From 8d500292bd55c05130c96f6e84cc3e6ba3ebed99 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 14 Nov 2022 15:02:17 -0800 Subject: [PATCH] perf stat: Align cgroup names We don't know how long cgroup name is, but at least we can align short ones like below. $ perf stat -a --for-each-cgroup system.slice,user.slice true Performance counter stats for 'system wide': 0.13 msec cpu-clock system.slice # 0.010 CPUs utilized 4 context-switches system.slice # 31.989 K/sec 1 cpu-migrations system.slice # 7.997 K/sec 0 page-faults system.slice # 0.000 /sec 450,673 cycles system.slice # 3.604 GHz (92.41%) 161,216 instructions system.slice # 0.36 insn per cycle (92.41%) 32,678 branches system.slice # 261.332 M/sec (92.41%) 2,628 branch-misses system.slice # 8.04% of all branches (92.41%) 14.29 msec cpu-clock user.slice # 1.163 CPUs utilized 35 context-switches user.slice # 2.449 K/sec 12 cpu-migrations user.slice # 839.691 /sec 57 page-faults user.slice # 3.989 K/sec 49,683,026 cycles user.slice # 3.477 GHz (99.38%) 110,790,266 instructions user.slice # 2.23 insn per cycle (99.38%) 24,552,255 branches user.slice # 1.718 G/sec (99.38%) 127,779 branch-misses user.slice # 0.52% of all branches (99.38%) 0.012289431 seconds time elapsed Signed-off-by: Namhyung Kim Cc: Adrian Hunter Cc: Athira Jajeev Cc: Ian Rogers Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Kan Liang Cc: Peter Zijlstra Cc: Xing Zhengjun Link: https://lore.kernel.org/r/20221114230227.1255976-10-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/stat-display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index bf3f2f9..e66f766 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -116,7 +116,7 @@ static void print_noise(struct perf_stat_config *config, static void print_cgroup_std(struct perf_stat_config *config, const char *cgrp_name) { - fprintf(config->output, " %s", cgrp_name); + fprintf(config->output, " %-16s", cgrp_name); } static void print_cgroup_csv(struct perf_stat_config *config, const char *cgrp_name) -- 2.7.4