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2026-05-10 - 17:38
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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 Sun May 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165321600,5sleep21386399cyclictest13:45:292
1876821550,3sleep11385399cyclictest13:29:021
189721470,2sleep30-21swapper/310:58:033
1074321470,3sleep31386899cyclictest13:21:573
1068911040,4ptp4l401ktimersoftd/308:28:333
106891750,16ptp4l27364-21kworker/3:212:08:213
23432690,4sleep1241ktimersoftd/113:12:511
158392690,2sleep30-21swapper/311:47:343
106891670,1ptp4l401ktimersoftd/310:53:053
106891670,1ptp4l401ktimersoftd/310:53:053
136372664,10sleep00-21swapper/008:31:110
219972620,1sleep30-21swapper/312:27:253
136542624,10sleep20-21swapper/208:31:252
106891620,9ptp4l401ktimersoftd/309:12:463
106891600,1ptp4l401ktimersoftd/310:34:573
106891580,1ptp4l401ktimersoftd/312:52:583
250442570,2sleep00-21swapper/013:02:510
39542560,2sleep10-21swapper/112:42:081
39542560,2sleep10-21swapper/112:42:081
106891520,10ptp4l401ktimersoftd/312:28:473
36142510,4sleep03613-21sed12:07:500
13853995121,9cyclictest25-21ksoftirqd/113:41:491
13853995121,9cyclictest25-21ksoftirqd/112:00:191
13853995120,9cyclictest25-21ksoftirqd/113:19:131
13853995120,10cyclictest25-21ksoftirqd/113:04:491
13853995023,7cyclictest25-21ksoftirqd/112:27:511
13853995021,11cyclictest25-21ksoftirqd/111:43:501
13853994920,11cyclictest25-21ksoftirqd/111:38:381
13853994919,9cyclictest25-21ksoftirqd/113:23:411
13853994918,9cyclictest25-21ksoftirqd/110:37:081
106891490,14ptp4l11862-21kworker/3:210:52:243
13853994820,10cyclictest25-21ksoftirqd/113:11:071
13853994819,9cyclictest25-21ksoftirqd/112:03:081
13848994828,11cyclictest7236-21diskmemload11:42:440
116852480,2sleep00-21swapper/012:48:210
106891480,1ptp4l401ktimersoftd/312:14:393
13853994719,11cyclictest25-21ksoftirqd/111:33:061
1385399465,7cyclictest22754-21tr10:47:451
13853994620,10cyclictest25-21ksoftirqd/113:00:031
13853994618,11cyclictest25-21ksoftirqd/112:19:491
106891460,1ptp4l401ktimersoftd/313:46:183
106891460,1ptp4l401ktimersoftd/311:49:493
13853994519,5cyclictest25-21ksoftirqd/108:42:481
106891450,2ptp4l11862-21kworker/3:210:41:203
1385399449,6cyclictest25-21ksoftirqd/109:27:531
13853994422,9cyclictest25-21ksoftirqd/113:54:401
1385399438,5cyclictest25-21ksoftirqd/109:44:011
1385399433,6cyclictest25-21ksoftirqd/110:44:001
13853994316,10cyclictest25-21ksoftirqd/113:43:321
1385399423,7cyclictest25-21ksoftirqd/112:46:261
13853994218,9cyclictest25-21ksoftirqd/110:39:431
13853994217,9cyclictest25-21ksoftirqd/111:55:411
13853994216,10cyclictest25-21ksoftirqd/114:00:051
13853994215,9cyclictest25-21ksoftirqd/111:15:401
13853994215,8cyclictest25-21ksoftirqd/111:10:161
13853994215,10cyclictest25-21ksoftirqd/112:54:301
106891420,1ptp4l401ktimersoftd/311:07:383
13853994120,8cyclictest25-21ksoftirqd/111:48:141
13853994120,10cyclictest25-21ksoftirqd/108:32:571
13853994116,9cyclictest25-21ksoftirqd/111:18:261
13853994116,10cyclictest25-21ksoftirqd/111:31:291
1385399411,5cyclictest25-21ksoftirqd/112:47:571
13853994115,8cyclictest25-21ksoftirqd/112:17:161
1385399404,5cyclictest25-21ksoftirqd/111:02:091
1385399403,6cyclictest25-21ksoftirqd/112:23:591
1385399402,5cyclictest25-21ksoftirqd/112:11:051
13853994020,9cyclictest25-21ksoftirqd/111:05:471
1385399401,6cyclictest25-21ksoftirqd/112:33:031
1385399401,6cyclictest25-21ksoftirqd/109:32:431
13853994014,8cyclictest25-21ksoftirqd/111:24:181
106891400,3ptp4l27364-21kworker/3:212:02:493
106891400,1ptp4l401ktimersoftd/308:47:513
1385399392,6cyclictest25-21ksoftirqd/113:35:331
13853993922,9cyclictest25-21ksoftirqd/113:47:561
13853993918,8cyclictest25-21ksoftirqd/109:12:131
13853993918,8cyclictest25-21ksoftirqd/109:12:131
1385399391,7cyclictest25-21ksoftirqd/109:42:311
1385399391,5cyclictest25-21ksoftirqd/110:56:531
1385399391,5cyclictest25-21ksoftirqd/110:56:531
1385399390,6cyclictest25-21ksoftirqd/108:52:471
106891390,1ptp4l401ktimersoftd/313:10:113
106891390,1ptp4l401ktimersoftd/311:25:373
106891390,1ptp4l401ktimersoftd/311:20:123
106891390,1ptp4l401ktimersoftd/309:22:463
1385399386,6cyclictest18633-21taskset09:47:441
1385399384,6cyclictest25-21ksoftirqd/110:32:311
106891380,1ptp4l401ktimersoftd/313:31:523
106891380,1ptp4l401ktimersoftd/313:15:183
106891380,1ptp4l401ktimersoftd/312:17:593
106891380,1ptp4l401ktimersoftd/311:06:433
106891380,1ptp4l401ktimersoftd/310:17:473
106891380,0ptp4l401ktimersoftd/313:37:223
106891380,0ptp4l401ktimersoftd/313:26:133
1385399373,6cyclictest25-21ksoftirqd/110:12:481
1385399372,6cyclictest25-21ksoftirqd/108:37:501
1385399372,5cyclictest25-21ksoftirqd/110:18:061
13853993716,10cyclictest25-21ksoftirqd/109:13:011
1385399370,6cyclictest25-21ksoftirqd/109:22:461
1385399370,5cyclictest25-21ksoftirqd/110:22:521
106891370,1ptp4l401ktimersoftd/313:49:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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