linux-kernel - Re: [PATCH 0/3] tracing/function-graph-tracer: signal interrupt triggering on output

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Date:	Fri, 12 Dec 2008 11:14:48 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] tracing/function-graph-tracer: signal interrupt
	triggering on output


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> Frederic Weisbecker wrote:
> > This patchset adds all the features to draw hardirq triggering on output
> > for the function graph tracer.
> > An example is given on the third patch.
> > 
> > Just one question, on recordmcount.pl:
> > 
> > my %text_sections = (
> >       ".text" => 1,
> >       ".sched.text" => 1,
> >       ".spinlock.text" => 1,
> > 
> > The .sched.text section is included inside .text, it's a subsection, I'm not sure
> > it's necessary to add it in text_sections. In doubt I added the new .irqentry.text
> > 
> > The stat of the patchset:
> > 
> >  arch/x86/kernel/apic.c               |    3 +-
> >  arch/x86/kernel/irq_64.c             |    3 +-
> >  arch/x86/kernel/vmlinux_64.lds.S     |    1 +
> >  include/asm-generic/vmlinux.lds.h    |   10 +++++
> >  include/linux/ftrace.h               |   11 ++++++
> >  kernel/trace/trace_functions_graph.c |   66 +++++++++++++++++++++++++++++++--
> >  scripts/recordmcount.pl              |    1 +
> >  7 files changed, 89 insertions(+), 6 deletions(-)

applied to tip/tracing/function-graph-tracer, thanks Frederic!

The output looks really nice.

	Ingo
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