linux-kernel - Re: [PATCH 19/19] perf tools: allow non-matching sample types

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: <52614DC6.2070002@gmail.com>
Date:	Fri, 18 Oct 2013 09:03:34 -0600
From:	David Ahern <dsahern@...il.com>
To:	Adrian Hunter <adrian.hunter@...el.com>
CC:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 19/19] perf tools: allow non-matching sample types

On 10/18/13 8:50 AM, Adrian Hunter wrote:
> On 18/10/13 17:25, David Ahern wrote:
>> Arnaldo and I have discussed adding callchain handling to perf-trace. To do
>> that we only need stack data (including IP) for one event -- eg,
>> raw_syscalls:sys_enter. That means raw_syscalls:sys_enter and
>> raw_syscalls:sys_exit will have different attributes set - including ones in
>> the MASK.
>
> So how do you know which sample is which?

We need a solution to the problem, and my point is I don't want to 
increase data in all samples.

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/