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2025-11-11 - 06:41
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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 rack5slot7.osadl.org (updated Tue Nov 11, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13783224022163,186sleep00-21swapper17:40:250
139389911530,70cyclictest0-21swapper21:46:000
139389910830,62cyclictest0-21swapper20:11:010
139389910518,66cyclictest30133-21fw_conntrack22:37:310
139389910515,55cyclictest0-21swapper21:21:200
139389910430,60cyclictest0-21swapper22:00:120
139389910422,49cyclictest0-21swapper22:05:420
139389910416,24cyclictest21575-21head18:17:370
139389910331,39cyclictest0-21swapper22:43:530
139389910117,37cyclictest20354-21munin-run20:31:310
139389910116,65cyclictest27798-21ntp_states20:53:000
139389910115,24cyclictest14757-21ssh21:51:520
139389910111,28cyclictest30624-21sed19:07:350
139389910111,26cyclictest30074-21ssh20:59:500
139389910028,43cyclictest0-21swapper22:48:580
139389910017,43cyclictest32455-21df21:07:180
139389910015,65cyclictest11596-21ssh20:04:230
139389910013,25cyclictest25150-21ssh20:45:260
139389910012,25cyclictest9413-21ssh19:57:590
139389910010,26cyclictest6784-21ssh19:50:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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