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2025-12-12 - 23:47
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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 rackbslot2.osadl.org (updated Fri Dec 12, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2826832224195,19sleep00-21swapper/007:08:020
2826092224195,19sleep10-21swapper/107:07:021
2825212221192,19sleep20-21swapper/207:05:592
2827532217187,19sleep30-21swapper/307:08:573
283040991150,1cyclictest314555-21/usr/share/muni07:45:021
283048996358,4cyclictest47022-21systemd-journal11:40:013
283048996358,4cyclictest47022-21systemd-journal11:40:003
283040995854,2cyclictest417901-21snmp_areswitch.09:45:021
283044995238,13cyclictest314508-21chrome07:45:022
283048994946,2cyclictest426376-21kworker/u8:2+flush-179:010:15:053
283048994845,2cyclictest365790-21kworker/u8:2+events_unbound08:45:103
283044994741,4cyclictest417578-21latency_hist09:45:012
283048994533,11cyclictest286837-21kworker/u8:2+flush-179:007:15:203
283040994539,5cyclictest335926-21/usr/share/muni08:10:021
283048994439,4cyclictest437121-21apt-get10:05:143
283044994438,4cyclictest370832-21/usr/share/muni08:50:092
283044994432,1cyclictest3743848-1kworker/2:1H+kblockd07:40:092
283038994441,2cyclictest170240-1kworker/0:1H+kblockd09:20:260
283048994340,2cyclictest426376-21kworker/u8:2+events_unbound10:00:133
283048994340,2cyclictest317415-21kworker/u8:1+flush-179:008:05:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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