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2026-04-16 - 22:31
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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 100 highest latencies:
System rack6slot6 (updated Thu Apr 16, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235579910688553431,53390cyclictest3950irq/9-acpi09:50:270
235579910664453462,53118cyclictest9-21ksoftirqd/009:17:580
235579910659453460,53044cyclictest9-21ksoftirqd/008:18:000
235579910656253394,53103cyclictest0-21swapper12:06:260
235579910655553481,53074cyclictest0-21swapper10:44:430
235579910653853475,53063cyclictest0-21swapper09:23:490
235579910651853429,53089cyclictest0-21swapper07:33:070
235579910650653475,53031cyclictest0-21swapper12:02:450
235579910650553477,53028cyclictest0-21swapper09:10:150
235579910648953405,53084cyclictest0-21swapper07:56:140
235579910647353456,53017cyclictest0-21swapper09:33:020
235579910645653454,53002cyclictest0-21swapper12:24:410
235579910644253398,53044cyclictest0-21swapper11:01:070
235579910643753396,53041cyclictest0-21swapper11:24:340
235579910643553438,52997cyclictest0-21swapper10:49:540
235579910642753391,53036cyclictest0-21swapper10:32:490
235579910642453389,53035cyclictest0-21swapper09:59:300
235579910641253383,53029cyclictest0-21swapper10:36:100
235579910634153447,52894cyclictest0-21swapper10:03:510
235579910628353390,52802cyclictest0-21swapper07:24:150
235579910625853385,52810cyclictest0-21swapper07:52:430
235579910621953429,52790cyclictest0-21swapper09:38:230
235579910621353409,52763cyclictest0-21swapper09:06:140
235579910617953414,52765cyclictest0-21swapper08:42:470
235579910615453423,52731cyclictest0-21swapper12:12:180
235579910614953432,52717cyclictest0-21swapper10:23:360
235579910614453437,52707cyclictest0-21swapper07:28:460
235579910564752954,52691cyclictest15142-21ssh10:53:050
235579910515253050,52100cyclictest0-21swapper09:00:020
235579910508552940,52144cyclictest3950irq/9-acpi11:12:510
23557995339326,53367cyclictest0-21swapper11:27:150
23557995338825,53363cyclictest0-21swapper11:52:020
23557995324127,0cyclictest0-21swapper08:38:360
23557995306424,53040cyclictest0-21swapper08:46:280
23557995306325,53038cyclictest0-21swapper07:11:510
23557995301127,52984cyclictest0-21swapper12:39:560
235579948632662,2198cyclictest2679-21devkit-power-da08:32:550
235579929191102,1729cyclictest11034-21ssh11:34:470
235579920981038,1026cyclictest0-21swapper08:03:560
235579919991037,929cyclictest134850irq/9-eth012:25:320
235579919841030,860cyclictest0-21swapper07:37:590
23557991930927,980cyclictest0-21swapper10:14:340
23557991900900,977cyclictest0-21swapper10:55:460
235579918711051,727cyclictest0-21swapper10:15:440
235579918701075,671cyclictest1907-21snmpd07:40:500
235579918691075,666cyclictest18957-21ssh12:32:540
235579918581004,757cyclictest2099-21runrttasks10:07:520
235579918561073,659cyclictest26415-21ssh11:56:030
235579918111076,637cyclictest9-21ksoftirqd/009:26:300
235579918081059,653cyclictest2989-21ssh09:48:160
235579918051072,634cyclictest2099-21runrttasks08:21:010
235579916911026,665cyclictest0-21swapper08:07:570
235579916891022,632cyclictest30693-21ssh09:40:440
235579916821092,590cyclictest0-21swapper08:59:320
235579916691083,586cyclictest0-21swapper11:18:420
23557991634998,600cyclictest7623-21ssh12:15:390
235579916181061,557cyclictest0-21swapper08:26:030
235579916151093,457cyclictest9-21ksoftirqd/007:15:220
235579916141093,455cyclictest0-21swapper07:46:510
235579915881084,385cyclictest3950irq/9-acpi11:38:280
235579915801065,423cyclictest9-21ksoftirqd/011:46:500
235579915671033,534cyclictest0-21swapper08:53:300
235579915651037,437cyclictest3950irq/9-acpi10:27:070
23557991529720,800cyclictest0-21swapper11:08:190
235579915081078,430cyclictest0-21swapper08:14:490
23557991494982,492cyclictest175812sleep011:44:100
22650267754,207sleep00-21swapper07:05:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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