Re: periodic bursts

2007-10-01 Thread Jan Kiszka
Kaya, Sinan wrote: Hello all, My realtime system experiences periodic bursts every 4 hours. How can i find the reason for this ? I know the traceit tool but it dumps so much data and it is useless under this case. I need to find what happened at the exact time of burst. The trace-it tool is

Re: KVM and Prempt?

2007-10-23 Thread Jan Kiszka
Sven-Thorsten Dietrich wrote: On Mon, 2007-10-22 at 09:01 +0200, Back, Michael (ext) wrote: Hallo, I tried to run Windows XP with KVM on Linux 2.6.31.1 on a You mean .21.1 ? Classic typo I interestingly also did several times the last week. :) AMD Opteron and on a Intel Xeon, on both

Re: [PATCH 0/2] Markers Implementation for RCU Tracing - Ver II

2008-02-18 Thread Jan Kiszka
K. Prasad wrote: Hi Ingo, Please accept these patches into the rt tree which convert the existing RCU tracing mechanism for Preempt RCU and RCU Boost into markers. These patches are based upon the 2.6.24-rc5-rt1 kernel tree. Along with marker transition, the RCU Tracing

Re: [PATCH 0/2] Markers Implementation for RCU Tracing - Ver II

2008-02-18 Thread Jan Kiszka
in rcupreempt-boost.c into markers. Thanks, K.Prasad ([EMAIL PROTECTED]) The correct marker annotation for no arguments is MARK_NOARGS. Signed-off-by: Jan Kiszka [EMAIL PROTECTED] --- kernel/rcupreempt-boost.c | 24 kernel/rcupreempt.c | 42

Markers: multi-probe locking fun (was: Re: [PATCH 0/2] Markers Implementation for RCU Tracing - Ver II)

2008-02-19 Thread Jan Kiszka
Paul E. McKenney wrote: On Mon, Feb 18, 2008 at 01:47:31PM +0100, Jan Kiszka wrote: K. Prasad wrote: Hi Ingo, Please accept these patches into the rt tree which convert the existing RCU tracing mechanism for Preempt RCU and RCU Boost into markers. These patches are based upon

Re: 2.6.24.2-rt2

2008-02-26 Thread Jan Kiszka
Steven Rostedt wrote: We are pleased to announce the 2.6.24.2-rt2 tree, which can be downloaded from the location: http://rt.et.redhat.com/download/ Information on the RT patch can be found at: http://rt.wiki.kernel.org/index.php/Main_Page Changes since 2.6.24-rt1 - ported

Re: 2.6.24.2-rt2

2008-02-26 Thread Jan Kiszka
Jan Kiszka wrote: At this chance: We still see the same unbalanced sched-other load on our NUMA box as Gernot once reported [1]: top - 11:19:20 up 4 min, 1 user, load average: 29.52, 9.54, 3.37 Tasks: 502 total, 41 running, 461 sleeping, 0 stopped, 0 zombie Cpu0 :100.0%us, 0.0%sy

Re: 2.6.24.2-rt2

2008-02-26 Thread Jan Kiszka
Steven Rostedt wrote: On Tue, 26 Feb 2008, Jan Kiszka wrote: What's the NUMA topology? 4 nodes. I'm not sure if it is really NUMA related, but the same kernel runs that test as expected on a non-NUMA 2x2 box. What tasks are running, and at what priorities? 40 pthreads, created