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2026-03-10 - 20:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack4slot1.osadl.org (updated Tue Mar 10, 2026 07:46:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2143823750,1sleep012-21ksoftirqd/007:11:480
2143823750,1sleep012-21ksoftirqd/007:11:480
3260121190,3sleep30-21swapper/307:41:413
3260121190,3sleep30-21swapper/307:41:413
284712460,4sleep228466-21ntp_kernel_pll_07:31:402
284712460,4sleep228466-21ntp_kernel_pll_07:31:402
221662360,3sleep30-21swapper/307:16:293
221662360,3sleep30-21swapper/307:16:293
289042310,2sleep029086-21/usr/sbin/munin07:31:470
289042310,2sleep029086-21/usr/sbin/munin07:31:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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