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From: Frederic Weisbecker <fweisbec@gmail.com>
To: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>,
	lkml <linux-kernel@vger.kernel.org>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Andi Kleen <ak@linux.intel.com>,
	Christoph Hellwig <hch@infradead.org>,
	"Frank Ch. Eigler" <fche@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Jason Baron <jbaron@redhat.com>,
	Jim Keniston <jkenisto@us.ibm.com>,
	"K.Prasad" <prasad@linux.vnet.ibm.com>,
	Lai Jiangshan <laijs@cn.fujitsu.com>,
	Li Zefan <lizf@cn.fujitsu.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
	Tom Zanussi <tzanussi@gmail.com>,
	systemtap <systemtap@sources.redhat.com>,
	DLE <dle-develop@lists.sourceforge.net>
Subject: Re: [PATCH tracing/kprobes 0/7] tracing/kprobes: kprobe-based event tracer update and perf support
Date: Fri, 11 Sep 2009 17:36:10 +0200	[thread overview]
Message-ID: <20090911153609.GA6069@nowhere> (raw)
In-Reply-To: <20090910235258.22412.29317.stgit@dhcp-100-2-132.bos.redhat.com>

On Thu, Sep 10, 2009 at 07:52:58PM -0400, Masami Hiramatsu wrote:
> Hi Frederic,
> 
> This series fixes bugs and upgrades kprobe-based event tracer
> as a dynamic event tracer on ftrace/perf tools. This also enhances
> tracer output format to show each argument name and event name on
> each entry.
> 
> With this series, users can add trace events dynamically on ftrace
> and use those events with perf tools as below.
> 
> (Step.1) Define new events under new group
> 
> $ echo p:mygroup/myprobe do_sys_open dfd=a0 filename=a1 flags=a2 mode=a3 \
>  > /debug/tracing/kprobes_events
> $ echo r:mygroup/myretprobe do_sys_open rv >> /debug/tracing/kprobes_events
> $ cat /debug/tracing/kprobes_events
> p:myprobe do_sys_open+0 dfd=a0 filename=a1 flags=a2 mode=a3
> r:myretprobe do_sys_open+0 rv=rv



I've tested the above example and it works very well,
so I've applied this set, and the previous pending patches
in:

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git \
	tracing/kprobes

Thanks.


  parent reply	other threads:[~2009-09-11 15:36 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-10 23:52 [PATCH tracing/kprobes 0/7] tracing/kprobes: kprobe-based event tracer update and perf support Masami Hiramatsu
2009-09-10 23:53 ` [PATCH tracing/kprobes 1/7] x86/ptrace: Fix regs_get_argument_nth() to add correct offset Masami Hiramatsu
2009-09-11  1:43   ` Steven Rostedt
2009-10-17  9:59   ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-10 23:53 ` [PATCH tracing/kprobes 2/7] tracing/kprobes: Fix probe offset to be unsigned Masami Hiramatsu
2009-10-17  9:59   ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-10 23:53 ` [PATCH tracing/kprobes 3/7] tracing/kprobes: Cleanup kprobe tracer code Masami Hiramatsu
2009-09-11  2:33   ` Daniel Walker
2009-09-11  2:36     ` Frederic Weisbecker
2009-10-17  9:59   ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-10 23:53 ` [PATCH tracing/kprobes 4/7] tracing/kprobes: Add event profiling support Masami Hiramatsu
2009-09-11  3:12   ` Frederic Weisbecker
2009-09-11 16:22     ` Masami Hiramatsu
2009-09-14  3:02       ` Frederic Weisbecker
2009-09-14 16:54         ` Masami Hiramatsu
2009-09-14 18:55           ` Frederic Weisbecker
2009-09-14 19:36             ` Masami Hiramatsu
2009-09-14 21:07               ` Frederic Weisbecker
2009-09-15  4:52                 ` Ananth N Mavinakayanahalli
2009-09-11 19:30     ` Masami Hiramatsu
2009-09-14  3:08       ` Frederic Weisbecker
2009-09-13 10:07     ` [BUGFIX] kprobes: prevent re-registration of the same kprobe Ananth N Mavinakayanahalli
2009-09-14  1:47       ` Masami Hiramatsu
2009-09-14 10:04         ` [BUGFIX] kprobes: prevent re-registration of the same kprobe - take2 Ananth N Mavinakayanahalli
2009-09-14 16:25           ` Masami Hiramatsu
2009-09-15  5:13             ` Ananth N Mavinakayanahalli
2009-09-15 13:29               ` Masami Hiramatsu
2009-10-17 10:02               ` [tip:perf/probes] kprobes: Prevent re-registration of the same kprobe tip-bot for Ananth N Mavinakayanahalli
2009-10-17  9:59   ` [tip:perf/probes] tracing/kprobes: Add event profiling support tip-bot for Masami Hiramatsu
2009-09-10 23:53 ` [PATCH tracing/kprobes 5/7] tracing/kprobes: Add argument name support Masami Hiramatsu
2009-09-11 14:07   ` Steven Rostedt
2009-09-11 16:11     ` Masami Hiramatsu
2009-09-11 16:32       ` Masami Hiramatsu
2009-10-17 10:00   ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-10 23:53 ` [PATCH tracing/kprobes 6/7] tracing/kprobes: Show event name in trace output Masami Hiramatsu
2009-10-17 10:00   ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-10 23:53 ` [PATCH tracing/kprobes 7/7] tracing/kprobes: Support custom subsystem for each kprobe event Masami Hiramatsu
2009-10-17 10:00   ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-11  1:33 ` [PATCH tracing/kprobes 0/7] tracing/kprobes: kprobe-based event tracer update and perf support Frederic Weisbecker
2009-09-11  1:45   ` Steven Rostedt
2009-09-11 16:03   ` Masami Hiramatsu
2009-09-14  2:59     ` Frederic Weisbecker
2009-09-14 17:16       ` Masami Hiramatsu
2009-09-14 20:52         ` Frederic Weisbecker
2009-09-14 21:10           ` Masami Hiramatsu
2009-09-14 21:09             ` Frederic Weisbecker
2009-09-11 19:03   ` Frank Ch. Eigler
2009-09-11 19:06     ` Christoph Hellwig
2009-09-11 19:50       ` Mark Wielaard
2009-09-11 20:03         ` Christoph Hellwig
2009-09-12  1:23           ` Masami Hiramatsu
2009-09-11 19:15     ` Frederic Weisbecker
2009-09-11 15:36 ` Frederic Weisbecker [this message]
2009-09-11 21:48   ` Masami Hiramatsu
2009-09-14  2:22     ` Frederic Weisbecker

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