* Re: [gentoo-user] Very bad system response
@ 2007-02-07 4:53 99% ` Hemmann, Volker Armin
0 siblings, 0 replies; 1+ results
From: Hemmann, Volker Armin @ 2007-02-07 4:53 UTC (permalink / raw
To: gentoo-user
On Mittwoch, 7. Februar 2007, Norberto Bensa wrote:
> Hemmann, Volker Armin wrote:
> > On Dienstag, 6. Februar 2007, Michael Schreckenbauer wrote:
> > > I don't think, swap is the cause of this. This system has 1,5GB Ram,
> > > swap is nearly never touched :)
> >
> > swap was only an example. Things that kill performance: big tar, big copy
> > around, and everything that touches a lot of files....
>
> Check your DMA settings
>
my DMA settings are ok. Really, really.
hdparm /dev/hda
/dev/hda:
multcount = 16 (on)
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 16383/255/63, sectors = 234493056, start = 0
[ 36.419597] hda: 234493056 sectors (120060 MB) w/8192KiB Cache,
CHS=16383/255/63, UDMA(100)
and
[ 37.500706] ahci 0000:03:00.0: AHCI 0001.0000 32 slots 1 ports 3 Gbps 0x1
impl SATA mode
[ 37.501239] ahci 0000:03:00.0: flags: 64bit ncq pm led clo pmp pio slum
part
[ 37.501632] ata1: SATA max UDMA/133 cmd 0xFFFFC20000004100 ctl 0x0 bmdma
0x0 irq 35
[ 37.502167] scsi0 : ahci
[ 37.987972] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 37.988743] ata1.00: ATA-7, max UDMA/133, 312581808 sectors: LBA48
[ 37.989026] ata1.00: ata1: dev 0 multi count 16
[ 37.989838] ata1.00: configured for UDMA/133
[ 37.990176] scsi 0:0:0:0: Direct-Access ATA WDC WD1600JS-00M 10.0
PQ: 0 ANSI: 5
[ 37.990773] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB)
[ 37.991061] sda: Write Protect is off
[ 37.991339] sda: Mode Sense: 00 3a 00 00
[ 37.991349] SCSI device sda: drive cache: write back
[ 37.991657] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB)
[ 37.991942] sda: Write Protect is off
[ 37.992225] sda: Mode Sense: 00 3a 00 00
[ 37.992235] SCSI device sda: drive cache: write back
[ 37.992514] sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
[ 38.033040] sd 0:0:0:0: Attached scsi disk sda
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2007-02-06 20:29 [gentoo-user] Very bad system response Michael Schreckenbauer
2007-02-07 0:15 ` Hemmann, Volker Armin
2007-02-07 3:49 ` Norberto Bensa
2007-02-07 4:53 99% ` Hemmann, Volker Armin
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