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2026-06-22 - 19:32
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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 Mon Jun 22, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15772219158,48sleep10-21swapper/107:06:091
16652218163,43sleep20-21swapper/207:07:192
17402202157,31sleep30-21swapper/307:08:163
15292200156,31sleep00-21swapper/007:05:310
220772690,0sleep1111rcu_preempt11:15:011
24912600,0sleep00-21swapper/007:10:140
243252580,0sleep30-21swapper/311:15:543
197599131,9cyclictest4325-21munin-node12:30:152
1984991210,1cyclictest35-21ksoftirqd/312:40:013
1975991211,1cyclictest28-21ksoftirqd/207:35:002
1975991210,1cyclictest28-21ksoftirqd/212:10:002
1975991210,1cyclictest28-21ksoftirqd/209:20:132
1975991210,1cyclictest28-21ksoftirqd/209:20:012
197599119,1cyclictest28-21ksoftirqd/212:20:202
197599119,1cyclictest28-21ksoftirqd/209:00:002
1975991110,1cyclictest61650irq/122-eno112:15:112
1975991110,1cyclictest28-21ksoftirqd/212:14:592
1975991110,1cyclictest28-21ksoftirqd/211:15:152
198499109,1cyclictest35-21ksoftirqd/309:55:113
198499108,1cyclictest35-21ksoftirqd/311:50:143
198499108,1cyclictest35-21ksoftirqd/311:35:003
198499108,1cyclictest35-21ksoftirqd/308:10:133
197599109,1cyclictest28-21ksoftirqd/211:59:592
197599109,1cyclictest28-21ksoftirqd/211:20:112
197599109,1cyclictest28-21ksoftirqd/211:00:012
197599109,1cyclictest28-21ksoftirqd/210:45:112
197599108,1cyclictest28-21ksoftirqd/211:45:202
197599108,1cyclictest28-21ksoftirqd/210:00:132
197599108,1cyclictest28-21ksoftirqd/209:30:122
197599108,1cyclictest28-21ksoftirqd/209:25:152
197599107,3cyclictest9656-21kworker/2:210:44:122
196299109,1cyclictest9-21ksoftirqd/009:45:110
196299108,1cyclictest9-21ksoftirqd/008:55:000
196299101,4cyclictest27247-21diskmemload12:00:000
19849999,0cyclictest0-21swapper/308:08:203
19849998,0cyclictest31080-21apt-get09:15:123
19759998,1cyclictest28-21ksoftirqd/212:25:142
19759998,1cyclictest28-21ksoftirqd/212:00:152
19759998,1cyclictest28-21ksoftirqd/211:30:062
19759998,1cyclictest28-21ksoftirqd/211:10:152
19759998,1cyclictest28-21ksoftirqd/211:05:192
19759998,1cyclictest28-21ksoftirqd/210:38:092
19759998,1cyclictest28-21ksoftirqd/208:25:142
19759998,1cyclictest28-21ksoftirqd/208:00:182
19759998,1cyclictest28-21ksoftirqd/207:15:182
19759997,1cyclictest7206-21nscd07:25:182
19759997,1cyclictest10262-21sh11:40:442
19759996,3cyclictest28-21ksoftirqd/209:44:272
19759993,3cyclictest240-21systemd-journal10:27:232
19759990,8cyclictest20680-21kworker/u8:009:45:592
19759990,7cyclictest693-21runrttasks09:58:192
19759990,2cyclictest240-21systemd-journal10:34:242
19849987,1cyclictest35-21ksoftirqd/311:50:003
19849987,1cyclictest35-21ksoftirqd/311:10:013
19849987,1cyclictest35-21ksoftirqd/310:55:013
19849986,1cyclictest35-21ksoftirqd/308:15:103
19849986,1cyclictest0-21swapper/311:00:193
19849982,3cyclictest4499-21apt-get11:35:133
19759988,0cyclictest28-21ksoftirqd/209:35:172
19759988,0cyclictest28-21ksoftirqd/208:30:152
19759987,1cyclictest28-21ksoftirqd/210:50:112
19759987,1cyclictest28-21ksoftirqd/210:10:192
19759987,1cyclictest28-21ksoftirqd/209:50:212
19759987,1cyclictest28-21ksoftirqd/209:10:222
19759987,1cyclictest28-21ksoftirqd/209:00:142
19759987,1cyclictest28-21ksoftirqd/208:20:142
19759986,1cyclictest61650irq/122-eno111:35:142
19699985,2cyclictest0-21swapper/109:35:111
19699981,3cyclictest0-21swapper/108:40:141
19699980,4cyclictest0-21swapper/110:50:191
19629987,1cyclictest9-21ksoftirqd/010:15:000
19629986,1cyclictest9-21ksoftirqd/011:36:040
19629986,1cyclictest4824-21ssh09:21:370
19629984,1cyclictest240-21systemd-journal11:55:000
19629984,1cyclictest14494-21/usr/sbin/munin10:20:120
19629980,8cyclictest4325-21munin-node12:24:460
19629980,7cyclictest26456-21ssh09:50:200
19629980,7cyclictest0-21swapper/012:00:040
19629980,7cyclictest0-21swapper/010:45:130
19629980,6cyclictest0-21swapper/009:19:550
19849976,0cyclictest35-21ksoftirqd/309:30:013
19849975,1cyclictest3198-21ssh10:48:423
19849975,1cyclictest31937-21ssh10:43:373
19849975,1cyclictest27686-21ssh09:52:553
19849975,1cyclictest22587-21ntpq09:45:173
19849975,1cyclictest20474-21ssh10:27:013
19849975,1cyclictest19149-21sshd07:42:393
19849975,1cyclictest17793-21ssh10:24:523
19849975,1cyclictest17297-21ssh09:39:343
19849973,3cyclictest31413-21ls12:10:163
19849973,3cyclictest16981-21awk07:40:003
19849971,5cyclictest6043-21apt-get08:25:123
19849971,4cyclictest0-21swapper/309:33:303
19849971,2cyclictest7195-21runrttasks10:10:123
19849970,3cyclictest0-21swapper/309:43:273
19759977,0cyclictest28-21ksoftirqd/211:50:182
19759976,1cyclictest28-21ksoftirqd/212:35:152
19759976,1cyclictest28-21ksoftirqd/211:25:122
19759976,1cyclictest28-21ksoftirqd/210:05:112
19759976,1cyclictest28-21ksoftirqd/210:05:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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