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	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 // SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
 #include <regex.h>
 #include <stdlib.h>
 #include <linux/mman.h>
 #include <linux/time64.h>
 #include "debug.h"
 #include "dso.h"
 #include "sort.h"
 #include "hist.h"
 #include "cacheline.h"
 #include "comm.h"
 #include "map.h"
 #include "maps.h"
 #include "symbol.h"
 #include "map_symbol.h"
 #include "branch.h"
 #include "thread.h"
 #include "evsel.h"
 #include "evlist.h"
 #include "srcline.h"
 #include "strlist.h"
 #include "strbuf.h"
 #include <traceevent/event-parse.h>
 #include "mem-events.h"
 #include "annotate.h"
 #include "event.h"
 #include "time-utils.h"
 #include "cgroup.h"
 #include "machine.h"
 #include <linux/kernel.h>
 #include <linux/string.h>
 
 regex_t     parent_regex;
 const char  default_parent_pattern[] = "^sys_|^do_page_fault";
 const char  *parent_pattern = default_parent_pattern;
 const char  *default_sort_order = "comm,dso,symbol";
 const char  default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
 const char  default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked,blocked,local_ins_lat,local_p_stage_cyc";
 const char  default_top_sort_order[] = "dso,symbol";
 const char  default_diff_sort_order[] = "dso,symbol";
 const char  default_tracepoint_sort_order[] = "trace";
 const char  *sort_order;
 const char  *field_order;
 regex_t     ignore_callees_regex;
 int     have_ignore_callees = 0;
 enum sort_mode  sort__mode = SORT_MODE__NORMAL;
 static const char *const dynamic_headers[] = {"local_ins_lat", "ins_lat", "local_p_stage_cyc", "p_stage_cyc"};
 static const char *const arch_specific_sort_keys[] = {"local_p_stage_cyc", "p_stage_cyc"};
 
 /*
  * Replaces all occurrences of a char used with the:
  *
  * -t, --field-separator
  *
  * option, that uses a special separator character and don't pad with spaces,
  * replacing all occurrences of this separator in symbol names (and other
  * output) with a '.' character, that thus it's the only non valid separator.
 */
 static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
 {
     int n;
     va_list ap;
 
     va_start(ap, fmt);
     n = vsnprintf(bf, size, fmt, ap);
     if (symbol_conf.field_sep && n > 0) {
         char *sep = bf;
 
         while (1) {
             sep = strchr(sep, *symbol_conf.field_sep);
             if (sep == NULL)
                 break;
             *sep = '.';
         }
     }
     va_end(ap);
 
     if (n >= (int)size)
         return size - 1;
     return n;
 }
 
 static int64_t cmp_null(const void *l, const void *r)
 {
     if (!l && !r)
         return 0;
     else if (!l)
         return -1;
     else
         return 1;
 }
 
 /* --sort pid */
 
 static int64_t
 sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return right->thread->tid - left->thread->tid;
 }
 
 static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
                        size_t size, unsigned int width)
 {
     const char *comm = thread__comm_str(he->thread);
 
     width = max(7U, width) - 8;
     return repsep_snprintf(bf, size, "%7d:%-*.*s", he->thread->tid,
                    width, width, comm ?: "");
 }
 
 static int hist_entry__thread_filter(struct hist_entry *he, int type, const void *arg)
 {
     const struct thread *th = arg;
 
     if (type != HIST_FILTER__THREAD)
         return -1;
 
     return th && he->thread != th;
 }
 
 struct sort_entry sort_thread = {
     .se_header  = "    Pid:Command",
     .se_cmp     = sort__thread_cmp,
     .se_snprintf    = hist_entry__thread_snprintf,
     .se_filter  = hist_entry__thread_filter,
     .se_width_idx   = HISTC_THREAD,
 };
 
 /* --sort comm */
 
 /*
  * We can't use pointer comparison in functions below,
  * because it gives different results based on pointer
  * values, which could break some sorting assumptions.
  */
 static int64_t
 sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return strcmp(comm__str(right->comm), comm__str(left->comm));
 }
 
 static int64_t
 sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
 {
     return strcmp(comm__str(right->comm), comm__str(left->comm));
 }
 
 static int64_t
 sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
 {
     return strcmp(comm__str(right->comm), comm__str(left->comm));
 }
 
 static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
                      size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
 }
 
 struct sort_entry sort_comm = {
     .se_header  = "Command",
     .se_cmp     = sort__comm_cmp,
     .se_collapse    = sort__comm_collapse,
     .se_sort    = sort__comm_sort,
     .se_snprintf    = hist_entry__comm_snprintf,
     .se_filter  = hist_entry__thread_filter,
     .se_width_idx   = HISTC_COMM,
 };
 
 /* --sort dso */
 
 static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
 {
     struct dso *dso_l = map_l ? map_l->dso : NULL;
     struct dso *dso_r = map_r ? map_r->dso : NULL;
     const char *dso_name_l, *dso_name_r;
 
     if (!dso_l || !dso_r)
         return cmp_null(dso_r, dso_l);
 
     if (verbose > 0) {
         dso_name_l = dso_l->long_name;
         dso_name_r = dso_r->long_name;
     } else {
         dso_name_l = dso_l->short_name;
         dso_name_r = dso_r->short_name;
     }
 
     return strcmp(dso_name_l, dso_name_r);
 }
 
 static int64_t
 sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return _sort__dso_cmp(right->ms.map, left->ms.map);
 }
 
 static int _hist_entry__dso_snprintf(struct map *map, char *bf,
                      size_t size, unsigned int width)
 {
     if (map && map->dso) {
         const char *dso_name = verbose > 0 ? map->dso->long_name :
             map->dso->short_name;
         return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
     }
 
     return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
 }
 
 static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
 }
 
 static int hist_entry__dso_filter(struct hist_entry *he, int type, const void *arg)
 {
     const struct dso *dso = arg;
 
     if (type != HIST_FILTER__DSO)
         return -1;
 
     return dso && (!he->ms.map || he->ms.map->dso != dso);
 }
 
 struct sort_entry sort_dso = {
     .se_header  = "Shared Object",
     .se_cmp     = sort__dso_cmp,
     .se_snprintf    = hist_entry__dso_snprintf,
     .se_filter  = hist_entry__dso_filter,
     .se_width_idx   = HISTC_DSO,
 };
 
 /* --sort symbol */
 
 static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
 {
     return (int64_t)(right_ip - left_ip);
 }
 
 int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
 {
     if (!sym_l || !sym_r)
         return cmp_null(sym_l, sym_r);
 
     if (sym_l == sym_r)
         return 0;
 
     if (sym_l->inlined || sym_r->inlined) {
         int ret = strcmp(sym_l->name, sym_r->name);
 
         if (ret)
             return ret;
         if ((sym_l->start <= sym_r->end) && (sym_l->end >= sym_r->start))
             return 0;
     }
 
     if (sym_l->start != sym_r->start)
         return (int64_t)(sym_r->start - sym_l->start);
 
     return (int64_t)(sym_r->end - sym_l->end);
 }
 
 static int64_t
 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     int64_t ret;
 
     if (!left->ms.sym && !right->ms.sym)
         return _sort__addr_cmp(left->ip, right->ip);
 
     /*
      * comparing symbol address alone is not enough since it's a
      * relative address within a dso.
      */
     if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) {
         ret = sort__dso_cmp(left, right);
         if (ret != 0)
             return ret;
     }
 
     return _sort__sym_cmp(left->ms.sym, right->ms.sym);
 }
 
 static int64_t
 sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->ms.sym || !right->ms.sym)
         return cmp_null(left->ms.sym, right->ms.sym);
 
     return strcmp(right->ms.sym->name, left->ms.sym->name);
 }
 
 static int _hist_entry__sym_snprintf(struct map_symbol *ms,
                      u64 ip, char level, char *bf, size_t size,
                      unsigned int width)
 {
     struct symbol *sym = ms->sym;
     struct map *map = ms->map;
     size_t ret = 0;
 
     if (verbose > 0) {
         char o = map ? dso__symtab_origin(map->dso) : '!';
         u64 rip = ip;
 
         if (map && map->dso && map->dso->kernel
             && map->dso->adjust_symbols)
             rip = map->unmap_ip(map, ip);
 
         ret += repsep_snprintf(bf, size, "%-#*llx %c ",
                        BITS_PER_LONG / 4 + 2, rip, o);
     }
 
     ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
     if (sym && map) {
         if (sym->type == STT_OBJECT) {
             ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
             ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
                     ip - map->unmap_ip(map, sym->start));
         } else {
             ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
                            width - ret,
                            sym->name);
             if (sym->inlined)
                 ret += repsep_snprintf(bf + ret, size - ret,
                                " (inlined)");
         }
     } else {
         size_t len = BITS_PER_LONG / 4;
         ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
                        len, ip);
     }
 
     return ret;
 }
 
 int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, size_t size, unsigned int width)
 {
     return _hist_entry__sym_snprintf(&he->ms, he->ip,
                      he->level, bf, size, width);
 }
 
 static int hist_entry__sym_filter(struct hist_entry *he, int type, const void *arg)
 {
     const char *sym = arg;
 
     if (type != HIST_FILTER__SYMBOL)
         return -1;
 
     return sym && (!he->ms.sym || !strstr(he->ms.sym->name, sym));
 }
 
 struct sort_entry sort_sym = {
     .se_header  = "Symbol",
     .se_cmp     = sort__sym_cmp,
     .se_sort    = sort__sym_sort,
     .se_snprintf    = hist_entry__sym_snprintf,
     .se_filter  = hist_entry__sym_filter,
     .se_width_idx   = HISTC_SYMBOL,
 };
 
 /* --sort srcline */
 
 char *hist_entry__srcline(struct hist_entry *he)
 {
     return map__srcline(he->ms.map, he->ip, he->ms.sym);
 }
 
 static int64_t
 sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->srcline)
         left->srcline = hist_entry__srcline(left);
     if (!right->srcline)
         right->srcline = hist_entry__srcline(right);
 
     return strcmp(right->srcline, left->srcline);
 }
 
 static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     if (!he->srcline)
         he->srcline = hist_entry__srcline(he);
 
     return repsep_snprintf(bf, size, "%-.*s", width, he->srcline);
 }
 
 struct sort_entry sort_srcline = {
     .se_header  = "Source:Line",
     .se_cmp     = sort__srcline_cmp,
     .se_snprintf    = hist_entry__srcline_snprintf,
     .se_width_idx   = HISTC_SRCLINE,
 };
 
 /* --sort srcline_from */
 
 static char *addr_map_symbol__srcline(struct addr_map_symbol *ams)
 {
     return map__srcline(ams->ms.map, ams->al_addr, ams->ms.sym);
 }
 
 static int64_t
 sort__srcline_from_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->branch_info->srcline_from)
         left->branch_info->srcline_from = addr_map_symbol__srcline(&left->branch_info->from);
 
     if (!right->branch_info->srcline_from)
         right->branch_info->srcline_from = addr_map_symbol__srcline(&right->branch_info->from);
 
     return strcmp(right->branch_info->srcline_from, left->branch_info->srcline_from);
 }
 
 static int hist_entry__srcline_from_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_from);
 }
 
 struct sort_entry sort_srcline_from = {
     .se_header  = "From Source:Line",
     .se_cmp     = sort__srcline_from_cmp,
     .se_snprintf    = hist_entry__srcline_from_snprintf,
     .se_width_idx   = HISTC_SRCLINE_FROM,
 };
 
