linux-kernel - Re: [PATCH 2/3] perf script: Replace "struct thread" with "struct addr_location" as a parameter for "process

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Message-ID: <20120517162229.GD12911@infradead.org>
Date:	Thu, 17 May 2012 13:22:30 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	David Ahern <dsahern@...il.com>
Cc:	Feng Tang <feng.tang@...el.com>, mingo@...e.hu,
	a.p.zijlstra@...llo.nl, robert.richter@....com, ak@...ux.intel.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] perf script: Replace "struct thread" with "struct
 addr_location" as a parameter for "process_event()"

Em Thu, May 17, 2012 at 10:08:16AM -0600, David Ahern escreveu:
> On 5/17/12 9:45 AM, Arnaldo Carvalho de Melo wrote:
> >Em Wed, May 16, 2012 at 08:59:14PM +0800, Feng Tang escreveu:
> >>Both perl and python script start processing events other than trace
> >>points, and it's useful to pass the resolved symbol and the dso info
> >>to the event handler in script for better analysis and statistics.
> >>
> >>Struct thread is already a member of struct addr_location, using
> >>addr_location will keep the thread info, while providing additional
> >>symbol and dso info if exist, so that the script itself doesn't need
> >>to bother to do the symbol resolving and dso searching work.
> >
> >This seems ok.
> >
> >David, any objections or suggestions?
> 
> perf_event__preprocess_sample calls thread__find_addr_map which sets
> al->thread and the preprocess_sample is invoked prior to
> process_event, so it should be fine.
> 
> That said, I would like to test it. Unfortunately I am knee deep
> debugging some local perf breakage. Give me a couple of days to get
> back to this.

Thanks!

- Arnaldo
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