linux-kernel - [PATCH 38/79] libperf: Add perf_evlist_

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Date:   Sun, 21 Jul 2019 13:24:25 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Andi Kleen <ak@...ux.intel.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>
Subject: [PATCH 38/79] libperf: Add perf_evlist__init function

Adding perf_evlist__init function to initialize
perf_evlist struct.

Link: http://lkml.kernel.org/n/tip-uhs894b98iiydutjgr1z5t8h@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/lib/evlist.c              | 5 +++++
 tools/perf/lib/include/perf/evlist.h | 4 ++++
 tools/perf/lib/libperf.map           | 1 +
 tools/perf/util/evlist.c             | 3 ++-
 4 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index 646bdd518793..fdc8c1894b37 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -2,3 +2,8 @@
 #include <perf/evlist.h>
 #include <linux/list.h>
 #include <internal/evlist.h>
+
+void perf_evlist__init(struct perf_evlist *evlist)
+{
+	INIT_LIST_HEAD(&evlist->entries);
+}
diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h
index 92b0eb39caec..1ddfcca0bd01 100644
--- a/tools/perf/lib/include/perf/evlist.h
+++ b/tools/perf/lib/include/perf/evlist.h
@@ -2,6 +2,10 @@
 #ifndef __LIBPERF_EVLIST_H
 #define __LIBPERF_EVLIST_H
 
+#include <perf/core.h>
+
 struct perf_evlist;
 
+LIBPERF_API void perf_evlist__init(struct perf_evlist *evlist);
+
 #endif /* __LIBPERF_EVLIST_H */
diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
index 54f8503c6d82..5ca6ff6fcdfa 100644
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -10,6 +10,7 @@ LIBPERF_0.0.1 {
 		perf_thread_map__get;
 		perf_thread_map__put;
 		perf_evsel__init;
+		perf_evlist__init;
 	local:
 		*;
 };
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index faf3ffd81d4c..aacddd9b2d64 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -33,6 +33,7 @@
 #include <linux/log2.h>
 #include <linux/err.h>
 #include <linux/zalloc.h>
+#include <perf/evlist.h>
 
 #ifdef LACKS_SIGQUEUE_PROTOTYPE
 int sigqueue(pid_t pid, int sig, const union sigval value);
@@ -48,11 +49,11 @@ void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus,
 
 	for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i)
 		INIT_HLIST_HEAD(&evlist->heads[i]);
-	INIT_LIST_HEAD(&evlist->core.entries);
 	perf_evlist__set_maps(evlist, cpus, threads);
 	fdarray__init(&evlist->pollfd, 64);
 	evlist->workload.pid = -1;
 	evlist->bkw_mmap_state = BKW_MMAP_NOTREADY;
+	perf_evlist__init(&evlist->core);
 }
 
 struct evlist *evlist__new(void)
-- 
2.21.0