2 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
4 * Parts came from builtin-{top,stat,record}.c, see those files for further
7 * Released under the GPL v2. (and only v2, not any later version)
16 #include "thread_map.h"
18 #include "../../../include/linux/hw_breakpoint.h"
20 #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
21 #define GROUP_FD(group_fd, cpu) (*(int *)xyarray__entry(group_fd, cpu, 0))
23 int __perf_evsel__sample_size(u64 sample_type
)
25 u64 mask
= sample_type
& PERF_SAMPLE_MASK
;
29 for (i
= 0; i
< 64; i
++) {
30 if (mask
& (1ULL << i
))
39 void hists__init(struct hists
*hists
)
41 memset(hists
, 0, sizeof(*hists
));
42 hists
->entries_in_array
[0] = hists
->entries_in_array
[1] = RB_ROOT
;
43 hists
->entries_in
= &hists
->entries_in_array
[0];
44 hists
->entries_collapsed
= RB_ROOT
;
45 hists
->entries
= RB_ROOT
;
46 pthread_mutex_init(&hists
->lock
, NULL
);
49 void perf_evsel__init(struct perf_evsel
*evsel
,
50 struct perf_event_attr
*attr
, int idx
)
54 INIT_LIST_HEAD(&evsel
->node
);
55 hists__init(&evsel
->hists
);
58 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
)
60 struct perf_evsel
*evsel
= zalloc(sizeof(*evsel
));
63 perf_evsel__init(evsel
, attr
, idx
);
68 static const char *perf_evsel__hw_names
[PERF_COUNT_HW_MAX
] = {
76 "stalled-cycles-frontend",
77 "stalled-cycles-backend",
81 static const char *__perf_evsel__hw_name(u64 config
)
83 if (config
< PERF_COUNT_HW_MAX
&& perf_evsel__hw_names
[config
])
84 return perf_evsel__hw_names
[config
];
86 return "unknown-hardware";
89 static int perf_evsel__add_modifiers(struct perf_evsel
*evsel
, char *bf
, size_t size
)
92 struct perf_event_attr
*attr
= &evsel
->attr
;
93 bool exclude_guest_default
= false;
95 #define MOD_PRINT(context, mod) do { \
96 if (!attr->exclude_##context) { \
97 if (!colon) colon = ++r; \
98 r += scnprintf(bf + r, size - r, "%c", mod); \
101 if (attr
->exclude_kernel
|| attr
->exclude_user
|| attr
->exclude_hv
) {
102 MOD_PRINT(kernel
, 'k');
103 MOD_PRINT(user
, 'u');
105 exclude_guest_default
= true;
108 if (attr
->precise_ip
) {
111 r
+= scnprintf(bf
+ r
, size
- r
, "%.*s", attr
->precise_ip
, "ppp");
112 exclude_guest_default
= true;
115 if (attr
->exclude_host
|| attr
->exclude_guest
== exclude_guest_default
) {
116 MOD_PRINT(host
, 'H');
117 MOD_PRINT(guest
, 'G');
125 static int perf_evsel__hw_name(struct perf_evsel
*evsel
, char *bf
, size_t size
)
127 int r
= scnprintf(bf
, size
, "%s", __perf_evsel__hw_name(evsel
->attr
.config
));
128 return r
+ perf_evsel__add_modifiers(evsel
, bf
+ r
, size
- r
);
131 static const char *perf_evsel__sw_names
[PERF_COUNT_SW_MAX
] = {
143 static const char *__perf_evsel__sw_name(u64 config
)
145 if (config
< PERF_COUNT_SW_MAX
&& perf_evsel__sw_names
[config
])
146 return perf_evsel__sw_names
[config
];
147 return "unknown-software";
150 static int perf_evsel__sw_name(struct perf_evsel
*evsel
, char *bf
, size_t size
)
152 int r
= scnprintf(bf
, size
, "%s", __perf_evsel__sw_name(evsel
->attr
.config
));
153 return r
+ perf_evsel__add_modifiers(evsel
, bf
+ r
, size
- r
);
156 static int __perf_evsel__bp_name(char *bf
, size_t size
, u64 addr
, u64 type
)
