From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Xenomai <xenomai@lists.linux.dev>
Subject: Re: [libevl][PATCH 2/2] tests: sched-quota-accuracy: Add preempting FIFO thread
Date: Sat, 20 Jun 2026 12:41:14 +0200 [thread overview]
Message-ID: <87cxxlbik5.fsf@xenomai.org> (raw)
In-Reply-To: <38c143a3-5021-4617-ab2f-ff3c9f3adc74@siemens.com> (Jan Kiszka's message of "Sun, 14 Jun 2026 21:37:26 +0200")
Jan Kiszka <jan.kiszka@siemens.com> writes:
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> Test that higher-prio SCHED_FIFO threads do not run on the bill of
> SCHED_QUOTA threads and that their accounting is not otherwise
> disturbed.
>
This patch introduced a regression when determining the accuracy of the
policy with respect to allotting threads the expected runtime budget:
root@phytec-mira-evl:~# evl test sched-quota-accuracy
sched-quota-accuracy: 494.0%
The proper result would rather be close to the following:
root@phytec-mira-evl:~# evl test sched-quota-accuracy
sched-quota-accuracy: 99.1%
--
Philippe.
next prev parent reply other threads:[~2026-06-20 10:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-14 19:36 [libevl][PATCH 1/2] tests: sched-quota-accuracy: Augment workload with busy-spinning Jan Kiszka
2026-06-14 19:37 ` [libevl][PATCH 2/2] tests: sched-quota-accuracy: Add preempting FIFO thread Jan Kiszka
2026-06-16 6:09 ` Philippe Gerum
2026-06-20 10:41 ` Philippe Gerum [this message]
2026-06-20 11:17 ` Philippe Gerum
2026-06-20 12:40 ` Jan Kiszka
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