linux-kernel - [tip:perf/core] libperf: Add perf_evlist_

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Message-ID: <tip-52e22fb8af779e1a26b1cbde1db2f82f78b3ae68@git.kernel.org>
Date:   Tue, 30 Jul 2019 11:37:11 -0700
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     jolsa@...nel.org, peterz@...radead.org, ak@...ux.intel.com,
        namhyung@...nel.org, tglx@...utronix.de,
        alexey.budankov@...ux.intel.com, mingo@...nel.org,
        linux-kernel@...r.kernel.org, mpetlan@...hat.com, hpa@...or.com,
        acme@...hat.com, alexander.shishkin@...ux.intel.com
Subject: [tip:perf/core] libperf: Add perf_evlist__remove() function

Commit-ID:  52e22fb8af779e1a26b1cbde1db2f82f78b3ae68
Gitweb:     https://git.kernel.org/tip/52e22fb8af779e1a26b1cbde1db2f82f78b3ae68
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Sun, 21 Jul 2019 13:24:27 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 29 Jul 2019 18:34:44 -0300

libperf: Add perf_evlist__remove() function

Adding perf_evlist__remove() function to remove a perf_evsel from
a perf_evlist struct.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Michael Petlan <mpetlan@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-41-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/lib/evlist.c              | 6 ++++++
 tools/perf/lib/include/perf/evlist.h | 2 ++
 tools/perf/lib/libperf.map           | 1 +
 tools/perf/util/evlist.c             | 2 +-
 4 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index e5f187fa4e57..023fe4b44131 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -14,3 +14,9 @@ void perf_evlist__add(struct perf_evlist *evlist,
 {
 	list_add_tail(&evsel->node, &evlist->entries);
 }
+
+void perf_evlist__remove(struct perf_evlist *evlist,
+			 struct perf_evsel *evsel)
+{
+	list_del_init(&evsel->node);
+}
diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h
index 6992568b14a0..e0c87995c6ff 100644
--- a/tools/perf/lib/include/perf/evlist.h
+++ b/tools/perf/lib/include/perf/evlist.h
@@ -10,5 +10,7 @@ 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);
+LIBPERF_API void perf_evlist__remove(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 06ccf31eb24d..168339f89a2e 100644
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -12,6 +12,7 @@ LIBPERF_0.0.1 {
 		perf_evsel__init;
 		perf_evlist__init;
 		perf_evlist__add;
+		perf_evlist__remove;
 	local:
 		*;
 };
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index f2b86f49ab8d..9b0108c23010 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -194,7 +194,7 @@ void evlist__add(struct evlist *evlist, struct evsel *entry)
 void evlist__remove(struct evlist *evlist, struct evsel *evsel)
 {
 	evsel->evlist = NULL;
-	list_del_init(&evsel->core.node);
+	perf_evlist__remove(&evlist->core, &evsel->core);
 	evlist->nr_entries -= 1;
 }