160 r
= scnprintf(bf
, size
, "mem:0x%" PRIx64
":", addr
);
162 if (type
& HW_BREAKPOINT_R
)
163 r
+= scnprintf(bf
+ r
, size
- r
, "r");
165 if (type
& HW_BREAKPOINT_W
)
166 r
+= scnprintf(bf
+ r
, size
- r
, "w");
168 if (type
& HW_BREAKPOINT_X
)
169 r
+= scnprintf(bf
+ r
, size
- r
, "x");
174 static int perf_evsel__bp_name(struct perf_evsel
*evsel
, char *bf
, size_t size
)
176 struct perf_event_attr
*attr
= &evsel
->attr
;
177 int r
= __perf_evsel__bp_name(bf
, size
, attr
->bp_addr
, attr
->bp_type
);
178 return r
+ perf_evsel__add_modifiers(evsel
, bf
+ r
, size
- r
);
181 const char *perf_evsel__hw_cache
[PERF_COUNT_HW_CACHE_MAX
]
182 [PERF_EVSEL__MAX_ALIASES
] = {
183 { "L1-dcache", "l1-d", "l1d", "L1-data", },
184 { "L1-icache", "l1-i", "l1i", "L1-instruction", },
186 { "dTLB", "d-tlb", "Data-TLB", },
187 { "iTLB", "i-tlb", "Instruction-TLB", },
188 { "branch", "branches", "bpu", "btb", "bpc", },
192 const char *perf_evsel__hw_cache_op
[PERF_COUNT_HW_CACHE_OP_MAX
]
193 [PERF_EVSEL__MAX_ALIASES
] = {
194 { "load", "loads", "read", },
195 { "store", "stores", "write", },
196 { "prefetch", "prefetches", "speculative-read", "speculative-load", },
199 const char *perf_evsel__hw_cache_result
[PERF_COUNT_HW_CACHE_RESULT_MAX
]
200 [PERF_EVSEL__MAX_ALIASES
] = {
201 { "refs", "Reference", "ops", "access", },
202 { "misses", "miss", },
205 #define C(x) PERF_COUNT_HW_CACHE_##x
206 #define CACHE_READ (1 << C(OP_READ))
207 #define CACHE_WRITE (1 << C(OP_WRITE))
208 #define CACHE_PREFETCH (1 << C(OP_PREFETCH))
209 #define COP(x) (1 << x)
212 * cache operartion stat
213 * L1I : Read and prefetch only
214 * ITLB and BPU : Read-only
216 static unsigned long perf_evsel__hw_cache_stat
[C(MAX
)] = {
217 [C(L1D
)] = (CACHE_READ
| CACHE_WRITE
| CACHE_PREFETCH
),
218 [C(L1I
)] = (CACHE_READ
| CACHE_PREFETCH
),
219 [C(LL
)] = (CACHE_READ
| CACHE_WRITE
| CACHE_PREFETCH
),
220 [C(DTLB
)] = (CACHE_READ
| CACHE_WRITE
| CACHE_PREFETCH
),
221 [C(ITLB
)] = (CACHE_READ
),
222 [C(BPU
)] = (CACHE_READ
),
223 [C(NODE
)] = (CACHE_READ
| CACHE_WRITE
| CACHE_PREFETCH
),
226 bool perf_evsel__is_cache_op_valid(u8 type
, u8 op
)
228 if (perf_evsel__hw_cache_stat
[type
] & COP(op
))
229 return true; /* valid */
231 return false; /* invalid */
234 int __perf_evsel__hw_cache_type_op_res_name(u8 type
, u8 op
, u8 result
,
235 char *bf
, size_t size
)
238 return scnprintf(bf
, size
, "%s-%s-%s", perf_evsel__hw_cache
[type
][0],
239 perf_evsel__hw_cache_op
[op
][0],
240 perf_evsel__hw_cache_result
[result
][0]);
243 return scnprintf(bf
, size
, "%s-%s", perf_evsel__hw_cache
[type
][0],
244 perf_evsel__hw_cache_op
[op
][1]);
247 static int __perf_evsel__hw_cache_name(u64 config
, char *bf
, size_t size
)
249 u8 op
, result
, type
= (config
>> 0) & 0xff;
250 const char *err
= "unknown-ext-hardware-cache-type";
252 if (type
> PERF_COUNT_HW_CACHE_MAX
)
255 op
= (config
>> 8) & 0xff;
256 err
= "unknown-ext-hardware-cache-op";
257 if (op
> PERF_COUNT_HW_CACHE_OP_MAX
)
260 result
= (config
>> 16) & 0xff;
261 err
= "unknown-ext-hardware-cache-result";
262 if (result
> PERF_COUNT_HW_CACHE_RESULT_MAX
)
265 err
= "invalid-cache";
266 if (!perf_evsel__is_cache_op_valid(type
