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2026-07-04 - 18:30
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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 Jul 04, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2833921640,4sleep21889299cyclictest12:57:502
2057921600,4sleep31889899cyclictest14:28:133
1068911230,8ptp4l16020-21kworker/3:209:02:393
106891720,1ptp4l401ktimersoftd/312:40:523
256312700,2sleep3391rcuc/313:27:583
37842690,5sleep11888799cyclictest11:27:321
106891690,1ptp4l401ktimersoftd/313:34:303
106891680,1ptp4l401ktimersoftd/310:32:463
305362660,2sleep30-21swapper/312:58:273
214302620,4sleep31889899cyclictest11:12:323
207572610,2sleep20-21swapper/212:17:032
205452600,2sleep00-21swapper/013:54:370
187442604,44sleep00-21swapper/009:02:220
106891590,1ptp4l401ktimersoftd/313:42:183
106891570,1ptp4l401ktimersoftd/312:03:253
244032560,4sleep01888199cyclictest12:19:540
106891560,1ptp4l401ktimersoftd/313:30:473
106891560,1ptp4l401ktimersoftd/313:30:473
23352540,2sleep30-21swapper/311:25:053
18892995143,4cyclictest33-21ksoftirqd/213:18:102
18892995043,4cyclictest33-21ksoftirqd/212:58:102
106891490,1ptp4l401ktimersoftd/312:35:073
18892994841,4cyclictest33-21ksoftirqd/214:03:112
18892994841,4cyclictest33-21ksoftirqd/209:03:052
106891470,1ptp4l401ktimersoftd/313:07:323
18892994638,4cyclictest33-21ksoftirqd/211:43:062
18892994638,4cyclictest33-21ksoftirqd/211:43:062
18892994538,4cyclictest33-21ksoftirqd/213:33:112
18892994538,4cyclictest33-21ksoftirqd/211:28:072
106891450,1ptp4l401ktimersoftd/312:53:553
18892994438,3cyclictest33-21ksoftirqd/214:18:122
106891430,1ptp4l401ktimersoftd/311:14:133
18892994134,3cyclictest33-21ksoftirqd/211:23:072
106891410,1ptp4l401ktimersoftd/312:26:153
106891400,1ptp4l401ktimersoftd/309:38:163
180082394,20sleep216659-21/usr/sbin/munin08:58:172
106891390,1ptp4l401ktimersoftd/313:54:183
106891390,1ptp4l401ktimersoftd/311:58:543
1889299387,3cyclictest33-21ksoftirqd/213:58:172
106891380,1ptp4l401ktimersoftd/314:21:503
106891380,1ptp4l401ktimersoftd/314:15:513
106891380,1ptp4l401ktimersoftd/314:09:233
106891380,1ptp4l401ktimersoftd/312:52:013
106891380,1ptp4l401ktimersoftd/312:15:523
106891380,1ptp4l401ktimersoftd/311:50:213
106891380,1ptp4l401ktimersoftd/311:44:173
106891380,1ptp4l401ktimersoftd/311:44:173
106891380,1ptp4l401ktimersoftd/311:05:043
106891370,1ptp4l401ktimersoftd/314:26:083
106891370,1ptp4l401ktimersoftd/314:05:313
106891370,1ptp4l401ktimersoftd/313:47:433
106891370,1ptp4l401ktimersoftd/313:18:043
106891370,1ptp4l401ktimersoftd/312:12:203
106891370,1ptp4l401ktimersoftd/311:57:133
106891370,1ptp4l401ktimersoftd/309:07:553
305282360,6sleep1241ktimersoftd/110:33:081
18892993629,3cyclictest33-21ksoftirqd/209:18:052
106891360,1ptp4l401ktimersoftd/313:13:073
106891360,1ptp4l401ktimersoftd/312:18:433
106891360,1ptp4l401ktimersoftd/311:35:553
106891360,1ptp4l401ktimersoftd/311:35:553
106891360,1ptp4l401ktimersoftd/311:29:073
106891360,0ptp4l401ktimersoftd/311:40:043
106891360,0ptp4l401ktimersoftd/311:40:043
106891360,0ptp4l401ktimersoftd/309:16:433
18892993522,10cyclictest33-21ksoftirqd/212:28:272
18892993514,11cyclictest33-21ksoftirqd/213:23:212
106891350,1ptp4l401ktimersoftd/314:01:303
106891350,1ptp4l401ktimersoftd/312:30:543
106891350,1ptp4l401ktimersoftd/310:58:153
106891350,0ptp4l401ktimersoftd/313:10:233
106891350,0ptp4l401ktimersoftd/310:33:153
18898993429,3cyclictest41-21ksoftirqd/309:52:533
18892993428,3cyclictest33-21ksoftirqd/214:13:142
18892993428,3cyclictest33-21ksoftirqd/212:37:582
18892993427,4cyclictest33-21ksoftirqd/209:47:532
18892993427,4cyclictest33-21ksoftirqd/209:47:532
18892993427,3cyclictest33-21ksoftirqd/212:08:132
18892993421,3cyclictest33-21ksoftirqd/212:43:192
106891340,1ptp4l401ktimersoftd/313:51:033
106891330,1ptp4l401ktimersoftd/310:13:143
106891330,1ptp4l401ktimersoftd/309:24:403
52482320,2sleep00-21swapper/012:01:070
1889299323,3cyclictest121rcu_preempt12:02:312
18892993227,3cyclictest33-21ksoftirqd/213:47:592
18892993226,3cyclictest33-21ksoftirqd/214:08:112
18892993226,3cyclictest33-21ksoftirqd/213:32:592
18892993226,3cyclictest33-21ksoftirqd/213:07:572
18892993225,3cyclictest33-21ksoftirqd/211:18:092
18892993225,3cyclictest33-21ksoftirqd/210:32:542
1889299321,3cyclictest121rcu_preempt12:20:432
1889299320,3cyclictest121rcu_preempt11:37:552
1889299320,3cyclictest121rcu_preempt11:37:552
1888799321,3cyclictest121rcu_preempt11:32:321
106891320,1ptp4l401ktimersoftd/310:43:103
106891320,1ptp4l401ktimersoftd/309:33:513
24502310,4sleep01888199cyclictest13:03:180
18892993126,3cyclictest33-21ksoftirqd/211:08:122
18892993125,3cyclictest33-21ksoftirqd/213:13:132
18892993125,3cyclictest33-21ksoftirqd/213:08:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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