[lkml]   [2004]   [Dec]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.32-15

* <> wrote:

> [3] Some traces show information on both CPU's and then a long period
> with no traces from the other. Here is an example...

> <unknown-2847 1d.h. 4µs : rebalance_tick (scheduler_tick)
> <unknown-2847 1d.h. 5µs : irq_exit (apic_timer_interrupt)
> <unknown-2847 1d... 5µs < (0)

> ... no more traces from CPU 1 ...

PID 2847 returned to userspace at timestamp 5µs. Userspace then can take
an arbitrary amount of time until it calls the kernel again.

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: 2005-03-22 14:08    [W:0.067 / U:2.756 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site