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2026-08-26 - 05:06
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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 Aug 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2913121540,3sleep3272199cyclictest01:43:133
1196421540,5sleep0270399cyclictest01:58:480
1068911040,3ptp4l401ktimersoftd/321:27:403
25182674,10sleep00-21swapper/021:31:020
166842660,2sleep10-21swapper/123:07:061
110662610,2sleep00-21swapper/002:32:090
106891600,1ptp4l401ktimersoftd/323:59:373
106891580,1ptp4l401ktimersoftd/300:47:263
271472550,3sleep1270999cyclictest00:02:181
271472550,3sleep1270999cyclictest00:02:181
2721995346,4cyclictest41-21ksoftirqd/323:52:063
2721995322,3cyclictest41-21ksoftirqd/322:52:093
2721995145,3cyclictest41-21ksoftirqd/301:27:063
95062500,3sleep233-21ksoftirqd/201:57:102
2721994943,3cyclictest41-21ksoftirqd/321:42:013
2721994942,4cyclictest41-21ksoftirqd/321:37:033
2721994841,4cyclictest41-21ksoftirqd/322:42:043
2721994816,5cyclictest41-21ksoftirqd/301:56:563
2721994816,5cyclictest41-21ksoftirqd/301:56:563
2721994525,3cyclictest41-21ksoftirqd/300:27:253
106891450,1ptp4l28850-21kworker/3:200:36:273
2721994437,4cyclictest41-21ksoftirqd/323:12:063
106891440,0ptp4l401ktimersoftd/323:41:293
2709994317,4cyclictest23938-21cut23:22:061
2721994136,3cyclictest41-21ksoftirqd/302:07:083
106891410,1ptp4l401ktimersoftd/323:07:163
254024014,14sleep233-21ksoftirqd/221:31:202
272199399,10cyclictest41-21ksoftirqd/321:36:513
239423918,11sleep125-21ksoftirqd/121:29:261
106891390,1ptp4l401ktimersoftd/322:06:523
106891390,1ptp4l401ktimersoftd/302:24:583
106891390,1ptp4l401ktimersoftd/301:33:033
106891390,1ptp4l401ktimersoftd/301:11:083
2721993830,4cyclictest41-21ksoftirqd/301:12:083
106891380,1ptp4l401ktimersoftd/323:43:313
106891380,1ptp4l401ktimersoftd/323:34:213
106891380,1ptp4l401ktimersoftd/302:48:103
106891380,1ptp4l401ktimersoftd/302:40:593
106891380,1ptp4l401ktimersoftd/301:37:273
106891380,1ptp4l401ktimersoftd/301:18:103
106891380,1ptp4l401ktimersoftd/300:44:483
106891380,1ptp4l401ktimersoftd/300:14:593
106891380,1ptp4l401ktimersoftd/300:10:213
2721993731,3cyclictest41-21ksoftirqd/323:01:533
2721993718,7cyclictest41-21ksoftirqd/322:27:223
106891370,1ptp4l401ktimersoftd/323:48:063
106891370,1ptp4l401ktimersoftd/302:59:243
106891370,1ptp4l401ktimersoftd/302:30:213
106891370,1ptp4l401ktimersoftd/301:04:563
106891370,1ptp4l401ktimersoftd/300:55:243
106891370,1ptp4l401ktimersoftd/300:40:583
106891370,1ptp4l401ktimersoftd/300:19:253
106891370,1ptp4l401ktimersoftd/300:03:313
106891370,1ptp4l401ktimersoftd/300:03:313
2714993624,10cyclictest33-21ksoftirqd/201:39:472
106891360,2ptp4l10455-21kworker/3:202:42:593
106891360,1ptp4l401ktimersoftd/302:02:473
106891360,1ptp4l401ktimersoftd/302:01:023
106891360,1ptp4l401ktimersoftd/300:59:463
272199350,3cyclictest121rcu_preempt23:27:163
106891350,1ptp4l401ktimersoftd/302:54:243
106891350,1ptp4l401ktimersoftd/302:21:213
106891350,1ptp4l401ktimersoftd/301:23:283
106891350,0ptp4l401ktimersoftd/323:02:083
2721993422,9cyclictest41-21ksoftirqd/322:06:513
2721993420,11cyclictest41-21ksoftirqd/323:22:093
272199341,3cyclictest121rcu_preempt01:51:473
2714993428,3cyclictest33-21ksoftirqd/202:36:582
106891340,1ptp4l401ktimersoftd/322:12:543
87622330,4sleep0270399cyclictest00:50:390
2721993329,2cyclictest41-21ksoftirqd/321:56:503
272199331,7cyclictest121rcu_preempt02:14:543
2709993324,6cyclictest25-21ksoftirqd/123:31:541
2721993226,3cyclictest41-21ksoftirqd/322:32:123
106891320,0ptp4l401ktimersoftd/302:34:513
2721993118,3cyclictest41-21ksoftirqd/300:22:123
2714993126,3cyclictest33-21ksoftirqd/202:16:572
2714993125,3cyclictest33-21ksoftirqd/203:01:582
2721993025,3cyclictest41-21ksoftirqd/322:51:523
2721993024,3cyclictest41-21ksoftirqd/321:47:073
2714993024,3cyclictest33-21ksoftirqd/223:16:532
2714993024,3cyclictest33-21ksoftirqd/200:22:122
2714993018,9cyclictest33-21ksoftirqd/221:47:102
253722300,5sleep225375-21gltestperf01:07:112
2721992924,3cyclictest41-21ksoftirqd/322:21:523
2721992924,3cyclictest41-21ksoftirqd/322:21:523
2721992924,3cyclictest41-21ksoftirqd/321:57:113
2721992923,3cyclictest41-21ksoftirqd/323:17:123
2721992923,3cyclictest41-21ksoftirqd/322:37:083
271499294,3cyclictest121rcu_preempt01:52:182
271499294,3cyclictest121rcu_preempt01:52:182
2714992924,3cyclictest33-21ksoftirqd/202:42:172
2714992924,3cyclictest33-21ksoftirqd/201:26:552
2714992924,3cyclictest33-21ksoftirqd/200:37:092
2714992924,3cyclictest33-21ksoftirqd/200:07:132
2714992923,3cyclictest33-21ksoftirqd/223:42:092
2714992918,9cyclictest33-21ksoftirqd/200:57:062
270399290,3cyclictest121rcu_preempt23:35:530
2721992822,3cyclictest41-21ksoftirqd/322:22:213
271499284,3cyclictest33-21ksoftirqd/223:27:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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