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2026-06-24 - 14:17
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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 Wed Jun 24, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4435699322,2cyclictest147042-21irqcore20:50:173
4435699311,20cyclictest273313-21cron22:55:003
44356993020,3cyclictest85163-21apt-get19:50:113
44356993019,3cyclictest80095-21apt-get19:45:123
44356993019,3cyclictest80095-21apt-get19:45:113
4435699300,20cyclictest0-21swapper/319:55:113
4435699290,20cyclictest0-21swapper/300:20:133
44349992919,9cyclictest54450-21cron19:20:000
4435699281,20cyclictest0-21swapper/320:35:123
4435699262,3cyclictest263407-21apt-get22:45:123
44356992618,3cyclictest0-21swapper/320:30:133
4435699260,23cyclictest45052-21grep19:10:163
4435499261,23cyclictest212578-21cron21:55:012
4435699252,2cyclictest238146-21apt-get22:20:123
44356992519,1cyclictest0-21swapper/320:10:123
44354992521,2cyclictest0-21swapper/220:30:002
44354992520,3cyclictest131277-21apt-get20:35:132
44354992519,4cyclictest115390-21cron20:20:002
44354992519,3cyclictest360543-21apt-get00:20:132
4435499251,21cyclictest166865-21apt-get21:10:142
4435499251,20cyclictest59798-21apt-get19:25:132
4435499250,23cyclictest276107-21kthreadcore22:55:192
4435499250,23cyclictest268986-21irqcore22:50:172
4435499250,23cyclictest151352-21latency_hist20:55:002
44351992520,3cyclictest233065-21apt-get22:15:121
4435199251,21cyclictest136368-21apt-get20:40:121
4435199251,20cyclictest177468-21apt-get21:20:131
44356992419,3cyclictest125550-21apt-key20:30:003
4435699240,22cyclictest50134-21grep19:15:163
4435699240,20cyclictest0-21swapper/300:30:133
44354992419,3cyclictest182505-21apt-get21:25:122
4435499241,3cyclictest55227-21grep19:20:152
4435499241,20cyclictest0-21swapper/223:10:122
4435499241,20cyclictest0-21swapper/200:35:122
4435499240,20cyclictest49634-21apt-get19:15:122
4435499240,20cyclictest0-21swapper/219:30:112
4435199241,20cyclictest253327-21apt-get22:35:111
4434999242,2cyclictest192614-21apt-get21:35:140
4434999242,2cyclictest126210-21apt-get20:30:130
44349992419,3cyclictest227734-21cron22:10:010
44349992418,5cyclictest344698-21cron00:05:000
44356992319,2cyclictest0-21swapper/321:45:123
44356992318,3cyclictest344981-21apt-get00:05:153
4435699231,2cyclictest360263-21cron00:20:003
4435699231,2cyclictest110572-21apt-get20:15:093
4435699231,21cyclictest273583-21apt-get22:55:123
4435699230,21cyclictest73939-21/usr/sbin/munin19:35:213
4435699230,20cyclictest0-21swapper/321:35:133
4435699230,20cyclictest0-21swapper/321:20:123
4435699230,19cyclictest0-21swapper/323:20:113
44354992319,3cyclictest228499-21sort22:10:152
44354992319,2cyclictest0-21swapper/222:20:132
44354992319,2cyclictest0-21swapper/221:35:132
44354992319,2cyclictest0-21swapper/221:00:112
44354992318,4cyclictest0-21swapper/222:10:012
4435499231,2cyclictest212854-21apt-get21:55:152
4435499231,21cyclictest355485-21apt-get00:15:122
4435499231,20cyclictest0-21swapper/222:40:112
4435499230,21cyclictest298653-21dpkg23:20:012
4435499230,20cyclictest0-21swapper/221:45:122
4435499230,20cyclictest0-21swapper/200:30:132
4435499230,20cyclictest0-21swapper/200:25:062
44351992320,2cyclictest0-21swapper/123:00:161
44351992319,2cyclictest105485-21apt-get20:10:121
4435199231,2cyclictest187560-21apt-get21:30:131
4435199230,21cyclictest125906-21latency_hist20:30:011
4435199230,20cyclictest0-21swapper/119:30:111
44349992320,2cyclictest304401-21apt-get23:25:110
44349992320,1cyclictest151623-21apt-get20:55:140
44349992319,2cyclictest64843-21apt-get19:30:110
44349992319,2cyclictest350006-21apt-get00:10:100
4434999231,21cyclictest203260-21ps21:45:160
4434999231,21cyclictest146552-21apt-get20:50:140
4434999230,22cyclictest63658-21ntpq19:25:210
4434999230,21cyclictest273586-21seq22:55:120
4434999230,21cyclictest268208-21cron22:50:010
44356992219,2cyclictest298792-21grep23:20:013
44356992218,2cyclictest319340-21ls23:40:003
44356992216,4cyclictest100892-21irqcore20:05:163
4435699221,20cyclictest343831-21ntpq00:00:233
4435699221,20cyclictest0-21swapper/320:20:133
4435699220,2cyclictest324418-21cron23:45:003
4435699220,2cyclictest0-21swapper/321:50:123
4435699220,21cyclictest237867-21cron22:20:003
4435699220,21cyclictest0-21swapper/321:07:163
4435699220,21cyclictest0-21swapper/300:25:113
4435699220,19cyclictest0-21swapper/323:05:123
44354992220,1cyclictest197689-21apt-get21:40:122
44354992219,2cyclictest0-21swapper/223:55:132
44354992218,2cyclictest0-21swapper/223:45:132
44354992218,2cyclictest0-21swapper/223:40:112
44354992218,2cyclictest0-21swapper/223:30:112
44354992218,2cyclictest0-21swapper/222:45:122
44354992217,4cyclictest0-21swapper/219:35:122
44354992216,4cyclictest75508-21irqcore19:40:162
4435499221,2cyclictest0-21swapper/221:15:132
4435499221,2cyclictest0-21swapper/200:05:162
4435499221,1cyclictest314533-21apt-get23:35:112
4435499220,2cyclictest304125-21cron23:25:002
4435499220,2cyclictest253828-21tr22:35:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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