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2026-07-02 - 01:11
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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 Jul 01, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160302209163,32sleep20-21swapper/207:08:472
158422208158,24sleep00-21swapper/007:06:210
159962206157,24sleep30-21swapper/307:08:203
160962199162,24sleep10-21swapper/107:09:391
135322720,0sleep121-21ksoftirqd/108:10:131
91372690,0sleep10-21swapper/109:10:001
72362150,0sleep30-21swapper/307:55:173
243452150,0sleep10-21swapper/110:57:541
16217991413,1cyclictest9-21ksoftirqd/012:30:150
16223991212,0cyclictest0-21swapper/112:25:471
1621799123,4cyclictest3626-21perf11:15:000
16217991211,1cyclictest9-21ksoftirqd/009:55:000
1621799120,0cyclictest0-21swapper/011:55:110
1623099114,6cyclictest28-21ksoftirqd/210:31:502
1621799119,1cyclictest9-21ksoftirqd/010:10:150
1621799113,4cyclictest6747-21sed09:05:000
1623799109,1cyclictest35-21ksoftirqd/311:30:013
1623799100,7cyclictest28454-21kworker/u8:009:45:383
1623099101,8cyclictest7509-21apt-get11:20:102
1623099100,8cyclictest10845-21apt-get08:05:152
1621799109,1cyclictest9-21ksoftirqd/009:20:130
1621799100,5cyclictest25127-21perf11:00:000
162379997,1cyclictest35-21ksoftirqd/308:15:103
162309996,1cyclictest28-21ksoftirqd/208:55:002
162179998,1cyclictest9-21ksoftirqd/012:15:150
162179998,1cyclictest9-21ksoftirqd/010:35:150
162179998,1cyclictest9-21ksoftirqd/010:30:160
162179997,1cyclictest9-21ksoftirqd/012:05:010
162179997,1cyclictest9-21ksoftirqd/009:15:150
162179997,1cyclictest9-21ksoftirqd/007:15:000
162379985,1cyclictest13650irq/124-ahci[0011:24:553
162379984,2cyclictest240-21systemd-journal08:45:013
162379982,2cyclictest29924-21apt-get08:45:113
162379981,7cyclictest9547-21taskset09:53:003
162379981,5cyclictest16204-21cyclictest10:01:503
162379980,6cyclictest0-21swapper/311:32:523
162379980,5cyclictest0-21swapper/309:25:123
162379980,5cyclictest0-21swapper/308:50:133
162379980,4cyclictest7490-21cstates10:35:133
162379980,4cyclictest0-21swapper/309:55:043
162379980,3cyclictest0-21swapper/312:27:553
162309987,1cyclictest28-21ksoftirqd/212:08:282
162309986,1cyclictest61650irq/122-eno112:15:112
162309986,1cyclictest61650irq/122-eno111:32:292
162309986,1cyclictest61650irq/122-eno111:14:382
162309986,1cyclictest61650irq/122-eno110:39:212
162309986,1cyclictest61650irq/122-eno110:15:132
162309986,1cyclictest61650irq/122-eno108:15:112
162309986,1cyclictest28-21ksoftirqd/210:40:052
162309984,3cyclictest0-21swapper/211:45:352
162309983,4cyclictest20572-21apt-get09:25:122
162309981,6cyclictest18564-21munin-node11:15:082
162309980,4cyclictest9053-21diskmemload11:05:142
162239980,8cyclictest0-21swapper/108:01:001
162239980,8cyclictest0-21swapper/108:00:591
162179988,0cyclictest9-21ksoftirqd/011:15:210
162179987,1cyclictest9-21ksoftirqd/012:20:130
162179987,1cyclictest9-21ksoftirqd/012:05:140
162179987,1cyclictest9-21ksoftirqd/011:05:140
162179987,1cyclictest9-21ksoftirqd/009:10:110
162179987,1cyclictest9-21ksoftirqd/008:00:150
162179987,1cyclictest9-21ksoftirqd/008:00:140
162179986,1cyclictest9-21ksoftirqd/008:15:110
162179983,1cyclictest18858-21sh11:35:130
162179980,8cyclictest18565-21kworker/0:209:25:150
162179980,7cyclictest31658-21ssh12:35:200
7423270,1sleep30-21swapper/312:03:343
17415270,0sleep00-21swapper/011:32:580
162379976,1cyclictest35-21ksoftirqd/312:15:003
162379976,1cyclictest0-21swapper/312:35:183
162379975,1cyclictest5047-21ntpq11:15:173
162379975,1cyclictest35-21ksoftirqd/308:21:103
162379975,1cyclictest26078-21apt-get11:45:123
162379975,1cyclictest19494-21cat11:35:143
162379974,1cyclictest35-21ksoftirqd/307:14:553
162379973,3cyclictest26510-1kworker/u9:109:32:493
162379973,2cyclictest561-21nscd10:09:073
162379972,4cyclictest0-21swapper/312:20:033
162379971,3cyclictest9053-21diskmemload11:51:103
162379971,2cyclictest9053-21diskmemload11:12:163
162379971,2cyclictest9053-21diskmemload10:53:363
162379970,6cyclictest2619-21ssh09:44:013
162379970,2cyclictest0-21swapper/312:06:313
162379970,1cyclictest0-21swapper/309:24:103
162309976,1cyclictest61650irq/122-eno112:20:122
162309976,1cyclictest61650irq/122-eno111:40:012
162309976,1cyclictest61650irq/122-eno110:50:132
162309976,1cyclictest61650irq/122-eno110:48:122
162309976,1cyclictest61650irq/122-eno109:35:122
162309976,1cyclictest61650irq/122-eno109:15:222
162309976,1cyclictest61650irq/122-eno108:40:002
162309976,1cyclictest61650irq/122-eno108:25:162
162309976,1cyclictest61650irq/122-eno107:25:132
162309976,1cyclictest25574-21cat09:30:302
162309975,1cyclictest61650irq/122-eno110:25:402
162309975,1cyclictest61650irq/122-eno109:46:032
162309975,1cyclictest28-21ksoftirqd/207:35:122
162309975,1cyclictest16691-21ssh09:20:052
162309974,2cyclictest18666-21df07:15:002
162309974,2cyclictest17802-21apt-get10:05:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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