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2026-04-29 - 15:00
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot6.osadl.org (updated Wed Apr 29, 2026 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298281199381,29cyclictest0-21swapper/00
298281699372,2cyclictest0-21swapper/55
298281199349,7cyclictest0-21swapper/00
298281199342,23cyclictest0-21swapper/00
298281699331,21cyclictest23150irq/135-46000000.ethernet-rx05
298281499331,29cyclictest0-21swapper/33
298281199331,29cyclictest0-21swapper/00
298281699321,21cyclictest0-21swapper/55
2982815993213,16cyclictest0-21swapper/44
298281499326,15cyclictest2959850-21kworker/u32:12+xprtiod3
2982813993216,13cyclictest0-21swapper/22
2982813993216,13cyclictest0-21swapper/22
298281899308,19cyclictest0-21swapper/77
2982818993014,12cyclictest0-21swapper/77
2982813993026,2cyclictest3018904-21unixbench_singl2
2982812993023,2cyclictest0-21swapper/11
2982811993027,2cyclictest0-21swapper/00
2982811993011,4cyclictest0-21swapper/00
298281899293,16cyclictest23150irq/135-46000000.ethernet-rx07
298281799291,20cyclictest0-21swapper/66
298281699294,18cyclictest3036970-21kworker/u32:13+rpciod5
298281699294,18cyclictest3036970-21kworker/u32:13+rpciod5
298281699290,7cyclictest3003809-21timerandwakeup5
298281699290,7cyclictest3003809-21timerandwakeup5
2982814992924,2cyclictest3009078-21unixbench_singl3
298281499291,14cyclictest0-21swapper/33
2982813992926,2cyclictest0-21swapper/22
2982813992926,2cyclictest0-21swapper/22
2982813992923,3cyclictest3080615-21gltestperf2
298281199299,10cyclictest3035332-21kworker/u32:0+xprtiod0
2982811992926,1cyclictest0-21swapper/00
298281799281,16cyclictest0-21swapper/66
298281599288,17cyclictest0-21swapper/44
298281599281,7cyclictest0-21swapper/44
2982814992822,4cyclictest3064095-21fschecks_time3
2982813992816,2cyclictest0-21swapper/22
298281199289,15cyclictest3006637-21grep0
298281199289,15cyclictest3006637-21grep0
2982811992826,1cyclictest0-21swapper/00
2982811992812,7cyclictest3049127-21sed0
298281199281,18cyclictest0-21swapper/00
298281199281,17cyclictest0-21swapper/00
298281899272,16cyclictest0-21swapper/77
2982818992721,3cyclictest3062005-21latency_hist7
2982818992714,10cyclictest3035751-21apt-get7
2982817992710,6cyclictest22550irq/128-46000000.ethernet-tx26
298281699272,16cyclictest23150irq/135-46000000.ethernet-rx05
298281699271,5cyclictest0-21swapper/55
298281699271,18cyclictest0-21swapper/55
298281699271,18cyclictest0-21swapper/55
298281699270,4cyclictest0-21swapper/55
298281599270,18cyclictest23150irq/135-46000000.ethernet-rx04
2982814992714,7cyclictest0-21swapper/33
298281499271,2cyclictest0-21swapper/33
298281299271,6cyclictest0-21swapper/11
298281299271,16cyclictest0-21swapper/11
298281299271,15cyclictest0-21swapper/11
298281199274,16cyclictest0-21swapper/00
298281199274,16cyclictest0-21swapper/00
298281199271,20cyclictest3066660-21kworker/u32:11+rpciod0
298281199271,17cyclictest2987218-21/usr/sbin/munin0
298281199271,17cyclictest2987218-21/usr/sbin/munin0
298281199271,15cyclictest0-21swapper/00
298281799261,15cyclictest0-21swapper/66
2982816992620,3cyclictest2997699-21latency_hist5
2982816992619,5cyclictest591ktimers/55
2982816992619,5cyclictest591ktimers/55
2982816992613,7cyclictest0-21swapper/55
2982815992617,6cyclictest511ktimers/44
2982814992620,4cyclictest3065636-21df_abs3
2982814992620,3cyclictest2997696-21latency_hist3
298281499260,20cyclictest0-21swapper/33
2982813992618,3cyclictest2802525-21kworker/2:0-events2
2982812992620,4cyclictest271ktimers/11
298281299261,19cyclictest0-21swapper/11
298281299261,19cyclictest0-21swapper/11
298281199262,3cyclictest2959850-21kworker/u32:12+rpciod0
298281199261,21cyclictest0-21swapper/00
298281199261,21cyclictest0-21swapper/00
298281199261,17cyclictest3019963-21ntpq0
298281899254,18cyclictest3071903-21latency_hist7
298281899252,18cyclictest0-21swapper/77
298281899252,18cyclictest0-21swapper/77
2982818992519,4cyclictest3022917-21fschecks_time7
2982818992518,4cyclictest0-21swapper/77
2982818992517,5cyclictest3043043-21cat7
2982818992517,5cyclictest3043043-21cat7
2982818992515,4cyclictest2959850-21kworker/u32:12+rpciod7
2982818992515,4cyclictest2959850-21kworker/u32:12+rpciod7
298281899251,13cyclictest0-21swapper/77
298281799259,6cyclictest22550irq/128-46000000.ethernet-tx26
298281799259,6cyclictest22550irq/128-46000000.ethernet-tx26
298281799258,2cyclictest3028127-21ntpq6
298281799258,2cyclictest3028127-21ntpq6
298281699257,2cyclictest2986689-21df_abs5
298281699257,2cyclictest2986689-21df_abs5
298281699251,21cyclictest3037925-21ntpq5
2982815992521,2cyclictest3091342-21sed4
2982815992521,2cyclictest3057766-21ntp_states4
2982815992521,2cyclictest3057766-21ntp_states4
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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