diff options
Diffstat (limited to 'tools/perf/lib/evlist.c')
| -rw-r--r-- | tools/perf/lib/evlist.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index 250ad5752589..88d63f5cd9ca 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -472,12 +472,16 @@ out_unmap: return -1; } -int perf_evlist__mmap(struct perf_evlist *evlist, int pages) +int perf_evlist__mmap_ops(struct perf_evlist *evlist, + struct perf_evlist_mmap_ops *ops, + struct perf_mmap_param *mp) { struct perf_evsel *evsel; const struct perf_cpu_map *cpus = evlist->cpus; const struct perf_thread_map *threads = evlist->threads; - struct perf_mmap_param mp; + + if (!ops) + return -EINVAL; if (!evlist->mmap) evlist->mmap = perf_evlist__alloc_mmap(evlist, false); @@ -491,13 +495,21 @@ int perf_evlist__mmap(struct perf_evlist *evlist, int pages) return -ENOMEM; } + if (perf_cpu_map__empty(cpus)) + return mmap_per_thread(evlist, mp); + + return mmap_per_cpu(evlist, mp); +} + +int perf_evlist__mmap(struct perf_evlist *evlist, int pages) +{ + struct perf_mmap_param mp; + struct perf_evlist_mmap_ops ops; + evlist->mmap_len = (pages + 1) * page_size; mp.mask = evlist->mmap_len - page_size - 1; - if (perf_cpu_map__empty(cpus)) - return mmap_per_thread(evlist, &mp); - - return mmap_per_cpu(evlist, &mp); + return perf_evlist__mmap_ops(evlist, &ops, &mp); } void perf_evlist__munmap(struct perf_evlist *evlist) |