Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-23 Thread Con Kolivas
On Monday 23 April 2007 00:35, Con Kolivas wrote: > On Monday 23 April 2007 00:22, Willy Tarreau wrote: > > X is still somewhat jerky, even > > at nice -19. I'm sure it happens when it's waiting in the other array. We > > should definitely manage to get rid of this if we want to ensure low > > late

Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Monday 23 April 2007 00:27, Michael Gerdau wrote: > > Anyway the more important part is... Can you test this patch please? Dump > > all the other patches I sent you post 045. Michael, if you could test too > > please? > > Have it up running for 40 minutes now and my perljobs show a constant > cp

Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Sunday 22 April 2007 23:07, Willy Tarreau wrote: > On Sun, Apr 22, 2007 at 10:18:32PM +1000, Con Kolivas wrote: > > On Sunday 22 April 2007 21:42, Con Kolivas wrote: > > > > Willy I'm still investigating the idle time and fluctuating load as a > > separate issue. > > OK. > > > Is it possible the

Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Willy Tarreau
On Sun, Apr 22, 2007 at 10:18:32PM +1000, Con Kolivas wrote: > On Sunday 22 April 2007 21:42, Con Kolivas wrote: > > Willy I'm still investigating the idle time and fluctuating load as a > separate > issue. OK. > Is it possible the multiple ocbench processes are naturally > synchronising and

Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Monday 23 April 2007 00:22, Willy Tarreau wrote: > On Sun, Apr 22, 2007 at 10:18:32PM +1000, Con Kolivas wrote: > > On Sunday 22 April 2007 21:42, Con Kolivas wrote: > > > > Willy I'm still investigating the idle time and fluctuating load as a > > separate issue. Is it possible the multiple ocbe

Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Michael Gerdau
> Anyway the more important part is... Can you test this patch please? Dump > all the other patches I sent you post 045. Michael, if you could test too > please? Have it up running for 40 minutes now and my perljobs show a constant cpu utilization of 100/50/50 in top most of the time. When the 100

Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Willy Tarreau
On Sun, Apr 22, 2007 at 10:18:32PM +1000, Con Kolivas wrote: > On Sunday 22 April 2007 21:42, Con Kolivas wrote: > > Willy I'm still investigating the idle time and fluctuating load as a > separate > issue. Is it possible the multiple ocbench processes are naturally > synchronising and desynchr

Re: [ck] Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Sunday 22 April 2007 21:42, Con Kolivas wrote: Willy I'm still investigating the idle time and fluctuating load as a separate issue. Is it possible the multiple ocbench processes are naturally synchronising and desynchronising and choosing to sleep and/or run at the same time? I can remove t

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Sunday 22 April 2007 19:14, Willy Tarreau wrote: > On Sun, Apr 22, 2007 at 06:53:58PM +1000, Con Kolivas wrote: > > On Sunday 22 April 2007 18:06, Willy Tarreau wrote: > > > On Sun, Apr 22, 2007 at 05:31:58PM +1000, Con Kolivas wrote: > > > > On Sunday 22 April 2007 17:27, Con Kolivas wrote: > >

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Sunday 22 April 2007 19:14, Willy Tarreau wrote: > On Sun, Apr 22, 2007 at 06:53:58PM +1000, Con Kolivas wrote: > > On Sunday 22 April 2007 18:06, Willy Tarreau wrote: > > > On Sun, Apr 22, 2007 at 05:31:58PM +1000, Con Kolivas wrote: > > > > On Sunday 22 April 2007 17:27, Con Kolivas wrote: > >

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Willy Tarreau
On Sun, Apr 22, 2007 at 06:53:58PM +1000, Con Kolivas wrote: > On Sunday 22 April 2007 18:06, Willy Tarreau wrote: > > On Sun, Apr 22, 2007 at 05:31:58PM +1000, Con Kolivas wrote: > > > On Sunday 22 April 2007 17:27, Con Kolivas wrote: > > > > On Sunday 22 April 2007 17:00, Willy Tarreau wrote: > >

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Sunday 22 April 2007 18:06, Willy Tarreau wrote: > On Sun, Apr 22, 2007 at 05:31:58PM +1000, Con Kolivas wrote: > > On Sunday 22 April 2007 17:27, Con Kolivas wrote: > > > On Sunday 22 April 2007 17:00, Willy Tarreau wrote: > > > > On Sun, Apr 22, 2007 at 02:41:48PM +1000, Con Kolivas wrote: > >

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Willy Tarreau
On Sun, Apr 22, 2007 at 05:31:58PM +1000, Con Kolivas wrote: > On Sunday 22 April 2007 17:27, Con Kolivas wrote: > > On Sunday 22 April 2007 17:00, Willy Tarreau wrote: > > > On Sun, Apr 22, 2007 at 02:41:48PM +1000, Con Kolivas wrote: > > > > A significant bugfix for SMP balancing was just posted

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Sunday 22 April 2007 17:27, Con Kolivas wrote: > On Sunday 22 April 2007 17:00, Willy Tarreau wrote: > > On Sun, Apr 22, 2007 at 02:41:48PM +1000, Con Kolivas wrote: > > > A significant bugfix for SMP balancing was just posted for the > > > staircase deadline cpu scheduler which improves behavio

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Con Kolivas
On Sunday 22 April 2007 17:00, Willy Tarreau wrote: > On Sun, Apr 22, 2007 at 02:41:48PM +1000, Con Kolivas wrote: > > A significant bugfix for SMP balancing was just posted for the staircase > > deadline cpu scheduler which improves behaviour dramatically on any SMP > > machine. > > > > Thanks to

Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.45

2007-04-22 Thread Willy Tarreau
On Sun, Apr 22, 2007 at 02:41:48PM +1000, Con Kolivas wrote: > A significant bugfix for SMP balancing was just posted for the staircase > deadline cpu scheduler which improves behaviour dramatically on any SMP > machine. > > Thanks to Willy Tarreau for noticing likely fault point. > > Also requ