Messages in this thread | | | Date | Wed, 12 Nov 2008 23:16:23 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 2/2] tracing/function-return-tracer: Call prepare_ftrace_return by registers |
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* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> Impact: Optimize a bit the function return tracer > > This patch changes the calling convention of prepare_ftrace_return > to pass its arguments by register. This will optimize it a bit and > prepare it to support dynamic tracing. > > Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> > Cc: Steven Rostedt <rostedt@goodmis.org> > --- > arch/x86/kernel/entry_32.S | 5 +---- > arch/x86/kernel/ftrace.c | 1 - > 2 files changed, 1 insertions(+), 5 deletions(-)
applied to tip/tracing/function-return-tracer, thanks Frederic!
btw., should we now rename it all to the function-cost tracer?
Ingo
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