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2026-05-25 - 20:33
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Mon May 25, 2026 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284221110,3sleep00-21swapper/009:35:400
284221110,3sleep00-21swapper/009:35:400
284221110,3sleep00-21swapper/009:35:400
284221110,3sleep00-21swapper/009:35:400
2588921040,4sleep012-21ksoftirqd/011:20:250
2588921040,4sleep012-21ksoftirqd/011:20:250
23702860,4sleep30-21swapper/308:40:173
23702860,4sleep30-21swapper/308:40:173
69272820,3sleep10-21swapper/111:38:021
69272820,3sleep10-21swapper/111:38:021
69272820,3sleep10-21swapper/111:38:021
277762820,3chrt0-21swapper/008:20:210
277762820,3chrt0-21swapper/008:20:210
277762820,3chrt0-21swapper/008:20:210
44332760,2sleep30-21swapper/308:45:193
44332760,2sleep30-21swapper/308:45:193
44332760,2sleep30-21swapper/308:45:193
260262720,3sleep10-21swapper/111:20:261
260262720,3sleep10-21swapper/111:20:261
4622660,3sleep30-21swapper/308:35:183
4622660,3sleep30-21swapper/308:35:183
275842660,3sleep30-21swapper/311:23:013
275842660,3sleep30-21swapper/311:23:013
8122610,3sleep00-21swapper/011:30:180
8122610,3sleep00-21swapper/011:30:180
8122610,3sleep00-21swapper/011:30:180
176052600,2sleep30-21swapper/311:11:123
176052600,2sleep30-21swapper/311:11:123
241942590,8sleep012-21ksoftirqd/008:10:240
241942590,8sleep012-21ksoftirqd/008:10:240
28692560,4chrt0-21swapper/309:35:433
28692560,4chrt0-21swapper/309:35:433
28692560,4chrt0-21swapper/309:35:433
28692560,4chrt0-21swapper/309:35:433
54542550,5sleep012-21ksoftirqd/010:19:120
54542550,5sleep012-21ksoftirqd/010:19:120
322972550,3chrt0-21swapper/112:07:361
322972550,3chrt0-21swapper/112:07:361
24802550,3sleep01006-21ls07:10:460
24802550,3sleep01006-21ls07:10:460
24802550,3sleep01006-21ls07:10:460
24802550,3sleep01006-21ls07:10:460
140702550,2chrt0-21swapper/210:29:232
140702550,2chrt0-21swapper/210:29:232
109372550,4chrt10932-21sh11:05:060
109372550,4chrt10932-21sh11:05:060
261452540,2sleep126338-21grep12:00:181
261452540,2sleep126338-21grep12:00:181
261452540,2sleep126338-21grep12:00:181
261452540,2sleep126338-21grep12:00:181
74032530,4sleep30-21swapper/312:17:033
74032530,4sleep30-21swapper/312:17:033
74032530,4sleep30-21swapper/312:17:033
257832530,3chrt0-21swapper/310:03:363
257832530,3chrt0-21swapper/310:03:363
257832530,3chrt0-21swapper/310:03:363
259172520,3chrt0-21swapper/209:25:132
259172520,3chrt0-21swapper/209:25:132
259172520,3chrt0-21swapper/209:25:132
129682520,3sleep10-21swapper/111:06:071
129682520,3sleep10-21swapper/111:06:071
86252510,3chrt0-21swapper/007:30:140
86252510,3chrt0-21swapper/007:30:140
243772510,2sleep10-21swapper/111:19:381
243772510,2sleep10-21swapper/111:19:381
139722510,2sleep013991-21sed07:45:050
139722510,2sleep013991-21sed07:45:050
57552490,3sleep00-21swapper/009:40:180
57552490,3sleep00-21swapper/009:40:180
57552490,3sleep00-21swapper/009:40:180
109772490,3sleep30-21swapper/310:25:223
109772490,3sleep30-21swapper/310:25:223
201262470,3sleep30-21swapper/310:35:233
71162460,3chrt0-21swapper/311:38:243
71162460,3chrt0-21swapper/311:38:243
71162460,3chrt0-21swapper/311:38:243
49202460,3chrt0-21swapper/010:56:130
49202460,3chrt0-21swapper/010:56:130
49202460,3chrt0-21swapper/010:56:130
252599461,30cyclictest817-21runrttasks08:11:241
252599461,30cyclictest817-21runrttasks08:11:241
137742450,3sleep00-21swapper/012:25:190
137742450,3sleep00-21swapper/012:25:190
317362440,3sleep00-21swapper/008:30:250
317362440,3sleep00-21swapper/008:30:250
267502440,3chrt0-21swapper/309:25:223
267502440,3chrt0-21swapper/309:25:223
261332440,3sleep30-21swapper/310:42:143
261332440,3sleep30-21swapper/310:42:143
261332440,3sleep30-21swapper/310:42:143
252599441,27cyclictest29655-21ssh10:46:291
252599441,27cyclictest29655-21ssh10:46:291
252599441,27cyclictest29655-21ssh10:46:291
232852440,2sleep20-21swapper/211:56:202
232852440,2sleep20-21swapper/211:56:202
281272430,2sleep00-21swapper/012:02:060
281272430,2sleep00-21swapper/012:02:060
281272430,2sleep00-21swapper/012:02:060
281272430,2sleep00-21swapper/012:02:060
94962410,4sleep30-21swapper/307:30:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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