Merge tag 'linux-kselftest-next-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel...
[platform/kernel/linux-starfive.git] / tools / perf / util / event.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_RECORD_H
3 #define __PERF_RECORD_H
4 /*
5  * The linux/stddef.h isn't need here, but is needed for __always_inline used
6  * in files included from uapi/linux/perf_event.h such as
7  * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h,
8  * detected in at least musl libc, used in Alpine Linux. -acme
9  */
10 #include <stdio.h>
11 #include <linux/stddef.h>
12 #include <perf/event.h>
13 #include <linux/types.h>
14
15 struct dso;
16 struct machine;
17 struct perf_event_attr;
18 struct perf_sample;
19
20 #ifdef __LP64__
21 /*
22  * /usr/include/inttypes.h uses just 'lu' for PRIu64, but we end up defining
23  * __u64 as long long unsigned int, and then -Werror=format= kicks in and
24  * complains of the mismatched types, so use these two special extra PRI
25  * macros to overcome that.
26  */
27 #define PRI_lu64 "l" PRIu64
28 #define PRI_lx64 "l" PRIx64
29 #define PRI_ld64 "l" PRId64
30 #else
31 #define PRI_lu64 PRIu64
32 #define PRI_lx64 PRIx64
33 #define PRI_ld64 PRId64
34 #endif
35
36 #define PERF_SAMPLE_MASK                                \
37         (PERF_SAMPLE_IP | PERF_SAMPLE_TID |             \
38          PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |          \
39         PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |        \
40          PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD |         \
41          PERF_SAMPLE_IDENTIFIER)
42
43 /* perf sample has 16 bits size limit */
44 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
45
46 struct ip_callchain {
47         u64 nr;
48         u64 ips[];
49 };
50
51 struct branch_stack;
52
53 enum {
54         PERF_IP_FLAG_BRANCH             = 1ULL << 0,
55         PERF_IP_FLAG_CALL               = 1ULL << 1,
56         PERF_IP_FLAG_RETURN             = 1ULL << 2,
57         PERF_IP_FLAG_CONDITIONAL        = 1ULL << 3,
58         PERF_IP_FLAG_SYSCALLRET         = 1ULL << 4,
59         PERF_IP_FLAG_ASYNC              = 1ULL << 5,
60         PERF_IP_FLAG_INTERRUPT          = 1ULL << 6,
61         PERF_IP_FLAG_TX_ABORT           = 1ULL << 7,
62         PERF_IP_FLAG_TRACE_BEGIN        = 1ULL << 8,
63         PERF_IP_FLAG_TRACE_END          = 1ULL << 9,
64         PERF_IP_FLAG_IN_TX              = 1ULL << 10,
65         PERF_IP_FLAG_VMENTRY            = 1ULL << 11,
66         PERF_IP_FLAG_VMEXIT             = 1ULL << 12,
67         PERF_IP_FLAG_INTR_DISABLE       = 1ULL << 13,
68         PERF_IP_FLAG_INTR_TOGGLE        = 1ULL << 14,
69 };
70
71 #define PERF_IP_FLAG_CHARS "bcrosyiABExghDt"
72
73 #define PERF_BRANCH_MASK                (\
74         PERF_IP_FLAG_BRANCH             |\
75         PERF_IP_FLAG_CALL               |\
76         PERF_IP_FLAG_RETURN             |\
77         PERF_IP_FLAG_CONDITIONAL        |\
78         PERF_IP_FLAG_SYSCALLRET         |\
79         PERF_IP_FLAG_ASYNC              |\
80         PERF_IP_FLAG_INTERRUPT          |\
81         PERF_IP_FLAG_TX_ABORT           |\
82         PERF_IP_FLAG_TRACE_BEGIN        |\
83         PERF_IP_FLAG_TRACE_END          |\
84         PERF_IP_FLAG_VMENTRY            |\
85         PERF_IP_FLAG_VMEXIT)
86
87 #define PERF_MEM_DATA_SRC_NONE \
88         (PERF_MEM_S(OP, NA) |\
89          PERF_MEM_S(LVL, NA) |\
90          PERF_MEM_S(SNOOP, NA) |\
91          PERF_MEM_S(LOCK, NA) |\
92          PERF_MEM_S(TLB, NA) |\
93          PERF_MEM_S(LVLNUM, NA))
94
95 /* Attribute type for custom synthesized events */
96 #define PERF_TYPE_SYNTH         (INT_MAX + 1U)
97
98 /* Attribute config for custom synthesized events */
99 enum perf_synth_id {
100         PERF_SYNTH_INTEL_PTWRITE,
101         PERF_SYNTH_INTEL_MWAIT,
102         PERF_SYNTH_INTEL_PWRE,
103         PERF_SYNTH_INTEL_EXSTOP,
104         PERF_SYNTH_INTEL_PWRX,
105         PERF_SYNTH_INTEL_CBR,
106         PERF_SYNTH_INTEL_PSB,
107         PERF_SYNTH_INTEL_EVT,
108         PERF_SYNTH_INTEL_IFLAG_CHG,
109 };
110
111 /*
112  * Raw data formats for synthesized events. Note that 4 bytes of padding are
113  * present to match the 'size' member of PERF_SAMPLE_RAW data which is always
114  * 8-byte aligned. That means we must dereference raw_data with an offset of 4.
