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2026-05-23 - 12:59
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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 Sat May 23, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2386226994441,2cyclictest2560715-21lspci21:57:163
2386226994441,2cyclictest2560715-21lspci21:57:153
2386220994238,3cyclictest134-1kworker/1:1H+kblockd00:23:091
238621799350,6cyclictest2468501-21awk20:30:000
238621799331,30cyclictest0-21swapper/020:45:110
238621799320,30cyclictest2524217-21cron21:25:000
238621799311,2cyclictest0-21swapper/023:25:180
238621799310,2cyclictest2618765-21grep22:55:150
238621799310,1cyclictest0-21swapper/020:40:010
2386217992919,9cyclictest0-21swapper/019:20:180
2386217992919,9cyclictest0-21swapper/019:20:170
2386217992919,8cyclictest2577377-21apt-get22:15:120
238621799290,21cyclictest2598389-21ps22:35:160
2386220992824,2cyclictest0-21swapper/100:20:011
2386220992824,2cyclictest0-21swapper/100:20:001
2386217992818,9cyclictest500-21dbus-daemon19:34:590
238621799280,20cyclictest0-21swapper/021:10:190
238622099270,24cyclictest2663755-21taskset23:40:111
238622099270,23cyclictest2386435-21runrttasks19:10:121
2386217992718,7cyclictest2498900-21cron21:00:000
238621799271,2cyclictest2550166-21apt-get21:50:120
238621799270,2cyclictest0-21swapper/000:10:110
238621799270,1cyclictest0-21swapper/019:35:020
238622499262,20cyclictest2613212-21apt-get22:50:112
238622499261,21cyclictest2684043-21apt-get00:00:132
238622499261,21cyclictest2643561-21apt-get23:20:122
238622499261,21cyclictest0-21swapper/220:45:112
2386217992615,10cyclictest2519201-21idleruntime-cro21:20:000
238621799260,6cyclictest2483748-21cron20:45:010
2386226992520,3cyclictest2628398-21apt-get23:05:113
2386224992522,2cyclictest3600151-21kworker/2:0+pm21:57:162
2386224992522,2cyclictest3600151-21kworker/2:0+pm21:57:152
2386224992521,2cyclictest2668829-21apt-get23:45:122
238622499251,3cyclictest2463701-21apt-get20:25:122
238622499251,21cyclictest2704707-21apt-get00:20:112
238622499251,20cyclictest2561746-21apt-get22:00:112
238622499250,23cyclictest2433386-21sort19:55:162
238622099251,22cyclictest2633152-21ls23:10:001
238622099251,21cyclictest2719996-21apt-get00:35:101
238621799250,24cyclictest0-21swapper/000:00:120
238621799250,20cyclictest64-21kcompactd020:11:220
238621799250,20cyclictest0-21swapper/019:18:090
2386226992420,2cyclictest2714888-21apt-get00:30:103
2386226992418,2cyclictest191rcu_preempt19:50:113
238622699241,21cyclictest2545115-21apt-get21:45:153
238622699241,21cyclictest2401575-21apt-get19:25:113
2386224992420,2cyclictest2648637-21apt-get23:25:112
2386224992420,2cyclictest2633427-21apt-get23:10:122
2386224992419,2cyclictest2406650-21apt-get19:30:122
238622499241,20cyclictest2499181-21apt-get21:00:142
238622499241,20cyclictest0-21swapper/219:35:102
238622499241,20cyclictest0-21swapper/200:35:102
238622499240,21cyclictest2442637-21latency_hist20:05:012
238622499240,20cyclictest2603516-21chrt22:40:162
238622499240,20cyclictest2494124-21apt-get20:55:102
2386220992420,2cyclictest2587609-21apt-get22:25:111
2386220992418,4cyclictest2391953-21tr19:15:161
2386217992419,4cyclictest0-21swapper/023:17:560
2386217992415,8cyclictest0-21swapper/023:45:210
238621799241,21cyclictest0-21swapper/023:30:120
238621799241,21cyclictest0-21swapper/022:00:120
238621799240,4cyclictest2724814-21idleruntime-cro00:40:000
238621799240,3cyclictest2459082-21ps20:20:140
238621799240,23cyclictest0-21swapper/021:30:120
238622699232,20cyclictest50-21ksoftirqd/319:55:223
2386226992320,2cyclictest2592802-21apt-get22:30:133
238622699231,20cyclictest2653691-21apt-get23:30:113
238622699230,19cyclictest0-21swapper/300:00:133
2386224992319,2cyclictest2663752-21apt-get23:40:122
2386224992319,2cyclictest0-21swapper/219:45:112
2386224992318,3cyclictest2554940-21cron21:55:002
2386224992316,5cyclictest2509030-21cron21:10:002
238622499231,19cyclictest0-21swapper/219:40:122
238622499230,20cyclictest0-21swapper/223:35:092
238622499230,20cyclictest0-21swapper/223:15:102
238622099231,2cyclictest2678957-21apt-get23:55:101
238622099231,20cyclictest2539366-21apt-get21:40:021
238622099231,20cyclictest0-21swapper/119:20:131
238622099231,20cyclictest0-21swapper/119:20:121
238622099230,21cyclictest2509031-21cron21:10:001
238622099230,20cyclictest0-21swapper/122:10:111
238622099230,20cyclictest0-21swapper/120:55:101
238621799231,5cyclictest2432162-21idleruntime-cro19:55:000
238621799231,2cyclictest2468777-21apt-get20:30:120
238621799231,2cyclictest0-21swapper/023:05:110
238621799231,2cyclictest0-21swapper/021:35:110
2386217992312,9cyclictest2612940-21cron22:50:010
238621799231,21cyclictest2582457-21apt-get22:20:120
238621799231,20cyclictest2524498-21apt-get21:25:100
238621799230,3cyclictest2704034-21https00:20:010
238621799230,3cyclictest2704034-21https00:20:000
238621799230,22cyclictest2617988-21cron22:55:000
238621799230,22cyclictest2458353-21systemd-run20:20:010
238621799230,21cyclictest2577066-21latency_hist22:15:000
238621799230,21cyclictest0-21swapper/023:40:110
2386226992219,2cyclictest0-21swapper/321:05:113
2386226992219,2cyclictest0-21swapper/320:35:193
2386226992217,3cyclictest2628118-21cron23:05:003
238622699221,2cyclictest0-21swapper/322:30:013
238622699221,20cyclictest2458599-21apt-get20:20:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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