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2026-07-05 - 23:04
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Sun Jul 05, 2026 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66799995625024,4534cyclictest22293-21kworker/0:107:19:300
66799991484634,4510cyclictest22293-21kworker/0:107:36:230
66799985764344,4222cyclictest22293-21kworker/0:107:29:480
66799982304176,4031cyclictest22293-21kworker/0:107:14:130
66799976324120,3462cyclictest27714-21kworker/0:008:07:400
66799974283849,3565cyclictest15915-21kworker/0:009:02:040
66799973473876,3421cyclictest22293-21kworker/0:107:22:430
66799968473530,3266cyclictest27714-21kworker/0:008:34:100
66799966363528,3058cyclictest22293-21kworker/0:107:42:490
66799963633208,3113cyclictest27714-21kworker/0:008:19:040
66799963593314,3030cyclictest27714-21kworker/0:008:37:550
66799962233317,2855cyclictest22293-21kworker/0:107:56:540
66799959493086,2812cyclictest22293-21kworker/0:107:34:470
66799939682319,1620cyclictest22293-21kworker/0:107:47:020
66799935193428,42cyclictest15915-21kworker/0:008:58:370
66799925962539,44cyclictest27714-21kworker/0:008:21:210
61442749183,177sleep00-21swapper07:06:420
6679995327,463cyclictest19844-21diskmemload09:57:470
66799950781,192cyclictest1963-21ssh12:04:430
66799950633,91cyclictest9038-21diskmemload11:07:310
66799949860,253cyclictest14239-21rm10:07:500
66799948935,440cyclictest16867-21ssh12:36:120
66799948428,441cyclictest32170-21ssh09:36:000
66799947237,435cyclictest0-21swapper11:04:350
66799946832,436cyclictest0-21swapper12:27:070
66799945928,370cyclictest23686-21ssh10:29:440
66799945882,191cyclictest19880-21ssh09:10:040
66799945584,187cyclictest30312-21rm10:43:530
66799945067,201cyclictest11-21ksoftirqd/011:33:180
66799944813,375cyclictest27524-21ssh11:49:180
6679994445,424cyclictest19844-21diskmemload12:11:190
66799944166,191cyclictest18715-21ssh10:17:420
66799944059,367cyclictest29499-21ssh11:52:590
66799944055,200cyclictest12536-21munin-node08:50:140
66799944054,371cyclictest10317-21munin-node10:00:300
66799943756,88cyclictest0-21swapper08:43:010
66799943686,291cyclictest0-21swapper08:03:200
66799943561,360cyclictest24615-21ssh09:20:190
66799943167,303cyclictest29145-21ssh09:30:220
66799943068,349cyclictest351950irq/10-yenta10:32:250
66799943053,212cyclictest0-21swapper10:45:090
66799942768,174cyclictest23753-21apt-get09:17:190
66799942466,184cyclictest2323-21kworker/u2:010:59:180
66799942463,178cyclictest0-21swapper11:13:020
66799942462,348cyclictest25358-21kworker/u2:012:17:570
66799942457,354cyclictest351950irq/10-yenta12:22:050
66799942361,303cyclictest0-21swapper10:23:010
66799942351,205cyclictest0-21swapper12:32:410
66799942260,179cyclictest4305-21snmpd07:51:180
66799942161,348cyclictest698-21kworker/u2:309:53:450
66799941451,303cyclictest0-21swapper11:22:370
66799941354,300cyclictest13620-21ssh11:17:560
66799941165,296cyclictest2265-21ssh12:05:200
66799940432,372cyclictest0-21swapper11:27:090
66799940232,356cyclictest11-21ksoftirqd/011:43:400
66799940128,359cyclictest16824-21ssh10:14:210
66799940033,367cyclictest4340-21needreboot09:45:540
66799939332,350cyclictest4924-21runrttasks09:29:330
66799939323,370cyclictest0-21swapper08:13:470
66799939223,355cyclictest11-21ksoftirqd/011:35:070
66799939128,303cyclictest31647-21ssh11:57:280
66799939030,347cyclictest19844-21diskmemload09:13:030
66799938633,340cyclictest4924-21runrttasks08:28:270
66799938532,340cyclictest19844-21diskmemload10:36:140
66799937632,344cyclictest2377-21ssh09:41:270
66799936692,260cyclictest4285-21lldpd10:53:370
66799936436,152cyclictest4924-21runrttasks08:48:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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