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2026-04-10 - 18:56
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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 Fri Apr 10, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251729998755144,4720cyclictest23770-21kworker/0:212:29:160
251729997835114,4664cyclictest23770-21kworker/0:212:38:130
251729997015078,4612cyclictest14548-21kworker/0:109:43:030
251729994845085,4396cyclictest14548-21kworker/0:107:13:270
251729993514804,4537cyclictest629-21kworker/0:111:09:380
251729993344800,4522cyclictest23770-21kworker/0:211:56:040
251729992684780,4484cyclictest14548-21kworker/0:108:58:040
251729992294725,4489cyclictest14548-21kworker/0:107:58:430
251729991944742,4441cyclictest23770-21kworker/0:212:21:130
251729990974690,4396cyclictest28162-21kworker/0:009:52:010
251729990774850,4167cyclictest14548-21kworker/0:108:36:350
251729990064645,4350cyclictest14548-21kworker/0:107:26:470
251729989504600,4339cyclictest27262-21kworker/0:010:57:220
251729989374612,4314cyclictest14548-21kworker/0:109:01:590
251729989174594,4312cyclictest14548-21kworker/0:107:45:340
251729988854470,4372cyclictest14548-21kworker/0:107:21:120
251729988754477,4387cyclictest5271-21kworker/0:110:12:080
251729987824531,4240cyclictest14548-21kworker/0:109:34:240
251729987714526,4233cyclictest8204-21kworker/0:211:17:460
251729987284499,4217cyclictest23770-21kworker/0:211:47:420
251729987134373,4325cyclictest14548-21kworker/0:108:25:370
251729985544323,4227cyclictest14548-21kworker/0:109:47:420
251729985534270,4231cyclictest14548-21kworker/0:108:10:090
251729985304304,4221cyclictest27262-21kworker/0:010:48:550
251729985124273,4224cyclictest14548-21kworker/0:108:52:230
251729985024496,3995cyclictest5271-21kworker/0:110:16:070
251729983344515,3814cyclictest14548-21kworker/0:108:04:060
251729982954372,3912cyclictest14548-21kworker/0:109:38:320
251729981384054,4008cyclictest14548-21kworker/0:109:07:580
251729980804336,3684cyclictest14548-21kworker/0:107:43:510
251729980044226,3764cyclictest14548-21kworker/0:109:12:140
251729979744233,3737cyclictest14548-21kworker/0:108:42:240
251729979183960,3915cyclictest14548-21kworker/0:108:32:390
251729978984154,3692cyclictest8204-21kworker/0:211:33:250
251729978964241,3595cyclictest14548-21kworker/0:107:54:590
251729977993999,3758cyclictest5271-21kworker/0:110:22:500
251729977534170,3523cyclictest8204-21kworker/0:211:12:150
251729977384181,3543cyclictest14548-21kworker/0:107:17:270
251729976463922,3673cyclictest23770-21kworker/0:211:54:410
251729976204044,3561cyclictest14548-21kworker/0:107:34:170
251729975254064,3410cyclictest14548-21kworker/0:108:17:450
251729974373718,3675cyclictest14548-21kworker/0:109:16:320
251729973633775,3537cyclictest629-21kworker/0:111:04:040
251729973143611,3688cyclictest8204-21kworker/0:211:20:160
251729973063855,3400cyclictest14127-21kworker/0:210:35:070
251729972653827,3423cyclictest14548-21kworker/0:109:21:010
251729972563872,3372cyclictest14127-21kworker/0:210:44:500
251729972404016,3173cyclictest14548-21kworker/0:108:21:420
251729972213807,3362cyclictest32326-21kworker/0:209:58:200
251729971683798,3356cyclictest14548-21kworker/0:108:48:230
251729971573784,3321cyclictest14127-21kworker/0:210:27:000
251729970943739,3304cyclictest14548-21kworker/0:109:29:020
251729968223510,3261cyclictest23770-21kworker/0:212:11:080
251729968063689,3065cyclictest23770-21kworker/0:212:32:040
251729968003643,3146cyclictest5271-21kworker/0:110:08:030
251729967823629,3148cyclictest23770-21kworker/0:212:04:040
251729966993547,3137cyclictest8204-21kworker/0:211:29:170
251729966753585,3086cyclictest27262-21kworker/0:010:53:010
251729966753577,3087cyclictest32326-21kworker/0:210:03:430
251729966603619,2980cyclictest14548-21kworker/0:108:06:180
251729966343609,2982cyclictest21577-21kworker/0:111:37:320
251729965093461,3034cyclictest23770-21kworker/0:212:19:470
251729963623379,2931cyclictest14127-21kworker/0:210:31:030
251729962713335,2893cyclictest23770-21kworker/0:212:06:570
251729962423326,2865cyclictest14548-21kworker/0:107:36:090
251729960323335,2682cyclictest23770-21kworker/0:211:41:490
248812842183,203sleep00-21swapper07:08:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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