linux-kernel - Re: [PATCH v5 0/2] perf: add support for logging debug messages to file

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Message-ID: <20191123040910.dfi65lbev7ydtbdo@mail.google.com>
Date:   Sat, 23 Nov 2019 04:09:10 +0000
From:   Changbin Du <changbin.du@...il.com>
To:     Changbin Du <changbin.du@...il.com>
Cc:     Jiri Olsa <jolsa@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/2] perf: add support for logging debug messages to
 file

Hi Jiri, In case you missed this one in your mailbox. :)

On Fri, Oct 18, 2019 at 08:27:55AM +0800, Changbin Du wrote:
> When in TUI mode, it is impossible to show all the debug messages to
> console. This make it hard to debug perf issues using debug messages.
> This patch adds support for logging debug messages to file to resolve
> this problem.
> 
> v5:
>   o doc default log path.
> v4:
>   o fix another segfault.
> v3:
>   o fix a segfault issue.
> v2:
>   o specific all debug options one time.
> 
> Changbin Du (2):
>   perf: support multiple debug options separated by ','
>   perf: add support for logging debug messages to file
> 
>  tools/perf/Documentation/perf.txt |  16 ++--
>  tools/perf/util/debug.c           | 124 ++++++++++++++++++++----------
>  2 files changed, 92 insertions(+), 48 deletions(-)
> 
> -- 
> 2.20.1
> 

-- 
Cheers,
Changbin Du