linux-kernel - Re: [PATCHSET 0/5] perf tools: Add call-graph config options

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Date:	Sun, 21 Sep 2014 12:25:06 -0600
From:	David Ahern <dsahern@...il.com>
To:	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...hat.com>, Milian Wolff <mail@...ianw.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHSET 0/5] perf tools: Add call-graph config options

On 9/20/14, 10:18 AM, Namhyung Kim wrote:
> Hello,
>
> This is patchset to add new callchain related config options so that
> users don't need to pass their preference to the cmdline everytime.
>
> Following config options will be added, and users can set appropriate
> values to ~/.perfconfig file.  Note that the dump-size option is
> meaningful only if record-mode = dwarf.
>
>    $ cat ~/.perfconfig
>    [call-graph]
>      record-mode = dwarf
>      dump-size = 4096
>      print-type = graph
>      order = callee
>      threshold = 0.5
>      print-limit = 128
>      sort-key = function
>
>    $ perf record -vg sleep 1
>    callchain: type DWARF
>    callchain: stack dump size 4096
>    mmap size 528384B
>    [ perf record: Woken up 1 times to write data ]
>    [ perf record: Captured and wrote 0.054 MB perf.data (~2378 samples) ]
>    Looking at the vmlinux_path (7 entries long)
>    Using /lib/modules/3.16.3-1-ARCH/build/vmlinux for symbols
>
>
> You can also get this from 'perf/callchain-config-v1' branch on my tree
>
>    git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git
>

Looks ok to me. Reviewed-by: David Ahern <dsahern@...il.com>

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