libperf: Add perf_evlist__first()/last() functions

Add perf_evlist__first()/last() functions to libperf, as internal
functions and rename perf's origins to evlist__first/last.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lore.kernel.org/lkml/20190913132355.21634-29-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2019-09-03 10:39:52 +02:00
committed by Arnaldo Carvalho de Melo
parent 70c20369ee
commit 515dbe48f6
32 changed files with 145 additions and 129 deletions

View File

@@ -71,7 +71,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
}
if (top->evlist->core.nr_entries == 1) {
struct evsel *first = perf_evlist__first(top->evlist);
struct evsel *first = evlist__first(top->evlist);
ret += SNPRINTF(bf + ret, size - ret, "%" PRIu64 "%s ",
(uint64_t)first->core.attr.sample_period,
opts->freq ? "Hz" : "");