diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-06-03 21:36:07 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-03 21:36:07 +0400 |
| commit | 44db76c8553c328f4ae02481d77bb3a88ca17645 (patch) | |
| tree | 048acfb361233b83af2d9a5f3ca079c5b4929fee /Documentation | |
| parent | e98e96fe43ae92fad0930f05fb2b298e49b9f3b5 (diff) | |
| download | linux-44db76c8553c328f4ae02481d77bb3a88ca17645.tar.xz | |
perf stat: Print out all arguments
Before:
Performance counter stats for '/home/mingo/hackbench':
After:
Performance counter stats for '/home/mingo/hackbench 10':
Cc: 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>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/perf_counter/builtin-stat.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c index 2357a663b675..4fc0d80440e7 100644 --- a/Documentation/perf_counter/builtin-stat.c +++ b/Documentation/perf_counter/builtin-stat.c @@ -228,6 +228,7 @@ static int do_perfstat(int argc, const char **argv) int counter; int status; int pid; + int i; if (!system_wide) nr_cpus = 1; @@ -243,14 +244,17 @@ static int do_perfstat(int argc, const char **argv) if ((pid = fork()) < 0) perror("failed to fork"); + if (!pid) { if (execvp(argv[0], (char **)argv)) { perror(argv[0]); exit(-1); } } + while (wait(&status) >= 0) ; + prctl(PR_TASK_PERF_COUNTERS_DISABLE); t1 = rdclock(); @@ -259,8 +263,12 @@ static int do_perfstat(int argc, const char **argv) fflush(stdout); fprintf(stderr, "\n"); - fprintf(stderr, " Performance counter stats for \'%s\':\n", - argv[0]); + fprintf(stderr, " Performance counter stats for \'%s", argv[0]); + + for (i = 1; i < argc; i++) + fprintf(stderr, " %s", argv[i]); + + fprintf(stderr, "\':\n"); fprintf(stderr, "\n"); for (counter = 0; counter < nr_counters; counter++) |