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2026-04-13 - 12:28
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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 highest latencies:
System rack8slot1.osadl.org (updated Mon Apr 13, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2465599437226,0cyclictest0-21swapper21:28:100
246559929041665,0cyclictest0-21swapper23:05:460
24655992663310,0cyclictest31627-1kworker/0:0H00:23:150
24655992651895,0cyclictest5997-21munin-node23:43:160
24655992650153,0cyclictest31627-1kworker/0:0H20:03:140
24655992642314,0cyclictest31627-1kworker/0:0H00:03:150
24655992579311,0cyclictest31627-1kworker/0:0H00:18:140
24655992512250,0cyclictest31627-1kworker/0:0H22:38:150
24655992487164,0cyclictest31627-1kworker/0:0H22:03:160
24655992449883,0cyclictest8527-21sendmail_mailtr23:53:170
24655992425347,0cyclictest31627-1kworker/0:0H21:43:150
24655992411397,0cyclictest31627-1kworker/0:0H22:18:150
24655992306239,0cyclictest31627-1kworker/0:0H20:23:150
24655992298300,0cyclictest31627-1kworker/0:0H19:38:170
24655992280345,0cyclictest31627-1kworker/0:0H20:38:150
24655992263248,0cyclictest31627-1kworker/0:0H22:23:140
24655992259284,0cyclictest31627-1kworker/0:0H19:43:160
24655992254244,0cyclictest31627-1kworker/0:0H20:18:150
24655992229299,0cyclictest31627-1kworker/0:0H19:03:140
246559922272167,0cyclictest20573-21latency_hist20:43:150
24655992208274,0cyclictest31627-1kworker/0:0H23:08:140
24655992130381,0cyclictest31627-1kworker/0:0H21:18:140
24655991980275,0cyclictest31627-1kworker/0:0H21:03:170
24655991979767,0cyclictest5633-21sendmail_mailtr21:48:170
24655991970288,0cyclictest31627-1kworker/0:0H22:43:160
24655991965277,0cyclictest31627-1kworker/0:0H00:08:170
24655991945315,0cyclictest31627-1kworker/0:0H00:28:180
24655991857292,0cyclictest31627-1kworker/0:0H22:28:150
24655991855319,0cyclictest31627-1kworker/0:0H19:23:150
24655991839169,0cyclictest31627-1kworker/0:0H23:38:140
24655991826277,0cyclictest31627-1kworker/0:0H19:28:160
2465599181828,0cyclictest31627-1kworker/0:0H00:03:540
24655991811163,0cyclictest31627-1kworker/0:0H20:48:150
24655991798389,0cyclictest31627-1kworker/0:0H23:18:140
24655991787233,0cyclictest31627-1kworker/0:0H21:38:140
246559917771729,0cyclictest32368-21latency_hist21:28:150
24655991767922,0cyclictest9-21ksoftirqd/023:33:200
24655991706254,0cyclictest31627-1kworker/0:0H19:03:100
24655991705310,0cyclictest31627-1kworker/0:0H00:13:190
24655991641343,0cyclictest31627-1kworker/0:0H19:48:200
24655991638318,0cyclictest31627-1kworker/0:0H23:23:140
24655991624253,0cyclictest31627-1kworker/0:0H22:48:150
24655991615227,0cyclictest31627-1kworker/0:0H22:08:150
24655991580283,0cyclictest31627-1kworker/0:0H21:08:210
24655991579220,0cyclictest31627-1kworker/0:0H19:58:150
24655991563323,0cyclictest31627-1kworker/0:0H22:58:150
24655991559701,0cyclictest30272-21tr23:13:230
24655991511608,0cyclictest9-21ksoftirqd/023:35:530
24655991509566,0cyclictest9-21ksoftirqd/021:55:580
24655991477295,0cyclictest31627-1kworker/0:0H20:33:260
24655991470421,0cyclictest9-21ksoftirqd/019:55:570
24655991469285,0cyclictest31627-1kworker/0:0H23:53:250
24655991451236,0cyclictest31627-1kworker/0:0H20:13:270
24655991433384,0cyclictest31627-1kworker/0:0H21:03:230
24655991412262,0cyclictest31627-1kworker/0:0H20:53:270
24655991385302,0cyclictest31627-1kworker/0:0H22:33:250
24655991377834,0cyclictest10878-21sendmail_mailtr20:08:180
24655991321802,0cyclictest989-21munin-node19:33:280
24655991283276,0cyclictest31627-1kworker/0:0H20:28:150
24655991280285,0cyclictest31627-1kworker/0:0H19:08:190
24655991245237,0cyclictest31627-1kworker/0:0H19:18:180
24655991231231,0cyclictest31627-1kworker/0:0H21:13:290
24655991086449,0cyclictest9-21ksoftirqd/019:14:340
24655991080810,0cyclictest10294-21latency_hist22:03:100
24655991064302,0cyclictest31627-1kworker/0:0H22:13:270
24655991012264,0cyclictest31627-1kworker/0:0H21:33:260
24655991010281,0cyclictest31627-1kworker/0:0H22:53:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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