From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <44361D46.9080003@domain.hid> Date: Fri, 07 Apr 2006 10:05:26 +0200 From: Philippe Gerum MIME-Version: 1.0 Subject: Re: [Xenomai-core] nkpod->watchdog_trigger per CPU? References: <44361837.9080206@domain.hid> In-Reply-To: <44361837.9080206@domain.hid> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: xenomai-core Jan Kiszka wrote: > Hi, > > analysing the watchdog characteristics in our scenarios, I just wondered > if it is SMP-aware (we have no SMP in use, it's a pure analytical concern). > > The watchdog timeout is stored system-wide in nkpod->watchdog_trigger, > but it is based on a per-CPU clock (TSC). Is the tick IRQ bound to a > specific CPU in SMP scenarios so that this doesn't matter? Or am I just > overseeing some detail? > Good catch. This code was written before per-CPU ticking became the "official" implementation, so it needs to be updated. > Jan > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Xenomai-core mailing list > Xenomai-core@domain.hid > https://mail.gna.org/listinfo/xenomai-core -- Philippe.