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2026-05-14 - 07:35
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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 highest latencies:
System rack6slot6 (updated Thu May 14, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295629910711553384,53635cyclictest29920-21diskmemload23:41:260
295629910707353400,53551cyclictest29920-21diskmemload21:59:370
295629910690953451,53370cyclictest3950irq/9-acpi22:13:210
295629910688353472,53370cyclictest0-21swapper00:23:380
295629910668353425,53167cyclictest0-21swapper19:41:470
295629910667053483,53096cyclictest0-21swapper23:58:310
295629910662553456,53080cyclictest9-21ksoftirqd/020:22:490
295629910661353282,53308cyclictest13905-21ssh23:52:190
295629910660853413,53195cyclictest0-21swapper20:14:060
295629910653553476,53059cyclictest0-21swapper22:48:110
295629910651153476,53035cyclictest0-21swapper19:36:560
295629910650153471,53030cyclictest0-21swapper22:55:330
295629910644053397,53043cyclictest0-21swapper21:03:210
295629910643553395,53040cyclictest0-21swapper23:05:460
295629910643353392,53041cyclictest0-21swapper23:37:050
295629910637653477,52835cyclictest9-21ksoftirqd/022:05:390
295629910637553477,52834cyclictest9-21ksoftirqd/021:33:490
295629910637353411,52871cyclictest0-21swapper19:30:340
295629910637353410,52871cyclictest0-21swapper20:19:180
295629910623353478,52755cyclictest0-21swapper20:52:070
295629910615853402,52756cyclictest0-21swapper00:04:130
295629910615453417,52719cyclictest29555-21cyclictest22:24:440
295629910614653440,52706cyclictest0-21swapper20:46:460
295629910612853431,52697cyclictest0-21swapper21:12:430
295629910612553425,52700cyclictest0-21swapper22:42:090
295629910603252938,53092cyclictest0-21swapper23:49:390
295629910534453076,52265cyclictest0-21swapper21:35:400
29562995388422,183cyclictest0-21swapper00:05:130
29562995353953471,60cyclictest10609-21kworker/0:321:52:050
29562995351029,0cyclictest11996-21kworker/0:222:19:020
29562995350525,53480cyclictest0-21swapper23:17:090
29562995324027,53121cyclictest0-21swapper21:43:420
29562995321525,0cyclictest0-21swapper22:30:060
29562995321125,0cyclictest0-21swapper20:39:540
29562995314829,0cyclictest20147-21ssh22:28:350
29562995309126,53065cyclictest0-21swapper21:16:440
29562995305727,53030cyclictest0-21swapper19:21:410
29562995299825,121cyclictest3950irq/9-acpi21:20:360
295629948432794,2046cyclictest2679-21devkit-power-da20:07:350
295629923111045,1199cyclictest314502sleep023:30:330
295629923021095,1082cyclictest12657-21ssh23:04:460
295629922431080,1042cyclictest9-21ksoftirqd/000:36:120
295629921891042,1022cyclictest4123-21ssh22:51:220
295629921181040,1040cyclictest521-21runrttasks19:58:520
295629920791037,1021cyclictest0-21swapper00:32:310
295629920091097,819cyclictest134850irq/9-eth019:45:180
295629919741039,842cyclictest0-21swapper00:26:390
295629919721049,799cyclictest29920-21diskmemload00:14:060
295629919661041,804cyclictest0-21swapper20:01:530
29562991963961,965cyclictest25764-21ssh23:23:110
295629919631026,815cyclictest29920-21diskmemload00:18:470
295629919391078,770cyclictest3950irq/9-acpi22:35:370
295629918101049,635cyclictest23751-21ssh21:46:330
295629917171062,564cyclictest284362sleep023:26:320
295629916871098,589cyclictest0-21swapper23:10:570
295629916871098,589cyclictest0-21swapper19:28:030
295629916741095,579cyclictest0-21swapper22:00:470
295629916611025,545cyclictest29555-21cyclictest20:34:120
295629916191088,440cyclictest9-21ksoftirqd/021:29:480
295629916191064,555cyclictest0-21swapper20:40:540
295629915811083,435cyclictest9-21ksoftirqd/021:08:220
295629915811030,551cyclictest0-21swapper20:59:290
295629914711089,382cyclictest0-21swapper19:54:010
295629914541095,359cyclictest0-21swapper20:27:100
29562991142602,537cyclictest20403-21hwlatdetect-tra19:13:590
29562991116591,522cyclictest31071-21hwlatdetect-tra19:19:210
1505722290,2sleep015060-21switchtime19:05:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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