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0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <inttypes.h>
0003 #include <math.h>
0004 #include <stdlib.h>
0005 #include <string.h>
0006 #include <linux/compiler.h>
0007 
0008 #include "../util/callchain.h"
0009 #include "../util/debug.h"
0010 #include "../util/hist.h"
0011 #include "../util/sort.h"
0012 #include "../util/evsel.h"
0013 #include "../util/evlist.h"
0014 #include "../perf.h"
0015 
0016 /* hist period print (hpp) functions */
0017 
0018 #define hpp__call_print_fn(hpp, fn, fmt, ...)           \
0019 ({                              \
0020     int __ret = fn(hpp, fmt, ##__VA_ARGS__);        \
0021     advance_hpp(hpp, __ret);                \
0022     __ret;                          \
0023 })
0024 
0025 static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
0026               hpp_field_fn get_field, const char *fmt, int len,
0027               hpp_snprint_fn print_fn, bool fmt_percent)
0028 {
0029     int ret;
0030     struct hists *hists = he->hists;
0031     struct evsel *evsel = hists_to_evsel(hists);
0032     char *buf = hpp->buf;
0033     size_t size = hpp->size;
0034 
0035     if (fmt_percent) {
0036         double percent = 0.0;
0037         u64 total = hists__total_period(hists);
0038 
0039         if (total)
0040             percent = 100.0 * get_field(he) / total;
0041 
0042         ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
0043     } else
0044         ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
0045 
0046     if (evsel__is_group_event(evsel)) {
0047         int prev_idx, idx_delta;
0048         struct hist_entry *pair;
0049         int nr_members = evsel->core.nr_members;
0050 
0051         prev_idx = evsel__group_idx(evsel);
0052 
0053         list_for_each_entry(pair, &he->pairs.head, pairs.node) {
0054             u64 period = get_field(pair);
0055             u64 total = hists__total_period(pair->hists);
0056 
0057             if (!total)
0058                 continue;
0059 
0060             evsel = hists_to_evsel(pair->hists);
0061             idx_delta = evsel__group_idx(evsel) - prev_idx - 1;
0062 
0063             while (idx_delta--) {
0064                 /*
0065                  * zero-fill group members in the middle which
0066                  * have no sample
0067                  */
0068                 if (fmt_percent) {
0069                     ret += hpp__call_print_fn(hpp, print_fn,
0070                                   fmt, len, 0.0);
0071                 } else {
0072                     ret += hpp__call_print_fn(hpp, print_fn,
0073                                   fmt, len, 0ULL);
0074                 }
0075             }
0076 
0077             if (fmt_percent) {
0078                 ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
0079                               100.0 * period / total);
0080             } else {
0081                 ret += hpp__call_print_fn(hpp, print_fn, fmt,
0082                               len, period);
0083             }
0084 
0085             prev_idx = evsel__group_idx(evsel);
0086         }
0087 
0088         idx_delta = nr_members - prev_idx - 1;
0089 
0090         while (idx_delta--) {
0091             /*
0092              * zero-fill group members at last which have no sample
0093              */
0094             if (fmt_percent) {
0095                 ret += hpp__call_print_fn(hpp, print_fn,
0096                               fmt, len, 0.0);
0097             } else {
0098                 ret += hpp__call_print_fn(hpp, print_fn,
0099                               fmt, len, 0ULL);
0100             }
0101         }
0102     }
0103 
0104     /*
0105      * Restore original buf and size as it's where caller expects
0106      * the result will be saved.
