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2025-06-12 - 14:13
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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 Wed Jun 11, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
412582699275271,2cyclictest58084-21snmp_ryswitch.c09:35:012
41253432229200,19sleep30-21swapper/307:07:083
41253942228201,17sleep20-21swapper/207:07:482
41254702227174,19sleep00-21swapper/007:08:420
41254662225172,19sleep10-21swapper/107:08:391
4125826996725,41cyclictest118357-21chrome10:45:022
4125826995347,4cyclictest92154-21latency_hist10:15:012
4125818994946,2cyclictest160863-21kworker/u8:1+flush-179:011:35:050
4125831994742,4cyclictest45183-21/usr/share/muni09:20:033
4125826994640,4cyclictest4191218-21/usr/share/muni08:25:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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