From: Ingo Molnar <mingo@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 00/19] [GIT PULL][v3.6] ftrace: Allow kprobes to work with ftace
Date: Tue, 31 Jul 2012 17:12:42 +0200 [thread overview]
Message-ID: <20120731151242.GA20169@gmail.com> (raw)
In-Reply-To: <1343663487.27983.7.camel@gandalf.stny.rr.com>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> On Fri, 2012-07-20 at 22:19 -0400, Steven Rostedt wrote:
> > Ingo,
> >
> > This patch series extends ftrace function tracing utility to be
> > more dynamic for its users. It allows for data passing to the callback
> > functions, as well as reading regs as if a breakpoint were to trigger
> > at function entry.
> >
> > The main goal of this patch series was to allow kprobes to use ftrace
> > as an optimized probe point when a probe is placed on an ftrace nop.
> > With lots of help from Masami Hiramatsu, and going through lots of
> > iterations, we finally came up with a good solution.
> >
> > I've tested it vigorously (although, like always, there may be some
> > subtle bug), but I feel it is ready for inclussion for the 3.6 merge
> > window.
>
> As the merge window opened the day after I sent this (which
> was also the same day I left for vacation :-p ), I recommend
> that this goes in v3.7.
Yeah, the timing was a bit unfortunate :-/
> Can you pull this in for 3.7, or do you want me to post
> another pull request after the merge window closes?
No need to resend, will pull it once the merge window dust has
settled a bit.
Thanks,
Ingo
next prev parent reply other threads:[~2012-07-31 15:12 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-21 2:19 [PATCH 00/19] [GIT PULL][v3.6] ftrace: Allow kprobes to work with ftace Steven Rostedt
2012-07-21 2:19 ` [PATCH 01/19] ftrace: Pass ftrace_ops as third parameter to function trace callback Steven Rostedt
2012-07-21 2:19 ` [PATCH 02/19] ftrace: Consolidate arch dependent functions with list function Steven Rostedt
2012-07-21 2:19 ` [PATCH 03/19] ftrace: Return pt_regs to function trace callback Steven Rostedt
2012-07-21 2:19 ` [PATCH 04/19] ftrace/x86_32: Push ftrace_ops in as 3rd parameter to function tracer Steven Rostedt
2012-07-21 2:19 ` [PATCH 05/19] ftrace/x86: Add separate function to save regs Steven Rostedt
2012-07-21 2:19 ` [PATCH 06/19] ftrace/x86: Add save_regs for i386 function calls Steven Rostedt
2012-07-21 2:19 ` [PATCH 07/19] ftrace/x86_32: Simplify parameter setup for ftrace_regs_caller Steven Rostedt
2012-07-23 4:06 ` Masami Hiramatsu
2012-07-21 2:19 ` [PATCH 08/19] ftrace/x86: Remove function_trace_stop check from graph caller Steven Rostedt
2012-07-21 2:19 ` [PATCH 09/19] ftrace: Add default recursion protection for function tracing Steven Rostedt
2012-07-21 2:19 ` [PATCH 10/19] ftrace: Only compile ftrace selftest if selftests are enabled Steven Rostedt
2012-07-21 2:19 ` [PATCH 11/19] ftrace: Add selftest to test function trace recursion protection Steven Rostedt
2012-07-21 2:19 ` [PATCH 12/19] ftrace: Add selftest to test function save-regs support Steven Rostedt
2012-07-21 2:19 ` [PATCH 13/19] ftrace: add ftrace_set_filter_ip() for address based filter Steven Rostedt
2012-07-21 2:19 ` [PATCH 14/19] kprobes: Inverse taking of module_mutex with kprobe_mutex Steven Rostedt
2012-07-21 2:19 ` [PATCH 15/19] kprobes: cleanup to separate probe-able check Steven Rostedt
2012-07-21 2:19 ` [PATCH 16/19] kprobes: Move locks into appropriate functions Steven Rostedt
2012-07-21 2:20 ` [PATCH 17/19] ftrace: Make ftrace_location() a nop on !DYNAMIC_FTRACE Steven Rostedt
2012-07-21 2:20 ` [PATCH 18/19] kprobes: introduce ftrace based optimization Steven Rostedt
2012-07-21 2:20 ` [PATCH 19/19] kprobes/x86: ftrace based optimization for x86 Steven Rostedt
2012-07-30 15:51 ` [PATCH 00/19] [GIT PULL][v3.6] ftrace: Allow kprobes to work with ftace Steven Rostedt
2012-07-31 14:37 ` [GIT PULL][v3.7] (was: Re: [PATCH 00/19] [GIT PULL][v3.6]) " Steven Rostedt
2012-07-31 15:12 ` Ingo Molnar [this message]
2012-08-07 13:23 ` [PATCH 00/19] [GIT PULL][v3.6] " Steven Rostedt
2012-08-21 9:26 ` Ingo Molnar
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