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2026-04-08 - 14:31
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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 Wed Apr 08, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207432213152,48sleep30-21swapper/307:07:163
208172207170,24sleep00-21swapper/007:08:130
207692200161,26sleep20-21swapper/207:07:352
207062200163,24sleep10-21swapper/107:06:451
23822750,0sleep00-21swapper/009:35:150
2104999134,4cyclictest25911-21perf09:25:000
2104999110,1cyclictest240-21systemd-journal12:10:000
213052100,0sleep20-21swapper/207:10:122
2107899108,1cyclictest35-21ksoftirqd/308:40:003
210789990,5cyclictest5805-21apt-get11:05:103
210699997,1cyclictest28-21ksoftirqd/208:05:002
210699995,4cyclictest61650irq/122-eno109:55:292
210699994,4cyclictest61650irq/122-eno107:50:102
210499996,1cyclictest9-21ksoftirqd/010:40:000
210499990,5cyclictest240-21systemd-journal08:38:230
3362280,1sleep03336-21perf10:20:000
210789987,1cyclictest35-21ksoftirqd/312:35:133
210789986,1cyclictest35-21ksoftirqd/309:40:013
210789986,1cyclictest35-21ksoftirqd/307:29:273
210789986,1cyclictest35-21ksoftirqd/307:15:003
210789980,6cyclictest809-21rm11:40:133
210789980,5cyclictest0-21swapper/311:45:103
210789980,5cyclictest0-21swapper/311:18:213
210699988,0cyclictest28-21ksoftirqd/210:14:272
210699986,1cyclictest1184-21cat11:40:152
210699980,7cyclictest13119-21sh10:30:342
210699980,6cyclictest0-21swapper/209:50:122
210499987,1cyclictest28035-1kworker/u9:009:28:290
210499987,1cyclictest13885-21diskmemload11:27:030
210499980,7cyclictest26340-21ssh12:13:200
210789977,0cyclictest35-21ksoftirqd/308:10:003
210789976,1cyclictest35-21ksoftirqd/309:15:123
210789976,1cyclictest26522-21sensors11:30:193
210789975,1cyclictest899-21ssh09:33:443
210789975,1cyclictest8093-21ssh09:42:213
210789974,1cyclictest240-21systemd-journal09:55:553
210789973,2cyclictest240-21systemd-journal11:55:003
210789971,4cyclictest31090-21apt-get12:20:103
210789971,4cyclictest1747-21ntpd08:59:023
210789970,6cyclictest11473-21ssh09:46:123
210789970,4cyclictest0-21swapper/311:35:113
210789970,4cyclictest0-21swapper/309:51:063
210789970,2cyclictest0-21swapper/311:10:113
210699976,1cyclictest61650irq/122-eno112:30:112
210699976,1cyclictest61650irq/122-eno112:20:112
210699976,1cyclictest61650irq/122-eno109:45:002
210699976,0cyclictest61650irq/122-eno112:25:122
210699975,1cyclictest61650irq/122-eno112:15:172
210699975,1cyclictest61650irq/122-eno112:00:122
210699975,1cyclictest28-21ksoftirqd/208:20:002
210699975,1cyclictest0-21swapper/212:10:142
210699973,2cyclictest240-21systemd-journal07:40:002
210699972,4cyclictest1-21systemd09:20:002
210699971,4cyclictest31767-21ntp_states10:55:162
210699971,3cyclictest0-21swapper/211:02:302
210699970,6cyclictest10341-21df11:10:132
210699970,6cyclictest0-21swapper/210:15:112
210699970,5cyclictest0-21swapper/212:35:202
210699970,5cyclictest0-21swapper/211:15:102
210699970,5cyclictest0-21swapper/207:25:152
210609976,0cyclictest0-21swapper/111:04:001
210609970,3cyclictest0-21swapper/109:54:361
210499975,1cyclictest9-21ksoftirqd/009:05:000
210499975,1cyclictest21033-21ssh10:00:120
210499974,1cyclictest240-21systemd-journal08:45:010
210499973,1cyclictest9193-21idleruntime-cro09:00:000
210499972,3cyclictest13979-1kworker/u9:112:00:150
210499971,0cyclictest13885-21diskmemload11:54:420
210499970,6cyclictest7537-21cut10:25:120
210499970,6cyclictest6731-21ssh11:05:140
210499970,6cyclictest4456-21ssh12:25:510
210499970,6cyclictest25386-21ssh10:47:430
210499970,6cyclictest13885-21diskmemload09:16:520
210499970,6cyclictest11203-21ssh10:30:040
210499970,6cyclictest11061-21irqstats12:35:150
210499970,6cyclictest0-21swapper/011:35:130
210499970,6cyclictest0-21swapper/009:40:100
210499970,6cyclictest0-21swapper/007:30:110
210499970,3cyclictest0-21swapper/007:50:100
210499970,1cyclictest9362-21ssh09:45:110
210499970,1cyclictest865-21ssh10:57:510
210499970,1cyclictest8520-21ssh12:31:290
210499970,1cyclictest712-21ssh12:21:030
210499970,1cyclictest6931-21ssh10:24:260
210499970,1cyclictest6424-21ssh11:46:450
210499970,1cyclictest4470-21ssh11:02:120
210499970,1cyclictest3597-21ssh11:44:230
210499970,1cyclictest32123-21ssh09:30:320
210499970,1cyclictest28596-21ssh10:10:120
210499970,1cyclictest19287-21ssh11:20:250
210499970,1cyclictest17372-21ssh09:14:030
210499970,1cyclictest15695-21ssh09:52:190
210499970,1cyclictest14348-21tune2fs11:15:130
210499970,1cyclictest14026-21ssh11:56:050
210499970,1cyclictest0-21swapper/012:15:170
210499970,1cyclictest0-21swapper/010:40:200
210499970,1cyclictest0-21swapper/007:10:150
23415260,1sleep10-21swapper/112:10:081
210789965,1cyclictest5530-21ssh10:20:383
210789965,1cyclictest5048-21ntpq07:40:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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