*/
int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages,
unsigned int auxtrace_pages,
- bool auxtrace_overwrite, int nr_cblocks, int affinity)
+ bool auxtrace_overwrite, int nr_cblocks, int affinity, int flush)
{
struct perf_evsel *evsel;
const struct cpu_map *cpus = evlist->cpus;
* Its value is decided by evsel's write_backward.
* So &mp should not be passed through const pointer.
*/
- struct mmap_params mp = { .nr_cblocks = nr_cblocks, .affinity = affinity };
+ struct mmap_params mp = { .nr_cblocks = nr_cblocks, .affinity = affinity, .flush = flush };
if (!evlist->mmap)
evlist->mmap = perf_evlist__alloc_mmap(evlist, false);
int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages)
{
- return perf_evlist__mmap_ex(evlist, pages, 0, false, 0, PERF_AFFINITY_SYS);
+ return perf_evlist__mmap_ex(evlist, pages, 0, false, 0, PERF_AFFINITY_SYS, 1);
}
int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target)
{
struct perf_evlist *evlist = arg;
bool draining = false;
- int i;
+ int i, done = 0;
+
+ while (!done) {
+ bool got_data = false;
- while (draining || !(evlist->thread.done)) {
- if (draining)
- draining = false;
- else if (evlist->thread.done)
+ if (evlist->thread.done)
draining = true;
if (!draining)
pr_warning("cannot locate proper evsel for the side band event\n");
perf_mmap__consume(map);
+ got_data = true;
}
perf_mmap__read_done(map);
}
+
+ if (draining && !got_data)
+ break;
}
return NULL;
}