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2025-12-25 - 12:11
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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 Dec 24, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27688602227198,19sleep00-21swapper/007:09:290
27686242221192,19sleep10-21swapper/107:06:281
27686002221169,18sleep30-21swapper/307:06:103
27687692220190,20sleep20-21swapper/207:08:192
2769083998630,15cyclictest2799754-21chrome07:45:012
276908699830,83cyclictest2854561-21kworker/u8:3+efi_rts_wq09:18:243
2769086997029,40cyclictest2851690-21snmp_ryswitch.c08:45:023
2769086995955,3cyclictest2721308-21kworker/u8:2+flush-179:007:35:053
2769076995850,6cyclictest2829857-21/usr/share/muni08:20:120
276907699569,46cyclictest2868793-21kworker/u8:2+efi_rts_wq09:18:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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