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perf_counter: Provide a way to enable counters on exec
[pandora-kernel.git]
/
tools
/
perf
/
builtin-stat.c
diff --git
a/tools/perf/builtin-stat.c
b/tools/perf/builtin-stat.c
index
201ef23
..
2e03524
100644
(file)
--- a/
tools/perf/builtin-stat.c
+++ b/
tools/perf/builtin-stat.c
@@
-116,8
+116,9
@@
static void create_perf_stat_counter(int counter, int pid)
fd[cpu][counter], strerror(errno));
}
} else {
fd[cpu][counter], strerror(errno));
}
} else {
- attr->inherit = inherit;
- attr->disabled = 1;
+ attr->inherit = inherit;
+ attr->disabled = 1;
+ attr->enable_on_exec = 1;
fd[0][counter] = sys_perf_counter_open(attr, pid, -1, -1, 0);
if (fd[0][counter] < 0 && verbose)
fd[0][counter] = sys_perf_counter_open(attr, pid, -1, -1, 0);
if (fd[0][counter] < 0 && verbose)
@@
-262,7
+263,6
@@
static int run_perf_stat(int argc, const char **argv)
* Enable counters and exec the command:
*/
t0 = rdclock();
* Enable counters and exec the command:
*/
t0 = rdclock();
- prctl(PR_TASK_PERF_COUNTERS_ENABLE);
close(go_pipe[1]);
wait(&status);
close(go_pipe[1]);
wait(&status);