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-rw-r--r--tools/perf/util/evlist.c57
1 files changed, 48 insertions, 9 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 23eb22b05d27..b021ea9265c3 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -12,7 +12,6 @@
12#include "evlist.h" 12#include "evlist.h"
13#include "evsel.h" 13#include "evsel.h"
14#include "util.h" 14#include "util.h"
15#include "debug.h"
16 15
17#include <sys/mman.h> 16#include <sys/mman.h>
18 17
@@ -257,19 +256,15 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
257 return evlist->mmap != NULL ? 0 : -ENOMEM; 256 return evlist->mmap != NULL ? 0 : -ENOMEM;
258} 257}
259 258
260static int __perf_evlist__mmap(struct perf_evlist *evlist, struct perf_evsel *evsel, 259static int __perf_evlist__mmap(struct perf_evlist *evlist,
261 int idx, int prot, int mask, int fd) 260 int idx, int prot, int mask, int fd)
262{ 261{
263 evlist->mmap[idx].prev = 0; 262 evlist->mmap[idx].prev = 0;
264 evlist->mmap[idx].mask = mask; 263 evlist->mmap[idx].mask = mask;
265 evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, prot, 264 evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, prot,
266 MAP_SHARED, fd, 0); 265 MAP_SHARED, fd, 0);
267 if (evlist->mmap[idx].base == MAP_FAILED) { 266 if (evlist->mmap[idx].base == MAP_FAILED)
268 if (evlist->cpus->map[idx] == -1 && evsel->attr.inherit)
269 ui__warning("Inherit is not allowed on per-task "
270 "events using mmap.\n");
271 return -1; 267 return -1;
272 }
273 268
274 perf_evlist__add_pollfd(evlist, fd); 269 perf_evlist__add_pollfd(evlist, fd);
275 return 0; 270 return 0;
@@ -289,7 +284,7 @@ static int perf_evlist__mmap_per_cpu(struct perf_evlist *evlist, int prot, int m
289 284
290 if (output == -1) { 285 if (output == -1) {
291 output = fd; 286 output = fd;
292 if (__perf_evlist__mmap(evlist, evsel, cpu, 287 if (__perf_evlist__mmap(evlist, cpu,
293 prot, mask, output) < 0) 288 prot, mask, output) < 0)
294 goto out_unmap; 289 goto out_unmap;
295 } else { 290 } else {
@@ -329,7 +324,7 @@ static int perf_evlist__mmap_per_thread(struct perf_evlist *evlist, int prot, in
329 324
330 if (output == -1) { 325 if (output == -1) {
331 output = fd; 326 output = fd;
332 if (__perf_evlist__mmap(evlist, evsel, thread, 327 if (__perf_evlist__mmap(evlist, thread,
333 prot, mask, output) < 0) 328 prot, mask, output) < 0)
334 goto out_unmap; 329 goto out_unmap;
335 } else { 330 } else {
@@ -459,3 +454,47 @@ int perf_evlist__set_filters(struct perf_evlist *evlist)
459 454
460 return 0; 455 return 0;
461} 456}
457
458bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist)
459{
460 struct perf_evsel *pos, *first;
461
462 pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
463
464 list_for_each_entry_continue(pos, &evlist->entries, node) {
465 if (first->attr.sample_type != pos->attr.sample_type)
466 return false;
467 }
468
469 return true;
470}
471
472u64 perf_evlist__sample_type(const struct perf_evlist *evlist)
473{
474 struct perf_evsel *first;
475
476 first = list_entry(evlist->entries.next, struct perf_evsel, node);
477 return first->attr.sample_type;
478}
479
480bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)
481{
482 struct perf_evsel *pos, *first;
483
484 pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
485
486 list_for_each_entry_continue(pos, &evlist->entries, node) {
487 if (first->attr.sample_id_all != pos->attr.sample_id_all)
488 return false;
489 }
490
491 return true;
492}
493
494bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
495{
496 struct perf_evsel *first;
497
498 first = list_entry(evlist->entries.next, struct perf_evsel, node);
499 return first->attr.sample_id_all;
500}