linux-kernel - Re: [PATCH 4/4] perf annotate: More exactly grep -v of the objdump command

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Message-ID: <20170321183229.GF3641@kernel.org>
Date:   Tue, 21 Mar 2017 15:32:29 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Taeung Song <treeze.taeung@...il.com>
Cc:     linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Wang Nan <wangnan0@...wei.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH 4/4] perf annotate: More exactly grep -v of the objdump
 command

Em Tue, Mar 21, 2017 at 03:29:50PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Mar 22, 2017 at 01:19:49AM +0900, Taeung Song escreveu:
> > On 03/21/2017 11:37 PM, Arnaldo Carvalho de Melo wrote:
> > > > +++ b/tools/perf/util/annotate.c
> > > > @@ -1443,7 +1443,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na
> > > >  	snprintf(command, sizeof(command),
> > > >  		 "%s %s%s --start-address=0x%016" PRIx64
> > > >  		 " --stop-address=0x%016" PRIx64
> > > > -		 " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand",
> > > > +		 " -l -d %s %s -C %s 2>/dev/null|grep -v %s: |expand",
> 
> > > Are you sure this works as you expect? I.e. both lines will have '%s:'
>  
> > Yes, if we do, we can exactly the only below line without the side effect
> > IMHO.
> 
> yeah, because the .c is not there, ok gotcha, will get your new commit
> log message, massage it a bit and apply the patch.

Nah, with all this in mind, the original message is good enough, sorry
for the confusion with the .c and the space after ':' (that I removed,
needless and potentially confusing, as we saw here).

- Arnaldo