On Wed, 2011-09-14 at 17:27 -0500, Bruno Wolff III wrote: > On Wed, Sep 14, 2011 at 17:28:10 -0400, > Dave Jones <davej@xxxxxxxxxx> wrote: > > On Wed, Sep 14, 2011 at 03:59:02PM -0500, Bruno Wolff III wrote: > > > > > I think the degree of slow down now, compared with the past, makes this > > > issue a bug. If things are like they are now, I won't be running debug > > > kernels on my rawhide systems. It costs me too much time. It would be > > > nice to know why things changed, as maybe some adjustments could be made > > > (or a bug fixed) so that debug kernels can provide useful information > > > without making such a big impact. > > > > my last comment from the bug asked for someone to provide perf output. > > If we can at least narrow it down to which option is causing people pain, > > maybe we can start to investigate why. > > I'll try to run the perf stuff over the weekend. Kernel compiles are pretty > slow on my hardware, so I am not going to run through all possible > config options, though I can try a couple if there are some prime suspects. > (Normally it's a couple of hours to build one, but the last one took all > night.) There's a few bits of the kernel spec you can poke to make it not build the kernel four times, which will make it faster. I don't recall the precise details, sorry. -- Adam Williamson Fedora QA Community Monkey IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora http://www.happyassassin.net -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
