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2026-04-29 - 08:18
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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 Apr 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2656421670,3sleep02846699cyclictest23:36:280
994321570,3sleep32848799cyclictest23:51:413
1068911200,8ptp4l22855-21kworker/3:320:25:303
106891850,1ptp4l401ktimersoftd/321:59:593
209052830,3sleep12847399cyclictest01:09:441
106891810,10ptp4l401ktimersoftd/323:11:343
106891770,1ptp4l401ktimersoftd/320:26:253
106891770,1ptp4l401ktimersoftd/320:26:253
106891720,1ptp4l401ktimersoftd/323:44:303
106891710,1ptp4l401ktimersoftd/323:28:133
106891700,1ptp4l401ktimersoftd/322:38:353
106891690,1ptp4l401ktimersoftd/301:51:043
106891680,1ptp4l401ktimersoftd/323:20:253
106891650,1ptp4l401ktimersoftd/323:34:553
106891640,1ptp4l401ktimersoftd/300:06:233
106891640,1ptp4l401ktimersoftd/300:06:233
75152630,4sleep3391rcuc/300:56:293
106891620,1ptp4l401ktimersoftd/323:39:503
262282614,10sleep10-21swapper/120:21:161
106891610,1ptp4l401ktimersoftd/300:35:553
282212604,10sleep20-21swapper/220:24:202
281152594,43sleep00-21swapper/020:22:560
5912570,2sleep00-21swapper/023:42:060
113342540,2sleep00-21swapper/001:31:430
106891530,2ptp4l2472-21kworker/3:201:52:543
106891530,1ptp4l401ktimersoftd/301:33:333
106891480,14ptp4l2472-21kworker/3:201:39:483
106891470,0ptp4l401ktimersoftd/300:13:323
2848199465,7cyclictest20627-21idleruntime00:36:282
28481994616,7cyclictest33-21ksoftirqd/200:31:352
28481994611,5cyclictest33-21ksoftirqd/220:33:372
28481994611,5cyclictest33-21ksoftirqd/220:33:372
106891460,2ptp4l23066-21kworker/3:122:11:473
106891460,1ptp4l401ktimersoftd/323:50:283
2848199447,33cyclictest25576-21cat21:26:092
106891440,1ptp4l401ktimersoftd/322:32:453
2848199430,12cyclictest13913-21ssh22:51:152
2848199427,5cyclictest33-21ksoftirqd/201:15:442
106891420,1ptp4l401ktimersoftd/301:05:173
28481994114,10cyclictest33-21ksoftirqd/201:31:532
106891410,1ptp4l401ktimersoftd/320:36:313
106891410,0ptp4l401ktimersoftd/300:42:333
2848199405,5cyclictest33-21ksoftirqd/221:41:542
2848199402,6cyclictest26474-21ssh23:02:352
2848199397,4cyclictest33-21ksoftirqd/222:49:232
2848199394,5cyclictest33-21ksoftirqd/200:42:042
2848199390,6cyclictest33-21ksoftirqd/200:00:232
106891390,2ptp4l23066-21kworker/3:100:18:283
106891390,1ptp4l401ktimersoftd/323:24:223
106891390,1ptp4l401ktimersoftd/301:15:483
106891390,0ptp4l401ktimersoftd/323:03:043
2848199384,5cyclictest33-21ksoftirqd/223:54:042
28481993817,9cyclictest33-21ksoftirqd/221:06:312
106891380,1ptp4l401ktimersoftd/323:08:003
106891380,1ptp4l401ktimersoftd/322:59:373
106891380,1ptp4l401ktimersoftd/322:28:143
106891380,1ptp4l401ktimersoftd/301:28:423
106891380,1ptp4l401ktimersoftd/301:22:073
106891380,1ptp4l401ktimersoftd/301:17:383
106891380,1ptp4l401ktimersoftd/301:06:273
2848199378,6cyclictest33-21ksoftirqd/221:16:252
2848199375,5cyclictest33-21ksoftirqd/222:28:342
2848199375,5cyclictest33-21ksoftirqd/200:26:582
2848199374,6cyclictest33-21ksoftirqd/223:37:482
2848199374,6cyclictest33-21ksoftirqd/200:59:062
28481993716,7cyclictest33-21ksoftirqd/222:56:122
28481993711,6cyclictest33-21ksoftirqd/200:21:212
28473993730,4cyclictest3773-21cron20:41:071
106891370,1ptp4l401ktimersoftd/322:51:313
106891370,1ptp4l401ktimersoftd/300:21:213
106891370,1ptp4l401ktimersoftd/300:03:273
106891370,1ptp4l401ktimersoftd/300:03:273
2848799365,19cyclictest4271-21ssh22:41:233
2848199367,6cyclictest33-21ksoftirqd/222:16:382
2848199365,5cyclictest33-21ksoftirqd/201:38:132
2848199365,5cyclictest33-21ksoftirqd/200:55:392
2848199365,5cyclictest33-21ksoftirqd/200:04:332
2848199365,5cyclictest33-21ksoftirqd/200:04:332
2848199364,6cyclictest33-21ksoftirqd/222:35:452
2848199364,5cyclictest33-21ksoftirqd/223:47:262
2848199364,5cyclictest33-21ksoftirqd/223:24:392
2848199364,5cyclictest33-21ksoftirqd/223:13:272
2848199364,5cyclictest33-21ksoftirqd/201:30:282
2848199364,5cyclictest33-21ksoftirqd/200:12:272
2848199363,5cyclictest33-21ksoftirqd/223:17:482
28481993617,10cyclictest33-21ksoftirqd/201:06:292
106891360,12ptp4l401ktimersoftd/301:42:503
106891360,0ptp4l401ktimersoftd/300:00:043
98392350,2sleep00-21swapper/000:26:110
2848199355,5cyclictest33-21ksoftirqd/223:31:162
2848199355,5cyclictest33-21ksoftirqd/223:28:032
2848199355,5cyclictest33-21ksoftirqd/201:24:012
2848199355,5cyclictest33-21ksoftirqd/201:20:432
2848199355,5cyclictest33-21ksoftirqd/200:07:082
2848199355,5cyclictest33-21ksoftirqd/200:07:082
2848199354,5cyclictest33-21ksoftirqd/201:52:022
2848199353,5cyclictest33-21ksoftirqd/222:38:542
28481993517,8cyclictest33-21ksoftirqd/222:41:252
144562350,2sleep00-21swapper/023:23:510
106891350,1ptp4l401ktimersoftd/322:16:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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