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2026-05-23 - 18:47
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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 Sat May 23, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
508421620,3sleep12126499cyclictest09:10:031
1842721530,2sleep02125799cyclictest11:49:440
1068911450,35ptp4l401ktimersoftd/308:37:103
98552880,1sleep00-21swapper/013:19:420
209582860,2sleep10-21swapper/111:19:261
294772650,4sleep129484-21irqrtprio12:00:051
21270996349,8cyclictest33-21ksoftirqd/212:39:582
211382624,10sleep10-21swapper/108:39:241
21275996153,4cyclictest41-21ksoftirqd/312:09:583
106891600,1ptp4l401ktimersoftd/313:38:153
90142590,2sleep00-21swapper/012:45:050
106891580,1ptp4l401ktimersoftd/313:34:423
106891580,1ptp4l401ktimersoftd/311:03:463
21275995746,6cyclictest41-21ksoftirqd/311:04:573
148622570,4sleep125-21ksoftirqd/112:18:361
148622570,4sleep125-21ksoftirqd/112:18:361
54032560,2sleep20-21swapper/213:14:582
322312540,2sleep20-21swapper/212:03:032
21275995342,5cyclictest41-21ksoftirqd/308:44:523
21275995342,5cyclictest41-21ksoftirqd/308:44:523
21275995241,5cyclictest41-21ksoftirqd/313:04:593
211202514,36sleep00-21swapper/008:39:110
17752500,2sleep10-21swapper/109:05:091
21275994939,4cyclictest41-21ksoftirqd/310:14:543
21275994739,4cyclictest41-21ksoftirqd/311:34:493
21275994633,3cyclictest41-21ksoftirqd/311:25:023
106891460,2ptp4l17151-21kworker/3:212:41:073
21275994522,7cyclictest41-21ksoftirqd/309:55:043
21275994436,4cyclictest41-21ksoftirqd/313:14:583
21275994430,3cyclictest41-21ksoftirqd/311:44:463
106891440,1ptp4l17151-21kworker/3:212:31:393
2127599437,3cyclictest41-21ksoftirqd/313:00:413
21275994334,4cyclictest41-21ksoftirqd/309:29:553
21275994332,3cyclictest41-21ksoftirqd/313:20:173
21275994318,4cyclictest41-21ksoftirqd/313:29:033
21275994318,4cyclictest41-21ksoftirqd/312:05:473
21275994318,4cyclictest41-21ksoftirqd/311:48:023
2127599431,4cyclictest12635-21apt-get12:49:463
21275994234,4cyclictest41-21ksoftirqd/312:49:513
21275994222,7cyclictest41-21ksoftirqd/310:55:063
21275994219,4cyclictest41-21ksoftirqd/312:18:553
21275994219,4cyclictest41-21ksoftirqd/312:18:553
21275994216,4cyclictest41-21ksoftirqd/311:58:073
34162410,2sleep00-21swapper/011:34:390
2127599414,4cyclictest41-21ksoftirqd/310:20:013
21275994119,4cyclictest41-21ksoftirqd/310:00:013
21275994117,4cyclictest41-21ksoftirqd/311:20:503
21275994113,8cyclictest41-21ksoftirqd/313:54:483
21275994112,13cyclictest41-21ksoftirqd/310:44:433
2127599405,3cyclictest22415-21kworker/3:114:06:003
21275994027,10cyclictest41-21ksoftirqd/311:34:453
21275994018,4cyclictest41-21ksoftirqd/310:30:113
21275994016,4cyclictest41-21ksoftirqd/312:55:233
21275994015,4cyclictest41-21ksoftirqd/310:46:553
2127599401,3cyclictest41-21ksoftirqd/309:39:593
21275994013,9cyclictest41-21ksoftirqd/313:49:483
21264994029,8cyclictest25-21ksoftirqd/111:49:441
21275993929,3cyclictest41-21ksoftirqd/312:25:063
21275993929,3cyclictest41-21ksoftirqd/311:10:023
21275993918,7cyclictest41-21ksoftirqd/314:00:183
21275993918,7cyclictest41-21ksoftirqd/314:00:183
21275993916,4cyclictest41-21ksoftirqd/311:49:463
2127599391,3cyclictest41-21ksoftirqd/312:00:063
2127599387,8cyclictest41-21ksoftirqd/308:55:113
2127599386,10cyclictest41-21ksoftirqd/310:39:433
2127599386,10cyclictest41-21ksoftirqd/310:39:433
21275993827,3cyclictest41-21ksoftirqd/313:10:573
21275993825,3cyclictest41-21ksoftirqd/310:25:003
21275993823,12cyclictest41-21ksoftirqd/309:05:193
2127599381,3cyclictest41-21ksoftirqd/308:49:533
21275993810,4cyclictest41-21ksoftirqd/308:39:593
106891380,1ptp4l401ktimersoftd/313:55:523
106891380,1ptp4l401ktimersoftd/313:40:063
106891380,1ptp4l401ktimersoftd/310:54:233
106891380,1ptp4l401ktimersoftd/309:19:573
2127599379,5cyclictest41-21ksoftirqd/311:14:563
2127599374,5cyclictest121rcu_preempt10:09:423
2127599371,3cyclictest41-21ksoftirqd/309:14:593
21275993622,4cyclictest41-21ksoftirqd/312:37:593
2127599361,3cyclictest41-21ksoftirqd/308:59:593
2127599357,4cyclictest41-21ksoftirqd/309:10:043
21275993529,3cyclictest41-21ksoftirqd/309:50:023
21275993523,4cyclictest41-21ksoftirqd/309:45:013
2127599350,3cyclictest121rcu_preempt09:24:563
106891350,0ptp4l401ktimersoftd/312:21:503
21275993428,3cyclictest41-21ksoftirqd/309:35:093
21275993410,4cyclictest41-21ksoftirqd/310:09:593
311402330,5sleep231142-21unixbench_multi10:55:142
21270993320,10cyclictest33-21ksoftirqd/211:29:452
21264993227,3cyclictest25-21ksoftirqd/109:29:421
21257993127,2cyclictest9-21ksoftirqd/009:19:420
21264993025,3cyclictest25-21ksoftirqd/112:49:461
21264993024,3cyclictest25-21ksoftirqd/111:24:451
21257993024,3cyclictest9-21ksoftirqd/012:29:460
202642300,2sleep10-21swapper/112:24:261
21270992923,3cyclictest33-21ksoftirqd/210:54:442
21270992922,3cyclictest33-21ksoftirqd/213:30:002
21264992924,3cyclictest25-21ksoftirqd/112:50:051
21264992923,3cyclictest25-21ksoftirqd/111:34:451
209362296,10sleep20-21swapper/208:36:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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