Messages in this thread | | | Date | Mon, 18 Aug 2003 20:37:18 -0400 (EDT) | From | Richard A Nelson <> | Subject | Re: [RFC] Re: Blender profiling-1 O16.2int |
| |
On Tue, 19 Aug 2003, Con Kolivas wrote:
> > Is there a way to figure out when a process is spinning on a wait and > > That's the trick isn't it? No there isn't or else I'd fix it in a jiffy. If > someone can think of a way I'd love to know.
Have you considered instrumenting waits/locks ? I had to do that for a schedular/locks/events (not Linux based), by extending the structures to include current ownership and waiters... At a problem point, you'd then have to use something like sysreq to trigger a scan of the relevant data areas. I had to cause an error and do a postmortem via paper dump :(
-- Rick Nelson > : Any porters out there should feel happier knowing that DEC is shipping > : me an AlphaPC that I intend to try getting linux running on: this will > : definitely help flush out some of the most flagrant unportable stuff. > : The Alpha is much more different from the i386 than the 68k stuff is, so > : it's likely to get most of the stuff fixed. > > It's posts like this that almost convince us non-believers that there > really is a god. -- Anthony Lovell, to Linus's remarks about porting - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |