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2025-04-02 - 08:27
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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 Tue Apr 01, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2031142228198,20sleep00-21swapper/007:08:480
2031002227197,20sleep10-21swapper/107:08:381
2028932224194,20sleep20-21swapper/207:06:012
2029952219189,20sleep30-21swapper/307:07:183
203344995754,2cyclictest53648-1kworker/0:1H+kblockd07:50:140
20334699554,51cyclictest420916-21kworker/u8:2+efi_rts_wq11:34:441
203354995249,2cyclictest315681-21kworker/u8:2+events_unbound09:20:093
203346995047,2cyclictest207482-21kworker/u8:2+flush-179:007:25:101
203350994844,2cyclictest234490-21/usr/share/muni07:45:012
20335499478,39cyclictest420916-21kworker/u8:2+efi_rts_wq11:34:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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