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| author |   Jin Yao <yao.jin@linux.intel.com> | 2020-10-09 10:28:40 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-10-14 13:30:13 -0300 |
| commit | dd1d841810158086086417133a22c90dfabaeecb (patch) | |
| tree | 7f708c71ec5b264c58b554ac96215d77b1a53415 /tools/perf/util | |
| parent | perf streams: Introduce branch history "streams" (diff) | |
| download | linux-dev-dd1d841810158086086417133a22c90dfabaeecb.tar.xz linux-dev-dd1d841810158086086417133a22c90dfabaeecb.zip | |
perf streams: Get the evsel_streams by evsel_idx
In previous patch, we have created evsel_streams array.
This patch returns the specified evsel_streams according to the
evsel_idx.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20201009022845.13141-3-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/stream.c | 13 | ||||
| -rw-r--r-- | tools/perf/util/stream.h | 3 |
2 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/util/stream.c b/tools/perf/util/stream.c index 31efe4ae0f55..e1c7d6c6126b 100644 --- a/tools/perf/util/stream.c +++ b/tools/perf/util/stream.c @@ -162,3 +162,16 @@ struct evlist_streams *evlist__create_streams(struct evlist *evlist, return els; } + +struct evsel_streams *evsel_streams__entry(struct evlist_streams *els, + int evsel_idx) +{ + struct evsel_streams *es = els->ev_streams; + + for (int i = 0; i < els->nr_evsel; i++) { + if (es[i].evsel_idx == evsel_idx) + return &es[i]; + } + + return NULL; +} diff --git a/tools/perf/util/stream.h b/tools/perf/util/stream.h index 35bc64df554c..f01335677479 100644 --- a/tools/perf/util/stream.h +++ b/tools/perf/util/stream.h @@ -27,4 +27,7 @@ void evlist_streams__delete(struct evlist_streams *els); struct evlist_streams *evlist__create_streams(struct evlist *evlist, int nr_streams_max); +struct evsel_streams *evsel_streams__entry(struct evlist_streams *els, + int evsel_idx); + #endif /* __PERF_STREAM_H */ |