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2026-06-04 - 07:51
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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 Thu Jun 04, 2026 00:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140449996855155,4519cyclictest29403-21kworker/0:021:03:150
140449992914776,4510cyclictest29403-21kworker/0:020:23:000
140449991194687,4421cyclictest29403-21kworker/0:020:39:270
140449990794766,4302cyclictest22923-21kworker/0:119:44:360
140449989574484,4458cyclictest30088-21kworker/0:121:55:420
140449986134529,4069cyclictest904-21kworker/0:000:36:470
140449979954301,3680cyclictest29403-21kworker/0:020:53:430
140449979184167,3737cyclictest22923-21kworker/0:120:00:120
140449978404133,3684cyclictest29403-21kworker/0:020:13:260
140449977533859,3842cyclictest29403-21kworker/0:021:08:480
140449976343801,3782cyclictest15114-21kworker/0:121:18:000
140449975723787,3734cyclictest22923-21kworker/0:119:28:390
140449975194070,3426cyclictest29403-21kworker/0:021:10:500
140449971733777,3344cyclictest20595-21kworker/0:121:39:360
140449970123569,3428cyclictest26107-21kworker/0:000:13:020
140449966633654,2998cyclictest29403-21kworker/0:020:31:090
140449965883582,2955cyclictest30088-21kworker/0:121:53:480
140449965863479,3055cyclictest904-21kworker/0:000:34:510
140449965413441,3049cyclictest22923-21kworker/0:119:14:100
140449965303554,2926cyclictest29403-21kworker/0:020:46:030
140449965293384,3122cyclictest20595-21kworker/0:121:29:510
140449964893346,3128cyclictest26107-21kworker/0:000:16:080
140449963273463,2849cyclictest29403-21kworker/0:020:09:020
140449961963497,2685cyclictest22923-21kworker/0:119:56:400
140449960663147,2904cyclictest15114-21kworker/0:121:20:030
140449960543409,2602cyclictest29403-21kworker/0:020:29:350
140449960393251,2784cyclictest22923-21kworker/0:119:21:070
140449959913106,2861cyclictest22923-21kworker/0:119:32:240
140449959723099,2850cyclictest27368-21kworker/0:221:41:450
140449959243348,2525cyclictest22923-21kworker/0:119:19:310
140449957563190,2555cyclictest29403-21kworker/0:020:55:190
137722837183,203sleep00-21swapper19:08:230
14044996132,425cyclictest12791-21diskmemload23:38:130
140449951223,419cyclictest7095-21sh22:08:390
140449950620,415cyclictest23607-21rm00:06:230
140449949821,407cyclictest16058-21munin-node21:46:220
140449949036,439cyclictest12791-21diskmemload22:44:570
140449947892,372cyclictest11-21ksoftirqd/022:16:480
140449947823,385cyclictest12791-21diskmemload22:01:310
140449947437,437cyclictest0-21swapper20:43:570
140449947225,385cyclictest30299-21ssh23:03:250
140449947138,373cyclictest9209-21strings23:31:060
140449946533,372cyclictest57502chrt23:22:390
140449946268,90cyclictest11-21ksoftirqd/000:05:010
140449945772,370cyclictest31886-21perl23:06:350
140449945524,416cyclictest28097-21sshd22:57:480
14044994504,431cyclictest32348-21cron20:20:000
140449944724,399cyclictest19355-21ls22:36:460
140449944621,355cyclictest15991-21ssh22:30:180
140449944574,87cyclictest24834-21munin-node19:50:310
140449944370,359cyclictest26120-21ssh22:53:290
140449944260,88cyclictest11-21ksoftirqd/019:35:410
140449944021,404cyclictest2343-21munin-node23:15:330
140449943822,401cyclictest32114-21runrttasks00:26:060
140449943764,189cyclictest13-21rcuc/023:56:410
140449943721,401cyclictest8258-21idleruntime-cro23:30:010
140449943523,388cyclictest18180-21sh23:54:300
140449943423,387cyclictest423-21ntp_states23:10:190
140449943123,393cyclictest5120-21kworker/u2:122:14:550
140449942969,301cyclictest23413-21ssh21:33:110
140449942554,358cyclictest11700-21ssh22:20:110
140449942273,176cyclictest345450irq/10-yenta22:49:440
140449941150,301cyclictest15924-21ssh23:48:300
140449941055,341cyclictest14492-21ssh23:44:510
140449941053,342cyclictest29185-21munin-node00:20:180
140449940052,333cyclictest7391-21runrttasks00:44:410
140449939125,366cyclictest0-21swapper19:49:560
140449937836,342cyclictest0-21swapper22:29:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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