0107      */
0108     hpp->buf = buf;
0109     hpp->size = size;
0110 
0111     return ret;
0112 }
0113 
0114 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
0115          struct hist_entry *he, hpp_field_fn get_field,
0116          const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
0117 {
0118     int len = fmt->user_len ?: fmt->len;
0119 
0120     if (symbol_conf.field_sep) {
0121         return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
0122                   print_fn, fmt_percent);
0123     }
0124 
0125     if (fmt_percent)
0126         len -= 2; /* 2 for a space and a % sign */
0127     else
0128         len -= 1;
0129 
0130     return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
0131 }
0132 
0133 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
0134          struct hist_entry *he, hpp_field_fn get_field,
0135          const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
0136 {
0137     if (!symbol_conf.cumulate_callchain) {
0138         int len = fmt->user_len ?: fmt->len;
0139         return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
0140     }
0141 
0142     return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
0143 }
0144 
0145 static int field_cmp(u64 field_a, u64 field_b)
0146 {
0147     if (field_a > field_b)
0148         return 1;
0149     if (field_a < field_b)
0150         return -1;
0151     return 0;
0152 }
0153 
0154 static int hist_entry__new_pair(struct hist_entry *a, struct hist_entry *b,
0155                 hpp_field_fn get_field, int nr_members,
0156                 u64 **fields_a, u64 **fields_b)
0157 {
0158     u64 *fa = calloc(nr_members, sizeof(*fa)),
0159         *fb = calloc(nr_members, sizeof(*fb));
0160     struct hist_entry *pair;
0161 
0162     if (!fa || !fb)
0163         goto out_free;
0164 
0165     list_for_each_entry(pair, &a->pairs.head, pairs.node) {
0166         struct evsel *evsel = hists_to_evsel(pair->hists);
0167         fa[evsel__group_idx(evsel)] = get_field(pair);
0168     }
0169 
0170     list_for_each_entry(pair, &b->pairs.head, pairs.node) {
0171         struct evsel *evsel = hists_to_evsel(pair->hists);
0172         fb[evsel__group_idx(evsel)] = get_field(pair);
0173     }
0174 
0175     *fields_a = fa;
0176     *fields_b = fb;
0177     return 0;
0178 out_free:
0179     free(fa);
0180     free(fb);
0181     *fields_a = *fields_b = NULL;
0182     return -1;
0183 }
0184 
0185 static int __hpp__group_sort_idx(struct hist_entry *a, struct hist_entry *b,
0186                  hpp_field_fn get_field, int idx)
0187 {
0188     struct evsel *evsel = hists_to_evsel(a->hists);
0189     u64 *fields_a, *fields_b;
0190     int cmp, nr_members, ret, i;
0191 
0192     cmp = field_cmp(get_field(a), get_field(b));
0193     if (!evsel__is_group_event(evsel))
0194         return cmp;
0195 
0196     nr_members = evsel->core.nr_members;
0197     if (idx < 1 || idx >= nr_members)
0198         return cmp;
0199 
0200     ret = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
0201     if (ret) {
0202         ret = cmp;
0203         goto out;
0204     }
0205 
0206     ret = field_cmp(fields_a[idx], fields_b[idx]);
0207     if (ret)
0208         goto out;
0209 
0210     for (i = 1; i < nr_members; i++) {
0211         if (i != idx) {
0212             ret = field_cmp(fields_a[i], fields_b[i]);
0213             if (ret)
0214                 goto out;
0215         }
0216     }
0217 
0218 out:
0219     free(fields_a);
0220     free(fields_b);
0221 
0222     return ret;
0223 }
0224 
0225 static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
0226                hpp_field_fn get_field)
0227 {
0228     s64 ret;
0229     int i, nr_members;
0230     struct evsel *evsel;
0231     u64 *fields_a, *fields_b;
0232 
0233     if (symbol_conf.group_sort_idx && symbol_conf.event_group) {
0234         return __hpp__group_sort_idx(a, b, get_field,
0235                          symbol_conf.group_sort_idx);
0236     }
0237 
0238     ret = field_cmp(get_field(a), get_field(b));
0239     if (ret || !symbol_conf.event_group)
0240         return ret;
0241 
0242     evsel = hists_to_evsel(a->hists);
0243     if (!evsel__is_group_event(evsel))
0244         return ret;
0245 
0246     nr_members = evsel->core.nr_members;
0247     i = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
0248     if (i)
0249         goto out;
0250 
0251     for (i = 1; i < nr_members; i++) {
0252         ret = field_cmp(fields_a[i], fields_b[i]);
0253         if (ret)
0254             break;
0255     }
0256 
0257 out:
0258     free(fields_a);
0259     free(fields_b);
0260 
0261     return ret;
0262 }
0263 
0264 static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
0265                hpp_field_fn get_field)
0266 {
0267     s64 ret = 0;
0268 
0269     if (symbol_conf.cumulate_callchain) {
0270         /*
0271          * Put caller above callee when they have equal period.
