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2026-04-22 - 01:44
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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 Tue Apr 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129769910737753397,53980cyclictest0-21swapper09:48:000
129769910719253451,53620cyclictest30296-21diskmemload10:01:440
129769910702653408,53551cyclictest0-21swapper09:39:480
129769910675053411,53273cyclictest0-21swapper08:17:340
129769910672953425,53239cyclictest0-21swapper12:04:200
129769910667853412,53177cyclictest21115-1kworker/u3:211:46:140
129769910661953453,53072cyclictest0-21swapper08:39:510
129769910656253453,53109cyclictest0-21swapper07:44:350
129769910653353379,53089cyclictest0-21swapper11:52:260
129769910652353469,53054cyclictest0-21swapper11:40:530
129769910648553454,53031cyclictest0-21swapper09:01:370
129769910648453464,53020cyclictest0-21swapper08:49:130
129769910647453453,53021cyclictest0-21swapper11:09:440
129769910647453444,53030cyclictest0-21swapper10:56:000
129769910646653450,53016cyclictest0-21swapper09:23:530
129769910646453411,53053cyclictest0-21swapper11:31:200
129769910644553401,53044cyclictest0-21swapper10:26:510
129769910644253398,53044cyclictest0-21swapper09:51:110
129769910643953437,53002cyclictest0-21swapper07:48:360
129769910643553394,53041cyclictest0-21swapper11:18:560
129769910642853436,52992cyclictest0-21swapper12:33:480
129769910642553435,52990cyclictest0-21swapper09:57:130
129769910631653465,52787cyclictest3950irq/9-acpi09:14:410
129769910625953388,52806cyclictest0-21swapper07:30:310
129769910624953445,52804cyclictest0-21swapper07:19:070
129769910618053410,52707cyclictest134850irq/9-eth011:36:320
129769910616153437,52724cyclictest0-21swapper07:27:200
129769910615153399,52752cyclictest0-21swapper08:22:160
129769910614053447,52693cyclictest0-21swapper07:56:380
129769910613453431,52703cyclictest0-21swapper08:57:560
129769910611953426,52693cyclictest0-21swapper08:29:480
129769910598752904,53081cyclictest0-21swapper09:26:440
129769910585352974,52877cyclictest26352-21ssh10:39:550
129769910569353182,52507cyclictest17604-21ssh11:14:550
12976995424653371,788cyclictest0-21swapper09:44:390
12976995365053373,214cyclictest0-21swapper08:07:510
12976995358426,53491cyclictest0-21swapper08:03:200
12976995357626,53455cyclictest0-21swapper10:14:380
12976995356826,438cyclictest0-21swapper11:03:320
12976995352924,0cyclictest0-21swapper07:24:190
12976995324627,53124cyclictest0-21swapper07:35:420
12976995306524,53041cyclictest0-21swapper12:17:030
129769923311072,1166cyclictest134850irq/9-eth010:48:480
129769923131007,1207cyclictest15151-21rm11:56:370
129769922501079,1071cyclictest30296-21diskmemload09:33:160
129769921631002,1095cyclictest3950irq/9-acpi10:52:090
129769921021041,1026cyclictest0-21swapper12:22:350
129769920761094,859cyclictest15257-21ssh10:22:400
129769920681028,1019cyclictest0-21swapper11:24:580
129769920631031,939cyclictest0-21swapper10:33:230
129769920501019,993cyclictest2099-21runrttasks10:09:570
12976992041993,1013cyclictest0-21swapper09:08:290
129769920351008,990cyclictest3884-21ssh09:18:020
129769919991026,880cyclictest0-21swapper08:42:410
129769919941026,875cyclictest0-21swapper12:38:390
129769919731029,910cyclictest0-21swapper11:29:190
129769919721026,878cyclictest0-21swapper10:41:260
12976991901903,983cyclictest0-21swapper12:13:120
129769916581095,563cyclictest0-21swapper08:33:390
129769916501091,559cyclictest0-21swapper07:10:550
129769916441097,456cyclictest23573-21kworker/0:008:54:150
129769916441094,485cyclictest3950irq/9-acpi12:08:410
12976991595992,566cyclictest11048-21ssh10:15:480
12976991571992,486cyclictest0-21swapper12:25:050
129769914921007,421cyclictest0-21swapper07:52:270
129769914441087,357cyclictest0-21swapper08:11:120
12322255889,209sleep00-21swapper07:07:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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