Re: [PATCH 1/2] trace_events: fix napi's tracepoint

From: Neil Horman
Date: Tue Aug 25 2009 - 06:57:31 EST


On Tue, Aug 25, 2009 at 09:58:16AM +0200, Ingo Molnar wrote:
>
> * Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> wrote:
>
> > Currently, the napi's tracepoint works will is depend on
> > "DECLARE_TRACE" definiens in include/trace/define_trace.h,
> > like below:
> >
> > #include <trace/events/skb.h> // include define_trace.h
> > #include <trace/events/napi.h>
> >
> > there have error, if we remove "#include <trace/events/skb.h>"
> > or include napi.h in the front of include skb.h, It should
> > depend on the definiens in include/linux/tracepoint.h and we
> > can remove the "DECLARE_TRACE" definiens in
> > include/trace/define_trace.h, because "TRACE_EVENT" not use it
> >
> > Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx>
> > ---
> > include/trace/define_trace.h | 4 ----
> > net/core/net-traces.c | 4 +++-
> > 2 files changed, 3 insertions(+), 5 deletions(-)
>
> This will collide with tracing bits in the networking tree. The
> skb-tracing plugin there should be turned into proper TRACE_EVENT()
> tracepoints.
>
> Neil was away for some time but i think soon we should see some
> movement here.
>
> Ingo
>

Thank you Ingo, yes, I'm back from the beach now and will look at this shortly.
I concur, we should just convert the napi_poll tracepoint to be defined via the
TRACE_EVENT macro, same as the kfree_skb tracepoint. Xaio would you like to
take care of that, or shall I?

Best
Neil

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