diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/evlist.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 11716f2b965a..f50ee5cb6554 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -750,6 +750,29 @@ perf_evlist__mmap_cb_idx(struct perf_evlist *_evlist, auxtrace_mmap_params__set_idx(&mp->auxtrace_mp, evlist, idx, per_cpu); } +static struct perf_mmap* +perf_evlist__mmap_cb_get(struct perf_evlist *_evlist, bool overwrite, int idx) +{ + struct evlist *evlist = container_of(_evlist, struct evlist, core); + struct mmap *maps = evlist->mmap; + + if (overwrite) { + maps = evlist->overwrite_mmap; + + if (!maps) { + maps = evlist__alloc_mmap(evlist, true); + if (!maps) + return NULL; + + evlist->overwrite_mmap = maps; + if (evlist->bkw_mmap_state == BKW_MMAP_NOTREADY) + perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_RUNNING); + } + } + + return &maps[idx].core; +} + static int evlist__mmap_per_cpu(struct evlist *evlist, struct mmap_params *mp) { @@ -948,6 +971,7 @@ int evlist__mmap_ex(struct evlist *evlist, unsigned int pages, }; struct perf_evlist_mmap_ops ops __maybe_unused = { .idx = perf_evlist__mmap_cb_idx, + .get = perf_evlist__mmap_cb_get, }; if (!evlist->mmap) |