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2026-05-13 - 12:51
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Wed May 13, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
907199391826,0cyclictest13025-21df_inode00:02:140
9071993011829,0cyclictest0-21swapper23:21:220
9071992610559,0cyclictest9-21ksoftirqd/022:01:280
9071992518648,0cyclictest16820-21cron21:01:300
9071992496279,0cyclictest23139-1kworker/0:0H19:26:280
9071992493683,0cyclictest27978-21mailstats23:11:350
9071992343247,0cyclictest23139-1kworker/0:0H20:01:280
9071992337284,0cyclictest8973-1kworker/0:1H21:21:280
9071992334311,0cyclictest23139-1kworker/0:0H19:41:280
9071992315737,0cyclictest14450-21munin-node19:16:290
9071992311289,0cyclictest8973-1kworker/0:1H21:16:280
9071992309318,0cyclictest8973-1kworker/0:1H21:46:280
9071992307750,0cyclictest17723-21munin-node22:41:280
9071992307729,0cyclictest0-21swapper00:21:260
9071992307682,0cyclictest9-21ksoftirqd/022:26:280
9071992298233,0cyclictest8973-1kworker/0:1H23:36:270
9071992295637,0cyclictest9-21ksoftirqd/023:21:270
9071992250252,0cyclictest8973-1kworker/0:1H23:46:280
9071992231266,0cyclictest8973-1kworker/0:1H23:06:270
9071992223529,0cyclictest9-21ksoftirqd/022:51:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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