0272          */
0273         ret = field_cmp(get_field(a), get_field(b));
0274         if (ret)
0275             return ret;
0276 
0277         if (a->thread != b->thread || !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
0278             return 0;
0279 
0280         ret = b->callchain->max_depth - a->callchain->max_depth;
0281         if (callchain_param.order == ORDER_CALLER)
0282             ret = -ret;
0283     }
0284     return ret;
0285 }
0286 
0287 static int hpp__width_fn(struct perf_hpp_fmt *fmt,
0288              struct perf_hpp *hpp __maybe_unused,
0289              struct hists *hists)
0290 {
0291     int len = fmt->user_len ?: fmt->len;
0292     struct evsel *evsel = hists_to_evsel(hists);
0293 
0294     if (symbol_conf.event_group)
0295         len = max(len, evsel->core.nr_members * fmt->len);
0296 
0297     if (len < (int)strlen(fmt->name))
0298         len = strlen(fmt->name);
0299 
0300     return len;
0301 }
0302 
0303 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
0304               struct hists *hists, int line __maybe_unused,
0305               int *span __maybe_unused)
0306 {
0307     int len = hpp__width_fn(fmt, hpp, hists);
0308     return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
0309 }
0310 
0311 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
0312 {
0313     va_list args;
0314     ssize_t ssize = hpp->size;
0315     double percent;
0316     int ret, len;
0317 
0318     va_start(args, fmt);
0319     len = va_arg(args, int);
0320     percent = va_arg(args, double);
0321     ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
0322     va_end(args);
0323 
0324     return (ret >= ssize) ? (ssize - 1) : ret;
0325 }
0326 
0327 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
0328 {
0329     va_list args;
0330     ssize_t ssize = hpp->size;
0331     int ret;
0332 
0333     va_start(args, fmt);
0334     ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
0335     va_end(args);
0336 
0337     return (ret >= ssize) ? (ssize - 1) : ret;
0338 }
0339 
0340 #define __HPP_COLOR_PERCENT_FN(_type, _field)                   \
0341 static u64 he_get_##_field(struct hist_entry *he)               \
0342 {                                       \
0343     return he->stat._field;                         \
0344 }                                       \
0345                                         \
0346 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,             \
0347                   struct perf_hpp *hpp, struct hist_entry *he)  \
0348 {                                       \
0349     return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",      \
0350             hpp_color_scnprintf, true);             \
0351 }
0352 
0353 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                   \
0354 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,             \
0355                   struct perf_hpp *hpp, struct hist_entry *he)  \
0356 {                                       \
0357     return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",      \
0358             hpp_entry_scnprintf, true);             \
0359 }
0360 
0361 #define __HPP_SORT_FN(_type, _field)                        \
0362 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,   \
0363                  struct hist_entry *a, struct hist_entry *b)    \
0364 {                                       \
0365     return __hpp__sort(a, b, he_get_##_field);              \
0366 }
0367 
0368 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)               \
0369 static u64 he_get_acc_##_field(struct hist_entry *he)               \
0370 {                                       \
0371     return he->stat_acc->_field;                        \
0372 }                                       \
0373                                         \
0374 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,             \
0375                   struct perf_hpp *hpp, struct hist_entry *he)  \
0376 {                                       \
0377     return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",  \
0378                 hpp_color_scnprintf, true);             \
