Re: [PATCH 3/3] tracing/perf: Avoid perf_trace_buf_*() inperf_trace_##call() when possible

From: Steven Rostedt
Date: Wed Jun 19 2013 - 14:25:00 EST

On Wed, 2013-06-19 at 20:12 +0200, Oleg Nesterov wrote:

> > Or is this your way to confuse me as much as my code has confused
> > you? ;-)
> Of course! this was the main reason.

I knew it!

> Steven, I convinced myself the patch should be correct. If you agree with
> this hack:
> - anything else I should do apart from the change above?
> - should I resend the previous "[PATCH 0/3] tracing: more
> list_empty(perf_events) checks" series?
> This series depends on "[PATCH 3/3] tracing/perf: Move the
> PERF_MAX_TRACE_SIZE check into perf_trace_buf_prepare()".
> Or I can drop this patch if you do not like it and rediff.
> Just in case, there are other pending patches in trace_kprobe.c
> which I am going to resend, but they are orthogonal.

I'll pull in the patches and play with them. I'll let you know what I


-- Steve

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