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2025-11-25 - 11:00
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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 rack2slot7.osadl.org (updated Tue Nov 25, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1514351995742,12cyclictest1514348-21cyclictest23:21:012
1514351994718,6cyclictest11050irq/107-eth%d00:44:012
151435199446,12cyclictest0-21swapper/200:28:102
151434999442,5cyclictest1595398-21ntpq21:58:050
151435099434,16cyclictest0-21swapper/123:38:061
151434999392,7cyclictest1585282-21aten_r2power_fr21:48:000
1514351993726,9cyclictest0-21swapper/220:14:052
151434999376,28cyclictest1658323-21ssh23:06:030
151434999353,3cyclictest0-21swapper/021:43:080
1514349993530,4cyclictest1707393-21ld23:58:050
1514349993530,4cyclictest1707393-21ld23:58:050
151434999340,23cyclictest259-21jbd2/mmcblk0p2-800:07:590
151434999339,8cyclictest11050irq/107-eth%d22:06:050
1514349993331,1cyclictest0-21swapper/021:08:060
1514349993330,3cyclictest0-21swapper/020:48:120
1514350993222,5cyclictest1686010-21ssh23:35:251
1514349993219,1cyclictest1651127-21ssh22:58:050
1514349993213,4cyclictest0-21swapper/023:03:070
151434999313,7cyclictest11050irq/107-eth%d22:18:070
151434999313,7cyclictest11050irq/107-eth%d22:18:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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