Messages in this thread | | | From | Dieter Nützel <> | Subject | Re: [RFC] Scheduler issue 1, RT tasks ... | Date | Tue, 1 Jan 2002 19:55:14 +0100 |
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On Monday, 31. December 2001 14:56, george anzinger wrote: > Dieter Nützel wrote: > > On Sunday, 29. December 2001 21:00, you wrote: > > >Dieter Nützel wrote: > > > > I ask because my MP3/Ogg-Vorbis hiccup during dbench isn't solved > > > > anyway. Running 2.4.17 + preempt + lock-break + 10_vm-21 (AA). > > > > Some wisdom? > > > > > > Please test this elevator patch. I'll be putting it out more formally > > > in a day or two. Much more testing is needed yet, but for me, the > > > time to read a 16 megabyte file whilst running dbench 160 falls from > > > three minutes thirty seconds to seven seconds. (This is a VM thing, > > > not an elevator thing). > > > > Andrew or anybody else, > > > > can you please send me a copy directly? > > The version I've extracted from the list is some what broken. > > I am not on LKML 'cause it is to much traffic for such a poor little boy > > like me...;-) > > Andrew, > > I think the problem is that the mailer(s) insert new lines. Is this > right Dieter? It is certainly a problem for me.
Yes.
> Best to mail as an attachment.
Yes.
But I applied it by hand and got the best results I ever had! GREAT work, Andrew! This should be go in, soon.
2.4.17 preempt-kernel-rml-2.4.17-1.patch lock-break-rml-2.4.17-2.patch 00_nanosleep-5 10_vm-21 (Andrea) bootmem-2.4.17-pre6 elevator-fix (Andrew) O-inode-attrs.patch (ReiserFS) linux-2.4.17rc2-KLMN+exp_trunc+3fixes.patch (ReiserFS)
Happy New Year and best wishes!
-Dieter
BTW Below are my first results. More to come (analysis of latency).
2.4.17-preempt + 10_vm-21 + elevator dbench/dbench> time ./dbench 32 32 clients started ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................+.................................................................+...................+.......+....................+.........................................................................................................+.........+....................+................+..................+.....+...................................................................................................................................................................................................................................................................+..............++...........+.+.+..++++.+++.+.+++.++++******************************** Throughput 49.7707 MB/sec (NB=62.2133 MB/sec 497.707 MBit/sec) 13.800u 51.810s 1:25.89 76.3% 0+0k 0+0io 939pf+0w
2.4.17-preempt + 10_vm-21 + elevator + MP3 playback dbench/dbench> time ./dbench 32 32 clients started ..............................................................................................................................................................................................................................................................................................................................................+.................................++....+.+.+.......+.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................+......................++.....+..+++.++..++.++++.+....++++.+++++******************************** Throughput 48.6323 MB/sec (NB=60.7904 MB/sec 486.323 MBit/sec) 14.690u 52.920s 1:27.87 76.9% 0+0k 0+0io 939pf+0w - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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