linux-kernel - Re: [PATCH v2 4/5] perf record: add meta-data support for pipe-mode

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: <4FB67DE5.8050000@gmail.com>
Date:	Fri, 18 May 2012 10:50:45 -0600
From:	David Ahern <dsahern@...il.com>
To:	Stephane Eranian <eranian@...gle.com>, acme@...hat.com
CC:	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu
Subject: Re: [PATCH v2 4/5] perf record: add meta-data support for pipe-mode

On 5/16/12 1:41 AM, Stephane Eranian wrote:
> On Wed, May 16, 2012 at 5:34 AM, David Ahern<dsahern@...il.com>  wrote:
>> I love the feature and it works nicely, but there has been push back on
>> adding more synthesized events.  Also the size of the patch is a bit much to
>> take in. If there is no objection to the synthesized can you break the patch
>> up -- e.g., introduce the events in one, synthesis and processing functions
>> in another, plug into the commands, ...
>>
> Without new synthesized events, you cannot make this work. This is by
> construction
> of the pipe mode. Meta-data has be be injected in the stream and
> therefore it needs
> PERF_RECORD_* types.

Understood. I don't object to synthesized events.

Arnaldo: preferences?

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/