[lkml]   [2002]   [Aug]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] tsc-disable_B9
On Mon, 2002-08-26 at 19:45, Martin J. Bligh wrote:
> It's not correlating it to real time that's the problem. It's getting resceduled
> inbetween calls that hurts. Take your example.
> rdtsc
> mov %eax,%ebx
> <- get rescheduled here
> rdtsc
> Broken. May even take negative "time".

Statistically irrelevant. When you have 100,000 samples all the
pre-emption ones drop into the dud sample filter with IRQ disturbance
and so on.

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 13:28    [W:0.111 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site