Date: Sat, 31 Oct 1998 20:47:26 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Mike Smith <mike@smith.net.au> Cc: Wolfram Schneider <wosch@panke.de.freebsd.org>, current@FreeBSD.ORG Subject: Re: calcru: negative time of -695317300 usec for pid Message-ID: <14686.909863246@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 31 Oct 1998 11:30:59 PST." <199810311930.LAA00799@dingo.cdrom.com>
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Could you try to change these lines from the bottom of mi_switch()
...
if (switchtime.tv_sec)
p->p_switchtime = switchtime;
else
microuptime(&p->p_switchtime);
...
to simply:
microuptime(&p->p_switchtime);
Poul-Henning
In message <199810311930.LAA00799@dingo.cdrom.com>, Mike Smith writes:
>
>I got these yesterday:
>
>/kernel.tc: microtime: 909767572.611009 > 909767572.-694775046
>/kernel.tc: getmicrotime: 909800392.486279 > 909800392.476272
>/kernel.tc: mi_switch: switching history 35692.614679 > 35692.-694771102
>/kernel.tc: mi_switch: switching history 35694.694002225 > 35692.617390
>/kernel.tc: calcru: negative time of -1390738769 usec for pid 271 (xconsole)
>/kernel.tc: pid 262 (XF86_SVGA), uid 0: exited on signal 6 (core dumped)
>/kernel.tc: calcru: negative time of -336242384 usec for pid 262 (XF86_SVGA)
>
>also with NTIMECOUNTER set to 10 (and the code that uses it is in the
>kernel).
>
>> On 1998-10-28 12:19:30 +0100, Poul-Henning Kamp wrote:
>> > Please try to increase "NTIMECOUNTER" in /sys/kern/kern_clock.c to
>> > 10 and tell me if it works.
>>
>> The 18th `make world' got a
>> calcru: negative time of -695373488 usec for pid 23724 (as)
>>
>> and a little bit later died with
>> pid 4542 (ld), uid 0: exited on signal 11 (core dumped)
>>
>> Wolfram
>>
>> To Unsubscribe: send mail to majordomo@FreeBSD.org
>> with "unsubscribe freebsd-current" in the body of the message
>>
>
>--
>\\ Sometimes you're ahead, \\ Mike Smith
>\\ sometimes you're behind. \\ mike@smith.net.au
>\\ The race is long, and in the \\ msmith@freebsd.org
>\\ end it's only with yourself. \\ msmith@cdrom.com
>
>
>
--
Poul-Henning Kamp FreeBSD coreteam member
phk@FreeBSD.ORG "Real hackers run -current on their laptop."
"ttyv0" -- What UNIX calls a $20K state-of-the-art, 3D, hi-res color terminal
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