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2026-03-06 - 18:39
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Fri Mar 06, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161169997575146,4600cyclictest4424-21kworker/0:008:20:020
161169996625096,4555cyclictest2226-21kworker/0:207:16:030
161169996285080,4537cyclictest2226-21kworker/0:207:28:160
161169996275081,4535cyclictest2226-21kworker/0:207:23:450
161169992294800,4425cyclictest4424-21kworker/0:008:41:170
161169990994630,4459cyclictest2226-21kworker/0:207:45:370
161169990744871,4160cyclictest4424-21kworker/0:008:39:410
161169990404605,4430cyclictest4424-21kworker/0:009:02:570
161169987194442,4266cyclictest4424-21kworker/0:008:34:380
161169986704523,4142cyclictest2226-21kworker/0:207:52:290
161169986304485,4130cyclictest1304-21kworker/0:110:32:470
161169986154393,4218cyclictest4424-21kworker/0:009:10:030
161169984414257,4169cyclictest4424-21kworker/0:009:27:390
161169983244222,4050cyclictest4424-21kworker/0:008:26:090
161169982424170,4057cyclictest10336-21kworker/0:010:49:340
161169978834255,3613cyclictest21359-21kworker/0:012:37:130
161169977364216,3505cyclictest2226-21kworker/0:207:57:150
161169976013973,3613cyclictest11371-21kworker/0:212:03:420
161169974814098,3340cyclictest4424-21kworker/0:009:17:360
161169973213917,3390cyclictest8822-21kworker/0:109:53:070
161169973193795,3481cyclictest24558-21kworker/0:211:17:580
161169973173880,3422cyclictest8822-21kworker/0:109:39:020
161169973163997,3268cyclictest2226-21kworker/0:207:44:000
161169971423823,3305cyclictest8822-21kworker/0:109:49:520
161169967033633,3059cyclictest2226-21kworker/0:207:33:210
161169966743625,3046cyclictest2226-21kworker/0:207:12:560
161169966073651,2941cyclictest18265-21kworker/0:111:03:500
161169965953634,2918cyclictest4424-21kworker/0:008:04:070
161169965843573,3000cyclictest4424-21kworker/0:008:13:010
161169964803592,2874cyclictest23067-21kworker/0:010:03:340
161169963283493,2793cyclictest1304-21kworker/0:110:29:390
161169962943378,2865cyclictest2226-21kworker/0:207:38:210
161169962273347,2837cyclictest4424-21kworker/0:008:18:260
161169961453310,2784cyclictest23067-21kworker/0:010:17:260
161169961453304,2798cyclictest21359-21kworker/0:012:34:350
161169961333331,2797cyclictest4424-21kworker/0:008:05:430
161169960943198,2873cyclictest23067-21kworker/0:010:05:300
161169959913327,2612cyclictest4424-21kworker/0:008:53:360
161169959623136,2815cyclictest4424-21kworker/0:008:55:120
161169957223088,2583cyclictest29957-21kworker/0:011:36:360
161169951862677,2498cyclictest4424-21kworker/0:008:48:230
161169946242481,2119cyclictest18265-21kworker/0:111:05:510
161169944484389,36cyclictest8822-21kworker/0:109:41:110
161169937603667,79cyclictest4424-21kworker/0:009:08:280
154352810183,202sleep00-21swapper07:05:260
161169948633,441cyclictest29479-21diskmemload12:16:290
161169948632,440cyclictest29479-21diskmemload12:20:080
161169948432,438cyclictest29479-21diskmemload11:57:270
161169948431,439cyclictest21064-21ssh09:56:380
161169947633,430cyclictest12-21rcu_preempt11:25:050
161169946735,418cyclictest28392-21ssh10:12:240
161169946734,362cyclictest17153-21ntp_states12:05:190
161169946432,371cyclictest10301-21ssh10:41:270
161169946431,371cyclictest20961-21runrttasks12:13:000
161169941342,188cyclictest14170-1kworker/u3:111:13:140
161169941138,359cyclictest29479-21diskmemload11:54:340
161169940922,88cyclictest6249-21needreboot11:40:520
161169940831,363cyclictest27257-21ls12:26:290
161169940633,359cyclictest15944-21ssh10:54:110
161169940632,359cyclictest348-21ssh11:30:050
161169940440,351cyclictest11-21ksoftirqd/010:55:180
161169940331,358cyclictest7670-21munin-node11:45:330
161169939833,352cyclictest32470-21rm11:28:540
161169939832,350cyclictest7015-21gltestperf10:35:290
161169939718,365cyclictest15653-21kworker/u2:210:22:250
161169939018,358cyclictest8798-21ssh09:31:520
161169938734,339cyclictest29479-21diskmemload09:23:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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