From 27a778b512e002d856952b4f01842ba4d34bc3d1 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Wed, 13 Nov 2013 14:21:48 +0200 Subject: [PATCH] perf trace: Tweak summary output Tweak the summary output as suggested by Ingo Molnar: [penberg@localhost ~]$ perf trace -a --duration 10000 --summary -- sleep 1 ^C Summary of events: Xorg (817), 148 events, 0.0%, 0.000 msec syscall calls min avg max stddev (msec) (msec) (msec) (%) --------------- -------- --------- --------- --------- ------ read 7 0.002 0.004 0.011 32.00% rt_sigprocmask 40 0.001 0.001 0.002 1.31% ioctl 6 0.002 0.003 0.005 19.45% writev 7 0.004 0.018 0.059 43.76% select 9 0.000 74.513 507.869 74.61% setitimer 4 0.001 0.002 0.002 10.08% Suggested-by: Ingo Molnar Signed-off-by: Pekka Enberg Acked-by: Ingo Molnar Cc: David Ahern Cc: Ingo Molnar Link: http://lkml.kernel.org/r/1384345308-24404-1-git-send-email-penberg@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 6b230af940e2..8be17fc462ba 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2112,9 +2112,9 @@ static size_t thread__dump_stats(struct thread_trace *ttrace, printed += fprintf(fp, "\n"); - printed += fprintf(fp, " msec/call\n"); - printed += fprintf(fp, " syscall calls min avg max stddev\n"); - printed += fprintf(fp, " --------------- -------- -------- -------- -------- ------\n"); + printed += fprintf(fp, " syscall calls min avg max stddev\n"); + printed += fprintf(fp, " (msec) (msec) (msec) (%%)\n"); + printed += fprintf(fp, " --------------- -------- --------- --------- --------- ------\n"); /* each int_node is a syscall */ while (inode) { @@ -2131,9 +2131,9 @@ static size_t thread__dump_stats(struct thread_trace *ttrace, sc = &trace->syscalls.table[inode->i]; printed += fprintf(fp, " %-15s", sc->name); - printed += fprintf(fp, " %8" PRIu64 " %8.3f %8.3f", + printed += fprintf(fp, " %8" PRIu64 " %9.3f %9.3f", n, min, avg); - printed += fprintf(fp, " %8.3f %6.2f\n", max, pct); + printed += fprintf(fp, " %9.3f %9.2f%%\n", max, pct); } inode = intlist__next(inode); -- 2.30.2