0379 }
0380 
0381 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)               \
0382 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,             \
0383                   struct perf_hpp *hpp, struct hist_entry *he)  \
0384 {                                       \
0385     return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",  \
0386                 hpp_entry_scnprintf, true);             \
0387 }
0388 
0389 #define __HPP_SORT_ACC_FN(_type, _field)                    \
0390 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,   \
0391                  struct hist_entry *a, struct hist_entry *b)    \
0392 {                                       \
0393     return __hpp__sort_acc(a, b, he_get_acc_##_field);          \
0394 }
0395 
0396 #define __HPP_ENTRY_RAW_FN(_type, _field)                   \
0397 static u64 he_get_raw_##_field(struct hist_entry *he)               \
0398 {                                       \
0399     return he->stat._field;                         \
0400 }                                       \
0401                                         \
0402 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,             \
0403                   struct perf_hpp *hpp, struct hist_entry *he)  \
0404 {                                       \
0405     return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,     \
0406             hpp_entry_scnprintf, false);                \
0407 }
0408 
0409 #define __HPP_SORT_RAW_FN(_type, _field)                    \
0410 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,   \
0411                  struct hist_entry *a, struct hist_entry *b)    \
0412 {                                       \
0413     return __hpp__sort(a, b, he_get_raw_##_field);              \
0414 }
0415 
0416 
0417 #define HPP_PERCENT_FNS(_type, _field)                  \
0418 __HPP_COLOR_PERCENT_FN(_type, _field)                   \
0419 __HPP_ENTRY_PERCENT_FN(_type, _field)                   \
0420 __HPP_SORT_FN(_type, _field)
0421 
0422 #define HPP_PERCENT_ACC_FNS(_type, _field)              \
0423 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)               \
0424 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)               \
0425 __HPP_SORT_ACC_FN(_type, _field)
0426 
0427 #define HPP_RAW_FNS(_type, _field)                  \
0428 __HPP_ENTRY_RAW_FN(_type, _field)                   \
0429 __HPP_SORT_RAW_FN(_type, _field)
0430 
0431 HPP_PERCENT_FNS(overhead, period)
0432 HPP_PERCENT_FNS(overhead_sys, period_sys)
0433 HPP_PERCENT_FNS(overhead_us, period_us)
0434 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
0435 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
0436 HPP_PERCENT_ACC_FNS(overhead_acc, period)
0437 
0438 HPP_RAW_FNS(samples, nr_events)
0439 HPP_RAW_FNS(period, period)
0440 
0441 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
0442                 struct hist_entry *a __maybe_unused,
0443                 struct hist_entry *b __maybe_unused)
0444 {
0445     return 0;
0446 }
0447 
0448 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
0449 {
0450     return a->header == hpp__header_fn;
0451 }
0452 
0453 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
0454 {
0455     if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
0456         return false;
0457 
0458     return a->idx == b->idx;
0459 }
0460 
0461 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)      \
0462     {                       \
0463         .name   = _name,            \
0464         .header = hpp__header_fn,       \
0465         .width  = hpp__width_fn,        \
0466         .color  = hpp__color_ ## _fn,       \
0467         .entry  = hpp__entry_ ## _fn,       \
0468         .cmp    = hpp__nop_cmp,         \
0469         .collapse = hpp__nop_cmp,       \
0470         .sort   = hpp__sort_ ## _fn,        \
0471         .idx    = PERF_HPP__ ## _idx,       \
0472         .equal  = hpp__equal,           \
0473     }
0474 
0475 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)  \
0476     {                       \
0477         .name   = _name,            \
