linux-kernel - Re: [PATCH V5 00/25] perf tools: Introduce an abstraction for Instruction Tracing

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Message-ID: <55006579.4000402@intel.com>
Date:	Wed, 11 Mar 2015 17:55:37 +0200
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: Re: [PATCH V5 00/25] perf tools: Introduce an abstraction for Instruction
 Tracing

On 7/03/2015 11:06 p.m., Adrian Hunter wrote:
> Hi
>
> Here is V5 of some more preparatory patches for Intel PT
> that introduce an abstraction for Instruction tracing.
>
> The Intel PT driver is not yet in tip.
>
> Peter, could we please have Alex's 14 patches applied to
> tip?

Peter, I know you are really busy, but it would be helpful to know
what you plan to do?

>
> The master branch of the tree:
>
> 	git://git.infradead.org/users/ahunter/linux-perf.git
>
> contains these patches plus Intel PT and BTS and the kernel driver.
>
> Arnaldo, I have re-based on tip because of the conflict
> with your ordered-events changes. I will have a closer look
> at that next week.

I took a closer look and resolved the conflict by introducing:

static int perf_session__deliver_ordered_event(struct ordered_events *oe,
                                                struct ordered_event *event,
                                                struct perf_sample *sample)
{
         struct perf_session *session =
                         container_of(oe, struct perf_session, ordered_events);

         return perf_session__deliver_event(session, event->event, sample,
                                            oe->tool, event->file_offset);
}

I will send another revision of the patch set, but I am also
considered renaming everything from "itrace" to something more
generic. Possibly "auxtrace" or "hwtrace". Any preferences?



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