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2026-07-07 - 07:20
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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 Tue Jul 07, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
228005999311,28cyclictest0-21swapper/300:25:133
228005999290,28cyclictest2331672-21unin-run20:05:013
228005999281,20cyclictest2595894-21latency_hist00:25:013
228005999280,27cyclictest3777322-21systemd-journal00:32:043
228005999280,26cyclictest0-21swapper/322:20:113
228005999280,26cyclictest0-21swapper/321:55:003
228005999280,26cyclictest0-21swapper/300:10:123
228005999280,26cyclictest0-21swapper/300:10:123
228005999280,25cyclictest0-21swapper/322:55:163
228005999280,25cyclictest0-21swapper/321:15:123
228005999280,19cyclictest0-21swapper/319:40:123
228005999280,10cyclictest2524867-21wc23:15:003
228005499286,2cyclictest2433309-21latency_hist21:45:011
2280059992718,7cyclictest2301281-21cron19:35:003
228005999270,25cyclictest2494308-21cron22:45:013
228005999270,25cyclictest0-21swapper/320:45:143
228005499271,24cyclictest3777322-21systemd-journal20:15:001
228005499271,22cyclictest2326855-21apt-get20:00:131
228005499271,22cyclictest2280911-21apt-get19:15:111
228005499271,21cyclictest2444110-21apt-get21:55:141
228005999261,21cyclictest0-21swapper/323:25:153
228005999260,25cyclictest1-21systemd21:25:003
228005999260,25cyclictest0-21swapper/320:15:203
228005999260,25cyclictest0-21swapper/319:15:163
228005499262,3cyclictest2296481-21apt-get19:30:121
228005499261,21cyclictest2586050-21apt-get00:15:121
228005499261,21cyclictest2285950-21apt-get19:20:131
2280059992520,3cyclictest2362221-21apt-get20:35:123
228005999250,1cyclictest0-21swapper/320:50:213
228005999250,1cyclictest0-21swapper/300:19:133
228005499251,3cyclictest2301559-21apt-get19:35:111
228005499250,22cyclictest2580741-21cron00:10:001
228005499250,22cyclictest2560507-21cron23:50:001
2280059992419,4cyclictest0-21swapper/323:55:133
2280059992419,3cyclictest2302046-21irqcore19:35:163
2280059992418,4cyclictest2336966-21apt-get20:10:113
2280059992416,6cyclictest0-21swapper/321:00:123
228005999241,2cyclictest0-21swapper/321:46:003
228005999241,20cyclictest2474393-21apt-get22:25:133
228005999241,20cyclictest2367298-21apt-get20:40:123
228005999241,20cyclictest0-21swapper/323:15:133
228005999241,20cyclictest0-21swapper/320:05:113
228005999240,5cyclictest0-21swapper/320:28:353
228005999240,22cyclictest3777322-21systemd-journal21:14:593
228005999240,21cyclictest0-21swapper/321:55:143
228005499242,2cyclictest2439054-21apt-get21:50:111
2280054992420,2cyclictest2591105-21apt-get00:20:101
2280054992420,2cyclictest2372354-21apt-get20:45:141
2280054992420,2cyclictest2341997-21apt-get20:15:111
2280054992417,5cyclictest2495069-21irqcore22:45:161
228005499241,3cyclictest2464303-21apt-get22:15:131
228005499241,20cyclictest0-21swapper/122:00:121
228005499241,20cyclictest0-21swapper/100:30:131
228005499240,21cyclictest2484944-21cut22:35:151
228005499240,21cyclictest2479427-21taskset22:30:131
228005499240,20cyclictest0-21swapper/121:10:121
228005099242,20cyclictest2347056-21apt-get20:20:130
2280050992420,3cyclictest2454192-21apt-get22:05:110
2280050992420,2cyclictest2479424-21apt-get22:30:130
2280050992419,4cyclictest2449642-21tr22:00:170
2280050992419,3cyclictest2586050-21apt-get00:15:120
2280050992419,3cyclictest2555708-21apt-get23:45:110
2280050992419,3cyclictest2550653-21apt-get23:40:110
228005099241,22cyclictest2519879-21apt-get23:10:110
228005099241,21cyclictest2428476-21apt-get21:40:120
228005099241,21cyclictest2417942-21apt-get21:30:140
228005099241,21cyclictest2417942-21apt-get21:30:130
228005099241,21cyclictest2412885-21apt-get21:25:100
2280059992319,2cyclictest0-21swapper/322:35:113
2280059992318,3cyclictest2393032-21ps21:05:163
2280059992316,6cyclictest1-21systemd20:35:003
228005999231,21cyclictest2322291-21ps19:55:173
228005999230,3cyclictest3777322-21systemd-journal23:54:593
228005999230,12cyclictest2479488-21grep22:30:143
2280057992322,0cyclictest0-21swapper/223:55:132
2280057992321,1cyclictest391rcuc/223:15:002
2280057992320,1cyclictest2596164-21apt-get00:25:132
228005799231,20cyclictest2494586-21apt-get22:45:122
228005799231,20cyclictest2352089-21apt-get20:25:132
2280054992319,3cyclictest2474122-21cron22:25:001
2280054992319,3cyclictest2415107-21kthreadcore21:25:161
2280054992318,4cyclictest2295785-21cron19:30:001
2280054992318,3cyclictest2606702-21idleruntime-cro00:39:591
2280054992318,3cyclictest2428204-21idleruntime-cro21:39:591
2280054992318,3cyclictest2332411-21grep20:05:161
228005499231,2cyclictest2565851-21apt-get23:55:121
228005499231,21cyclictest0-21swapper/121:30:141
228005499231,21cyclictest0-21swapper/121:30:141
228005499230,4cyclictest2510238-21sed23:00:161
228005499230,21cyclictest2476602-21sed22:25:201
228005499230,20cyclictest0-21swapper/123:10:111
228005499230,20cyclictest0-21swapper/121:15:121
228005499230,20cyclictest0-21swapper/121:00:131
228005499230,20cyclictest0-21swapper/100:10:121
228005499230,20cyclictest0-21swapper/100:10:111
2280050992321,1cyclictest2295918-21latency_hist19:30:000
228005099231,2cyclictest2427327-21ntpq21:35:230
228005099231,2cyclictest2387471-21apt-get21:00:120
228005099230,21cyclictest2311392-21cron19:45:000
2280059992219,1cyclictest0-21swapper/323:45:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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