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2025-12-11 - 12:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Thu Dec 11, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110187822960,4chrt1101880-21sort23:10:100
104879522640,4chrt366-21snmpd20:26:040
111786122580,3chrt1117862-21collect223:56:270
108854422540,2sleep01088545-21cat22:30:410
112977722530,2sleep01129778-21ntp_states00:31:440
109523522470,2sleep01095233-21if_err_wlan022:50:290
107325922470,4chrt1073255-21ntpq21:45:540
106863422460,3sleep01068637-21grep21:32:030
109217422450,3chrt1092168-21ntpq22:41:140
107156622450,3chrt1071561-21ntpq21:40:570
104172022410,3chrt1041717-21ntpq20:00:430
105540122350,3chrt1055402-21idleruntime20:50:230
105295422350,3chrt1052955-21ntp_offset20:40:550
106515922270,5chrt1065158-21/usr/sbin/munin21:22:020
108504122250,3chrt1085042-21uname22:20:350
102725699225191,22cyclictest1063186-21collect221:16:330
105045422040,3sleep01050456-21timerandwakeup20:31:200
107997022010,3sleep01079971-21sh22:05:370
103185221960,3sleep01031853-21cat19:25:310
105246521870,2sleep01052467-21grep20:40:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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