0478         .header = hpp__header_fn,       \
0479         .width  = hpp__width_fn,        \
0480         .color  = hpp__color_ ## _fn,       \
0481         .entry  = hpp__entry_ ## _fn,       \
0482         .cmp    = hpp__nop_cmp,         \
0483         .collapse = hpp__nop_cmp,       \
0484         .sort   = hpp__sort_ ## _fn,        \
0485         .idx    = PERF_HPP__ ## _idx,       \
0486         .equal  = hpp__equal,           \
0487     }
0488 
0489 #define HPP__PRINT_FNS(_name, _fn, _idx)        \
0490     {                       \
0491         .name   = _name,            \
0492         .header = hpp__header_fn,       \
0493         .width  = hpp__width_fn,        \
0494         .entry  = hpp__entry_ ## _fn,       \
0495         .cmp    = hpp__nop_cmp,         \
0496         .collapse = hpp__nop_cmp,       \
0497         .sort   = hpp__sort_ ## _fn,        \
0498         .idx    = PERF_HPP__ ## _idx,       \
0499         .equal  = hpp__equal,           \
0500     }
0501 
0502 struct perf_hpp_fmt perf_hpp__format[] = {
0503     HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
0504     HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
0505     HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
0506     HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
0507     HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
0508     HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
0509     HPP__PRINT_FNS("Samples", samples, SAMPLES),
0510     HPP__PRINT_FNS("Period", period, PERIOD)
0511 };
0512 
0513 struct perf_hpp_list perf_hpp_list = {
0514     .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
0515     .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
0516     .nr_header_lines = 1,
0517 };
0518 
0519 #undef HPP__COLOR_PRINT_FNS
0520 #undef HPP__COLOR_ACC_PRINT_FNS
0521 #undef HPP__PRINT_FNS
0522 
0523 #undef HPP_PERCENT_FNS
0524 #undef HPP_PERCENT_ACC_FNS
0525 #undef HPP_RAW_FNS
0526 
0527 #undef __HPP_HEADER_FN
0528 #undef __HPP_WIDTH_FN
0529 #undef __HPP_COLOR_PERCENT_FN
0530 #undef __HPP_ENTRY_PERCENT_FN
0531 #undef __HPP_COLOR_ACC_PERCENT_FN
0532 #undef __HPP_ENTRY_ACC_PERCENT_FN
0533 #undef __HPP_ENTRY_RAW_FN
0534 #undef __HPP_SORT_FN
0535 #undef __HPP_SORT_ACC_FN
0536 #undef __HPP_SORT_RAW_FN
0537 
0538 static void fmt_free(struct perf_hpp_fmt *fmt)
0539 {
0540     /*
0541      * At this point fmt should be completely
0542      * unhooked, if not it's a bug.
0543      */
0544     BUG_ON(!list_empty(&fmt->list));
0545     BUG_ON(!list_empty(&fmt->sort_list));
0546 
0547     if (fmt->free)
0548         fmt->free(fmt);
0549 }
0550 
0551 void perf_hpp__init(void)
0552 {
0553     int i;
0554 
0555     for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
0556         struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
0557 
0558         INIT_LIST_HEAD(&fmt->list);
0559 
0560         /* sort_list may be linked by setup_sorting() */
0561         if (fmt->sort_list.next == NULL)
0562             INIT_LIST_HEAD(&fmt->sort_list);
0563     }
0564 
0565     /*
0566      * If user specified field order, no need to setup default fields.
0567      */
0568     if (is_strict_order(field_order))
0569         return;
0570 
0571     if (symbol_conf.cumulate_callchain) {
0572         hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
0573         perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
0574     }
0575 
0576     hpp_dimension__add_output(PERF_HPP__OVERHEAD);
0577 
0578     if (symbol_conf.show_cpu_utilization) {
0579         hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
0580         hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
0581 
0582         if (perf_guest) {
0583             hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
0584             hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
0585         }
0586     }
0587 
0588     if (symbol_conf.show_nr_samples)
0589         hpp_dimension__add_output(PERF_HPP__SAMPLES);
0590 
0591     if (symbol_conf.show_total_period)
0592         hpp_dimension__add_output(PERF_HPP__PERIOD);
0593 }
0594 
0595 void perf_hpp_list__column_register(struct perf_hpp_list *list,
