perf tools: Add group event scheduling option to perf record/stat
Group event scheduling command line option is missing in perf
record/stat.
Add it to perf record/stat, which is same as in perf top.
Reported-by: Andi Kleen <andi@firstfloor.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1313577727.2754.5.camel@hp6530s
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 1ad04ce..5deb17d 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -193,6 +193,7 @@
static const char *cpu_list;
static const char *csv_sep = NULL;
static bool csv_output = false;
+static bool group = false;
static volatile int done = 0;
@@ -280,14 +281,14 @@
attr->inherit = !no_inherit;
if (system_wide)
- return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, false);
+ return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group);
if (target_pid == -1 && target_tid == -1) {
attr->disabled = 1;
attr->enable_on_exec = 1;
}
- return perf_evsel__open_per_thread(evsel, evsel_list->threads, false);
+ return perf_evsel__open_per_thread(evsel, evsel_list->threads, group);
}
/*
@@ -1043,6 +1044,8 @@
"stat events on existing thread id"),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
+ OPT_BOOLEAN('g', "group", &group,
+ "put the counters into a counter group"),
OPT_BOOLEAN('c', "scale", &scale,
"scale/normalize counters"),
OPT_INCR('v', "verbose", &verbose,