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2026-08-04 - 03:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot2.osadl.org (updated Tue Aug 04, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195123626070,4sleep01951238-21ntp_offset19:05:430
196973523000,2sleep01969733-21users20:11:200
196476722690,3chrt1964768-21apt19:55:110
199271522670,3chrt1992613-21/usr/sbin/munin21:35:220
197496022540,3chrt1974957-21ntpq20:30:550
203402022320,3sleep02034021-21ls00:05:080
195208699219175,19cyclictest2026347-21kworker/u2:200:10:370
195208699211181,19cyclictest2024544-21kworker/u2:123:35:340
195208699211180,19cyclictest2041324-21kworker/u2:000:30:320
195208699209179,18cyclictest2037191-21kworker/u2:100:25:050
195208699209179,18cyclictest1960470-21kworker/u2:220:05:310
195208699208178,18cyclictest2012460-21kworker/u2:023:00:050
195208699204172,20cyclictest1953486-21kworker/u2:019:40:030
195208699202172,18cyclictest2024544-21kworker/u2:123:55:030
195208699200173,17cyclictest2041324-21kworker/u2:000:40:040
195208699199169,18cyclictest2012460-21kworker/u2:023:15:050
195208699198168,18cyclictest1960470-21kworker/u2:219:50:310
195208699198166,19cyclictest2024544-21kworker/u2:100:00:090
195208699197167,18cyclictest1974386-21kworker/u2:120:40:050
195208699197166,19cyclictest2012460-21kworker/u2:023:20:050
195208699192161,19cyclictest1980958-21kworker/u2:221:10:360
195208699192155,25cyclictest1953486-21kworker/u2:019:20:050
195208699191164,17cyclictest1995752-21kworker/u2:121:50:050
195208699191162,17cyclictest2004117-21kworker/u2:122:35:390
195208699191161,19cyclictest2012460-21kworker/u2:023:05:050
195208699191160,20cyclictest1953486-21kworker/u2:019:40:350
195208699190149,17cyclictest1953486-21kworker/u2:019:20:370
195208699189161,17cyclictest2004117-21kworker/u2:122:30:370
195208699189159,18cyclictest2004117-21kworker/u2:122:20:090
197912921880,2sleep01979130-21gcc20:45:550
195208699188159,17cyclictest1999959-21kworker/u2:222:10:370
195208699187158,16cyclictest1960470-21kworker/u2:220:05:010
195208699187157,18cyclictest2012460-21kworker/u2:023:30:050
195208699186157,17cyclictest1977186-21kworker/u2:220:45:030
195208699185156,19cyclictest1988346-21kworker/u2:021:30:090
195208699185156,18cyclictest2012460-21kworker/u2:023:10:050
195208699184154,19cyclictest1970199-21kworker/u2:020:25:360
195208699184154,19cyclictest1970199-21kworker/u2:020:21:180
195208699182152,19cyclictest2012460-21kworker/u2:022:50:370
195208699181153,18cyclictest2037191-21kworker/u2:100:20:040
195208699181153,17cyclictest2012460-21kworker/u2:023:20:380
195208699181152,18cyclictest1998059-21kworker/u2:022:00:090
203424621800,4chrt2034247-21kernelversion00:05:270
195208699180151,18cyclictest2004117-21kworker/u2:122:26:200
195208699180151,17cyclictest2004117-21kworker/u2:122:20:030
199868921780,4chrt1998687-21ntpq21:56:100
195208699178150,17cyclictest1988346-21kworker/u2:021:25:040
195208699178149,17cyclictest1953486-21kworker/u2:019:30:370
195208699178146,19cyclictest1960470-21kworker/u2:219:50:050
195208699177147,19cyclictest2004117-21kworker/u2:122:40:290
195208699177146,19cyclictest1980958-21kworker/u2:221:00:260
195208699176148,17cyclictest1970199-21kworker/u2:020:20:070
195208699176146,18cyclictest1941753-21kworker/u2:119:15:070
195208699175144,19cyclictest1980958-21kworker/u2:221:06:320
195208699173144,18cyclictest1995752-21kworker/u2:121:50:330
195208699172142,18cyclictest2024544-21kworker/u2:123:45:460
195208699172142,18cyclictest2024544-21kworker/u2:123:45:070
195208699171143,18cyclictest1980958-21kworker/u2:221:00:070
204010621700,3chrt2040102-21ntpq00:26:030
198081721700,3chrt1980819-21timerandwakeup20:51:230
195208699168139,17cyclictest2024544-21kworker/u2:123:35:070
195208699168139,17cyclictest1988346-21kworker/u2:021:45:070
195685721670,4chrt1956854-21ntpq19:25:550
195208699166138,17cyclictest2012460-21kworker/u2:022:50:030
195208699166137,17cyclictest1980958-21kworker/u2:221:15:390
195208699164133,19cyclictest1999959-21kworker/u2:222:06:220
195208699161132,18cyclictest1988346-21kworker/u2:021:26:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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