Re: [PATCH v6 1/3] trace: Make removal of ring buffer pages atomic

[Vaibhav Nagarnaik]

On Thu, May 3, 2012 at 7:12 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> It's also giving me errors when I try to enable events or anything else
> when tracing_on is disabled.

Yes, I had to add a check to see if resizing is safe. I re-used
record_disabled in this patch for that purpose.

In the next patch for "atomic addition of pages" I added a new field
resize_disabled to guard against unsafe resizing. So with that patch,
you won't see this behavior. It also fixes the issue with trace-cmd
where the ring buffer doesn't get expanded.



Vaibhav Nagarnaik
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