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2026-07-21 - 02:21
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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 10 highest latencies:
System rack5slot7.osadl.org (updated Tue Jul 21, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2647224082173,182sleep00-21swapper18:58:520
34779917114,132cyclictest20794-21ssh23:57:360
34779917014,130cyclictest29393-21/usr/sbin/munin22:48:380
34779916718,125cyclictest12422-21apt-get23:33:190
34779916622,120cyclictest31251-21df_inode21:18:590
34779916618,120cyclictest15851-21apt-get23:43:280
34779916616,124cyclictest32069-21users22:54:580
34779916615,128cyclictest25710-21apt-get21:03:250
34779916522,116cyclictest8647-21munin-run21:48:060
34779916516,124cyclictest15087-21users23:39:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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