iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf evlist: Factor out evlist__dummy_event()

Browse Source 
Factor out evlist__dummy_event() so it can be reused.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220524075436.29144-5-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2022-05-24 10:54:25 +03:00 committed by Arnaldo Carvalho de Melo
parent 84bd5aba88
commit 8294489914
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
tools/perf/util/evlist.c
View File

@ -242,14 +242,20 @@ int __evlist__add_default(struct evlist *evlist, bool precise)
return 0;
}
int evlist__add_dummy(struct evlist *evlist)
static struct evsel *evlist__dummy_event(struct evlist *evlist)
{
struct perf_event_attr attr = {
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_DUMMY,
.size = sizeof(attr), /* to capture ABI version */
};
struct evsel *evsel = evsel__new_idx(&attr, evlist->core.nr_entries);
return evsel__new_idx(&attr, evlist->core.nr_entries);
}
int evlist__add_dummy(struct evlist *evlist)
{
struct evsel *evsel = evlist__dummy_event(evlist);
if (evsel == NULL)
return -ENOMEM;