Daniel Walker wrote:
John Sigler wrote:
Why does pdflush kick in to ruin my party? :-)
The expected latency is ~600 µs.
http://linux.kernel.free.fr/latency/pdflush.trace
Does ide_inb mean I'm reading from the disk?
Does your real time application lock its memory, or allow itself to be
swappe
On Tue, 2007-08-28 at 12:39 +0200, John Sigler wrote:
> Why does pdflush kick in to ruin my party? :-)
> The expected latency is ~600 µs.
> http://linux.kernel.free.fr/latency/pdflush.trace
> Does ide_inb mean I'm reading from the disk?
Does your real time application lock it's memory, or allow i
Hello,
I've been using the latency tracing tool in -rt.
Linux version 2.6.22.1-rt9 (gcc version 3.4.4) #1 PREEMPT RT
prctl(0, 1); /* start tracing */
TsOut.Write(buf, packet_size);
prctl(0, 0); /* stop tracing */
Write() calls the driver through an ioctl, which schedules a DMA to co
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