Messages in this thread | | | From | (Eugene Crosser) | Subject | Re: 2.1.91 swap performance: jerky. | Date | 29 Mar 1998 01:04:20 GMT |
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If anyone is interested, I made a comparison compilation of the kernel on 2.0.33 (sched.c with modifications from piglet@npc.ece.utexas.edu) and on 2.1.91 (stock). The machine is dual pentium 200, 32Mb, SCSI ncr53c810.
==== crosser@pccross:/usr/src/linux/$ uname -a Linux pccross 2.0.33 #11 Fri Feb 27 01:03:13 MSK 1998 i586 crosser@pccross:/usr/src/linux/$ time make dep clean zImage modules 104.64user 554.26system 12:19.27elapsed 89%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+0minor)pagefaults 0swaps
crosser@pccross:/usr/src/linux/$ uname -a Linux pccross 2.1.91 #13 SMP Sun Mar 29 04:05:10 MSD 1998 i586 crosser@pccross:/usr/src/linux/$ time make dep clean zImage modules 571.35user 60.13system 12:21.79elapsed 85%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+0minor)pagefaults 0swaps ====
2.1 is only a bit slower ;) Both kernels where compiled with SMP, but (as you see) I did not run `make -j2'
other problem with 2.1: with all recent 2.1's I cannot make opl3 working with my ES1688. I can insmod opl3, but the player says `/dev/sequencer: Device or resource busy' and rmmod says the same (and the module cannot be unloaded).
Also, I have a question: what does the message "Warning, cua2 opened, is a deprecated tty callout device" mean? Will Linux stop supporting separate callin/callout devices? Why?
-- Eugene Crosser; 2:5020/230@fidonet; http://www.average.org/~crosser/
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