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2025-11-21 - 13:29
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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 20 highest latencies:
System rack4slot3.osadl.org (updated Fri Nov 21, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2178421380,4sleep021785-21wc19:13:040
218679910314,79cyclictest17727-21munin-node23:58:280
30869210214,20sleep030894-21sendmail_mailqu21:18:520
19173210114,31sleep019194-21df_abs00:03:200
218679910025,65cyclictest25310-21munin-node21:03:150
513929814,16sleep05145-21users19:59:020
21867999815,73cyclictest1184-21munin-node23:08:220
702129715,16sleep07022-21users23:24:060
21867999626,61cyclictest20763-21if_err_eth020:48:310
21867999623,64cyclictest3533-21runrttasks21:11:370
21867999615,72cyclictest22914-21open_files00:13:520
21867999520,66cyclictest10870-21forks20:18:250
21867999515,71cyclictest10732-21latency_hist21:58:040
21867999515,70cyclictest14210-21aten_r4power_vo23:48:150
21867999514,72cyclictest19004-21grep20:43:270
21867999425,60cyclictest28963-21kernelversion21:13:360
21867999414,70cyclictest25690-21seq19:23:390
858429314,16sleep08635-21uptime23:29:040
473329314,16sleep04738-21hddtemp_smartct23:18:260
21867999314,70cyclictest30722-21processes19:38:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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