linux-kernel - Re: [PATCH 0/7] V2 add syscall tracepoints

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Date:	Thu, 25 Jun 2009 10:20:25 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Jason Baron <jbaron@...hat.com>
CC:	linux-kernel@...r.kernel.org, fweisbec@...il.com, mingo@...e.hu,
	laijs@...fujitsu.com, rostedt@...dmis.org, peterz@...radead.org,
	mathieu.desnoyers@...ymtl.ca, jiayingz@...gle.com,
	mbligh@...gle.com, roland@...hat.com, fche@...hat.com
Subject: Re: [PATCH 0/7] V2 add syscall tracepoints

Jason Baron wrote:
> hi,
> 
> The following is an implementation of Frederic's syscall tracer on top of
> tracepoints. It adds the ability to toggle the entry/exit of each syscall
> via the standard events/syscalls/syscall_blah/enable interface. The
> implementation is done by adding 2 tracepoints. One on entry and one for exit.
> 
> I've tried to address all of the comments from the last posting...updates include:
> -2/7: make arch_init_ftrace_syscalls static, removed locking, make patch bi-sectable
> -3/7: rename DECLARE_TRACE_REG as DECLARE_TRACE_WITH_CALLBACK
> -4/7: make mutex and counter static
> -7/7: add event tracing for syscalls that take no args
> 

The whole patchset:

Reviewed-by: Li Zefan <lizf@...fujitsu.com>

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