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2025-11-22 - 14:19
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Sat Nov 22, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502360,0irq/45-4a10000028072-21kworker/0:307:03:430
72139912541,0cyclictest0-21swapper07:08:480
72139912531,0cyclictest350-21mailstats08:19:170
72139912439,0cyclictest0-21swapper08:33:240
72139912342,0cyclictest29335-21/usr/sbin/munin08:10:270
72139912339,0cyclictest30632-21fschecks_time08:13:510
72139912338,0cyclictest0-21swapper09:49:100
72139912241,0cyclictest7021-21/usr/sbin/munin10:14:060
72139912239,0cyclictest0-21swapper07:14:330
72139912147,0cyclictest7350irq/45-4a10000008:00:020
72139912142,0cyclictest0-21swapper07:48:580
72139912138,0cyclictest0-21swapper08:38:200
72139912130,0cyclictest8443-21cstates11:53:370
72139912040,0cyclictest16012-21sensors12:14:200
72139912040,0cyclictest0-21swapper09:38:470
72139912038,0cyclictest0-21swapper08:33:080
72139912037,0cyclictest0-21swapper11:34:180
72139912036,0cyclictest0-21swapper10:12:010
72139912030,0cyclictest1150-21apt-get09:59:320
72139911948,0cyclictest0-21swapper09:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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