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perf stat: Print out all arguments

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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>
This commit is contained in:
Ingo Molnar 2009-06-03 19:36:07 +02:00
parent e98e96fe43
commit 44db76c855
1 changed files with 10 additions and 2 deletions
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12
Documentation/perf_counter/builtin-stat.c
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@ -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++)