linux-kernel - Re: [PATCH perf/urgent] perf tools: Fix the code to strip command name

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Date:   Mon, 24 Apr 2017 18:06:45 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, David Ahern <dsahern@...il.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Taeung Song <treeze.taeung@...il.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH perf/urgent] perf tools: Fix the code to strip command
 name

On Mon, Apr 24, 2017 at 12:44:50PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Apr 20, 2017 at 11:24:30AM +0200, Jiri Olsa escreveu:
> > Recent commit broke command name strip in perf_event__get_comm_ids
> > function. It replaced left to right search for '\n' with rtrim,
> > which actually does right to left search. It occasionally caught
> > earlier '\n' and kept trash in the command name.
> > 
> > Keeping the ltrim, but moving back the left to right '\n' search
> > instead of the rtrim.
> 
> perf/urgent?
>  
> > Fixes: bdd97ca63faa ("perf tools: Refactor the code to strip command name with {l,r}trim()")
> 
> [acme@...et linux]$ git tag --contains bdd97ca63faa
> perf-core-for-mingo-4.12-20170411
> perf-core-for-mingo-4.12-20170413
> perf-core-for-mingo-4.12-20170419
> [acme@...et linux]$ 
> 
> It is just in tip/perf/core, will put in acme/perf/core and push to Ingo
> in my next pull req.

sure, I did not check.. just thought it's urgent from time POV ;-)

thanks,
jirka