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 > >

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 latency.

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 >

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

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

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

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

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

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

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

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 00:27, 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 cpu

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 ocbench

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 multiple