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2026-09-03 - 16:25
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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 Thu Sep 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2644821820,5sleep026454-21gltestperf09:31:490
1068911080,3ptp4l401ktimersoftd/309:31:583
106891980,1ptp4l401ktimersoftd/313:33:013
106891980,1ptp4l401ktimersoftd/313:33:013
243232850,4sleep22818199cyclictest14:23:132
106891730,1ptp4l401ktimersoftd/314:59:293
106891730,1ptp4l401ktimersoftd/313:56:443
106891730,1ptp4l401ktimersoftd/312:31:063
106891710,1ptp4l401ktimersoftd/312:52:583
106891690,10ptp4l401ktimersoftd/314:23:023
150892660,5sleep02816699cyclictest12:34:510
142792660,2sleep00-21swapper/010:11:500
274462580,5sleep327448-21fschecks_time11:41:503
274462580,5sleep327448-21fschecks_time11:41:503
106891580,1ptp4l401ktimersoftd/313:39:353
27452570,2sleep10-21swapper/111:49:191
27452570,2sleep10-21swapper/111:49:191
106891570,1ptp4l401ktimersoftd/312:00:473
186412540,2sleep20-21swapper/213:11:552
106891540,1ptp4l401ktimersoftd/312:15:013
28172994820,9cyclictest25-21ksoftirqd/113:02:491
28172994820,6cyclictest25-21ksoftirqd/114:33:591
28172994820,10cyclictest25-21ksoftirqd/113:39:251
28172994817,9cyclictest25-21ksoftirqd/114:39:261
106891480,1ptp4l401ktimersoftd/310:15:403
28172994719,10cyclictest25-21ksoftirqd/111:59:281
28172994718,9cyclictest25-21ksoftirqd/114:09:401
28172994718,9cyclictest25-21ksoftirqd/112:22:521
28172994619,8cyclictest25-21ksoftirqd/112:43:151
28172994520,9cyclictest25-21ksoftirqd/115:06:211
28172994520,9cyclictest25-21ksoftirqd/112:53:151
28172994518,8cyclictest25-21ksoftirqd/113:57:401
28172994518,6cyclictest25-21ksoftirqd/113:18:351
2817299450,10cyclictest25-21ksoftirqd/113:41:591
28172994419,7cyclictest25-21ksoftirqd/113:24:451
28181994337,3cyclictest33-21ksoftirqd/213:31:422
28181994337,3cyclictest33-21ksoftirqd/213:31:422
28172994318,9cyclictest25-21ksoftirqd/114:50:401
2817299424,6cyclictest25-21ksoftirqd/112:08:131
28172994221,9cyclictest25-21ksoftirqd/112:04:041
28172994219,7cyclictest25-21ksoftirqd/111:55:391
28172994219,4cyclictest25-21ksoftirqd/112:14:461
28172994219,10cyclictest25-21ksoftirqd/113:53:391
28172994217,9cyclictest25-21ksoftirqd/113:10:581
28172994217,9cyclictest25-21ksoftirqd/112:59:081
28172994217,9cyclictest25-21ksoftirqd/111:39:251
28172994217,10cyclictest25-21ksoftirqd/111:45:431
28172994217,10cyclictest25-21ksoftirqd/111:45:431
28172994216,10cyclictest25-21ksoftirqd/113:11:411
28172994216,10cyclictest25-21ksoftirqd/112:32:521
28172994215,6cyclictest25-21ksoftirqd/110:41:481
106891420,1ptp4l401ktimersoftd/315:03:223
28172994117,9cyclictest25-21ksoftirqd/112:38:451
28172994115,9cyclictest25-21ksoftirqd/112:26:401
2817299403,5cyclictest25-21ksoftirqd/114:24:101
2817299402,6cyclictest25-21ksoftirqd/113:35:421
2817299402,6cyclictest25-21ksoftirqd/113:35:421
28172994020,8cyclictest25-21ksoftirqd/114:04:101
28172994019,9cyclictest25-21ksoftirqd/114:43:301
28172994016,9cyclictest25-21ksoftirqd/112:20:341
106891400,1ptp4l401ktimersoftd/313:54:383
106891400,1ptp4l401ktimersoftd/312:02:503
106891400,1ptp4l401ktimersoftd/311:50:213
106891400,1ptp4l401ktimersoftd/311:50:213
106891400,0ptp4l401ktimersoftd/310:36:563
2817299392,5cyclictest25-21ksoftirqd/113:27:081
2817299392,5cyclictest25-21ksoftirqd/113:27:081
28172993915,6cyclictest25-21ksoftirqd/114:58:151
106891390,1ptp4l401ktimersoftd/314:44:163
106891390,1ptp4l401ktimersoftd/313:11:073
106891390,1ptp4l401ktimersoftd/312:51:173
2817299384,7cyclictest25-21ksoftirqd/114:52:071
28172993819,9cyclictest25-21ksoftirqd/114:17:061
2817299381,6cyclictest25-21ksoftirqd/110:21:581
28172993816,9cyclictest25-21ksoftirqd/114:30:371
28172993810,6cyclictest25-21ksoftirqd/113:49:041
106891380,1ptp4l401ktimersoftd/314:32:353
106891380,1ptp4l401ktimersoftd/313:23:053
106891380,1ptp4l401ktimersoftd/312:33:413
106891380,1ptp4l401ktimersoftd/312:22:373
106891380,1ptp4l401ktimersoftd/311:52:273
28189993727,5cyclictest41-21ksoftirqd/313:16:483
28172993733,2cyclictest231rcuc/110:46:581
2817299372,5cyclictest25-21ksoftirqd/111:02:021
2817299372,5cyclictest25-21ksoftirqd/110:31:561
28172993721,7cyclictest25-21ksoftirqd/114:12:281
2817299371,6cyclictest25-21ksoftirqd/110:06:511
2817299370,5cyclictest25-21ksoftirqd/112:47:001
276902370,5sleep233-21ksoftirqd/214:26:592
106891370,1ptp4l401ktimersoftd/314:53:053
106891370,1ptp4l401ktimersoftd/314:48:383
106891370,1ptp4l401ktimersoftd/314:40:083
106891370,1ptp4l401ktimersoftd/314:17:213
106891370,1ptp4l401ktimersoftd/314:15:323
106891370,1ptp4l401ktimersoftd/314:09:433
106891370,1ptp4l401ktimersoftd/314:02:343
106891370,1ptp4l401ktimersoftd/313:49:023
106891370,1ptp4l401ktimersoftd/313:26:533
106891370,1ptp4l401ktimersoftd/313:26:533
106891370,1ptp4l401ktimersoftd/313:02:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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