From: Masami Hiramatsu <mhiramat@redhat.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
lkml <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Mike Galbraith <efault@gmx.de>, Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Christoph Hellwig <hch@infradead.org>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Jim Keniston <jkenisto@us.ibm.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>,
systemtap <systemtap@sources.redhat.com>,
DLE <dle-develop@lists.sourceforge.net>
Subject: Re: [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perf probe and kprobe-tracer bugfixes
Date: Tue, 20 Oct 2009 10:27:07 -0400 [thread overview]
Message-ID: <4ADDC8BB.3030207@redhat.com> (raw)
In-Reply-To: <20091020065426.GN8550@elte.hu>
Ingo Molnar wrote:
>
> * Masami Hiramatsu <mhiramat@redhat.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@redhat.com
next prev parent reply other threads:[~2009-10-20 14:25 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-17 0:07 [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perf probe and kprobe-tracer bugfixes Masami Hiramatsu
2009-10-17 0:07 ` [PATCH -tip tracing/kprobes 1/9] tracing/kprobes: Update kprobe-tracer selftest against new syntax Masami Hiramatsu
2009-10-17 10:04 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:07 ` [PATCH -tip tracing/kprobes 2/9] tracing/kprobes: Add failure messages for debugging Masami Hiramatsu
2009-10-17 10:05 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:07 ` [PATCH -tip tracing/kprobes 3/9] x86: Add MMX/SSE opcode groups to opcode map Masami Hiramatsu
2009-10-17 10:05 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:07 ` [PATCH -tip tracing/kprobes 4/9] x86: Add AMD prefetch and 3DNow! opcodes " Masami Hiramatsu
2009-10-17 10:05 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:07 ` [PATCH -tip tracing/kprobes 5/9] perf: Check libdwarf APIs for perf probe Masami Hiramatsu
2009-10-17 10:05 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:08 ` [PATCH -tip tracing/kprobes 6/9] perf: Use die() for error cases in perf-probe Masami Hiramatsu
2009-10-17 10:06 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:08 ` [PATCH -tip tracing/kprobes 7/9] perf: Use eprintf() for debug messages " Masami Hiramatsu
2009-10-17 10:06 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:08 ` [PATCH -tip tracing/kprobes 8/9] perf: Add DIE_IF() macro for error checking Masami Hiramatsu
2009-10-17 10:06 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 0:08 ` [PATCH -tip tracing/kprobes 9/9] perf: Add perf-probe document Masami Hiramatsu
2009-10-17 10:06 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-10-17 8:02 ` [PATCH -tip tracing/kprobes 0/9] tracing/kprobes, perf: perf probe and kprobe-tracer bugfixes Ingo Molnar
2009-10-17 10:34 ` Ingo Molnar
2009-10-17 10:37 ` Ingo Molnar
2009-10-18 6:01 ` Masami Hiramatsu
2009-10-19 7:51 ` Ingo Molnar
2009-10-19 11:00 ` Frederic Weisbecker
2009-10-19 11:21 ` Ingo Molnar
2009-10-19 19:32 ` Frederic Weisbecker
2009-10-20 6:43 ` Ingo Molnar
2009-10-20 17:51 ` Frederic Weisbecker
2009-10-19 19:51 ` Masami Hiramatsu
2009-10-19 22:54 ` Masami Hiramatsu
2009-10-20 6:51 ` Ingo Molnar
2009-10-21 0:05 ` Masami Hiramatsu
2009-10-20 6:50 ` Ingo Molnar
2009-10-20 14:38 ` Masami Hiramatsu
2009-10-19 16:18 ` Arnaldo Carvalho de Melo
2009-10-20 17:45 ` Frederic Weisbecker
2009-10-19 18:56 ` Masami Hiramatsu
2009-10-20 6:54 ` Ingo Molnar
2009-10-20 14:27 ` Masami Hiramatsu [this message]
2009-10-19 23:10 ` Ashwin Chaugule
2009-10-20 0:30 ` Masami Hiramatsu
2009-10-20 1:59 ` Ashwin Chaugule
2009-10-20 6:55 ` Ingo Molnar
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