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2026-05-01 - 19:14
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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 May 01, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22499211716,23sleep022506-21df_abs07:13:550
29529210414,16sleep029556-21munin-node12:34:160
24638210315,15sleep024222-21munin-node12:19:100
22871210114,73sleep022876-21idleruntime10:34:080
27645210014,16sleep027649-21hddtemp_smartct09:09:060
23965999913,76cyclictest16545-21iostat_ios11:54:130
1617229914,15sleep00-21swapper08:34:020
719429814,15sleep07209-21switchtime11:24:360
611629814,16sleep06183-21cut08:03:440
2169129814,16sleep021698-21smart_hda10:29:330
2827229714,15sleep028292-21sort10:49:350
2658029714,16sleep026581-21switchtime10:44:360
2118129714,15sleep021182-21diskstats12:09:010
23965999514,72cyclictest26238-21needreboot09:04:180
23965999514,43cyclictest2557-21chrt11:10:200
827629414,16sleep08277-21irqstats08:09:120
2324529414,16sleep023243-21ntp_states12:14:270
1493829414,15sleep014962-21ntpq08:29:210
1039429416,15sleep010406-21munin-node09:54:370
892429314,15sleep08925-21users09:49:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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