, op
))
269 return __perf_evsel__hw_cache_type_op_res_name(type
, op
, result
, bf
, size
);
271 return scnprintf(bf
, size
, "%s", err
);
274 static int perf_evsel__hw_cache_name(struct perf_evsel
*evsel
, char *bf
, size_t size
)
276 int ret
= __perf_evsel__hw_cache_name(evsel
->attr
.config
, bf
, size
);
277 return ret
+ perf_evsel__add_modifiers(evsel
, bf
+ ret
, size
- ret
);
280 static int perf_evsel__raw_name(struct perf_evsel
*evsel
, char *bf
, size_t size
)
282 int ret
= scnprintf(bf
, size
, "raw 0x%" PRIx64
, evsel
->attr
.config
);
283 return ret
+ perf_evsel__add_modifiers(evsel
, bf
+ ret
, size
- ret
);
286 const char *perf_evsel__name(struct perf_evsel
*evsel
)
293 switch (evsel
->attr
.type
) {
295 perf_evsel__raw_name(evsel
, bf
, sizeof(bf
));
298 case PERF_TYPE_HARDWARE
:
299 perf_evsel__hw_name(evsel
, bf
, sizeof(bf
));
302 case PERF_TYPE_HW_CACHE
:
303 perf_evsel__hw_cache_name(evsel
, bf
, sizeof(bf
));
306 case PERF_TYPE_SOFTWARE
:
307 perf_evsel__sw_name(evsel
, bf
, sizeof(bf
));
310 case PERF_TYPE_TRACEPOINT
:
311 scnprintf(bf
, sizeof(bf
), "%s", "unknown tracepoint");
314 case PERF_TYPE_BREAKPOINT
:
315 perf_evsel__bp_name(evsel
, bf
, sizeof(bf
));
319 scnprintf(bf
, sizeof(bf
), "%s", "unknown attr type");
323 evsel
->name
= strdup(bf
);
325 return evsel
->name
?: "unknown";
328 void perf_evsel__config(struct perf_evsel
*evsel
, struct perf_record_opts
*opts
,
329 struct perf_evsel
*first
)
331 struct perf_event_attr
*attr
= &evsel
->attr
;
332 int track
= !evsel
->idx
; /* only the first counter needs these */
335 attr
->sample_id_all
= opts
->sample_id_all_missing
? 0 : 1;
336 attr
->inherit
= !opts
->no_inherit
;
337 attr
->read_format
= PERF_FORMAT_TOTAL_TIME_ENABLED
|
338 PERF_FORMAT_TOTAL_TIME_RUNNING
|
341 attr
->sample_type
|= PERF_SAMPLE_IP
| PERF_SAMPLE_TID
;
344 * We default some events to a 1 default interval. But keep
345 * it a weak assumption overridable by the user.
347 if (!attr
->sample_period
|| (opts
->user_freq
!= UINT_MAX
&&
348 opts
->user_interval
!= ULLONG_MAX
)) {
350 attr
->sample_type
|= PERF_SAMPLE_PERIOD
;
352 attr
->sample_freq
= opts
->freq
;
354 attr
->sample_period
= opts
->default_interval
;
358 if (opts
->no_samples
)
359 attr
->sample_freq
= 0;
361 if (opts
->inherit_stat
)
362 attr
->inherit_stat
= 1;
364 if (opts
->sample_address
) {
365 attr
->sample_type
|= PERF_SAMPLE_ADDR
;
366 attr
->mmap_data
= track
;
369 if (opts
->call_graph
)
370 attr
->sample_type
|= PERF_SAMPLE_CALLCHAIN
;
372 if (perf_target__has_cpu(&opts
->target
))
373 attr
->sample_type
|= PERF_SAMPLE_CPU
;
376 attr
->sample_type
|= PERF_SAMPLE_PERIOD
;
378 if (!opts
->sample_id_all_missing
&&
379 (opts
->sample_time
|| !opts
->no_inherit
||
380 perf_target__has_cpu(&opts
->target
)))
381 attr
->sample_type
|= PERF_SAMPLE_TIME
;
383 if (opts
->raw_samples
) {
384 attr
->sample_type
|= PERF_SAMPLE_TIME
;
385 attr
->sample_type
|= PERF_SAMPLE_RAW
;
386 attr
->sample_type
|= PERF_SAMPLE_CPU
;
389 if (opts
->no_delay
) {
391 attr
->wakeup_events
= 1;
393 if (opts
->branch_stack
) {
394 attr
->sample_type
|= PERF_SAMPLE_BRANCH_STACK
;
395 attr
->branch_sample_type
= opts
