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2026-04-30 - 20:22
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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 Thu Apr 30, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73508000,0irq/45-4a10000011412sleep007:02:440
7450940,0irq/46-4a1000005534-21fw_forwarded_lo09:00:220
7450930,0irq/46-4a10000021086-21irqstats08:05:240
7450930,0irq/46-4a10000012554-21grep09:20:490
7450920,0irq/46-4a1000003440-21grep10:34:560
7450920,0irq/46-4a10000015858-21users09:30:480
7350920,0irq/45-4a10000010215-21/usr/sbin/munin09:15:120
1450999260,0cyclictest0-21swapper10:50:230
1450999258,0cyclictest0-21swapper07:30:440
1450999255,0cyclictest0-21swapper12:00:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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