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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2014-07-31 09:00:45 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-13 19:23:21 -0300 |
| commit | cfe1c41405fe9a559f8b3c24c904b2bb42d4a6e8 (patch) | |
| tree | d0e4b647610f87702beb71287ba09dc998243ad5 /tools/perf/util/session.c | |
| parent | perf tools: Identify which comms are from exec (diff) | |
| download | linux-dev-cfe1c41405fe9a559f8b3c24c904b2bb42d4a6e8.tar.xz linux-dev-cfe1c41405fe9a559f8b3c24c904b2bb42d4a6e8.zip | |
perf machine: Add machine__thread_exec_comm()
Add machine__thread_exec_comm() to return the comm that matches the last
exec, if the comm_exec flag is present, or the last comm otherwise.
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/1406786474-9306-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 1b383bd93af6..6d2d50dea1d8 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -67,6 +67,25 @@ static void perf_session__destroy_kernel_maps(struct perf_session *session) machines__destroy_kernel_maps(&session->machines); } +static bool perf_session__has_comm_exec(struct perf_session *session) +{ + struct perf_evsel *evsel; + + evlist__for_each(session->evlist, evsel) { + if (evsel->attr.comm_exec) + return true; + } + + return false; +} + +static void perf_session__set_comm_exec(struct perf_session *session) +{ + bool comm_exec = perf_session__has_comm_exec(session); + + machines__set_comm_exec(&session->machines, comm_exec); +} + struct perf_session *perf_session__new(struct perf_data_file *file, bool repipe, struct perf_tool *tool) { @@ -90,6 +109,7 @@ struct perf_session *perf_session__new(struct perf_data_file *file, goto out_close; perf_session__set_id_hdr_size(session); + perf_session__set_comm_exec(session); } } @@ -866,8 +886,10 @@ static s64 perf_session__process_user_event(struct perf_session *session, switch (event->header.type) { case PERF_RECORD_HEADER_ATTR: err = tool->attr(tool, event, &session->evlist); - if (err == 0) + if (err == 0) { perf_session__set_id_hdr_size(session); + perf_session__set_comm_exec(session); + } return err; case PERF_RECORD_HEADER_EVENT_TYPE: /* |