Messages in this thread | | | Date | Tue, 19 Jan 1999 07:43:53 -0500 (EST) | From | Greg Patterson <> | Subject | Pre7 & Pre8: Heavy Context Switching in XFree86 |
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Beginning with 2.2.0pre7 I have started to see a lot of context switching being reported by vmstat on a completely idle pII 450 ASUS P2B system:
procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 1 0 0 0 67372 3388 27616 0 0 0 2 107 15214 14 41 46 1 0 0 0 67372 3388 27616 0 0 0 0 109 176 2 0 98 1 0 0 0 67372 3388 27616 0 0 0 0 114 21686 19 35 47 1 0 0 0 67372 3388 27616 0 0 0 0 119 270 2 0 98 0 0 0 0 67368 3388 27616 0 0 0 0 104 24265 23 28 50 1 0 0 0 67368 3388 27616 0 0 0 0 114 218 2 0 98 0 0 0 0 67368 3388 27616 0 0 0 0 108 23272 15 34 51 1 0 0 0 67368 3388 27616 0 0 0 0 101 112 0 1 99 0 0 0 0 67360 3392 27616 0 0 2 0 106 21869 15 32 53 1 0 0 0 67360 3392 27616 0 0 0 0 107 155 1 2 97 0 0 0 0 67360 3392 27616 0 0 0 0 115 18776 16 29 55 1 0 0 0 67360 3392 27616 0 0 0 0 111 190 0 1 99 0 0 0 0 67360 3392 27616 0 0 0 0 119 17090 15 28 57 2 0 0 0 67356 3392 27616 0 0 0 0 173 403 1 1 98 1 0 0 0 67360 3392 27616 0 0 0 1 290 9471 11 33 56 1 0 0 0 67360 3392 27616 0 0 0 0 255 12671 14 28 58 2 0 0 0 67360 3392 27616 0 0 0 0 185 20468 8 36 56 5 0 0 0 67360 3392 27616 0 0 0 0 107 19988 13 28 59 3 0 0 0 67356 3392 27616 0 0 0 0 115 16488 11 27 62 2 0 0 0 67360 3392 27616 0 0 0 0 123 1277 3 3 94 0 0 0 0 67356 3392 27616 0 0 0 0 123 13236 16 19 65
Rebooting to pre6 and this goes away completely.
System info:
gomer:~$ uname -a Linux gomer.mlink.net 2.2.0-pre8 #1 Tue Jan 19 06:58:56 EST 1999 i686 unknown gomer:~$ gcc -v Reading specs from /usr/lib/gcc-lib/i686-unknown-linux-gnulibc1/2.7.2.3/specs gcc version 2.7.2.3
/usr/src/linux/.config:
# # Processor type and features # # CONFIG_M386 is not set # CONFIG_M486 is not set # CONFIG_M586 is not set # CONFIG_M586TSC is not set CONFIG_M686=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_X86_TSC=y CONFIG_X86_GOOD_APIC=y # CONFIG_MATH_EMULATION is not set CONFIG_MTRR=y # CONFIG_SMP is not set
gomer:~$ uptime 7:42am up 0:08, 8 users, load average: 0.78, 0.53, 0.26
Running XFree86 3.3.2 with XF86_SVGA driver (Riva TNT) and doing nothing significant at all.
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