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2026-07-12 - 07:16
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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 Sun Jul 12, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110532236159,61sleep20-21swapper/219:06:592
109402211150,23sleep30-21swapper/319:05:303
112282203167,23sleep10-21swapper/119:09:151
110512202150,22sleep00-21swapper/019:06:560
142302170,0sleep10-21swapper/120:20:151
142302170,0sleep10-21swapper/120:20:151
11392991413,1cyclictest28-21ksoftirqd/200:22:192
1138599130,12cyclictest0-21swapper/121:55:171
11392991211,1cyclictest28-21ksoftirqd/223:14:592
11392991211,1cyclictest28-21ksoftirqd/221:55:012
11392991211,1cyclictest28-21ksoftirqd/200:35:132
11374991210,1cyclictest9-21ksoftirqd/023:59:590
11374991210,1cyclictest9-21ksoftirqd/021:25:100
1140299110,1cyclictest0-21swapper/319:50:113
1139299119,1cyclictest28-21ksoftirqd/223:55:002
11392991111,0cyclictest0-21swapper/222:37:482
11392991110,1cyclictest28-21ksoftirqd/223:00:122
11392991110,1cyclictest28-21ksoftirqd/222:29:592
1137499119,1cyclictest9-21ksoftirqd/022:45:140
1137499119,1cyclictest9-21ksoftirqd/022:29:590
1137499119,1cyclictest9-21ksoftirqd/019:45:000
1139299109,1cyclictest28-21ksoftirqd/223:45:152
1139299109,1cyclictest28-21ksoftirqd/223:40:132
1139299109,1cyclictest28-21ksoftirqd/223:30:112
1139299109,1cyclictest28-21ksoftirqd/222:18:342
1139299109,1cyclictest28-21ksoftirqd/221:15:142
1139299109,1cyclictest28-21ksoftirqd/220:10:012
1139299108,1cyclictest28-21ksoftirqd/200:00:112
11392991010,0cyclictest28-21ksoftirqd/221:40:152
1137499109,1cyclictest9-21ksoftirqd/022:05:150
1137499109,1cyclictest9-21ksoftirqd/019:15:010
1137499109,1cyclictest9-21ksoftirqd/019:15:000
1137499109,1cyclictest9-21ksoftirqd/000:05:150
1137499108,1cyclictest9-21ksoftirqd/021:25:000
1137499108,1cyclictest9-21ksoftirqd/020:55:220
1137499108,1cyclictest9-21ksoftirqd/000:25:150
1137499104,5cyclictest2331-21perf22:34:590
114029990,5cyclictest4634-21diskmemload22:51:173
113929999,0cyclictest28-21ksoftirqd/221:30:142
113929998,1cyclictest28-21ksoftirqd/223:20:132
113929998,1cyclictest28-21ksoftirqd/222:55:142
113929998,1cyclictest28-21ksoftirqd/222:40:182
113929998,1cyclictest28-21ksoftirqd/222:20:132
113929998,1cyclictest28-21ksoftirqd/222:00:152
113929998,1cyclictest28-21ksoftirqd/221:45:132
113929998,1cyclictest28-21ksoftirqd/200:30:112
113929992,4cyclictest6746-21apt-get23:25:112
113929990,8cyclictest4634-21diskmemload23:05:142
113859995,4cyclictest203-21jbd2/sda2-822:50:291
113749999,0cyclictest9-21ksoftirqd/021:45:120
113749998,1cyclictest9-21ksoftirqd/023:28:250
113749995,2cyclictest4634-21diskmemload23:37:050
114029980,5cyclictest0-21swapper/322:30:103
114029980,4cyclictest0-21swapper/300:15:103
114029980,4cyclictest0-21swapper/300:15:103
114029980,1cyclictest0-21swapper/300:35:233
113929988,0cyclictest28-21ksoftirqd/222:05:202
113929988,0cyclictest28-21ksoftirqd/221:35:122
113929987,1cyclictest28-21ksoftirqd/223:35:212
113929987,1cyclictest28-21ksoftirqd/222:10:102
113929987,1cyclictest28-21ksoftirqd/220:39:592
113929987,1cyclictest28-21ksoftirqd/220:30:142
113929987,1cyclictest28-21ksoftirqd/219:20:162
113929987,1cyclictest28-21ksoftirqd/219:10:142
113929987,1cyclictest28-21ksoftirqd/200:25:192
113929986,1cyclictest61650irq/122-eno123:55:162
113929982,6cyclictest4634-21diskmemload23:15:232
113929980,5cyclictest1732-21runrttasks22:33:252
113749988,0cyclictest9-21ksoftirqd/023:05:140
113749988,0cyclictest9-21ksoftirqd/023:00:110
113749988,0cyclictest9-21ksoftirqd/021:35:110
113749988,0cyclictest9-21ksoftirqd/021:30:200
113749988,0cyclictest9-21ksoftirqd/000:20:140
113749987,1cyclictest9-21ksoftirqd/023:15:210
113749987,1cyclictest9-21ksoftirqd/020:15:000
113749987,1cyclictest4634-21diskmemload22:19:420
113749986,1cyclictest22091-21apt-get00:30:120
113749980,4cyclictest8757-21sort20:10:010
521270,0sleep10-21swapper/121:46:291
23415270,1sleep121-21ksoftirqd/120:40:121
17492270,1sleep10-21swapper/122:10:131
114029976,1cyclictest35-21ksoftirqd/300:35:003
114029976,1cyclictest35-21ksoftirqd/300:04:593
114029976,1cyclictest30325-21ssh22:27:493
114029975,1cyclictest8330-21ssh22:41:223
114029975,1cyclictest31432-21ssh23:57:503
114029975,1cyclictest2298-21ssh23:18:303
114029972,4cyclictest24646-21apt-get19:35:013
114029972,3cyclictest17897-21apt-get23:40:113
114029972,3cyclictest17213-21latency_hist19:20:013
114029970,6cyclictest0-21swapper/320:32:563
114029970,5cyclictest17416-21perf23:40:003
114029970,4cyclictest6423-21gpgv20:05:003
114029970,0cyclictest0-21swapper/320:35:113
113929976,1cyclictest7668-21ssh21:13:432
113929976,1cyclictest61650irq/122-eno122:53:192
113929976,1cyclictest61650irq/122-eno119:50:192
113929976,1cyclictest28-21ksoftirqd/220:55:162
113929976,1cyclictest28-21ksoftirqd/220:45:182
113929976,1cyclictest28-21ksoftirqd/219:40:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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