Messages in this thread | | | Date | Tue, 18 Nov 2003 17:15:09 +0100 | From | "Prakash K. Cheemplavam" <> | Subject | Re: Terrible interactivity with 2.6.0-t9-mm3 |
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Prakash K. Cheemplavam wrote:
>> >> After sending out multiple patches I should have been more clear. Just >> to avoid confusion: >> >> * the init_cpu_khz patch goes along side Thomas' patch. >> * the more experimental sched_clock() -> monotonic_clock() patch I just >> sent out for testing replaces Thomas' patch. > > > > > I now tried the second one and it seems to work, tough I am not sure whether the performance is as good as APCI timer deavt. It seems that now CPU Hz is not shown anymore. Have a look at my dmesg: > > > Linux version 2.6.0-test9-love3 (root@tachyon) (gcc-Version 3.3.2 20031022 (Gentoo Linux 3.3.2-r2, propolice)) #16 Tue Nov 18 13:54:04 CET 2003 > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 000000000009f800 (usable) > BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved) > BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 000000003fff0000 (usable) > BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS) > BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data) > BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved) > BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) > BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved) > 127MB HIGHMEM available. > 896MB LOWMEM available. > On node 0 totalpages: 262128 > DMA zone: 4096 pages, LIFO batch:1 > Normal zone: 225280 pages, LIFO batch:16 > HighMem zone: 32752 pages, LIFO batch:7 > DMI 2.2 present. > ACPI: RSDP (v000 Nvidia ) @ 0x000f6b60 > ACPI: RSDT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff3000 > ACPI: FADT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff3040 > ACPI: MADT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff79c0 > ACPI: DSDT (v001 NVIDIA AWRDACPI 0x00001000 MSFT 0x0100000d) @ 0x00000000 > ACPI: PM-Timer IO Port: 0x4008 > Building zonelist for node : 0 > Kernel command line: root=/dev/hde6 hdg=none vga=0x51A video=vesa:mtrr,ywrap elevator=cfq > ide_setup: hdg=none > current: c0499a60 > current->thread_info: c0528000 > Initializing CPU#0 > PID hash table entries: 4096 (order 12: 32768 bytes) > Using <NULL> for high-res timesource
[snip]
So I deactivated the PM timer again and my computer is much faster again. Haven prime in the background taking 100% doesn't noticeable affect deskop performance. But I think I know where the problem lies:
current: c0499a60 current->thread_info: c0528000 Initializing CPU#0 PID hash table entries: 4096 (order 12: 32768 bytes) Detected 2004.698 MHz processor. Using tsc for high-res timesource
In above dmesg you can see that nothing was used as timesource, but here in current dmesg tsc is used. Is this normal or a bug? Need I pass a kernel paramtere when pm timer is enbaled?
bye
Prakash
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