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From: Jan Kiszka <jan.kiszka@domain.hid>
To: xenomai-core <xenomai@xenomai.org>
Subject: [Xenomai-core] Prio-inversion on cleanup?
Date: Tue, 27 Jun 2006 18:44:59 +0200	[thread overview]
Message-ID: <44A1608B.3090605@domain.hid> (raw)

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Hi,

could someone give this scenario a try (requires my recent patch series)
and tell me if you are also seeing excessive latencies:

Start:
irqloop (+xeno_irqbench) -P 99 -t 0
latency -p 200 -P 50

Terminate:
irqloop

The termination seems to cause high latencies to the (then highest-prio)
periodic timer test. This does not happen with irqloop -t 1
(kernel-based task), and I can reduce the effect by invoking
pthread_setschedparam(SCHED_NORMAL) for the irqloop test thread right
before termination. Also, running and terminating another latency
instance with prio 99 does not have this effect.

Jan


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             reply	other threads:[~2006-06-27 16:44 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-27 16:44 Jan Kiszka [this message]
2006-06-28 14:45 ` [Xenomai-core] Prio-inversion on cleanup? Jan Kiszka
2006-06-29  9:24   ` Jan Kiszka
2006-06-29 10:14     ` Philippe Gerum
2006-06-29 10:34       ` Jan Kiszka
2006-06-29 10:48         ` Philippe Gerum
2006-06-29 11:12           ` Philippe Gerum
2006-06-29 11:20             ` Jan Kiszka
2006-06-29 13:24           ` Philippe Gerum
2006-06-29 16:03             ` Gilles Chanteperdrix
2006-06-29 12:27     ` Gilles Chanteperdrix

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