From efc9c05681c589ed942bf8c55a774853938ca8d4 Mon Sep 17 00:00:00 2001 From: Ravi Bangoria Date: Mon, 20 Mar 2017 18:07:18 +0530 Subject: [PATCH] perf stat: Correct --no-aggr description Description of --no-aggr in perf-stat man page is outdated. --no-aggr can also be used while profiling specific set of cpus. For ex, $ perf stat -e cycles,instructions -C 1-2 --no-aggr -- sleep 1 Performance counter stats for 'CPU(s) 1-2': CPU1 5,94,92,795 cycles CPU2 2,69,72,403 cycles CPU1 2,02,08,327 instructions # 0.34 insn per cycle CPU2 73,17,123 instructions # 0.12 insn per cycle 1.000989132 seconds time elapsed Signed-off-by: Ravi Bangoria Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1490013438-5713-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-stat.txt | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index aecf2a87e7d6..978548138624 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -94,8 +94,7 @@ to activate system-wide monitoring. Default is to count on all CPUs. -A:: --no-aggr:: -Do not aggregate counts across all monitored CPUs in system-wide mode (-a). -This option is only valid in system-wide mode. +Do not aggregate counts across all monitored CPUs. -n:: --null:: -- 2.11.0