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2025-12-15 - 07:27
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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 Sun Dec 14, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274820899692689,1cyclictest2835484-21ntp_states08:50:032
27479662225195,19sleep00-21swapper/007:09:150
27479782224194,20sleep20-21swapper/207:09:242
27478262222194,19sleep30-21swapper/307:07:243
27477642222193,19sleep10-21swapper/107:06:391
274820899648,56cyclictest2972744-21kworker/u8:3+efi_rts_wq12:05:062
28828072560,1chrt2882806-21snmp_ryswitch.c09:45:013
2748200995448,4cyclictest2778851-13chrome07:45:010
2748200995348,4cyclictest2757499-21/usr/share/muni07:20:020
27485342520,1chrt2748535-21cpu07:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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