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2026-04-26 - 19:10
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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 Apr 26, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55012218166,26sleep30-21swapper/307:07:153
54932216150,21sleep00-21swapper/007:07:080
53882201163,24sleep20-21swapper/207:05:462
53922197157,27sleep10-21swapper/107:05:481
264672750,1sleep10-21swapper/109:45:011
231982170,0sleep121-21ksoftirqd/108:50:221
111792170,0sleep20-21swapper/207:20:002
303442140,0sleep10-21swapper/108:00:121
5805991212,0cyclictest0-21swapper/309:48:433
5805991210,1cyclictest35-21ksoftirqd/308:00:013
579799120,0cyclictest0-21swapper/210:35:122
579799119,1cyclictest28-21ksoftirqd/209:00:012
5797991110,1cyclictest28-21ksoftirqd/211:20:002
579199110,7cyclictest0-21swapper/107:10:111
578799119,1cyclictest9-21ksoftirqd/011:04:590
579799108,1cyclictest28-21ksoftirqd/208:48:322
579799108,1cyclictest28-21ksoftirqd/208:48:322
579799108,1cyclictest28-21ksoftirqd/207:35:002
579199100,6cyclictest0-21swapper/112:20:111
578799108,1cyclictest9-21ksoftirqd/007:40:000
578799102,4cyclictest2600-21sed09:14:590
5787991010,0cyclictest9-21ksoftirqd/010:30:010
251942100,0sleep30-21swapper/311:06:423
58059998,1cyclictest35-21ksoftirqd/309:00:003
58059990,5cyclictest104502sleep310:47:393
57979999,0cyclictest28-21ksoftirqd/209:24:402
57879996,1cyclictest9-21ksoftirqd/009:00:010
58059987,1cyclictest35-21ksoftirqd/312:25:003
58059987,1cyclictest35-21ksoftirqd/312:15:013
58059981,4cyclictest21665-21apt-get08:50:133
58059980,5cyclictest0-21swapper/311:30:363
58059980,2cyclictest0-21swapper/310:50:133
57979987,1cyclictest28-21ksoftirqd/212:35:012
57979986,1cyclictest61650irq/122-eno111:35:112
57979986,1cyclictest61650irq/122-eno109:25:132
57979986,1cyclictest28-21ksoftirqd/210:40:172
57979986,1cyclictest28-21ksoftirqd/209:40:012
57979980,5cyclictest61650irq/122-eno109:16:382
57979980,5cyclictest21627-21kworker/u8:109:41:232
57919980,4cyclictest0-21swapper/110:30:191
57879987,1cyclictest561-21nscd12:09:410
57879987,1cyclictest14789-21ssh10:10:180
57879986,1cyclictest32696-21apt-get10:35:120
57879986,1cyclictest28993-21ssh12:37:560
57879986,1cyclictest22308-21ntpq10:20:160
57879983,1cyclictest26584-21/usr/sbin/munin09:00:160
57879981,6cyclictest5286-1kworker/u9:211:25:140
57879981,6cyclictest1747-21ntpd10:44:520
57879980,3cyclictest2850-21apt-get09:15:130
58059976,1cyclictest35-21ksoftirqd/312:09:593
58059976,1cyclictest35-21ksoftirqd/311:40:003
58059975,1cyclictest9537-21ssh09:22:113
58059975,1cyclictest24119-21ssh11:49:413
58059975,1cyclictest2341-21ssh10:36:073
58059975,1cyclictest14910-21ntpq07:25:193
58059973,2cyclictest240-21systemd-journal10:05:003
58059973,2cyclictest15443-21ssh10:10:283
58059970,3cyclictest19012-21latency_hist11:00:003
57979976,1cyclictest61650irq/122-eno111:47:512
57979976,1cyclictest61650irq/122-eno111:25:132
57979976,1cyclictest61650irq/122-eno111:10:172
57979976,1cyclictest61650irq/122-eno111:06:092
57979976,1cyclictest61650irq/122-eno110:55:212
57979976,1cyclictest61650irq/122-eno110:45:132
57979976,1cyclictest61650irq/122-eno110:34:012
57979976,1cyclictest61650irq/122-eno110:30:012
57979976,1cyclictest61650irq/122-eno109:45:142
57979976,1cyclictest61650irq/122-eno109:13:242
57979976,1cyclictest61650irq/122-eno108:25:152
57979976,0cyclictest61650irq/122-eno111:23:522
57979975,1cyclictest61650irq/122-eno112:25:112
57979975,1cyclictest61650irq/122-eno110:05:182
57979975,1cyclictest61650irq/122-eno109:30:132
57979975,1cyclictest61650irq/122-eno108:15:002
57979975,1cyclictest2967-21cat09:55:162
57979975,1cyclictest28-21ksoftirqd/211:45:002
57979975,1cyclictest28-21ksoftirqd/208:10:002
57979975,1cyclictest28-21ksoftirqd/207:45:002
57979975,1cyclictest1049-21ntpq12:00:192
57979974,2cyclictest0-21swapper/211:32:052
57979973,2cyclictest240-21systemd-journal10:15:182
57979973,2cyclictest240-21systemd-journal10:15:002
57979971,4cyclictest12225-21apt-get08:30:122
57979970,3cyclictest0-21swapper/210:22:312
57979970,2cyclictest31077-21diskmemload12:10:142
57919972,2cyclictest0-21swapper/110:13:031
57919970,6cyclictest0-21swapper/112:25:161
57919970,4cyclictest0-21swapper/111:21:141
57919970,3cyclictest0-21swapper/108:05:121
57879976,1cyclictest22009-21ntpq07:40:190
57879975,1cyclictest9-21ksoftirqd/008:45:120
57879975,1cyclictest9-21ksoftirqd/008:45:120
57879975,1cyclictest13300-21ssh10:10:000
57879974,2cyclictest31798-21munin-plugin-st12:00:000
57879973,2cyclictest31077-21diskmemload11:50:060
57879971,6cyclictest16809-21ssh10:55:190
57879971,5cyclictest9857-21ssh11:30:140
57879971,3cyclictest0-21swapper/007:45:100
57879970,7cyclictest0-21swapper/008:33:020
57879970,6cyclictest9930-21ssh12:12:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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