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2026-06-16 - 12:10
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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 Jun 16, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1620821730,1sleep20-21swapper/200:00:382
1022621490,5sleep12076999cyclictest22:43:001
1634321480,4sleep02076199cyclictest00:00:520
1068911050,4ptp4l401ktimersoftd/320:51:043
1068911050,4ptp4l401ktimersoftd/320:51:043
20162800,2sleep00-21swapper/001:58:150
134842760,2sleep10-21swapper/121:42:581
105791690,4getstats2078299cyclictest01:12:443
20782996652,6cyclictest41-21ksoftirqd/300:47:593
205582664,10sleep00-21swapper/020:51:230
205582664,10sleep00-21swapper/020:51:230
256982650,2sleep20-21swapper/223:03:042
20782996451,6cyclictest41-21ksoftirqd/300:32:573
325402630,2sleep20-21swapper/200:50:282
20782996148,6cyclictest41-21ksoftirqd/323:12:553
20782996148,6cyclictest41-21ksoftirqd/301:02:573
20782996148,6cyclictest41-21ksoftirqd/300:27:573
149932610,3sleep02076199cyclictest01:38:200
20782996046,6cyclictest41-21ksoftirqd/322:17:553
20782996046,6cyclictest41-21ksoftirqd/302:12:593
106891570,1ptp4l401ktimersoftd/323:23:303
20782995542,6cyclictest41-21ksoftirqd/321:57:533
87312530,2sleep20-21swapper/202:05:522
191432534,35sleep20-21swapper/220:47:582
191432534,35sleep20-21swapper/220:47:582
20782995241,4cyclictest41-21ksoftirqd/301:47:593
106891500,1ptp4l401ktimersoftd/323:20:363
75382490,1sleep10-21swapper/100:24:181
75382490,1sleep10-21swapper/100:24:181
20782994523,6cyclictest41-21ksoftirqd/323:43:053
20782994522,4cyclictest41-21ksoftirqd/321:32:563
20782994432,6cyclictest41-21ksoftirqd/322:22:553
20782994432,5cyclictest41-21ksoftirqd/321:47:563
106891440,1ptp4l401ktimersoftd/322:54:043
106891430,0ptp4l401ktimersoftd/301:15:303
106891420,2ptp4l18083-21kworker/3:122:38:573
106891420,2ptp4l18083-21kworker/3:122:38:573
106891420,1ptp4l401ktimersoftd/321:02:583
20782994031,4cyclictest41-21ksoftirqd/323:27:563
20782994028,6cyclictest41-21ksoftirqd/302:07:583
20782994028,6cyclictest41-21ksoftirqd/302:07:583
106891400,1ptp4l401ktimersoftd/301:54:573
106891400,1ptp4l401ktimersoftd/301:22:443
20782993932,3cyclictest41-21ksoftirqd/301:58:493
20782993926,3cyclictest41-21ksoftirqd/301:43:193
106891390,1ptp4l401ktimersoftd/323:37:563
106891390,1ptp4l401ktimersoftd/323:03:063
106891390,1ptp4l401ktimersoftd/322:58:573
106891380,1ptp4l401ktimersoftd/323:35:033
106891380,1ptp4l401ktimersoftd/323:10:053
106891380,1ptp4l401ktimersoftd/321:00:503
106891380,1ptp4l401ktimersoftd/302:04:523
106891380,1ptp4l401ktimersoftd/301:31:533
106891380,1ptp4l401ktimersoftd/301:24:483
106891380,1ptp4l401ktimersoftd/300:59:283
106891380,1ptp4l401ktimersoftd/300:44:193
106891380,1ptp4l401ktimersoftd/300:16:243
106891380,1ptp4l401ktimersoftd/300:16:243
106891380,1ptp4l401ktimersoftd/300:09:533
106891370,1ptp4l401ktimersoftd/323:49:023
106891370,1ptp4l401ktimersoftd/321:42:373
106891370,1ptp4l401ktimersoftd/301:38:093
106891370,1ptp4l401ktimersoftd/300:54:363
106891370,1ptp4l401ktimersoftd/300:40:493
106891370,0ptp4l401ktimersoftd/300:19:563
20782993629,3cyclictest41-21ksoftirqd/321:12:513
20761993629,4cyclictest3184-21idleruntime-cro21:22:410
106891360,1ptp4l401ktimersoftd/302:20:523
106891360,1ptp4l401ktimersoftd/302:20:523
106891360,1ptp4l401ktimersoftd/300:04:183
106891360,1ptp4l401ktimersoftd/300:00:103
106891360,0ptp4l401ktimersoftd/322:37:423
2078299351,3cyclictest121rcu_preempt21:12:413
2076199352,30cyclictest10288-21cron21:37:410
106891350,0ptp4l401ktimersoftd/323:54:513
106891350,0ptp4l401ktimersoftd/322:08:033
106891340,1ptp4l401ktimersoftd/300:23:483
106891340,1ptp4l401ktimersoftd/300:23:483
106891330,1ptp4l401ktimersoftd/301:36:263
20782993227,3cyclictest41-21ksoftirqd/321:42:523
20782993227,3cyclictest41-21ksoftirqd/321:22:413
20782993124,3cyclictest41-21ksoftirqd/322:47:593
106891310,0ptp4l401ktimersoftd/322:28:043
106891310,0ptp4l401ktimersoftd/321:29:523
2078299304,4cyclictest41-21ksoftirqd/321:52:563
20782993025,3cyclictest41-21ksoftirqd/321:22:573
2078299302,3cyclictest131rcu_sched20:57:403
20782993020,8cyclictest41-21ksoftirqd/322:03:013
20782992924,3cyclictest41-21ksoftirqd/322:42:583
20782992923,3cyclictest41-21ksoftirqd/322:12:553
20773992922,4cyclictest33-21ksoftirqd/201:07:312
20769992924,3cyclictest25-21ksoftirqd/101:22:461
20773992821,4cyclictest33-21ksoftirqd/221:47:452
2077399281,3cyclictest121rcu_preempt01:46:302
20769992823,3cyclictest25-21ksoftirqd/121:12:531
20769992822,3cyclictest25-21ksoftirqd/123:12:561
186142286,10sleep10-21swapper/120:47:521
186142286,10sleep10-21swapper/120:47:521
130422280,4sleep22077399cyclictest00:30:252
309092270,3sleep22077399cyclictest23:42:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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