From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Masami Hiramatsu <mhiramat@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>,
Li Zefan <lizf@cn.fujitsu.com>
Subject: Re: [GIT PULL] tracing/kprobes: Kprobes core/tracing/profiling updates
Date: Wed, 23 Sep 2009 23:46:42 +0200 [thread overview]
Message-ID: <20090923214642.GA30061@elte.hu> (raw)
In-Reply-To: <20090923212438.GA5190@nowhere>
* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> On Wed, Sep 23, 2009 at 12:52:52PM +0200, Ingo Molnar wrote:
> > Would be nice to merge latest -git into this tree and resolve the
> > conflicts:
> >
> > kernel/trace/Makefile
> > kernel/trace/trace.h
> > kernel/trace/trace_event_types.h
> > kernel/trace/trace_export.c
> >
> > Then i could pull it into tip:tracing/kprobes for more testing.
> >
> > Ingo
>
>
> I've just merged latest upstream tree into it and pushed
> that in a new branch:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git
> tracing/kprobes-v2
Pulled into tip:tracing/kprobes, thanks Frederic!
> There were several conflicts, not trivial. I hope I haven't missed
> something. But it boots well, I've tested a simple kprobe creation
> and fetched its events through perf without any problem.
>
> Thanks,
> Frederic.
>
> PS: I'd recommend you to define a name when you define a kprobe.
> For example if you want to get the first argument of sys_open,
> don't create it using:
>
> p sys_open a0
>
> but rather:
>
> p:my_probe_name sys_open a0
>
> Otherwise you will get a default kprobe name that doesn't seem
> to make perf trace happy (put in my TODO list).
ok. Right now it's in a cooking branch, tracing/kprobes. I merged it to
tip:master - we can propagate it to tracing/core once it's ready with
all known bugs and quirks fixed and with significant perf functionality
for it.
Ingo
next prev parent reply other threads:[~2009-09-23 21:46 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-22 19:37 [GIT PULL] tracing/kprobes: Kprobes core/tracing/profiling updates Frederic Weisbecker
2009-09-22 19:37 ` [PATCH 01/24] kprobes/x86: Call BUG() when reentering probe into KPROBES_HIT_SS Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 02/24] kprobes/x86-64: Allow to reenter probe on post_handler Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 03/24] kprobes/x86: Fix to add __kprobes to in-kernel fault handing functions Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 04/24] kprobes: Fix to add __kprobes to notify_die Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 05/24] kprobes/x86-64: Fix to move common_interrupt to .kprobes.text Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 06/24] kprobes: Prohibit to probe native_get_debugreg Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 07/24] x86: Allow x86-32 instruction decoder selftest on x86-64 Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 08/24] x86: Remove unused config macros from instruction decoder selftest Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 09/24] x86: Add MMX support for instruction decoder Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 10/24] kprobes/x86-32: Move irq-exit functions to kprobes section Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 11/24] x86/ptrace: Fix regs_get_argument_nth() to add correct offset Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 12/24] tracing/kprobes: Fix probe offset to be unsigned Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 13/24] tracing/kprobes: Cleanup kprobe tracer code Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 14/24] tracing/kprobes: Add event profiling support Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 15/24] tracing/kprobes: Add argument name support Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 16/24] tracing/kprobes: Show event name in trace output Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 17/24] tracing/kprobes: Support custom subsystem for each kprobe event Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 18/24] tracing/kprobes: Fix trace_probe registration order Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 19/24] ftrace: Fix trace_add_event_call() to initialize list Frederic Weisbecker
2009-09-23 1:11 ` Li Zefan
2009-09-23 8:16 ` Masami Hiramatsu
2009-09-22 19:38 ` [PATCH 20/24] ftrace: Fix trace_remove_event_call() to lock trace_event_mutex Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 21/24] tracing/kprobes: Add probe handler dispatcher to support perf and ftrace concurrent use Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 22/24] tracing/kprobes: Fix profiling alignment for perf_counter buffer Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 23/24] tracing/kprobes: Disable kprobe events by default after creation Frederic Weisbecker
2009-09-22 19:38 ` [PATCH 24/24] kprobes: Prevent re-registration of the same kprobe Frederic Weisbecker
2009-09-23 10:52 ` [GIT PULL] tracing/kprobes: Kprobes core/tracing/profiling updates Ingo Molnar
2009-09-23 12:04 ` Frédéric Weisbecker
2009-09-23 16:42 ` Masami Hiramatsu
2009-09-23 21:24 ` Frederic Weisbecker
2009-09-23 21:46 ` Ingo Molnar [this message]
2009-09-23 22:13 ` Ingo Molnar
2009-09-23 22:23 ` Frederic Weisbecker
2009-09-24 0:06 ` Masami Hiramatsu
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