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2026-04-24 - 05:56
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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 Fri Apr 24, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207742232158,26sleep30-21swapper/319:06:023
208932221157,24sleep10-21swapper/119:07:331
208522215149,23sleep20-21swapper/219:07:022
208752213149,50sleep00-21swapper/019:07:200
206612620,1sleep32117299cyclictest23:24:393
21162580,0sleep30-21swapper/319:35:143
179302540,0sleep20-21swapper/221:55:182
136402180,0sleep20-21swapper/222:32:072
2116499144,7cyclictest10442-21kworker/2:022:17:362
2116499130,12cyclictest0-21swapper/223:44:442
21164991212,0cyclictest28-21ksoftirqd/223:12:302
21164991212,0cyclictest28-21ksoftirqd/221:17:252
21164991211,1cyclictest28-21ksoftirqd/222:09:592
21164991210,1cyclictest28-21ksoftirqd/200:05:142
21155991211,1cyclictest9-21ksoftirqd/023:54:590
21155991210,1cyclictest9-21ksoftirqd/021:45:000
21155991210,1cyclictest9-21ksoftirqd/000:15:000
21172991110,1cyclictest35-21ksoftirqd/322:55:003
21172991110,1cyclictest35-21ksoftirqd/321:40:013
21164991111,0cyclictest28-21ksoftirqd/200:29:092
21164991111,0cyclictest28-21ksoftirqd/200:18:062
21164991110,1cyclictest28-21ksoftirqd/223:15:172
21164991110,1cyclictest28-21ksoftirqd/222:00:152
21164991110,1cyclictest28-21ksoftirqd/200:00:232
2117299100,9cyclictest0-21swapper/322:38:013
2116499109,1cyclictest28-21ksoftirqd/223:35:462
2116499109,1cyclictest28-21ksoftirqd/223:05:142
2116499109,1cyclictest28-21ksoftirqd/221:27:192
2116499109,1cyclictest28-21ksoftirqd/200:20:122
2116499108,1cyclictest28-21ksoftirqd/223:20:102
2116499108,1cyclictest28-21ksoftirqd/222:40:202
2116499108,1cyclictest28-21ksoftirqd/222:30:012
2116499108,1cyclictest28-21ksoftirqd/219:25:002
2116499108,1cyclictest28-21ksoftirqd/200:10:142
2116499106,2cyclictest28-21ksoftirqd/221:37:592
2116499103,2cyclictest10442-21kworker/2:022:20:142
21164991010,0cyclictest28-21ksoftirqd/221:30:142
21164991010,0cyclictest28-21ksoftirqd/221:13:372
21164991010,0cyclictest0-21swapper/223:32:132
2116499101,6cyclictest28-21ksoftirqd/222:53:582
2115599108,1cyclictest9-21ksoftirqd/023:35:210
2115599108,1cyclictest9-21ksoftirqd/022:20:130
2115599108,1cyclictest9-21ksoftirqd/021:25:180
2115599100,6cyclictest11845-21ssh22:30:150
211729999,0cyclictest0-21swapper/322:00:523
211729998,1cyclictest35-21ksoftirqd/323:15:013
211729998,1cyclictest35-21ksoftirqd/322:45:003
211729998,1cyclictest35-21ksoftirqd/319:50:013
211729990,3cyclictest0-21swapper/323:55:123
211649999,0cyclictest28-21ksoftirqd/223:25:552
211649998,1cyclictest28-21ksoftirqd/223:55:142
211649998,1cyclictest28-21ksoftirqd/223:54:552
211649998,1cyclictest28-21ksoftirqd/222:10:172
211649997,1cyclictest28-21ksoftirqd/220:15:122
211599990,1cyclictest0-21swapper/123:50:111
211559998,1cyclictest9-21ksoftirqd/023:30:130
211559998,1cyclictest9-21ksoftirqd/000:20:000
211559997,1cyclictest9-21ksoftirqd/023:00:130
211559997,1cyclictest9-21ksoftirqd/021:00:120
211559997,1cyclictest9-21ksoftirqd/000:25:130
211559997,1cyclictest9-21ksoftirqd/000:05:160
211559997,0cyclictest9-21ksoftirqd/022:14:590
211559994,1cyclictest17576-21sh21:55:170
211559990,4cyclictest23525-21cat19:14:590
9628280,1sleep10-21swapper/123:10:041
9442280,1sleep29682-21tr21:00:122
211729987,1cyclictest35-21ksoftirqd/322:00:013
211729986,1cyclictest35-21ksoftirqd/320:20:003
211729986,1cyclictest23808-21cat20:20:163
211729986,1cyclictest17998-21snmpd20:43:253
211729986,1cyclictest16527-21cat20:05:153
211649988,0cyclictest28-21ksoftirqd/223:01:092
211649988,0cyclictest28-21ksoftirqd/200:39:262
211649987,1cyclictest61650irq/122-eno121:46:252
211649987,1cyclictest28-21ksoftirqd/221:43:152
211649987,1cyclictest28-21ksoftirqd/221:24:532
211649987,1cyclictest28-21ksoftirqd/220:10:112
211649986,1cyclictest28-21ksoftirqd/222:45:192
211649986,1cyclictest28-21ksoftirqd/219:40:162
211599980,4cyclictest0-21swapper/121:55:151
211599980,2cyclictest0-21swapper/121:30:121
211559987,1cyclictest9-21ksoftirqd/023:55:140
211559987,1cyclictest9-21ksoftirqd/023:45:190
211559987,1cyclictest9-21ksoftirqd/023:20:000
211559987,1cyclictest9-21ksoftirqd/023:10:180
211559987,1cyclictest9-21ksoftirqd/022:35:140
211559987,1cyclictest9-21ksoftirqd/020:40:120
211559987,1cyclictest24564-21ssh21:22:040
211559986,1cyclictest9-21ksoftirqd/021:50:140
211559986,1cyclictest17998-21snmpd19:33:560
211559984,4cyclictest9-21ksoftirqd/021:38:060
211559982,1cyclictest30140-21/usr/sbin/munin21:30:170
211559981,6cyclictest5921-21ssh23:05:120
211559980,8cyclictest0-21swapper/019:40:130
211559980,7cyclictest2394-21ssh22:17:260
211559980,1cyclictest15012-21ssh21:10:170
211729976,1cyclictest35-21ksoftirqd/323:20:013
211729976,1cyclictest35-21ksoftirqd/322:25:003
211729976,1cyclictest35-21ksoftirqd/321:11:583
211729976,1cyclictest17998-21snmpd23:33:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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