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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-12-16 16:55:56 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-16 17:30:13 (GMT) |
| commit | 60ab271617cec607380099f3ed8e84916e48323b (patch) | |
| tree | fc43fd9f59e2743239c1c24efaf8686e9bc30f99 | |
| parent | 856e96608a72412d319e498a3a7c557571f811bd (diff) | |
| download | linux-fsl-qoriq-60ab271617cec607380099f3ed8e84916e48323b.tar.xz | |
perf record: Use per-task-per-cpu events for inherited events
Create events with a pid and cpu contraint for inherited events
so that we get a stream per cpu, instead of all cpus contending
on a single stream.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: fweisbec@gmail.com
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20091216165904.987643843@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | tools/perf/builtin-record.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 9b7c6d8..63136d0 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -278,7 +278,7 @@ static void create_counter(int counter, int cpu, pid_t pid) attr->mmap = track; attr->comm = track; - attr->inherit = (cpu < 0) && inherit; + attr->inherit = inherit; attr->disabled = 1; try_again: @@ -537,7 +537,7 @@ static int __cmd_record(int argc __used, const char **argv) } - if (!system_wide || profile_cpu != -1) { + if ((!system_wide && !inherit) || profile_cpu != -1) { open_counters(profile_cpu, target_pid); } else { for (i = 0; i < nr_cpus; i++) |