0596                     struct perf_hpp_fmt *format)
0597 {
0598     list_add_tail(&format->list, &list->fields);
0599 }
0600 
0601 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
0602                     struct perf_hpp_fmt *format)
0603 {
0604     list_add_tail(&format->sort_list, &list->sorts);
0605 }
0606 
0607 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
0608                        struct perf_hpp_fmt *format)
0609 {
0610     list_add(&format->sort_list, &list->sorts);
0611 }
0612 
0613 static void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
0614 {
0615     list_del_init(&format->list);
0616     fmt_free(format);
0617 }
0618 
0619 void perf_hpp__cancel_cumulate(void)
0620 {
0621     struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
0622 
0623     if (is_strict_order(field_order))
0624         return;
0625 
0626     ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
0627     acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
0628 
0629     perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
0630         if (acc->equal(acc, fmt)) {
0631             perf_hpp__column_unregister(fmt);
0632             continue;
0633         }
0634 
0635         if (ovh->equal(ovh, fmt))
0636             fmt->name = "Overhead";
0637     }
0638 }
0639 
0640 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
0641 {
0642     return a->equal && a->equal(a, b);
0643 }
0644 
0645 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
0646 {
0647     struct perf_hpp_fmt *fmt;
0648 
0649     /* append sort keys to output field */
0650     perf_hpp_list__for_each_sort_list(list, fmt) {
0651         struct perf_hpp_fmt *pos;
0652 
0653         /* skip sort-only fields ("sort_compute" in perf diff) */
0654         if (!fmt->entry && !fmt->color)
0655             continue;
0656 
0657         perf_hpp_list__for_each_format(list, pos) {
0658             if (fmt_equal(fmt, pos))
0659                 goto next;
0660         }
0661 
0662         perf_hpp__column_register(fmt);
0663 next:
0664         continue;
0665     }
0666 }
0667 
0668 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
0669 {
0670     struct perf_hpp_fmt *fmt;
0671 
0672     /* append output fields to sort keys */
0673     perf_hpp_list__for_each_format(list, fmt) {
0674         struct perf_hpp_fmt *pos;
0675 
0676         perf_hpp_list__for_each_sort_list(list, pos) {
0677             if (fmt_equal(fmt, pos))
0678                 goto next;
0679         }
0680 
0681         perf_hpp__register_sort_field(fmt);
0682 next:
0683         continue;
0684     }
0685 }
0686 
0687 
0688 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
0689 {
0690     struct perf_hpp_fmt *fmt, *tmp;
0691 
0692     /* reset output fields */
0693     perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
0694         list_del_init(&fmt->list);
0695         list_del_init(&fmt->sort_list);
0696         fmt_free(fmt);
0697     }
0698 
0699     /* reset sort keys */
0700     perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
0701         list_del_init(&fmt->list);
0702         list_del_init(&fmt->sort_list);
0703         fmt_free(fmt);
0704     }
0705 }
0706 
0707 /*
0708  * See hists__fprintf to match the column widths
0709  */
0710 unsigned int hists__sort_list_width(struct hists *hists)
0711 {
0712     struct perf_hpp_fmt *fmt;
0713     int ret = 0;
0714     bool first = true;
0715     struct perf_hpp dummy_hpp;
0716 
0717     hists__for_each_format(hists, fmt) {
0718         if (perf_hpp__should_skip(fmt, hists))
0719             continue;
0720 
0721         if (first)
0722             first = false;
0723         else
0724             ret += 2;
0725 
0726         ret += fmt->width(fmt, &dummy_hpp, hists);
0727     }
0728 
0729     if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
0730         ret += 3 + BITS_PER_LONG / 4;
0731 
0732     return ret;
0733 }
0734 
0735 unsigned int hists__overhead_width(struct hists *hists)
0736 {
0737     struct perf_hpp_fmt *fmt;
0738     int ret = 0;
0739     bool first = true;
0740     struct perf_hpp dummy_hpp;
0741 
0742     hists__for_each_format(hists, fmt) {
