From: Arnaldo Carvalho de Melo <email@example.com>
To: Stephane Eranian <firstname.lastname@example.org>
Cc: email@example.com, firstname.lastname@example.org,
Subject: Re: [PATCH] perf: fix broken perf inject -b
Date: Mon, 30 Jan 2012 18:04:32 -0200 [thread overview]
Message-ID: <20120130200432.GC5797@infradead.org> (raw)
Em Mon, Jan 30, 2012 at 08:53:26PM +0100, Stephane Eranian escreveu:
> On Mon, Jan 30, 2012 at 8:00 PM, Arnaldo Carvalho de Melo
> <email@example.com> wrote:
> > Em Mon, Jan 16, 2012 at 07:53:28PM +0100, Stephane Eranian escreveu:
> > > On Fri, Jan 13, 2012 at 5:54 PM, Stephane Eranian <firstname.lastname@example.org> wrote:
> > > > On Fri, Jan 13, 2012 at 5:53 PM, Arnaldo Carvalho de Melo <email@example.com> wrote:
> > > >> Em Fri, Jan 13, 2012 at 03:47:31PM +0100, Stephane Eranian escreveu:
> > > >>> perf inject -b was broken. It would not inject any build_ids
> > > >>> into the stream. Furthermore, it would strip samples from the
> > > >>> stream.
> > <SNIP>
> > > >>> @@ -173,6 +178,7 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
> > > >>> goto repipe;
> > > >>> }
> > > >>> + machine->pid = event->ip.pid;
> > > I noticed that this statement conflicts with perf buildid-list (which
> > > I am also fixing for pipe mode).
> > > I don't quite understand why, though.
> > Have you reached any conclusion about this problem? I haven't looked at
> > it in detail, could you please elaborate more?
> I ended up removing it. But I am not sure this is correct.
> Is the pid used in any way when processing buildids?
I can't think of any.
The same DSO could conceivably be present in the virtual machine, the
host, and in the workstation used for perf report. We just use the
build-id in the perf.data file to find the right symtab.
next prev parent reply other threads:[~2012-01-30 20:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-13 14:47 [PATCH] perf: fix broken perf inject -b Stephane Eranian
2012-01-13 16:53 ` Arnaldo Carvalho de Melo
2012-01-13 16:54 ` Stephane Eranian
2012-01-16 18:53 ` Stephane Eranian
2012-01-30 19:00 ` Arnaldo Carvalho de Melo
2012-01-30 19:53 ` Stephane Eranian
2012-01-30 20:04 ` Arnaldo Carvalho de Melo [this message]
2012-01-30 20:09 ` Stephane Eranian
2012-01-30 20:36 ` Arnaldo Carvalho de Melo
2012-01-31 5:58 ` Yanmin Zhang
2012-02-02 11:22 ` Stephane Eranian
2012-02-03 3:30 ` Yanmin Zhang
2012-01-26 14:16 ` Stephane Eranian
2012-01-26 14:23 ` Arnaldo Carvalho de Melo
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