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2026-06-28 - 13:25
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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 Jun 28, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277472212160,26sleep30-21swapper/307:09:083
275952205156,23sleep00-21swapper/007:07:080
276022199159,26sleep20-21swapper/207:07:142
275462198160,24sleep10-21swapper/107:06:301
308782600,0sleep10-21swapper/110:50:141
2790499150,12cyclictest0-21swapper/008:50:090
2792399130,13cyclictest0-21swapper/211:50:112
27932991210,1cyclictest35-21ksoftirqd/310:55:003
2792399100,10cyclictest0-21swapper/211:21:582
2792399100,10cyclictest0-21swapper/210:12:492
124782100,0sleep10-21swapper/111:10:011
279329998,1cyclictest35-21ksoftirqd/312:00:133
279329993,5cyclictest11757-21kworker/u8:011:13:103
279239993,4cyclictest27887-21cyclictest12:11:332
279239990,7cyclictest26056-21sh11:27:232
279159990,3cyclictest0-21swapper/108:50:091
279159990,0cyclictest0-21swapper/108:00:101
279049998,1cyclictest9-21ksoftirqd/009:45:000
30721280,3sleep20-21swapper/209:20:522
279329987,1cyclictest35-21ksoftirqd/311:05:003
279329987,1cyclictest35-21ksoftirqd/309:10:003
279329980,4cyclictest0-21swapper/311:31:353
279239988,0cyclictest0-21swapper/211:36:252
279239986,1cyclictest61650irq/122-eno110:15:172
279239986,1cyclictest61650irq/122-eno109:35:202
279239984,2cyclictest240-21systemd-journal07:45:002
279239982,3cyclictest240-21systemd-journal10:09:552
279239980,3cyclictest0-21swapper/210:50:102
279159980,1cyclictest0-21swapper/108:26:241
279049986,1cyclictest9724-21ssh09:35:360
279049986,1cyclictest9-21ksoftirqd/007:35:000
279049981,6cyclictest30917-21ssh10:05:160
279049980,7cyclictest8685-21ssh11:47:360
279049980,7cyclictest29618-21ssh11:31:310
279049980,7cyclictest27385-21ssh09:17:080
279049980,1cyclictest7902-21ssh10:19:200
279049980,1cyclictest24533-21ssh09:56:170
279049980,1cyclictest1275-21ssh12:20:300
279049980,0cyclictest0-21swapper/012:26:480
279329976,1cyclictest35-21ksoftirqd/309:35:003
279329976,1cyclictest35-21ksoftirqd/308:15:003
279329975,1cyclictest21751-21ssh11:20:233
279329974,1cyclictest35-21ksoftirqd/307:41:163
279329972,3cyclictest21152-21diskmemload09:12:203
279329972,3cyclictest21152-21diskmemload09:12:193
279329972,2cyclictest4462-21runrttasks10:58:453
279329971,2cyclictest16540-21hddtemp_smartct10:30:163
279329970,5cyclictest0-21swapper/309:53:303
279329970,4cyclictest0-21swapper/311:59:453
279329970,1cyclictest0-21swapper/312:15:103
279329970,1cyclictest0-21swapper/311:15:103
279329970,1cyclictest0-21swapper/309:40:073
279239976,1cyclictest61650irq/122-eno112:22:202
279239976,1cyclictest61650irq/122-eno112:00:182
279239976,1cyclictest61650irq/122-eno111:43:302
279239976,1cyclictest61650irq/122-eno111:05:142
279239976,1cyclictest61650irq/122-eno110:49:052
279239976,1cyclictest61650irq/122-eno110:30:012
279239976,1cyclictest61650irq/122-eno109:43:002
279239976,1cyclictest61650irq/122-eno109:26:242
279239976,1cyclictest61650irq/122-eno109:15:122
279239976,1cyclictest14599-21ntpq11:55:162
279239976,1cyclictest11250-21cat12:35:152
279239975,1cyclictest61650irq/122-eno112:05:112
279239975,1cyclictest61650irq/122-eno108:35:212
279239974,2cyclictest561-21nscd08:49:252
279239973,2cyclictest240-21systemd-journal12:32:542
279239973,2cyclictest240-21systemd-journal12:30:002
279239972,2cyclictest0-21swapper/211:18:282
279239972,2cyclictest0-21swapper/210:37:552
279239971,3cyclictest21152-21diskmemload09:15:012
279239971,3cyclictest21152-21diskmemload09:15:002
279239970,6cyclictest0-21swapper/211:00:152
279239970,4cyclictest0-21swapper/210:41:182
279159971,4cyclictest0-21swapper/112:00:111
279159970,6cyclictest0-21swapper/110:40:191
279049976,1cyclictest13204-21ssh11:10:140
279049975,1cyclictest9641-21hddtemp_smartct11:05:140
279049975,1cyclictest25962-21sort12:10:200
279049975,1cyclictest16904-21ntp_states10:30:180
279049975,1cyclictest11583-21tune2fs07:40:140
279049975,1cyclictest0-21swapper/010:50:150
279049974,2cyclictest583-21in:imuxsock07:15:010
279049973,4cyclictest32345-21latency_hist09:25:010
279049973,3cyclictest0-21swapper/010:10:210
279049973,3cyclictest0-21swapper/008:05:170
279049973,2cyclictest240-21systemd-journal07:20:300
279049973,0cyclictest0-21swapper/007:30:130
279049971,6cyclictest2372-21ssh09:26:290
279049971,4cyclictest19361-21apt-get10:35:120
279049970,6cyclictest7842-21taskset11:02:580
279049970,6cyclictest31596-21ssh11:35:140
279049970,6cyclictest29631-21ssh10:48:540
279049970,6cyclictest29315-21cut07:10:190
279049970,6cyclictest29147-21grep12:15:160
279049970,6cyclictest26284-21ssh11:28:030
279049970,6cyclictest26101-21ssh10:00:120
279049970,6cyclictest24711-21tail10:40:200
279049970,6cyclictest21233-21sed09:10:000
279049970,6cyclictest21152-21diskmemload11:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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