linux-kernel - Re: [PATCH] perf script: Show hw-cache events

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]

Message-ID: <20180608164755.GJ17292@kernel.org>
Date:   Fri, 8 Jun 2018 13:47:55 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Seeteena Thoufeek <s1seetee@...ux.vnet.ibm.com>
Cc:     peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        namhyung@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf script: Show hw-cache events

Em Fri, Jun 08, 2018 at 04:32:28PM +0530, Seeteena Thoufeek escreveu:
> perf script fails to report hardware cache events (PERF_TYPE_HW_CACHE)
> where as perf report shows the samples. Fix it. Ex,
> 
>  # perf record -e L1-dcache-loads ./a.out
>   [ perf record: Woken up 1 times to write data ]
>   [ perf record: Captured and wrote 0.008 MB perf.data (11 samples)]
> 
> Before patch:
>  # perf script | wc -l
>  0
> After patch:
>  # perf script | wc -l
>  11

Thanks, tested and applied.

- Arnaldo