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2026-06-03 - 04:58
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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 Wed Jun 03, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211222070,8sleep1131rcu_preempt19:10:481
2225821150,3chrt0-21swapper/321:15:283
2225821150,3chrt0-21swapper/321:15:283
42832980,2sleep30-21swapper/322:51:333
42832980,2sleep30-21swapper/322:51:333
288202980,3sleep00-21swapper/000:38:370
288202980,3sleep00-21swapper/000:38:370
321872920,2chrt0-21swapper/221:26:242
321872920,2chrt0-21swapper/221:26:242
321872920,2chrt0-21swapper/221:26:242
58522880,5sleep012-21ksoftirqd/000:10:350
58522880,5sleep012-21ksoftirqd/000:10:350
58522880,5sleep012-21ksoftirqd/000:10:350
215542810,2sleep10-21swapper/100:30:341
215542810,2sleep10-21swapper/100:30:341
242572760,3sleep123569-21/usr/sbin/munin19:55:321
242572760,3sleep123569-21/usr/sbin/munin19:55:321
247262750,2sleep20-21swapper/200:34:372
247262750,2sleep20-21swapper/200:34:372
157112720,3sleep015691-21ssh23:05:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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