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2025-12-03 - 21:45
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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 Wed Dec 03, 2025 12:50:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2094399330132,1cyclictest151rcu_preempt09:38:3231
2093199330133,197cyclictest151rcu_preempt10:17:3129
2482913110,303ptp4l0-21swapper/107:05:391
329891226217,6phc2sys0-21swapper/207:05:2112
210969918032,123cyclictest0-21swapper/3012:18:4224
210969917832,98cyclictest0-21swapper/3010:15:1324
210969917831,95cyclictest0-21swapper/3012:09:3624
20986991787,146cyclictest0-21swapper/1510:14:267
210969917627,143cyclictest0-21swapper/3009:54:5624
20986991647,116cyclictest0-21swapper/1510:28:527
210209915724,131cyclictest0-21swapper/2012:06:3113
210209915624,131cyclictest0-21swapper/2011:10:1513
210209915524,100cyclictest0-21swapper/2009:46:3213
210209915321,119cyclictest0-21swapper/2010:31:2613
210209915320,132cyclictest26958-21ntpdc11:55:2113
210209914724,78cyclictest0-21swapper/2010:00:2613
20986991477,88cyclictest0-21swapper/1509:52:327
20986991467,101cyclictest0-21swapper/1511:34:047
20972991460,87cyclictest0-21swapper/1311:25:165
209009914548,61cyclictest0-21swapper/210:16:5512
210209914424,80cyclictest0-21swapper/2010:36:1613
210649914353,52cyclictest0-21swapper/2610:40:1619
208929914252,57cyclictest0-21swapper/008:00:270
208929914252,57cyclictest0-21swapper/008:00:270
209009914130,62cyclictest0-21swapper/210:34:0112
210649914048,54cyclictest0-21swapper/2607:28:2619
210649914048,54cyclictest0-21swapper/2607:28:2619
20986991397,80cyclictest0-21swapper/1510:37:577
210969913828,72cyclictest0-21swapper/3012:14:2424
210279913865,11cyclictest151rcu_preempt09:36:0314
209009913852,62cyclictest0-21swapper/208:05:1412
209009913852,62cyclictest0-21swapper/208:05:1312
208929913852,58cyclictest0-21swapper/007:15:130
208929913852,58cyclictest0-21swapper/007:15:130
210969913722,70cyclictest0-21swapper/3010:50:3024
210369913742,69cyclictest0-21swapper/2209:19:3015
208929913763,42cyclictest0-21swapper/011:59:260
208929913727,71cyclictest0-21swapper/009:23:450
210649913631,68cyclictest0-21swapper/2611:02:1219
209059913649,43cyclictest0-21swapper/309:10:0723
208929913650,62cyclictest0-21swapper/011:15:590
208929913650,60cyclictest0-21swapper/012:31:360
208929913650,60cyclictest0-21swapper/012:31:360
208929913629,70cyclictest0-21swapper/011:52:340
208929913628,72cyclictest0-21swapper/012:13:120
208929913628,65cyclictest0-21swapper/007:50:450
208929913628,65cyclictest0-21swapper/007:50:450
208929913627,68cyclictest0-21swapper/009:16:210
208929913624,77cyclictest0-21swapper/012:09:540
210649913528,62cyclictest0-21swapper/2609:55:2319
210209913524,8cyclictest0-21swapper/2007:55:2313
210209913524,8cyclictest0-21swapper/2007:55:2313
20986991357,101cyclictest0-21swapper/1510:42:477
208929913526,64cyclictest0-21swapper/008:29:450
208929913526,64cyclictest0-21swapper/008:29:440
210969913447,57cyclictest0-21swapper/3011:13:2924
210969913427,70cyclictest0-21swapper/3010:07:2724
210649913430,60cyclictest0-21swapper/2612:12:4519
208929913449,58cyclictest0-21swapper/009:41:540
208929913445,61cyclictest0-21swapper/011:35:150
208929913429,73cyclictest0-21swapper/010:39:340
210969913328,61cyclictest0-21swapper/3012:20:4924
210649913329,62cyclictest0-21swapper/2611:15:1819
209009913330,63cyclictest0-21swapper/211:20:4612
209009913328,64cyclictest0-21swapper/209:45:2212
209009913327,65cyclictest0-21swapper/211:25:1812
209009913327,59cyclictest0-21swapper/209:43:2712
208929913356,63cyclictest0-21swapper/011:24:330
208929913332,37cyclictest0-21swapper/009:45:460
208929913329,69cyclictest0-21swapper/007:36:360
208929913329,69cyclictest0-21swapper/007:36:360
208929913327,72cyclictest0-21swapper/011:06:370
208929913327,71cyclictest0-21swapper/011:14:560
210649913250,64cyclictest0-21swapper/2609:13:1119
209729913250,55cyclictest0-21swapper/1310:26:425
20972991320,81cyclictest0-21swapper/1312:08:145
209009913231,63cyclictest0-21swapper/210:02:4312
209009913230,63cyclictest0-21swapper/209:08:2912
209009913226,63cyclictest0-21swapper/208:46:0412
208929913245,56cyclictest0-21swapper/011:31:330
208929913231,75cyclictest0-21swapper/010:24:370
208929913230,73cyclictest0-21swapper/011:29:330
208929913229,68cyclictest0-21swapper/008:23:220
208929913229,68cyclictest0-21swapper/008:23:220
208929913229,67cyclictest0-21swapper/010:53:000
208929913228,70cyclictest0-21swapper/011:44:570
208929913228,69cyclictest0-21swapper/008:18:300
208929913228,69cyclictest0-21swapper/008:18:300
210649913127,62cyclictest0-21swapper/2611:50:5019
209009913131,67cyclictest0-21swapper/209:31:2712
209009913126,63cyclictest0-21swapper/209:37:5312
209009913123,63cyclictest0-21swapper/211:06:0512
208929913127,69cyclictest0-21swapper/012:38:500
208929913127,69cyclictest0-21swapper/012:38:490
208929913127,68cyclictest0-21swapper/011:47:010
21053991300,84cyclictest0-21swapper/2409:10:1617
209009913031,70cyclictest0-21swapper/212:39:5112
209009913031,70cyclictest0-21swapper/212:39:5012
209009913030,66cyclictest0-21swapper/210:20:0712
20900991302,74cyclictest0-21swapper/209:56:3512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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