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Date: Sat, 21 May 2016 13:17:03 +0200 From: Jiri Olsa <jolsa@...hat.com> To: Andi Kleen <andi@...stfloor.org> Cc: acme@...nel.org, jolsa@...nel.org, linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com> Subject: Re: [PATCH 1/2] perf stat: Print topology/time headers with --metric-only On Fri, May 20, 2016 at 12:50:14PM -0700, Andi Kleen wrote: > From: Andi Kleen <ak@...ux.intel.com> > > When --metric-only is enabled there were no headers for the topology > in interval mode. Also when headers were printed they were > on a separate line. > > Before: > > $ perf stat --metric-only -A -I 1000 -a > 1.001038376 frontend cycles idle insn per cycle stalled cycles per insn branch-misses of all branches > 1.001038376 CPU0 123.54% 0.23 5.29 7.61% > 1.001038376 CPU1 137.78% 0.24 5.13 10.07% > 1.001038376 CPU2 64.48% 0.22 5.50 6.84% > > After: > > $ perf stat --metric-only -A -I 1000 -a > 1.001111114 CPU0 82.46% 0.32 2.60 7.64% > 1.001111114 CPU1 126.63% 0.02 42.83 0.15% > 1.001111114 CPU2 193.54% 0.32 2.59 6.92% > > v2: Move all headers on a single line changelog is wrong [jolsa@...-x3650m4-01 perf]$ sudo ./perf stat --metric-only -A -I 1000 -a # time CPU frontend cycles idle backend cycles idle insn per cycle stalled cycles per insn branch-misses of all branches 1.003232468 CPU0 69.13% 56.43% 0.31 2.20 0.01% 1.003232468 CPU1 69.13% 56.23% 0.31 2.20 0.00% 1.003232468 CPU2 69.11% 56.27% 0.32 2.19 0.00% otherwise Acked-by: Jiri Olsa <jolsa@...nel.org> thanks, jirka
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