Eugene Grosbein wrote:
On Mon, Oct 05, 2009 at 07:30:15PM +0500, rihad wrote:
How do I investigate and fix this burstiness issue?
Please also show:
sysctl net.isr
sysctl net.inet.ip.intr_queue_maxlen
net.isr.swi_count: 65461359
net.isr.drop: 0
net.isr.queued: 32843752
net.isr.deferred: 0
net.isr.directed: -723075002
net.isr.count: -723074001
net.isr.direct: 1
net.inet.ip.intr_queue_maxlen: 50
What is CPU load in when the load is maximum?
It has 2 quad-cores, so I'm not sure. Here's the output of top -S:
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
11 root 1 171 ki31 0K 16K CPU7 7 120.2H 98.39%
idle: cpu7
12 root 1 171 ki31 0K 16K CPU6 6 120.3H 95.75%
idle: cpu6
16 root 1 171 ki31 0K 16K CPU2 2 115.5H 93.99%
idle: cpu2
14 root 1 171 ki31 0K 16K CPU4 4 114.6H 91.89%
idle: cpu4
18 root 1 171 ki31 0K 16K RUN 0 97.7H 88.96%
idle: cpu0
13 root 1 171 ki31 0K 16K CPU5 5 117.5H 85.35%
idle: cpu5
15 root 1 171 ki31 0K 16K CPU3 3 110.2H 79.79%
idle: cpu3
29 root 1 -68 - 0K 16K WAIT 1 59.1H 54.05%
irq256: bce0
17 root 1 171 ki31 0K 16K CPU1 1 63.5H 42.29%
idle: cpu1
467 root 1 -68 - 0K 16K - 3 21.4H 11.57%
dummynet
19 root 1 -32 - 0K 16K WAIT 4 268:29 3.66%
swi4: clock sio
31 root 1 -68 - 0K 16K WAIT 2 310:19 2.98%
irq257: bce1
30 root 1 -64 - 0K 16K WAIT 6 40:02 0.29%
irq16: mfi0
3 root 1 -8 - 0K 16K - 5 55:42 0.00% g_up
4 root 1 -8 - 0K 16K - 1 51:22 0.00% g_down
22 root 1 44 - 0K 16K - 3 13:30 0.00% yarrow
21 root 1 -44 - 0K 16K WAIT 0 9:09 0.00%
swi1: net
51 root 1 20 - 0K 16K syncer 2 7:25 0.00% syncer
599 root 1 44 0 5660K 1132K select 0 1:40 0.00% syslogd
52 root 1 -16 - 0K 16K sdflus 5 0:34 0.00%
softdepflush
2 root 1 -8 - 0K 16K - 2 0:31 0.00% g_event
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