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2026-06-10 - 06:04
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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 Wed Jun 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127225400,6sleep01270-21grep19:18:060
2131221070,4sleep021310-21sendmail_mailqu20:18:350
26302210614,16sleep026316-21munin-node20:33:430
14999210314,16sleep015004-21munin-node21:38:420
10796210214,16sleep010839-21ls21:27:500
1623210014,16sleep01641-21if_err_eth000:18:200
964029914,16sleep09642-21irqstats19:43:200
1185329915,16sleep011860-21unixbench_singl21:28:510
2312629714,16sleep023131-21smart_hda23:43:390
2643999614,73cyclictest16609-21grep23:23:370
2643999614,45cyclictest26274-21awk22:13:370
1612029614,16sleep016121-21irqstats20:03:190
934229514,15sleep09333-21latency_hist00:42:510
320229514,15sleep03241-21expr19:23:230
2643999515,71cyclictest5107-21load00:28:290
2643999515,71cyclictest22719-21wc20:23:250
2643999514,72cyclictest17949-21munin-node20:08:300
2439129513,16sleep024392-21memory22:08:250
1324629513,16sleep013270-21switchtime19:53:400
616929413,16sleep06170-21diskstats19:33:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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