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2025-11-23 - 00:54
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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 Nov 22, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911100,3ptp4l401ktimersoftd/308:12:553
14747997060,5cyclictest33-21ksoftirqd/210:47:482
144022644,9sleep00-21swapper/008:14:290
1474199630,3cyclictest22462-21seq11:14:311
14747996248,7cyclictest33-21ksoftirqd/212:47:502
106862610,2sleep00-21swapper/010:19:190
1320625935,9sleep10-21swapper/108:12:521
221072570,5sleep222106-21expr13:12:532
151982560,2sleep10-21swapper/110:25:181
14747995646,5cyclictest33-21ksoftirqd/212:52:562
286102550,2sleep00-21swapper/009:52:330
14747995545,5cyclictest33-21ksoftirqd/209:37:452
14747995443,5cyclictest33-21ksoftirqd/209:32:472
50032520,2sleep10-21swapper/110:53:001
14747995142,4cyclictest33-21ksoftirqd/209:27:462
1475499506,7cyclictest24288-21tr11:17:503
1475499506,7cyclictest21917-21fschecks_count09:37:493
14747995040,5cyclictest33-21ksoftirqd/213:37:542
1475499494,7cyclictest12813-21irqrtprio09:17:523
1475499485,7cyclictest4278-21grep10:52:553
14747994838,5cyclictest33-21ksoftirqd/211:37:532
14747994838,5cyclictest33-21ksoftirqd/211:37:532
14747994837,5cyclictest33-21ksoftirqd/213:17:522
1475499474,8cyclictest748-21awk10:02:333
1475499474,6cyclictest4795-21cut11:32:533
1475499474,6cyclictest3526-21latency_hist10:52:353
1475499472,8cyclictest12744-21cstates10:22:503
14747994741,3cyclictest33-21ksoftirqd/213:32:422
14747994741,3cyclictest33-21ksoftirqd/213:32:422
1475499464,6cyclictest401ktimersoftd/309:32:473
1475499463,8cyclictest28521-21cat11:22:513
1475499463,7cyclictest28051-21awk09:48:033
1475499462,6cyclictest401ktimersoftd/313:17:533
1475499458,5cyclictest41-21ksoftirqd/310:37:563
1475499454,8cyclictest401ktimersoftd/311:02:353
1475499453,8cyclictest401ktimersoftd/310:33:073
1475499443,7cyclictest20242-21cstates11:12:503
14754994417,4cyclictest41-21ksoftirqd/312:44:383
14747994436,4cyclictest33-21ksoftirqd/212:57:512
1475499433,8cyclictest28115-21if_err_enp1s008:42:503
1475499433,7cyclictest16488-21hddtemp_smartct11:07:533
1475499430,5cyclictest0-21swapper/309:27:323
14747994336,4cyclictest33-21ksoftirqd/213:22:412
14747994323,5cyclictest33-21ksoftirqd/211:32:572
14737994322,14cyclictest1760-21runrttasks10:22:490
290622420,2sleep00-21swapper/009:52:490
290622420,2sleep00-21swapper/009:52:490
1475499426,5cyclictest41-21ksoftirqd/313:25:583
1475499423,6cyclictest401ktimersoftd/312:38:073
177391410,1ptp4l401ktimersoftd/312:18:053
1475499413,7cyclictest4383-21sed10:07:553
14754994137,2cyclictest391rcuc/313:01:333
1474199412,34cyclictest0-21swapper/112:22:511
177391400,1ptp4l401ktimersoftd/311:53:043
1475499406,5cyclictest41-21ksoftirqd/312:56:533
1475499405,6cyclictest41-21ksoftirqd/312:51:203
14747994035,3cyclictest33-21ksoftirqd/213:32:382
14747994035,3cyclictest33-21ksoftirqd/213:32:382
14747994029,6cyclictest33-21ksoftirqd/211:22:502
1475499396,5cyclictest41-21ksoftirqd/311:29:473
1475499395,6cyclictest41-21ksoftirqd/313:43:433
1475499393,5cyclictest41-21ksoftirqd/310:32:333
1475499392,6cyclictest401ktimersoftd/309:53:133
1475499392,6cyclictest401ktimersoftd/309:53:133
14747993927,10cyclictest33-21ksoftirqd/210:28:042
139382394,21sleep212512-21/usr/sbin/munin08:13:022
177391380,1ptp4l401ktimersoftd/313:29:393
177391380,1ptp4l401ktimersoftd/313:29:393
177391380,1ptp4l401ktimersoftd/313:13:083
177391380,1ptp4l401ktimersoftd/313:08:583
177391380,1ptp4l401ktimersoftd/312:15:263
177391380,1ptp4l401ktimersoftd/312:07:373
177391380,1ptp4l401ktimersoftd/311:44:533
177391380,1ptp4l401ktimersoftd/311:44:533
177391380,0ptp4l401ktimersoftd/312:24:433
177391380,0ptp4l401ktimersoftd/310:43:333
1475499387,5cyclictest41-21ksoftirqd/311:07:083
1475499386,9cyclictest41-21ksoftirqd/309:04:123
1475499384,5cyclictest41-21ksoftirqd/312:33:573
1475499384,5cyclictest41-21ksoftirqd/311:50:493
1475499382,4cyclictest0-21swapper/312:04:123
14754993816,9cyclictest41-21ksoftirqd/313:42:383
1474799384,4cyclictest121rcu_preempt11:57:502
14747993833,3cyclictest33-21ksoftirqd/212:32:492
14747993832,3cyclictest33-21ksoftirqd/211:02:532
14747993831,4cyclictest33-21ksoftirqd/210:07:342
1474199380,5cyclictest27559-21ssh10:42:021
1474199380,5cyclictest15196-21grep13:03:021
1474199380,4cyclictest24145-21ssh13:14:141
1474199380,4cyclictest20839-21grep08:27:511
1474199380,3cyclictest15599-21ssh11:45:521
1474199380,3cyclictest15599-21ssh11:45:521
177391370,1ptp4l401ktimersoftd/313:35:213
177391370,1ptp4l401ktimersoftd/313:35:213
177391370,1ptp4l401ktimersoftd/313:02:523
177391370,1ptp4l401ktimersoftd/309:42:523
1475499374,5cyclictest41-21ksoftirqd/312:00:303
14747993732,3cyclictest33-21ksoftirqd/213:43:082
14747993732,3cyclictest33-21ksoftirqd/210:47:342
14747993731,3cyclictest33-21ksoftirqd/213:07:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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