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2026-08-30 - 23:07
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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 Sun Aug 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2695421570,2sleep22427399cyclictest14:59:562
697121470,3sleep32428199cyclictest11:54:483
1068911040,36ptp4l401ktimersoftd/309:32:113
106891710,1ptp4l401ktimersoftd/312:17:503
106891710,1ptp4l401ktimersoftd/312:17:503
106891700,1ptp4l401ktimersoftd/314:32:063
106891690,1ptp4l401ktimersoftd/315:02:393
36882670,4sleep32428199cyclictest11:04:333
241382664,10sleep00-21swapper/009:34:060
106891630,1ptp4l401ktimersoftd/312:57:473
106891590,1ptp4l401ktimersoftd/314:17:183
106891590,1ptp4l401ktimersoftd/313:15:363
139932580,4sleep22427399cyclictest12:02:462
106891580,1ptp4l401ktimersoftd/314:38:283
106891570,1ptp4l401ktimersoftd/314:23:493
106891560,1ptp4l401ktimersoftd/314:44:323
106891560,1ptp4l401ktimersoftd/311:49:233
99592550,4sleep39963-21needreboot14:09:463
68552550,2sleep30-21swapper/314:06:413
106891550,1ptp4l401ktimersoftd/313:51:103
33662540,2sleep10-21swapper/111:51:251
324232540,1sleep00-21swapper/011:49:030
24268995431,19cyclictest25-21ksoftirqd/112:19:361
240272543,10sleep20-21swapper/209:32:392
238752524,36sleep10-21swapper/109:30:401
106891420,11ptp4l401ktimersoftd/314:28:233
24261994010,25cyclictest22625-21irqrtprio13:49:440
106891400,1ptp4l401ktimersoftd/313:47:393
2426199393,4cyclictest0-21swapper/013:59:370
2426199392,5cyclictest0-21swapper/014:14:380
2426199392,5cyclictest0-21swapper/012:14:340
2426199392,5cyclictest0-21swapper/012:14:340
2426199392,5cyclictest0-21swapper/011:54:360
2426199392,4cyclictest0-21swapper/012:54:370
2426199391,6cyclictest0-21swapper/011:39:340
24261993911,24cyclictest32033-21date12:54:240
106891390,1ptp4l401ktimersoftd/314:43:143
106891390,1ptp4l401ktimersoftd/313:39:443
106891390,1ptp4l401ktimersoftd/312:54:013
106891390,0ptp4l401ktimersoftd/313:29:073
2426199383,8cyclictest17617-21apt-get12:39:360
2426199382,6cyclictest0-21swapper/009:44:310
2426199382,5cyclictest30154-21apt-get12:19:360
24261993813,22cyclictest17610-21diskmemload12:07:420
24261993811,24cyclictest19437-21latency_hist13:14:250
24261993811,24cyclictest11462-21cut14:44:450
24261993810,24cyclictest18508-21/usr/sbin/munin14:19:550
24261993810,24cyclictest11592-21awk11:59:430
106891380,1ptp4l401ktimersoftd/314:54:023
106891380,1ptp4l401ktimersoftd/312:47:393
106891380,1ptp4l401ktimersoftd/312:30:173
106891380,1ptp4l401ktimersoftd/312:11:353
106891380,1ptp4l401ktimersoftd/311:59:313
106891380,0ptp4l401ktimersoftd/312:21:303
2426199377,3cyclictest14472chrt09:49:470
2426199372,6cyclictest0-21swapper/011:49:350
2426199372,5cyclictest0-21swapper/011:29:350
2426199371,4cyclictest0-21swapper/013:29:370
24261993713,21cyclictest5899-21wc11:09:220
24261993713,21cyclictest17610-21diskmemload14:56:090
24261993712,22cyclictest17610-21diskmemload14:51:070
24261993712,22cyclictest17610-21diskmemload12:09:390
24261993712,21cyclictest17610-21diskmemload14:04:320
24261993710,24cyclictest15247-21idleruntime-cro11:29:220
24261993710,23cyclictest29409-21grep09:39:480
24261993710,23cyclictest25480-21cat09:34:400
24261993710,23cyclictest16972-21sort13:44:400
106891370,1ptp4l401ktimersoftd/314:02:503
106891370,1ptp4l401ktimersoftd/313:09:573
106891370,1ptp4l401ktimersoftd/313:06:503
106891370,1ptp4l401ktimersoftd/313:00:023
106891370,1ptp4l401ktimersoftd/312:40:363
106891370,1ptp4l401ktimersoftd/312:36:133
106891370,1ptp4l401ktimersoftd/312:05:493
106891370,1ptp4l401ktimersoftd/311:45:323
106891370,1ptp4l401ktimersoftd/311:39:573
106891370,1ptp4l401ktimersoftd/310:02:523
24268993625,6cyclictest25-21ksoftirqd/111:34:351
24268993623,10cyclictest25-21ksoftirqd/109:49:201
2426199362,4cyclictest0-21swapper/014:59:390
24261993612,21cyclictest3844-21sh14:36:590
24261993612,21cyclictest17610-21diskmemload13:29:130
24261993612,21cyclictest17610-21diskmemload13:01:410
24261993612,21cyclictest11169-21grep13:04:480
24261993611,22cyclictest7332-21timerwakeupswit14:39:550
24261993610,23cyclictest7783-21expr12:29:370
24261993610,23cyclictest17161-21df10:24:350
24268993529,3cyclictest25-21ksoftirqd/114:29:261
2426199352,6cyclictest18035-21apt-get11:34:350
2426199351,7cyclictest0-21swapper/012:29:240
24261993516,15cyclictest9-21ksoftirqd/010:00:590
24261993513,19cyclictest28373-21seq10:48:040
24261993511,21cyclictest32168-21sed10:54:400
24261993510,22cyclictest17610-21diskmemload14:27:580
24261993510,22cyclictest17610-21diskmemload13:22:190
24261993510,21cyclictest3405-21latency09:54:400
2426199350,2cyclictest0-21swapper/012:46:360
106891350,1ptp4l401ktimersoftd/311:01:373
106891350,0ptp4l401ktimersoftd/313:58:093
106891350,0ptp4l401ktimersoftd/312:27:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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