tracing: Add an option for disabling markers
In our application, we have trace markers spread through user-space. We have markers in GL, X, etc. These are super handy for Chrome's about:tracing feature (Chrome + system + kernel trace view), but can be very distracting when you're trying to debug a kernel issue. I normally, use "grep -v tracing_mark_write" but it would be nice if I could just temporarily disable markers all together. Link: http://lkml.kernel.org/r/1347066739-26285-1-git-send-email-msb@chromium.org CC: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: NMandeep Singh Baines <msb@chromium.org> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
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