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SubjectRe: [PATCH 00/18] perf metric: Add support to reuse metric
On Wed, Jul 15, 2020 at 08:25:04PM -0500, Paul A. Clarke wrote:

SNIP

> # perf --version
> perf version 4.18.0-214.el8.ppc64le
> # perf stat --metrics cpi_breakdown ./load >/dev/null
> failed: way too many variables
> Performance counter stats for './load':
>
> 818,130 pm_cmplu_stall_bru # 0.0 bru_stall_cpi (0.45%)
> 5,013,082,026 pm_run_inst_cmpl (0.45%)
> 0 pm_cmplu_stall_crypto # 0.0 crypto_stall_cpi (0.89%)
> 6,580,655,094 pm_run_inst_cmpl (0.89%)
> 25,729,751 pm_cmplu_stall_dcache_miss # 0.0 dcache_miss_stall_cpi (1.77%)
> 6,690,035,175 pm_run_inst_cmpl (1.77%)
> 0 pm_cmplu_stall_dflong # 0.0 dflong_stall_cpi (1.77%)
> 6,769,854,632 pm_run_inst_cmpl (1.77%)
> 0 pm_cmplu_stall_dfu # 0.0 dfu_other_stall_cpi (0.89%)
> [...and LOTS more...]
> ```
>
> The second example in my previous post was from
> git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
> branch perf/metric
> ```
> commit 7dd02cf0b9f04ca5339fa97f9a2280ebdd60b1db (grafted, HEAD -> perf/metric, origin/perf/metric)
> Author: Jiri Olsa <jolsa@kernel.org>
> Date: Thu Jul 9 13:45:30 2020 +0200
>
> perf metric: Rename group_list to list
> ```
>
> This build of `perf` fails:
> ```
> # ~/install/bin/perf --version
> perf version 5.8.rc4.g7dd02cf0b9f0
> # ~/install/bin/perf stat --metrics cpi_breakdown ./load >/dev/null
>
> Performance counter stats for './load':
>
> 6,729,400,541 pm_run_inst_cmpl # 0.00 bru_stall_cpi
> 57,953 pm_cmplu_stall_bru
>
> 1.127319209 seconds time elapsed
>
> 1.124906000 seconds user
> 0.000890000 seconds sys
> ```

ok, I can see that as well.. will fix in next version

thanks,
jirka

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