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1// SPDX-License-Identifier: GPL-2.0
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),
38 { .name = NULL, }
39 };
40#undef bit_name
41 __p_bits(buf, size, value, bits);
42}
43
44static 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
59static 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) \
81do { \
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
90int 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}
1// SPDX-License-Identifier: GPL-2.0
2#include <inttypes.h>
3#include <stdio.h>
4#include <stdlib.h>
5#include <stdbool.h>
6#include <linux/kernel.h>
7#include <linux/types.h>
8#include <linux/perf_event.h>
9#include "util/evsel_fprintf.h"
10#include "trace-event.h"
11
12struct bit_names {
13 int bit;
14 const char *name;
15};
16
17static void __p_bits(char *buf, size_t size, u64 value, struct bit_names *bits)
18{
19 bool first_bit = true;
20 int i = 0;
21
22 do {
23 if (value & bits[i].bit) {
24 buf += scnprintf(buf, size, "%s%s", first_bit ? "" : "|", bits[i].name);
25 first_bit = false;
26 }
27 } while (bits[++i].name != NULL);
28}
29
30static void __p_sample_type(char *buf, size_t size, u64 value)
31{
32#define bit_name(n) { PERF_SAMPLE_##n, #n }
33 struct bit_names bits[] = {
34 bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR),
35 bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU),
36 bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW),
37 bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER),
38 bit_name(IDENTIFIER), bit_name(REGS_INTR), bit_name(DATA_SRC),
39 bit_name(WEIGHT), bit_name(PHYS_ADDR), bit_name(AUX),
40 bit_name(CGROUP), bit_name(DATA_PAGE_SIZE), bit_name(CODE_PAGE_SIZE),
41 bit_name(WEIGHT_STRUCT),
42 { .name = NULL, }
43 };
44#undef bit_name
45 __p_bits(buf, size, value, bits);
46}
47
48static void __p_branch_sample_type(char *buf, size_t size, u64 value)
49{
50#define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n }
51 struct bit_names bits[] = {
52 bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY),
53 bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL),
54 bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX),
55 bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP),
56 bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES),
57 bit_name(TYPE_SAVE), bit_name(HW_INDEX), bit_name(PRIV_SAVE),
58 bit_name(COUNTERS),
59 { .name = NULL, }
60 };
61#undef bit_name
62 __p_bits(buf, size, value, bits);
63}
64
65static void __p_read_format(char *buf, size_t size, u64 value)
66{
67#define bit_name(n) { PERF_FORMAT_##n, #n }
68 struct bit_names bits[] = {
69 bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING),
70 bit_name(ID), bit_name(GROUP), bit_name(LOST),
71 { .name = NULL, }
72 };
73#undef bit_name
74 __p_bits(buf, size, value, bits);
75}
76
77#define ENUM_ID_TO_STR_CASE(x) case x: return (#x);
78static const char *stringify_perf_type_id(u64 value)
79{
80 switch (value) {
81 ENUM_ID_TO_STR_CASE(PERF_TYPE_HARDWARE)
82 ENUM_ID_TO_STR_CASE(PERF_TYPE_SOFTWARE)
83 ENUM_ID_TO_STR_CASE(PERF_TYPE_TRACEPOINT)
84 ENUM_ID_TO_STR_CASE(PERF_TYPE_HW_CACHE)
85 ENUM_ID_TO_STR_CASE(PERF_TYPE_RAW)
86 ENUM_ID_TO_STR_CASE(PERF_TYPE_BREAKPOINT)
87 default:
88 return NULL;
89 }
90}
91
92static const char *stringify_perf_hw_id(u64 value)
93{
94 switch (value) {
95 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CPU_CYCLES)
96 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_INSTRUCTIONS)
97 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_REFERENCES)
98 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_MISSES)
99 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_BRANCH_INSTRUCTIONS)
100 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_BRANCH_MISSES)
101 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_BUS_CYCLES)
102 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_STALLED_CYCLES_FRONTEND)
103 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_STALLED_CYCLES_BACKEND)
