linux-kernel - Re: [RFC/PATCHSET 00/15] perf report: Add support to accumulate hist periods

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] [day] [month] [year] [list]

Date:	Wed, 31 Oct 2012 16:24:27 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arun Sharma <asharma@...com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Paul Mackerras <paulus@...ba.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [RFC/PATCHSET 00/15] perf report: Add support to accumulate hist periods

On Tue, 30 Oct 2012 10:01:10 +0100, Ingo Molnar wrote:
> * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
>
>> On Tue, 2012-10-30 at 15:59 +0900, Namhyung Kim wrote:
>
>> > Yes, the callchain part needs to be improved.  Peter's idea 
>> > indeed looks good to me too.
>> 
>> FWIW, I think this is exactly what sysprof does, except that 
>> tool isn't usable for other reasons.. You might want to look 
>> at it though.
>
> I always found the fundamental sysprof system-wide call graph 
> profiling output/view superior - and so do many Xorg developers 
> who are using SysProf that I talked to - so I'd strongly 
> encourage to use that ordering and grouping for the default perf 
> call-graph profiling output/view.

Okay, I'll look at the sysprof.

Anyway, do you have any other comments for the general --cumulate
approach in this series (esp. with --branch-stack)?

Thanks,
Namhyung
--
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/