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2025-11-30 - 05:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Sun Nov 30, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10915224350,12sleep04470-1kworker/u3:517:35:380
122709917617,133cyclictest15439-21apt-get22:00:500
122709917418,129cyclictest12146-21apt-get21:50:540
122709917014,130cyclictest5448-21apt-get19:50:570
122709916917,128cyclictest5997-21irqstats21:31:430
122709916816,128cyclictest28705-21apt-get22:40:500
122709916717,124cyclictest13818-21apt-get21:55:550
122709916716,125cyclictest32016-21apt-get22:50:530
122709916715,127cyclictest8664-21apt-get20:00:520
122709916515,125cyclictest7065-21apt-get19:55:530
122709916418,102cyclictest23675-21apt-get22:25:550
122709916319,103cyclictest21911-21df20:41:180
122709916316,123cyclictest12011-21munin-run21:50:330
122709916314,126cyclictest2247-21apt-get21:20:570
122709916219,118cyclictest24190-21users20:47:230
122709916218,119cyclictest5637-21munin-run23:10:330
122709916216,121cyclictest10281-21apt-get20:05:540
122709916216,120cyclictest22525-21memory22:21:480
122709916211,126cyclictest13358-21munin-node21:00:430
122709916119,116cyclictest20036-21apt-get20:35:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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