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2026-05-18 - 07:13
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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 May 18, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502800,0irq/46-4a10000012-21ksoftirqd/019:02:170
31409998755,0cyclictest0-21swapper23:29:300
86872866,0sleep08693-21ls00:14:470
7350850,0irq/45-4a10000014903-21awk19:49:150
7350840,0irq/45-4a1000005189-21tune2fs22:29:400
7350830,0irq/45-4a1000002915-21cron20:49:130
67902835,0sleep06793-21df_inode20:59:370
7450820,0irq/46-4a10000019296-21mailstats20:00:100
7350820,0irq/45-4a10000024176-21meminfo23:24:540
7350820,0irq/45-4a10000020167-21aten_r4power_cu21:39:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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