104 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_REF_CPU_CYCLES)
105 default:
106 return NULL;
107 }
108}
109
110static const char *stringify_perf_hw_cache_id(u64 value)
111{
112 switch (value) {
113 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_L1D)
114 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_L1I)
115 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_LL)
116 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_DTLB)
117 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_ITLB)
118 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_BPU)
119 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_NODE)
120 default:
121 return NULL;
122 }
123}
124
125static const char *stringify_perf_hw_cache_op_id(u64 value)
126{
127 switch (value) {
128 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_OP_READ)
129 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_OP_WRITE)
130 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_OP_PREFETCH)
131 default:
132 return NULL;
133 }
134}
135
136static const char *stringify_perf_hw_cache_op_result_id(u64 value)
137{
138 switch (value) {
139 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_RESULT_ACCESS)
140 ENUM_ID_TO_STR_CASE(PERF_COUNT_HW_CACHE_RESULT_MISS)
141 default:
142 return NULL;
143 }
144}
145
146static const char *stringify_perf_sw_id(u64 value)
147{
148 switch (value) {
149 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CPU_CLOCK)
150 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_TASK_CLOCK)
151 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_PAGE_FAULTS)
152 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CONTEXT_SWITCHES)
153 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CPU_MIGRATIONS)
154 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_PAGE_FAULTS_MIN)
155 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_PAGE_FAULTS_MAJ)
156 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_ALIGNMENT_FAULTS)
157 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_EMULATION_FAULTS)
158 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_DUMMY)
159 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_BPF_OUTPUT)
160 ENUM_ID_TO_STR_CASE(PERF_COUNT_SW_CGROUP_SWITCHES)
161 default:
162 return NULL;
163 }
164}
165#undef ENUM_ID_TO_STR_CASE
166
167#define PRINT_ID(_s, _f) \
168do { \
169 const char *__s = _s; \
170 if (__s == NULL) \
171 snprintf(buf, size, _f, value); \
172 else \
173 snprintf(buf, size, _f" (%s)", value, __s); \
174} while (0)
175#define print_id_unsigned(_s) PRINT_ID(_s, "%"PRIu64)
176#define print_id_hex(_s) PRINT_ID(_s, "%#"PRIx64)
177
178static void __p_type_id(char *buf, size_t size, u64 value)
179{
180 print_id_unsigned(stringify_perf_type_id(value));
181}
182
183static void __p_config_hw_id(char *buf, size_t size, u64 value)
184{
185 print_id_hex(stringify_perf_hw_id(value));
186}
187
188static void __p_config_sw_id(char *buf, size_t size, u64 value)
189{
190 print_id_hex(stringify_perf_sw_id(value));
191}
192
193static void __p_config_hw_cache_id(char *buf, size_t size, u64 value)
194{
195 const char *hw_cache_str = stringify_perf_hw_cache_id(value & 0xff);
196 const char *hw_cache_op_str =
197 stringify_perf_hw_cache_op_id((value & 0xff00) >> 8);
198 const char *hw_cache_op_result_str =
199 stringify_perf_hw_cache_op_result_id((value & 0xff0000) >> 16);
200
201 if (hw_cache_str == NULL || hw_cache_op_str == NULL ||
202 hw_cache_op_result_str == NULL) {
203 snprintf(buf, size, "%#"PRIx64, value);
204 } else {
205 snprintf(buf, size, "%#"PRIx64" (%s | %s | %s)", value,
206 hw_cache_op_result_str, hw_cache_op_str, hw_cache_str);
207 }
208}
209
210#ifdef HAVE_LIBTRACEEVENT
211static void __p_config_tracepoint_id(char *buf, size_t size, u64 value)
212{
213 char *str = tracepoint_id_to_name(value);
214
215 print_id_hex(str);
216 free(str);
217}
218#endif
219
220static void __p_config_id(char *buf, size_t size, u32 type, u64 value)
221{
222 switch (type) {
