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2025-11-03 - 20:37
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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 50 highest latencies:
System rack4slot1.osadl.org (updated Mon Nov 03, 2025 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240752950,3sleep20-21swapper/209:39:562
138482840,3sleep20-21swapper/210:06:162
138482840,3sleep20-21swapper/210:06:162
156232800,4sleep20-21swapper/211:33:412
113772800,3sleep10-21swapper/110:45:371
113772800,3sleep10-21swapper/110:45:371
18272770,2sleep2261rcuc/209:51:092
18272770,2sleep2261rcuc/209:51:092
104552750,3sleep00-21swapper/010:45:160
104552750,3sleep00-21swapper/010:45:160
92622710,3chrt0-21swapper/309:19:073
92622710,3chrt0-21swapper/309:19:073
279682710,3chrt27966-21ssh12:30:402
279682710,3chrt27966-21ssh12:30:402
277272680,3chrt0-21swapper/108:45:461
277272680,3chrt0-21swapper/108:45:461
2599999684,47cyclictest28642-21ssh09:45:331
2599999684,47cyclictest28642-21ssh09:45:331
135812680,2chrt0-21swapper/010:05:500
135812680,2chrt0-21swapper/010:05:500
2599999658,48cyclictest32156-21ssh10:30:351
2599999658,48cyclictest32156-21ssh10:30:351
218752650,4chrt0-21swapper/210:15:572
218752650,4chrt0-21swapper/210:15:572
218752650,4chrt0-21swapper/210:15:572
274662620,4sleep30-21swapper/309:43:503
2600099619,8cyclictest131rcu_preempt11:20:352
2600099619,8cyclictest131rcu_preempt11:20:352
228452610,4chrt0-21swapper/009:37:240
33762600,4chrt0-21swapper/011:17:440
33762600,4chrt0-21swapper/011:17:440
260772600,4sleep30-21swapper/311:46:403
319192590,2sleep20-21swapper/207:30:292
319192590,2sleep20-21swapper/207:30:292
31442580,3chrt0-21swapper/012:39:180
31442580,3chrt0-21swapper/012:39:180
6912560,4chrt0-21swapper/311:55:563
6912560,4chrt0-21swapper/311:55:563
26001995641,8cyclictest36112sleep310:35:363
26001995641,8cyclictest36112sleep310:35:363
201672560,3chrt0-21swapper/208:25:412
318292540,4sleep031817-21acpi11:55:330
318292540,4sleep031817-21acpi11:55:330
51202530,3sleep20-21swapper/210:36:182
51202530,3sleep20-21swapper/210:36:182
289712530,3sleep128967-21tail07:20:431
289712530,3sleep128967-21tail07:20:431
25998995331,14cyclictest38850irq/55-eth009:50:350
25998995331,14cyclictest38850irq/55-eth009:50:350
35572520,2sleep13569-21ssh09:54:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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