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2026-01-12 - 07:26
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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 Mon Jan 12, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2293023390,4sleep022929-21tr19:06:490
245319910227,66cyclictest31155-21seq22:50:190
245319910025,65cyclictest2260-21munin-node23:01:490
24531999926,64cyclictest26805-21aten_r4power_po00:16:500
24531999625,62cyclictest12403-21latency21:52:090
24531999614,73cyclictest4385-21munin-node23:07:060
24531999614,72cyclictest30651-21awk00:27:240
24531999614,72cyclictest26616-21grep20:57:000
747329515,17sleep07533-21perl23:17:000
24531999516,69cyclictest26579-21wget22:36:520
24531999515,70cyclictest2674-21sendmail_mailst19:42:250
24531999422,35cyclictest10472-21munin-node23:26:500
24531999415,70cyclictest28159-21df_abs21:01:520
24531999415,70cyclictest25301-21munin-node19:12:240
24531999415,69cyclictest5403-21munin-node21:32:080
24531999414,71cyclictest12448-21hddtemp_smartct23:32:030
2182329414,16sleep021828-21hddtemp_smartct20:42:040
24531999325,59cyclictest8935-21fschecks_time21:42:000
24531999321,63cyclictest29648-21forks19:26:580
24531999315,69cyclictest3977-21diskstats21:26:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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