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2025-12-26 - 08:13
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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 Fri Dec 26, 2025 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327421520,2sleep20-21swapper/221:28:012
1193121120,2sleep20-21swapper/223:50:272
1193121120,2sleep20-21swapper/223:50:272
2445221060,3sleep30-21swapper/322:55:423
2445221060,3sleep30-21swapper/322:55:423
2449921050,4chrt0-21swapper/222:22:502
2449921050,4chrt0-21swapper/222:22:502
2449921050,4chrt0-21swapper/222:22:502
454521010,3sleep30-21swapper/322:35:293
454521010,3sleep30-21swapper/322:35:293
454521010,3sleep30-21swapper/322:35:293
1411121000,3sleep10-21swapper/123:52:351
1411121000,3sleep10-21swapper/123:52:351
291132990,3sleep20-21swapper/221:54:532
291132990,3sleep20-21swapper/221:54:532
98542920,4sleep30-21swapper/322:40:353
98542920,4sleep30-21swapper/322:40:353
114102890,3sleep20-21swapper/221:35:402
114102890,3sleep20-21swapper/221:35:402
114102890,3sleep20-21swapper/221:35:402
252362850,3sleep20-21swapper/200:37:252
252362850,3sleep20-21swapper/200:37:252
252362850,3sleep20-21swapper/200:37:252
192152850,3sleep30-21swapper/322:50:323
192152850,3sleep30-21swapper/322:50:323
73192830,3sleep30-21swapper/323:45:303
73192830,3sleep30-21swapper/323:45:303
318762830,3sleep20-21swapper/223:37:372
318762830,3sleep20-21swapper/223:37:372
318762830,3sleep20-21swapper/223:37:372
38702810,2sleep10-21swapper/120:30:211
38702810,2sleep10-21swapper/120:30:211
97092770,3chrt0-21swapper/220:45:292
97092770,3chrt0-21swapper/220:45:292
59462740,2sleep16069-21ssh21:30:301
59462740,2sleep16069-21ssh21:30:301
14822740,3sleep20-21swapper/222:32:272
14822740,3sleep20-21swapper/222:32:272
208242700,3sleep30-21swapper/321:12:433
208242700,3sleep30-21swapper/321:12:433
25062680,2sleep12517-21sh23:06:591
25062680,2sleep12517-21sh23:06:591
58082670,3chrt0-21swapper/321:30:273
58082670,3chrt0-21swapper/321:30:273
197792660,4sleep30-21swapper/322:17:583
197792660,4sleep30-21swapper/322:17:583
31442630,4sleep30-21swapper/321:27:503
52492620,4sleep20-21swapper/223:43:562
52492620,4sleep20-21swapper/223:43:562
20622620,3sleep30-21swapper/300:13:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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