linux-kernel - Re: [PATCHv8 2.6.35-rc4-tip 12/12] perf: Show Potential probe points.

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Message-ID: <20100708202057.GC30946@infradead.org>
Date:	Thu, 8 Jul 2010 16:20:57 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Mark Wielaard <mjw@...hat.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Naren A Devaiah <naren.devaiah@...ibm.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCHv8 2.6.35-rc4-tip 12/12]  perf: Show Potential probe
 points.

> Show all potential probes in a process by pid 21106 across all dsos
> # perf probe -S -p 21106 | tail

Again, a file based interface would be much more useful.  E.g. what
possible probe points do I have in my qemu binary.

Btw, this doesn't mean I want to see the PID based variant removed, it
can be very useful for debugging long running processes.  I just don't
think it's the most important / conveniant one.
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