[PATCH 09/33] perf script: Display PERF_RECORD_MISC_COMM_EXEC flag

From: Arnaldo Carvalho de Melo
Date: Thu Jul 17 2014 - 12:13:42 EST


From: Adrian Hunter <adrian.hunter@xxxxxxxxx>

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1405332185-4050-4-git-send-email-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/event.c | 9 ++++++++-
tools/perf/util/evsel.c | 3 ++-
2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index d0281bdfa582..198c4cc313a1 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -603,7 +603,14 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,

size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp)
{
- return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid);
+ const char *s;
+
+ if (event->header.misc & PERF_RECORD_MISC_COMM_EXEC)
+ s = " exec";
+ else
+ s = "";
+
+ return fprintf(fp, "%s: %s:%d\n", s, event->comm.comm, event->comm.tid);
}

int perf_event__process_comm(struct perf_tool *tool __maybe_unused,
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 8606175fe1e8..b760d32aae06 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -960,6 +960,7 @@ static size_t perf_event_attr__fprintf(struct perf_event_attr *attr, FILE *fp)
ret += PRINT_ATTR2(exclude_user, exclude_kernel);
ret += PRINT_ATTR2(exclude_hv, exclude_idle);
ret += PRINT_ATTR2(mmap, comm);
+ ret += PRINT_ATTR2(mmap2, comm_exec);
ret += PRINT_ATTR2(freq, inherit_stat);
ret += PRINT_ATTR2(enable_on_exec, task);
ret += PRINT_ATTR2(watermark, precise_ip);
@@ -967,7 +968,6 @@ static size_t perf_event_attr__fprintf(struct perf_event_attr *attr, FILE *fp)
ret += PRINT_ATTR2(exclude_host, exclude_guest);
ret += PRINT_ATTR2N("excl.callchain_kern", exclude_callchain_kernel,
"excl.callchain_user", exclude_callchain_user);
- ret += PRINT_ATTR_U32(mmap2);

ret += PRINT_ATTR_U32(wakeup_events);
ret += PRINT_ATTR_U32(wakeup_watermark);
@@ -1940,6 +1940,7 @@ int perf_evsel__fprintf(struct perf_evsel *evsel,
if_print(mmap);
if_print(mmap2);
if_print(comm);
+ if_print(comm_exec);
if_print(freq);
if_print(inherit_stat);
if_print(enable_on_exec);
--
1.9.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/