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2026-08-02 - 12:01
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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 Aug 02, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745011710,0irq/46-4a10000012-21ksoftirqd/019:04:160
75822920,0sleep07005-1kworker/u3:120:38:490
7450920,0irq/46-4a10000017366-21/usr/sbin/munin19:33:430
219982900,0sleep017234-1kworker/u3:000:30:400
7450890,0irq/46-4a1000008095-21/usr/sbin/munin22:14:100
7450890,0irq/46-4a100000438-21snmpd19:55:540
7450890,0irq/46-4a100000403-21/usr/sbin/munin23:28:240
7450890,0irq/46-4a1000003973-21diskstats23:38:340
7450890,0irq/46-4a10000020860-21wget22:53:220
7350890,0irq/45-4a1000008658-21modprobe23:53:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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