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2026-06-26 - 19:20
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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 highest latencies:
System rack6slot5.osadl.org (updated Fri Jun 26, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311339986344573,4058cyclictest32434-21kworker/0:207:12:000
305092775185,203sleep00-21swapper07:05:300
311339954734,452cyclictest10692-21gltestperf10:15:270
311339951383,370cyclictest11-21ksoftirqd/012:06:290
311339949551,213cyclictest0-21swapper07:37:160
311339949236,441cyclictest4924-21runrttasks10:57:070
311339949232,447cyclictest18303-21ssh10:30:480
311339949137,440cyclictest18123-21sshd09:21:560
311339946227,374cyclictest25466-21ssh09:37:530
311339945987,188cyclictest31125-21cyclictest12:20:190
311339945722,258cyclictest12674-21ssh12:35:430
311339945662,380cyclictest0-21swapper08:53:220
311339945635,188cyclictest2229-21kworker/u2:112:25:200
311339945525,417cyclictest13889-21ssh09:14:030
311339945467,373cyclictest21200-21sed11:45:360
311339945466,374cyclictest24591-21ssh11:52:040
311339945422,363cyclictest4944-19udevd09:16:150
311339945385,194cyclictest11540-21ssh12:33:350
311339945327,356cyclictest2856-21sh07:20:020
311339944877,187cyclictest14758-21ssh10:24:010
311339944767,366cyclictest0-21swapper08:04:270
311339944667,365cyclictest31885-21awk08:35:340
311339944565,366cyclictest0-21swapper08:49:080
311339944467,364cyclictest0-21swapper11:39:540
311339944411,373cyclictest9414-21ssh11:20:420
311339944364,366cyclictest0-21swapper11:04:320
311339944356,212cyclictest0-21swapper11:33:150
311339944266,362cyclictest8674-21rm11:19:530
311339943866,359cyclictest0-21swapper10:53:420
31133994349,356cyclictest4285-21lldpd07:30:100
311339943467,185cyclictest10092-21ssh10:14:170
311339943465,88cyclictest0-21swapper11:14:030
311339943462,359cyclictest0-21swapper11:42:400
311339943356,96cyclictest0-21swapper10:47:010
311339943059,358cyclictest1759-21ssh12:12:420
311339942868,301cyclictest24041-21ssh10:43:130
311339942857,359cyclictest0-21swapper11:06:520
311339942765,178cyclictest0-21swapper07:54:040
311339942759,355cyclictest351950irq/10-yenta09:28:080
311339942667,300cyclictest7847-21ssh10:09:480
311339942564,185cyclictest12420-21fschecks_time11:26:200
311339942250,359cyclictest0-21swapper12:02:510
311339942163,88cyclictest27473-21munin-node08:25:430
311339941958,303cyclictest0-21swapper10:38:000
311339941552,303cyclictest0-21swapper10:01:410
311339940854,294cyclictest2252-21ssh09:56:460
311339940836,358cyclictest897-21jbd2/sda1-809:01:030
311339940822,201cyclictest6174-21timerwakeupswit07:26:010
311339940627,366cyclictest27522-21ssh11:59:300
311339939936,350cyclictest10579-21munin-node07:40:450
311339939729,368cyclictest0-21swapper08:14:340
311339939636,301cyclictest0-21swapper07:49:570
311339939535,347cyclictest351950irq/10-yenta10:27:590
311339939422,188cyclictest4924-21runrttasks07:58:320
311339939332,348cyclictest42782sleep007:21:000
311339939332,348cyclictest30072sleep012:15:380
311339939230,349cyclictest28082-21ssh09:43:520
311339939037,340cyclictest4924-21runrttasks08:24:480
311339938933,356cyclictest11738-21diskmemload09:31:550
311339938931,358cyclictest28094-21kworker/u2:109:52:190
311339938435,335cyclictest4924-21runrttasks09:45:510
311339938322,361cyclictest0-21swapper08:44:070
311339937934,330cyclictest897-21jbd2/sda1-808:15:190
311339937836,281cyclictest4224-21lldpd08:05:410
311339937824,354cyclictest0-21swapper09:05:290
311339937823,355cyclictest0-21swapper08:30:570
311339935635,153cyclictest4924-21runrttasks08:57:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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