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2026-07-16 - 10:06
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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 rackeslot4.osadl.org (updated Thu Jul 16, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
775996993631,3cyclictest0-21swapper/120:40:161
77599899290,3cyclictest1057943-21cron23:44:592
775991992718,2cyclictest940953-21cron21:50:000
776001992619,5cyclictest791666-21basename19:25:003
77599699262,21cyclictest1078630-21apt-get00:05:121
77599699260,24cyclictest1078350-21cron00:05:001
775991992621,3cyclictest1016991-21awk23:05:000
77600199252,21cyclictest843163-21apt-get20:15:133
77600199250,5cyclictest1095213-21irqcore00:20:173
77599899252,20cyclictest827934-21apt-get20:00:122
77599899251,21cyclictest986893-21apt-get22:35:122
77599899251,20cyclictest966547-21apt-get22:15:112
77599899251,20cyclictest966547-21apt-get22:15:112
77599899251,20cyclictest899393-21apt-get21:10:122
77599699252,21cyclictest996986-21apt-get22:45:111
77599699252,21cyclictest894350-21apt-get21:05:151
77599699251,21cyclictest971639-21apt-get22:20:111
77599699251,21cyclictest807162-21apt-get19:40:111
77599699251,21cyclictest807162-21apt-get19:40:111
77599699250,5cyclictest0-21swapper/121:15:001
77599699250,23cyclictest822393-21awk19:55:011
776001992420,3cyclictest481rcuc/321:15:113
776001992419,3cyclictest1113924-21ntpq00:35:223
776001992419,3cyclictest1109712-21cron00:35:003
77600199241,2cyclictest0-21swapper/319:25:123
77600199241,21cyclictest833004-21apt-get20:05:133
77600199240,23cyclictest1002058-21taskset22:50:103
77600199240,22cyclictest842888-21sh20:15:003
77600199240,22cyclictest1064234-21sed23:50:173
775998992421,2cyclictest1016987-21cron23:05:002
775998992420,2cyclictest1032446-21apt-get23:20:122
775998992419,3cyclictest1042582-21apt-get23:30:112
77599899241,2cyclictest838069-21apt-get20:10:102
77599899240,20cyclictest0-21swapper/223:45:112
77599699241,3cyclictest847124-21ntpq20:15:211
77599699241,21cyclictest961202-21cron22:10:001
77599699241,20cyclictest0-21swapper/121:55:161
77599699240,23cyclictest837798-21ls20:10:011
77599699240,21cyclictest1068851-21irqcore23:55:141
77599699240,21cyclictest0-21swapper/100:30:111
77599699240,20cyclictest0-21swapper/119:25:121
77599199242,20cyclictest802075-21apt-get19:35:120
776001992320,1cyclictest50-21ksoftirqd/321:40:003
77600199231,2cyclictest883078-21ntpq20:50:223
77600199231,2cyclictest516-21rs:main3
77600199231,2cyclictest516-21rs:main3
77600199231,2cyclictest1032445-21apt23:20:123
77600199231,20cyclictest0-21swapper/322:10:133
77600199231,20cyclictest0-21swapper/319:40:123
77600199231,20cyclictest0-21swapper/319:40:113
77600199230,21cyclictest864416-21ps20:35:173
77600199230,21cyclictest1052488-21true23:40:013
77600199230,21cyclictest0-21swapper/322:25:103
775998992320,2cyclictest936132-21apt-get21:45:102
775998992320,2cyclictest915469-21apt-get21:25:122
77599899231,2cyclictest848182-21apt-config20:20:002
77599899231,2cyclictest1027397-21apt-get23:15:122
77599899231,20cyclictest787389-21grep19:20:162
77599899230,2cyclictest1042304-21cron23:30:002
77599899230,20cyclictest0-21swapper/220:05:142
77599699232,2cyclictest0-21swapper/100:10:131
775996992319,2cyclictest981534-21latency_hist22:30:001
775996992319,2cyclictest1058214-21apt-get23:45:121
775996992319,2cyclictest0-21swapper/100:15:031
775996992318,3cyclictest894071-21cron21:05:001
77599699231,2cyclictest64-21kcompactd000:25:561
77599699231,2cyclictest1094730-21apt-get00:20:121
77599699231,2cyclictest1063283-21apt-get23:50:121
77599699231,21cyclictest0-21swapper/119:15:181
77599699230,21cyclictest915472-21taskset21:25:111
77599699230,21cyclictest828434-21grep20:00:161
77599699230,20cyclictest0-21swapper/122:50:111
77599699230,19cyclictest0-21swapper/122:35:111
775991992320,2cyclictest791935-21apt-get19:25:110
775991992320,2cyclictest1099822-21apt-get00:25:110
775991992319,2cyclictest941230-21apt-get21:50:130
77599199231,2cyclictest848681-21apt-get20:20:120
77599199231,20cyclictest920538-21apt-get21:30:130
77599199231,20cyclictest889276-21apt-get21:00:090
77599199231,1cyclictest0-21swapper/023:30:130
77599199230,21cyclictest847984-21ls20:20:000
776001992220,1cyclictest3777322-21systemd-journal21:45:543
776001992219,2cyclictest0-21swapper/323:40:123
776001992219,2cyclictest0-21swapper/321:50:133
776001992219,2cyclictest0-21swapper/319:35:133
776001992218,2cyclictest898269-21ntpq21:05:243
776001992218,2cyclictest889276-21apt-get21:00:103
776001992218,2cyclictest1012191-21apt-get23:00:103
77600199221,20cyclictest0-21swapper/320:27:483
77600199220,2cyclictest0-21swapper/300:25:123
77600199220,21cyclictest1027891-21taskset23:15:163
77600199220,20cyclictest946823-21cut21:55:173
775998992219,2cyclictest0-21swapper/200:35:122
775998992219,1cyclictest0-21swapper/221:50:132
77599899220,20cyclictest1094071-21apt-key00:20:012
775996992219,2cyclictest0-21swapper/123:00:151
775996992218,2cyclictest776212-21apt-get19:10:131
775996992217,3cyclictest961480-21apt-get22:10:121
77599699221,2cyclictest0-21swapper/120:20:121
77599699220,21cyclictest64-21kcompactd022:04:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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