 /* --sort srcline_to */
 
 static int64_t
 sort__srcline_to_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->branch_info->srcline_to)
         left->branch_info->srcline_to = addr_map_symbol__srcline(&left->branch_info->to);
 
     if (!right->branch_info->srcline_to)
         right->branch_info->srcline_to = addr_map_symbol__srcline(&right->branch_info->to);
 
     return strcmp(right->branch_info->srcline_to, left->branch_info->srcline_to);
 }
 
 static int hist_entry__srcline_to_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_to);
 }
 
 struct sort_entry sort_srcline_to = {
     .se_header  = "To Source:Line",
     .se_cmp     = sort__srcline_to_cmp,
     .se_snprintf    = hist_entry__srcline_to_snprintf,
     .se_width_idx   = HISTC_SRCLINE_TO,
 };
 
 static int hist_entry__sym_ipc_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
 
     struct symbol *sym = he->ms.sym;
     struct annotation *notes;
     double ipc = 0.0, coverage = 0.0;
     char tmp[64];
 
     if (!sym)
         return repsep_snprintf(bf, size, "%-*s", width, "-");
 
     notes = symbol__annotation(sym);
 
     if (notes->hit_cycles)
         ipc = notes->hit_insn / ((double)notes->hit_cycles);
 
     if (notes->total_insn) {
         coverage = notes->cover_insn * 100.0 /
             ((double)notes->total_insn);
     }
 
     snprintf(tmp, sizeof(tmp), "%-5.2f [%5.1f%%]", ipc, coverage);
     return repsep_snprintf(bf, size, "%-*s", width, tmp);
 }
 
 struct sort_entry sort_sym_ipc = {
     .se_header  = "IPC   [IPC Coverage]",
     .se_cmp     = sort__sym_cmp,
     .se_snprintf    = hist_entry__sym_ipc_snprintf,
     .se_width_idx   = HISTC_SYMBOL_IPC,
 };
 
 static int hist_entry__sym_ipc_null_snprintf(struct hist_entry *he
                          __maybe_unused,
                          char *bf, size_t size,
                          unsigned int width)
 {
     char tmp[64];
 
     snprintf(tmp, sizeof(tmp), "%-5s %2s", "-", "-");
     return repsep_snprintf(bf, size, "%-*s", width, tmp);
 }
 
 struct sort_entry sort_sym_ipc_null = {
     .se_header  = "IPC   [IPC Coverage]",
     .se_cmp     = sort__sym_cmp,
     .se_snprintf    = hist_entry__sym_ipc_null_snprintf,
     .se_width_idx   = HISTC_SYMBOL_IPC,
 };
 
 /* --sort srcfile */
 
 static char no_srcfile[1];
 
 static char *hist_entry__get_srcfile(struct hist_entry *e)
 {
     char *sf, *p;
     struct map *map = e->ms.map;
 
     if (!map)
         return no_srcfile;
 
     sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
              e->ms.sym, false, true, true, e->ip);
     if (!strcmp(sf, SRCLINE_UNKNOWN))
         return no_srcfile;
     p = strchr(sf, ':');
     if (p && *sf) {
         *p = 0;
         return sf;
     }
     free(sf);
     return no_srcfile;
 }
 
 static int64_t
 sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->srcfile)
         left->srcfile = hist_entry__get_srcfile(left);
     if (!right->srcfile)
         right->srcfile = hist_entry__get_srcfile(right);
 
     return strcmp(right->srcfile, left->srcfile);
 }
 
 static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     if (!he->srcfile)
         he->srcfile = hist_entry__get_srcfile(he);
 
     return repsep_snprintf(bf, size, "%-.*s", width, he->srcfile);
 }
 
 struct sort_entry sort_srcfile = {
     .se_header  = "Source File",
     .se_cmp     = sort__srcfile_cmp,
     .se_snprintf    = hist_entry__srcfile_snprintf,
     .se_width_idx   = HISTC_SRCFILE,
 };
 
 /* --sort parent */
 
 static int64_t
 sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     struct symbol *sym_l = left->parent;
     struct symbol *sym_r = right->parent;
 
     if (!sym_l || !sym_r)
         return cmp_null(sym_l, sym_r);
 
     return strcmp(sym_r->name, sym_l->name);
 }
 
 static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
                        size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*.*s", width, width,
                   he->parent ? he->parent->name : "[other]");
 }
 
 struct sort_entry sort_parent = {
     .se_header  = "Parent symbol",
     .se_cmp     = sort__parent_cmp,
     .se_snprintf    = hist_entry__parent_snprintf,
     .se_width_idx   = HISTC_PARENT,
 };
 
 /* --sort cpu */
 
 static int64_t
 sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return right->cpu - left->cpu;
 }
 
 static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
 }
 
 struct sort_entry sort_cpu = {
     .se_header      = "CPU",
     .se_cmp         = sort__cpu_cmp,
     .se_snprintf    = hist_entry__cpu_snprintf,
     .se_width_idx   = HISTC_CPU,
 };
 
 /* --sort cgroup_id */
 
 static int64_t _sort__cgroup_dev_cmp(u64 left_dev, u64 right_dev)
 {
     return (int64_t)(right_dev - left_dev);
 }
 
 static int64_t _sort__cgroup_inode_cmp(u64 left_ino, u64 right_ino)
 {
     return (int64_t)(right_ino - left_ino);
 }
 
 static int64_t
 sort__cgroup_id_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     int64_t ret;
 
     ret = _sort__cgroup_dev_cmp(right->cgroup_id.dev, left->cgroup_id.dev);
     if (ret != 0)
         return ret;
 
     return _sort__cgroup_inode_cmp(right->cgroup_id.ino,
                        left->cgroup_id.ino);
 }
 
 static int hist_entry__cgroup_id_snprintf(struct hist_entry *he,
                       char *bf, size_t size,
                       unsigned int width __maybe_unused)
 {
     return repsep_snprintf(bf, size, "%lu/0x%lx", he->cgroup_id.dev,
                    he->cgroup_id.ino);
 }
 
 struct sort_entry sort_cgroup_id = {
     .se_header      = "cgroup id (dev/inode)",
     .se_cmp         = sort__cgroup_id_cmp,
     .se_snprintf    = hist_entry__cgroup_id_snprintf,
     .se_width_idx   = HISTC_CGROUP_ID,
 };
 
 /* --sort cgroup */
 
 static int64_t
 sort__cgroup_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return right->cgroup - left->cgroup;
 }
 
 static int hist_entry__cgroup_snprintf(struct hist_entry *he,
                        char *bf, size_t size,
                        unsigned int width __maybe_unused)
 {
     const char *cgrp_name = "N/A";
 
     if (he->cgroup) {
         struct cgroup *cgrp = cgroup__find(he->ms.maps->machine->env,
                            he->cgroup);
         if (cgrp != NULL)
             cgrp_name = cgrp->name;
         else
             cgrp_name = "unknown";
     }
 
     return repsep_snprintf(bf, size, "%s", cgrp_name);
 }
 
 struct sort_entry sort_cgroup = {
     .se_header      = "Cgroup",
     .se_cmp         = sort__cgroup_cmp,
     .se_snprintf    = hist_entry__cgroup_snprintf,
     .se_width_idx   = HISTC_CGROUP,
 };
 
 /* --sort socket */
 
 static int64_t
 sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return right->socket - left->socket;
 }
 
 static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
 }
 
 static int hist_entry__socket_filter(struct hist_entry *he, int type, const void *arg)
 {
     int sk = *(const int *)arg;
 
     if (type != HIST_FILTER__SOCKET)
         return -1;
 
     return sk >= 0 && he->socket != sk;
 }
 
 struct sort_entry sort_socket = {
     .se_header      = "Socket",
     .se_cmp         = sort__socket_cmp,
     .se_snprintf    = hist_entry__socket_snprintf,
     .se_filter      = hist_entry__socket_filter,
     .se_width_idx   = HISTC_SOCKET,
 };
 
 /* --sort time */
 
 static int64_t
 sort__time_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return right->time - left->time;
 }
 
 static int hist_entry__time_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     char he_time[32];
 
     if (symbol_conf.nanosecs)
         timestamp__scnprintf_nsec(he->time, he_time,
                       sizeof(he_time));
     else
         timestamp__scnprintf_usec(he->time, he_time,
                       sizeof(he_time));
 
     return repsep_snprintf(bf, size, "%-.*s", width, he_time);
 }
 
 struct sort_entry sort_time = {
     .se_header      = "Time",
     .se_cmp         = sort__time_cmp,
     .se_snprintf    = hist_entry__time_snprintf,
     .se_width_idx   = HISTC_TIME,
 };
 
 /* --sort trace */
 
 static char *get_trace_output(struct hist_entry *he)
 {
     struct trace_seq seq;
     struct evsel *evsel;
     struct tep_record rec = {
         .data = he->raw_data,
         .size = he->raw_size,
     };
 
     evsel = hists_to_evsel(he->hists);
 
     trace_seq_init(&seq);
     if (symbol_conf.raw_trace) {
         tep_print_fields(&seq, he->raw_data, he->raw_size,
                  evsel->tp_format);
     } else {
         tep_print_event(evsel->tp_format->tep,
                 &seq, &rec, "%s", TEP_PRINT_INFO);
     }
     /*
      * Trim the buffer, it starts at 4KB and we're not going to
      * add anything more to this buffer.
      */
     return realloc(seq.buffer, seq.len + 1);
 }
 
 static int64_t
 sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     struct evsel *evsel;
 
     evsel = hists_to_evsel(left->hists);
     if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
         return 0;
 
     if (left->trace_output == NULL)
         left->trace_output = get_trace_output(left);
     if (right->trace_output == NULL)
         right->trace_output = get_trace_output(right);
 
     return strcmp(right->trace_output, left->trace_output);
 }
 
 static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     struct evsel *evsel;
 
     evsel = hists_to_evsel(he->hists);
     if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
         return scnprintf(bf, size, "%-.*s", width, "N/A");
 
     if (he->trace_output == NULL)
         he->trace_output = get_trace_output(he);
     return repsep_snprintf(bf, size, "%-.*s", width, he->trace_output);
 }
 
 struct sort_entry sort_trace = {
     .se_header      = "Trace output",
     .se_cmp         = sort__trace_cmp,
     .se_snprintf    = hist_entry__trace_snprintf,
     .se_width_idx   = HISTC_TRACE,
 };
 
 /* sort keys for branch stacks */
 
 static int64_t
 sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     return _sort__dso_cmp(left->branch_info->from.ms.map,
                   right->branch_info->from.ms.map);
 }
 
 static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     if (he->branch_info)
         return _hist_entry__dso_snprintf(he->branch_info->from.ms.map,
                          bf, size, width);
     else
         return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 }
 
 static int hist_entry__dso_from_filter(struct hist_entry *he, int type,
                        const void *arg)
 {
     const struct dso *dso = arg;
 
     if (type != HIST_FILTER__DSO)
         return -1;
 
     return dso && (!he->branch_info || !he->branch_info->from.ms.map ||
                he->branch_info->from.ms.map->dso != dso);
 }
 
 static int64_t
 sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     return _sort__dso_cmp(left->branch_info->to.ms.map,
                   right->branch_info->to.ms.map);
 }
 
 static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
                        size_t size, unsigned int width)
 {
     if (he->branch_info)
         return _hist_entry__dso_snprintf(he->branch_info->to.ms.map,
                          bf, size, width);
     else
         return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 }
 
 static int hist_entry__dso_to_filter(struct hist_entry *he, int type,
                      const void *arg)
 {
     const struct dso *dso = arg;
 
     if (type != HIST_FILTER__DSO)
         return -1;
 
     return dso && (!he->branch_info || !he->branch_info->to.ms.map ||
                he->branch_info->to.ms.map->dso != dso);
 }
 
 static int64_t
 sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     struct addr_map_symbol *from_l = &left->branch_info->from;
     struct addr_map_symbol *from_r = &right->branch_info->from;
 
