Hi everyone,
I'm new to sup and really like the interface and the features. But, I
popped up powertop while it was running and sup accounts for a constant 100
wakeups/second, much more than the one or two wakeups/sec from our old
friend mutt.
I haven't done much ruby but can make my way through
Excerpts from Chris Mason's message of 2010-11-09 19:40:58 -0500:
> Hi everyone,
>
> I'm new to sup and really like the interface and the features. But, I
> popped up powertop while it was running and sup accounts for a constant 100
> wakeups/second, much more than the one or two wakeups/sec from
Excerpts from Chris Mason's message of 2010-11-10 15:41:30 +0100:
> strace showed we were hammering on futexes, and a little digging made it
> clear sup isn't to blame. The ruby timer thread is polling for
> signals (or something) every 10ms:
>
> http://redmine.ruby-lang.org/issues/show/3436
>
>
Reformatted excerpts from Chris Mason's message of 2010-11-10:
> I patched up ruby to poll every 500ms and things seem to work. Not
> sure why the ruby developers didn't just change the timeout, but
> chances are good they have a real reason.
Yeah, the last time someone investigated this, they de
Excerpts from William Morgan's message of 2010-11-10 13:35:41 -0500:
> Reformatted excerpts from Chris Mason's message of 2010-11-10:
> > I patched up ruby to poll every 500ms and things seem to work. Not
> > sure why the ruby developers didn't just change the timeout, but
> > chances are good the