linux-kernel - Re: [PATCH] perf vendor events: Update Skylake client events to v50

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 6 Nov 2020 12:00:18 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     acme@...nel.org, jolsa@...nel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com,
        Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, yao.jin@...el.com, irogers@...gle.com
Subject: Re: [PATCH] perf vendor events: Update Skylake client events to v50

Hi,

On Wed, Nov 04, 2020 at 09:51:02AM +0800, Jin Yao wrote:
> - Update Skylake events to v50.
> - Update Skylake JSON metrics from TMAM 4.0.
> - Fix the issue in DRAM_Parallel_Reads
> - Fix the perf test warning
> 
> Before:
> 
> root@...-ppc:~# perf stat -M DRAM_Parallel_Reads -- sleep 1
> event syntax error: '{arb/event=0x80,umask=0x2/,arb/event=0x80,umask=0x2,thresh=1/}:W'
>                      \___ unknown term 'thresh' for pmu 'uncore_arb'
> 
> valid terms: event,edge,inv,umask,cmask,config,config1,config2,name,period,percore
> 
> Initial error:
> event syntax error: '..umask=0x2/,arb/event=0x80,umask=0x2,thresh=1/}:W'
>                                   \___ Cannot find PMU `arb'. Missing kernel support?
> 
> root@...-ppc:~# perf test metrics
> 10: PMU events                                 :
> 10.3: Parsing of PMU event table metrics               : Skip (some metrics failed)
> 10.4: Parsing of PMU event table metrics with fake PMUs: Ok
> 67: Parse and process metrics                  : Ok
> 
> After:
> 
> root@...-ppc:~# perf stat -M MEM_Parallel_Reads -- sleep 1
> 
>  Performance counter stats for 'system wide':
> 
>          4,951,646      arb/event=0x80,umask=0x2/ #    26.30 MEM_Parallel_Reads       (50.04%)
>            188,251      arb/event=0x80,umask=0x2,cmask=1/                                     (49.96%)
> 
>        1.000867010 seconds time elapsed
> 
> root@...-ppc:~# perf test metrics
> 10: PMU events                                 :
> 10.3: Parsing of PMU event table metrics               : Ok
> 10.4: Parsing of PMU event table metrics with fake PMUs: Ok
> 67: Parse and process metrics                  : Ok
> 
> Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>

It seems not applied to acme/perf/core cleanly.

Thanks,
Namhyung