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     from_l = &left->branch_info->from;
     from_r = &right->branch_info->from;
 
     if (!from_l->ms.sym && !from_r->ms.sym)
         return _sort__addr_cmp(from_l->addr, from_r->addr);
 
     return _sort__sym_cmp(from_l->ms.sym, from_r->ms.sym);
 }
 
 static int64_t
 sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     struct addr_map_symbol *to_l, *to_r;
 
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     to_l = &left->branch_info->to;
     to_r = &right->branch_info->to;
 
     if (!to_l->ms.sym && !to_r->ms.sym)
         return _sort__addr_cmp(to_l->addr, to_r->addr);
 
     return _sort__sym_cmp(to_l->ms.sym, to_r->ms.sym);
 }
 
 static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
                      size_t size, unsigned int width)
 {
     if (he->branch_info) {
         struct addr_map_symbol *from = &he->branch_info->from;
 
         return _hist_entry__sym_snprintf(&from->ms, from->al_addr,
                          from->al_level, bf, size, width);
     }
 
     return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 }
 
 static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
                        size_t size, unsigned int width)
 {
     if (he->branch_info) {
         struct addr_map_symbol *to = &he->branch_info->to;
 
         return _hist_entry__sym_snprintf(&to->ms, to->al_addr,
                          to->al_level, bf, size, width);
     }
 
     return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 }
 
 static int hist_entry__sym_from_filter(struct hist_entry *he, int type,
                        const void *arg)
 {
     const char *sym = arg;
 
     if (type != HIST_FILTER__SYMBOL)
         return -1;
 
     return sym && !(he->branch_info && he->branch_info->from.ms.sym &&
             strstr(he->branch_info->from.ms.sym->name, sym));
 }
 
 static int hist_entry__sym_to_filter(struct hist_entry *he, int type,
                        const void *arg)
 {
     const char *sym = arg;
 
     if (type != HIST_FILTER__SYMBOL)
         return -1;
 
     return sym && !(he->branch_info && he->branch_info->to.ms.sym &&
                 strstr(he->branch_info->to.ms.sym->name, sym));
 }
 
 struct sort_entry sort_dso_from = {
     .se_header  = "Source Shared Object",
     .se_cmp     = sort__dso_from_cmp,
     .se_snprintf    = hist_entry__dso_from_snprintf,
     .se_filter  = hist_entry__dso_from_filter,
     .se_width_idx   = HISTC_DSO_FROM,
 };
 
 struct sort_entry sort_dso_to = {
     .se_header  = "Target Shared Object",
     .se_cmp     = sort__dso_to_cmp,
     .se_snprintf    = hist_entry__dso_to_snprintf,
     .se_filter  = hist_entry__dso_to_filter,
     .se_width_idx   = HISTC_DSO_TO,
 };
 
 struct sort_entry sort_sym_from = {
     .se_header  = "Source Symbol",
     .se_cmp     = sort__sym_from_cmp,
     .se_snprintf    = hist_entry__sym_from_snprintf,
     .se_filter  = hist_entry__sym_from_filter,
     .se_width_idx   = HISTC_SYMBOL_FROM,
 };
 
 struct sort_entry sort_sym_to = {
     .se_header  = "Target Symbol",
     .se_cmp     = sort__sym_to_cmp,
     .se_snprintf    = hist_entry__sym_to_snprintf,
     .se_filter  = hist_entry__sym_to_filter,
     .se_width_idx   = HISTC_SYMBOL_TO,
 };
 
 static int _hist_entry__addr_snprintf(struct map_symbol *ms,
                      u64 ip, char level, char *bf, size_t size,
                      unsigned int width)
 {
     struct symbol *sym = ms->sym;
     struct map *map = ms->map;
     size_t ret = 0, offs;
 
     ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
     if (sym && map) {
         if (sym->type == STT_OBJECT) {
             ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
             ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
                     ip - map->unmap_ip(map, sym->start));
         } else {
             ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
                            width - ret,
                            sym->name);
             offs = ip - sym->start;
             if (offs)
                 ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx", offs);
         }
     } else {
         size_t len = BITS_PER_LONG / 4;
         ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
                        len, ip);
     }
 
     return ret;
 }
 
 static int hist_entry__addr_from_snprintf(struct hist_entry *he, char *bf,
                      size_t size, unsigned int width)
 {
     if (he->branch_info) {
         struct addr_map_symbol *from = &he->branch_info->from;
 
         return _hist_entry__addr_snprintf(&from->ms, from->al_addr,
                          he->level, bf, size, width);
     }
 
     return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 }
 
 static int hist_entry__addr_to_snprintf(struct hist_entry *he, char *bf,
                        size_t size, unsigned int width)
 {
     if (he->branch_info) {
         struct addr_map_symbol *to = &he->branch_info->to;
 
         return _hist_entry__addr_snprintf(&to->ms, to->al_addr,
                          he->level, bf, size, width);
     }
 
     return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 }
 
 static int64_t
 sort__addr_from_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     struct addr_map_symbol *from_l;
     struct addr_map_symbol *from_r;
     int64_t ret;
 
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     from_l = &left->branch_info->from;
     from_r = &right->branch_info->from;
 
     /*
      * comparing symbol address alone is not enough since it's a
      * relative address within a dso.
      */
     ret = _sort__dso_cmp(from_l->ms.map, from_r->ms.map);
     if (ret != 0)
         return ret;
 
     return _sort__addr_cmp(from_l->addr, from_r->addr);
 }
 
 static int64_t
 sort__addr_to_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     struct addr_map_symbol *to_l;
     struct addr_map_symbol *to_r;
     int64_t ret;
 
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     to_l = &left->branch_info->to;
     to_r = &right->branch_info->to;
 
     /*
      * comparing symbol address alone is not enough since it's a
      * relative address within a dso.
      */
     ret = _sort__dso_cmp(to_l->ms.map, to_r->ms.map);
     if (ret != 0)
         return ret;
 
     return _sort__addr_cmp(to_l->addr, to_r->addr);
 }
 
 struct sort_entry sort_addr_from = {
     .se_header  = "Source Address",
     .se_cmp     = sort__addr_from_cmp,
     .se_snprintf    = hist_entry__addr_from_snprintf,
     .se_filter  = hist_entry__sym_from_filter, /* shared with sym_from */
     .se_width_idx   = HISTC_ADDR_FROM,
 };
 
 struct sort_entry sort_addr_to = {
     .se_header  = "Target Address",
     .se_cmp     = sort__addr_to_cmp,
     .se_snprintf    = hist_entry__addr_to_snprintf,
     .se_filter  = hist_entry__sym_to_filter, /* shared with sym_to */
     .se_width_idx   = HISTC_ADDR_TO,
 };
 
 
 static int64_t
 sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     unsigned char mp, p;
 
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
     p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
     return mp || p;
 }
 
 static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width){
     static const char *out = "N/A";
 
     if (he->branch_info) {
         if (he->branch_info->flags.predicted)
             out = "N";
         else if (he->branch_info->flags.mispred)
             out = "Y";
     }
 
     return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
 }
 
 static int64_t
 sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     return left->branch_info->flags.cycles -
         right->branch_info->flags.cycles;
 }
 
 static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     if (!he->branch_info)
         return scnprintf(bf, size, "%-.*s", width, "N/A");
     if (he->branch_info->flags.cycles == 0)
         return repsep_snprintf(bf, size, "%-*s", width, "-");
     return repsep_snprintf(bf, size, "%-*hd", width,
                    he->branch_info->flags.cycles);
 }
 
 struct sort_entry sort_cycles = {
     .se_header  = "Basic Block Cycles",
     .se_cmp     = sort__cycles_cmp,
     .se_snprintf    = hist_entry__cycles_snprintf,
     .se_width_idx   = HISTC_CYCLES,
 };
 
 /* --sort daddr_sym */
 int64_t
 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     uint64_t l = 0, r = 0;
 
     if (left->mem_info)
         l = left->mem_info->daddr.addr;
     if (right->mem_info)
         r = right->mem_info->daddr.addr;
 
     return (int64_t)(r - l);
 }
 
 static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     uint64_t addr = 0;
     struct map_symbol *ms = NULL;
 
     if (he->mem_info) {
         addr = he->mem_info->daddr.addr;
         ms = &he->mem_info->daddr.ms;
     }
     return _hist_entry__sym_snprintf(ms, addr, he->level, bf, size, width);
 }
 
 int64_t
 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     uint64_t l = 0, r = 0;
 
     if (left->mem_info)
         l = left->mem_info->iaddr.addr;
     if (right->mem_info)
         r = right->mem_info->iaddr.addr;
 
     return (int64_t)(r - l);
 }
 
 static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     uint64_t addr = 0;
     struct map_symbol *ms = NULL;
 
     if (he->mem_info) {
         addr = he->mem_info->iaddr.addr;
         ms   = &he->mem_info->iaddr.ms;
     }
     return _hist_entry__sym_snprintf(ms, addr, he->level, bf, size, width);
 }
 
 static int64_t
 sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     struct map *map_l = NULL;
     struct map *map_r = NULL;
 
     if (left->mem_info)
         map_l = left->mem_info->daddr.ms.map;
     if (right->mem_info)
         map_r = right->mem_info->daddr.ms.map;
 
     return _sort__dso_cmp(map_l, map_r);
 }
 
 static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     struct map *map = NULL;
 
     if (he->mem_info)
         map = he->mem_info->daddr.ms.map;
 
     return _hist_entry__dso_snprintf(map, bf, size, width);
 }
 
 static int64_t
 sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     union perf_mem_data_src data_src_l;
     union perf_mem_data_src data_src_r;
 
     if (left->mem_info)
         data_src_l = left->mem_info->data_src;
     else
         data_src_l.mem_lock = PERF_MEM_LOCK_NA;
 
     if (right->mem_info)
         data_src_r = right->mem_info->data_src;
     else
         data_src_r.mem_lock = PERF_MEM_LOCK_NA;
 
     return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
 }
 
 static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     char out[10];
 
     perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
     return repsep_snprintf(bf, size, "%.*s", width, out);
 }
 
 static int64_t
 sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     union perf_mem_data_src data_src_l;
     union perf_mem_data_src data_src_r;
 
     if (left->mem_info)
         data_src_l = left->mem_info->data_src;
     else
         data_src_l.mem_dtlb = PERF_MEM_TLB_NA;
 
     if (right->mem_info)
         data_src_r = right->mem_info->data_src;
     else
         data_src_r.mem_dtlb = PERF_MEM_TLB_NA;
 
     return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
 }
 
 static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     char out[64];
 
     perf_mem__tlb_scnprintf(out, sizeof(out), he->mem_info);
     return repsep_snprintf(bf, size, "%-*s", width, out);
 }
 
 static int64_t
 sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     union perf_mem_data_src data_src_l;
     union perf_mem_data_src data_src_r;
 
     if (left->mem_info)
         data_src_l = left->mem_info->data_src;
     else
         data_src_l.mem_lvl = PERF_MEM_LVL_NA;
 
     if (right->mem_info)
         data_src_r = right->mem_info->data_src;
     else
         data_src_r.mem_lvl = PERF_MEM_LVL_NA;
 
     return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
 }
 
 static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     char out[64];
 
     perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
     return repsep_snprintf(bf, size, "%-*s", width, out);
 }
 
 static int64_t
 sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     union perf_mem_data_src data_src_l;
     union perf_mem_data_src data_src_r;
 
     if (left->mem_info)
         data_src_l = left->mem_info->data_src;
     else
         data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;
 
     if (right->mem_info)
         data_src_r = right->mem_info->data_src;
     else
         data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;
 
     return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
 }
 
 static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     char out[64];
 
     perf_mem__snp_scnprintf(out, sizeof(out), he->mem_info);
     return repsep_snprintf(bf, size, "%-*s", width, out);
 }
 
 int64_t
 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     u64 l, r;
     struct map *l_map, *r_map;
     int rc;
 
     if (!left->mem_info)  return -1;
     if (!right->mem_info) return 1;
 
