linux-kernel - Re: [PATCH v2 00/15] tracing: 'hist' triggers

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Date:	Mon, 02 Mar 2015 15:52:03 -0500
From:	Karim Yaghmour <karim.yaghmour@...rsys.com>
To:	Alexei Starovoitov <ast@...mgrid.com>,
	Steven Rostedt <rostedt@...dmis.org>
CC:	Tom Zanussi <tom.zanussi@...ux.intel.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Andi Kleen <andi@...stfloor.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>
Subject: Re: [PATCH v2 00/15] tracing: 'hist' triggers


On 15-03-02 03:48 PM, Alexei Starovoitov wrote:
> good. thanks for explaining.
> all makes sense now.
> 
> btw, that fancy systrace seems to be parsing text from trace_pipe
> https://android.googlesource.com/platform/external/chromium-trace/+/jb-dev/src/tracing/linux_perf_importer.js
> with a bunch of regex...
> including sched_switch: next_prio...

Yes, it does. This is why it's not meant for analyzing large traces.

-- 
Karim Yaghmour
CEO - Opersys inc. / www.opersys.com
http://twitter.com/karimyaghmour

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