Bogdan wrote:
Debuan lenny, Xen dom0
top - 11:30:50 up 4 days, 1:20, 1 user, load average: 17.46, 17.87,
17.78
Tasks: 219 total, 8 running, 211 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 33.7%sy, 0.0%ni, 63.1%id, 0.2%wa, 0.0%hi,
0.0%si, 2.9%st
Mem: 8651776k total, 3770216k used, 4881560k free, 98680k buffers
Swap: 0k total, 0k used, 0k free, 2927264k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
COMMAND
13087 root 20 0 19884 1152 976 R 104 0.0 374:35.60
hald-addon-stor
13089 root 20 0 19884 1140 968 R 96 0.0 315:18.37
hald-addon-stor
13093 root 20 0 19884 1144 968 R 92 0.0 313:04.19
hald-addon-stor
18300 root 20 0 3840 688 572 R 85 0.0 1:50.15
ifconfig
В dmesg:
[348954.928225] hdb: drive not ready for command
[348959.992790] hdb: status timeout: status=0xd0 { Busy }
Весь кольцевой буффер забит таким.
Что это и откуда ?
И почему (визуально) при отсуствующем iowait, user,sys и т.п.
нагрузках - такой LA ?
vmatst :
# vmstat 5
procs -----------memory---------- ---swap-- -----io---- -system--
----cpu----
r b swpd free buff cache si so bi bo in cs us
sy id wa
16 1 0 4868324 103408 2927024 0 0 124 142 2 4
1 2 96 0
27 0 0 4868300 103448 2927020 0 0 438 522 7190 1136 0
35 61 2
24 0 0 4868432 103464 2927028 0 0 30 193 2497 1159 0
15 84 0
10 1 0 4868208 103488 2927028 0 0 54 530 2185 742 0
19 78 0
6 0 0 4867812 103508 2927040 0 0 55 338 4023 162 0
21 79 0
13 2 0 4867176 103576 2927056 0 0 80 353 4311 2163 0
16 82 0
36 0 0 4858528 103872 2929492 0 0 726 913 4967 1164 0
27 69 1
28 0 0 4858652 103900 2929492 0 0 57 113 2269 1162 0
28 70 0
18 0 0 4858248 103912 2929388 0 0 254 4304 2637 1270 0
30 66 0
10 1 0 4865108 103944 2929388 0 0 82 7827 7403 1950 0
33 64 0
8 0 0 4865108 103964 2929388 0 0 170 2927 2518 1147 0
14 85 0
7 1 0 4865240 103980 2929384 0 0 74 513 2446 965 0
17 81 0
Вывод xm dmesg выглядит примерно так:
(XEN) mm.c:645:d14 Non-privileged (14) attempt to map I/O space 000000f0
(XEN) mm.c:645:d2 Non-privileged (2) attempt to map I/O space 000000f0
(XEN) mm.c:645:d11 Non-privileged (11) attempt to map I/O space 000000f0
(XEN) mm.c:645:d3 Non-privileged (3) attempt to map I/O space 000000f0
(XEN) mm.c:645:d4 Non-privileged (4) attempt to map I/O space 000000f0
(XEN) mm.c:645:d13 Non-privileged (13) attempt to map I/O space 000000f0
(XEN) mm.c:645:d5 Non-privileged (5) attempt to map I/O space 000000f0
(XEN) mm.c:645:d9 Non-privileged (9) attempt to map I/O space 000000f0
(XEN) mm.c:645:d12 Non-privileged (12) attempt to map I/O space 000000f0
(XEN) mm.c:645:d16 Non-privileged (16) attempt to map I/O space 000000f0
--
WBR, Bogdan B. Rudas
наверно потому что r между 7 и 38 все время (хоть и на 5 секундном
интервале) ,
r: The number of processes waiting for run time.
также в среднем system time ~20 что имхо довольно много .
Alex
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