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SubjectRE: RSDL v0.30 cpu scheduler for ... 2.6.18.8 kernel
Date
From
> 
> Hello Vincent,
>
> As it seems the 5s net gain is during the early phase of the
> boot process, could you please post longer dmesgs, to let us
> know where the gain occurs ?

Hi Paul,

Here is an sdiff between the two dmesg:
[ 0.000000] Linux version 2.6.18.8-amd64-envcan-003 (root@ | [
0.000000] Linux version 2.6.18.8-rsdl-0.30-amd64-envcan
[ 0.000000] time.c: Detected 2210.220 MHz processor. | [
0.000000] time.c: Detected 2210.215 MHz processor.
[ 37.396210] Console: colour dummy device 80x25 | [
32.320335] Console: colour dummy device 80x25
[ 37.397484] Dentry cache hash table entries: 262144 (order | [
32.321611] Dentry cache hash table entries: 262144 (order
[ 37.399120] Inode-cache hash table entries: 131072 (order: | [
32.323318] Inode-cache hash table entries: 131072 (order:
[ 37.399633] Checking aperture... | [
32.323869] Checking aperture...
[ 37.399641] CPU 0: aperture @ 8400000000 size 32 MB | [
32.323877] CPU 0: aperture @ 8400000000 size 32 MB
[ 37.399645] Aperture too small (32 MB) | [
32.323881] Aperture too small (32 MB)
[ 37.404577] No AGP bridge found | [
32.328813] No AGP bridge found
[ 37.421192] Memory: 2054704k/2096000k available (1934k ker | [
32.345833] Memory: 2054704k/2096000k available (1935k ker
[ 37.498110] Calibrating delay using timer specific routine | [
32.422230] Calibrating delay using timer specific routine

Here is a bit more detailed info:

Vanilla Version:
[ 0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] Built 1 zonelists. Total pages: 515848
[ 0.000000] Kernel command line: root=LABEL=DebianEtch_64 ro
vga=0x305
[ 0.000000] Initializing CPU#0
[ 0.000000] PID hash table entries: 4096 (order: 12, 32768 bytes)
[ 0.000000] Disabling vsyscall due to use of PM timer
[ 0.000000] time.c: Using 3.579545 MHz WALL PM GTOD PM timer.
[ 0.000000] time.c: Detected 2210.220 MHz processor.
[ 37.396210] Console: colour dummy device 80x25
[ 37.397484] Dentry cache hash table entries: 262144 (order: 9,
2097152 bytes)
[ 37.399120] Inode-cache hash table entries: 131072 (order: 8, 1048576
bytes)
[ 37.399633] Checking aperture...
[ 37.399641] CPU 0: aperture @ 8400000000 size 32 MB
[ 37.399645] Aperture too small (32 MB)
[ 37.404577] No AGP bridge found
[ 37.421192] Memory: 2054704k/2096000k available (1934k kernel code,
40908k reserved, 868k data, 188k init)


RSDL Version:
[ 0.000000] Initializing CPU#0
[ 0.000000] PID hash table entries: 4096 (order: 12, 32768 bytes)
[ 0.000000] Disabling vsyscall due to use of PM timer
[ 0.000000] time.c: Using 3.579545 MHz WALL PM GTOD PM timer.
[ 0.000000] time.c: Detected 2210.215 MHz processor.
[ 32.320335] Console: colour dummy device 80x25
[ 32.321611] Dentry cache hash table entries: 262144 (order: 9,
2097152 bytes)
[ 32.323318] Inode-cache hash table entries: 131072 (order: 8, 1048576
bytes)
[ 32.323869] Checking aperture...
[ 32.323877] CPU 0: aperture @ 8400000000 size 32 MB
[ 32.323881] Aperture too small (32 MB)
[ 32.328813] No AGP bridge found

There seems to be a some sort of lag happening adter the CPU
detection... It might simply be the call to vga=0x305 which takes less
or more time depending of the kernel? I have attached a gzip full
dmesg.

>
> Regards,
> Paul
>

- vin
[unhandled content-type:application/x-gzip]
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