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2026-06-26 - 16:21
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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 Fri Jun 26, 2026 12:49:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46499928415,105cyclictest151rcu_preempt11:34:4617
46499928415,105cyclictest151rcu_preempt11:34:4617
3273912740,265ptp4l0-21swapper/107:09:441
3273912740,265ptp4l0-21swapper/107:09:431
44949923947,2cyclictest151rcu_preempt10:01:450
46719918225,156cyclictest0-21swapper/2712:30:2220
46719916811,51cyclictest151rcu_preempt11:16:1920
46719916811,51cyclictest151rcu_preempt11:16:1920
46719916434,128cyclictest151rcu_preempt10:53:5220
46719916434,128cyclictest151rcu_preempt10:53:5120
46719916229,86cyclictest0-21swapper/2710:05:1420
45999916210,124cyclictest0-21swapper/1710:00:239
31322161152,6sleep290-21swapper/2907:07:0322
31322161152,6sleep290-21swapper/2907:07:0222
46719915930,128cyclictest0-21swapper/2711:30:0220
46719915930,128cyclictest0-21swapper/2711:30:0120
4599991555,114cyclictest0-21swapper/1711:14:339
4599991555,114cyclictest0-21swapper/1711:14:329
4599991545,96cyclictest0-21swapper/1711:39:079
4599991545,96cyclictest0-21swapper/1711:39:079
45049914915,50cyclictest151rcu_preempt09:26:5012
4599991485,86cyclictest0-21swapper/1710:10:099
45919914732,114cyclictest0-21swapper/1612:32:358
46499914521,123cyclictest0-21swapper/2411:15:0117
46499914521,123cyclictest0-21swapper/2411:15:0117
45919914529,115cyclictest0-21swapper/1609:20:408
46719914418,102cyclictest0-21swapper/2709:35:1720
46499914423,120cyclictest0-21swapper/2412:05:1317
45919914431,112cyclictest0-21swapper/1609:10:198
45919914430,108cyclictest0-21swapper/1610:45:028
45919914429,89cyclictest0-21swapper/1612:22:248
45259914426,117cyclictest0-21swapper/708:25:2729
46499914322,70cyclictest0-21swapper/2412:35:3917
46499914321,88cyclictest0-21swapper/2411:15:1417
46499914321,88cyclictest0-21swapper/2411:15:1317
45919914327,115cyclictest0-21swapper/1611:09:458
45919914327,115cyclictest0-21swapper/1611:09:448
46499914220,91cyclictest0-21swapper/2412:15:2517
46139914221,90cyclictest0-21swapper/1912:20:4911
4569991421,82cyclictest0-21swapper/1310:21:345
45699914131,69cyclictest0-21swapper/1311:55:375
46139914019,105cyclictest0-21swapper/1910:26:2711
46139914019,105cyclictest0-21swapper/1910:26:2711
4599991400,85cyclictest0-21swapper/1711:04:239
4599991400,85cyclictest0-21swapper/1711:04:229
46499913919,99cyclictest0-21swapper/2409:35:3517
46499913919,88cyclictest0-21swapper/2411:57:1217
4591991390,89cyclictest0-21swapper/1607:50:108
45699913930,68cyclictest0-21swapper/1311:01:395
45699913930,68cyclictest0-21swapper/1311:01:395
4599991385,81cyclictest0-21swapper/1709:09:599
45919913825,81cyclictest0-21swapper/1610:28:228
45919913825,81cyclictest0-21swapper/1610:28:218
45919913823,99cyclictest0-21swapper/1612:28:498
45699913831,69cyclictest0-21swapper/1310:30:395
45699913829,64cyclictest0-21swapper/1309:20:065
45699913826,64cyclictest0-21swapper/1308:43:455
4696991371,88cyclictest0-21swapper/3009:19:4924
46499913715,99cyclictest0-21swapper/2410:56:5317
46499913715,99cyclictest0-21swapper/2410:56:5217
45699913730,67cyclictest0-21swapper/1311:48:095
45699913730,67cyclictest0-21swapper/1311:48:095
45699913729,63cyclictest0-21swapper/1312:09:325
4599991365,84cyclictest0-21swapper/1711:15:379
4599991365,84cyclictest0-21swapper/1711:15:369
45699913629,61cyclictest0-21swapper/1308:20:155
45699913628,67cyclictest0-21swapper/1311:41:125
45699913628,67cyclictest0-21swapper/1311:41:115
45699913628,64cyclictest0-21swapper/1312:10:045
4591991350,86cyclictest0-21swapper/1609:41:498
45699913530,63cyclictest0-21swapper/1307:30:165
45699913530,61cyclictest0-21swapper/1307:30:015
45699913529,61cyclictest0-21swapper/1307:35:385
45699913528,64cyclictest0-21swapper/1309:05:085
330891135127,6phc2sys0-21swapper/207:06:1212
330891135127,6phc2sys0-21swapper/207:06:1212
4671991345,76cyclictest0-21swapper/2710:55:2820
4671991345,76cyclictest0-21swapper/2710:55:2720
46719913441,63cyclictest0-21swapper/2712:12:5820
46719913440,65cyclictest0-21swapper/2709:17:2920
46719913428,59cyclictest0-21swapper/2710:30:2120
46719913427,63cyclictest0-21swapper/2711:40:2220
46719913427,63cyclictest0-21swapper/2711:40:2220
46139913421,73cyclictest0-21swapper/1912:15:2911
45919913421,82cyclictest0-21swapper/1609:28:308
45919913420,86cyclictest0-21swapper/1610:32:178
45699913447,54cyclictest0-21swapper/1310:11:565
45699913432,68cyclictest0-21swapper/1309:50:025
45699913430,63cyclictest0-21swapper/1310:19:415
45699913429,61cyclictest0-21swapper/1310:29:035
45699913429,61cyclictest0-21swapper/1310:29:025
45699913428,63cyclictest0-21swapper/1312:31:435
45699913428,62cyclictest0-21swapper/1311:11:485
45699913428,62cyclictest0-21swapper/1311:11:475
45699913427,60cyclictest0-21swapper/1310:40:165
45699913427,60cyclictest0-21swapper/1310:40:155
46719913328,67cyclictest0-21swapper/2709:24:0420
45919913319,86cyclictest0-21swapper/1608:40:228
45699913329,59cyclictest0-21swapper/1310:39:125
46719913230,78cyclictest0-21swapper/2708:11:2320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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