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2026-06-27 - 02:05
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Sat Jun 27, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2180421160,4sleep021806-21cut20:09:470
780321100,4sleep07804-21grep19:25:130
4778210514,28sleep04803-21ntp_kernel_pll_00:15:140
71539910224,68cyclictest26912-21fschecks_time20:24:550
7153999914,16cyclictest22186-21fschecks_count23:29:550
7153999815,73cyclictest24386-21ls21:55:300
7153999814,74cyclictest6144-21memory21:00:090
7153999715,71cyclictest1128-21smartctl22:25:010
7153999626,61cyclictest29399-21unixbench_singl23:50:320
7153999614,73cyclictest15532-21munin-node21:29:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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