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2026-05-05 - 05:56
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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
Characteristics of the 50 highest latencies:
System rack6slot6 (updated Tue May 05, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299689910715253445,53612cyclictest7726-21ssh00:06:000
299689910711953479,53543cyclictest9-21ksoftirqd/022:31:530
299689910703953413,53534cyclictest0-21swapper23:34:410
299689910696153422,53447cyclictest0-21swapper23:59:480
299689910674853474,53274cyclictest0-21swapper00:21:350
299689910671653402,53251cyclictest29583-21kworker/0:100:04:500
299689910669253464,53228cyclictest0-21swapper23:43:030
299689910668153421,53169cyclictest0-21swapper20:41:310
299689910655753481,53076cyclictest0-21swapper19:39:430
299689910650753486,53021cyclictest0-21swapper21:56:430
299689910648853404,53084cyclictest0-21swapper22:08:260
299689910647753416,53061cyclictest0-21swapper21:40:080
299689910647153408,53063cyclictest0-21swapper23:08:030
299689910646853456,53012cyclictest0-21swapper19:27:300
299689910645653450,53006cyclictest0-21swapper21:01:370
299689910644553399,53046cyclictest0-21swapper22:16:590
299689910643753394,53043cyclictest0-21swapper23:18:360
299689910642953437,52992cyclictest0-21swapper19:15:260
299689910632253427,52804cyclictest0-21swapper20:37:200
299689910622853423,52693cyclictest0-21swapper20:54:450
299689910622253474,52748cyclictest0-21swapper19:50:570
299689910596853380,52567cyclictest26512-21ssh23:46:340
299689910506552963,52100cyclictest0-21swapper00:19:140
29968995363427,53514cyclictest32750-21kworker/0:022:22:200
29968995353426,383cyclictest0-21swapper21:39:280
29968995338124,0cyclictest0-21swapper19:45:450
2996899531088,53098cyclictest0-21swapper22:52:390
29968995307825,53053cyclictest0-21swapper19:33:320
29968995297752952,19cyclictest32068-21ssh21:34:360
29589281957765,240sleep00-21swapper19:08:140
299689924731089,1258cyclictest12092-21ssh22:39:350
299689923861049,1213cyclictest25475-21ssh22:10:470
299689923761088,1222cyclictest3950irq/9-acpi23:35:310
299689922891097,1067cyclictest29871-21ssh23:51:260
299689921771103,1007cyclictest3950irq/9-acpi00:39:200
299689920891097,894cyclictest12390-21ssh00:13:420
299689920601081,854cyclictest25593-21ssh22:59:110
299689920601019,1007cyclictest0-21swapper21:18:320
299689920151033,862cyclictest0-21swapper20:04:300
29968992013984,1009cyclictest0-21swapper23:23:080
29968991993993,980cyclictest29964-21cyclictest21:10:090
299689919861032,860cyclictest0-21swapper20:17:540
299689919851029,866cyclictest0-21swapper21:24:540
299689919821029,859cyclictest0-21swapper20:05:510
299689919801092,822cyclictest3950irq/9-acpi21:51:110
299689919681085,817cyclictest5350irq/9-uhci_hcd:22:49:480
29968991927953,937cyclictest20391-21ssh00:25:160
299689918711024,749cyclictest2679-21devkit-power-da20:32:390
29968991855939,898cyclictest4248-21taskset22:27:320
299689918521100,685cyclictest3950irq/9-acpi21:05:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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