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2025-04-02 - 08:10
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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 rack2slot7.osadl.org (updated Wed Apr 02, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294615299722,50cyclictest3144934-21sendmail-msp00:22:390
294615299468,26cyclictest11050irq/107-eth%d00:28:330
294615299439,25cyclictest3039073-21unixbench-2d22:16:030
294615299432,32cyclictest0-21swapper/023:36:010
294615299393,23cyclictest11050irq/107-eth%d22:50:550
294615299357,19cyclictest0-21swapper/021:21:000
294615299351,21cyclictest0-21swapper/022:33:210
294615299325,21cyclictest0-21swapper/023:21:000
2946152993217,4cyclictest0-21swapper/023:55:530
2946152993126,4cyclictest0-21swapper/022:10:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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