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2025-12-09 - 04:31
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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 Tue Dec 09, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2413921570,3sleep02166199cyclictest00:22:170
1773911160,8ptp4l7665-21kworker/3:020:24:193
1773911160,8ptp4l7665-21kworker/3:020:24:193
177391720,1ptp4l401ktimersoftd/300:38:583
177391700,1ptp4l401ktimersoftd/301:37:413
177391700,1ptp4l401ktimersoftd/301:37:413
177391670,1ptp4l401ktimersoftd/323:38:383
280882630,2sleep10-21swapper/101:02:091
207732610,3sleep10-21swapper/120:22:041
207732610,3sleep10-21swapper/120:22:041
177391600,1ptp4l401ktimersoftd/301:27:513
177391600,1ptp4l401ktimersoftd/301:27:513
87372590,3sleep00-21swapper/021:02:040
21679995952,4cyclictest41-21ksoftirqd/301:42:003
177391580,1ptp4l401ktimersoftd/301:17:063
177391580,1ptp4l401ktimersoftd/300:42:313
171962580,2sleep10-21swapper/123:39:181
177391570,1ptp4l401ktimersoftd/322:51:083
21679995649,4cyclictest41-21ksoftirqd/321:31:533
21679995245,4cyclictest41-21ksoftirqd/322:06:543
21661995242,5cyclictest9-21ksoftirqd/020:26:390
21661995242,5cyclictest9-21ksoftirqd/020:26:390
213542524,37sleep20-21swapper/220:23:592
213542524,37sleep20-21swapper/220:23:592
177391520,1ptp4l401ktimersoftd/300:31:143
21679995143,4cyclictest41-21ksoftirqd/322:31:563
177391490,1ptp4l401ktimersoftd/323:18:033
177391490,1ptp4l401ktimersoftd/323:05:123
177391480,2ptp4l7665-21kworker/3:001:09:363
21679994739,5cyclictest41-21ksoftirqd/301:11:583
177391470,1ptp4l401ktimersoftd/300:11:243
177391450,14ptp4l7665-21kworker/3:022:12:143
177391450,14ptp4l7665-21kworker/3:022:12:143
21679994436,4cyclictest41-21ksoftirqd/323:51:593
21679994436,4cyclictest41-21ksoftirqd/323:51:593
21679994435,5cyclictest41-21ksoftirqd/322:01:553
21679994336,3cyclictest41-21ksoftirqd/322:36:563
21679994135,3cyclictest41-21ksoftirqd/323:06:483
177391400,1ptp4l401ktimersoftd/301:34:063
177391400,1ptp4l401ktimersoftd/301:34:063
177391400,1ptp4l401ktimersoftd/301:02:003
177391400,1ptp4l401ktimersoftd/300:59:073
177391390,1ptp4l401ktimersoftd/323:51:053
177391390,1ptp4l401ktimersoftd/320:46:403
177391390,1ptp4l401ktimersoftd/300:05:233
177391380,1ptp4l401ktimersoftd/323:57:103
177391380,1ptp4l401ktimersoftd/322:57:403
177391380,1ptp4l401ktimersoftd/321:56:423
177391380,1ptp4l401ktimersoftd/321:26:423
177391380,1ptp4l401ktimersoftd/321:16:013
177391380,1ptp4l401ktimersoftd/300:13:583
177391380,0ptp4l401ktimersoftd/321:49:373
21679993726,8cyclictest41-21ksoftirqd/300:17:143
177391370,1ptp4l401ktimersoftd/323:34:223
177391370,1ptp4l401ktimersoftd/321:57:033
177391370,1ptp4l401ktimersoftd/301:54:363
177391370,1ptp4l401ktimersoftd/301:50:303
177391360,0ptp4l401ktimersoftd/323:25:113
21679993530,3cyclictest41-21ksoftirqd/321:06:563
21661993529,3cyclictest9-21ksoftirqd/000:26:500
177391350,0ptp4l401ktimersoftd/323:26:523
52882340,2sleep00-21swapper/022:51:430
21679993429,3cyclictest41-21ksoftirqd/300:26:453
21679993428,3cyclictest41-21ksoftirqd/323:11:483
21679993428,3cyclictest41-21ksoftirqd/320:56:453
21679993428,3cyclictest41-21ksoftirqd/300:31:503
177391340,1ptp4l401ktimersoftd/322:54:393
177391330,0ptp4l401ktimersoftd/323:42:403
177391330,0ptp4l401ktimersoftd/322:29:433
2167999326,3cyclictest41-21ksoftirqd/322:17:043
21679993227,3cyclictest41-21ksoftirqd/320:41:403
21679993226,3cyclictest41-21ksoftirqd/321:41:563
21679993226,3cyclictest41-21ksoftirqd/300:52:043
21670993226,4cyclictest33-21ksoftirqd/223:11:442
21670993226,3cyclictest33-21ksoftirqd/200:07:012
21661993226,3cyclictest9-21ksoftirqd/020:36:400
177391320,1ptp4l401ktimersoftd/321:18:093
177391320,1ptp4l401ktimersoftd/301:25:423
177391320,1ptp4l401ktimersoftd/300:46:523
177391320,0ptp4l401ktimersoftd/322:44:203
21666993125,3cyclictest46950irq/101-ens3-Tx00:07:051
21661993122,5cyclictest9-21ksoftirqd/023:31:570
21679993025,3cyclictest41-21ksoftirqd/320:56:403
21679993025,3cyclictest41-21ksoftirqd/320:31:583
21670993025,3cyclictest33-21ksoftirqd/220:36:402
21670993024,3cyclictest33-21ksoftirqd/200:04:392
21670993023,4cyclictest33-21ksoftirqd/222:54:102
21666993025,3cyclictest25-21ksoftirqd/123:27:041
21679992922,3cyclictest41-21ksoftirqd/320:51:403
21670992923,3cyclictest33-21ksoftirqd/222:28:012
21670992922,4cyclictest33-21ksoftirqd/222:10:182
2167099290,3cyclictest121rcu_preempt23:03:392
21666992922,5cyclictest25-21ksoftirqd/122:52:011
21666992922,4cyclictest25-21ksoftirqd/101:22:001
21666992922,4cyclictest25-21ksoftirqd/101:17:261
21661992924,3cyclictest9-21ksoftirqd/000:57:050
21661992924,3cyclictest28778-1kworker/u9:001:07:040
21661992923,3cyclictest9-21ksoftirqd/023:52:060
21661992923,3cyclictest9-21ksoftirqd/023:52:060
21661992923,3cyclictest9-21ksoftirqd/020:51:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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