diff options
| -rw-r--r-- | tools/perf/util/evlist.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 07ba0a4..acef94a 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -738,20 +738,17 @@ int perf_evlist__parse_mmap_pages(const struct option *opt, const char *str, return 0; } -/** perf_evlist__mmap - Create per cpu maps to receive events - * - * @evlist - list of events - * @pages - map length in pages - * @overwrite - overwrite older events? - * - * If overwrite is false the user needs to signal event consuption using: - * - * struct perf_mmap *m = &evlist->mmap[cpu]; - * unsigned int head = perf_mmap__read_head(m); +/** + * perf_evlist__mmap - Create mmaps to receive events. + * @evlist: list of events + * @pages: map length in pages + * @overwrite: overwrite older events? * - * perf_mmap__write_tail(m, head) + * If @overwrite is %false the user needs to signal event consumption using + * perf_mmap__write_tail(). Using perf_evlist__mmap_read() does this + * automatically. * - * Using perf_evlist__read_on_cpu does this automatically. + * Return: %0 on success, negative error code otherwise. */ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, bool overwrite) |
