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2026-09-23 - 05:19
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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 Sep 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1348421480,3sleep0242699cyclictest02:49:010
1068911020,4ptp4l401ktimersoftd/321:42:363
106891700,1ptp4l401ktimersoftd/322:41:083
106891690,2ptp4l401ktimersoftd/302:34:143
17172640,6sleep0101ktimersoftd/021:42:490
106891640,1ptp4l401ktimersoftd/301:44:453
106891640,1ptp4l401ktimersoftd/301:44:453
72322620,2sleep30-21swapper/303:16:263
20332600,2sleep10-21swapper/102:04:131
323802590,1sleep30-21swapper/301:29:383
106891590,1ptp4l401ktimersoftd/303:08:213
95752580,4sleep1243199cyclictest02:12:401
169792580,2sleep30-21swapper/302:52:453
117922580,3sleep011798-21cpuspeed_turbos23:12:320
106891580,1ptp4l401ktimersoftd/300:02:253
106891580,1ptp4l401ktimersoftd/300:02:253
106891570,1ptp4l401ktimersoftd/322:10:363
106891570,1ptp4l401ktimersoftd/301:26:483
106891570,1ptp4l401ktimersoftd/300:11:563
106891550,1ptp4l401ktimersoftd/302:58:563
106891550,1ptp4l401ktimersoftd/300:41:173
37172530,2sleep20-21swapper/202:07:072
2426995237,7cyclictest9-21ksoftirqd/000:27:340
106891520,1ptp4l401ktimersoftd/300:46:403
253832510,2sleep30-21swapper/300:17:273
106891490,1ptp4l401ktimersoftd/322:25:363
106891470,1ptp4l401ktimersoftd/302:13:123
204624421,11sleep125-21ksoftirqd/121:43:441
2426994331,5cyclictest9-21ksoftirqd/000:07:330
106891430,1ptp4l401ktimersoftd/323:13:173
106891430,1ptp4l401ktimersoftd/322:29:233
106891420,1ptp4l401ktimersoftd/301:12:363
22132415,24sleep20-21swapper/221:45:552
106891410,6ptp4l401ktimersoftd/302:07:513
106891400,1ptp4l401ktimersoftd/303:02:383
106891390,1ptp4l401ktimersoftd/302:49:483
106891390,1ptp4l401ktimersoftd/301:09:423
106891390,1ptp4l401ktimersoftd/300:49:453
106891380,1ptp4l401ktimersoftd/323:59:093
106891380,1ptp4l401ktimersoftd/323:59:093
106891380,1ptp4l401ktimersoftd/302:26:463
106891380,1ptp4l401ktimersoftd/302:03:453
106891380,1ptp4l401ktimersoftd/301:32:323
106891380,1ptp4l401ktimersoftd/300:12:593
284082370,5sleep3244599cyclictest02:32:263
106891370,3ptp4l16856-21kworker/3:100:57:233
106891370,1ptp4l401ktimersoftd/323:49:513
106891370,1ptp4l401ktimersoftd/301:37:353
106891370,1ptp4l401ktimersoftd/301:37:353
106891370,1ptp4l401ktimersoftd/301:21:053
106891370,1ptp4l401ktimersoftd/301:05:113
106891370,1ptp4l401ktimersoftd/300:57:253
106891370,0ptp4l401ktimersoftd/300:36:333
242699366,17cyclictest10061-21ssh01:07:360
106891360,2ptp4l9720-21kworker/3:201:51:513
106891360,2ptp4l9720-21kworker/3:201:51:513
106891360,1ptp4l401ktimersoftd/302:41:013
106891360,1ptp4l401ktimersoftd/301:59:473
106891360,1ptp4l401ktimersoftd/301:55:143
106891360,1ptp4l401ktimersoftd/300:25:553
243799351,12cyclictest97552ssh01:39:202
243799351,12cyclictest97552ssh01:39:202
2426993525,5cyclictest9-21ksoftirqd/022:52:330
2426993523,6cyclictest9-21ksoftirqd/023:07:330
106891350,0ptp4l401ktimersoftd/302:45:373
2426993422,6cyclictest9-21ksoftirqd/023:42:360
2437993322,8cyclictest33-21ksoftirqd/200:47:472
2426993328,3cyclictest9-21ksoftirqd/002:37:260
106891330,2ptp4l7379-21kworker/3:023:01:293
106891330,1ptp4l401ktimersoftd/323:53:403
106891330,1ptp4l401ktimersoftd/323:07:143
106891330,1ptp4l401ktimersoftd/300:30:583
2437993226,3cyclictest33-21ksoftirqd/221:57:322
2426993222,4cyclictest9-21ksoftirqd/000:57:420
2426993218,6cyclictest9-21ksoftirqd/002:37:390
106891320,1ptp4l401ktimersoftd/322:42:223
106891320,1ptp4l401ktimersoftd/321:52:203
106891320,0ptp4l401ktimersoftd/323:35:003
2445993125,3cyclictest41-21ksoftirqd/323:22:213
2437993125,3cyclictest33-21ksoftirqd/202:42:262
2437993125,3cyclictest33-21ksoftirqd/201:17:402
2431993116,4cyclictest10597-21sh02:47:261
106891310,1ptp4l401ktimersoftd/322:19:533
2445993025,3cyclictest41-21ksoftirqd/323:47:213
2445993025,3cyclictest41-21ksoftirqd/322:17:193
2445993025,3cyclictest41-21ksoftirqd/322:17:193
2445993025,3cyclictest41-21ksoftirqd/321:52:183
243799304,3cyclictest121rcu_preempt02:23:222
2437993025,3cyclictest33-21ksoftirqd/201:57:242
2437993024,3cyclictest33-21ksoftirqd/201:47:492
2437993024,3cyclictest33-21ksoftirqd/201:47:492
2437993024,3cyclictest33-21ksoftirqd/200:17:392
106891300,0ptp4l401ktimersoftd/323:30:323
106891300,0ptp4l401ktimersoftd/322:56:363
2437992924,3cyclictest33-21ksoftirqd/202:47:412
2437992924,3cyclictest33-21ksoftirqd/201:12:242
2437992924,3cyclictest33-21ksoftirqd/201:07:242
2437992923,4cyclictest33-21ksoftirqd/203:07:432
2437992923,3cyclictest33-21ksoftirqd/222:52:392
2437992923,3cyclictest33-21ksoftirqd/202:02:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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