Messages in this thread | | | Subject | Re: scheduling latencies, [patch] `cp /dev/zero /tmp' (patch against 2.2.9) | Date | Fri, 18 Jun 1999 10:34:14 +0200 (MEST) | From | (Rogier Wolff) |
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Alan Cox wrote: > > PII 400 + Mainboard Asus P2B BX Chipset, with a IBM Deskstar 16GB UDMA as > > /dev/hdc > > > > tu tune the disk I enabled all useful features: > > > > multicount , DMA , unmask IRQs , enable 32 bit support > > Ok. It is a tightly tuned box. Thats what I wanted to be sure of. > > > try my benchmark yourself: > > http://www.gardena.net/benno/linux/latencytest0.3.tgz > > > > to note that heavy access to the /proc filesystem (using top -d 0.01 ) causes > > audio drop outs too, not so long as disk access, in the range of 15ms , but that > > seems a bit high for me. > > The proc fs has some locking "issues". Im well aware of those.
Try running top while you have 200+ processes running. It will be even worse.
Roger.
-- ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 ** *-- BitWizard writes Linux device drivers for any device you may have! --* ------ Microsoft SELLS you Windows, Linux GIVES you the whole house ------
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