From ad7ebb9a48f59bad2714b64725653a73d78b686e Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Tue, 26 Nov 2013 17:51:12 +0900 Subject: perf script: Print comm, fork and exit events also If --show-task-events option is given, also print internal COMM, FORK and EXIT events. It would be helpful for debugging. $ perf script --show-task-events ... swapper 0 [009] 3350640.335261: sched:sched_switch: prev_comm=swapper/9 sleep 9486 [009] 3350640.335509: PERF_RECORD_COMM: sleep:9486 sleep 9486 [009] 3350640.335806: sched:sched_stat_runtime: comm=sleep pid=9486 firefox 2635 [003] 3350641.275896: PERF_RECORD_FORK(2635:9487):(2635:2635) firefox 2635 [003] 3350641.275896: sched:sched_process_fork: comm=firefox pid=2635 sleep 9486 [009] 3350641.336009: PERF_RECORD_EXIT(9486:9486):(9486:9486) Signed-off-by: Namhyung Kim Suggested-by: Frederic Weisbecker Reviewed-by: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1385455873-25865-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-script.txt | 3 +++ 1 file changed, 3 insertions(+) (limited to 'tools/perf/Documentation/perf-script.txt') diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index e9cbfcddfa3f..67af9b77ea78 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -203,6 +203,9 @@ OPTIONS --show-kernel-path:: Try to resolve the path of [kernel.kallsyms] +--show-task-events + Display task related events (e.g. FORK, COMM, EXIT). + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], -- cgit v1.2.3