This source file includes following definitions.
- __p_bits
- __p_sample_type
- __p_branch_sample_type
- __p_read_format
- perf_event_attr__fprintf
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
10 struct bit_names {
11 int bit;
12 const char *name;
13 };
14
15 static 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
28 static 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),
38 { .name = NULL, }
39 };
40 #undef bit_name
41 __p_bits(buf, size, value, bits);
42 }
43
44 static void __p_branch_sample_type(char *buf, size_t size, u64 value)
45 {
46 #define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n }
47 struct bit_names bits[] = {
48 bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY),
49 bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL),
50 bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX),
51 bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP),
52 bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES),
53 { .name = NULL, }
54 };
55 #undef bit_name
56 __p_bits(buf, size, value, bits);
57 }
58
59 static void __p_read_format(char *buf, size_t size, u64 value)
60 {
61 #define bit_name(n) { PERF_FORMAT_##n, #n }
62 struct bit_names bits[] = {
63 bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING),
64 bit_name(ID), bit_name(GROUP),
65 { .name = NULL, }
66 };
67 #undef bit_name
68 __p_bits(buf, size, value, bits);
69 }
70
71 #define BUF_SIZE 1024
72
73 #define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val))
74 #define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val))
75 #define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val))
76 #define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val)
77 #define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val)
78 #define p_read_format(val) __p_read_format(buf, BUF_SIZE, val)
79
80 #define PRINT_ATTRn(_n, _f, _p) \
81 do { \
82 if (attr->_f) { \
83 _p(attr->_f); \
84 ret += attr__fprintf(fp, _n, buf, priv);\
85 } \
86 } while (0)
87
88 #define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p)
89
90 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
91 attr__fprintf_f attr__fprintf, void *priv)
92 {
93 char buf[BUF_SIZE];
94 int ret = 0;
95
96 PRINT_ATTRf(type, p_unsigned);
97 PRINT_ATTRf(size, p_unsigned);
98 PRINT_ATTRf(config, p_hex);
99 PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned);
100 PRINT_ATTRf(sample_type, p_sample_type);
101 PRINT_ATTRf(read_format, p_read_format);
102
103 PRINT_ATTRf(disabled, p_unsigned);
104 PRINT_ATTRf(inherit, p_unsigned);
105 PRINT_ATTRf(pinned, p_unsigned);
106 PRINT_ATTRf(exclusive, p_unsigned);
107 PRINT_ATTRf(exclude_user, p_unsigned);
108 PRINT_ATTRf(exclude_kernel, p_unsigned);
109 PRINT_ATTRf(exclude_hv, p_unsigned);
110 PRINT_ATTRf(exclude_idle, p_unsigned);
111 PRINT_ATTRf(mmap, p_unsigned);
112 PRINT_ATTRf(comm, p_unsigned);
113 PRINT_ATTRf(freq, p_unsigned);
114 PRINT_ATTRf(inherit_stat, p_unsigned);
115 PRINT_ATTRf(enable_on_exec, p_unsigned);
116 PRINT_ATTRf(task, p_unsigned);
117 PRINT_ATTRf(watermark, p_unsigned);
118 PRINT_ATTRf(precise_ip, p_unsigned);
119 PRINT_ATTRf(mmap_data, p_unsigned);
120 PRINT_ATTRf(sample_id_all, p_unsigned);
121 PRINT_ATTRf(exclude_host, p_unsigned);
122 PRINT_ATTRf(exclude_guest, p_unsigned);
123 PRINT_ATTRf(exclude_callchain_kernel, p_unsigned);
124 PRINT_ATTRf(exclude_callchain_user, p_unsigned);
125 PRINT_ATTRf(mmap2, p_unsigned);
126 PRINT_ATTRf(comm_exec, p_unsigned);
127 PRINT_ATTRf(use_clockid, p_unsigned);
128 PRINT_ATTRf(context_switch, p_unsigned);
129 PRINT_ATTRf(write_backward, p_unsigned);
130 PRINT_ATTRf(namespaces, p_unsigned);
131 PRINT_ATTRf(ksymbol, p_unsigned);
132 PRINT_ATTRf(bpf_event, p_unsigned);
133 PRINT_ATTRf(aux_output, p_unsigned);
134
135 PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned);
136 PRINT_ATTRf(bp_type, p_unsigned);
137 PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex);
138 PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex);
139 PRINT_ATTRf(branch_sample_type, p_branch_sample_type);
140 PRINT_ATTRf(sample_regs_user, p_hex);
141 PRINT_ATTRf(sample_stack_user, p_unsigned);
142 PRINT_ATTRf(clockid, p_signed);
143 PRINT_ATTRf(sample_regs_intr, p_hex);
144 PRINT_ATTRf(aux_watermark, p_unsigned);
145 PRINT_ATTRf(sample_max_stack, p_unsigned);
146
147 return ret;
148 }