->branch_stack
;
401 if (perf_target__none(&opts
->target
) &&
402 (!opts
->group
|| evsel
== first
)) {
403 attr
->enable_on_exec
= 1;
407 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
)
410 evsel
->fd
= xyarray__new(ncpus
, nthreads
, sizeof(int));
413 for (cpu
= 0; cpu
< ncpus
; cpu
++) {
414 for (thread
= 0; thread
< nthreads
; thread
++) {
415 FD(evsel
, cpu
, thread
) = -1;
420 return evsel
->fd
!= NULL
? 0 : -ENOMEM
;
423 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
)
425 evsel
->sample_id
= xyarray__new(ncpus
, nthreads
, sizeof(struct perf_sample_id
));
426 if (evsel
->sample_id
== NULL
)
429 evsel
->id
= zalloc(ncpus
* nthreads
* sizeof(u64
));
430 if (evsel
->id
== NULL
) {
431 xyarray__delete(evsel
->sample_id
);
432 evsel
->sample_id
= NULL
;
439 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
)
441 evsel
->counts
= zalloc((sizeof(*evsel
->counts
) +
442 (ncpus
* sizeof(struct perf_counts_values
))));
443 return evsel
->counts
!= NULL
? 0 : -ENOMEM
;
446 void perf_evsel__free_fd(struct perf_evsel
*evsel
)
448 xyarray__delete(evsel
->fd
);
452 void perf_evsel__free_id(struct perf_evsel
*evsel
)
454 xyarray__delete(evsel
->sample_id
);
455 evsel
->sample_id
= NULL
;
460 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
)
464 for (cpu
= 0; cpu
< ncpus
; cpu
++)
465 for (thread
= 0; thread
< nthreads
; ++thread
) {
466 close(FD(evsel
, cpu
, thread
));
467 FD(evsel
, cpu
, thread
) = -1;
471 void perf_evsel__exit(struct perf_evsel
*evsel
)
473 assert(list_empty(&evsel
->node
));
474 xyarray__delete(evsel
->fd
);
475 xyarray__delete(evsel
->sample_id
);
479 void perf_evsel__delete(struct perf_evsel
*evsel
)
481 perf_evsel__exit(evsel
);
482 close_cgroup(evsel
->cgrp
);
487 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
488 int cpu
, int thread
, bool scale
)
490 struct perf_counts_values count
;
491 size_t nv
= scale
? 3 : 1;
493 if (FD(evsel
, cpu
, thread
) < 0)
496 if (evsel
->counts
== NULL
&& perf_evsel__alloc_counts(evsel
, cpu
+ 1) < 0)
499 if (readn(FD(evsel
, cpu
, thread
), &count
, nv
* sizeof(u64
)) < 0)
505 else if (count
.run
< count
.ena
)
506 count
.val
= (u64
)((double)count
.val
* count
.ena
/ count
.run
+ 0.5);
508 count
.ena
= count
.run
= 0;
510 evsel
->counts
->cpu
[cpu
] = count
;
514 int __perf_evsel__read(struct perf_evsel
*evsel
,
515 int ncpus
, int nthreads
, bool scale
)
517 size_t nv
= scale
? 3 : 1;
519 struct perf_counts_values
*aggr
= &evsel
->counts
->aggr
, count
;
521 aggr
->val
= aggr
->ena
= aggr
->run
= 0;
523 for (cpu
= 0; cpu
< ncpus
; cpu
++) {
524 for (thread
= 0; thread
< nthreads
; thread
++) {
525 if (FD(evsel
, cpu
, thread
) < 0)
528 if (readn(FD(evsel
, cpu
, thread
),
529 &count
, nv
* sizeof(u64
)) < 0)
532 aggr
->val
+= count
.val
;
534 aggr
->ena
+= count
.ena
;
535 aggr
->run
+= count
.run
;
540 evsel
->counts
->scaled
= 0;
542 if (aggr
->run
== 0) {
543 evsel
->counts
->scaled
= -1;
548 if (aggr
->run
< aggr
->ena
) {
549 evsel
->counts
->scaled
= 1;
550 aggr
->val
= (u64
)((double)aggr
->val
* aggr
->ena
/ aggr
->run
+ 0.5);
553 aggr
->ena
= aggr
->run
= 0;
558 static int __perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
