Information is available, so why not save it in case some command wants to use it.
Signed-off-by: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> --- tools/perf/util/thread.c | 4 ++++ tools/perf/util/thread.h | 1 + 2 files changed, 5 insertions(+) diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 632e40e..40399cb 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -14,6 +14,7 @@ struct thread *thread__new(pid_t pid) if (self != NULL) { map_groups__init(&self->mg); self->pid = pid; + self->ppid = -1; self->comm = malloc(32); if (self->comm) snprintf(self->comm, 32, ":%d", self->pid); @@ -82,5 +83,8 @@ int thread__fork(struct thread *self, struct thread *parent) for (i = 0; i < MAP__NR_TYPES; ++i) if (map_groups__clone(&self->mg, &parent->mg, i) < 0) return -ENOMEM; + + self->ppid = parent->pid; + return 0; } diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 735b343..bdec685 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -13,6 +13,7 @@ struct thread { }; struct map_groups mg; pid_t pid; + pid_t ppid; char shortname[3]; bool comm_set; char *comm; -- 1.7.10.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
