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2025-07-12 - 08:36
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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 Sat Jul 12, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1826054992825,2cyclictest0-21swapper/121:20:201
182605499272,21cyclictest1933751-21apt-get20:55:131
182605499271,22cyclictest2190929-21apt-get00:20:121
1826062992623,2cyclictest2147647-21kthreadcore23:45:163
182606299260,23cyclictest1938833-21runrttasks21:00:143
182605799262,3cyclictest2140372-21apt-get23:40:102
182605799262,3cyclictest2115150-21apt-get23:20:132
1826057992623,2cyclictest2095559-21latency_hist23:05:002
182605799262,22cyclictest2147795-21cut23:45:162
182605499262,21cyclictest1887213-21apt-get20:10:121
182605499261,22cyclictest2037866-21apt-get22:20:121
182605499261,21cyclictest1897796-21apt-get20:20:141
182605499261,21cyclictest0-21swapper/123:25:111
1826062992521,2cyclictest1923670-21apt-get20:45:133
182606299251,20cyclictest0-21swapper/300:35:133
182605799252,21cyclictest2102451-21apt-get23:10:152
182605799252,21cyclictest1851702-21apt-get19:35:122
182605799251,4cyclictest2010534-21sensors_temp21:55:282
182605799251,21cyclictest1949452-21hddtemp_smartct21:10:162
1826054992519,4cyclictest1955811-21hddtemp_smartct21:15:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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