From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <448EEF9D.30208@domain.hid> Date: Tue, 13 Jun 2006 19:02:21 +0200 From: Jan Kiszka MIME-Version: 1.0 Subject: Re: [Xenomai-help] strange periodic behavior References: <45045.155.98.4.39.1150149018.squirrel@domain.hid> <448E5A2B.9060606@domain.hid> <3384.206.81.135.88.1150211884.squirrel@domain.hid> <448EDECA.7030302@domain.hid> <36429.155.98.4.39.1150216385.squirrel@domain.hid> <448EE9C3.4060706@domain.hid> <40729.155.98.4.39.1150217383.squirrel@domain.hid> In-Reply-To: <40729.155.98.4.39.1150217383.squirrel@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig879997B115006B5217886AD9" Sender: jan.kiszka@domain.hid List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Brandt Erickson Cc: xenomai@xenomai.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig879997B115006B5217886AD9 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Brandt Erickson wrote: > > Grmbl, my fault. Your test looks ok, but I was rather referring to y= our >> *code*. >=20 > Sorry, here's a small portion of what it outputs. The first column is = the > timestamp and the second is the overrun value from rt_task_wait_period.= =20 > In this case, the "control loop" is supposed to be running at 10 KHz. >=20 > 0.000087, 0 > 0.000302, 0 > 0.000522, 0 > 0.000742, 0 > 0.000962, 0 > 0.001182, 0 > 0.001402, 0 > 0.001623, 0 > 0.001843, 0 > 0.002063, 0 > 0.002283, 0 > 0.002503, 0 > 0.002723, 0 > 0.002944, 0 > 0.003164, 0 > 0.003384, 0 > 0.003604, 0 > 0.003824, 0 > 0.004045, 0 > 0.004265, 0 > 0.004485, 0 > 0.004705, 0 > 0.004925, 0 > 0.005146, 0 > 0.005366, 0 > 0.005586, 0 > 0.005806, 0 > 0.006026, 0 > 0.006246, 0 > 0.006467, 0 > 0.006687, 0 > 0.006907, 0 > 0.007127, 0 > 0.007347, 0 > 0.007568, 0 > 0.007788, 0 > 0.008008, 0 > 0.008228, 0 > 0.008448, 0 > 0.008669, 0 > 0.008889, 0 > 0.009109, 0 > 0.009329, 0 > 0.009549, 0 > 0.009769, 0 > 0.009990, 0 > 0.010210, 0 >=20 [looking at it again] Ah, this is drifting! The more important is the code to see what clock sources you use. They are obviously not in sync. Jan --------------enig879997B115006B5217886AD9 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 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFEju+dniDOoMHTA+kRAhy9AJwN3rNGr4uWHlQszWW9n7KyZNmt8ACeJNYW p3BHH1RH/OPIYlHXE5z3Cvo= =FZjW -----END PGP SIGNATURE----- --------------enig879997B115006B5217886AD9--