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From: "Vladimír Trebický" <druid@mail.cz>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] [tcng] PSCHED_CPU ?
Date: Wed, 18 Sep 2002 16:07:36 +0000	[thread overview]
Message-ID: <marc-lartc-103236532127406@msgid-missing> (raw)
In-Reply-To: <marc-lartc-103235556014265@msgid-missing>

The problem with PSCHED_CPU is that the time is derived by reading of TSC
registry which is measure counter of the processor. TSC exists on Intel
platform from the times of Pentium but sometimes cannot be used as a
counter, for example with APM (advanced power management) turned on.

----- Original Message -----
From: "raptor" <raptor@tvskat.net>
To: <lartc@mailman.ds9a.nl>
Sent: Wednesday, September 18, 2002 10:21 PM
Subject: [LARTC] [tcng] PSCHED_CPU ?


> hi,
>
> Will it be a problem if my kernel is compiled with PSCHED_CPU, but for the
success of the compilation of tcism I use PSCHED_JIFFES ?
> -----------------------------------------------------------------
> In file included from klink.c:19:
> klib/include/net/pkt_sched.h:285:2: #error PSCHED_CLOCK_SOURCE=PSCHED_CPU
is not supported on this arch.
> In file included from trace.c:20:
> klib/include/net/pkt_sched.h:285:2: #error PSCHED_CLOCK_SOURCE=PSCHED_CPU
is not supported on this arch.
> make[1]: *** [.depend] Error 1
> make[1]: Leaving directory `/arh/compile/tcng/tcsim'
> make: *** [all] Error 1
>
> Thanx
>
> raptor
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

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  parent reply	other threads:[~2002-09-18 16:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-18 13:26 [LARTC] [tcng] PSCHED_CPU ? raptor
2002-09-18 13:38 ` Werner Almesberger
2002-09-18 14:01 ` raptor
2002-09-18 14:25 ` Werner Almesberger
2002-09-18 16:07 ` Vladimír Trebický [this message]
2002-09-19  6:24 ` raptor
2002-09-19  6:33 ` Vladimír Trebický

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