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2025-12-09 - 21:50
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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 Tue Dec 09, 2025 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2537421580,3sleep30-21swapper/311:48:033
2537421580,3sleep30-21swapper/311:48:033
1774821330,2sleep30-21swapper/308:51:203
150442780,4sleep30-21swapper/310:58:113
150442780,4sleep30-21swapper/310:58:113
212572670,2sleep10-21swapper/109:01:141
212572670,2sleep10-21swapper/109:01:141
11582670,4sleep30-21swapper/310:41:403
11582670,4sleep30-21swapper/310:41:403
105692570,3sleep00-21swapper/010:53:100
284942560,3sleep00-21swapper/011:51:210
284942560,3sleep00-21swapper/011:51:210
176332550,3sleep217509-21/usr/sbin/munin07:26:112
86792540,2sleep18766-21timerandwakeup09:31:211
86792540,2sleep18766-21timerandwakeup09:31:211
269772540,2sleep00-21swapper/010:35:010
269772540,2sleep00-21swapper/010:35:010
269192540,3sleep20-21swapper/207:51:072
269192540,3sleep20-21swapper/207:51:072
58322530,2sleep30-21swapper/309:27:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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