Bug#407757: xen kernel makes dom0 slower
Package: linux-image-2.6.18-3-xen-amd64
Version: 2.6.18-7
Severity: important
Booting the xen linux image, the cpu performance is much slower
than with a vanilla kernel (also 2.6.18). A simple shell script
(which compute some numbers, no I/O) needs 60 percent more cpu time
if I am using the xen kernel. No virtual machines are running.
The machine is an IBM X3550 with Dual Core Xeon 5050.
The kernel options are noapic and acpi=off. I hope, somebody have
ideas...
Heiko Schulz
-- System Information:
Debian Release: 4.0
Architecture: amd64 (x86_64)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18.3-k8-smp
Locale: LANG=C, LC_CTYPE=C (charmap=ISO-8859-15) (ignored: LC_ALL set to de_DE@euro)
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