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2025-12-07 - 14:06
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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 Sun Dec 07, 2025 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1854499262232cyclictest26038-21netwatch00:22:370
1854499256231cyclictest19850-21sshd23:55:500
1854499255229cyclictest16112-21ntp_states23:38:280
1854499255204cyclictest24684-21latency_hist00:17:030
1854499254228cyclictest4253-21latency_hist22:46:410
1854499253220cyclictest11506-21ntpq23:18:080
1854499250220cyclictest22044-21diskmemload21:42:020
185449924952cyclictest17215-21ntp_states23:43:260
185449924947cyclictest15899-21ssh21:15:000
1854499249219cyclictest25170-21sendmail-msp21:56:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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