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2026-04-18 - 05:20
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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 Sat Apr 18, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24972203164,25sleep20-21swapper/219:06:102
25522201161,25sleep30-21swapper/319:06:513
24802200162,24sleep00-21swapper/019:05:550
24462200160,26sleep10-21swapper/119:05:281
50252650,0sleep00-21swapper/022:01:090
2894991614,1cyclictest28-21ksoftirqd/222:50:012
2894991514,1cyclictest28-21ksoftirqd/221:30:212
2894991513,1cyclictest28-21ksoftirqd/222:05:172
2894991513,1cyclictest28-21ksoftirqd/200:10:132
267632150,0sleep20-21swapper/200:36:432
2894991413,1cyclictest28-21ksoftirqd/223:50:132
2894991413,1cyclictest28-21ksoftirqd/222:59:122
2894991412,1cyclictest28-21ksoftirqd/223:10:182
2894991412,1cyclictest28-21ksoftirqd/221:15:012
2894991312,1cyclictest28-21ksoftirqd/223:35:132
2894991312,1cyclictest28-21ksoftirqd/223:15:112
2894991312,1cyclictest28-21ksoftirqd/220:50:002
2894991312,1cyclictest28-21ksoftirqd/219:45:132
2894991312,1cyclictest28-21ksoftirqd/200:05:102
2894991311,1cyclictest28-21ksoftirqd/222:10:152
2894991311,1cyclictest28-21ksoftirqd/221:20:112
2894991311,1cyclictest28-21ksoftirqd/220:35:002
2894991311,1cyclictest28-21ksoftirqd/220:25:002
117522130,0sleep30-21swapper/322:10:183
2906991210,1cyclictest35-21ksoftirqd/320:15:003
289499124,7cyclictest28-21ksoftirqd/222:15:152
2894991212,0cyclictest28-21ksoftirqd/200:24:592
2894991211,1cyclictest28-21ksoftirqd/223:55:202
2894991211,1cyclictest28-21ksoftirqd/223:49:272
2894991211,1cyclictest28-21ksoftirqd/222:45:172
2894991211,1cyclictest28-21ksoftirqd/222:40:212
2894991211,1cyclictest28-21ksoftirqd/222:25:172
2894991211,1cyclictest28-21ksoftirqd/219:20:122
2894991211,1cyclictest28-21ksoftirqd/219:10:142
2894991211,1cyclictest28-21ksoftirqd/200:00:112
2894991210,1cyclictest28-21ksoftirqd/221:40:182
2894991210,1cyclictest28-21ksoftirqd/219:45:012
289499119,1cyclictest28-21ksoftirqd/220:40:162
289499119,1cyclictest28-21ksoftirqd/220:40:012
289499119,1cyclictest28-21ksoftirqd/220:20:012
289499119,1cyclictest28-21ksoftirqd/220:09:592
289499119,1cyclictest28-21ksoftirqd/219:20:002
289499119,1cyclictest28-21ksoftirqd/200:34:592
289499114,1cyclictest28-21ksoftirqd/223:00:202
2894991111,0cyclictest28-21ksoftirqd/221:00:142
2894991110,1cyclictest28-21ksoftirqd/223:30:002
2894991110,1cyclictest28-21ksoftirqd/221:35:112
2894991110,1cyclictest28-21ksoftirqd/221:15:152
290699109,1cyclictest35-21ksoftirqd/300:10:013
289499109,1cyclictest28-21ksoftirqd/223:40:152
289499109,1cyclictest28-21ksoftirqd/222:35:142
289499109,1cyclictest28-21ksoftirqd/222:30:112
289499109,1cyclictest28-21ksoftirqd/221:55:162
289499109,1cyclictest28-21ksoftirqd/221:05:002
289499109,1cyclictest28-21ksoftirqd/220:25:122
289499109,1cyclictest28-21ksoftirqd/220:10:142
289499109,1cyclictest28-21ksoftirqd/200:26:162
289499109,1cyclictest28-21ksoftirqd/200:15:212
289499108,1cyclictest28-21ksoftirqd/222:00:092
289499108,1cyclictest28-21ksoftirqd/220:00:002
29069997,1cyclictest7355-21apt-get20:25:103
29069991,4cyclictest28817-21apt-get21:10:103
28949998,1cyclictest28-21ksoftirqd/223:30:122
28949998,1cyclictest28-21ksoftirqd/223:20:112
28949998,1cyclictest28-21ksoftirqd/222:20:112
28949998,1cyclictest28-21ksoftirqd/222:20:102
28949998,1cyclictest28-21ksoftirqd/221:50:212
28949998,1cyclictest28-21ksoftirqd/220:00:132
28949997,1cyclictest28-21ksoftirqd/223:10:012
28949997,1cyclictest28-21ksoftirqd/221:30:012
28949995,3cyclictest28-21ksoftirqd/219:30:012
28749998,1cyclictest9-21ksoftirqd/021:47:520
28749997,1cyclictest9-21ksoftirqd/019:32:210
28749996,2cyclictest1767-21ssh00:05:120
29069986,1cyclictest17998-21snmpd23:17:133
29069986,1cyclictest17998-21snmpd23:01:013
29069986,1cyclictest17998-21snmpd22:38:253
29069986,1cyclictest17998-21snmpd22:33:583
29069986,1cyclictest17998-21snmpd20:45:103
29069986,1cyclictest17998-21snmpd19:51:353
29069980,5cyclictest26000-21kworker/u8:000:04:463
29069980,5cyclictest20138-21apt-get21:40:113
28949987,1cyclictest28-21ksoftirqd/221:45:172
28949987,1cyclictest28-21ksoftirqd/220:55:142
28949987,1cyclictest28-21ksoftirqd/219:50:142
28949986,1cyclictest28-21ksoftirqd/220:55:002
28949986,1cyclictest28-21ksoftirqd/219:40:002
28949986,1cyclictest28-21ksoftirqd/219:40:002
28749986,1cyclictest9380-21perl22:50:140
28749986,1cyclictest9079-21cat21:25:150
28749986,1cyclictest17998-21snmpd20:45:150
28749986,1cyclictest10495-21ssh22:10:110
28749984,2cyclictest240-21systemd-journal20:45:010
28749980,7cyclictest9530-21ssh23:32:440
28749980,7cyclictest7615-21ssh21:24:200
28749980,7cyclictest30674-21ntp_states22:35:170
28749980,7cyclictest29794-21ssh21:51:060
28749980,7cyclictest28560-21diskmemload00:15:480
28749980,7cyclictest27872-21ssh00:39:430
28749980,7cyclictest24621-21ssh23:52:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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