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2026-06-13 - 15:12
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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 Jun 13, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1046422520,2sleep20-21swapper/207:05:242
107402213148,22sleep00-21swapper/007:06:360
107062201161,26sleep30-21swapper/307:06:113
106942199160,26sleep10-21swapper/107:06:001
202582630,0sleep10-21swapper/111:41:271
162282140,0sleep00-21swapper/010:09:340
11104991211,1cyclictest35-21ksoftirqd/310:00:003
1109799120,0cyclictest0-21swapper/209:24:182
1107699124,4cyclictest31891-21perf11:15:000
11104991110,1cyclictest35-21ksoftirqd/310:45:013
1109799119,1cyclictest28-21ksoftirqd/208:30:002
11097991110,1cyclictest28-21ksoftirqd/211:10:342
1110499109,1cyclictest35-21ksoftirqd/311:40:003
1110499109,1cyclictest35-21ksoftirqd/308:35:003
11104991010,0cyclictest35-21ksoftirqd/310:30:013
11097991010,0cyclictest28-21ksoftirqd/209:57:032
1107699109,0cyclictest3944-21diskmemload11:25:270
1107699108,1cyclictest9-21ksoftirqd/008:05:010
1107699103,6cyclictest13638-21kworker/0:010:49:270
111049998,1cyclictest35-21ksoftirqd/310:20:003
111049997,1cyclictest35-21ksoftirqd/311:04:593
111049990,4cyclictest0-21swapper/309:10:113
110979990,8cyclictest0-21swapper/210:26:092
110769997,1cyclictest9467-21nscd10:30:110
111049988,0cyclictest35-21ksoftirqd/312:25:013
111049988,0cyclictest35-21ksoftirqd/312:25:013
111049987,1cyclictest35-21ksoftirqd/312:35:003
111049986,1cyclictest5092-21cat12:05:163
111049986,1cyclictest35-21ksoftirqd/312:05:013
111049986,1cyclictest35-21ksoftirqd/311:35:003
111049986,1cyclictest35-21ksoftirqd/310:50:013
111049986,1cyclictest35-21ksoftirqd/307:25:003
111049986,1cyclictest27253-21sh11:07:133
111049986,1cyclictest1029-21snmpd11:14:453
111049986,1cyclictest1029-21snmpd09:05:053
111049986,1cyclictest1029-21snmpd07:47:543
111049982,4cyclictest27349-1kworker/u9:111:56:333
111049980,5cyclictest8067-21apt-get08:10:103
110979988,0cyclictest28-21ksoftirqd/211:58:372
110979986,1cyclictest61650irq/122-eno111:31:582
110979986,1cyclictest61650irq/122-eno111:25:112
110979986,1cyclictest61650irq/122-eno111:00:002
110979986,1cyclictest61650irq/122-eno110:49:252
110979986,1cyclictest61650irq/122-eno110:05:172
110769986,1cyclictest12710-21ntp_states12:15:170
110769986,1cyclictest1029-21snmpd11:50:070
110769985,1cyclictest9-21ksoftirqd/009:00:010
110769985,1cyclictest9-21ksoftirqd/009:00:010
110769980,7cyclictest13804-21ssh09:20:460
10230280,0sleep00-21swapper/009:16:370
111049977,0cyclictest35-21ksoftirqd/311:45:003
111049977,0cyclictest11074-21cyclictest11:27:463
111049976,1cyclictest35-21ksoftirqd/311:54:593
111049975,1cyclictest35-21ksoftirqd/309:00:003
111049975,1cyclictest35-21ksoftirqd/309:00:003
111049975,1cyclictest30410-21ssh09:44:493
111049975,1cyclictest22666-21cat11:45:163
111049975,1cyclictest20732-21ntpq09:30:183
111049975,1cyclictest11336-21ssh10:00:563
111049975,1cyclictest1029-21snmpd10:52:323
111049975,1cyclictest1029-21snmpd08:49:183
111049975,1cyclictest1029-21snmpd08:20:503
111049975,1cyclictest0-21swapper/309:45:133
111049975,1cyclictest0-21swapper/309:20:343
111049972,3cyclictest561-21nscd12:15:013
111049972,1cyclictest0-21swapper/308:05:013
111049971,4cyclictest240-21systemd-journal07:15:003
111049971,4cyclictest0-21swapper/310:20:123
111049970,3cyclictest25948-21kworker/3:207:40:143
111049970,2cyclictest0-21swapper/309:50:113
110979976,1cyclictest61650irq/122-eno111:50:462
110979976,1cyclictest61650irq/122-eno111:46:072
110979976,1cyclictest61650irq/122-eno111:40:012
110979976,1cyclictest61650irq/122-eno111:20:112
110979976,1cyclictest61650irq/122-eno110:22:122
110979976,1cyclictest61650irq/122-eno110:03:012
110979976,1cyclictest61650irq/122-eno109:50:142
110979976,1cyclictest61650irq/122-eno109:35:142
110979976,1cyclictest61650irq/122-eno109:32:172
110979976,1cyclictest61650irq/122-eno109:15:132
110979976,1cyclictest61650irq/122-eno109:15:002
110979976,1cyclictest61650irq/122-eno107:30:122
110979976,0cyclictest61650irq/122-eno111:00:122
110979975,1cyclictest61650irq/122-eno112:10:172
110979975,1cyclictest61650irq/122-eno112:00:142
110979975,1cyclictest61650irq/122-eno109:25:152
110979975,1cyclictest3126-21perf08:00:012
110979975,1cyclictest28-21ksoftirqd/208:24:592
110979975,1cyclictest19352-21sh10:13:012
110979975,1cyclictest1747-21ntpd11:05:592
110979975,1cyclictest1747-21ntpd08:45:592
110979975,1cyclictest17100-21ssh12:20:402
110979975,1cyclictest17100-21ssh12:20:392
110979975,1cyclictest1029-21snmpd10:30:412
110979975,1cyclictest1029-21snmpd08:00:372
110979971,5cyclictest4179-21apt-get12:05:112
110979971,3cyclictest0-21swapper/207:20:122
110979970,6cyclictest0-21swapper/210:40:212
110979970,5cyclictest0-21swapper/208:05:132
110899971,6cyclictest0-21swapper/109:13:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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