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2026-04-25 - 23:49
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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 Sat Apr 25, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17680213830,0sleep015123-1kworker/u3:007:03:170
7450990,0irq/46-4a10000018965-21/usr/sbin/munin08:40:280
7450930,0irq/46-4a1000003593-21diskstats07:55:300
7450930,0irq/46-4a10000024400-21/usr/sbin/munin07:20:480
7450920,0irq/46-4a1000007907-21runrttasks11:16:560
7450920,0irq/46-4a1000003894-21meminfo11:05:500
7450920,0irq/46-4a10000031295-21/usr/sbin/munin12:25:550
7450920,0irq/46-4a10000027431-21/usr/sbin/munin10:40:240
7450920,0irq/46-4a10000025699-21df07:25:240
7450920,0irq/46-4a10000018965-21df_inode11:50:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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