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2026-05-12 - 22:33
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Tue May 12, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3169722690,4sleep00-21swapper/008:28:570
172321580,4sleep248699cyclictest12:54:232
53821570,5sleep349299cyclictest09:38:563
53821570,5sleep349299cyclictest09:38:563
1068911410,3ptp4l401ktimersoftd/308:33:253
278742700,3sleep3391rcuc/309:28:523
475996414,12cyclictest28235-21tail11:08:550
475996413,13cyclictest14910-21ssh13:09:000
475996315,19cyclictest17057-21uname12:04:000
475996114,14cyclictest24261-21unixbench_multi12:44:110
273662610,2sleep00-21swapper/013:54:110
106891610,1ptp4l401ktimersoftd/313:29:353
47599609,13cyclictest21138-21ls11:34:100
475996013,13cyclictest15495-21irqrtprio11:28:590
475996013,13cyclictest15495-21irqrtprio11:28:590
475995914,12cyclictest25855-21diskmemload11:20:500
475995912,16cyclictest9908-21perl13:03:580
475995912,12cyclictest2896-21cat08:38:360
475995911,16cyclictest25855-21diskmemload13:23:300
475995911,13cyclictest0-21swapper/010:33:500
475995910,13cyclictest9683-21ls12:29:110
475995910,12cyclictest1291-21wc11:48:400
47599589,12cyclictest27376-21latency_hist11:08:390
475995811,17cyclictest22349-21sed12:43:420
475995811,12cyclictest13101-21sed08:58:360
475995811,11cyclictest30746-21bc12:18:520
475995810,15cyclictest14464-21ssh13:42:140
106891580,1ptp4l401ktimersoftd/312:38:503
492995725,4cyclictest41-21ksoftirqd/313:19:123
47599578,20cyclictest0-21swapper/014:03:430
475995712,11cyclictest25393-21ls09:23:510
475995711,11cyclictest25855-21diskmemload13:29:040
475995710,13cyclictest14273-21mailstats12:34:040
106891570,1ptp4l401ktimersoftd/313:07:483
492995630,4cyclictest41-21ksoftirqd/310:38:393
492995628,4cyclictest41-21ksoftirqd/310:58:573
47599568,17cyclictest0-21swapper/013:14:050
47599568,17cyclictest0-21swapper/013:14:050
475995612,12cyclictest9127-21date09:58:370
475995611,11cyclictest25855-21diskmemload10:51:430
475995611,11cyclictest22514-21latency_hist09:18:360
175922560,2sleep00-21swapper/010:13:570
492995529,4cyclictest41-21ksoftirqd/312:49:073
492995528,3cyclictest41-21ksoftirqd/311:18:393
475995512,17cyclictest954-21phc2sys09:38:580
475995512,17cyclictest954-21phc2sys09:38:580
475995511,9cyclictest31206-21apt-get10:38:500
475995511,12cyclictest20463-21sed13:48:430
475995510,9cyclictest21795-21if_err_ens312:08:580
106891550,1ptp4l401ktimersoftd/311:39:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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