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2026-04-01 - 19:15
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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 Wed Apr 01, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44121620,5sleep31901699cyclictest11:03:583
106891950,36ptp4l401ktimersoftd/308:10:423
106891730,1ptp4l401ktimersoftd/312:32:093
106891720,10ptp4l401ktimersoftd/311:58:283
106891710,1ptp4l401ktimersoftd/312:49:063
106891700,1ptp4l401ktimersoftd/313:28:433
106891690,1ptp4l401ktimersoftd/311:26:423
30612670,2sleep10-21swapper/108:41:161
185312654,10sleep00-21swapper/008:06:410
88282640,2sleep10-21swapper/113:24:041
106891610,1ptp4l401ktimersoftd/313:19:453
149172580,2sleep00-21swapper/011:18:210
149392570,5sleep21900799cyclictest10:46:152
265192560,1sleep10-21swapper/113:09:231
191592560,4sleep1231rcuc/110:16:311
65742550,2sleep3391rcuc/309:56:253
187612544,37sleep20-21swapper/208:09:422
102022540,5sleep11900399cyclictest11:13:441
19003995321,9cyclictest25-21ksoftirqd/112:19:421
73562520,2sleep00-21swapper/012:50:270
251582510,2sleep20-21swapper/213:07:032
19003995021,9cyclictest25-21ksoftirqd/110:55:341
19003995018,9cyclictest25-21ksoftirqd/113:04:171
106312500,5sleep31901699cyclictest10:41:183
51832490,1sleep20-21swapper/212:46:432
29242490,1sleep10-21swapper/110:33:491
19003994920,9cyclictest25-21ksoftirqd/112:22:061
19003994920,9cyclictest25-21ksoftirqd/110:24:101
19003994919,9cyclictest25-21ksoftirqd/113:17:081
19003994824,10cyclictest25-21ksoftirqd/110:26:191
19003994822,6cyclictest25-21ksoftirqd/113:31:251
19003994820,11cyclictest25-21ksoftirqd/110:14:521
19003994820,10cyclictest25-21ksoftirqd/110:38:261
19003994819,11cyclictest25-21ksoftirqd/113:37:291
63822470,2sleep20-21swapper/213:21:202
19003994721,7cyclictest25-21ksoftirqd/109:36:101
19003994720,11cyclictest25-21ksoftirqd/112:57:421
19003994719,11cyclictest25-21ksoftirqd/112:52:141
19003994717,10cyclictest25-21ksoftirqd/112:50:541
19003994619,10cyclictest25-21ksoftirqd/112:32:351
19003994619,10cyclictest25-21ksoftirqd/112:10:461
1900399458,6cyclictest25-21ksoftirqd/112:26:141
19003994520,7cyclictest25-21ksoftirqd/112:45:481
19003994520,4cyclictest25-21ksoftirqd/111:01:011
1900399449,5cyclictest25-21ksoftirqd/108:39:381
19003994420,7cyclictest25-21ksoftirqd/112:13:021
19003994419,7cyclictest25-21ksoftirqd/109:56:161
19003994314,8cyclictest25-21ksoftirqd/110:47:171
1900399423,6cyclictest25-21ksoftirqd/111:46:201
19003994216,10cyclictest25-21ksoftirqd/113:26:071
1900399414,6cyclictest25-21ksoftirqd/109:11:231
19003994116,9cyclictest25-21ksoftirqd/113:15:291
19003994116,9cyclictest25-21ksoftirqd/113:15:291
19016994014,4cyclictest19139-21sh13:01:193
1900399404,5cyclictest25-21ksoftirqd/109:06:191
1900399403,7cyclictest25-21ksoftirqd/111:41:201
19003994036,2cyclictest231rcuc/110:57:481
1900399402,6cyclictest25-21ksoftirqd/112:05:111
19003994019,10cyclictest25-21ksoftirqd/110:06:091
106891400,1ptp4l401ktimersoftd/311:21:133
106891400,1ptp4l401ktimersoftd/311:21:133
1900399394,6cyclictest25-21ksoftirqd/110:41:401
1900399392,6cyclictest25-21ksoftirqd/108:46:051
19003993922,8cyclictest25-21ksoftirqd/108:20:541
143291390,1getstats0-21swapper/311:42:373
106891390,1ptp4l401ktimersoftd/312:39:313
106891390,1ptp4l401ktimersoftd/312:08:013
106891390,1ptp4l401ktimersoftd/310:58:503
19016993813,3cyclictest27950-21cat11:31:183
1900399383,5cyclictest25-21ksoftirqd/110:01:151
1900399380,6cyclictest25-21ksoftirqd/112:36:131
106891380,1ptp4l401ktimersoftd/313:37:133
106891380,1ptp4l401ktimersoftd/313:34:053
106891380,1ptp4l401ktimersoftd/313:25:093
106891380,1ptp4l401ktimersoftd/312:43:303
106891380,1ptp4l401ktimersoftd/310:21:183
1900399374,6cyclictest25-21ksoftirqd/111:36:491
1900399374,6cyclictest25-21ksoftirqd/108:11:161
1900399372,5cyclictest25-21ksoftirqd/112:00:071
19003993719,8cyclictest25-21ksoftirqd/109:46:151
19003993719,8cyclictest25-21ksoftirqd/109:46:151
19003993718,10cyclictest25-21ksoftirqd/109:30:491
106891370,1ptp4l401ktimersoftd/313:14:003
106891370,1ptp4l401ktimersoftd/313:14:003
106891370,1ptp4l401ktimersoftd/313:08:313
106891370,1ptp4l401ktimersoftd/312:56:443
106891370,1ptp4l401ktimersoftd/312:53:063
106891370,1ptp4l401ktimersoftd/312:12:393
106891370,1ptp4l401ktimersoftd/311:49:353
106891370,1ptp4l401ktimersoftd/311:12:023
106891370,1ptp4l401ktimersoftd/310:53:033
106891370,1ptp4l401ktimersoftd/310:49:373
106891370,1ptp4l401ktimersoftd/310:32:223
106891370,1ptp4l401ktimersoftd/310:26:423
106891370,1ptp4l401ktimersoftd/310:18:043
106891370,0ptp4l401ktimersoftd/310:12:533
19016993613,3cyclictest20084-21cat09:16:253
19016993611,4cyclictest5241-21cat10:36:143
1900399364,6cyclictest25-21ksoftirqd/109:01:181
183302360,2sleep20-21swapper/213:01:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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