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2026-07-02 - 21:35
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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 Jul 02, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911060,4ptp4l401ktimersoftd/309:00:033
106891670,1ptp4l401ktimersoftd/309:37:043
106891650,1ptp4l401ktimersoftd/314:25:183
106891650,1ptp4l401ktimersoftd/314:25:183
259742620,2sleep00-21swapper/012:47:080
136212620,2sleep10-21swapper/114:12:131
106891560,1ptp4l401ktimersoftd/313:21:143
37062550,4sleep13698-21ssh11:52:011
190452550,3sleep0101ktimersoftd/009:52:080
72982530,2sleep30-21swapper/310:37:033
251492504,35sleep10-21swapper/108:59:411
106891480,14ptp4l683-21kworker/3:113:14:563
63622470,2sleep00-21swapper/009:26:590
106891460,0ptp4l401ktimersoftd/312:45:213
106891460,0ptp4l401ktimersoftd/312:45:213
106891430,1ptp4l401ktimersoftd/313:26:323
106891420,1ptp4l401ktimersoftd/311:52:003
106891410,1ptp4l401ktimersoftd/309:12:193
2511524019,11sleep09-21ksoftirqd/008:59:160
106891400,1ptp4l401ktimersoftd/311:17:143
106891390,1ptp4l401ktimersoftd/314:10:333
106891390,1ptp4l401ktimersoftd/313:47:403
106891390,1ptp4l401ktimersoftd/312:48:493
106891390,1ptp4l401ktimersoftd/311:42:013
106891390,1ptp4l401ktimersoftd/311:31:423
106891380,1ptp4l401ktimersoftd/314:27:013
106891380,1ptp4l401ktimersoftd/314:00:133
106891380,1ptp4l401ktimersoftd/313:42:503
106891380,1ptp4l401ktimersoftd/313:38:423
106891380,1ptp4l401ktimersoftd/313:11:093
106891380,1ptp4l401ktimersoftd/312:52:153
106891380,1ptp4l401ktimersoftd/311:57:493
106891380,1ptp4l401ktimersoftd/310:02:143
106891380,1ptp4l401ktimersoftd/309:07:163
106891380,1ptp4l401ktimersoftd/309:07:163
106891380,0ptp4l401ktimersoftd/314:20:483
106891380,0ptp4l401ktimersoftd/314:20:483
106891380,0ptp4l401ktimersoftd/313:32:513
2510723713,12sleep233-21ksoftirqd/208:59:102
106891370,1ptp4l401ktimersoftd/314:14:193
106891370,1ptp4l401ktimersoftd/314:04:463
106891370,1ptp4l401ktimersoftd/313:29:583
106891370,1ptp4l401ktimersoftd/312:57:383
106891370,1ptp4l401ktimersoftd/312:32:493
106891370,1ptp4l401ktimersoftd/312:30:123
106891370,1ptp4l401ktimersoftd/312:14:373
106891370,1ptp4l401ktimersoftd/312:08:573
106891370,1ptp4l401ktimersoftd/312:02:393
106891370,1ptp4l401ktimersoftd/311:47:303
106891370,1ptp4l401ktimersoftd/311:36:433
106891370,1ptp4l401ktimersoftd/311:09:333
106891370,1ptp4l401ktimersoftd/311:01:563
106891370,0ptp4l401ktimersoftd/313:05:143
106891370,0ptp4l401ktimersoftd/312:25:103
106891370,0ptp4l401ktimersoftd/311:25:463
106891360,1ptp4l401ktimersoftd/313:54:103
106891360,1ptp4l401ktimersoftd/310:42:463
106891360,1ptp4l401ktimersoftd/309:31:583
106891360,0ptp4l401ktimersoftd/311:38:283
106891360,0ptp4l401ktimersoftd/311:12:263
25422993317,4cyclictest25-21ksoftirqd/112:47:211
106891330,2ptp4l5382-21kworker/3:109:51:533
106891330,1ptp4l401ktimersoftd/310:10:373
106891330,0ptp4l401ktimersoftd/312:38:593
106891330,0ptp4l401ktimersoftd/312:19:463
106891320,1ptp4l5382-21kworker/3:109:26:273
106891320,1ptp4l401ktimersoftd/309:29:553
147062310,3sleep09-21ksoftirqd/012:35:560
106891310,0ptp4l401ktimersoftd/310:35:093
106891310,0ptp4l401ktimersoftd/309:17:553
25431993016,4cyclictest33-21ksoftirqd/212:48:472
106891300,1ptp4l401ktimersoftd/310:47:333
106891300,1ptp4l401ktimersoftd/310:27:463
106891300,1ptp4l401ktimersoftd/310:16:153
25415992924,3cyclictest9-21ksoftirqd/014:22:110
25415992924,3cyclictest9-21ksoftirqd/014:22:110
25415992822,3cyclictest9-21ksoftirqd/010:26:350
194172280,2sleep00-21swapper/014:17:420
194172280,2sleep00-21swapper/014:17:420
106891280,1ptp4l401ktimersoftd/310:19:573
106891280,0ptp4l401ktimersoftd/309:03:113
88992270,4sleep233-21ksoftirqd/214:07:122
25431992721,3cyclictest33-21ksoftirqd/213:11:562
25431992721,3cyclictest33-21ksoftirqd/210:21:592
25422992721,3cyclictest25-21ksoftirqd/113:32:101
25422992721,3cyclictest25-21ksoftirqd/110:01:561
25415992717,4cyclictest9-21ksoftirqd/009:19:400
106891270,1ptp4l401ktimersoftd/310:01:143
106891270,1ptp4l401ktimersoftd/309:48:193
59692260,2sleep10-21swapper/110:32:151
25431992620,3cyclictest33-21ksoftirqd/214:24:102
25431992620,3cyclictest33-21ksoftirqd/214:24:102
25431992620,3cyclictest33-21ksoftirqd/211:14:322
25431992620,3cyclictest33-21ksoftirqd/210:15:002
25431992612,4cyclictest33-21ksoftirqd/213:23:122
25422992619,4cyclictest25-21ksoftirqd/110:25:451
25415992621,3cyclictest9-21ksoftirqd/012:22:170
145291261,20phc2sys14309-21cstates10:52:033
25431992520,3cyclictest33-21ksoftirqd/210:58:322
25431992520,3cyclictest33-21ksoftirqd/210:58:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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