     /* group event types together */
     if (left->cpumode > right->cpumode) return -1;
     if (left->cpumode < right->cpumode) return 1;
 
     l_map = left->mem_info->daddr.ms.map;
     r_map = right->mem_info->daddr.ms.map;
 
     /* if both are NULL, jump to sort on al_addr instead */
     if (!l_map && !r_map)
         goto addr;
 
     if (!l_map) return -1;
     if (!r_map) return 1;
 
     rc = dso__cmp_id(l_map->dso, r_map->dso);
     if (rc)
         return rc;
     /*
      * Addresses with no major/minor numbers are assumed to be
      * anonymous in userspace.  Sort those on pid then address.
      *
      * The kernel and non-zero major/minor mapped areas are
      * assumed to be unity mapped.  Sort those on address.
      */
 
     if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
         (!(l_map->flags & MAP_SHARED)) &&
         !l_map->dso->id.maj && !l_map->dso->id.min &&
         !l_map->dso->id.ino && !l_map->dso->id.ino_generation) {
         /* userspace anonymous */
 
         if (left->thread->pid_ > right->thread->pid_) return -1;
         if (left->thread->pid_ < right->thread->pid_) return 1;
     }
 
 addr:
     /* al_addr does all the right addr - start + offset calculations */
     l = cl_address(left->mem_info->daddr.al_addr);
     r = cl_address(right->mem_info->daddr.al_addr);
 
     if (l > r) return -1;
     if (l < r) return 1;
 
     return 0;
 }
 
 static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
                       size_t size, unsigned int width)
 {
 
     uint64_t addr = 0;
     struct map_symbol *ms = NULL;
     char level = he->level;
 
     if (he->mem_info) {
         struct map *map = he->mem_info->daddr.ms.map;
 
         addr = cl_address(he->mem_info->daddr.al_addr);
         ms = &he->mem_info->daddr.ms;
 
         /* print [s] for shared data mmaps */
         if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
              map && !(map->prot & PROT_EXEC) &&
             (map->flags & MAP_SHARED) &&
             (map->dso->id.maj || map->dso->id.min ||
              map->dso->id.ino || map->dso->id.ino_generation))
             level = 's';
         else if (!map)
             level = 'X';
     }
     return _hist_entry__sym_snprintf(ms, addr, level, bf, size, width);
 }
 
 struct sort_entry sort_mispredict = {
     .se_header  = "Branch Mispredicted",
     .se_cmp     = sort__mispredict_cmp,
     .se_snprintf    = hist_entry__mispredict_snprintf,
     .se_width_idx   = HISTC_MISPREDICT,
 };
 
 static int64_t
 sort__weight_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return left->weight - right->weight;
 }
 
 static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*llu", width, he->weight);
 }
 
 struct sort_entry sort_local_weight = {
     .se_header  = "Local Weight",
     .se_cmp     = sort__weight_cmp,
     .se_snprintf    = hist_entry__local_weight_snprintf,
     .se_width_idx   = HISTC_LOCAL_WEIGHT,
 };
 
 static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
                           size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*llu", width,
                    he->weight * he->stat.nr_events);
 }
 
 struct sort_entry sort_global_weight = {
     .se_header  = "Weight",
     .se_cmp     = sort__weight_cmp,
     .se_snprintf    = hist_entry__global_weight_snprintf,
     .se_width_idx   = HISTC_GLOBAL_WEIGHT,
 };
 
 static int64_t
 sort__ins_lat_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return left->ins_lat - right->ins_lat;
 }
 
 static int hist_entry__local_ins_lat_snprintf(struct hist_entry *he, char *bf,
                           size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*u", width, he->ins_lat);
 }
 
 struct sort_entry sort_local_ins_lat = {
     .se_header  = "Local INSTR Latency",
     .se_cmp     = sort__ins_lat_cmp,
     .se_snprintf    = hist_entry__local_ins_lat_snprintf,
     .se_width_idx   = HISTC_LOCAL_INS_LAT,
 };
 
 static int hist_entry__global_ins_lat_snprintf(struct hist_entry *he, char *bf,
                            size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*u", width,
                    he->ins_lat * he->stat.nr_events);
 }
 
 struct sort_entry sort_global_ins_lat = {
     .se_header  = "INSTR Latency",
     .se_cmp     = sort__ins_lat_cmp,
     .se_snprintf    = hist_entry__global_ins_lat_snprintf,
     .se_width_idx   = HISTC_GLOBAL_INS_LAT,
 };
 
 static int64_t
 sort__p_stage_cyc_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return left->p_stage_cyc - right->p_stage_cyc;
 }
 
 static int hist_entry__global_p_stage_cyc_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*u", width,
             he->p_stage_cyc * he->stat.nr_events);
 }
 
 
 static int hist_entry__p_stage_cyc_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     return repsep_snprintf(bf, size, "%-*u", width, he->p_stage_cyc);
 }
 
 struct sort_entry sort_local_p_stage_cyc = {
     .se_header      = "Local Pipeline Stage Cycle",
     .se_cmp         = sort__p_stage_cyc_cmp,
     .se_snprintf    = hist_entry__p_stage_cyc_snprintf,
     .se_width_idx   = HISTC_LOCAL_P_STAGE_CYC,
 };
 
 struct sort_entry sort_global_p_stage_cyc = {
     .se_header      = "Pipeline Stage Cycle",
     .se_cmp         = sort__p_stage_cyc_cmp,
     .se_snprintf    = hist_entry__global_p_stage_cyc_snprintf,
     .se_width_idx   = HISTC_GLOBAL_P_STAGE_CYC,
 };
 
 struct sort_entry sort_mem_daddr_sym = {
     .se_header  = "Data Symbol",
     .se_cmp     = sort__daddr_cmp,
     .se_snprintf    = hist_entry__daddr_snprintf,
     .se_width_idx   = HISTC_MEM_DADDR_SYMBOL,
 };
 
 struct sort_entry sort_mem_iaddr_sym = {
     .se_header  = "Code Symbol",
     .se_cmp     = sort__iaddr_cmp,
     .se_snprintf    = hist_entry__iaddr_snprintf,
     .se_width_idx   = HISTC_MEM_IADDR_SYMBOL,
 };
 
 struct sort_entry sort_mem_daddr_dso = {
     .se_header  = "Data Object",
     .se_cmp     = sort__dso_daddr_cmp,
     .se_snprintf    = hist_entry__dso_daddr_snprintf,
     .se_width_idx   = HISTC_MEM_DADDR_DSO,
 };
 
 struct sort_entry sort_mem_locked = {
     .se_header  = "Locked",
     .se_cmp     = sort__locked_cmp,
     .se_snprintf    = hist_entry__locked_snprintf,
     .se_width_idx   = HISTC_MEM_LOCKED,
 };
 
 struct sort_entry sort_mem_tlb = {
     .se_header  = "TLB access",
     .se_cmp     = sort__tlb_cmp,
     .se_snprintf    = hist_entry__tlb_snprintf,
     .se_width_idx   = HISTC_MEM_TLB,
 };
 
 struct sort_entry sort_mem_lvl = {
     .se_header  = "Memory access",
     .se_cmp     = sort__lvl_cmp,
     .se_snprintf    = hist_entry__lvl_snprintf,
     .se_width_idx   = HISTC_MEM_LVL,
 };
 
 struct sort_entry sort_mem_snoop = {
     .se_header  = "Snoop",
     .se_cmp     = sort__snoop_cmp,
     .se_snprintf    = hist_entry__snoop_snprintf,
     .se_width_idx   = HISTC_MEM_SNOOP,
 };
 
 struct sort_entry sort_mem_dcacheline = {
     .se_header  = "Data Cacheline",
     .se_cmp     = sort__dcacheline_cmp,
     .se_snprintf    = hist_entry__dcacheline_snprintf,
     .se_width_idx   = HISTC_MEM_DCACHELINE,
 };
 
 static int64_t
 sort__blocked_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     union perf_mem_data_src data_src_l;
     union perf_mem_data_src data_src_r;
 
     if (left->mem_info)
         data_src_l = left->mem_info->data_src;
     else
         data_src_l.mem_blk = PERF_MEM_BLK_NA;
 
     if (right->mem_info)
         data_src_r = right->mem_info->data_src;
     else
         data_src_r.mem_blk = PERF_MEM_BLK_NA;
 
     return (int64_t)(data_src_r.mem_blk - data_src_l.mem_blk);
 }
 
 static int hist_entry__blocked_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     char out[16];
 
     perf_mem__blk_scnprintf(out, sizeof(out), he->mem_info);
     return repsep_snprintf(bf, size, "%.*s", width, out);
 }
 
 struct sort_entry sort_mem_blocked = {
     .se_header  = "Blocked",
     .se_cmp     = sort__blocked_cmp,
     .se_snprintf    = hist_entry__blocked_snprintf,
     .se_width_idx   = HISTC_MEM_BLOCKED,
 };
 
 static int64_t
 sort__phys_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     uint64_t l = 0, r = 0;
 
     if (left->mem_info)
         l = left->mem_info->daddr.phys_addr;
     if (right->mem_info)
         r = right->mem_info->daddr.phys_addr;
 
     return (int64_t)(r - l);
 }
 
 static int hist_entry__phys_daddr_snprintf(struct hist_entry *he, char *bf,
                        size_t size, unsigned int width)
 {
     uint64_t addr = 0;
     size_t ret = 0;
     size_t len = BITS_PER_LONG / 4;
 
     addr = he->mem_info->daddr.phys_addr;
 
     ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", he->level);
 
     ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx", len, addr);
 
     ret += repsep_snprintf(bf + ret, size - ret, "%-*s", width - ret, "");
 
     if (ret > width)
         bf[width] = '\0';
 
     return width;
 }
 
 struct sort_entry sort_mem_phys_daddr = {
     .se_header  = "Data Physical Address",
     .se_cmp     = sort__phys_daddr_cmp,
     .se_snprintf    = hist_entry__phys_daddr_snprintf,
     .se_width_idx   = HISTC_MEM_PHYS_DADDR,
 };
 
 static int64_t
 sort__data_page_size_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     uint64_t l = 0, r = 0;
 
     if (left->mem_info)
         l = left->mem_info->daddr.data_page_size;
     if (right->mem_info)
         r = right->mem_info->daddr.data_page_size;
 
     return (int64_t)(r - l);
 }
 
 static int hist_entry__data_page_size_snprintf(struct hist_entry *he, char *bf,
                       size_t size, unsigned int width)
 {
     char str[PAGE_SIZE_NAME_LEN];
 
     return repsep_snprintf(bf, size, "%-*s", width,
                    get_page_size_name(he->mem_info->daddr.data_page_size, str));
 }
 
 struct sort_entry sort_mem_data_page_size = {
     .se_header  = "Data Page Size",
     .se_cmp     = sort__data_page_size_cmp,
     .se_snprintf    = hist_entry__data_page_size_snprintf,
     .se_width_idx   = HISTC_MEM_DATA_PAGE_SIZE,
 };
 
 static int64_t
 sort__code_page_size_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     uint64_t l = left->code_page_size;
     uint64_t r = right->code_page_size;
 
     return (int64_t)(r - l);
 }
 
 static int hist_entry__code_page_size_snprintf(struct hist_entry *he, char *bf,
                       size_t size, unsigned int width)
 {
     char str[PAGE_SIZE_NAME_LEN];
 
     return repsep_snprintf(bf, size, "%-*s", width,
                    get_page_size_name(he->code_page_size, str));
 }
 
