Messages in this thread | | | From | "Adam J. Richter" <> | Date | Sun, 27 Oct 2002 13:27:58 -0800 | Subject | Re: Pauses in 2.5.44 (some kind of memory policy change?) |
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Andrew Morton wrote: >"Adam J. Richter" wrote: >> >> I run /usr/bin/mail to read my mail box file, which has about >> 24 megabytes (in 2300 messages, mostly spam). After this, about half >> of the time, my keyboard and mouse will intermittently stop responding >> for a second or two, maybe one or two times, and then everything >> seems to be OK. This happens *after* the mail spool has been read. >> This did not happen in previous kernels (well, maybe 2.5.43, I can't >> quite be sure about that one). >> >> The mail spool is on NFS, but I suspect the culprit might be >> some kind of memory balancing change in 2.5.44. >>
>Clean pagecache usually doesn't cause much trouble...
>Please send a `vmstat 1' trace which covers the episode.
Here are two traces. Also, thanks for your help in pointing out the new version of procps at surriel.com/procps.
procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 0 0 0 0 52160 31420 135796 0 0 1 9 91 40 0 0 99 0 0 0 0 52156 31420 135796 0 0 0 28 1054 267 1 1 98 0 0 0 0 52156 31420 135796 0 0 0 0 1043 159 1 1 98 1 0 2 0 45252 31420 142520 0 0 0 0 3573 349 9 38 53
...Started /usr/bin/mail around here...
1 0 2 0 30024 31420 157636 0 0 0 0 6540 510 20 80 0 1 0 2 0 14908 31420 172544 0 0 0 0 6433 499 16 84 0 3 0 2 0 9196 31420 178172 0 0 0 17152 6939 259 3 97 0 1 0 1 0 2452 31420 185112 0 0 0 4056 4061 278 9 91 0 0 0 0 0 2636 31420 184848 0 0 0 0 1294 195 2 6 92
...Pause occurred around here...
1 0 1 0 2664 31420 184848 0 0 0 4004 1766 55 0 44 56 0 0 0 0 2676 31420 184848 0 0 0 40 1103 282 2 3 95 0 0 0 0 2676 31420 184848 0 0 0 0 1064 169 0 0 100 0 0 0 0 2676 31420 184848 0 0 0 0 1082 225 1 1 98 0 0 0 0 2676 31420 184848 0 0 0 0 1097 263 1 1 98
Here is another run:
procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 0 0 0 0 3992 30860 180424 0 0 1 9 92 40 0 0 99 0 0 0 0 3988 30860 180424 0 0 0 0 1069 267 1 2 97 0 0 0 0 3988 30860 180424 0 0 0 0 1032 136 1 0 99 2 0 1 0 2464 29912 182696 0 0 4 380 1121 229 18 19 63 2 0 3 0 4548 24556 185780 0 0 0 4732 1983 206 26 74 0 3 0 1 0 4572 24532 185780 0 0 0 10172 2696 46 1 99 0 0 0 0 0 3000 23460 188292 0 0 0 640 1160 248 12 18 70 ...Pause occurred here... 2 0 1 0 3348 23460 188292 0 0 0 9412 3409 109 0 58 41 0 0 0 0 3352 23460 188292 0 0 0 4 1036 147 1 2 97 0 0 0 0 3352 23460 188292 0 0 0 0 1032 153 0 1 99 0 0 0 0 3352 23460 188292 0 0 0 0 1014 105 1 0 99 1 0 0 0 3352 23460 188292 0 0 0 0 1089 435 1 1 98
Adam J. Richter __ ______________ 575 Oroville Road adam@yggdrasil.com \ / Milpitas, California 95035 +1 408 309-6081 | g g d r a s i l United States of America "Free Software For The Rest Of Us." - 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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