lkml.org 
[lkml]   [2019]   [Jul]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:perf/core] libperf: Add perf_evsel__new() function
Commit-ID:  63bd5dfa69658c459d08a6ee6bfebbd4a91cf24d
Gitweb: https://git.kernel.org/tip/63bd5dfa69658c459d08a6ee6bfebbd4a91cf24d
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Sun, 21 Jul 2019 13:24:33 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 29 Jul 2019 18:34:45 -0300

libperf: Add perf_evsel__new() function

Add a perf_evsel__new() function to create and init a perf_evsel struct
dynamicaly.

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/20190721112506.12306-47-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/lib/evsel.c | 11 +++++++++++
tools/perf/lib/include/perf/evsel.h | 1 +
tools/perf/lib/libperf.map | 1 +
3 files changed, 13 insertions(+)

diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c
index 17cba35becc7..8e91738c5c38 100644
--- a/tools/perf/lib/evsel.c
+++ b/tools/perf/lib/evsel.c
@@ -2,9 +2,20 @@
#include <perf/evsel.h>
#include <linux/list.h>
#include <internal/evsel.h>
+#include <linux/zalloc.h>

void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr)
{
INIT_LIST_HEAD(&evsel->node);
evsel->attr = *attr;
}
+
+struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
+{
+ struct perf_evsel *evsel = zalloc(sizeof(*evsel));
+
+ if (evsel != NULL)
+ perf_evsel__init(evsel, attr);
+
+ return evsel;
+}
diff --git a/tools/perf/lib/include/perf/evsel.h b/tools/perf/lib/include/perf/evsel.h
index 295583b89f46..21b66fc1937f 100644
--- a/tools/perf/lib/include/perf/evsel.h
+++ b/tools/perf/lib/include/perf/evsel.h
@@ -9,5 +9,6 @@ struct perf_event_attr;

LIBPERF_API void perf_evsel__init(struct perf_evsel *evsel,
struct perf_event_attr *attr);
+LIBPERF_API struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr);

#endif /* __LIBPERF_EVSEL_H */
diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
index 5e685d6c7a95..e3eac9b60726 100644
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -11,6 +11,7 @@ LIBPERF_0.0.1 {
perf_thread_map__comm;
perf_thread_map__get;
perf_thread_map__put;
+ perf_evsel__new;
perf_evsel__init;
perf_evlist__new;
perf_evlist__init;
\
 
 \ /
  Last update: 2019-07-30 20:42    [W:0.433 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site