1
2#include <inttypes.h>
3#include <stdio.h>
4#include <stdbool.h>
5#include <linux/kernel.h>
6#include <linux/types.h>
7#include <linux/perf_event.h>
8#include "util/evsel_fprintf.h"
9
10struct bit_names {
11 int bit;
12 const char *name;
13};
14
15static void __p_bits(char *buf, size_t size, u64 value, struct bit_names *bits)
16{
17 bool first_bit = true;
18 int i = 0;
19
20 do {
21 if (value & bits[i].bit) {
22 buf += scnprintf(buf, size, "%s%s", first_bit ? "" : "|", bits[i].name);
23 first_bit = false;
24 }
25 } while (bits[++i].name != NULL);
26}
27
28static void __p_sample_type(char *buf, size_t size, u64 value)
29{
30#define bit_name(n) { PERF_SAMPLE_##n, #n }
31 struct bit_names bits[] = {
32 bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR),
33 bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU),
34 bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW),
35 bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER),
36 bit_name(IDENTIFIER), bit_name(REGS_INTR), bit_name(DATA_SRC),
37 bit_name(WEIGHT), bit_name(PHYS_ADDR), bit_name(AUX),
38 bit_name(CGROUP), bit_name(DATA_PAGE_SIZE), bit_name(CODE_PAGE_SIZE),
39 bit_name(WEIGHT_STRUCT),
40 { .name = NULL, }
41 };
42#undef bit_name
43 __p_bits(buf, size, value, bits);
44}
45
46static void __p_branch_sample_type(char *buf, size_t size, u64 value)
47{
48#define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n }
49 struct bit_names bits[] = {
50 bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY),
51 bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL),
52 bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX),
53 bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP),
54 bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES),
55 bit_name(HW_INDEX),
56 { .name = NULL, }
57 };
58#undef bit_name
59 __p_bits(buf, size, value, bits);
60}
61
62static void __p_read_format(char *buf, size_t size, u64 value)
63{
64#define bit_name(n) { PERF_FORMAT_##n, #n }
65 struct bit_names bits[] = {
66 bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING),
67 bit_name(ID), bit_name(GROUP),
68 { .name = NULL, }
69 };
70#undef bit_name
71 __p_bits(buf, size, value, bits);
72}
73
74#define BUF_SIZE 1024
75
76#define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val))
77#define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val))
78#define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val))
79#define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val)
80#define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val)
81#define p_read_format(val) __p_read_format(buf, BUF_SIZE, val)
82
83#define PRINT_ATTRn(_n, _f, _p) \
84do { \
85 if (attr->_f) { \
86 _p(attr->_f); \
87 ret += attr__fprintf(fp, _n, buf, priv);\
88 } \
89} while (0)
90
91#define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p)
92
93int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
94 attr__fprintf_f attr__fprintf, void *priv)
95{
96 char buf[BUF_SIZE];
97 int ret = 0;
98
99 PRINT_ATTRf(type, p_unsigned);
100 PRINT_ATTRf(size, p_unsigned);
101 PRINT_ATTRf(config, p_hex);
102 PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned);
103 PRINT_ATTRf(sample_type, p_sample_type);
104 PRINT_ATTRf(read_format, p_read_format);
105
106 PRINT_ATTRf(disabled, p_unsigned);
107 PRINT_ATTRf(inherit, p_unsigned);
108 PRINT_ATTRf(pinned, p_unsigned);
109 PRINT_ATTRf(exclusive, p_unsigned);
110 PRINT_ATTRf(exclude_user, p_unsigned);
111 PRINT_ATTRf(exclude_kernel, p_unsigned);
112 PRINT_ATTRf(exclude_hv, p_unsigned);
113 PRINT_ATTRf(exclude_idle, p_unsigned);
114 PRINT_ATTRf(mmap, p_unsigned);
115 PRINT_ATTRf(comm, p_unsigned);
116 PRINT_ATTRf(freq, p_unsigned);
117 PRINT_ATTRf(inherit_stat, p_unsigned);
118 PRINT_ATTRf(enable_on_exec, p_unsigned);
119 PRINT_ATTRf(task, p_unsigned);
120 PRINT_ATTRf(watermark, p_unsigned);
121 PRINT_ATTRf(precise_ip, p_unsigned);
122 PRINT_ATTRf(mmap_data, p_unsigned);
123 PRINT_ATTRf(sample_id_all, p_unsigned);
124 PRINT_ATTRf(exclude_host, p_unsigned);
125 PRINT_ATTRf(exclude_guest, p_unsigned);
126 PRINT_ATTRf(exclude_callchain_kernel, p_unsigned);
127 PRINT_ATTRf(exclude_callchain_user, p_unsigned);
128 PRINT_ATTRf(mmap2, p_unsigned);
129 PRINT_ATTRf(comm_exec, p_unsigned);
130 PRINT_ATTRf(use_clockid, p_unsigned);
131 PRINT_ATTRf(context_switch, p_unsigned);
132 PRINT_ATTRf(write_backward, p_unsigned);
133 PRINT_ATTRf(namespaces, p_unsigned);
134 PRINT_ATTRf(ksymbol, p_unsigned);
135 PRINT_ATTRf(bpf_event, p_unsigned);
136 PRINT_ATTRf(aux_output, p_unsigned);
137 PRINT_ATTRf(cgroup, p_unsigned);
138 PRINT_ATTRf(text_poke, p_unsigned);
139 PRINT_ATTRf(build_id, p_unsigned);
140
141 PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned);
142 PRINT_ATTRf(bp_type, p_unsigned);
143 PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex);
144 PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex);
145 PRINT_ATTRf(branch_sample_type, p_branch_sample_type);
146 PRINT_ATTRf(sample_regs_user, p_hex);
147 PRINT_ATTRf(sample_stack_user, p_unsigned);
148 PRINT_ATTRf(clockid, p_signed);
149 PRINT_ATTRf(sample_regs_intr, p_hex);
150 PRINT_ATTRf(aux_watermark, p_unsigned);
151 PRINT_ATTRf(sample_max_stack, p_unsigned);
152 PRINT_ATTRf(aux_sample_size, p_unsigned);
153 PRINT_ATTRf(text_poke, p_unsigned);
154
155 return ret;
156}
157
