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Date:	Tue, 20 Oct 2009 08:54:26 +0200
From:	Ingo Molnar <>
To:	Masami Hiramatsu <>
Cc:	Frederic Weisbecker <>,
	Steven Rostedt <>,
	lkml <>,
	Thomas Gleixner <>,
	Arnaldo Carvalho de Melo <>,
	Mike Galbraith <>,
	Paul Mackerras <>,
	Peter Zijlstra <>,
	Christoph Hellwig <>,
	Ananth N Mavinakayanahalli <>,
	Jim Keniston <>,
	"Frank Ch. Eigler" <>,
	"H. Peter Anvin" <>,
	systemtap <>,
	DLE <>
Subject: Re: [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perf
	probe and kprobe-tracer bugfixes

* Masami Hiramatsu <> wrote:

> How about the following syntax?
> <adding>
> perf probe schedule
> perf probe --add schedule
> <deleting>
> perf probe --del schedule
> perf probe --del all	/* delete all probepoints */
> So, this doesn't symmetric, but provides simple way to add a probe.

agreed. For deletion, eventually this:

  perf probe --del "*"

should also work - as should other regexp (or glob) matches on a range 
of existing probes.

plus there should be a perf probe call to output all current probes as 
perf probe commands - so that it can be saved (and restored).

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