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2025-12-13 - 21:32
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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 20 highest latencies:
System rack4slot1.osadl.org (updated Sat Dec 13, 2025 13:38:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41242960,2sleep30-21swapper/312:21:533
270512750,3chrt261rcuc/210:30:012
270512750,3chrt261rcuc/210:30:012
297812640,3sleep10-21swapper/110:36:471
297812640,3sleep10-21swapper/110:36:471
316712500,1sleep231733-21fschecks_count07:46:562
175592470,3sleep00-21swapper/011:31:470
175592470,3sleep00-21swapper/011:31:470
124472420,2sleep30-21swapper/311:16:513
317502410,2sleep30-21swapper/307:46:563
159312410,2sleep215977-21latency_hist10:00:012
159312410,2sleep215977-21latency_hist10:00:012
154492400,3sleep00-21swapper/009:56:520
154492400,3sleep00-21swapper/009:56:520
220052370,2sleep30-21swapper/307:20:003
189892370,4sleep20-21swapper/207:11:442
189892370,4sleep20-21swapper/207:11:442
73932350,2sleep06564-21/usr/sbin/munin12:31:510
68992340,4sleep20-21swapper/211:01:522
185352344,24sleep30-21swapper/307:10:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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