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2026-04-13 - 06:29
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Mon Apr 13, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911110,4ptp4l401ktimersoftd/320:12:413
35872680,2sleep13591-21sed20:32:431
28202630,5sleep02648299cyclictest00:43:110
141692620,1sleep00-21swapper/000:55:480
196702600,1sleep00-21swapper/022:17:250
309802590,2sleep10-21swapper/123:01:301
26486995930,3cyclictest25-21ksoftirqd/101:32:511
112292580,1sleep10-21swapper/122:41:391
282802560,4sleep09-21ksoftirqd/000:03:400
26486995650,3cyclictest25-21ksoftirqd/123:02:321
26494995541,8cyclictest33-21ksoftirqd/201:42:372
258462550,5sleep233-21ksoftirqd/220:12:472
26486995345,4cyclictest25-21ksoftirqd/121:32:301
26486995246,3cyclictest25-21ksoftirqd/100:57:361
26486995042,4cyclictest25-21ksoftirqd/121:12:291
26494994836,6cyclictest33-21ksoftirqd/201:02:352
26486994827,3cyclictest25-21ksoftirqd/123:37:321
26486994823,5cyclictest25-21ksoftirqd/101:17:511
26486994821,15cyclictest25-21ksoftirqd/122:02:411
26494994734,7cyclictest33-21ksoftirqd/200:22:372
26486994723,4cyclictest25-21ksoftirqd/122:07:341
26486994718,8cyclictest25-21ksoftirqd/100:17:501
26486994621,4cyclictest25-21ksoftirqd/121:42:181
26486994618,7cyclictest25-21ksoftirqd/121:12:171
26486994617,5cyclictest25-21ksoftirqd/121:52:471
2648699454,3cyclictest25-21ksoftirqd/122:57:201
26486994534,3cyclictest25-21ksoftirqd/121:17:371
26486994526,3cyclictest25-21ksoftirqd/100:47:221
26486994518,4cyclictest25-21ksoftirqd/123:27:391
26486994518,4cyclictest25-21ksoftirqd/123:27:391
26494994429,3cyclictest33-21ksoftirqd/223:47:342
2648699444,4cyclictest25-21ksoftirqd/122:42:391
26486994428,3cyclictest25-21ksoftirqd/100:22:481
26486994421,4cyclictest25-21ksoftirqd/100:37:431
26486994419,4cyclictest25-21ksoftirqd/123:48:391
26486994418,8cyclictest25-21ksoftirqd/100:02:451
26486994332,8cyclictest25-21ksoftirqd/123:47:201
26486994321,7cyclictest25-21ksoftirqd/123:21:491
26486994318,4cyclictest25-21ksoftirqd/121:22:181
26486994315,5cyclictest25-21ksoftirqd/121:32:171
2648699431,3cyclictest121rcu_preempt01:27:231
2650099420,4cyclictest15387-21taskset00:23:123
2648699423,7cyclictest25-21ksoftirqd/120:42:171
26486994232,3cyclictest25-21ksoftirqd/101:37:361
26486994232,3cyclictest25-21ksoftirqd/101:27:461
26486994232,3cyclictest25-21ksoftirqd/101:07:441
26486994232,3cyclictest25-21ksoftirqd/101:07:441
26486994219,4cyclictest25-21ksoftirqd/122:17:401
26486994219,3cyclictest25-21ksoftirqd/100:34:031
266692410,1sleep30-21swapper/300:02:393
2648699413,3cyclictest25-21ksoftirqd/122:27:361
26486994119,7cyclictest25-21ksoftirqd/100:07:491
26486994117,7cyclictest25-21ksoftirqd/122:02:181
26494994030,5cyclictest33-21ksoftirqd/200:52:342
26486994030,3cyclictest25-21ksoftirqd/120:22:371
26486994018,7cyclictest25-21ksoftirqd/100:49:111
26486994017,7cyclictest25-21ksoftirqd/121:42:451
26486994017,4cyclictest25-21ksoftirqd/122:14:401
26486994017,4cyclictest25-21ksoftirqd/100:27:501
26486994016,7cyclictest25-21ksoftirqd/100:52:331
26486994013,10cyclictest25-21ksoftirqd/122:22:411
26486994010,8cyclictest25-21ksoftirqd/101:02:361
26482994030,6cyclictest9-21ksoftirqd/023:57:340
26486993932,4cyclictest25-21ksoftirqd/122:32:311
26486993922,4cyclictest25-21ksoftirqd/100:12:331
26486993919,7cyclictest25-21ksoftirqd/120:17:381
26482993933,3cyclictest9-21ksoftirqd/022:42:310
119792390,3sleep30-21swapper/323:14:133
106891390,1ptp4l401ktimersoftd/323:02:553
2650099381,29cyclictest11277-21apt-get23:47:343
2650099380,3cyclictest25052-21ssh00:01:323
2648699384,4cyclictest25-21ksoftirqd/123:07:371
26486993828,3cyclictest25-21ksoftirqd/120:27:261
26486993816,4cyclictest25-21ksoftirqd/120:42:321
26486993812,10cyclictest25-21ksoftirqd/122:47:431
2635223817,11sleep125-21ksoftirqd/120:16:581
106891380,1ptp4l401ktimersoftd/323:39:513
106891380,1ptp4l401ktimersoftd/323:33:093
106891380,1ptp4l401ktimersoftd/323:23:463
106891380,1ptp4l401ktimersoftd/323:23:463
106891380,1ptp4l401ktimersoftd/323:09:023
106891380,1ptp4l401ktimersoftd/322:48:193
106891380,1ptp4l401ktimersoftd/322:20:593
106891380,1ptp4l401ktimersoftd/301:15:033
106891380,1ptp4l401ktimersoftd/300:52:593
106891380,1ptp4l401ktimersoftd/300:40:353
106891380,1ptp4l401ktimersoftd/300:33:013
106891380,1ptp4l401ktimersoftd/300:32:053
106891380,1ptp4l401ktimersoftd/300:18:073
106891380,1ptp4l401ktimersoftd/300:08:523
106891380,0ptp4l401ktimersoftd/323:31:313
106891380,0ptp4l401ktimersoftd/323:31:313
2650099371,27cyclictest20401-21apt-get01:02:353
2650099371,27cyclictest12834-21apt-get01:27:373
2650099370,4cyclictest9643-21grep20:47:313
26494993725,6cyclictest33-21ksoftirqd/222:07:302
2648699379,6cyclictest25-21ksoftirqd/121:47:391
2648699379,6cyclictest25-21ksoftirqd/121:47:391
26486993731,3cyclictest25-21ksoftirqd/123:52:371
26486993731,3cyclictest25-21ksoftirqd/101:42:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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