 struct sort_entry sort_code_page_size = {
     .se_header  = "Code Page Size",
     .se_cmp     = sort__code_page_size_cmp,
     .se_snprintf    = hist_entry__code_page_size_snprintf,
     .se_width_idx   = HISTC_CODE_PAGE_SIZE,
 };
 
 static int64_t
 sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     return left->branch_info->flags.abort !=
         right->branch_info->flags.abort;
 }
 
 static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     static const char *out = "N/A";
 
     if (he->branch_info) {
         if (he->branch_info->flags.abort)
             out = "A";
         else
             out = ".";
     }
 
     return repsep_snprintf(bf, size, "%-*s", width, out);
 }
 
 struct sort_entry sort_abort = {
     .se_header  = "Transaction abort",
     .se_cmp     = sort__abort_cmp,
     .se_snprintf    = hist_entry__abort_snprintf,
     .se_width_idx   = HISTC_ABORT,
 };
 
 static int64_t
 sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     if (!left->branch_info || !right->branch_info)
         return cmp_null(left->branch_info, right->branch_info);
 
     return left->branch_info->flags.in_tx !=
         right->branch_info->flags.in_tx;
 }
 
 static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
                     size_t size, unsigned int width)
 {
     static const char *out = "N/A";
 
     if (he->branch_info) {
         if (he->branch_info->flags.in_tx)
             out = "T";
         else
             out = ".";
     }
 
     return repsep_snprintf(bf, size, "%-*s", width, out);
 }
 
 struct sort_entry sort_in_tx = {
     .se_header  = "Branch in transaction",
     .se_cmp     = sort__in_tx_cmp,
     .se_snprintf    = hist_entry__in_tx_snprintf,
     .se_width_idx   = HISTC_IN_TX,
 };
 
 static int64_t
 sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return left->transaction - right->transaction;
 }
 
 static inline char *add_str(char *p, const char *str)
 {
     strcpy(p, str);
     return p + strlen(str);
 }
 
 static struct txbit {
     unsigned flag;
     const char *name;
     int skip_for_len;
 } txbits[] = {
     { PERF_TXN_ELISION,        "EL ",        0 },
     { PERF_TXN_TRANSACTION,    "TX ",        1 },
     { PERF_TXN_SYNC,           "SYNC ",      1 },
     { PERF_TXN_ASYNC,          "ASYNC ",     0 },
     { PERF_TXN_RETRY,          "RETRY ",     0 },
     { PERF_TXN_CONFLICT,       "CON ",       0 },
     { PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
     { PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
     { 0, NULL, 0 }
 };
 
 int hist_entry__transaction_len(void)
 {
     int i;
     int len = 0;
 
     for (i = 0; txbits[i].name; i++) {
         if (!txbits[i].skip_for_len)
             len += strlen(txbits[i].name);
     }
     len += 4; /* :XX<space> */
     return len;
 }
 
 static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
                         size_t size, unsigned int width)
 {
     u64 t = he->transaction;
     char buf[128];
     char *p = buf;
     int i;
 
     buf[0] = 0;
     for (i = 0; txbits[i].name; i++)
         if (txbits[i].flag & t)
             p = add_str(p, txbits[i].name);
     if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
         p = add_str(p, "NEITHER ");
     if (t & PERF_TXN_ABORT_MASK) {
         sprintf(p, ":%" PRIx64,
             (t & PERF_TXN_ABORT_MASK) >>
             PERF_TXN_ABORT_SHIFT);
         p += strlen(p);
     }
 
     return repsep_snprintf(bf, size, "%-*s", width, buf);
 }
 
 struct sort_entry sort_transaction = {
     .se_header  = "Transaction                ",
     .se_cmp     = sort__transaction_cmp,
     .se_snprintf    = hist_entry__transaction_snprintf,
     .se_width_idx   = HISTC_TRANSACTION,
 };
 
 /* --sort symbol_size */
 
 static int64_t _sort__sym_size_cmp(struct symbol *sym_l, struct symbol *sym_r)
 {
     int64_t size_l = sym_l != NULL ? symbol__size(sym_l) : 0;
     int64_t size_r = sym_r != NULL ? symbol__size(sym_r) : 0;
 
     return size_l < size_r ? -1 :
         size_l == size_r ? 0 : 1;
 }
 
 static int64_t
 sort__sym_size_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return _sort__sym_size_cmp(right->ms.sym, left->ms.sym);
 }
 
 static int _hist_entry__sym_size_snprintf(struct symbol *sym, char *bf,
                       size_t bf_size, unsigned int width)
 {
     if (sym)
         return repsep_snprintf(bf, bf_size, "%*d", width, symbol__size(sym));
 
     return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
 }
 
 static int hist_entry__sym_size_snprintf(struct hist_entry *he, char *bf,
                      size_t size, unsigned int width)
 {
     return _hist_entry__sym_size_snprintf(he->ms.sym, bf, size, width);
 }
 
 struct sort_entry sort_sym_size = {
     .se_header  = "Symbol size",
     .se_cmp     = sort__sym_size_cmp,
     .se_snprintf    = hist_entry__sym_size_snprintf,
     .se_width_idx   = HISTC_SYM_SIZE,
 };
 
 /* --sort dso_size */
 
 static int64_t _sort__dso_size_cmp(struct map *map_l, struct map *map_r)
 {
     int64_t size_l = map_l != NULL ? map__size(map_l) : 0;
     int64_t size_r = map_r != NULL ? map__size(map_r) : 0;
 
     return size_l < size_r ? -1 :
         size_l == size_r ? 0 : 1;
 }
 
 static int64_t
 sort__dso_size_cmp(struct hist_entry *left, struct hist_entry *right)
 {
     return _sort__dso_size_cmp(right->ms.map, left->ms.map);
 }
 
 static int _hist_entry__dso_size_snprintf(struct map *map, char *bf,
                       size_t bf_size, unsigned int width)
 {
     if (map && map->dso)
         return repsep_snprintf(bf, bf_size, "%*d", width,
                        map__size(map));
 
     return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
 }
 
 static int hist_entry__dso_size_snprintf(struct hist_entry *he, char *bf,
                      size_t size, unsigned int width)
 {
     return _hist_entry__dso_size_snprintf(he->ms.map, bf, size, width);
 }
 
 struct sort_entry sort_dso_size = {
     .se_header  = "DSO size",
     .se_cmp     = sort__dso_size_cmp,
     .se_snprintf    = hist_entry__dso_size_snprintf,
     .se_width_idx   = HISTC_DSO_SIZE,
 };
 
 
 struct sort_dimension {
     const char      *name;
     struct sort_entry   *entry;
     int         taken;
 };
 
 int __weak arch_support_sort_key(const char *sort_key __maybe_unused)
 {
     return 0;
 }
 
 const char * __weak arch_perf_header_entry(const char *se_header)
 {
     return se_header;
 }
 
 static void sort_dimension_add_dynamic_header(struct sort_dimension *sd)
 {
     sd->entry->se_header = arch_perf_header_entry(sd->entry->se_header);
 }
 
 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
 
 static struct sort_dimension common_sort_dimensions[] = {
     DIM(SORT_PID, "pid", sort_thread),
     DIM(SORT_COMM, "comm", sort_comm),
     DIM(SORT_DSO, "dso", sort_dso),
     DIM(SORT_SYM, "symbol", sort_sym),
     DIM(SORT_PARENT, "parent", sort_parent),
     DIM(SORT_CPU, "cpu", sort_cpu),
     DIM(SORT_SOCKET, "socket", sort_socket),
     DIM(SORT_SRCLINE, "srcline", sort_srcline),
     DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
     DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
     DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
     DIM(SORT_TRANSACTION, "transaction", sort_transaction),
     DIM(SORT_TRACE, "trace", sort_trace),
     DIM(SORT_SYM_SIZE, "symbol_size", sort_sym_size),
     DIM(SORT_DSO_SIZE, "dso_size", sort_dso_size),
     DIM(SORT_CGROUP, "cgroup", sort_cgroup),
     DIM(SORT_CGROUP_ID, "cgroup_id", sort_cgroup_id),
     DIM(SORT_SYM_IPC_NULL, "ipc_null", sort_sym_ipc_null),
     DIM(SORT_TIME, "time", sort_time),
     DIM(SORT_CODE_PAGE_SIZE, "code_page_size", sort_code_page_size),
     DIM(SORT_LOCAL_INS_LAT, "local_ins_lat", sort_local_ins_lat),
     DIM(SORT_GLOBAL_INS_LAT, "ins_lat", sort_global_ins_lat),
     DIM(SORT_LOCAL_PIPELINE_STAGE_CYC, "local_p_stage_cyc", sort_local_p_stage_cyc),
     DIM(SORT_GLOBAL_PIPELINE_STAGE_CYC, "p_stage_cyc", sort_global_p_stage_cyc),
 };
 
 #undef DIM
 
 #define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }
 
 static struct sort_dimension bstack_sort_dimensions[] = {
     DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
     DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
     DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
     DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
     DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
     DIM(SORT_IN_TX, "in_tx", sort_in_tx),
     DIM(SORT_ABORT, "abort", sort_abort),
     DIM(SORT_CYCLES, "cycles", sort_cycles),
     DIM(SORT_SRCLINE_FROM, "srcline_from", sort_srcline_from),
     DIM(SORT_SRCLINE_TO, "srcline_to", sort_srcline_to),
     DIM(SORT_SYM_IPC, "ipc_lbr", sort_sym_ipc),
     DIM(SORT_ADDR_FROM, "addr_from", sort_addr_from),
     DIM(SORT_ADDR_TO, "addr_to", sort_addr_to),
 };
 
 #undef DIM
 
 #define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }
 
 static struct sort_dimension memory_sort_dimensions[] = {
     DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
     DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
     DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
     DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
     DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
     DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
     DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
     DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
     DIM(SORT_MEM_PHYS_DADDR, "phys_daddr", sort_mem_phys_daddr),
     DIM(SORT_MEM_DATA_PAGE_SIZE, "data_page_size", sort_mem_data_page_size),
     DIM(SORT_MEM_BLOCKED, "blocked", sort_mem_blocked),
 };
 
 #undef DIM
 
 struct hpp_dimension {
     const char      *name;
     struct perf_hpp_fmt *fmt;
     int         taken;
 };
 
 #define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }
 
 static struct hpp_dimension hpp_sort_dimensions[] = {
     DIM(PERF_HPP__OVERHEAD, "overhead"),
     DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
     DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
     DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
     DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
     DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
     DIM(PERF_HPP__SAMPLES, "sample"),
     DIM(PERF_HPP__PERIOD, "period"),
 };
 
 #undef DIM
 
 struct hpp_sort_entry {
     struct perf_hpp_fmt hpp;
     struct sort_entry *se;
 };
 
 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 {
     struct hpp_sort_entry *hse;
 
     if (!perf_hpp__is_sort_entry(fmt))
         return;
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
     hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
 }
 
 static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
                   struct hists *hists, int line __maybe_unused,
                   int *span __maybe_unused)
 {
     struct hpp_sort_entry *hse;
     size_t len = fmt->user_len;
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
 
     if (!len)
         len = hists__col_len(hists, hse->se->se_width_idx);
 
     return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
 }
 
 static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
                  struct perf_hpp *hpp __maybe_unused,
                  struct hists *hists)
 {
     struct hpp_sort_entry *hse;
     size_t len = fmt->user_len;
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
 
     if (!len)
         len = hists__col_len(hists, hse->se->se_width_idx);
 
     return len;
 }
 
 static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
                  struct hist_entry *he)
 {
     struct hpp_sort_entry *hse;
     size_t len = fmt->user_len;
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
 
     if (!len)
         len = hists__col_len(he->hists, hse->se->se_width_idx);
 
     return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
 }
 
 static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
                    struct hist_entry *a, struct hist_entry *b)
 {
     struct hpp_sort_entry *hse;
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
     return hse->se->se_cmp(a, b);
 }
 
 static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
                     struct hist_entry *a, struct hist_entry *b)
 {
     struct hpp_sort_entry *hse;
     int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
     collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
     return collapse_fn(a, b);
 }
 
 static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
                 struct hist_entry *a, struct hist_entry *b)
 {
     struct hpp_sort_entry *hse;
     int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
     sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
     return sort_fn(a, b);
 }
 
