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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-06-02 23:02:36 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-02 23:45:34 +0400 |
| commit | 436224a6d8bb3e29fe0cc18122f8d1f593da67b8 (patch) | |
| tree | c7e3897c7c6059d31eb1fa3917aa59436f4cb6d1 /Documentation | |
| parent | c70975bc8d5bac487616785f5d5bc7b090dfa2d9 (diff) | |
| download | linux-436224a6d8bb3e29fe0cc18122f8d1f593da67b8.tar.xz | |
perf report: Separate out idle threads
Introduce the special comm name [idle] for idle theads.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/perf_counter/builtin-report.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c index 19c1e056bb66..6d68f3aa86b7 100644 --- a/Documentation/perf_counter/builtin-report.c +++ b/Documentation/perf_counter/builtin-report.c @@ -612,6 +612,17 @@ static size_t output__fprintf(FILE *fp, uint64_t total_samples) return ret; } +static void register_idle_thread(void) +{ + struct thread *thread = threads__findnew(0); + + if (thread == NULL || + thread__set_comm(thread, "[idle]")) { + fprintf(stderr, "problem inserting idle task.\n"); + exit(-1); + } +} + static int __cmd_report(void) { @@ -626,6 +637,8 @@ static int __cmd_report(void) char cwd[PATH_MAX], *cwdp = cwd; int cwdlen; + register_idle_thread(); + input = open(input_name, O_RDONLY); if (input < 0) { perror("failed to open file"); |