[PATCH] mieq: Provide better adaptability and diagnostics during mieq overflow

[Julien Cristau]

On Sat, Oct 15, 2011 at 23:09:30 -0700, Jeremy Huddleston wrote:

> This patch changes from a static length event queue (512) to one that starts
> at 128 and grows to 4096 as it overflows, logging each time it grows.
> 
> This change also allows for multiple backtraces to be printed when the server
> is wedged rather than just one.  This increased sampling should help identify
> the true hog in cases where one backtrace might be insufficient.
> 
Isn't mieqEnqueue called from the signal handler?

Cheers,
Julien