 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
 {
     return format->header == __sort__hpp_header;
 }
 
 #define MK_SORT_ENTRY_CHK(key)                  \
 bool perf_hpp__is_ ## key ## _entry(struct perf_hpp_fmt *fmt)   \
 {                               \
     struct hpp_sort_entry *hse;             \
                                 \
     if (!perf_hpp__is_sort_entry(fmt))          \
         return false;                   \
                                 \
     hse = container_of(fmt, struct hpp_sort_entry, hpp);    \
     return hse->se == &sort_ ## key ;           \
 }
 
 MK_SORT_ENTRY_CHK(trace)
 MK_SORT_ENTRY_CHK(srcline)
 MK_SORT_ENTRY_CHK(srcfile)
 MK_SORT_ENTRY_CHK(thread)
 MK_SORT_ENTRY_CHK(comm)
 MK_SORT_ENTRY_CHK(dso)
 MK_SORT_ENTRY_CHK(sym)
 
 
 static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 {
     struct hpp_sort_entry *hse_a;
     struct hpp_sort_entry *hse_b;
 
     if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
         return false;
 
     hse_a = container_of(a, struct hpp_sort_entry, hpp);
     hse_b = container_of(b, struct hpp_sort_entry, hpp);
 
     return hse_a->se == hse_b->se;
 }
 
 static void hse_free(struct perf_hpp_fmt *fmt)
 {
     struct hpp_sort_entry *hse;
 
     hse = container_of(fmt, struct hpp_sort_entry, hpp);
     free(hse);
 }
 
 static struct hpp_sort_entry *
 __sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
 {
     struct hpp_sort_entry *hse;
 
     hse = malloc(sizeof(*hse));
     if (hse == NULL) {
         pr_err("Memory allocation failed\n");
         return NULL;
     }
 
     hse->se = sd->entry;
     hse->hpp.name = sd->entry->se_header;
     hse->hpp.header = __sort__hpp_header;
     hse->hpp.width = __sort__hpp_width;
     hse->hpp.entry = __sort__hpp_entry;
     hse->hpp.color = NULL;
 
     hse->hpp.cmp = __sort__hpp_cmp;
     hse->hpp.collapse = __sort__hpp_collapse;
     hse->hpp.sort = __sort__hpp_sort;
     hse->hpp.equal = __sort__hpp_equal;
     hse->hpp.free = hse_free;
 
     INIT_LIST_HEAD(&hse->hpp.list);
     INIT_LIST_HEAD(&hse->hpp.sort_list);
     hse->hpp.elide = false;
     hse->hpp.len = 0;
     hse->hpp.user_len = 0;
     hse->hpp.level = level;
 
     return hse;
 }
 
 static void hpp_free(struct perf_hpp_fmt *fmt)
 {
     free(fmt);
 }
 
 static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
                                int level)
 {
     struct perf_hpp_fmt *fmt;
 
     fmt = memdup(hd->fmt, sizeof(*fmt));
     if (fmt) {
         INIT_LIST_HEAD(&fmt->list);
         INIT_LIST_HEAD(&fmt->sort_list);
         fmt->free = hpp_free;
         fmt->level = level;
     }
 
     return fmt;
 }
 
 int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
 {
     struct perf_hpp_fmt *fmt;
     struct hpp_sort_entry *hse;
     int ret = -1;
     int r;
 
     perf_hpp_list__for_each_format(he->hpp_list, fmt) {
         if (!perf_hpp__is_sort_entry(fmt))
             continue;
 
         hse = container_of(fmt, struct hpp_sort_entry, hpp);
         if (hse->se->se_filter == NULL)
             continue;
 
         /*
          * hist entry is filtered if any of sort key in the hpp list
          * is applied.  But it should skip non-matched filter types.
          */
         r = hse->se->se_filter(he, type, arg);
         if (r >= 0) {
             if (ret < 0)
                 ret = 0;
             ret |= r;
         }
     }
 
     return ret;
 }
 
 static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd,
                       struct perf_hpp_list *list,
                       int level)
 {
     struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);
 
     if (hse == NULL)
         return -1;
 
     perf_hpp_list__register_sort_field(list, &hse->hpp);
     return 0;
 }
 
 static int __sort_dimension__add_hpp_output(struct sort_dimension *sd,
                         struct perf_hpp_list *list)
 {
     struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);
 
     if (hse == NULL)
         return -1;
 
     perf_hpp_list__column_register(list, &hse->hpp);
     return 0;
 }
 
 struct hpp_dynamic_entry {
     struct perf_hpp_fmt hpp;
     struct evsel *evsel;
     struct tep_format_field *field;
     unsigned dynamic_len;
     bool raw_trace;
 };
 
 static int hde_width(struct hpp_dynamic_entry *hde)
 {
     if (!hde->hpp.len) {
         int len = hde->dynamic_len;
         int namelen = strlen(hde->field->name);
         int fieldlen = hde->field->size;
 
         if (namelen > len)
             len = namelen;
 
         if (!(hde->field->flags & TEP_FIELD_IS_STRING)) {
             /* length for print hex numbers */
             fieldlen = hde->field->size * 2 + 2;
         }
         if (fieldlen > len)
             len = fieldlen;
 
         hde->hpp.len = len;
     }
     return hde->hpp.len;
 }
 
 static void update_dynamic_len(struct hpp_dynamic_entry *hde,
                    struct hist_entry *he)
 {
     char *str, *pos;
     struct tep_format_field *field = hde->field;
     size_t namelen;
     bool last = false;
 
     if (hde->raw_trace)
         return;
 
     /* parse pretty print result and update max length */
     if (!he->trace_output)
         he->trace_output = get_trace_output(he);
 
     namelen = strlen(field->name);
     str = he->trace_output;
 
     while (str) {
         pos = strchr(str, ' ');
         if (pos == NULL) {
             last = true;
             pos = str + strlen(str);
         }
 
         if (!strncmp(str, field->name, namelen)) {
             size_t len;
 
             str += namelen + 1;
             len = pos - str;
 
             if (len > hde->dynamic_len)
                 hde->dynamic_len = len;
             break;
         }
 
         if (last)
             str = NULL;
         else
             str = pos + 1;
     }
 }
 
 static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
                   struct hists *hists __maybe_unused,
                   int line __maybe_unused,
                   int *span __maybe_unused)
 {
     struct hpp_dynamic_entry *hde;
     size_t len = fmt->user_len;
 
     hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
 
     if (!len)
         len = hde_width(hde);
 
     return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
 }
 
 static int __sort__hde_width(struct perf_hpp_fmt *fmt,
                  struct perf_hpp *hpp __maybe_unused,
                  struct hists *hists __maybe_unused)
 {
     struct hpp_dynamic_entry *hde;
     size_t len = fmt->user_len;
 
     hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
 
     if (!len)
         len = hde_width(hde);
 
     return len;
 }
 
 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
 {
     struct hpp_dynamic_entry *hde;
 
     hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
 
     return hists_to_evsel(hists) == hde->evsel;
 }
 
 static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
                  struct hist_entry *he)
 {
     struct hpp_dynamic_entry *hde;
     size_t len = fmt->user_len;
     char *str, *pos;
     struct tep_format_field *field;
     size_t namelen;
     bool last = false;
     int ret;
 
     hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
 
     if (!len)
         len = hde_width(hde);
 
     if (hde->raw_trace)
         goto raw_field;
 
     if (!he->trace_output)
         he->trace_output = get_trace_output(he);
 
     field = hde->field;
     namelen = strlen(field->name);
     str = he->trace_output;
 
     while (str) {
         pos = strchr(str, ' ');
         if (pos == NULL) {
             last = true;
             pos = str + strlen(str);
         }
 
         if (!strncmp(str, field->name, namelen)) {
             str += namelen + 1;
             str = strndup(str, pos - str);
 
             if (str == NULL)
                 return scnprintf(hpp->buf, hpp->size,
                          "%*.*s", len, len, "ERROR");
             break;
         }
 
         if (last)
             str = NULL;
         else
             str = pos + 1;
     }
 
     if (str == NULL) {
         struct trace_seq seq;
 raw_field:
         trace_seq_init(&seq);
         tep_print_field(&seq, he->raw_data, hde->field);
         str = seq.buffer;
     }
 
     ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
     free(str);
     return ret;
 }
 
 static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
                    struct hist_entry *a, struct hist_entry *b)
 {
     struct hpp_dynamic_entry *hde;
     struct tep_format_field *field;
     unsigned offset, size;
 
     hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
 
     if (b == NULL) {
         update_dynamic_len(hde, a);
         return 0;
     }
 
     field = hde->field;
     if (field->flags & TEP_FIELD_IS_DYNAMIC) {
         unsigned long long dyn;
 
         tep_read_number_field(field, a->raw_data, &dyn);
         offset = dyn & 0xffff;
         size = (dyn >> 16) & 0xffff;
         if (field->flags & TEP_FIELD_IS_RELATIVE)
             offset += field->offset + field->size;
 
         /* record max width for output */
         if (size > hde->dynamic_len)
             hde->dynamic_len = size;
     } else {
         offset = field->offset;
         size = field->size;
     }
 
     return memcmp(a->raw_data + offset, b->raw_data + offset, size);
 }
 
 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
 {
     return fmt->cmp == __sort__hde_cmp;
 }
 
 static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 {
     struct hpp_dynamic_entry *hde_a;
     struct hpp_dynamic_entry *hde_b;
 
     if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
         return false;
 
     hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
     hde_b = container_of(b, struct hpp_dynamic_entry, hpp);
 
     return hde_a->field == hde_b->field;
 }
 
 static void hde_free(struct perf_hpp_fmt *fmt)
 {
     struct hpp_dynamic_entry *hde;
 
     hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
     free(hde);
 }
 
 static struct hpp_dynamic_entry *
 __alloc_dynamic_entry(struct evsel *evsel, struct tep_format_field *field,
               int level)
 {
     struct hpp_dynamic_entry *hde;
 
     hde = malloc(sizeof(*hde));
     if (hde == NULL) {
         pr_debug("Memory allocation failed\n");
         return NULL;
     }
 
     hde->evsel = evsel;
     hde->field = field;
     hde->dynamic_len = 0;
 
     hde->hpp.name = field->name;
     hde->hpp.header = __sort__hde_header;
     hde->hpp.width  = __sort__hde_width;
     hde->hpp.entry  = __sort__hde_entry;
     hde->hpp.color  = NULL;
 
     hde->hpp.cmp = __sort__hde_cmp;
     hde->hpp.collapse = __sort__hde_cmp;
     hde->hpp.sort = __sort__hde_cmp;
     hde->hpp.equal = __sort__hde_equal;
     hde->hpp.free = hde_free;
 
     INIT_LIST_HEAD(&hde->hpp.list);
     INIT_LIST_HEAD(&hde->hpp.sort_list);
     hde->hpp.elide = false;
     hde->hpp.len = 0;
     hde->hpp.user_len = 0;
     hde->hpp.level = level;
 
     return hde;
 }
 
 struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt)
 {
     struct perf_hpp_fmt *new_fmt = NULL;
 
     if (perf_hpp__is_sort_entry(fmt)) {
         struct hpp_sort_entry *hse, *new_hse;
 
         hse = container_of(fmt, struct hpp_sort_entry, hpp);
         new_hse = memdup(hse, sizeof(*hse));
         if (new_hse)
             new_fmt = &new_hse->hpp;
     } else if (perf_hpp__is_dynamic_entry(fmt)) {
         struct hpp_dynamic_entry *hde, *new_hde;
 
