From dd1d841810158086086417133a22c90dfabaeecb Mon Sep 17 00:00:00 2001 From: Jin Yao Date: Fri, 9 Oct 2020 10:28:40 +0800 Subject: [PATCH] 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 Acked-by: Jiri Olsa Link: https://lore.kernel.org/r/20201009022845.13141-3-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/stream.c | 13 +++++++++++++ tools/perf/util/stream.h | 3 +++ 2 files changed, 16 insertions(+) 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 */