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2026-05-12 - 07:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 50 highest latencies:
System rack8slot1.osadl.org (updated Tue May 12, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2017999390424,0cyclictest0-21swapper00:12:070
2017999319327,0cyclictest24292-21mailstats23:51:370
20179992847282,0cyclictest7350-1kworker/0:1H23:01:300
20179992548680,0cyclictest22029-21munin-node19:06:320
20179992493367,0cyclictest7350-1kworker/0:1H23:26:310
20179992379638,0cyclictest1595-21jbd2/hda3-820:21:300
20179992359297,0cyclictest7350-1kworker/0:1H21:31:350
20179992354626,0cyclictest1595-21jbd2/hda3-819:36:310
20179992347707,0cyclictest9-21ksoftirqd/021:21:310
20179992340530,0cyclictest9-21ksoftirqd/023:06:310
20179992333324,0cyclictest7350-1kworker/0:1H21:46:310
20179992319264,0cyclictest7350-1kworker/0:1H23:21:300
20179992308543,0cyclictest31479-21latency_hist21:06:310
20179992303336,0cyclictest7350-1kworker/0:1H22:46:310
20179992300614,0cyclictest9-21ksoftirqd/023:16:300
20179992296140,0cyclictest7350-1kworker/0:1H23:41:310
20179992288248,0cyclictest7350-1kworker/0:1H21:36:310
20179992287292,0cyclictest7350-1kworker/0:1H00:16:310
20179992286530,0cyclictest0-21swapper20:16:310
20179992282250,0cyclictest7350-1kworker/0:1H19:16:310
20179992281550,0cyclictest4207-21snmpd22:01:300
20179992277494,0cyclictest9-21ksoftirqd/022:26:310
20179992261283,0cyclictest7350-1kworker/0:1H21:26:310
20179992231638,0cyclictest29101-21latency_hist19:26:310
20179992221250,0cyclictest7350-1kworker/0:1H20:36:320
20179992209128,0cyclictest7350-1kworker/0:1H23:56:300
20179992208594,0cyclictest1595-21jbd2/hda3-820:26:310
20179992170210,0cyclictest7350-1kworker/0:1H20:46:310
20179992125254,0cyclictest7350-1kworker/0:1H22:21:300
20179992101243,0cyclictest7350-1kworker/0:1H21:51:350
20179992051332,0cyclictest7350-1kworker/0:1H22:56:300
20179992002734,0cyclictest0-21swapper23:33:470
20179991994254,0cyclictest7350-1kworker/0:1H19:01:270
20179991955206,0cyclictest7350-1kworker/0:1H23:36:300
20179991870668,0cyclictest9-21ksoftirqd/019:01:300
20179991855484,0cyclictest26287-21which20:51:340
20179991842653,0cyclictest32664-21latency_hist22:41:310
201799918401648,0cyclictest20176-21cyclictest00:02:190
20179991721279,0cyclictest7350-1kworker/0:1H20:31:350
20179991705685,0cyclictest1860-21latency_hist00:21:300
20179991700300,0cyclictest7350-1kworker/0:1H22:11:340
20179991694598,0cyclictest9-21ksoftirqd/019:31:350
20179991683306,0cyclictest7350-1kworker/0:1H20:11:340
20179991669246,0cyclictest7350-1kworker/0:1H22:31:350
20179991654586,0cyclictest9-21ksoftirqd/019:51:350
20179991638251,0cyclictest7350-1kworker/0:1H21:01:320
20179991610287,0cyclictest7350-1kworker/0:1H23:11:390
20179991596421,0cyclictest9-21ksoftirqd/022:54:060
20179991566208,0cyclictest0-21swapper23:49:010
20179991524583,0cyclictest9-21ksoftirqd/019:56:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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