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2026-08-19 - 20:15
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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 Aug 19, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911790,5ptp4l401ktimersoftd/309:27:483
1721121370,5sleep1424799cyclictest09:53:301
106891800,13ptp4l401ktimersoftd/314:54:083
106891730,1ptp4l401ktimersoftd/314:25:283
106891680,1ptp4l401ktimersoftd/312:32:263
51732660,1sleep00-21swapper/012:40:470
38602634,10sleep00-21swapper/009:24:410
106891630,1ptp4l401ktimersoftd/313:52:023
106891570,1ptp4l401ktimersoftd/311:51:273
106891560,1ptp4l401ktimersoftd/313:30:523
106891550,1ptp4l401ktimersoftd/314:11:073
45682530,2sleep00-21swapper/012:08:180
209602530,2sleep00-21swapper/013:29:250
106891530,1ptp4l401ktimersoftd/314:32:463
4247995244,4cyclictest25-21ksoftirqd/111:43:301
106891460,1ptp4l401ktimersoftd/313:18:113
106891460,0ptp4l401ktimersoftd/313:00:373
4247994334,3cyclictest25-21ksoftirqd/113:28:331
4247994130,4cyclictest25-21ksoftirqd/110:08:271
106891410,1ptp4l401ktimersoftd/312:14:423
106891400,0ptp4l401ktimersoftd/311:48:183
4247993929,4cyclictest25-21ksoftirqd/111:48:321
4247993928,5cyclictest25-21ksoftirqd/113:03:341
106891390,1ptp4l401ktimersoftd/312:04:313
106891380,1ptp4l401ktimersoftd/312:10:393
106891380,1ptp4l401ktimersoftd/312:10:393
106891380,1ptp4l401ktimersoftd/311:28:273
106891380,0ptp4l401ktimersoftd/314:52:273
106891370,1ptp4l401ktimersoftd/314:35:513
106891370,1ptp4l401ktimersoftd/314:15:483
106891370,1ptp4l401ktimersoftd/313:34:043
106891370,1ptp4l401ktimersoftd/313:24:113
106891370,1ptp4l401ktimersoftd/313:18:553
106891370,1ptp4l401ktimersoftd/313:07:363
106891370,1ptp4l401ktimersoftd/312:22:193
106891370,1ptp4l401ktimersoftd/311:37:543
106891370,1ptp4l401ktimersoftd/310:18:393
106891370,1ptp4l401ktimersoftd/309:34:303
106891370,0ptp4l401ktimersoftd/314:22:293
106891370,0ptp4l401ktimersoftd/312:25:093
106891370,0ptp4l401ktimersoftd/312:01:493
4247993624,6cyclictest25-21ksoftirqd/110:53:281
106891360,1ptp4l401ktimersoftd/314:44:533
106891360,1ptp4l401ktimersoftd/314:00:373
106891360,1ptp4l401ktimersoftd/314:00:373
106891360,1ptp4l401ktimersoftd/312:56:453
106891360,0ptp4l401ktimersoftd/313:10:193
106891360,0ptp4l401ktimersoftd/312:50:273
106891360,0ptp4l401ktimersoftd/312:35:513
4247993527,4cyclictest25-21ksoftirqd/113:53:331
4247993527,4cyclictest25-21ksoftirqd/113:53:331
4247993524,5cyclictest25-21ksoftirqd/109:48:271
4247993522,3cyclictest25-21ksoftirqd/111:13:341
106891350,2ptp4l12740-21kworker/3:114:42:193
106891350,13ptp4l401ktimersoftd/314:04:273
106891350,12ptp4l401ktimersoftd/311:08:373
106891350,0ptp4l401ktimersoftd/312:41:083
106891350,0ptp4l401ktimersoftd/310:09:113
106891350,0ptp4l401ktimersoftd/309:43:013
4247993429,3cyclictest25-21ksoftirqd/112:18:191
4247993421,10cyclictest25-21ksoftirqd/110:58:461
106891340,2ptp4l12740-21kworker/3:113:43:363
106891340,1ptp4l401ktimersoftd/313:53:493
106891340,1ptp4l401ktimersoftd/313:53:493
4247993328,3cyclictest25-21ksoftirqd/112:23:191
4247993327,3cyclictest25-21ksoftirqd/112:03:501
106891330,2ptp4l27613-21kworker/3:211:54:483
106891330,0ptp4l401ktimersoftd/313:38:223
4247993227,3cyclictest25-21ksoftirqd/111:58:181
4247993219,10cyclictest25-21ksoftirqd/113:08:391
106891320,1ptp4l401ktimersoftd/312:43:233
4247993121,5cyclictest25-21ksoftirqd/113:43:341
4247993120,5cyclictest25-21ksoftirqd/110:48:281
32502312,17sleep23346-21sendmail_mailqu09:23:392
106891310,9ptp4l401ktimersoftd/311:42:193
106891310,1ptp4l401ktimersoftd/311:16:283
106891310,10ptp4l401ktimersoftd/311:04:333
106891310,0ptp4l401ktimersoftd/310:45:063
4247993025,3cyclictest25-21ksoftirqd/112:58:201
4247993025,3cyclictest25-21ksoftirqd/110:18:461
4247993025,3cyclictest25-21ksoftirqd/109:43:161
4247993024,3cyclictest25-21ksoftirqd/113:48:341
4247993024,3cyclictest25-21ksoftirqd/113:38:381
4247993024,3cyclictest25-21ksoftirqd/112:38:201
4247993024,3cyclictest25-21ksoftirqd/112:08:351
4247993024,3cyclictest25-21ksoftirqd/112:08:351
4247993021,7cyclictest25-21ksoftirqd/114:33:531
4247993014,5cyclictest25-21ksoftirqd/113:58:511
4247993014,5cyclictest25-21ksoftirqd/113:58:511
106891300,0ptp4l401ktimersoftd/310:53:593
4256992923,3cyclictest33-21ksoftirqd/214:18:222
425699290,26cyclictest25904-21fschecks_time11:18:332
4247992924,3cyclictest25-21ksoftirqd/114:23:221
4247992924,3cyclictest25-21ksoftirqd/114:08:361
4247992924,3cyclictest25-21ksoftirqd/114:03:311
4247992924,3cyclictest25-21ksoftirqd/112:53:201
4247992924,3cyclictest25-21ksoftirqd/112:38:371
4247992924,3cyclictest25-21ksoftirqd/112:23:361
4247992924,3cyclictest25-21ksoftirqd/110:13:341
4247992924,3cyclictest25-21ksoftirqd/109:48:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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