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2026-08-13 - 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: 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 Aug 13, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195029599321,21cyclictest2134978-21apt-get22:10:122
195028999321,22cyclictest2048292-21apt-get20:45:110
195028999320,4cyclictest2191427-21sleep23:05:000
195028999320,3cyclictest1970980-21cron19:30:000
195028999310,3cyclictest2170878-21cat22:44:590
195028999310,29cyclictest1-21systemd21:40:000
1950295993019,8cyclictest1981419-21apt-get19:40:122
195029599301,27cyclictest0-21swapper/220:25:122
195028999290,2cyclictest1987009-21grep19:45:170
195029599280,2cyclictest2171339-21apt-get22:45:022
195029599280,27cyclictest0-21swapper/219:20:152
195029599280,25cyclictest21147072chrt21:50:122
195028999282,2cyclictest2242392-21apt-get23:55:120
195028999280,25cyclictest0-21swapper/020:25:120
195029599272,21cyclictest2160815-21apt-get22:35:102
1950295992718,7cyclictest0-21swapper/220:30:212
1950295992717,9cyclictest2063260-21munin-run20:59:592
195029599271,24cyclictest0-21swapper/222:25:032
195029599270,24cyclictest0-21swapper/200:35:122
195028999270,25cyclictest2231980-21munin-run23:44:590
195029999261,22cyclictest702-21runrttasks23:35:103
195029999261,20cyclictest0-21swapper/300:20:123
1950295992620,4cyclictest1991960-21apt-get19:50:122
195028999261,1cyclictest2155772-21apt-get22:30:120
195029999251,22cyclictest2062407-21ntpq20:55:223
195029999251,21cyclictest1955620-21apt-get19:15:123
195029999251,21cyclictest0-21swapper/321:20:123
195029999251,21cyclictest0-21swapper/300:05:163
195029999250,23cyclictest1-21systemd19:59:593
195029999250,22cyclictest2078780-21seq21:15:113
195029999250,21cyclictest2109635-21apt-get21:45:113
1950295992519,4cyclictest0-21swapper/223:15:122
195029599251,21cyclictest2252577-21apt-get00:05:162
195029599251,21cyclictest2145188-21apt-get22:20:112
195029599250,2cyclictest0-21swapper/223:55:132
195029599250,23cyclictest2187096-21sort23:00:162
195029399251,5cyclictest2129656-21cron22:05:011
195029399251,21cyclictest2007614-21apt-get20:05:111
1950299992419,3cyclictest2124867-21apt-get22:00:143
1950299992419,3cyclictest2033070-21apt-get20:30:153
1950299992418,5cyclictest2170844-21seq22:45:003
1950299992418,3cyclictest2053405-21apt-get20:50:113
1950299992416,6cyclictest2140075-21taskset22:15:103
195029999241,21cyclictest2150016-21https22:25:003
195029999241,20cyclictest0-21swapper/319:45:143
195029999240,20cyclictest0-21swapper/319:10:113
195029599242,2cyclictest2232229-21apt-get23:45:112
1950295992420,2cyclictest2073686-21apt-get21:10:122
1950295992420,2cyclictest2073686-21apt-get21:10:112
1950295992420,2cyclictest2017799-21apt-get20:15:132
1950295992420,2cyclictest2002524-21apt-get20:00:132
1950295992419,4cyclictest0-21swapper/220:45:122
195029599241,3cyclictest2140561-21tr22:15:142
195029599241,21cyclictest2166386-21grep22:40:162
195029599241,20cyclictest1986511-21apt-get19:45:132
195029599240,22cyclictest1960472-21apt-key19:20:012
195029599240,22cyclictest0-21swapper/221:30:132
195029599240,21cyclictest1997054-21taskset19:55:112
195029399242,2cyclictest2247489-21apt-get00:00:121
195029399241,3cyclictest2181512-21apt-get22:55:111
195029399241,3cyclictest2088705-21munin-run21:25:001
195029399241,22cyclictest2206869-21taskset23:20:131
195028999242,2cyclictest2089387-21apt-get21:25:130
1950289992413,10cyclictest0-21swapper/023:50:000
195028999240,17cyclictest0-21swapper/022:10:100
1950299992319,3cyclictest2068328-21fwupdmgr21:05:003
1950299992319,2cyclictest2278017-21apt-get00:30:133
1950299992319,2cyclictest2216749-21cron23:30:003
1950299992319,2cyclictest2043199-21apt-get20:40:103
1950299992318,3cyclictest2027957-21taskset20:25:123
1950299992318,3cyclictest2003025-21tr20:00:163
195029999231,2cyclictest0-21swapper/321:11:473
195029999231,2cyclictest0-21swapper/321:11:463
195029999231,21cyclictest2237297-21apt-get23:50:093
195029999231,20cyclictest1961114-21apt-get19:20:113
195029999230,21cyclictest2017516-21sh20:14:593
195029999230,20cyclictest0-21swapper/323:45:113
195029999230,20cyclictest0-21swapper/323:40:123
195029999230,20cyclictest0-21swapper/319:50:113
1950295992319,3cyclictest1976097-21basename19:35:012
195029599231,2cyclictest2267827-21apt-get00:20:122
195029599230,22cyclictest2058205-21systemd-run20:55:002
195029599230,21cyclictest2089886-21sed21:25:182
195029599230,20cyclictest0-21swapper/223:25:132
195029599230,20cyclictest0-21swapper/222:50:102
1950293992320,2cyclictest2140072-21apt-get22:15:101
1950293992319,2cyclictest2283147-21apt-get00:35:121
1950293992319,2cyclictest2257661-21apt-get00:10:111
1950293992318,4cyclictest3871586-21snmpd22:08:451
195029399231,2cyclictest2078777-21apt-get21:15:131
195029399231,21cyclictest2099501-21apt-get21:35:121
195029399230,22cyclictest2237798-21grep23:50:151
195029399230,20cyclictest0-21swapper/121:05:111
1950289992314,8cyclictest61650irq/133-enp0s29f1:rx-022:55:090
1950289992312,10cyclictest2124966-21cpuspeed_turbos22:00:140
1950299992219,2cyclictest0-21swapper/323:10:113
1950299992219,2cyclictest0-21swapper/320:45:123
1950299992219,1cyclictest0-21swapper/323:55:123
1950299992218,2cyclictest0-21swapper/321:35:123
195029999221,2cyclictest2206866-21apt-get23:20:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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