lkml.org 
[lkml]   [2019]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 072/107] libperf: Add perf_evlist__new() function
    Date
    From: Jiri Olsa <jolsa@kernel.org>

    Add perf_evlist__new() function to create and init a perf_evlist 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/20190721112506.12306-46-jolsa@kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/lib/evlist.c | 11 +++++++++++
    tools/perf/lib/include/perf/evlist.h | 1 +
    tools/perf/lib/libperf.map | 1 +
    3 files changed, 13 insertions(+)

    diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
    index 1b27fd2de9b9..0517deb4cb1c 100644
    --- a/tools/perf/lib/evlist.c
    +++ b/tools/perf/lib/evlist.c
    @@ -3,6 +3,7 @@
    #include <linux/list.h>
    #include <internal/evlist.h>
    #include <internal/evsel.h>
    +#include <linux/zalloc.h>

    void perf_evlist__init(struct perf_evlist *evlist)
    {
    @@ -23,3 +24,13 @@ void perf_evlist__remove(struct perf_evlist *evlist,
    list_del_init(&evsel->node);
    evlist->nr_entries -= 1;
    }
    +
    +struct perf_evlist *perf_evlist__new(void)
    +{
    + struct perf_evlist *evlist = zalloc(sizeof(*evlist));
    +
    + if (evlist != NULL)
    + perf_evlist__init(evlist);
    +
    + return evlist;
    +}
    diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h
    index e0c87995c6ff..7255a60869a1 100644
    --- a/tools/perf/lib/include/perf/evlist.h
    +++ b/tools/perf/lib/include/perf/evlist.h
    @@ -12,5 +12,6 @@ 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);
    +LIBPERF_API struct perf_evlist *perf_evlist__new(void);

    #endif /* __LIBPERF_EVLIST_H */
    diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
    index e38473a8f32f..5e685d6c7a95 100644
    --- a/tools/perf/lib/libperf.map
    +++ b/tools/perf/lib/libperf.map
    @@ -12,6 +12,7 @@ LIBPERF_0.0.1 {
    perf_thread_map__get;
    perf_thread_map__put;
    perf_evsel__init;
    + perf_evlist__new;
    perf_evlist__init;
    perf_evlist__add;
    perf_evlist__remove;
    --
    2.21.0
    \
     
     \ /
      Last update: 2019-07-30 05:09    [W:4.019 / U:0.364 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site