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2026-06-27 - 03:13
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Sat Jun 27, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17434263115sleep17435-21latencyplot19:08:370
1749199277152cyclictest12014-21latency21:04:310
1749199275255cyclictest23792sleep20:23:480
1749199265132cyclictest15922-21tune2fs23:44:390
1749199260130cyclictest27940-21latency_hist00:39:050
174919925575cyclictest22320-21irqstats21:50:090
1749199255127cyclictest29100-21latency_hist19:58:580
1749199254128cyclictest3582-1kworker/0:1H21:27:200
1749199252127cyclictest26327-21sh00:31:190
174919924850cyclictest17368-21irqstats23:51:020
1749199232165cyclictest15649-21cpu23:43:420
1749199227197cyclictest3714-21munin-node0
1749199225199cyclictest28786-21df_inode22:19:180
174919922364cyclictest24750-21fschecks_count00:24:330
1749199223159cyclictest23793-21ntp_states19:35:080
1749199222196cyclictest31232-21/usr/sbin/munin20:08:390
15964222214sleep15966-21ssh21:22:220
1749199221196cyclictest4493-21ssh22:54:240
1749199221196cyclictest27638-21netwatch22:14:000
1749199220194cyclictest9911-21munin-run23:18:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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