223 case PERF_TYPE_HARDWARE:
224 return __p_config_hw_id(buf, size, value);
225 case PERF_TYPE_SOFTWARE:
226 return __p_config_sw_id(buf, size, value);
227 case PERF_TYPE_HW_CACHE:
228 return __p_config_hw_cache_id(buf, size, value);
229 case PERF_TYPE_TRACEPOINT:
230#ifdef HAVE_LIBTRACEEVENT
231 return __p_config_tracepoint_id(buf, size, value);
232#endif
233 case PERF_TYPE_RAW:
234 case PERF_TYPE_BREAKPOINT:
235 default:
236 snprintf(buf, size, "%#"PRIx64, value);
237 return;
238 }
239}
240
241#define BUF_SIZE 1024
242
243#define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val))
244#define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val))
245#define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val))
246#define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val)
247#define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val)
248#define p_read_format(val) __p_read_format(buf, BUF_SIZE, val)
249#define p_type_id(val) __p_type_id(buf, BUF_SIZE, val)
250#define p_config_id(val) __p_config_id(buf, BUF_SIZE, attr->type, val)
251
252#define PRINT_ATTRn(_n, _f, _p, _a) \
253do { \
254 if (_a || attr->_f) { \
255 _p(attr->_f); \
256 ret += attr__fprintf(fp, _n, buf, priv);\
257 } \
258} while (0)
259
260#define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p, false)
261
262int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
263 attr__fprintf_f attr__fprintf, void *priv)
264{
265 char buf[BUF_SIZE];
266 int ret = 0;
267
268 PRINT_ATTRn("type", type, p_type_id, true);
269 PRINT_ATTRf(size, p_unsigned);
270 PRINT_ATTRn("config", config, p_config_id, true);
271 PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned, false);
272 PRINT_ATTRf(sample_type, p_sample_type);
273 PRINT_ATTRf(read_format, p_read_format);
274
275 PRINT_ATTRf(disabled, p_unsigned);
276 PRINT_ATTRf(inherit, p_unsigned);
277 PRINT_ATTRf(pinned, p_unsigned);
278 PRINT_ATTRf(exclusive, p_unsigned);
279 PRINT_ATTRf(exclude_user, p_unsigned);
280 PRINT_ATTRf(exclude_kernel, p_unsigned);
281 PRINT_ATTRf(exclude_hv, p_unsigned);
282 PRINT_ATTRf(exclude_idle, p_unsigned);
283 PRINT_ATTRf(mmap, p_unsigned);
284 PRINT_ATTRf(comm, p_unsigned);
285 PRINT_ATTRf(freq, p_unsigned);
286 PRINT_ATTRf(inherit_stat, p_unsigned);
287 PRINT_ATTRf(enable_on_exec, p_unsigned);
288 PRINT_ATTRf(task, p_unsigned);
289 PRINT_ATTRf(watermark, p_unsigned);
290 PRINT_ATTRf(precise_ip, p_unsigned);
291 PRINT_ATTRf(mmap_data, p_unsigned);
292 PRINT_ATTRf(sample_id_all, p_unsigned);
293 PRINT_ATTRf(exclude_host, p_unsigned);
294 PRINT_ATTRf(exclude_guest, p_unsigned);
295 PRINT_ATTRf(exclude_callchain_kernel, p_unsigned);
296 PRINT_ATTRf(exclude_callchain_user, p_unsigned);
297 PRINT_ATTRf(mmap2, p_unsigned);
298 PRINT_ATTRf(comm_exec, p_unsigned);
299 PRINT_ATTRf(use_clockid, p_unsigned);
300 PRINT_ATTRf(context_switch, p_unsigned);
301 PRINT_ATTRf(write_backward, p_unsigned);
302 PRINT_ATTRf(namespaces, p_unsigned);
303 PRINT_ATTRf(ksymbol, p_unsigned);
304 PRINT_ATTRf(bpf_event, p_unsigned);
305 PRINT_ATTRf(aux_output, p_unsigned);
306 PRINT_ATTRf(cgroup, p_unsigned);
307 PRINT_ATTRf(text_poke, p_unsigned);
308 PRINT_ATTRf(build_id, p_unsigned);
309 PRINT_ATTRf(inherit_thread, p_unsigned);
310 PRINT_ATTRf(remove_on_exec, p_unsigned);
311 PRINT_ATTRf(sigtrap, p_unsigned);
312
313 PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned, false);
314 PRINT_ATTRf(bp_type, p_unsigned);
315 PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex, false);
316 PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex, false);
317 PRINT_ATTRf(branch_sample_type, p_branch_sample_type);
318 PRINT_ATTRf(sample_regs_user, p_hex);
319 PRINT_ATTRf(sample_stack_user, p_unsigned);
320 PRINT_ATTRf(clockid, p_signed);
321 PRINT_ATTRf(sample_regs_intr, p_hex);
322 PRINT_ATTRf(aux_watermark, p_unsigned);
323 PRINT_ATTRf(sample_max_stack, p_unsigned);
324 PRINT_ATTRf(aux_sample_size, p_unsigned);
325 PRINT_ATTRf(sig_data, p_unsigned);
326
327 return ret;
328}