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2025-07-01 - 00:28
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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 rack4slot1.osadl.org (updated Mon Jun 30, 2025 08:11:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3037025060,2sleep012-21ksoftirqd/007:12:220
3037025060,2sleep012-21ksoftirqd/007:12:220
159002950,4sleep215895-21find07:57:332
159002950,4sleep215895-21find07:57:332
157302870,3chrt0-21swapper/007:57:310
157302870,3chrt0-21swapper/007:57:310
154752760,2sleep30-21swapper/307:57:263
154752760,2sleep30-21swapper/307:57:263
306562650,3sleep10-21swapper/107:12:281
306562650,3sleep10-21swapper/107:12:281
113682610,3sleep011004-21/usr/sbin/munin07:47:220
113682610,3sleep011004-21/usr/sbin/munin07:47:220
31294994023,11cyclictest201rcuc/107:32:201
31294994023,11cyclictest201rcuc/107:32:201
31294993213,12cyclictest21-21ksoftirqd/107:42:171
31294993213,12cyclictest21-21ksoftirqd/107:42:171
112192310,3sleep30-21swapper/307:47:223
112192310,3sleep30-21swapper/307:47:223
3129599296,18cyclictest17821-21find08:02:332
3129599296,18cyclictest17821-21find08:02:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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