On Wed, 2007-08-01 at 15:12 +0200, DINH Viêt Hoà wrote: > On 8/1/07, Timo Sirainen <[EMAIL PROTECTED]> wrote: > > On Sun, 2007-07-29 at 21:27 -0400, Gary Gendel wrote: > > > All, > > > > > > Nevermind... I discovered the problem. It was in the Solaris Sun Studio > > > 12 compiler. I created a debug version to begin testing, but that > > > version worked without sucking up the cpu. So it looks like the > > > optimizer messed up. If I used the -fast optimization, it sucks up cpu, > > > but with -xO5 all is well. > > > > I heard about this before too. Would be nice to know if it really is a > > bug in Sun Studio or if the problem is caused by something done wrong in > > Dovecot's code. > > can't you use dtrace or something to know where the CPU time will go ?
Last I heard it was that poll() was called all the time with zero (or 1ms?) timeout. So the problem is probably in src/lib/ioloop.c io_loop_get_wait_time() getting optimized wrong.
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