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2024-04-26 - 09:53
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Fri Apr 26, 2024 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502320,0irq/46-4a10000017951-1kworker/u3:019:09:250
18373999554,0cyclictest0-21swapper23:46:500
2528029212,0sleep024314-21/usr/sbin/munin21:01:170
18373998744,0cyclictest0-21swapper21:41:050
7350850,0irq/45-4a10000031685-21df_abs00:30:240
7350850,0irq/45-4a10000011178-21irqstats20:20:470
18373998556,0cyclictest0-21swapper21:52:440
7350840,0irq/45-4a10000026584-21diskstats00:15:280
18373998454,0cyclictest0-21swapper22:55:440
7350830,0irq/45-4a100000646-21diskstats19:50:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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