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2026-06-10 - 15:54
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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 10, 2026 12:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3144221160,4sleep20-21swapper/208:00:352
3144221160,4sleep20-21swapper/208:00:352
2360721110,3sleep10-21swapper/111:15:301
2360721110,3sleep10-21swapper/111:15:301
2360721110,3sleep10-21swapper/111:15:301
2215321060,3sleep20-21swapper/212:35:162
2215321060,3sleep20-21swapper/212:35:162
316021050,4sleep10-21swapper/112:10:441
316021050,4sleep10-21swapper/112:10:441
65582920,2chrt6559-21/usr/sbin/munin11:35:300
65582920,2chrt6559-21/usr/sbin/munin11:35:300
100772920,3chrt0-21swapper/211:39:102
100772920,3chrt0-21swapper/211:39:102
162522890,3sleep30-21swapper/312:26:133
162522890,3sleep30-21swapper/312:26:133
118212880,3sleep30-21swapper/309:35:403
118212880,3sleep30-21swapper/309:35:403
118212880,3sleep30-21swapper/309:35:403
163652850,4sleep20-21swapper/211:45:532
163652850,4sleep20-21swapper/211:45:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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