From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Schwab Date: Mon, 25 Jun 2001 15:35:07 +0000 Subject: [Linux-ia64] Interrupt redirection problem Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-ia64@vger.kernel.org This is the output of /proc/interrupts on a Lion that has been up for 9 day= s: CPU0 CPU1 CPU2 CPU3 =20 32: 2226 19 0 0 IO-SAPIC-edge keyboard 33: 2 2 0 0 IO-SAPIC-edge ide1 34: 4 2 0 0 IO-SAPIC-edge ide0 36: 0 0 0 0 IO-SAPIC-edge PS/2 Mouse 44: 1180 131 2 47 IO-SAPIC-edge serial 48: 22811357 1510005 31585 155591 IO-SAPIC-level eth0 54: 0 0 0 0 IO-SAPIC-level usb-uhci 61: 4485678 808931 11218 97495 IO-SAPIC-level qla1280 238: 0 0 0 0 SAPIC perfmon 239: 796793291 796794391 796795076 796794435 SAPIC timer 254: 8256864 11570234 11685908 11611853 SAPIC IPI NMI: 0 0 0 0=20 ERR: 0 As you can see, cpu0 is processing the majority of interrupts (91%, ignoring the SAPIC interrupts). Why? Andreas. --=20 Andreas Schwab "And now for something SuSE Labs completely different." Andreas.Schwab@suse.de SuSE GmbH, Schanz=E4ckerstr. 10, D-90443 N=FCrnberg Key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5