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Commit c53d138d authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf top: Register idle thread 



The perf top didn't add the idle/swapper thread to the machine's thread
list and its comm was displayed as ':0'.  Fix it.

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1443577526-3240-3-git-send-email-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 4b37af59

tools/perf/builtin-top.c

+3 −0
Original line number Diff line number Diff line
@@ -964,6 +964,9 @@ static int __cmd_top(struct perf_top *top) 
	if (ret)

		goto out_delete;



	if (perf_session__register_idle_thread(top->session) == NULL)

		goto out_delete;



	machine__synthesize_threads(&top->session->machines.host, &opts->target,

				    top->evlist->threads, false, opts->proc_map_timeout);

tools/perf/util/session.c

+1 −1
Original line number Diff line number Diff line
@@ -1311,7 +1311,7 @@ struct thread *perf_session__findnew(struct perf_session *session, pid_t pid) 
	return machine__findnew_thread(&session->machines.host, -1, pid);

}



static struct thread *perf_session__register_idle_thread(struct perf_session *session)

struct thread *perf_session__register_idle_thread(struct perf_session *session)

{

	struct thread *thread;

tools/perf/util/session.h

+2 −0
Original line number Diff line number Diff line
@@ -89,6 +89,8 @@ struct machine *perf_session__findnew_machine(struct perf_session *session, pid_ 
}



struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);

struct thread *perf_session__register_idle_thread(struct perf_session *session);



size_t perf_session__fprintf(struct perf_session *session, FILE *fp);



size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);