115  * Refer perf_sample__synth_ptr() and perf_synth__raw_data().  It also means the
116  * structure sizes are 4 bytes bigger than the raw_size, refer
117  * perf_synth__raw_size().
118  */
119
120 struct perf_synth_intel_ptwrite {
121         u32 padding;
122         union {
123                 struct {
124                         u32     ip              :  1,
125                                 reserved        : 31;
126                 };
127                 u32     flags;
128         };
129         u64     payload;
130 };
131
132 struct perf_synth_intel_mwait {
133         u32 padding;
134         u32 reserved;
135         union {
136                 struct {
137                         u64     hints           :  8,
138                                 reserved1       : 24,
139                                 extensions      :  2,
140                                 reserved2       : 30;
141                 };
142                 u64     payload;
143         };
144 };
145
146 struct perf_synth_intel_pwre {
147         u32 padding;
148         u32 reserved;
149         union {
150                 struct {
151                         u64     reserved1       :  7,
152                                 hw              :  1,
153                                 subcstate       :  4,
154                                 cstate          :  4,
155                                 reserved2       : 48;
156                 };
157                 u64     payload;
158         };
159 };
160
161 struct perf_synth_intel_exstop {
162         u32 padding;
163         union {
164                 struct {
165                         u32     ip              :  1,
166                                 reserved        : 31;
167                 };
168                 u32     flags;
169         };
170 };
171
172 struct perf_synth_intel_pwrx {
173         u32 padding;
174         u32 reserved;
175         union {
176                 struct {
177                         u64     deepest_cstate  :  4,
178                                 last_cstate     :  4,
179                                 wake_reason     :  4,
180                                 reserved1       : 52;
181                 };
182                 u64     payload;
183         };
184 };
185
186 struct perf_synth_intel_cbr {
187         u32 padding;
188         union {
189                 struct {
190                         u32     cbr             :  8,
191                                 reserved1       :  8,
192                                 max_nonturbo    :  8,
193                                 reserved2       :  8;
194                 };
195                 u32     flags;
196         };
197         u32 freq;
198         u32 reserved3;
199 };
200
201 struct perf_synth_intel_psb {
202         u32 padding;
203         u32 reserved;
204         u64 offset;
205 };
206
207 struct perf_synth_intel_evd {
208         union {
209                 struct {
210                         u8      evd_type;
211                         u8      reserved[7];
212                 };
213                 u64     et;
214         };
215         u64     payload;
216 };
217
218 /* Intel PT Event Trace */
219 struct perf_synth_intel_evt {
220         u32 padding;
221         union {
222                 struct {
223                         u32     type            :  5,
224                                 reserved        :  2,
225                                 ip              :  1,
226                                 vector          :  8,
227                                 evd_cnt         : 16;
228                 };
229                 u32     cfe;
230         };
231         struct perf_synth_intel_evd evd[0];
232 };
233
234 struct perf_synth_intel_iflag_chg {
235         u32 padding;
236         union {
237                 struct {
238                         u32     iflag           :  1,
239                                 via_branch      :  1;
240                 };
241                 u32     flags;
242         };
243         u64     branch_ip; /* If via_branch */
244 };
245
246 static inline void *perf_synth__raw_data(void *p)
247 {
248         return p + 4;
249 }
250
251 #define perf_synth__raw_size(d) (sizeof(d) - 4)
252
253 #define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)
254
255 enum {
256         PERF_STAT_ROUND_TYPE__INTERVAL  = 0,
257         PERF_STAT_ROUND_TYPE__FINAL     = 1,
258 };
259
260 void perf_event__print_totals(void);
261
262 struct perf_cpu_map;
263 struct perf_record_stat_config;
264 struct perf_stat_config;
265 struct perf_tool;
266
267 void perf_event__read_stat_config(struct perf_stat_config *config,
268                                   struct perf_record_stat_config *event);
269
270 int perf_event__process_comm(struct perf_tool *tool,
271                              union perf_event *event,
272                              struct perf_sample *sample,
273                              struct machine *machine);
274 int perf_event__process_lost(struct perf_tool *tool,
275                              union perf_event *event,
276                              struct perf_sample *sample,
277                              struct machine *machine);
278 int perf_event__process_lost_samples(struct perf_tool *tool,
279                                      union perf_event *event,
280                                      struct perf_sample *sample,
281                                      struct machine *machine);
282 int perf_event__process_aux(struct perf_tool *tool,
283                             union perf_event *event,
284                             struct perf_sample *sample,
285                             struct machine *machine);
286 int perf_event__process_itrace_start(struct perf_tool *tool,
287                                      union perf_event *event,
288                                      struct perf_sample *sample,
