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2026-03-23 - 05:02
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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 Mon Mar 23, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012970,0irq/46-4a1000004598-1kworker/u3:219:03:280
6213999273,0cyclictest27647-21df_abs20:06:430
6213999268,0cyclictest22592-21chrt19:51:470
6213999257,0cyclictest24456-21fw_conntrack19:56:550
6213999174,0cyclictest13644-21latency_hist19:26:260
6213999168,0cyclictest6512-21runrttasks22:14:130
6213999052,0cyclictest22305-21/usr/sbin/munin23:01:500
6213998969,0cyclictest29393-21df_abs21:46:440
6213998968,0cyclictest29209-21runrttasks23:21:370
6213998954,0cyclictest31062-21df20:16:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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