0743         if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
0744             break;
0745 
0746         if (first)
0747             first = false;
0748         else
0749             ret += 2;
0750 
0751         ret += fmt->width(fmt, &dummy_hpp, hists);
0752     }
0753 
0754     return ret;
0755 }
0756 
0757 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
0758 {
0759     if (perf_hpp__is_sort_entry(fmt))
0760         return perf_hpp__reset_sort_width(fmt, hists);
0761 
0762     if (perf_hpp__is_dynamic_entry(fmt))
0763         return;
0764 
0765     BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
0766 
0767     switch (fmt->idx) {
0768     case PERF_HPP__OVERHEAD:
0769     case PERF_HPP__OVERHEAD_SYS:
0770     case PERF_HPP__OVERHEAD_US:
0771     case PERF_HPP__OVERHEAD_ACC:
0772         fmt->len = 8;
0773         break;
0774 
0775     case PERF_HPP__OVERHEAD_GUEST_SYS:
0776     case PERF_HPP__OVERHEAD_GUEST_US:
0777         fmt->len = 9;
0778         break;
0779 
0780     case PERF_HPP__SAMPLES:
0781     case PERF_HPP__PERIOD:
0782         fmt->len = 12;
0783         break;
0784 
0785     default:
0786         break;
0787     }
0788 }
0789 
0790 void hists__reset_column_width(struct hists *hists)
0791 {
0792     struct perf_hpp_fmt *fmt;
0793     struct perf_hpp_list_node *node;
0794 
0795     hists__for_each_format(hists, fmt)
0796         perf_hpp__reset_width(fmt, hists);
0797 
0798     /* hierarchy entries have their own hpp list */
0799     list_for_each_entry(node, &hists->hpp_formats, list) {
0800         perf_hpp_list__for_each_format(&node->hpp, fmt)
0801             perf_hpp__reset_width(fmt, hists);
0802     }
0803 }
0804 
0805 void perf_hpp__set_user_width(const char *width_list_str)
0806 {
0807     struct perf_hpp_fmt *fmt;
0808     const char *ptr = width_list_str;
0809 
0810     perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
0811         char *p;
0812 
0813         int len = strtol(ptr, &p, 10);
0814         fmt->user_len = len;
0815 
0816         if (*p == ',')
0817             ptr = p + 1;
0818         else
0819             break;
0820     }
0821 }
0822 
0823 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
0824 {
0825     struct perf_hpp_list_node *node = NULL;
0826     struct perf_hpp_fmt *fmt_copy;
0827     bool found = false;
0828     bool skip = perf_hpp__should_skip(fmt, hists);
0829 
0830     list_for_each_entry(node, &hists->hpp_formats, list) {
0831         if (node->level == fmt->level) {
0832             found = true;
0833             break;
0834         }
0835     }
0836 
0837     if (!found) {
0838         node = malloc(sizeof(*node));
0839         if (node == NULL)
0840             return -1;
0841 
0842         node->skip = skip;
0843         node->level = fmt->level;
0844         perf_hpp_list__init(&node->hpp);
0845 
0846         hists->nr_hpp_node++;
0847         list_add_tail(&node->list, &hists->hpp_formats);
0848     }
0849 
0850     fmt_copy = perf_hpp_fmt__dup(fmt);
0851     if (fmt_copy == NULL)
0852         return -1;
0853 
0854     if (!skip)
0855         node->skip = false;
0856 
0857     list_add_tail(&fmt_copy->list, &node->hpp.fields);
0858     list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
0859 
0860     return 0;
0861 }
0862 
0863 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
0864                   struct evlist *evlist)
0865 {
0866     struct evsel *evsel;
0867     struct perf_hpp_fmt *fmt;
0868     struct hists *hists;
0869     int ret;
0870 
0871     if (!symbol_conf.report_hierarchy)
0872         return 0;
0873 
0874     evlist__for_each_entry(evlist, evsel) {
0875         hists = evsel__hists(evsel);
0876 
0877         perf_hpp_list__for_each_sort_list(list, fmt) {
0878             if (perf_hpp__is_dynamic_entry(fmt) &&
0879                 !perf_hpp__defined_dynamic_entry(fmt, hists))
0880                 continue;
0881 
0882             ret = add_hierarchy_fmt(hists, fmt);
0883             if (ret < 0)
0884                 return ret;
0885         }
0886     }
0887 
0888     return 0;
0889 }
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