From: Namhyung Kim <[email protected]>
For some reason it consumed quite amount of compile time when declared
as local variable, and it disappeared when moved out of the function.
Moving other variables/tables didn't help.
On my system this single-file-change build time reduced from 11s to 3s.
Signed-off-by: Namhyung Kim <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
tools/perf/builtin-sched.c | 41 +++++++++++++++++++++--------------------
1 file changed, 21 insertions(+), 20 deletions(-)
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index fed9ae4..fba4a94 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1662,28 +1662,29 @@ static int __cmd_record(int argc, const char **argv)
return cmd_record(i, rec_argv, NULL);
}
+static const char default_sort_order[] = "avg, max, switch, runtime";
+static struct perf_sched sched = {
+ .tool = {
+ .sample = perf_sched__process_tracepoint_sample,
+ .comm = perf_event__process_comm,
+ .lost = perf_event__process_lost,
+ .fork = perf_event__process_fork,
+ .ordered_samples = true,
+ },
+ .cmp_pid = LIST_HEAD_INIT(sched.cmp_pid),
+ .sort_list = LIST_HEAD_INIT(sched.sort_list),
+ .start_work_mutex = PTHREAD_MUTEX_INITIALIZER,
+ .work_done_wait_mutex = PTHREAD_MUTEX_INITIALIZER,
+ .curr_pid = { [0 ... MAX_CPUS - 1] = -1 },
+ .sort_order = default_sort_order,
+ .replay_repeat = 10,
+ .profile_cpu = -1,
+ .next_shortname1 = 'A',
+ .next_shortname2 = '0',
+};
+
int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused)
{
- const char default_sort_order[] = "avg, max, switch, runtime";
- struct perf_sched sched = {
- .tool = {
- .sample = perf_sched__process_tracepoint_sample,
- .comm = perf_event__process_comm,
- .lost = perf_event__process_lost,
- .fork = perf_event__process_fork,
- .ordered_samples = true,
- },
- .cmp_pid = LIST_HEAD_INIT(sched.cmp_pid),
- .sort_list = LIST_HEAD_INIT(sched.sort_list),
- .start_work_mutex = PTHREAD_MUTEX_INITIALIZER,
- .work_done_wait_mutex = PTHREAD_MUTEX_INITIALIZER,
- .curr_pid = { [0 ... MAX_CPUS - 1] = -1 },
- .sort_order = default_sort_order,
- .replay_repeat = 10,
- .profile_cpu = -1,
- .next_shortname1 = 'A',
- .next_shortname2 = '0',
- };
const struct option latency_options[] = {
OPT_STRING('s', "sort", &sched.sort_order, "key[,key2...]",
"sort by key(s): runtime, switch, avg, max"),
--
1.8.1.4