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2026-04-23 - 14:49
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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 rack4slot2.osadl.org (updated Thu Apr 23, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502050,0irq/45-4a1000007042-21/usr/sbin/munin07:00:220
86219912628,0cyclictest25319-21meminfo11:00:520
86219912342,0cyclictest8558-21/usr/sbin/munin10:11:090
86219912339,0cyclictest0-21swapper10:44:340
86219912240,0cyclictest0-21swapper09:25:350
86219912237,0cyclictest0-21swapper12:01:480
86219912142,0cyclictest14709-21df_abs12:05:300
86219912140,0cyclictest0-21swapper07:44:030
86219912137,0cyclictest0-21swapper08:16:050
86219912134,0cyclictest8275-21nfs4_client08:35:570
86219912123,0cyclictest14017-1kworker/u3:210:28:560
86219912039,0cyclictest0-21swapper07:29:020
86219912038,0cyclictest0-21swapper08:14:440
86219912034,0cyclictest0-21swapper09:42:360
86219912013,0cyclictest28940-21/usr/sbin/munin08:01:030
86219911941,0cyclictest0-21swapper08:53:420
86219911939,0cyclictest0-21swapper11:26:060
86219911939,0cyclictest0-21swapper10:06:020
86219911937,0cyclictest0-21swapper10:36:530
86219911933,0cyclictest0-21swapper07:12:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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