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2026-01-10 - 18:58
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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 Sat Jan 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143921790,5sleep21902399cyclictest10:52:192
1068911040,4ptp4l401ktimersoftd/307:21:303
106891690,1ptp4l401ktimersoftd/310:41:353
106891660,2ptp4l401ktimersoftd/309:56:173
186132650,5sleep31903199cyclictest11:11:073
58192640,2sleep31903199cyclictest10:25:223
187172624,9sleep10-21swapper/107:23:341
106891590,1ptp4l401ktimersoftd/312:26:083
106891590,1ptp4l401ktimersoftd/312:26:083
106891590,1ptp4l401ktimersoftd/307:36:303
75142560,4sleep37512-21turbostat12:06:073
187512564,10sleep20-21swapper/207:23:592
106891550,7ptp4l401ktimersoftd/312:32:443
19019995322,9cyclictest25-21ksoftirqd/109:47:351
319522510,1sleep10-21swapper/111:56:301
19019995123,11cyclictest25-21ksoftirqd/112:06:381
19019995120,9cyclictest25-21ksoftirqd/109:51:461
287142500,2sleep20-21swapper/208:51:192
19019995022,5cyclictest25-21ksoftirqd/111:11:111
19019995020,8cyclictest25-21ksoftirqd/109:33:361
19019995018,8cyclictest25-21ksoftirqd/110:44:421
19019994921,11cyclictest25-21ksoftirqd/112:19:021
19019994920,11cyclictest25-21ksoftirqd/111:45:571
165012490,2sleep10-21swapper/112:14:571
106891490,1ptp4l401ktimersoftd/310:48:133
106891490,0ptp4l401ktimersoftd/311:44:223
106891490,0ptp4l401ktimersoftd/310:38:413
106891490,0ptp4l401ktimersoftd/310:38:413
19019994822,9cyclictest25-21ksoftirqd/112:36:231
19019994820,11cyclictest25-21ksoftirqd/111:23:441
19019994820,10cyclictest25-21ksoftirqd/109:37:331
19019994819,9cyclictest25-21ksoftirqd/110:37:451
19019994819,9cyclictest25-21ksoftirqd/110:37:451
19019994819,11cyclictest25-21ksoftirqd/111:46:431
106891480,1ptp4l401ktimersoftd/312:45:233
19019994719,4cyclictest25-21ksoftirqd/109:06:221
19019994719,10cyclictest25-21ksoftirqd/111:55:551
19019994719,10cyclictest25-21ksoftirqd/110:55:441
19019994621,4cyclictest25-21ksoftirqd/110:06:321
19019994618,9cyclictest25-21ksoftirqd/111:00:521
19019994541,2cyclictest231rcuc/108:36:561
19019994521,4cyclictest25-21ksoftirqd/109:30:441
19019994519,10cyclictest25-21ksoftirqd/112:41:201
19019994519,10cyclictest25-21ksoftirqd/111:29:401
19019994517,7cyclictest25-21ksoftirqd/112:29:521
19019994510,6cyclictest25-21ksoftirqd/108:49:441
19019994510,6cyclictest25-21ksoftirqd/108:49:441
19019994417,9cyclictest25-21ksoftirqd/110:20:521
19019994417,9cyclictest25-21ksoftirqd/109:45:001
19019994417,10cyclictest25-21ksoftirqd/112:50:231
19019994321,9cyclictest25-21ksoftirqd/110:22:361
19019994319,9cyclictest25-21ksoftirqd/109:16:041
1901999424,5cyclictest25-21ksoftirqd/111:03:261
19019994217,9cyclictest25-21ksoftirqd/111:06:131
19019994217,8cyclictest25-21ksoftirqd/111:37:371
19019994216,9cyclictest25-21ksoftirqd/112:22:381
19019994216,9cyclictest25-21ksoftirqd/112:22:381
19019994216,9cyclictest25-21ksoftirqd/110:13:121
1884324224,8sleep00-21swapper/007:25:100
106891420,1ptp4l401ktimersoftd/312:53:593
106891420,1ptp4l401ktimersoftd/309:12:423
19019994117,9cyclictest25-21ksoftirqd/110:28:081
19019994117,9cyclictest25-21ksoftirqd/110:28:081
19019994116,9cyclictest25-21ksoftirqd/110:03:431
19019994114,4cyclictest25-21ksoftirqd/108:14:351
19019994012,6cyclictest25-21ksoftirqd/111:31:231
106891400,1ptp4l401ktimersoftd/310:52:013
106891400,0ptp4l401ktimersoftd/309:47:093
1901999394,6cyclictest25-21ksoftirqd/110:01:001
1901999394,5cyclictest25-21ksoftirqd/108:08:161
1901999393,5cyclictest25-21ksoftirqd/109:16:321
1901999392,5cyclictest25-21ksoftirqd/107:36:211
1901999391,5cyclictest25-21ksoftirqd/112:01:251
106891390,1ptp4l401ktimersoftd/311:51:253
106891390,1ptp4l401ktimersoftd/311:31:323
106891390,1ptp4l401ktimersoftd/309:40:253
106891390,0ptp4l401ktimersoftd/312:08:183
1901999384,6cyclictest25-21ksoftirqd/107:41:301
19019993822,7cyclictest25-21ksoftirqd/110:33:541
19019993822,7cyclictest25-21ksoftirqd/110:33:541
1901999380,5cyclictest25-21ksoftirqd/112:51:261
106891380,1ptp4l401ktimersoftd/312:50:303
106891380,1ptp4l401ktimersoftd/311:56:413
106891380,1ptp4l401ktimersoftd/311:50:003
106891380,1ptp4l401ktimersoftd/310:17:443
106891380,1ptp4l401ktimersoftd/310:14:173
106891380,1ptp4l401ktimersoftd/310:07:163
106891380,1ptp4l401ktimersoftd/309:34:593
106891380,14ptp4l401ktimersoftd/309:41:303
19019993723,4cyclictest25-21ksoftirqd/109:26:041
19019993718,7cyclictest25-21ksoftirqd/111:19:331
1901999371,5cyclictest25-21ksoftirqd/108:41:181
19019993711,8cyclictest25-21ksoftirqd/110:48:211
1901999370,5cyclictest25-21ksoftirqd/112:35:021
106891370,1ptp4l401ktimersoftd/312:37:483
106891370,1ptp4l401ktimersoftd/312:20:023
106891370,1ptp4l401ktimersoftd/312:11:513
106891370,1ptp4l401ktimersoftd/311:28:273
106891370,1ptp4l401ktimersoftd/311:16:113
106891370,1ptp4l401ktimersoftd/309:51:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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