linux-kernel - Re: [PATCH v6] perf stat: Fix wrong skipping for per-die aggregation

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:   Thu, 14 Jan 2021 20:00:32 +0100
From:   Jiri Olsa <jolsa@...hat.com>
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, ying.huang@...el.com
Subject: Re: [PATCH v6] perf stat: Fix wrong skipping for per-die aggregation

On Thu, Jan 14, 2021 at 09:27:55AM +0800, Jin Yao wrote:

SNIP

>      2.003776312 S1-D0           1             855616 Bytes llc_misses.mem_read
>      2.003776312 S1-D1           1             949376 Bytes llc_misses.mem_read
>      3.006512788 S0-D0           1            1338880 Bytes llc_misses.mem_read
>      3.006512788 S0-D1           1             920064 Bytes llc_misses.mem_read
>      3.006512788 S1-D0           1             877184 Bytes llc_misses.mem_read
>      3.006512788 S1-D1           1            1020736 Bytes llc_misses.mem_read
>      4.008895291 S0-D0           1             926592 Bytes llc_misses.mem_read
>      4.008895291 S0-D1           1             906368 Bytes llc_misses.mem_read
>      4.008895291 S1-D0           1             892224 Bytes llc_misses.mem_read
>      4.008895291 S1-D1           1             987712 Bytes llc_misses.mem_read
>      5.001590993 S0-D0           1             962624 Bytes llc_misses.mem_read
>      5.001590993 S0-D1           1             912512 Bytes llc_misses.mem_read
>      5.001590993 S1-D0           1             891200 Bytes llc_misses.mem_read
>      5.001590993 S1-D1           1             978432 Bytes llc_misses.mem_read
> 
> On no-die system, die_id is 0, actually it's hashmap(socket,0), original behavior
> is not changed.
> 
> Reported-by: Huang Ying <ying.huang@...el.com>
> Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
> ---
> v6:
>  Fix the perf test python failure by adding hashmap.c to python-ext-sources.
> 
>  root@...-ppc:~# ./perf test python
>  19: 'import perf' in python                                         : Ok

Acked-by: Jiri Olsa <jolsa@...hat.com>

thanks,
jirka