lkml.org 
[lkml]   [2014]   [Oct]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[tip:perf/core] perf session: Add perf_session__deliver_synth_event()
    Commit-ID:  a293829df788ae96a174b315010d4b56a10e5114
    Gitweb: http://git.kernel.org/tip/a293829df788ae96a174b315010d4b56a10e5114
    Author: Adrian Hunter <adrian.hunter@intel.com>
    AuthorDate: Mon, 27 Oct 2014 15:49:23 +0200
    Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
    CommitDate: Wed, 29 Oct 2014 11:36:15 -0200

    perf session: Add perf_session__deliver_synth_event()

    Add a function to deliver synthesized events from within a session.

    Intel PT decoding works by synthesizing events (primarily branch events)
    that can then be consumed by existing tools. This function will be used
    to deliver those events.

    Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Namhyung Kim <namhyung@gmail.com>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Stephane Eranian <eranian@google.com>
    Link: http://lkml.kernel.org/r/1414417770-18602-3-git-send-email-adrian.hunter@intel.com
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/util/session.c | 13 +++++++++++++
    tools/perf/util/session.h | 5 +++++
    2 files changed, 18 insertions(+)

    diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
    index 58dd5ce..f4478ce 100644
    --- a/tools/perf/util/session.c
    +++ b/tools/perf/util/session.c
    @@ -907,6 +907,19 @@ static s64 perf_session__process_user_event(struct perf_session *session,
    }
    }

    +int perf_session__deliver_synth_event(struct perf_session *session,
    + union perf_event *event,
    + struct perf_sample *sample,
    + struct perf_tool *tool)
    +{
    + events_stats__inc(&session->stats, event->header.type);
    +
    + if (event->header.type >= PERF_RECORD_USER_TYPE_START)
    + return perf_session__process_user_event(session, event, tool, 0);
    +
    + return perf_session__deliver_event(session, event, sample, tool, 0);
    +}
    +
    static void event_swap(union perf_event *event, bool sample_id_all)
    {
    perf_event__swap_op swap;
    diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
    index d8521ac..dc26ebf 100644
    --- a/tools/perf/util/session.h
    +++ b/tools/perf/util/session.h
    @@ -127,6 +127,11 @@ extern volatile int session_done;

    #define session_done() ACCESS_ONCE(session_done)

    +int perf_session__deliver_synth_event(struct perf_session *session,
    + union perf_event *event,
    + struct perf_sample *sample,
    + struct perf_tool *tool);
    +
    int perf_event__process_id_index(struct perf_tool *tool,
    union perf_event *event,
    struct perf_session *session);

    \
     
     \ /
      Last update: 2014-10-30 08:21    [W:6.215 / U:0.012 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site