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2026-04-24 - 15:16
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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 Fri Apr 24, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237675993328,3cyclictest0-21swapper/223:54:592
237677992724,2cyclictest389555-21fwupd21:37:013
23767599275,20cyclictest0-21swapper/200:30:172
23767099271,21cyclictest344150-21apt-get20:55:121
23767799261,21cyclictest435698-21apt-get22:25:133
237675992621,3cyclictest273269-21apt-get19:45:112
23767599261,3cyclictest415399-21apt-get22:05:102
23767799251,21cyclictest430653-21apt-get22:20:123
23767599251,22cyclictest502040-21seq23:30:122
23767599251,21cyclictest334026-21apt-get20:45:132
23767599251,21cyclictest334026-21apt-get20:45:122
23767599251,21cyclictest261-21systemd-journal20:10:002
23767099252,20cyclictest507083-21apt-get23:35:121
23767099251,3cyclictest425563-21apt-get22:15:141
23767099251,21cyclictest547482-21apt-get00:15:101
23767099251,21cyclictest323873-21apt-get20:35:111
23767099251,21cyclictest293526-21apt-get20:05:111
23766799251,20cyclictest466110-21apt-get22:55:120
23766799251,20cyclictest303657-21apt-get20:15:110
237677992420,2cyclictest247977-21apt-get19:20:093
23767799241,2cyclictest461039-21apt-get22:50:103
23767799241,21cyclictest481715-21apt-get23:10:133
23767799241,21cyclictest420470-21apt-get22:10:133
23767799241,20cyclictest0-21swapper/323:30:123
23767799240,20cyclictest0-21swapper/322:45:143
23767799240,20cyclictest0-21swapper/320:00:113
23767799240,20cyclictest0-21swapper/300:20:113
23767599242,2cyclictest491875-21apt-get23:20:112
23767599242,20cyclictest486781-21apt-get23:15:112
237675992420,2cyclictest542451-21apt-get00:10:122
237675992419,3cyclictest364885-21apt-get21:15:122
237675992419,3cyclictest355717-21cut21:05:172
23767599241,3cyclictest556558-21ntpq00:20:212
23767599241,2cyclictest507083-21apt-get23:35:122
23767599241,21cyclictest486509-21ls23:14:592
23767599241,21cyclictest455950-21apt-get22:45:132
23767599241,21cyclictest389811-21sh21:40:002
23767599241,21cyclictest0-21swapper/222:50:102
23767599241,21cyclictest0-21swapper/221:45:122
23767599241,20cyclictest424429-21ntpq22:10:232
23767099242,2cyclictest283397-21apt-get19:55:121
237670992420,2cyclictest318795-21apt-get20:30:121
237670992420,2cyclictest268216-21apt-get19:40:121
23767099241,20cyclictest339074-21apt-get20:50:111
23767099241,20cyclictest328949-21apt-get20:40:111
23767099241,20cyclictest283137-21munin-run19:54:591
23767099241,20cyclictest258086-21apt-get19:30:111
23767099241,20cyclictest0-21swapper/120:10:121
23767099241,19cyclictest567836-21apt-get00:35:141
23767099240,22cyclictest521988-21idleruntime-cro23:50:001
23767099240,22cyclictest440476-21cron22:29:591
23766799242,2cyclictest288471-21apt-get20:00:110
23766799242,21cyclictest263140-21apt-get19:35:120
237667992421,2cyclictest537400-21apt-get00:05:120
237677992319,3cyclictest3871586-21snmpd19:35:223
23767799231,2cyclictest369941-21apt-get21:20:113
23767799230,22cyclictest307805-21timerandwakeup20:15:243
23767799230,20cyclictest0-21swapper/321:45:113
23767799230,20cyclictest0-21swapper/319:45:113
23767799230,20cyclictest0-21swapper/300:30:123
237675992319,2cyclictest0-21swapper/222:20:122
237675992319,2cyclictest0-21swapper/220:00:122
23767599231,3cyclictest0-21swapper/221:10:122
23767599231,2cyclictest0-21swapper/219:10:112
23767599231,21cyclictest41-21ksoftirqd/222:35:122
23767599231,21cyclictest0-21swapper/221:40:132
23767599231,21cyclictest0-21swapper/220:25:132
23767599231,20cyclictest0-21swapper/222:30:122
23767599231,20cyclictest0-21swapper/221:55:172
23767599230,3cyclictest470199-21/usr/sbin/munin22:55:242
23767599230,21cyclictest0-21swapper/221:20:112
23767099230,20cyclictest0-21swapper/123:30:131
23767099230,20cyclictest0-21swapper/100:30:131
23767099230,19cyclictest0-21swapper/119:10:111
23766799231,3cyclictest268699-21irqcore19:40:160
23766799231,2cyclictest562763-21apt-get00:30:120
23766799231,21cyclictest308714-21apt-get20:20:120
23766799231,20cyclictest532347-21apt-get00:00:120
23766799230,22cyclictest451828-21ps22:40:170
23767799221,1cyclictest0-21swapper/322:00:123
23767799221,19cyclictest522260-21apt-get23:50:113
23767799221,19cyclictest0-21swapper/322:40:133
23767799220,2cyclictest450607-21idleruntime-cro22:39:593
23767799220,2cyclictest303378-21cron20:15:003
237675992219,2cyclictest319283-21grep20:30:162
237675992217,4cyclictest0-21swapper/221:50:132
237675992217,2cyclictest496968-21apt-get23:25:122
237675992217,2cyclictest496968-21apt-get23:25:112
237675992216,4cyclictest354010-21awk21:05:002
23767599221,20cyclictest0-21swapper/200:15:102
23767599221,19cyclictest283119-21cron19:54:592
23767599220,21cyclictest0-21swapper/221:30:132
23767599220,20cyclictest0-21swapper/222:25:132
23767599220,20cyclictest0-21swapper/219:28:312
237670992219,1cyclictest0-21swapper/120:20:121
23767099221,1cyclictest410354-21apt-get22:00:121
23767099221,1cyclictest380026-21apt-get21:30:141
23767099220,20cyclictest0-21swapper/122:10:121
23767099220,19cyclictest0-21swapper/122:40:111
23767099220,19cyclictest0-21swapper/121:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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