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

From: Steven Rostedt
Date: Thu May 03 2012 - 10:12:56 EST


On Thu, 2012-05-03 at 08:57 -0400, Steven Rostedt wrote:

> So it seems to be trace-cmd doing something different that prevents the
> expand from happening. Not sure what it is. If I get time, I'll
> investigate it a little more.

Do the following:

echo 0 > /debug/tracing/tracing_on
echo nop > /debug/tracing/current_tracer

then look at buffer_size_kb.

It's also giving me errors when I try to enable events or anything else
when tracing_on is disabled.

-- Steve


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/