         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
         new_hde = memdup(hde, sizeof(*hde));
         if (new_hde)
             new_fmt = &new_hde->hpp;
     } else {
         new_fmt = memdup(fmt, sizeof(*fmt));
     }
 
     INIT_LIST_HEAD(&new_fmt->list);
     INIT_LIST_HEAD(&new_fmt->sort_list);
 
     return new_fmt;
 }
 
 static int parse_field_name(char *str, char **event, char **field, char **opt)
 {
     char *event_name, *field_name, *opt_name;
 
     event_name = str;
     field_name = strchr(str, '.');
 
     if (field_name) {
         *field_name++ = '\0';
     } else {
         event_name = NULL;
         field_name = str;
     }
 
     opt_name = strchr(field_name, '/');
     if (opt_name)
         *opt_name++ = '\0';
 
     *event = event_name;
     *field = field_name;
     *opt   = opt_name;
 
     return 0;
 }
 
 /* find match evsel using a given event name.  The event name can be:
  *   1. '%' + event index (e.g. '%1' for first event)
  *   2. full event name (e.g. sched:sched_switch)
  *   3. partial event name (should not contain ':')
  */
 static struct evsel *find_evsel(struct evlist *evlist, char *event_name)
 {
     struct evsel *evsel = NULL;
     struct evsel *pos;
     bool full_name;
 
     /* case 1 */
     if (event_name[0] == '%') {
         int nr = strtol(event_name+1, NULL, 0);
 
         if (nr > evlist->core.nr_entries)
             return NULL;
 
         evsel = evlist__first(evlist);
         while (--nr > 0)
             evsel = evsel__next(evsel);
 
         return evsel;
     }
 
     full_name = !!strchr(event_name, ':');
     evlist__for_each_entry(evlist, pos) {
         /* case 2 */
         if (full_name && !strcmp(pos->name, event_name))
             return pos;
         /* case 3 */
         if (!full_name && strstr(pos->name, event_name)) {
             if (evsel) {
                 pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
                      event_name, evsel->name, pos->name);
                 return NULL;
             }
             evsel = pos;
         }
     }
 
     return evsel;
 }
 
 static int __dynamic_dimension__add(struct evsel *evsel,
                     struct tep_format_field *field,
                     bool raw_trace, int level)
 {
     struct hpp_dynamic_entry *hde;
 
     hde = __alloc_dynamic_entry(evsel, field, level);
     if (hde == NULL)
         return -ENOMEM;
 
     hde->raw_trace = raw_trace;
 
     perf_hpp__register_sort_field(&hde->hpp);
     return 0;
 }
 
 static int add_evsel_fields(struct evsel *evsel, bool raw_trace, int level)
 {
     int ret;
     struct tep_format_field *field;
 
     field = evsel->tp_format->format.fields;
     while (field) {
         ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
         if (ret < 0)
             return ret;
 
         field = field->next;
     }
     return 0;
 }
 
 static int add_all_dynamic_fields(struct evlist *evlist, bool raw_trace,
                   int level)
 {
     int ret;
     struct evsel *evsel;
 
     evlist__for_each_entry(evlist, evsel) {
         if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
             continue;
 
         ret = add_evsel_fields(evsel, raw_trace, level);
         if (ret < 0)
             return ret;
     }
     return 0;
 }
 
 static int add_all_matching_fields(struct evlist *evlist,
                    char *field_name, bool raw_trace, int level)
 {
     int ret = -ESRCH;
     struct evsel *evsel;
     struct tep_format_field *field;
 
     evlist__for_each_entry(evlist, evsel) {
         if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
             continue;
 
         field = tep_find_any_field(evsel->tp_format, field_name);
         if (field == NULL)
             continue;
 
         ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
         if (ret < 0)
             break;
     }
     return ret;
 }
 
 static int add_dynamic_entry(struct evlist *evlist, const char *tok,
                  int level)
 {
     char *str, *event_name, *field_name, *opt_name;
     struct evsel *evsel;
     struct tep_format_field *field;
     bool raw_trace = symbol_conf.raw_trace;
     int ret = 0;
 
     if (evlist == NULL)
         return -ENOENT;
 
     str = strdup(tok);
     if (str == NULL)
         return -ENOMEM;
 
     if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
         ret = -EINVAL;
         goto out;
     }
 
     if (opt_name) {
         if (strcmp(opt_name, "raw")) {
             pr_debug("unsupported field option %s\n", opt_name);
             ret = -EINVAL;
             goto out;
         }
         raw_trace = true;
     }
 
     if (!strcmp(field_name, "trace_fields")) {
         ret = add_all_dynamic_fields(evlist, raw_trace, level);
         goto out;
     }
 
     if (event_name == NULL) {
         ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
         goto out;
     }
 
     evsel = find_evsel(evlist, event_name);
     if (evsel == NULL) {
         pr_debug("Cannot find event: %s\n", event_name);
         ret = -ENOENT;
         goto out;
     }
 
     if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
         pr_debug("%s is not a tracepoint event\n", event_name);
         ret = -EINVAL;
         goto out;
     }
 
     if (!strcmp(field_name, "*")) {
         ret = add_evsel_fields(evsel, raw_trace, level);
     } else {
         field = tep_find_any_field(evsel->tp_format, field_name);
         if (field == NULL) {
             pr_debug("Cannot find event field for %s.%s\n",
                  event_name, field_name);
             return -ENOENT;
         }
 
         ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
     }
 
 out:
     free(str);
     return ret;
 }
 
 static int __sort_dimension__add(struct sort_dimension *sd,
                  struct perf_hpp_list *list,
                  int level)
 {
     if (sd->taken)
         return 0;
 
     if (__sort_dimension__add_hpp_sort(sd, list, level) < 0)
         return -1;
 
     if (sd->entry->se_collapse)
         list->need_collapse = 1;
 
     sd->taken = 1;
 
     return 0;
 }
 
 static int __hpp_dimension__add(struct hpp_dimension *hd,
                 struct perf_hpp_list *list,
                 int level)
 {
     struct perf_hpp_fmt *fmt;
 
     if (hd->taken)
         return 0;
 
     fmt = __hpp_dimension__alloc_hpp(hd, level);
     if (!fmt)
         return -1;
 
     hd->taken = 1;
     perf_hpp_list__register_sort_field(list, fmt);
     return 0;
 }
 
 static int __sort_dimension__add_output(struct perf_hpp_list *list,
                     struct sort_dimension *sd)
 {
     if (sd->taken)
         return 0;
 
     if (__sort_dimension__add_hpp_output(sd, list) < 0)
         return -1;
 
     sd->taken = 1;
     return 0;
 }
 
 static int __hpp_dimension__add_output(struct perf_hpp_list *list,
                        struct hpp_dimension *hd)
 {
     struct perf_hpp_fmt *fmt;
 
     if (hd->taken)
         return 0;
 
     fmt = __hpp_dimension__alloc_hpp(hd, 0);
     if (!fmt)
         return -1;
 
     hd->taken = 1;
     perf_hpp_list__column_register(list, fmt);
     return 0;
 }
 
 int hpp_dimension__add_output(unsigned col)
 {
     BUG_ON(col >= PERF_HPP__MAX_INDEX);
     return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
 }
 
 int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
             struct evlist *evlist,
             int level)
 {
     unsigned int i, j;
 
     /*
      * Check to see if there are any arch specific
      * sort dimensions not applicable for the current
      * architecture. If so, Skip that sort key since
      * we don't want to display it in the output fields.
      */
     for (j = 0; j < ARRAY_SIZE(arch_specific_sort_keys); j++) {
         if (!strcmp(arch_specific_sort_keys[j], tok) &&
                 !arch_support_sort_key(tok)) {
             return 0;
         }
     }
 
     for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
         struct sort_dimension *sd = &common_sort_dimensions[i];
 
         if (strncasecmp(tok, sd->name, strlen(tok)))
             continue;
 
         for (j = 0; j < ARRAY_SIZE(dynamic_headers); j++) {
             if (!strcmp(dynamic_headers[j], sd->name))
                 sort_dimension_add_dynamic_header(sd);
         }
 
         if (sd->entry == &sort_parent) {
             int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
             if (ret) {
                 char err[BUFSIZ];
 
                 regerror(ret, &parent_regex, err, sizeof(err));
                 pr_err("Invalid regex: %s\n%s", parent_pattern, err);
                 return -EINVAL;
             }
             list->parent = 1;
         } else if (sd->entry == &sort_sym) {
             list->sym = 1;
             /*
              * perf diff displays the performance difference amongst
              * two or more perf.data files. Those files could come
              * from different binaries. So we should not compare
              * their ips, but the name of symbol.
              */
             if (sort__mode == SORT_MODE__DIFF)
                 sd->entry->se_collapse = sort__sym_sort;
 
         } else if (sd->entry == &sort_dso) {
             list->dso = 1;
         } else if (sd->entry == &sort_socket) {
             list->socket = 1;
         } else if (sd->entry == &sort_thread) {
             list->thread = 1;
         } else if (sd->entry == &sort_comm) {
             list->comm = 1;
         }
 
         return __sort_dimension__add(sd, list, level);
     }
 
     for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
         struct hpp_dimension *hd = &hpp_sort_dimensions[i];
 
         if (strncasecmp(tok, hd->name, strlen(tok)))
             continue;
 
         return __hpp_dimension__add(hd, list, level);
     }
 
     for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
         struct sort_dimension *sd = &bstack_sort_dimensions[i];
 
         if (strncasecmp(tok, sd->name, strlen(tok)))
             continue;
 
         if (sort__mode != SORT_MODE__BRANCH)
             return -EINVAL;
 
         if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
             list->sym = 1;
 
         __sort_dimension__add(sd, list, level);
         return 0;
     }
 
     for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
         struct sort_dimension *sd = &memory_sort_dimensions[i];
 
         if (strncasecmp(tok, sd->name, strlen(tok)))
             continue;
 
         if (sort__mode != SORT_MODE__MEMORY)
             return -EINVAL;
 
         if (sd->entry == &sort_mem_dcacheline && cacheline_size() == 0)
             return -EINVAL;
 
         if (sd->entry == &sort_mem_daddr_sym)
             list->sym = 1;
 
         __sort_dimension__add(sd, list, level);
         return 0;
     }
 
     if (!add_dynamic_entry(evlist, tok, level))
         return 0;
 
     return -ESRCH;
 }
 
 static int setup_sort_list(struct perf_hpp_list *list, char *str,
                struct evlist *evlist)
 {
     char *tmp, *tok;
     int ret = 0;
     int level = 0;
     int next_level = 1;
     bool in_group = false;
 
     do {
         tok = str;
         tmp = strpbrk(str, "{}, ");
         if (tmp) {
             if (in_group)
                 next_level = level;
             else
                 next_level = level + 1;
 
             if (*tmp == '{')
                 in_group = true;
             else if (*tmp == '}')
                 in_group = false;
 
