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| author | Adrian Hunter | 2014-07-31 08:00:44 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2014-08-14 00:23:08 +0200 |
| commit | 65de51f93ebf9305ec011da59c0b5fe29429d1b9 (patch) | |
| tree | 80a42fb96d8820b8ec0ba70189a9ea138dd28cd1 /tools/perf/util/machine.c | |
| parent | perf script python: Add helpers for calling Python objects (diff) | |
| download | kernel-qcow2-linux-65de51f93ebf9305ec011da59c0b5fe29429d1b9.tar.gz kernel-qcow2-linux-65de51f93ebf9305ec011da59c0b5fe29429d1b9.tar.xz kernel-qcow2-linux-65de51f93ebf9305ec011da59c0b5fe29429d1b9.zip | |
perf tools: Identify which comms are from exec
For grouping together all the data from a single execution, which is
needed for pairing calls and returns e.g. any outstanding calls when a
process exec's will never return.
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/1406786474-9306-2-git-send-email-adrian.hunter@intel.com
[ Remove testing if comm->exec is false before setting it to true ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/machine.c')
| -rw-r--r-- | tools/perf/util/machine.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 16bba9fff2c8..ea3e09f6a9c6 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -404,11 +404,13 @@ int machine__process_comm_event(struct machine *machine, union perf_event *event struct thread *thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); + bool exec = event->header.misc & PERF_RECORD_MISC_COMM_EXEC; if (dump_trace) perf_event__fprintf_comm(event, stdout); - if (thread == NULL || thread__set_comm(thread, event->comm.comm, sample->time)) { + if (thread == NULL || + __thread__set_comm(thread, event->comm.comm, sample->time, exec)) { dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); return -1; } |