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2026-08-04 - 05:01
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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 Tue Aug 04, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74503010,0irq/46-4a10000015038-1kworker/u3:219:06:410
20116210015,0sleep020120-21ntp_states19:14:130
7350970,0irq/45-4a10000017784-21/usr/sbin/munin22:18:210
7450960,0irq/46-4a10000024507-21/usr/sbin/munin19:28:480
7450950,0irq/46-4a1000001480-21grep21:29:000
7450950,0irq/46-4a10000011440-21seq20:23:470
7450940,0irq/46-4a1000006295-21/usr/sbin/munin20:08:430
7450940,0irq/46-4a10000032703-21runrttasks23:01:420
7450940,0irq/46-4a10000030111-21/usr/sbin/munin21:18:460
7450940,0irq/46-4a10000027262-21users21:09:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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