Commit-ID: 9b8087d72086b249ff744cee237ad12cc5e9255d
Gitweb: http://git.kernel.org/tip/9b8087d72086b249ff744cee237ad12cc5e9255d
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Thu, 22 Dec 2016 15:03:48 +0900
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 22 Dec 2016 16:35:45 -0300
perf sched timehist: Enlarge default 'comm_width'
Current default value is 20 but it's easily changed to a bigger value as
task has a long name and different tid and pid. And it makes the output
not aligned. So change it to have a large value as summary shows.
Committer notes:
Before:
# perf sched record
^C
# perf sched timehist
<SNIP>
40602.770537 [0001] rcuos/2[29] 7.970 0.002 0.020
40602.771512 [0003] <idle> 0.003 0.000 0.986
40602.771586 [0001] <idle> 0.020 0.000 1.049
40602.771606 [0001] qemu-system-x86[3593/3510] 0.000 0.002 0.020
40602.771629 [0003] qemu-system-x86[3510] 0.000 0.003 0.116
40602.771776 [0000] <idle> 0.001 0.000 1.892
<SNIP>
After:
# perf sched timehist
<SNIP>
40602.770537 [0001] rcuos/2[29] 7.970 0.002 0.020
40602.771512 [0003] <idle> 0.003 0.000 0.986
40602.771586 [0001] <idle> 0.020 0.000 1.049
40602.771606 [0001] qemu-system-x86[3593/3510] 0.000 0.002 0.020
40602.771629 [0003] qemu-system-x86[3510] 0.000 0.003 0.116
<SNIP>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Tested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20161222060350.17655-1-namhyung@xxxxxxxxxx
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-sched.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 020f9c9..c65f16c 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1775,7 +1775,7 @@ static u64 perf_evsel__get_time(struct perf_evsel *evsel, u32 cpu)
return r->last_time[cpu];
}
-static int comm_width = 20;
+static int comm_width = 30;
static char *timehist_get_commstr(struct thread *thread)
{
--
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