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2026-07-15 - 16:36
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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 Wed Jul 15, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10149989314737,4192cyclictest6289-21kworker/0:007:12:170
10149989154523,4382cyclictest6289-21kworker/0:007:15:570
8642808185,203sleep00-21swapper07:09:260
10149950824,424cyclictest0-21swapper09:53:460
10149950621,425cyclictest0-21swapper08:04:430
10149946723,373cyclictest8327-21ssh10:08:070
10149945866,89cyclictest14162-21diskmemload12:20:310
10149944867,367cyclictest0-21swapper11:29:350
10149944731,415cyclictest27056-21ssh09:37:250
10149944483,187cyclictest5847-21ssh10:01:540
10149944167,360cyclictest11-21ksoftirqd/007:47:190
10149942640,372cyclictest22408-21ssh09:26:370
10149942566,177cyclictest17943-21kworker/u2:109:17:070
10149941444,358cyclictest28649-21ssh10:54:000
10149940833,362cyclictest23111-21sh10:40:570
10149940831,368cyclictest9141-21munin-node12:36:020
10149940753,354cyclictest16669-21ssh10:26:140
10149940652,350cyclictest8474-21chrt07:25:570
10149940533,362cyclictest4924-21runrttasks12:12:140
10149940232,357cyclictest24369-21kworker/u2:011:57:450
10149940228,365cyclictest23413-21kworker/u2:010:47:340
10149939833,365cyclictest14162-21diskmemload12:19:510
10149939746,338cyclictest86650irq/10-i91509:13:530
10149939734,349cyclictest13284-21cpu07:40:240
10149939732,365cyclictest14162-21diskmemload11:21:420
10149939732,351cyclictest19871-21cut11:45:490
10149939731,351cyclictest32001-21gltestperf08:30:200
10149939636,347cyclictest3050irq/9-acpi12:02:550
10149939532,349cyclictest18120-21tune2fs07:51:020
10149939532,349cyclictest17344-21df11:40:370
10149939531,350cyclictest26574-21sed08:15:280
10149939531,350cyclictest18879-21cut07:55:210
10149939432,349cyclictest14844-21swap11:35:270
10149939432,348cyclictest20408-21kworker/u2:212:32:420
10149939331,362cyclictest14162-21diskmemload09:33:390
10149939323,357cyclictest0-21swapper08:58:440
10149939314,365cyclictest14386-21ssh11:34:380
10149939036,354cyclictest0-21swapper11:07:550
10149939035,355cyclictest0-21swapper11:14:420
10149939032,358cyclictest29922-21ssh12:08:590
10149939016,361cyclictest5675-21python12:26:060
10149938919,310cyclictest21668-21rm10:37:450
10149938831,288cyclictest9820-21forks07:30:330
10149938735,340cyclictest19830-21sshd10:34:400
10149938733,340cyclictest14162-21diskmemload10:24:130
10149938656,270cyclictest7499-21cat08:50:350
10149938624,302cyclictest19335-21kworker/0:210:56:210
10149938533,339cyclictest14162-21diskmemload09:42:480
10149938232,289cyclictest31585-21ssh09:47:360
10149938131,336cyclictest6439-21awk11:15:490
10149938131,336cyclictest13995-21sshd09:08:400
10149937831,163cyclictest29292-21runrttasks08:21:060
10149937732,285cyclictest344450irq/10-eth008:42:390
10149937731,346cyclictest0-21swapper09:55:140
10149937633,283cyclictest897-21jbd2/sda1-808:10:040
10149937622,354cyclictest0-21swapper08:38:190
10149937521,294cyclictest0-21swapper11:02:170
10149937345,268cyclictest10906-21ssh10:14:460
10149937233,278cyclictest22703-21ssh11:51:310
10149936692,260cyclictest4285-21lldpd08:06:110
10149936541,89cyclictest18854-21if_eth009:20:180
10149936540,265cyclictest12018-21python07:35:490
10149935324,270cyclictest4924-21runrttasks10:16:030
10149934787,201cyclictest0-21swapper07:24:250
10149934367,262cyclictest30769-21wc08:25:460
10149933769,95cyclictest1005-21cyclictest08:45:090
10149933260,259cyclictest10792-21kworker/0:109:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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