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2026-09-06 - 07:37
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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 Sep 06, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23045224280,13sleep020548-1kworker/u3:118:56:330
238569917218,128cyclictest9689-21apt-get22:26:080
238569917117,111cyclictest16711-21apt-get00:21:090
238569917019,125cyclictest2802-21apt-get22:06:040
238569916918,124cyclictest1257-21apt-get23:36:060
238569916820,122cyclictest23408-21apt-get23:06:050
238569916818,125cyclictest26669-21apt-get21:41:110
238569916818,124cyclictest25294-21df_inode21:36:370
238569916641,106cyclictest4993-21sh22:11:550
238569916617,124cyclictest23234-21apt-get21:31:080
238569916417,121cyclictest6256-21apt-get22:16:030
238569916415,127cyclictest16546-21apt-get22:46:030
238569916218,119cyclictest6688-21df23:51:280
238569916218,117cyclictest16360-21apt-get21:11:050
238569916218,102cyclictest13420-21memory21:02:080
238569916215,122cyclictest28566-21apt-get23:21:120
238569916118,119cyclictest19990-21apt-get22:56:040
238569916117,120cyclictest30549-21df23:26:310
238569916117,118cyclictest11822-21df00:06:310
238569916115,121cyclictest13735-21irqstats00:11:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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