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2025-12-10 - 07:26
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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 rackbslot2.osadl.org (updated Tue Dec 09, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7078352241189,18sleep00-21swapper/007:06:050
7081092226196,20sleep30-21swapper/307:09:383
7080802222192,20sleep20-21swapper/207:09:172
7080482221192,18sleep10-21swapper/107:08:521
70828699762,73cyclictest821185-21kworker/u8:0+efi_rts_wq09:41:353
70828399704,66cyclictest782187-21kworker/u8:3+efi_rts_wq09:41:322
708283995755,1cyclictest904014-21kworker/2:1+pm12:06:512
9080242550,1chrt907777-21munin-update11:00:003
708278995551,3cyclictest913957-21kworker/u8:1+flush-179:012:10:020
708278995451,2cyclictest890093-21kworker/u8:3+flush-179:010:50:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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