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2024-04-26 - 02:06
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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 10 highest latencies:
System rack0slot1.osadl.org (updated Fri Apr 26, 2024 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27942993016,12cyclictest30670-21perl21:56:596
2793799270,1cyclictest0-21swapper/100:08:241
27942992614,2cyclictest16320-21postmaster19:57:516
2793699262,1cyclictest13302-21kworker/0:123:42:270
2794299254,19cyclictest70-21ksoftirqd/622:56:426
2793799250,1cyclictest0-21swapper/100:28:581
2794299243,19cyclictest14476-21perl23:41:276
27941992418,3cyclictest61-21ksoftirqd/500:13:205
2794199240,1cyclictest0-21swapper/523:42:515
2793999240,1cyclictest0-21swapper/322:36:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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