             *tmp = '\0';
             str = tmp + 1;
         }
 
         if (*tok) {
             ret = sort_dimension__add(list, tok, evlist, level);
             if (ret == -EINVAL) {
                 if (!cacheline_size() && !strncasecmp(tok, "dcacheline", strlen(tok)))
                     ui__error("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system");
                 else
                     ui__error("Invalid --sort key: `%s'", tok);
                 break;
             } else if (ret == -ESRCH) {
                 ui__error("Unknown --sort key: `%s'", tok);
                 break;
             }
         }
 
         level = next_level;
     } while (tmp);
 
     return ret;
 }
 
 static const char *get_default_sort_order(struct evlist *evlist)
 {
     const char *default_sort_orders[] = {
         default_sort_order,
         default_branch_sort_order,
         default_mem_sort_order,
         default_top_sort_order,
         default_diff_sort_order,
         default_tracepoint_sort_order,
     };
     bool use_trace = true;
     struct evsel *evsel;
 
     BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));
 
     if (evlist == NULL || evlist__empty(evlist))
         goto out_no_evlist;
 
     evlist__for_each_entry(evlist, evsel) {
         if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
             use_trace = false;
             break;
         }
     }
 
     if (use_trace) {
         sort__mode = SORT_MODE__TRACEPOINT;
         if (symbol_conf.raw_trace)
             return "trace_fields";
     }
 out_no_evlist:
     return default_sort_orders[sort__mode];
 }
 
 static int setup_sort_order(struct evlist *evlist)
 {
     char *new_sort_order;
 
     /*
      * Append '+'-prefixed sort order to the default sort
      * order string.
      */
     if (!sort_order || is_strict_order(sort_order))
         return 0;
 
     if (sort_order[1] == '\0') {
         ui__error("Invalid --sort key: `+'");
         return -EINVAL;
     }
 
     /*
      * We allocate new sort_order string, but we never free it,
      * because it's checked over the rest of the code.
      */
     if (asprintf(&new_sort_order, "%s,%s",
              get_default_sort_order(evlist), sort_order + 1) < 0) {
         pr_err("Not enough memory to set up --sort");
         return -ENOMEM;
     }
 
     sort_order = new_sort_order;
     return 0;
 }
 
 /*
  * Adds 'pre,' prefix into 'str' is 'pre' is
  * not already part of 'str'.
  */
 static char *prefix_if_not_in(const char *pre, char *str)
 {
     char *n;
 
     if (!str || strstr(str, pre))
         return str;
 
     if (asprintf(&n, "%s,%s", pre, str) < 0)
         n = NULL;
 
     free(str);
     return n;
 }
 
 static char *setup_overhead(char *keys)
 {
     if (sort__mode == SORT_MODE__DIFF)
         return keys;
 
     keys = prefix_if_not_in("overhead", keys);
 
     if (symbol_conf.cumulate_callchain)
         keys = prefix_if_not_in("overhead_children", keys);
 
     return keys;
 }
 
 static int __setup_sorting(struct evlist *evlist)
 {
     char *str;
     const char *sort_keys;
     int ret = 0;
 
     ret = setup_sort_order(evlist);
     if (ret)
         return ret;
 
     sort_keys = sort_order;
     if (sort_keys == NULL) {
         if (is_strict_order(field_order)) {
             /*
              * If user specified field order but no sort order,
              * we'll honor it and not add default sort orders.
              */
             return 0;
         }
 
         sort_keys = get_default_sort_order(evlist);
     }
 
     str = strdup(sort_keys);
     if (str == NULL) {
         pr_err("Not enough memory to setup sort keys");
         return -ENOMEM;
     }
 
     /*
      * Prepend overhead fields for backward compatibility.
      */
     if (!is_strict_order(field_order)) {
         str = setup_overhead(str);
         if (str == NULL) {
             pr_err("Not enough memory to setup overhead keys");
             return -ENOMEM;
         }
     }
 
     ret = setup_sort_list(&perf_hpp_list, str, evlist);
 
     free(str);
     return ret;
 }
 
 void perf_hpp__set_elide(int idx, bool elide)
 {
     struct perf_hpp_fmt *fmt;
     struct hpp_sort_entry *hse;
 
     perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
         if (!perf_hpp__is_sort_entry(fmt))
             continue;
 
         hse = container_of(fmt, struct hpp_sort_entry, hpp);
         if (hse->se->se_width_idx == idx) {
             fmt->elide = elide;
             break;
         }
     }
 }
 
 static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
 {
     if (list && strlist__nr_entries(list) == 1) {
         if (fp != NULL)
             fprintf(fp, "# %s: %s\n", list_name,
                 strlist__entry(list, 0)->s);
         return true;
     }
     return false;
 }
 
 static bool get_elide(int idx, FILE *output)
 {
     switch (idx) {
     case HISTC_SYMBOL:
         return __get_elide(symbol_conf.sym_list, "symbol", output);
     case HISTC_DSO:
         return __get_elide(symbol_conf.dso_list, "dso", output);
     case HISTC_COMM:
         return __get_elide(symbol_conf.comm_list, "comm", output);
     default:
         break;
     }
 
     if (sort__mode != SORT_MODE__BRANCH)
         return false;
 
     switch (idx) {
     case HISTC_SYMBOL_FROM:
         return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
     case HISTC_SYMBOL_TO:
         return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
     case HISTC_DSO_FROM:
         return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
     case HISTC_DSO_TO:
         return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
     case HISTC_ADDR_FROM:
         return __get_elide(symbol_conf.sym_from_list, "addr_from", output);
     case HISTC_ADDR_TO:
         return __get_elide(symbol_conf.sym_to_list, "addr_to", output);
     default:
         break;
     }
 
     return false;
 }
 
 void sort__setup_elide(FILE *output)
 {
     struct perf_hpp_fmt *fmt;
     struct hpp_sort_entry *hse;
 
     perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
         if (!perf_hpp__is_sort_entry(fmt))
             continue;
 
         hse = container_of(fmt, struct hpp_sort_entry, hpp);
         fmt->elide = get_elide(hse->se->se_width_idx, output);
     }
 
     /*
      * It makes no sense to elide all of sort entries.
      * Just revert them to show up again.
      */
     perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
         if (!perf_hpp__is_sort_entry(fmt))
             continue;
 
         if (!fmt->elide)
             return;
     }
 
     perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
         if (!perf_hpp__is_sort_entry(fmt))
             continue;
 
         fmt->elide = false;
     }
 }
 
 int output_field_add(struct perf_hpp_list *list, char *tok)
 {
     unsigned int i;
 
     for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
         struct sort_dimension *sd = &common_sort_dimensions[i];
 
         if (strncasecmp(tok, sd->name, strlen(tok)))
             continue;
 
         return __sort_dimension__add_output(list, sd);
     }
 
     for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
         struct hpp_dimension *hd = &hpp_sort_dimensions[i];
 
         if (strncasecmp(tok, hd->name, strlen(tok)))
             continue;
 
         return __hpp_dimension__add_output(list, hd);
     }
 
     for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
         struct sort_dimension *sd = &bstack_sort_dimensions[i];
 
         if (strncasecmp(tok, sd->name, strlen(tok)))
             continue;
 
         if (sort__mode != SORT_MODE__BRANCH)
             return -EINVAL;
 
         return __sort_dimension__add_output(list, sd);
     }
 
     for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
         struct sort_dimension *sd = &memory_sort_dimensions[i];
 
         if (strncasecmp(tok, sd->name, strlen(tok)))
             continue;
 
         if (sort__mode != SORT_MODE__MEMORY)
             return -EINVAL;
 
         return __sort_dimension__add_output(list, sd);
     }
 
     return -ESRCH;
 }
 
 static int setup_output_list(struct perf_hpp_list *list, char *str)
 {
     char *tmp, *tok;
     int ret = 0;
 
     for (tok = strtok_r(str, ", ", &tmp);
             tok; tok = strtok_r(NULL, ", ", &tmp)) {
         ret = output_field_add(list, tok);
         if (ret == -EINVAL) {
             ui__error("Invalid --fields key: `%s'", tok);
             break;
         } else if (ret == -ESRCH) {
             ui__error("Unknown --fields key: `%s'", tok);
             break;
         }
     }
 
     return ret;
 }
 
 void reset_dimensions(void)
 {
     unsigned int i;
 
     for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
         common_sort_dimensions[i].taken = 0;
 
     for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
         hpp_sort_dimensions[i].taken = 0;
 
     for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
         bstack_sort_dimensions[i].taken = 0;
 
     for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
         memory_sort_dimensions[i].taken = 0;
 }
 
 bool is_strict_order(const char *order)
 {
     return order && (*order != '+');
 }
 
 static int __setup_output_field(void)
 {
     char *str, *strp;
     int ret = -EINVAL;
 
     if (field_order == NULL)
         return 0;
 
     strp = str = strdup(field_order);
     if (str == NULL) {
         pr_err("Not enough memory to setup output fields");
         return -ENOMEM;
     }
 
     if (!is_strict_order(field_order))
         strp++;
 
     if (!strlen(strp)) {
         ui__error("Invalid --fields key: `+'");
         goto out;
     }
 
     ret = setup_output_list(&perf_hpp_list, strp);
 
 out:
     free(str);
     return ret;
 }
 
 int setup_sorting(struct evlist *evlist)
 {
     int err;
 
     err = __setup_sorting(evlist);
     if (err < 0)
         return err;
 
     if (parent_pattern != default_parent_pattern) {
         err = sort_dimension__add(&perf_hpp_list, "parent", evlist, -1);
         if (err < 0)
             return err;
     }
 
     reset_dimensions();
 
     /*
      * perf diff doesn't use default hpp output fields.
      */
     if (sort__mode != SORT_MODE__DIFF)
         perf_hpp__init();
 
     err = __setup_output_field();
     if (err < 0)
         return err;
 
     /* copy sort keys to output fields */
     perf_hpp__setup_output_field(&perf_hpp_list);
     /* and then copy output fields to sort keys */
     perf_hpp__append_sort_keys(&perf_hpp_list);
 
     /* setup hists-specific output fields */
     if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0)
         return -1;
 
     return 0;
 }
 
 void reset_output_field(void)
 {
     perf_hpp_list.need_collapse = 0;
     perf_hpp_list.parent = 0;
     perf_hpp_list.sym = 0;
     perf_hpp_list.dso = 0;
 
     field_order = NULL;
     sort_order = NULL;
 
     reset_dimensions();
     perf_hpp__reset_output_field(&perf_hpp_list);
 }
 
 #define INDENT (3*8 + 1)
 
 static void add_key(struct strbuf *sb, const char *str, int *llen)
 {
     if (*llen >= 75) {
         strbuf_addstr(sb, "\n\t\t\t ");
         *llen = INDENT;
     }
     strbuf_addf(sb, " %s", str);
     *llen += strlen(str) + 1;
 }
 
 static void add_sort_string(struct strbuf *sb, struct sort_dimension *s, int n,
                 int *llen)
 {
     int i;
 
     for (i = 0; i < n; i++)
         add_key(sb, s[i].name, llen);
 }
 
 static void add_hpp_sort_string(struct strbuf *sb, struct hpp_dimension *s, int n,
                 int *llen)
 {
     int i;
 
     for (i = 0; i < n; i++)
         add_key(sb, s[i].name, llen);
 }
 
 char *sort_help(const char *prefix)
 {
     struct strbuf sb;
     char *s;
     int len = strlen(prefix) + INDENT;
 
     strbuf_init(&sb, 300);
     strbuf_addstr(&sb, prefix);
     add_hpp_sort_string(&sb, hpp_sort_dimensions,
                 ARRAY_SIZE(hpp_sort_dimensions), &len);
     add_sort_string(&sb, common_sort_dimensions,
                 ARRAY_SIZE(common_sort_dimensions), &len);
     add_sort_string(&sb, bstack_sort_dimensions,
                 ARRAY_SIZE(bstack_sort_dimensions), &len);
     add_sort_string(&sb, memory_sort_dimensions,
                 ARRAY_SIZE(memory_sort_dimensions), &len);
     s = strbuf_detach(&sb, NULL);
     strbuf_release(&sb);
     return s;
 }