289                                      struct machine *machine);
290 int perf_event__process_aux_output_hw_id(struct perf_tool *tool,
291                                          union perf_event *event,
292                                          struct perf_sample *sample,
293                                          struct machine *machine);
294 int perf_event__process_switch(struct perf_tool *tool,
295                                union perf_event *event,
296                                struct perf_sample *sample,
297                                struct machine *machine);
298 int perf_event__process_namespaces(struct perf_tool *tool,
299                                    union perf_event *event,
300                                    struct perf_sample *sample,
301                                    struct machine *machine);
302 int perf_event__process_cgroup(struct perf_tool *tool,
303                                union perf_event *event,
304                                struct perf_sample *sample,
305                                struct machine *machine);
306 int perf_event__process_mmap(struct perf_tool *tool,
307                              union perf_event *event,
308                              struct perf_sample *sample,
309                              struct machine *machine);
310 int perf_event__process_mmap2(struct perf_tool *tool,
311                              union perf_event *event,
312                              struct perf_sample *sample,
313                              struct machine *machine);
314 int perf_event__process_fork(struct perf_tool *tool,
315                              union perf_event *event,
316                              struct perf_sample *sample,
317                              struct machine *machine);
318 int perf_event__process_exit(struct perf_tool *tool,
319                              union perf_event *event,
320                              struct perf_sample *sample,
321                              struct machine *machine);
322 int perf_event__process_ksymbol(struct perf_tool *tool,
323                                 union perf_event *event,
324                                 struct perf_sample *sample,
325                                 struct machine *machine);
326 int perf_event__process_bpf(struct perf_tool *tool,
327                             union perf_event *event,
328                             struct perf_sample *sample,
329                             struct machine *machine);
330 int perf_event__process_text_poke(struct perf_tool *tool,
331                                   union perf_event *event,
332                                   struct perf_sample *sample,
333                                   struct machine *machine);
334 int perf_event__process(struct perf_tool *tool,
335                         union perf_event *event,
336                         struct perf_sample *sample,
337                         struct machine *machine);
338
339 bool is_bts_event(struct perf_event_attr *attr);
340 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
341
342 const char *perf_event__name(unsigned int id);
343
344 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
345 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
346 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
347 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
348 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
349 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
350 size_t perf_event__fprintf_aux_output_hw_id(union perf_event *event, FILE *fp);
351 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
352 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
353 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
354 size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
355 size_t perf_event__fprintf_cgroup(union perf_event *event, FILE *fp);
356 size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp);
357 size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp);
358 size_t perf_event__fprintf_text_poke(union perf_event *event, struct machine *machine,FILE *fp);
359 size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FILE *fp);
360
361 int kallsyms__get_function_start(const char *kallsyms_filename,
362                                  const char *symbol_name, u64 *addr);
363 int kallsyms__get_symbol_start(const char *kallsyms_filename,
364                                const char *symbol_name, u64 *addr);
365
366 void event_attr_init(struct perf_event_attr *attr);
367
368 int perf_event_paranoid(void);
369 bool perf_event_paranoid_check(int max_level);
370
371 extern int sysctl_perf_event_max_stack;
372 extern int sysctl_perf_event_max_contexts_per_stack;
373 extern unsigned int proc_map_timeout;
374
375 #define PAGE_SIZE_NAME_LEN      32
376 char *get_page_size_name(u64 size, char *str);
377
378 void arch_perf_parse_sample_weight(struct perf_sample *data, const __u64 *array, u64 type);
379 void arch_perf_synthesize_sample_weight(const struct perf_sample *data, __u64 *array, u64 type);
380 const char *arch_perf_header_entry(const char *se_header);
381 int arch_support_sort_key(const char *sort_key);
382
383 static inline bool perf_event_header__cpumode_is_guest(u8 cpumode)
384 {
385         return cpumode == PERF_RECORD_MISC_GUEST_KERNEL ||
386                cpumode == PERF_RECORD_MISC_GUEST_USER;
387 }
388
389 static inline bool perf_event_header__misc_is_guest(u16 misc)
390 {
391         return perf_event_header__cpumode_is_guest(misc & PERF_RECORD_MISC_CPUMODE_MASK);
392 }
393
394 static inline bool perf_event_header__is_guest(const struct perf_event_header *header)
395 {
396         return perf_event_header__misc_is_guest(header->misc);
397 }
398
399 static inline bool perf_event__is_guest(const union perf_event *event)
400 {
401         return perf_event_header__is_guest(&event->header);
402 }
403
404 #endif /* __PERF_RECORD_H */