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2026-07-29 - 20:34
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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 Jul 29, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911040,3ptp4l401ktimersoftd/309:12:533
207312900,1sleep10-21swapper/112:07:141
8835997031,15cyclictest9-21ksoftirqd/013:52:000
84152684,10sleep00-21swapper/009:12:310
106891680,1ptp4l401ktimersoftd/313:22:173
8835996654,6cyclictest9-21ksoftirqd/013:31:590
267502620,2sleep20-21swapper/209:51:572
8835996049,6cyclictest9-21ksoftirqd/011:46:550
25212600,1sleep20-21swapper/211:49:202
224052600,2sleep00-21swapper/009:42:000
106891600,1ptp4l401ktimersoftd/313:30:113
106891590,1ptp4l401ktimersoftd/313:11:313
106891590,1ptp4l401ktimersoftd/313:05:503
219562580,2sleep10-21swapper/112:42:071
102002580,4sleep1884299cyclictest11:24:221
8847995728,3cyclictest33-21ksoftirqd/209:21:582
8835995543,6cyclictest9-21ksoftirqd/009:51:540
8835995445,3cyclictest9-21ksoftirqd/011:51:570
106891540,1ptp4l401ktimersoftd/314:19:393
105791540,3getstats46850irq/99-ens3-TxR11:17:173
8835995239,6cyclictest9-21ksoftirqd/012:11:580
164022520,4sleep1884299cyclictest14:16:581
8835995138,7cyclictest9-21ksoftirqd/012:36:580
230662510,2sleep30-21swapper/312:10:533
8842995012,24cyclictest18586-21sh13:45:561
106891490,1ptp4l401ktimersoftd/313:47:043
8847994731,7cyclictest33-21ksoftirqd/211:06:422
8855994635,6cyclictest41-21ksoftirqd/313:17:003
225132460,2sleep20-21swapper/214:22:092
884799457,5cyclictest33-21ksoftirqd/210:52:052
8847994513,10cyclictest33-21ksoftirqd/212:01:562
8855994432,7cyclictest41-21ksoftirqd/312:01:563
8855994419,4cyclictest41-21ksoftirqd/311:52:003
884799447,4cyclictest33-21ksoftirqd/213:02:082
884799442,8cyclictest33-21ksoftirqd/212:25:522
885599436,4cyclictest6203-21kworker/3:109:27:113
8855994314,4cyclictest41-21ksoftirqd/312:21:443
8847994330,3cyclictest33-21ksoftirqd/212:57:152
8847994322,8cyclictest33-21ksoftirqd/213:42:022
8855994215,4cyclictest41-21ksoftirqd/311:47:023
884799426,9cyclictest33-21ksoftirqd/210:26:422
884299422,6cyclictest31865-21apt-get11:46:561
884299422,5cyclictest4352-21apt-get11:51:571
8855994116,3cyclictest41-21ksoftirqd/314:37:003
8855994115,4cyclictest41-21ksoftirqd/314:32:183
885599411,3cyclictest121rcu_preempt13:52:003
884799416,11cyclictest33-21ksoftirqd/214:17:092
884799414,5cyclictest33-21ksoftirqd/214:12:082
884799414,4cyclictest33-21ksoftirqd/212:20:542
8847994135,3cyclictest33-21ksoftirqd/212:46:492
8847994134,3cyclictest33-21ksoftirqd/213:36:592
8835994115,10cyclictest9-21ksoftirqd/013:12:140
106891410,1ptp4l401ktimersoftd/312:01:273
885599405,12cyclictest41-21ksoftirqd/313:57:033
8855994013,4cyclictest41-21ksoftirqd/311:31:443
884799407,7cyclictest33-21ksoftirqd/214:31:022
884799406,4cyclictest33-21ksoftirqd/213:09:572
884799404,9cyclictest33-21ksoftirqd/213:25:522
8847994026,3cyclictest33-21ksoftirqd/210:46:422
8847994026,3cyclictest33-21ksoftirqd/210:46:422
8847994026,3cyclictest33-21ksoftirqd/210:31:592
884799402,3cyclictest121rcu_preempt11:26:562
8847994023,13cyclictest33-21ksoftirqd/213:52:012
8847994021,3cyclictest33-21ksoftirqd/213:16:462
8847994013,9cyclictest33-21ksoftirqd/214:41:482
8835994034,3cyclictest9-21ksoftirqd/012:56:500
106891400,1ptp4l401ktimersoftd/314:22:003
885599391,4cyclictest23685-21munin-run09:46:413
8855993914,4cyclictest41-21ksoftirqd/314:27:013
8855993914,4cyclictest41-21ksoftirqd/312:57:083
8855993911,4cyclictest41-21ksoftirqd/311:42:133
884799399,8cyclictest33-21ksoftirqd/214:45:392
884799395,4cyclictest33-21ksoftirqd/209:41:542
884799394,9cyclictest33-21ksoftirqd/213:50:262
884799393,9cyclictest33-21ksoftirqd/212:07:332
884799393,9cyclictest33-21ksoftirqd/211:52:052
884799393,4cyclictest33-21ksoftirqd/214:32:292
884799393,4cyclictest33-21ksoftirqd/213:35:412
884799393,4cyclictest33-21ksoftirqd/212:35:142
884799393,4cyclictest33-21ksoftirqd/212:35:142
884799393,10cyclictest33-21ksoftirqd/213:17:152
884799392,4cyclictest33-21ksoftirqd/209:57:112
8847993912,15cyclictest33-21ksoftirqd/212:55:292
884299392,5cyclictest0-21swapper/112:31:561
884299392,5cyclictest0-21swapper/112:31:561
8842993915,20cyclictest3442-21/usr/sbin/munin14:37:021
8842993913,22cyclictest20444-21cat10:46:571
8842993913,22cyclictest20444-21cat10:46:571
8835993927,6cyclictest9-21ksoftirqd/010:46:550
8835993927,6cyclictest9-21ksoftirqd/010:46:550
311532390,1sleep10-21swapper/110:01:561
106891390,1ptp4l401ktimersoftd/313:14:563
106891390,1ptp4l401ktimersoftd/312:24:093
885599382,3cyclictest5894-21grep10:16:543
8855993812,4cyclictest41-21ksoftirqd/311:06:563
8855993810,4cyclictest41-21ksoftirqd/311:37:063
884799386,3cyclictest33-21ksoftirqd/211:06:592
884799385,8cyclictest121rcu_preempt12:27:132
884799383,4cyclictest33-21ksoftirqd/211:33:522
8847993831,4cyclictest33-21ksoftirqd/209:16:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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