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2026-09-11 - 13:10
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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 Sep 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245660499310,29cyclictest2461972-21cron19:14:593
245660499292,24cyclictest2748485-21apt-get23:55:133
245660499290,2cyclictest1-21systemd20:20:003
245660499281,25cyclictest0-21swapper/319:35:123
245660499280,25cyclictest0-21swapper/322:10:123
245660499280,20cyclictest2746926-21sshd23:50:233
245660499280,1cyclictest0-21swapper/322:25:003
2456604992718,8cyclictest0-21swapper/320:10:183
245659799272,21cyclictest2773919-21apt-get00:20:131
245659799272,21cyclictest2773919-21apt-get00:20:121
245659799271,24cyclictest2532876-21timerandwakeup20:20:241
2456604992621,3cyclictest2691853-21apt-get23:00:123
2456604992620,3cyclictest2758653-21apt-get00:05:133
2456604992617,7cyclictest0-21swapper/300:20:133
2456604992617,7cyclictest0-21swapper/300:20:123
2456604992615,10cyclictest2727124-21cron23:34:593
245660499260,2cyclictest0-21swapper/320:50:133
245660499260,25cyclictest0-21swapper/323:21:543
245660499260,1cyclictest0-21swapper/321:50:303
2456600992623,1cyclictest2594823-21apt-get21:25:122
245659799261,21cyclictest2554086-21apt-get20:45:121
2456604992520,3cyclictest2507928-21apt-get20:00:113
2456604992513,3cyclictest0-21swapper/321:15:163
245660499251,21cyclictest2502879-21apt-get19:55:113
245660499251,1cyclictest0-21swapper/323:07:543
2456597992520,3cyclictest2518473-21apt-get20:10:121
245659799251,3cyclictest2646072-21apt-get22:15:111
245659799251,3cyclictest2477470-21apt-get19:30:111
245659799251,3cyclictest2457136-21apt-get19:10:131
245659799251,22cyclictest2603882-21seq21:30:221
245659799251,21cyclictest2579511-21apt-get21:10:101
245659799251,20cyclictest2691853-21apt-get23:00:131
245659799251,20cyclictest2513404-21apt-get20:05:131
245659799251,20cyclictest0-21swapper/123:25:111
245659799250,23cyclictest2615064-21apt-config21:45:001
245659799250,22cyclictest2549459-21grep20:40:161
245659799250,21cyclictest0-21swapper/120:15:131
2456604992420,2cyclictest2548970-21apt-get20:40:123
2456604992420,2cyclictest2472421-21apt-get19:25:113
2456604992419,4cyclictest0-21swapper/319:20:123
2456604992418,4cyclictest2636461-21cut22:05:173
2456604992416,6cyclictest2675403-21ntpq22:40:213
245660499241,20cyclictest0-21swapper/319:30:103
245660499240,23cyclictest0-21swapper/320:49:443
2456600992423,1cyclictest0-21swapper/222:15:002
2456600992420,2cyclictest2778967-21apt-get00:25:122
245659799242,2cyclictest2543899-21apt-get20:35:121
245659799242,20cyclictest2482565-21apt-get19:35:121
2456597992418,3cyclictest0-21swapper/119:55:111
245659799241,3cyclictest2605520-21ps21:35:171
245659799241,3cyclictest2574418-21apt-get21:05:131
245659799241,2cyclictest0-21swapper/121:16:381
245659799241,20cyclictest2753561-21apt-get00:00:121
245659799241,20cyclictest0-21swapper/121:20:141
245659799241,20cyclictest0-21swapper/100:30:111
245659799240,22cyclictest2662517-21grep22:30:161
245659799240,22cyclictest2630609-21cron22:00:001
2456592992419,3cyclictest3777322-21systemd-journal22:10:000
2456592992419,3cyclictest2630886-21apt-get22:00:120
245659299241,21cyclictest3777322-21systemd-journal19:45:010
245659299241,21cyclictest2569345-21apt-get21:00:110
245659299241,21cyclictest2462251-21apt-get19:15:110
245659299240,20cyclictest0-21swapper/020:50:130
2456604992319,2cyclictest514-21in:imuxsock20:40:003
2456604992319,2cyclictest3871586-21snmpd21:20:143
2456604992317,5cyclictest64-21kcompactd000:18:523
2456604992313,1cyclictest0-21swapper/323:35:533
245660499231,2cyclictest2784075-21apt-get00:30:123
245660499231,2cyclictest2702021-21apt-get23:10:123
245660499230,3cyclictest27363522chrt23:40:203
245660499230,20cyclictest0-21swapper/322:30:123
245660499230,20cyclictest0-21swapper/322:25:133
245660499230,20cyclictest0-21swapper/321:00:103
245660499230,1cyclictest0-21swapper/321:35:133
245660499230,19cyclictest0-21swapper/322:15:103
2456600992320,2cyclictest2584564-21apt-get21:15:132
2456600992320,2cyclictest2534261-21cut20:25:162
2456600992319,3cyclictest2635956-21apt-get22:05:122
2456600992319,2cyclictest2763753-21apt-get00:10:142
2456600992319,2cyclictest2528395-21cron20:20:002
2456600992313,5cyclictest0-21swapper/219:25:242
2456600992313,1cyclictest0-21swapper/221:45:222
245660099231,2cyclictest2737516-21apt-get23:45:112
245660099231,2cyclictest2671544-21apt-get22:40:112
245660099231,2cyclictest2610083-21apt-get21:40:132
2456597992319,2cyclictest2753279-21sh00:00:001
2456597992319,2cyclictest2712165-21apt-get23:20:131
2456597992319,2cyclictest2615576-21apt-get21:45:121
2456597992319,2cyclictest0-21swapper/119:50:121
245659799231,2cyclictest0-21swapper/122:50:171
245659799230,3cyclictest2598916-21/usr/sbin/munin21:25:241
245659799230,21cyclictest2467839-21tr19:20:161
245659799230,20cyclictest0-21swapper/122:45:131
245659799230,20cyclictest0-21swapper/119:40:121
245659799230,20cyclictest0-21swapper/119:25:111
2456592992320,2cyclictest2472421-21apt-get19:25:110
245659299231,2cyclictest2661382-21apt-get22:30:110
245659299231,21cyclictest2564299-21apt-get20:55:130
245659299231,1cyclictest2752403-21ntpq23:55:230
2456604992219,2cyclictest0-21swapper/322:02:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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