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>

diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index fdc8c1894b37da573fef71b19c4b4649bade88af..e5f187fa4e57b5eea51cff56e949634c4d9ea501 100644 (file)
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -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);
+}

diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h
index 1ddfcca0bd01526132158b6093b7b0c4c863c72d..6992568b14a0f1e1c3c7effcd772389634899b1f 100644 (file)
--- a/tools/perf/lib/include/perf/evlist.h
+++ b/tools/perf/lib/include/perf/evlist.h
@@ -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 */

diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
index 5ca6ff6fcdfa1a0bc3432d4ff86679ad0fc3466e..06ccf31eb24dd6401fceba03a7ae4f539375f613 100644 (file)
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -11,6 +11,7 @@ LIBPERF_0.0.1 {
                perf_thread_map__put;
                perf_evsel__init;
                perf_evlist__init;
+               perf_evlist__add;
        local:
                *;
 };

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index f4aa6cf805595c25ffd33fe3da6c7f9a5b36b2d1..f2b86f49ab8d257c812fba56131f6266e3347cfc 100644 (file)
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -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;