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2025-06-28 - 22:51
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Sat Jun 28, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280965522530,4chrt2809654-21/usr/sbin/munin07:26:160
284751722470,4chrt2847514-21ntpq09:36:490
290388522450,3sleep02903887-21ntpq12:25:570
280480299245216,19cyclictest84-21jbd2/mmcblk0p2-07:38:360
285786722440,2sleep02857868-21/usr/sbin/munin10:07:100
285549922400,3chrt2855354-21/usr/sbin/munin10:00:320
280480299238207,20cyclictest2835507-21kworker/u2:209:25:330
284049322330,2sleep02840495-21sed09:15:540
282210822320,4chrt2822105-21ntpq08:10:500
289835222260,3sleep02898353-21date12:10:090
288912122260,3chrt2889122-21sh11:41:440
281175422190,2sleep02811755-21ls07:35:000
280480299219191,16cyclictest2835507-21kworker/u2:209:41:410
283482122180,3sleep02834822-21gzip08:56:170
289492922150,2sleep02894931-21sh12:00:000
286761322150,2sleep02867611-21pluginstate10:36:480
280650221960,4chrt2806503-21uname07:15:280
280480299193163,19cyclictest2809803-21kworker/u2:108:00:060
287880121860,4chrt2878798-21sshd11:10:400
285202121850,4chrt2852025-21cpu09:50:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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