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2026-06-14 - 21:12
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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 Sun Jun 14, 2026 12:49:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2083199329131,1cyclictest151rcu_preempt12:09:5415
3273913070,299ptp4l0-21swapper/107:08:301
161142241233,6sleep20-21swapper/207:05:1512
20670991787,130cyclictest0-21swapper/010:46:000
191762178171,6sleep200-21swapper/2007:05:3313
207369917231,103cyclictest0-21swapper/910:40:0231
207369916928,102cyclictest0-21swapper/911:06:3831
207369916828,93cyclictest0-21swapper/908:05:3531
207369916827,140cyclictest0-21swapper/910:03:3431
207369916827,140cyclictest0-21swapper/910:03:3431
207369916725,135cyclictest0-21swapper/908:45:0131
207369916327,91cyclictest0-21swapper/909:30:5831
207369916327,91cyclictest0-21swapper/909:30:5831
207049915063,87cyclictest46-21ksoftirqd/512:00:3327
206959914865,30cyclictest151rcu_preempt12:08:3726
207369914631,67cyclictest0-21swapper/911:58:0331
207369914628,71cyclictest0-21swapper/911:13:0331
207369914620,89cyclictest0-21swapper/908:04:5631
206809914651,92cyclictest0-21swapper/209:39:2412
206809914651,92cyclictest0-21swapper/209:39:2312
207369914529,79cyclictest0-21swapper/909:10:2431
207369914529,79cyclictest0-21swapper/909:10:2431
207369914432,60cyclictest0-21swapper/911:37:3831
20670991447,94cyclictest0-21swapper/011:22:560
20736991421,88cyclictest0-21swapper/912:01:4131
20670991420,79cyclictest0-21swapper/010:16:030
208929914128,58cyclictest0-21swapper/3109:40:2525
20704991400,84cyclictest0-21swapper/511:32:4627
20670991397,92cyclictest0-21swapper/011:15:240
20670991397,86cyclictest0-21swapper/012:22:110
20808991370,80cyclictest0-21swapper/1910:45:2611
207939913729,80cyclictest0-21swapper/1711:38:229
207369913728,65cyclictest0-21swapper/909:52:3831
207369913728,65cyclictest0-21swapper/909:52:3831
207369913629,25cyclictest0-21swapper/909:36:5131
207369913629,25cyclictest0-21swapper/909:36:5131
208369913427,77cyclictest155-21ksoftirqd/2307:50:1216
208369913426,63cyclictest0-21swapper/2312:37:1216
207939913428,74cyclictest0-21swapper/1707:48:309
207939913427,75cyclictest0-21swapper/1711:53:489
20892991330,74cyclictest0-21swapper/3110:00:1225
20892991330,74cyclictest0-21swapper/3110:00:1225
208369913344,58cyclictest0-21swapper/2307:35:0816
208369913328,61cyclictest0-21swapper/2312:15:1716
208369913327,69cyclictest0-21swapper/2311:49:0516
208369913324,66cyclictest0-21swapper/2312:02:2816
207939913332,68cyclictest0-21swapper/1708:55:509
207939913332,68cyclictest0-21swapper/1708:55:509
207939913330,81cyclictest0-21swapper/1709:01:099
207939913330,81cyclictest0-21swapper/1709:01:099
207939913330,69cyclictest0-21swapper/1712:20:009
207939913330,66cyclictest0-21swapper/1710:27:459
207939913327,70cyclictest0-21swapper/1712:02:229
193772133126,6sleep130-21swapper/1307:08:395
20892991320,81cyclictest0-21swapper/3109:27:5025
20892991320,81cyclictest0-21swapper/3109:27:5025
208369913229,64cyclictest0-21swapper/2310:33:0516
207939913251,54cyclictest0-21swapper/1709:39:079
207939913251,54cyclictest0-21swapper/1709:39:079
207939913251,53cyclictest0-21swapper/1709:54:059
207939913251,53cyclictest0-21swapper/1709:54:049
207939913250,61cyclictest0-21swapper/1712:29:059
207939913228,74cyclictest0-21swapper/1707:38:539
207939913228,73cyclictest0-21swapper/1709:56:459
207939913228,73cyclictest0-21swapper/1709:56:459
207939913228,69cyclictest0-21swapper/1711:12:399
207939913226,68cyclictest0-21swapper/1708:12:019
20670991327,73cyclictest0-21swapper/009:57:490
20670991327,73cyclictest0-21swapper/009:57:480
208369913143,55cyclictest0-21swapper/2309:23:1016
208369913125,62cyclictest0-21swapper/2307:19:4416
207939913129,73cyclictest0-21swapper/1710:50:149
207939913129,68cyclictest0-21swapper/1710:43:479
207939913128,71cyclictest0-21swapper/1711:34:379
207939913126,71cyclictest0-21swapper/1707:28:129
20695991310,72cyclictest0-21swapper/409:20:3226
206809913133,13cyclictest0-21swapper/210:26:5812
208369913049,59cyclictest0-21swapper/2308:50:0216
208369913049,59cyclictest0-21swapper/2308:50:0216
208369913034,73cyclictest0-21swapper/2308:46:4416
208369913025,72cyclictest0-21swapper/2311:33:0416
207939913031,63cyclictest0-21swapper/1707:18:519
207939913030,77cyclictest0-21swapper/1709:47:079
207939913030,77cyclictest0-21swapper/1709:47:079
207939913030,77cyclictest0-21swapper/1709:17:129
207939913030,77cyclictest0-21swapper/1709:17:129
207939913029,76cyclictest0-21swapper/1708:26:589
207939913029,72cyclictest0-21swapper/1710:22:579
207939913029,72cyclictest0-21swapper/1709:12:249
207939913029,72cyclictest0-21swapper/1709:12:249
207939913028,66cyclictest0-21swapper/1709:33:149
207939913028,66cyclictest0-21swapper/1709:33:149
207939913024,67cyclictest0-21swapper/1709:20:579
208369912958,64cyclictest0-21swapper/2309:49:2216
208369912958,64cyclictest0-21swapper/2309:49:2216
208369912935,59cyclictest0-21swapper/2307:24:3316
208369912930,74cyclictest0-21swapper/2309:56:1816
208369912930,74cyclictest0-21swapper/2309:56:1816
208369912929,66cyclictest0-21swapper/2309:00:1216
208369912929,66cyclictest0-21swapper/2309:00:1216
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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