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libperf: Add perf_evlist__add() function 

Add the perf_evlist__add() function to add a perf_evsel in a perf_evlist
struct.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-40-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2019-07-21 13:24:26 +02:00 committed by Arnaldo Carvalho de Melo
parent 4562a73939
commit 9a5edde6d3
4 changed files with 12 additions and 1 deletions
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7
tools/perf/lib/evlist.c
View File

@ -2,8 +2,15 @@
#include <perf/evlist.h>
#include <linux/list.h>
#include <internal/evlist.h>
#include <internal/evsel.h>
void perf_evlist__init(struct perf_evlist *evlist)
{
INIT_LIST_HEAD(&evlist->entries);
}
void perf_evlist__add(struct perf_evlist *evlist,
struct perf_evsel *evsel)
{
list_add_tail(&evsel->node, &evlist->entries);
}

3
tools/perf/lib/include/perf/evlist.h
View File

@ -5,7 +5,10 @@
#include <perf/core.h>
struct perf_evlist;
struct perf_evsel;
LIBPERF_API void perf_evlist__init(struct perf_evlist *evlist);
LIBPERF_API void perf_evlist__add(struct perf_evlist *evlist,
struct perf_evsel *evsel);
#endif /* __LIBPERF_EVLIST_H */

1
tools/perf/lib/libperf.map
View File

@ -11,6 +11,7 @@ LIBPERF_0.0.1 {
perf_thread_map__put;
perf_evsel__init;
perf_evlist__init;
perf_evlist__add;
local:
*;
};

2
tools/perf/util/evlist.c
View File

@ -180,8 +180,8 @@ static void perf_evlist__propagate_maps(struct evlist *evlist)
void evlist__add(struct evlist *evlist, struct evsel *entry)
{
perf_evlist__add(&evlist->core, &entry->core);
entry->evlist = evlist;
list_add_tail(&entry->core.node, &evlist->core.entries);
entry->idx = evlist->nr_entries;
entry->tracking = !entry->idx;