0001
0002 #include <inttypes.h>
0003 #include <stdio.h>
0004 #include <stdbool.h>
0005 #include <linux/kernel.h>
0006 #include <linux/types.h>
0007 #include <linux/perf_event.h>
0008 #include "util/evsel_fprintf.h"
0009
0010 struct bit_names {
0011 int bit;
0012 const char *name;
0013 };
0014
0015 static void __p_bits(char *buf, size_t size, u64 value, struct bit_names *bits)
0016 {
0017 bool first_bit = true;
0018 int i = 0;
0019
0020 do {
0021 if (value & bits[i].bit) {
0022 buf += scnprintf(buf, size, "%s%s", first_bit ? "" : "|", bits[i].name);
0023 first_bit = false;
0024 }
0025 } while (bits[++i].name != NULL);
0026 }
0027
0028 static void __p_sample_type(char *buf, size_t size, u64 value)
0029 {
0030 #define bit_name(n) { PERF_SAMPLE_##n, #n }
0031 struct bit_names bits[] = {
0032 bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR),
0033 bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU),
0034 bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW),
0035 bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER),
0036 bit_name(IDENTIFIER), bit_name(REGS_INTR), bit_name(DATA_SRC),
0037 bit_name(WEIGHT), bit_name(PHYS_ADDR), bit_name(AUX),
0038 bit_name(CGROUP), bit_name(DATA_PAGE_SIZE), bit_name(CODE_PAGE_SIZE),
0039 bit_name(WEIGHT_STRUCT),
0040 { .name = NULL, }
0041 };
0042 #undef bit_name
0043 __p_bits(buf, size, value, bits);
0044 }
0045
0046 static void __p_branch_sample_type(char *buf, size_t size, u64 value)
0047 {
0048 #define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n }
0049 struct bit_names bits[] = {
0050 bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY),
0051 bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL),
0052 bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX),
0053 bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP),
0054 bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES),
0055 bit_name(TYPE_SAVE), bit_name(HW_INDEX),
0056 { .name = NULL, }
0057 };
0058 #undef bit_name
0059 __p_bits(buf, size, value, bits);
0060 }
0061
0062 static void __p_read_format(char *buf, size_t size, u64 value)
0063 {
0064 #define bit_name(n) { PERF_FORMAT_##n, #n }
0065 struct bit_names bits[] = {
0066 bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING),
0067 bit_name(ID), bit_name(GROUP),
0068 { .name = NULL, }
0069 };
0070 #undef bit_name
0071 __p_bits(buf, size, value, bits);
0072 }
0073
0074 #define BUF_SIZE 1024
0075
0076 #define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val))
0077 #define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val))
0078 #define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val))
0079 #define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val)
0080 #define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val)
0081 #define p_read_format(val) __p_read_format(buf, BUF_SIZE, val)
0082
0083 #define PRINT_ATTRn(_n, _f, _p) \
0084 do { \
0085 if (attr->_f) { \
0086 _p(attr->_f); \
0087 ret += attr__fprintf(fp, _n, buf, priv);\
0088 } \
0089 } while (0)
0090
0091 #define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p)
0092
0093 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
0094 attr__fprintf_f attr__fprintf, void *priv)
0095 {
0096 char buf[BUF_SIZE];
0097 int ret = 0;
0098
0099 PRINT_ATTRf(type, p_unsigned);
0100 PRINT_ATTRf(size, p_unsigned);
0101 PRINT_ATTRf(config, p_hex);
0102 PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned);
0103 PRINT_ATTRf(sample_type, p_sample_type);
0104 PRINT_ATTRf(read_format, p_read_format);
0105
0106 PRINT_ATTRf(disabled, p_unsigned);
0107 PRINT_ATTRf(inherit, p_unsigned);
0108 PRINT_ATTRf(pinned, p_unsigned);
0109 PRINT_ATTRf(exclusive, p_unsigned);
0110 PRINT_ATTRf(exclude_user, p_unsigned);
0111 PRINT_ATTRf(exclude_kernel, p_unsigned);
0112 PRINT_ATTRf(exclude_hv, p_unsigned);
0113 PRINT_ATTRf(exclude_idle, p_unsigned);
0114 PRINT_ATTRf(mmap, p_unsigned);
0115 PRINT_ATTRf(comm, p_unsigned);
0116 PRINT_ATTRf(freq, p_unsigned);
0117 PRINT_ATTRf(inherit_stat, p_unsigned);
0118 PRINT_ATTRf(enable_on_exec, p_unsigned);
0119 PRINT_ATTRf(task, p_unsigned);
0120 PRINT_ATTRf(watermark, p_unsigned);
0121 PRINT_ATTRf(precise_ip, p_unsigned);
0122 PRINT_ATTRf(mmap_data, p_unsigned);
0123 PRINT_ATTRf(sample_id_all, p_unsigned);
0124 PRINT_ATTRf(exclude_host, p_unsigned);
0125 PRINT_ATTRf(exclude_guest, p_unsigned);
0126 PRINT_ATTRf(exclude_callchain_kernel, p_unsigned);
0127 PRINT_ATTRf(exclude_callchain_user, p_unsigned);
0128 PRINT_ATTRf(mmap2, p_unsigned);
0129 PRINT_ATTRf(comm_exec, p_unsigned);
0130 PRINT_ATTRf(use_clockid, p_unsigned);
0131 PRINT_ATTRf(context_switch, p_unsigned);
0132 PRINT_ATTRf(write_backward, p_unsigned);
0133 PRINT_ATTRf(namespaces, p_unsigned);
0134 PRINT_ATTRf(ksymbol, p_unsigned);
0135 PRINT_ATTRf(bpf_event, p_unsigned);
0136 PRINT_ATTRf(aux_output, p_unsigned);
0137 PRINT_ATTRf(cgroup, p_unsigned);
0138 PRINT_ATTRf(text_poke, p_unsigned);
0139 PRINT_ATTRf(build_id, p_unsigned);
0140 PRINT_ATTRf(inherit_thread, p_unsigned);
0141 PRINT_ATTRf(remove_on_exec, p_unsigned);
0142 PRINT_ATTRf(sigtrap, p_unsigned);
0143
0144 PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned);
0145 PRINT_ATTRf(bp_type, p_unsigned);
0146 PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex);
0147 PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex);
0148 PRINT_ATTRf(branch_sample_type, p_branch_sample_type);
0149 PRINT_ATTRf(sample_regs_user, p_hex);
0150 PRINT_ATTRf(sample_stack_user, p_unsigned);
0151 PRINT_ATTRf(clockid, p_signed);
0152 PRINT_ATTRf(sample_regs_intr, p_hex);
0153 PRINT_ATTRf(aux_watermark, p_unsigned);
0154 PRINT_ATTRf(sample_max_stack, p_unsigned);
0155 PRINT_ATTRf(aux_sample_size, p_unsigned);
0156 PRINT_ATTRf(sig_data, p_unsigned);
0157
0158 return ret;
0159 }
