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2026-04-24 - 02:39
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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 Apr 23, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
758461993127,2cyclictest134-1kworker/1:1H+kblockd09:10:271
75847099262,21cyclictest1008680-21apt-get11:15:123
75845799261,5cyclictest901839-21sed09:30:170
758470992520,3cyclictest911438-21apt-get09:40:123
75847099251,21cyclictest815141-21apt-get08:05:123
75846699252,20cyclictest977800-21apt-get10:45:132
75846199251,22cyclictest855364-21sh08:45:011
75846199251,21cyclictest825319-21apt-get08:15:131
75845799252,3cyclictest998589-21apt-get11:05:120
75845799251,4cyclictest0-21swapper/007:30:160
75845799251,21cyclictest0-21swapper/007:25:120
758470992420,2cyclictest1049211-21apt-get11:55:113
758470992420,2cyclictest1039104-21apt-get11:45:133
75847099241,3cyclictest779264-21apt-get07:30:123
75847099241,22cyclictest937275-21apt-get10:05:123
75847099241,21cyclictest1090275-21awk12:35:003
75846699241,21cyclictest922001-21apt-get09:50:122
75846699240,22cyclictest0-21swapper/212:00:162
758461992421,2cyclictest1038861-21systemd-run11:45:001
75846199241,3cyclictest927114-21apt-get09:55:121
75846199241,20cyclictest1018815-21apt-get11:25:111
75845799241,3cyclictest211rcuc/011:40:000
75845799241,2cyclictest784336-21apt-get07:35:110
75845799241,22cyclictest891235-21apt-get09:20:120
75845799241,21cyclictest1085469-21apt-get12:30:110
75845799241,21cyclictest1060685-21ps12:05:160
75845799241,20cyclictest947389-21apt-get10:15:120
75845799240,22cyclictest890976-21grep09:20:000
758470992319,3cyclictest1069110-21ntpq12:10:183
758470992319,3cyclictest1044355-21fschecks_time11:50:143
758470992317,4cyclictest885812-21cron09:15:013
75847099231,2cyclictest952460-21apt-get10:20:113
75847099231,21cyclictest830398-21apt-get08:20:133
75847099231,21cyclictest0-21swapper/308:15:133
75847099230,3cyclictest927601-21sed09:55:163
75847099230,1cyclictest191rcu_preempt12:00:123
758466992320,2cyclictest514-21in:imuxsock08:25:012
758466992319,3cyclictest1044627-21irqcore11:50:152
75846699231,2cyclictest820218-21apt-get08:10:122
75846699231,21cyclictest401ktimers/207:27:352
75846699231,19cyclictest0-21swapper/212:28:052
75846699230,2cyclictest1-21systemd11:20:162
758461992320,2cyclictest967408-21munin-plugin-st10:35:001
758461992319,2cyclictest982865-21apt-get10:50:101
75846199230,21cyclictest1014244-21cut11:20:161
75846199230,20cyclictest0-21swapper/112:20:101
75846199230,20cyclictest0-21swapper/107:40:131
75846199230,20cyclictest0-21swapper/107:40:131
758457992319,2cyclictest850587-21apt-get08:40:120
758457992319,2cyclictest1080393-21apt-get12:25:130
75845799231,2cyclictest830398-21apt-get08:20:120
75845799231,2cyclictest1070283-21apt-get12:15:130
75845799231,2cyclictest0-21swapper/011:50:000
75845799231,2cyclictest0-21swapper/011:20:120
75845799231,2cyclictest0-21swapper/008:45:120
75845799231,20cyclictest0-21swapper/008:55:190
758470992219,2cyclictest0-21swapper/308:10:113
758470992218,3cyclictest897194-21runrttasks09:25:163
758470992216,4cyclictest967384-21cron10:35:003
75847099221,2cyclictest0-21swapper/311:05:123
75847099221,2cyclictest0-21swapper/310:10:113
75847099221,20cyclictest0-21swapper/310:45:143
75847099221,20cyclictest0-21swapper/308:00:123
75847099220,21cyclictest906373-21taskset09:35:123
75847099220,21cyclictest0-21swapper/310:50:103
75847099220,21cyclictest0-21swapper/307:35:123
75846699221,20cyclictest845555-21apt-get08:35:112
75846699221,20cyclictest808916-21ntpq07:55:202
758461992219,2cyclictest1-21systemd07:55:011
758461992218,2cyclictest0-21swapper/109:15:131
758461992218,2cyclictest0-21swapper/108:45:121
75846199221,1cyclictest987958-21apt-get10:55:121
75846199221,1cyclictest0-21swapper/108:20:121
75846199221,19cyclictest774208-21apt-get07:25:121
75846199221,19cyclictest0-21swapper/109:35:111
75846199220,20cyclictest1059502-21latency_hist12:05:001
75846199220,20cyclictest0-21swapper/110:35:101
75846199220,20cyclictest0-21swapper/110:25:121
75846199220,19cyclictest0-21swapper/111:30:111
75846199220,19cyclictest0-21swapper/110:00:121
75846199220,19cyclictest0-21swapper/109:05:111
75846199220,19cyclictest0-21swapper/108:50:121
75846199220,19cyclictest0-21swapper/108:30:111
758457992219,2cyclictest957528-21apt-get10:25:110
758457992219,2cyclictest0-21swapper/009:40:120
758457992219,1cyclictest0-21swapper/012:10:110
758457992219,1cyclictest0-21swapper/007:50:120
758457992218,2cyclictest1059490-21idleruntime-cro12:04:590
75845799221,2cyclictest967660-21apt-get10:35:110
75845799221,2cyclictest0-21swapper/011:30:100
75845799221,20cyclictest0-21swapper/008:33:410
75845799221,1cyclictest0-21swapper/008:15:130
75845799220,2cyclictest0-21swapper/012:35:230
75845799220,21cyclictest64-21kcompactd008:36:240
75845799220,20cyclictest1034969-21sshd11:40:160
75845799220,20cyclictest0-21swapper/009:00:120
75845799220,20cyclictest0-21swapper/008:05:120
758470992119,1cyclictest0-21swapper/312:15:133
758470992119,1cyclictest0-21swapper/308:59:313
758470992119,1cyclictest0-21swapper/308:40:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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