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2025-11-24 - 16:31
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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 Mon Nov 24, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84216522640,3chrt842154-21ntpq07:41:200
90773122520,2sleep0907732-21ssh11:14:380
83314599248220,17cyclictest836395-21kworker/u2:207:40:120
88343022440,3chrt883428-21ssh10:00:460
86849122400,4chrt868490-21sed09:15:120
92015422360,4chrt920106-21ntp_states11:51:440
91512422360,4chrt915125-21grep11:36:170
86050822250,2sleep0860510-21grep08:46:200
83314599216185,19cyclictest847052-21kworker/u2:008:00:040
83314599211181,19cyclictest869859-21kworker/u2:309:25:050
85587022100,2sleep0855872-21latency08:30:280
83314599208176,20cyclictest858798-21kworker/u2:208:41:230
88237222060,2sleep0882375-21wc09:56:540
83314599204176,17cyclictest899804-21kworker/u2:311:01:300
90843522030,2sleep0908436-21ntpq11:16:090
93172022010,3sleep0931721-21ld12:26:310
83314599201173,18cyclictest851761-21kworker/u2:008:30:040
85271321990,3chrt852714-21sendmail08:20:000
83314599199168,19cyclictest864339-21kworker/u2:209:16:490
83314599192163,18cyclictest876080-21kworker/u2:009:50:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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