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2026-09-02 - 04:15
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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 rack4slot2.osadl.org (updated Wed Sep 02, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502490,0irq/46-4a1000005566-1kworker/u3:119:04:170
7358999966,0cyclictest2089-21/usr/sbin/munin22:00:160
7358999676,0cyclictest6218-21sendmail-msp20:42:290
7358999672,0cyclictest31241-21users23:25:140
7358999663,0cyclictest12304-21threads00:05:090
7358999576,0cyclictest5601-21who23:45:140
7358999573,0cyclictest17821-21runrttasks21:11:350
7358999474,0cyclictest23446-21aten_r4power_cu19:54:130
7358999474,0cyclictest15826-21users00:15:040
7358999375,0cyclictest21756-21aten_r4power_po21:24:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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