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2024-07-27 - 08:02
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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 Fri Jul 26, 2024 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85263599636,38cyclictest0-21swapper/009:27:320
852635994521,7cyclictest1083815-21/usr/sbin/munin12:37:250
852635993614,8cyclictest934271-21fschecks_count10:02:250
85263599355,13cyclictest0-21swapper/010:47:310
852636993418,5cyclictest11050irq/107-eth%d10:02:331
852635993422,1cyclictest0-21swapper/010:57:290
85263599335,18cyclictest956174-21/usr/sbin/munin10:27:260
85263599330,24cyclictest988087-21grep11:02:260
852635993116,1cyclictest0-21swapper/011:12:310
852635993019,5cyclictest1089222-21ntpq12:42:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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