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2025-12-25 - 09:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Thu Dec 25, 2025 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323512225158,52sleep20-21swapper/219:05:042
17922222150,58sleep00-21swapper/019:06:430
17902207162,25sleep30-21swapper/319:06:423
17592201145,43sleep10-21swapper/119:06:191
322412550,1sleep032242-21apt-get23:35:110
2131991614,1cyclictest28-21ksoftirqd/200:29:592
2118991513,1cyclictest9-21ksoftirqd/019:34:590
2131991311,1cyclictest28-21ksoftirqd/220:24:592
2118991210,1cyclictest9-21ksoftirqd/021:20:000
214299119,1cyclictest35-21ksoftirqd/323:34:593
214299118,1cyclictest35-21ksoftirqd/320:10:003
213199105,4cyclictest28-21ksoftirqd/223:20:122
212299100,3cyclictest0-21swapper/122:35:111
211899109,1cyclictest9-21ksoftirqd/023:05:000
211899108,1cyclictest9-21ksoftirqd/019:55:010
21429991,7cyclictest6903-21/usr/sbin/munin23:50:163
21319997,1cyclictest28-21ksoftirqd/220:05:012
21319997,1cyclictest28-21ksoftirqd/220:05:012
21319997,1cyclictest28-21ksoftirqd/219:50:012
21189998,1cyclictest9-21ksoftirqd/021:30:000
21429986,1cyclictest707-21snmpd23:39:503
21429986,1cyclictest707-21snmpd22:09:023
21429986,1cyclictest707-21snmpd22:00:323
21429986,1cyclictest707-21snmpd22:00:323
21429986,1cyclictest707-21snmpd21:45:553
21429986,1cyclictest707-21snmpd20:54:333
21429986,1cyclictest707-21snmpd19:51:243
21429986,1cyclictest707-21snmpd19:30:533
21429986,1cyclictest707-21snmpd00:15:423
21429981,3cyclictest0-21swapper/323:55:143
21319986,1cyclictest707-21snmpd21:30:192
21319986,1cyclictest707-21snmpd20:50:412
21319986,1cyclictest61650irq/122-eno122:45:012
21319986,1cyclictest28-21ksoftirqd/221:05:012
21319986,1cyclictest28-21ksoftirqd/221:05:002
21319986,1cyclictest28-21ksoftirqd/219:45:012
21319986,1cyclictest0-21swapper/222:20:152
21319982,2cyclictest17336-21latency_hist19:40:012
21229981,6cyclictest0-21swapper/121:30:481
21189986,1cyclictest9-21ksoftirqd/020:24:590
21189986,1cyclictest707-21snmpd23:41:430
21189986,1cyclictest707-21snmpd23:34:430
21189986,1cyclictest707-21snmpd21:54:450
21189986,1cyclictest119092sleep019:26:060
21189984,2cyclictest707-21snmpd23:20:150
21189984,2cyclictest548-21systemd-logind23:17:070
21189980,3cyclictest30254-21munin-run00:40:000
21429976,1cyclictest707-21snmpd21:42:433
21429976,1cyclictest35-21ksoftirqd/321:40:013
21429976,1cyclictest35-21ksoftirqd/320:40:003
21429976,1cyclictest22467-21sensors00:20:183
21429975,1cyclictest707-21snmpd23:46:373
21429975,1cyclictest707-21snmpd22:57:033
21429975,1cyclictest707-21snmpd22:57:023
21429975,1cyclictest707-21snmpd22:41:293
21429975,1cyclictest707-21snmpd22:16:553
21429975,1cyclictest707-21snmpd22:14:473
21429975,1cyclictest707-21snmpd20:03:213
21429975,1cyclictest707-21snmpd20:03:213
21429975,1cyclictest707-21snmpd00:09:263
21429975,1cyclictest707-21snmpd00:00:553
21429971,3cyclictest24873-21cstates19:55:143
21429970,2cyclictest0-21swapper/300:25:173
21319976,1cyclictest61650irq/122-eno122:05:152
21319976,1cyclictest61650irq/122-eno120:40:092
21319976,1cyclictest28-21ksoftirqd/223:55:002
21319976,1cyclictest28-21ksoftirqd/220:15:002
21319975,1cyclictest707-21snmpd23:37:122
21319975,1cyclictest707-21snmpd22:58:062
21319975,1cyclictest707-21snmpd22:58:052
21319975,1cyclictest707-21snmpd21:15:122
21319975,1cyclictest707-21snmpd20:08:342
21319975,1cyclictest61650irq/122-eno123:00:182
21319975,1cyclictest61650irq/122-eno122:45:142
21319975,1cyclictest61650irq/122-eno100:10:192
21319975,1cyclictest28-21ksoftirqd/221:40:002
21319975,1cyclictest28-21ksoftirqd/221:15:012
21319975,1cyclictest26558-21cat21:05:162
21319974,2cyclictest707-21snmpd22:30:152
21319971,6cyclictest0-21swapper/222:02:072
21319971,6cyclictest0-21swapper/222:02:072
21319971,2cyclictest3447-21grep21:25:142
21319970,6cyclictest0-21swapper/200:20:352
21319970,2cyclictest0-21swapper/200:30:122
21319970,1cyclictest0-21swapper/223:27:102
21319970,1cyclictest0-21swapper/222:52:152
21319970,1cyclictest0-21swapper/219:34:022
21319970,1cyclictest0-21swapper/219:15:102
21229971,6cyclictest0-21swapper/122:17:201
21229970,2cyclictest0-21swapper/123:25:181
21229970,1cyclictest0-21swapper/123:53:561
21229970,1cyclictest0-21swapper/121:40:011
21189976,1cyclictest707-21snmpd21:07:060
21189976,1cyclictest0-21swapper/021:55:100
21189976,1cyclictest0-21swapper/021:55:100
21189975,1cyclictest9-21ksoftirqd/023:59:280
21189975,1cyclictest9-21ksoftirqd/022:05:100
21189975,1cyclictest9-21ksoftirqd/021:20:130
21189975,1cyclictest707-21snmpd21:13:090
21189975,1cyclictest707-21snmpd20:49:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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