559 struct thread_map
*threads
, bool group
,
560 struct xyarray
*group_fds
)
563 unsigned long flags
= 0;
566 if (evsel
->fd
== NULL
&&
567 perf_evsel__alloc_fd(evsel
, cpus
->nr
, threads
->nr
) < 0)
571 flags
= PERF_FLAG_PID_CGROUP
;
572 pid
= evsel
->cgrp
->fd
;
575 for (cpu
= 0; cpu
< cpus
->nr
; cpu
++) {
576 int group_fd
= group_fds
? GROUP_FD(group_fds
, cpu
) : -1;
578 for (thread
= 0; thread
< threads
->nr
; thread
++) {
581 pid
= threads
->map
[thread
];
583 FD(evsel
, cpu
, thread
) = sys_perf_event_open(&evsel
->attr
,
587 if (FD(evsel
, cpu
, thread
) < 0) {
592 if (group
&& group_fd
== -1)
593 group_fd
= FD(evsel
, cpu
, thread
);
601 while (--thread
>= 0) {
602 close(FD(evsel
, cpu
, thread
));
603 FD(evsel
, cpu
, thread
) = -1;
605 thread
= threads
->nr
;
606 } while (--cpu
>= 0);
610 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
)
612 if (evsel
->fd
== NULL
)
615 perf_evsel__close_fd(evsel
, ncpus
, nthreads
);
616 perf_evsel__free_fd(evsel
);
629 struct thread_map map
;
631 } empty_thread_map
= {
636 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
637 struct thread_map
*threads
, bool group
,
638 struct xyarray
*group_fd
)
641 /* Work around old compiler warnings about strict aliasing */
642 cpus
= &empty_cpu_map
.map
;
646 threads
= &empty_thread_map
.map
;
648 return __perf_evsel__open(evsel
, cpus
, threads
, group
, group_fd
);
651 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
652 struct cpu_map
*cpus
, bool group
,
653 struct xyarray
*group_fd
)
655 return __perf_evsel__open(evsel
, cpus
, &empty_thread_map
.map
, group
,
659 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
660 struct thread_map
*threads
, bool group
,
661 struct xyarray
*group_fd
)
663 return __perf_evsel__open(evsel
, &empty_cpu_map
.map
, threads
, group
,
667 static int perf_event__parse_id_sample(const union perf_event
*event
, u64 type
,
668 struct perf_sample
*sample
,
671 const u64
*array
= event
->sample
.array
;
674 array
+= ((event
->header
.size
-
675 sizeof(event
->header
)) / sizeof(u64
)) - 1;
677 if (type
& PERF_SAMPLE_CPU
) {
680 /* undo swap of u64, then swap on individual u32s */
681 u
.val64
= bswap_64(u
.val64
);
682 u
.val32
[0] = bswap_32(u
.val32
[0]);
685 sample
->cpu
= u
.val32
[0];
689 if (type
& PERF_SAMPLE_STREAM_ID
) {
690 sample
->stream_id
= *array
;
694 if (type
& PERF_SAMPLE_ID
) {
699 if (type
& PERF_SAMPLE_TIME
) {
700 sample
->time
= *array
;
704 if (type
& PERF_SAMPLE_TID
) {
707 /* undo swap of u64, then swap on individual u32s */
708 u
.val64
= bswap_64(u
.val64
);
709 u
.val32
[0] = bswap_32(u
.val32
[0]);
710 u
.val32
[1] = bswap_32(u
.val32
[1]);
713 sample
->pid
= u
.val32
[0];
714 sample
->tid
= u
.val32
[1];
720 static bool sample_overlap(const union perf_event
*event
,
721 const void *offset
, u64 size
)
723 const void *base
= event
;
725 if (offset
+ size
> base
+ event
->header
.size
)
731 int perf_event__parse_sample(const union perf_event
*event
, u64 type
,
732 int sample_size
, bool sample_id_all
,
733 struct perf_sample
*data
, bool swapped
)
738 * used for cross-endian analysis. See git commit 65014ab3
739 * for why this goofiness is needed.
