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2026-05-17 - 08:00
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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 Sun May 17, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502710,0irq/46-4a10000028355-1kworker/u3:018:59:250
312209912455,0cyclictest7350irq/45-4a10000020:00:110
312209912344,0cyclictest25701-21/usr/sbin/munin20:19:560
312209912239,0cyclictest3219-21df_inode23:59:370
312209912135,0cyclictest5062-21/usr/sbin/munin19:19:510
312209912042,0cyclictest5664-21awk20:55:160
312209912041,0cyclictest27379-21/usr/sbin/munin21:59:540
312209912036,0cyclictest8051-21/usr/sbin/munin00:15:160
312209912033,0cyclictest22704-21grep20:10:140
312209912031,0cyclictest23689-21chrt21:49:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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