Re: High priority tasks break SMP balancer?

Hi Micah On my machine (2-way Opteron with a vanilla 2.6.23.1 kernel) this test program will reliably put the scheduler into a state where one CPU has both of the busy-looping processes in its runqueue, and the other CPU is usually idle. The usually-idle CPU will have a very high cpu_load, as

Re: High priority tasks break SMP balancer?

Hi Micah On my machine (2-way Opteron with a vanilla 2.6.23.1 kernel) this test program will reliably put the scheduler into a state where one CPU has both of the busy-looping processes in its runqueue, and the other CPU is usually idle. The usually-idle CPU will have a very high cpu_load, as

Re: aim7 -30% regression in 2.6.24-rc1

Zhang, Yanmin wrote: On Thu, 2007-11-01 at 11:02 +0100, Cyrus Massoumi wrote: Zhang, Yanmin wrote: On Wed, 2007-10-31 at 17:57 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 16:36 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 08:26 +0100, Ingo Molnar wrote: * Zhang, Yanmin <[EM

Re: aim7 -30% regression in 2.6.24-rc1

Zhang, Yanmin wrote: On Thu, 2007-11-01 at 11:02 +0100, Cyrus Massoumi wrote: Zhang, Yanmin wrote: On Wed, 2007-10-31 at 17:57 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 16:36 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 08:26 +0100, Ingo Molnar wrote: * Zhang, Yanmin [EMAIL

Re: aim7 -30% regression in 2.6.24-rc1

Zhang, Yanmin wrote: On Wed, 2007-10-31 at 17:57 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 16:36 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 08:26 +0100, Ingo Molnar wrote: * Zhang, Yanmin <[EMAIL PROTECTED]> wrote: sub-bisecting captured patch

Re: aim7 -30% regression in 2.6.24-rc1

Zhang, Yanmin wrote: On Wed, 2007-10-31 at 17:57 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 16:36 +0800, Zhang, Yanmin wrote: On Tue, 2007-10-30 at 08:26 +0100, Ingo Molnar wrote: * Zhang, Yanmin [EMAIL PROTECTED] wrote: sub-bisecting captured patch