linux-kernel - Re: [PATCH v3 0/7] perf/probe: Support multiprobe and immediates with fixes

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Message-Id: <20191119224604.1d3665b8e8dfdcfcc2a8f31e@kernel.org>
Date:   Tue, 19 Nov 2019 22:46:04 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
        Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH v3 0/7] perf/probe: Support multiprobe and immediates
 with fixes

On Mon, 18 Nov 2019 19:11:04 -0300
Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> Em Mon, Nov 18, 2019 at 05:11:40PM +0900, Masami Hiramatsu escreveu:
> > Hi Arnaldo,
> > 
> > This is the 3rd version of the multiprobe support on perf probe
> > including some fixes about "representive lines"
> > 
> > The previous thread is here:
> > 
> > https://lkml.kernel.org/r/157314406866.4063.16995747442215702109.stgit@devnote2
> > 
> > On the previous thread, we discussed some issues about incorrect line
> > information shown by perf probe. I finally fixed those by introducing
> > an idea of "representive line" -- a line which has a unique address
> > (no other lines shares the same address) or a line which has the least
> > line number among lines sharing same address. Now perf probe only shows
> > such representive lines can be probed([1/7][3/7]), and if user tries to
> > probe other non representive lines, it shows which line user should
> > probe ([2/7]). The rest of patches in the series are same as v2 (except
> > for [4/7], example output is updated)
> > 
> > This can be applied on top of perf/core.
> 
> Thanks, applied everything, only the two last patches I didn't test, the
> kernel in this machine doesn't have the features it needs, we can fix
> things if some problem lurks there.

Thank you Arnaldo! OK, if anything happens, I'll fix it soon.

Best Regards,
-- 
Masami Hiramatsu <mhiramat@...nel.org>