Re: [PATCHSET] Announce: High-res timers, tickless/dyntick and dynamic HZ -V4

Pavel Machek
2006-06-29T17:49:38Z

Hi!

> An updated patchset is available from:
>
> http://www.tglx.de/projects/hrtimers/2.6.17/patch-2.6.17-hrt-dyntick4.patch
>
> http://www.tglx.de/projects/hrtimers/2.6.17/patch-2.6.17-hrt-dyntick4.patches.tar.bz2

I briefly tested -dyntick5 on my thinkpad, and it seems to work
okay... but timer still seems to tick at 250Hz.

I have

CONFIG_NO_HZ=y
CONFIG_NO_IDLE_HZ=y
CONFIG_HIGH_RES_RESOLUTION=1000
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250

root@amd:/proc/sys# cat /proc/interrupts ; sleep 10; cat
/proc/interrupts
CPU0
0: 66865 XT-PIC timer
1: 1473 XT-PIC i8042
2: 0 XT-PIC cascade
8: 1 XT-PIC rtc
9: 249 XT-PIC acpi
11: 214 XT-PIC ohci1394, yenta, yenta,
ehci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3,
uhci_hcd:usb4, Intel 82801DB-ICH4, eth0
12: 641 XT-PIC i8042
14: 2476 XT-PIC ide0
NMI: 0
LOC: 0
ERR: 0
MIS: 0
CPU0
0: 69374 XT-PIC timer
1: 1474 XT-PIC i8042
2: 0 XT-PIC cascade
8: 1 XT-PIC rtc
9: 249 XT-PIC acpi
11: 219 XT-PIC ohci1394, yenta, yenta,
ehci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3,
uhci_hcd:usb4, Intel 82801DB-ICH4, eth0
12: 641 XT-PIC i8042
14: 2491 XT-PIC ide0
NMI: 0
LOC: 0
ERR: 0
MIS: 0
root@amd:/proc/sys#

...am I doing something wrong?
Pavel

--
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