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Date: Tue, 20 Oct 2009 10:27:07 -0400 From: Masami Hiramatsu <mhiramat@...hat.com> To: Ingo Molnar <mingo@...e.hu> CC: Frederic Weisbecker <fweisbec@...il.com>, Steven Rostedt <rostedt@...dmis.org>, lkml <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, Arnaldo Carvalho de Melo <acme@...hat.com>, Mike Galbraith <efault@....de>, Paul Mackerras <paulus@...ba.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Christoph Hellwig <hch@...radead.org>, Ananth N Mavinakayanahalli <ananth@...ibm.com>, Jim Keniston <jkenisto@...ibm.com>, "Frank Ch. Eigler" <fche@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, systemtap <systemtap@...rces.redhat.com>, DLE <dle-develop@...ts.sourceforge.net> Subject: Re: [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perf probe and kprobe-tracer bugfixes Ingo Molnar wrote: > > * Masami Hiramatsu <mhiramat@...hat.com> 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. Ah, that's a nice idea :-), it allows user to delete a group of probes, like --del "schedule*". > 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). Sure. 'perf probe --save file' & 'perf probe --restore file' will be fine for me. Thank you, -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhiramat@...hat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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