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2026-05-18 - 04:24
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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 May 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2041624390,3sleep020415-21sed19:20:260
31087210515,16sleep031130-21munin-node23:11:140
5826210014,16sleep03250-21snmpd21:54:300
20472999817,71cyclictest12978-21munin-node20:36:010
20472999716,72cyclictest23882-21latency_hist00:30:270
20472999715,72cyclictest14119-21chrt00:00:240
20472999714,74cyclictest29437-21processes21:26:170
2615829614,16sleep026156-21ntp_states22:56:100
246729615,16sleep02468-21sshd23:23:220
20472999521,65cyclictest27921-21mailstats23:01:140
20472999515,70cyclictest22610-21munin-node21:05:520
20472999415,70cyclictest31178-21ls21:31:210
20472999414,71cyclictest11636-21munin-node20:31:160
20472999315,69cyclictest16098-21uniq00:05:450
20472999315,68cyclictest12574-21aten_r4power_en22:15:370
20472999314,70cyclictest19979-21unixbench_singl22:36:230
1958929313,15sleep00-21swapper20:56:100
1866029315,16sleep03250-21snmpd20:54:040
1159729314,16sleep011616-21grep23:51:050
801429214,17sleep08020-21iostat20:20:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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