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2025-09-17 - 07:43
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Wed Sep 17, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10353299328,23cyclictest346301-21cat22:45:231
103529992719,5cyclictest196150-21ps20:40:170
10352999271,5cyclictest3471731-21systemd-journal22:25:000
10352999271,5cyclictest3471731-21systemd-journal22:25:000
10353799262,20cyclictest354980-21apt-get22:55:142
10353799260,24cyclictest257738-21taskset21:35:122
10352999261,21cyclictest149441-21apt-get19:55:160
10353999251,20cyclictest225889-21diskmemload22:10:093
10353999251,20cyclictest205797-21apt-get20:50:143
10353799251,21cyclictest367601-21apt-get23:05:092
10352999251,22cyclictest462394-21chrt00:19:270
10352999251,22cyclictest425156-21apt-get23:50:150
10352999251,22cyclictest268336-21sensors_temp21:40:260
10352999251,21cyclictest304536-21ssh22:15:150
10352999250,23cyclictest232201-21sh21:15:000
103539992419,3cyclictest367606-21chrt23:05:103
10353999241,21cyclictest422904-21ntpq23:45:203
10353999241,20cyclictest0-21swapper/323:15:153
10353999241,20cyclictest0-21swapper/321:35:133
10353999241,19cyclictest304199-21ssh22:15:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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