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2025-12-17 - 23:58
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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 Dec 17, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1244721470,5sleep12440799cyclictest07:53:011
1068911130,7ptp4l21931-21kworker/3:207:10:563
231592690,6sleep223164-21irqrtprio11:38:082
267842640,2sleep30-21swapper/307:17:423
24412995845,5cyclictest33-21ksoftirqd/210:27:572
239852564,40sleep00-21swapper/007:08:350
106891560,1ptp4l401ktimersoftd/309:15:453
189822540,2sleep20-21swapper/209:13:072
24407995024,4cyclictest25-21ksoftirqd/107:28:001
24401995013,5cyclictest9-21ksoftirqd/008:48:080
24401994813,4cyclictest9-21ksoftirqd/010:23:380
24412994734,7cyclictest33-21ksoftirqd/207:57:572
2440199479,10cyclictest9-21ksoftirqd/012:38:180
2440199467,7cyclictest9-21ksoftirqd/011:48:000
2440199458,7cyclictest9-21ksoftirqd/012:33:100
2440199453,4cyclictest9-21ksoftirqd/008:33:130
2440199448,4cyclictest9-21ksoftirqd/012:11:170
24401994436,4cyclictest9-21ksoftirqd/011:28:000
24401994436,4cyclictest9-21ksoftirqd/007:27:550
106891440,0ptp4l401ktimersoftd/308:37:413
2441299435,8cyclictest27229-21taskset11:48:012
2440199439,4cyclictest9-21ksoftirqd/012:19:360
2440199438,10cyclictest9-21ksoftirqd/008:07:590
2440199437,5cyclictest9-21ksoftirqd/010:18:090
24401994337,3cyclictest9-21ksoftirqd/009:12:450
106891430,0ptp4l401ktimersoftd/308:43:493
24407994217,4cyclictest25-21ksoftirqd/109:37:591
24407994215,4cyclictest25-21ksoftirqd/111:28:171
2440199426,4cyclictest9-21ksoftirqd/009:28:020
2440199424,7cyclictest9-21ksoftirqd/008:38:060
24412994128,7cyclictest33-21ksoftirqd/210:12:592
24407994117,4cyclictest25-21ksoftirqd/111:33:071
2440199415,4cyclictest9-21ksoftirqd/011:08:010
24401994134,4cyclictest9-21ksoftirqd/011:23:020
106891410,1ptp4l401ktimersoftd/311:02:023
2440799401,4cyclictest25-21ksoftirqd/110:07:561
24407994014,6cyclictest25-21ksoftirqd/112:38:031
2440199405,6cyclictest9-21ksoftirqd/008:21:010
2440199405,4cyclictest9-21ksoftirqd/009:32:460
24401994034,3cyclictest9-21ksoftirqd/009:47:580
24401994034,3cyclictest9-21ksoftirqd/007:57:480
24401994027,10cyclictest9-21ksoftirqd/009:43:140
24401994026,3cyclictest9-21ksoftirqd/009:38:080
24401994021,8cyclictest9-21ksoftirqd/008:53:050
2440799393,3cyclictest121rcu_preempt09:47:571
24407993925,6cyclictest25-21ksoftirqd/108:22:591
24407993915,4cyclictest25-21ksoftirqd/108:58:001
2440199394,4cyclictest9-21ksoftirqd/007:43:230
24401993926,3cyclictest9-21ksoftirqd/010:03:140
24401993915,8cyclictest9-21ksoftirqd/011:53:010
2440199391,3cyclictest121rcu_preempt07:17:420
24412993822,4cyclictest33-21ksoftirqd/210:07:562
2440799383,4cyclictest25-21ksoftirqd/109:27:461
24407993814,3cyclictest25-21ksoftirqd/112:24:261
24407993813,4cyclictest25-21ksoftirqd/112:13:061
24407993812,4cyclictest25-21ksoftirqd/111:58:171
2440199383,4cyclictest9-21ksoftirqd/010:14:590
24401993832,3cyclictest9-21ksoftirqd/011:12:590
2440199382,9cyclictest9-21ksoftirqd/011:33:170
2411523820,8sleep10-21swapper/107:10:171
24412993730,4cyclictest15150-21cron09:07:452
2440799379,5cyclictest25-21ksoftirqd/110:48:031
2440799375,3cyclictest25-21ksoftirqd/110:18:031
24407993712,4cyclictest25-21ksoftirqd/107:43:121
24407993711,4cyclictest25-21ksoftirqd/111:08:011
24407993710,4cyclictest25-21ksoftirqd/110:33:001
24407993710,4cyclictest25-21ksoftirqd/107:23:001
24407993710,4cyclictest25-21ksoftirqd/107:23:001
2440199375,4cyclictest9-21ksoftirqd/008:29:280
2440199374,8cyclictest9-21ksoftirqd/012:03:260
24401993731,4cyclictest9-21ksoftirqd/012:22:540
24401993731,3cyclictest9-21ksoftirqd/012:02:490
24401993731,3cyclictest9-21ksoftirqd/009:57:510
24401993711,5cyclictest9-21ksoftirqd/008:43:140
106891370,1ptp4l401ktimersoftd/312:08:453
106891370,0ptp4l401ktimersoftd/312:17:003
24412993623,11cyclictest33-21ksoftirqd/212:38:132
24412993612,10cyclictest33-21ksoftirqd/208:58:052
2440799363,4cyclictest2794-21sed08:38:131
24407993611,4cyclictest25-21ksoftirqd/110:58:051
24407993611,4cyclictest25-21ksoftirqd/109:32:591
24407993610,4cyclictest25-21ksoftirqd/112:03:021
24407993610,4cyclictest25-21ksoftirqd/108:48:051
24401993630,3cyclictest9-21ksoftirqd/009:18:080
24401993630,3cyclictest9-21ksoftirqd/007:23:010
24401993630,3cyclictest9-21ksoftirqd/007:23:010
24401993629,3cyclictest9-21ksoftirqd/010:07:510
24401993621,3cyclictest9-21ksoftirqd/009:56:250
24401993612,4cyclictest9-21ksoftirqd/009:13:150
106891360,1ptp4l401ktimersoftd/310:48:093
106891360,1ptp4l401ktimersoftd/308:28:013
24412993529,3cyclictest24681-21latency_hist09:27:462
2440799359,4cyclictest25-21ksoftirqd/112:33:031
2440799359,4cyclictest25-21ksoftirqd/108:28:001
2440799358,4cyclictest25-21ksoftirqd/108:43:031
2440799358,4cyclictest25-21ksoftirqd/107:38:121
24407993530,3cyclictest25-21ksoftirqd/110:42:471
24407993511,3cyclictest25-21ksoftirqd/108:03:031
24407993510,4cyclictest25-21ksoftirqd/110:28:001
24407993510,4cyclictest25-21ksoftirqd/108:08:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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