743 memset(data
, 0, sizeof(*data
));
744 data
->cpu
= data
->pid
= data
->tid
= -1;
745 data
->stream_id
= data
->id
= data
->time
= -1ULL;
748 if (event
->header
.type
!= PERF_RECORD_SAMPLE
) {
751 return perf_event__parse_id_sample(event
, type
, data
, swapped
);
754 array
= event
->sample
.array
;
756 if (sample_size
+ sizeof(event
->header
) > event
->header
.size
)
759 if (type
& PERF_SAMPLE_IP
) {
760 data
->ip
= event
->ip
.ip
;
764 if (type
& PERF_SAMPLE_TID
) {
767 /* undo swap of u64, then swap on individual u32s */
768 u
.val64
= bswap_64(u
.val64
);
769 u
.val32
[0] = bswap_32(u
.val32
[0]);
770 u
.val32
[1] = bswap_32(u
.val32
[1]);
773 data
->pid
= u
.val32
[0];
774 data
->tid
= u
.val32
[1];
778 if (type
& PERF_SAMPLE_TIME
) {
784 if (type
& PERF_SAMPLE_ADDR
) {
790 if (type
& PERF_SAMPLE_ID
) {
795 if (type
& PERF_SAMPLE_STREAM_ID
) {
796 data
->stream_id
= *array
;
800 if (type
& PERF_SAMPLE_CPU
) {
804 /* undo swap of u64, then swap on individual u32s */
805 u
.val64
= bswap_64(u
.val64
);
806 u
.val32
[0] = bswap_32(u
.val32
[0]);
809 data
->cpu
= u
.val32
[0];
813 if (type
& PERF_SAMPLE_PERIOD
) {
814 data
->period
= *array
;
818 if (type
& PERF_SAMPLE_READ
) {
819 fprintf(stderr
, "PERF_SAMPLE_READ is unsupported for now\n");
823 if (type
& PERF_SAMPLE_CALLCHAIN
) {
824 if (sample_overlap(event
, array
, sizeof(data
->callchain
->nr
)))
827 data
->callchain
= (struct ip_callchain
*)array
;
829 if (sample_overlap(event
, array
, data
->callchain
->nr
))
832 array
+= 1 + data
->callchain
->nr
;
835 if (type
& PERF_SAMPLE_RAW
) {
839 if (WARN_ONCE(swapped
,
840 "Endianness of raw data not corrected!\n")) {
841 /* undo swap of u64, then swap on individual u32s */
842 u
.val64
= bswap_64(u
.val64
);
843 u
.val32
[0] = bswap_32(u
.val32
[0]);
844 u
.val32
[1] = bswap_32(u
.val32
[1]);
847 if (sample_overlap(event
, array
, sizeof(u32
)))
850 data
->raw_size
= u
.val32
[0];
851 pdata
= (void *) array
+ sizeof(u32
);
853 if (sample_overlap(event
, pdata
, data
->raw_size
))
856 data
->raw_data
= (void *) pdata
;
858 array
= (void *)array
+ data
->raw_size
+ sizeof(u32
);
861 if (type
& PERF_SAMPLE_BRANCH_STACK
) {
864 data
->branch_stack
= (struct branch_stack
*)array
;
867 sz
= data
->branch_stack
->nr
* sizeof(struct branch_entry
);
874 int perf_event__synthesize_sample(union perf_event
*event
, u64 type
,
875 const struct perf_sample
*sample
,
881 * used for cross-endian analysis. See git commit 65014ab3
882 * for why this goofiness is needed.
886 array
= event
->sample
.array
;
888 if (type
& PERF_SAMPLE_IP
) {
889 event
->ip
.ip
= sample
->ip
;
893 if (type
& PERF_SAMPLE_TID
) {
894 u
.val32
[0] = sample
->pid
;
895 u
.val32
[1] = sample
->tid
;
898 * Inverse of what is done in perf_event__parse_sample
900 u
.val32
[0] = bswap_32(u
.val32
[0]);
901 u
.val32
[1] = bswap_32(u
.val32
[1]);
902 u
.val64
= bswap_64(u
.val64
);
909 if (type
& PERF_SAMPLE_TIME
) {
910 *array
= sample
->time
;
914 if (type
& PERF_SAMPLE_ADDR
) {
915 *array
= sample
->addr
;
919 if (type
& PERF_SAMPLE_ID
) {
924 if (type
& PERF_SAMPLE_STREAM_ID
) {
925 *array
= sample
->stream_id
;
929 if (type
& PERF_SAMPLE_CPU
) {
930 u
.val32
[0] = sample
->cpu
;
933 * Inverse of what is done in perf_event__parse_sample
935 u
.val32
[0] = bswap_32(u
.val32
[0]);
936 u
.val64
= bswap_64(u
.val64
);
942 if (type
& PERF_SAMPLE_PERIOD
) {
943 *array
= sample
->period
;