Re: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-20 Thread Garrett Cooper
On Sun, Jul 20, 2008 at 7:13 AM, Kris Kennaway <[EMAIL PROTECTED]> wrote: > Murty, Ravi wrote: >> >> Jeremy, thanks. I look forward to switching to ULE in 7.0 and realize >> that it is a completely new scheduler (I spent some time yesterday >> looking at it) -- which is my porting effort is much ha

Re: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-20 Thread Kris Kennaway
Murty, Ravi wrote: Jeremy, thanks. I look forward to switching to ULE in 7.0 and realize that it is a completely new scheduler (I spent some time yesterday looking at it) -- which is my porting effort is much harder than a simple cut and paste. I just wanted to find out if there was something sim

RE: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-20 Thread Murty, Ravi
hanks Ravi -Original Message- From: Jeremy Chadwick [mailto:[EMAIL PROTECTED] Sent: Sunday, July 20, 2008 6:59 AM To: Murty, Ravi Cc: Kris Kennaway; [EMAIL PROTECTED]; freebsd-hackers@freebsd.org Subject: Re: Bug in calcru in he 6.2 and 6.3 kernels On Sun, Jul 20, 2008 at 06:51:22AM -0700, Murty,

Re: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-20 Thread Jeremy Chadwick
On Sun, Jul 20, 2008 at 06:51:22AM -0700, Murty, Ravi wrote: > Has anyone identified the issue(s) that might be broken in the ULE > scheduler in 6.2? I am running a rather simple test - creates 8 threads > and runs it on an 8 CPU system (not a whole lot running on the system). > When I run it with

RE: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-20 Thread Murty, Ravi
might be going on in 6.2 before I spend the time to migrate to 7.0. Thanks Ravi -Original Message- From: Kris Kennaway [mailto:[EMAIL PROTECTED] Sent: Monday, July 07, 2008 2:04 PM To: [EMAIL PROTECTED] Cc: Murty, Ravi; freebsd-hackers@freebsd.org Subject: Re: Bug in calcru in he 6.

Re: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-07 Thread Kris Kennaway
Xin LI wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Kris Kennaway wrote: | Murty, Ravi wrote: |> Hello everyone, |> |> |> |> Finally found what my last problem was. We were running top in a loop |> and running some workloads that called sched_bind() to bind threads to |> specific CPUs. T

Re: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-07 Thread Xin LI
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Kris Kennaway wrote: | Murty, Ravi wrote: |> Hello everyone, |> |> |> |> Finally found what my last problem was. We were running top in a loop |> and running some workloads that called sched_bind() to bind threads to |> specific CPUs. The problem was

Re: Bug in calcru in he 6.2 and 6.3 kernels

2008-07-07 Thread Kris Kennaway
Murty, Ravi wrote: Hello everyone, Finally found what my last problem was. We were running top in a loop and running some workloads that called sched_bind() to bind threads to specific CPUs. The problem was that (and I am using ULE) sched_bind calls a function to notify another CPU of a thre

Bug in calcru in he 6.2 and 6.3 kernels

2008-07-07 Thread Murty, Ravi
Hello everyone, Finally found what my last problem was. We were running top in a loop and running some workloads that called sched_bind() to bind threads to specific CPUs. The problem was that (and I am using ULE) sched_bind calls a function to notify another CPU of a thread and then mi_switche