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2026-05-18 - 05:49
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Mon May 18, 2026 00:49:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2643099261122,87cyclictest151rcu_preempt00:00:153
330891246237,6phc2sys0-21swapper/219:05:1612
3273912310,223ptp4l0-21swapper/119:05:261
26527991909,165cyclictest0-21swapper/2521:58:3718
26527991909,165cyclictest0-21swapper/2521:58:3718
26527991879,161cyclictest0-21swapper/2522:26:1118
26527991869,130cyclictest0-21swapper/2500:14:5518
26509991860,130cyclictest0-21swapper/2323:50:1816
26527991819,130cyclictest0-21swapper/2523:51:4718
26378991800,84cyclictest0-21swapper/120:30:021
265279916912,115cyclictest0-21swapper/2523:05:5818
264789916735,124cyclictest0-21swapper/1800:24:2510
26527991569,95cyclictest0-21swapper/2500:19:4318
264789915624,110cyclictest0-21swapper/1800:34:0210
26527991499,87cyclictest0-21swapper/2500:34:0918
26378991490,87cyclictest0-21swapper/120:39:221
26378991480,90cyclictest0-21swapper/100:10:011
26378991470,86cyclictest0-21swapper/120:15:521
26378991460,88cyclictest0-21swapper/121:10:551
26378991460,88cyclictest0-21swapper/121:10:551
26378991460,86cyclictest0-21swapper/123:22:081
26378991450,86cyclictest0-21swapper/123:30:411
26378991450,86cyclictest0-21swapper/122:43:391
26378991440,86cyclictest0-21swapper/122:00:211
26378991440,85cyclictest0-21swapper/122:05:101
26378991430,86cyclictest0-21swapper/123:15:111
26378991430,83cyclictest0-21swapper/120:51:081
26378991430,83cyclictest0-21swapper/120:51:081
26378991410,83cyclictest0-21swapper/122:22:481
26378991410,83cyclictest0-21swapper/122:22:481
26378991410,82cyclictest0-21swapper/122:52:121
26509991400,86cyclictest0-21swapper/2320:40:0216
264869914041,56cyclictest0-21swapper/1923:36:2011
26378991400,86cyclictest0-21swapper/122:11:351
26378991400,86cyclictest0-21swapper/121:09:361
26378991400,86cyclictest0-21swapper/121:09:351
26378991400,85cyclictest0-21swapper/123:55:161
26378991390,82cyclictest0-21swapper/122:15:511
26378991390,82cyclictest0-21swapper/120:05:141
264789913836,66cyclictest0-21swapper/1823:35:1510
26378991380,87cyclictest0-21swapper/100:24:401
26378991380,87cyclictest0-21swapper/100:03:171
26378991380,85cyclictest0-21swapper/121:25:241
26378991380,85cyclictest0-21swapper/121:25:241
26378991380,82cyclictest0-21swapper/123:45:271
26378991380,81cyclictest0-21swapper/121:00:301
26378991380,81cyclictest0-21swapper/121:00:301
26527991379,81cyclictest0-21swapper/2500:09:2018
26378991370,86cyclictest0-21swapper/100:29:131
26378991370,85cyclictest0-21swapper/123:28:201
26378991370,84cyclictest0-21swapper/123:02:531
26378991370,82cyclictest0-21swapper/121:33:381
26378991370,82cyclictest0-21swapper/121:33:381
26378991370,82cyclictest0-21swapper/120:40:591
26378991370,81cyclictest0-21swapper/123:14:221
26378991370,136cyclictest0-21swapper/122:35:391
265279913645,63cyclictest0-21swapper/2523:30:1918
265279913644,64cyclictest0-21swapper/2522:43:1518
265279913628,72cyclictest0-21swapper/2523:24:4018
265279913619,88cyclictest0-21swapper/2522:10:2418
264869913641,62cyclictest0-21swapper/1922:17:1411
263789913649,59cyclictest0-21swapper/121:17:041
263789913649,59cyclictest0-21swapper/121:17:041
263789913629,65cyclictest0-21swapper/122:56:291
26378991360,84cyclictest0-21swapper/121:48:051
26378991360,84cyclictest0-21swapper/121:48:041
26378991360,78cyclictest0-21swapper/122:26:011
26527991359,69cyclictest0-21swapper/2521:35:3818
26527991359,69cyclictest0-21swapper/2521:35:3818
265279913545,59cyclictest0-21swapper/2522:47:1518
265279913529,71cyclictest0-21swapper/2523:56:4418
265279913529,69cyclictest0-21swapper/2523:39:3818
265279913528,71cyclictest0-21swapper/2521:48:1518
265279913528,71cyclictest0-21swapper/2521:48:1518
26521991350,79cyclictest0-21swapper/2421:40:1517
26521991350,79cyclictest0-21swapper/2421:40:1417
264869913527,107cyclictest0-21swapper/1900:07:5211
265279913457,63cyclictest0-21swapper/2522:38:1018
265279913431,72cyclictest0-21swapper/2500:24:0118
265279913430,69cyclictest0-21swapper/2521:19:3618
265279913430,69cyclictest0-21swapper/2521:19:3618
265279913429,70cyclictest0-21swapper/2522:31:0018
264869913427,15cyclictest0-21swapper/1921:29:0711
264869913427,15cyclictest0-21swapper/1921:29:0711
264869913426,62cyclictest0-21swapper/1923:50:1411
263789913441,62cyclictest0-21swapper/121:38:591
263789913441,62cyclictest0-21swapper/121:38:591
26378991340,83cyclictest0-21swapper/122:31:211
26378991340,82cyclictest0-21swapper/100:15:221
265279913351,60cyclictest0-21swapper/2520:05:5218
265279913346,64cyclictest0-21swapper/2523:47:0718
265279913332,70cyclictest0-21swapper/2522:53:0818
265279913331,72cyclictest0-21swapper/2523:42:5118
265279913330,69cyclictest0-21swapper/2520:20:4918
265279913329,68cyclictest0-21swapper/2520:15:2218
26521991330,80cyclictest0-21swapper/2422:22:1017
26521991330,80cyclictest0-21swapper/2422:22:1017
265049913329,32cyclictest0-21swapper/2220:05:1715
263789913328,62cyclictest0-21swapper/121:41:391
263789913328,62cyclictest0-21swapper/121:41:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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