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2026-07-06 - 14:11
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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 Mon Jul 06, 2026 00:46:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32149974363704,3681cyclictest3114-21kworker/0:219:18:590
32149965323556,2925cyclictest3114-21kworker/0:219:14:090
32149961553414,2737cyclictest3114-21kworker/0:219:20:330
29402778186,204sleep00-21swapper19:08:230
32149952129,431cyclictest23989-21sshd20:03:100
32149952128,431cyclictest19520-21awk19:50:400
32149952126,434cyclictest19052-21seq23:41:190
32149950855,439cyclictest28794-21ssh21:38:020
32149950827,420cyclictest13259-21wc21:00:520
32149950754,439cyclictest21793-21ssh23:47:310
32149950570,374cyclictest28341-21rm00:02:000
32149950455,390cyclictest24111-21runrttasks23:53:010
32149950364,379cyclictest6218-21ssh00:25:460
32149949354,378cyclictest5857-21ls22:00:050
32149949056,420cyclictest15903-21diskmemload23:14:210
32149948652,373cyclictest4333-21df20:36:100
32149948631,393cyclictest13603-21awk19:35:290
32149948156,411cyclictest1493-21ssh21:50:250
32149947953,412cyclictest10063-21munin-node00:35:170
32149947756,362cyclictest19757-21sshd21:17:130
32149947755,361cyclictest15903-21diskmemload22:18:490
32149947555,359cyclictest15355-21grep19:40:250
32149947453,407cyclictest6766-21ssh22:00:580
32149947253,359cyclictest2985-21grep23:05:460
32149947252,359cyclictest8697-21cut20:50:160
32149947252,236cyclictest27172-21sort20:10:590
32149947156,355cyclictest21767-21ssh22:35:310
32149947031,424cyclictest32680-21idleruntime23:00:190
32149946855,343cyclictest15903-21diskmemload21:10:430
32149946755,233cyclictest212852sleep022:34:470
32149946752,401cyclictest15903-21diskmemload23:26:160
32149946655,352cyclictest11904-21ssh22:12:200
32149946655,350cyclictest30239-21ssh00:06:320
32149946653,354cyclictest15903-21diskmemload22:59:360
32149946652,355cyclictest15903-21diskmemload00:18:510
32149946629,423cyclictest25835-21perl23:56:290
32149946553,351cyclictest4924-21runrttasks23:35:050
32149946355,347cyclictest23824-21ssh21:26:280
32149946153,223cyclictest15903-21diskmemload22:50:050
32149946054,345cyclictest9959-21ssh23:21:010
32149945955,344cyclictest249632sleep022:41:390
32149945954,345cyclictest12513-21ssh00:40:280
32149945830,367cyclictest1120-21awk20:30:120
32149945653,343cyclictest30655-21strings20:20:440
32149945653,342cyclictest24599-21grep20:05:240
32149945652,345cyclictest9896-21ssh22:08:200
32149945433,239cyclictest28978-21seq22:50:590
32149945387,258cyclictest351950irq/10-yenta00:32:190
32149945354,225cyclictest18666-21ssh22:27:510
32149945229,400cyclictest16751-21rm22:24:190
32149945056,333cyclictest4924-21runrttasks19:55:300
32149944954,210cyclictest30168-21munin-node21:40:560
32149944555,377cyclictest730-21ssh21:47:450
32149944364,365cyclictest3399-21munin-node00:20:220
32149944072,353cyclictest10473-21munin-node20:55:310
3214994374,373cyclictest31300-21ssh00:10:110
32149943563,359cyclictest8737-21ssh23:18:510
32149943461,360cyclictest15776-21munin-node23:35:340
32149943262,357cyclictest11-21ksoftirqd/021:31:560
32149943170,361cyclictest0-21swapper20:42:000
32149941452,348cyclictest22115-21ssh21:22:550
32149941356,342cyclictest28033-21cut20:15:120
32149941053,343cyclictest12788-21sshd19:32:110
32149940653,338cyclictest15169-21munin-node21:05:580
32149938731,356cyclictest0-21swapper19:29:180
32149938421,363cyclictest0-21swapper19:46:360
32149936129,317cyclictest3455-21dbus-daemon20:46:040
32149935928,317cyclictest32194-21awk20:25:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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