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2026-07-10 - 07:53
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Fri Jul 10, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502460,0irq/46-4a10000010813-1kworker/u3:219:06:580
141769913946,0cyclictest31710-21/usr/sbin/munin21:34:560
141769913041,0cyclictest0-21swapper23:18:370
141769912842,0cyclictest7777-21/usr/sbin/munin22:00:020
141769912748,0cyclictest7350irq/45-4a10000022:19:520
141769912742,0cyclictest12162-21runrttasks23:49:090
141769912639,0cyclictest25586-21runrttasks19:43:010
141769912550,0cyclictest7350irq/45-4a10000023:59:490
141769912442,0cyclictest20433-21runrttasks22:37:570
141769912441,0cyclictest0-21swapper00:04:260
141769912142,0cyclictest0-21swapper22:45:060
141769912040,0cyclictest0-21swapper22:54:520
141769912038,0cyclictest0-21swapper22:04:140
141769911939,0cyclictest8425-21runrttasks23:37:340
141769911739,0cyclictest0-21swapper21:01:520
141769911731,0cyclictest0-21swapper23:27:500
141769911650,0cyclictest12-21ksoftirqd/020:14:280
141769911549,0cyclictest0-21swapper20:31:400
141769911540,0cyclictest13623-21runrttasks20:43:010
141769911241,0cyclictest0-21swapper23:31:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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