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SubjectRe: [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@linux.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@ibm-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@kernel.org>

thanks,
jirka

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