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2026-04-02 - 02:31
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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 Wed Apr 01, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502520,0irq/46-4a10000012635-1kworker/u3:107:04:200
130389910775,0cyclictest0-21swapper08:22:010
130389910583,0cyclictest0-21swapper08:16:170
130389910079,0cyclictest14836-21/usr/sbin/munin08:42:060
130389910078,0cyclictest0-21swapper09:01:570
13038999777,0cyclictest19826-21sed12:06:590
13038999775,0cyclictest22510-21cstates12:16:190
13038999677,0cyclictest8478-21modprobe11:36:030
13038999676,0cyclictest20873-21df_inode12:11:230
13038999578,0cyclictest31579-21/usr/sbin/munin11:06:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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