[lkml]   [2005]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.6.13-rc7-rt1
Devastating latency on a 3Ghz xeon .. Maybe the raw_spinlock in the
timer base is creating a unbounded latency?


( softirq-timer/1-13 |#1): new 66088 us maximum-latency critical section.
=> started at timestamp 1857957769: <__down_mutex+0x5f/0x295>
=> ended at timestamp 1858023857: <_raw_spin_unlock_irq+0x16/0x39>

Call Trace:<ffffffff80144816>{check_critical_timing+491} <ffffffff8047732a>{rt_secret_rebuild+0}
<ffffffff80144adb>{trace_irqs_on+100} <ffffffff80508da5>{_raw_spin_unlock_irq+22}
<ffffffff8013303b>{run_timer_softirq+1916} <ffffffff8012f0d6>{ksoftirqd+241}
<ffffffff8012efe5>{ksoftirqd+0} <ffffffff8013f961>{kthread+218}
<ffffffff8010e9c2>{child_rip+8} <ffffffff8013f887>{kthread+0}
| preempt count: 00000000 ]
| 0-level deep critical section nesting:

=> dump-end timestamp 1858101914

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-08-26 01:32    [W:0.057 / U:1.324 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site