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2026-04-14 - 17:14
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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 Tue Apr 14, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17957210916,20sleep018036-21cpu07:12:080
21684210614,16sleep021685-21memory07:22:290
10417210614,29sleep010444-21latency10:07:300
31501210514,78sleep031517-21missed_timers09:32:340
30042210214,16sleep030067-21munin-node09:27:440
25071210114,17sleep025077-21iostat_ios12:32:260
32558210014,16sleep032564-21munin-run11:16:580
21886210014,15sleep03347-21lldpd09:02:390
195339910015,75cyclictest1960-21tune2fs08:02:170
195339910014,76cyclictest7305-21runrttasks08:17:400
282572990,4sleep028258-21basename12:42:250
93529814,15sleep0966-21cat07:57:500
2817929814,15sleep028195-21munin-node07:42:330
19533999814,74cyclictest18272-21munin-node12:12:110
1842329815,16sleep018426-21iostat08:52:240
2638529714,16sleep026389-21hddtemp_smartct07:37:200
2450629715,17sleep024550-40yum-updatesd09:12:090
2322829615,16sleep023229-21irqstats07:27:270
19533999615,71cyclictest5149-21cpu08:12:090
1828129614,16sleep018284-21df_inode10:32:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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