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2025-07-02 - 03:34
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot3.osadl.org (updated Wed Jul 02, 2025 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24160239919sleep24161-21ntpdc19:02:090
2485899281112cyclictest30199-21cpuspeed21:51:520
2485899272103cyclictest27150-21munin-node0
2485899268101cyclictest6655-21ssh22:30:570
2485899265105cyclictest27469-21perl19:17:210
2485899264114cyclictest20269-21ssh21:07:380
2485899261104cyclictest25722-21df21:32:020
2485899260108cyclictest21408-21ssh21:12:300
248589925897cyclictest18830-21latency_hist21:01:450
2485899258125cyclictest9843-21ssh22:44:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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