From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <44A1608B.3090605@domain.hid> Date: Tue, 27 Jun 2006 18:44:59 +0200 From: Jan Kiszka MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig2082CD1469FF10729EBC441D" Sender: jan.kiszka@domain.hid Subject: [Xenomai-core] Prio-inversion on cleanup? List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai-core This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig2082CD1469FF10729EBC441D Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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 --------------enig2082CD1469FF10729EBC441D Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFEoWCQniDOoMHTA+kRAtedAKCEdLorY6hZyzMbNKQpAyhK0up+cACbBlMu FOhEU9Y8a+HX175q4XQiWzM= =m86K -----END PGP SIGNATURE----- --------------enig2082CD1469FF10729EBC441D--