Messages in this thread | | | Date | Tue, 23 Dec 2008 12:29:40 -0500 (EST) | From | Steven Rostedt <> | Subject | Re: ftrace behaviour (was: [PATCH] ftrace: introduce tracing_reset_online_cpus() helper) |
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On Sat, 20 Dec 2008, Pekka Paalanen wrote: > > I thought this was just about not having to do > > $ echo 0 > tracing_enabled > $ echo 28764243 > buffer_size > $ echo 1 > tracing_enabled > > and instead just do > > $ echo 28764243 > buffer_size > > which would do exactly the same, except being easier for the user. > Personally I've never dreamed of any kind of resize-in-flight. >
I must be losing it :-p
You can on tip simply echo 28764243 > buffer_size without disabling the tracer. This change is not in mainline, but I expect it will be in 2.6.29.
I just resized the buffer while running the function tracer. I made the change a while ago.
-- Steve
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