RE: Dual core Athlons and unsynced TSCs

Steven Rostedt
2006-01-13T20:26:42Z

On Fri, 2006-01-13 at 15:09 -0500, Steven Rostedt wrote:

> Nope it doesn't work :-(
>
> I ran this test:
> http://www.kihontech.com/tests/rt/monotonic.c
>
[...]
>
> I'll reboot to vanilla 2.6.15 and see if that is broken too (just to
> make sure)
>

Failed on 2.6.15 too:

$ ./monotonic
main program pid=6724
hello from thread 0!
hello from thread 4!
Failed! prev: 316.952599248 current: 316.951899248
hello from thread 3!
hello from thread 2!
hello from thread 1!

$ uname -r
2.6.15
$ cat /proc/cmdline
root=/dev/md0 ro console=tty0 nmi_watchdog=2 lapic clock=pmtmr

:-(

-- Steve