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2026-06-17 - 18:54
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Wed Jun 17, 2026 12:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44582950,3sleep10-21swapper/112:31:501
44582950,3sleep10-21swapper/112:31:501
29120999083,5cyclictest16862-21sshd08:08:421
29120999083,5cyclictest16862-21sshd08:08:421
163112860,3chrt0-21swapper/209:22:052
163112860,3chrt0-21swapper/209:22:052
163112860,3chrt0-21swapper/209:22:052
179592810,3sleep20-21swapper/211:27:042
179592810,3sleep20-21swapper/211:27:042
12822810,2chrt0-21swapper/110:25:461
12822810,2chrt0-21swapper/110:25:461
12822810,2chrt0-21swapper/110:25:461
296532780,3sleep20-21swapper/211:01:242
296532780,3sleep20-21swapper/211:01:242
296532780,3sleep20-21swapper/211:01:242
121262740,2sleep20-21swapper/209:58:422
121262740,2sleep20-21swapper/209:58:422
151712720,8sleep012-21ksoftirqd/010:43:220
151712720,8sleep012-21ksoftirqd/010:43:220
36412700,3sleep10-21swapper/107:30:481
36412700,3sleep10-21swapper/107:30:481
59472690,3sleep20-21swapper/211:53:452
59472690,3sleep20-21swapper/211:53:452
212502690,2sleep221399-21fschecks_time10:10:372
212502690,2sleep221399-21fschecks_time10:10:372
212502690,2sleep221399-21fschecks_time10:10:372
89822680,4chrt8983-21rm10:35:471
153712660,2sleep30-21swapper/312:05:323
153712660,2sleep30-21swapper/312:05:323
192522640,3sleep30-21swapper/308:15:393
290642610,2sleep027625-21ls07:10:590
290642610,2sleep027625-21ls07:10:590
202932590,2sleep00-21swapper/010:09:130
202932590,2sleep00-21swapper/010:09:130
202932590,2sleep00-21swapper/010:09:130
35172580,3chrt0-21swapper/310:29:223
35172580,3chrt0-21swapper/310:29:223
35172580,3chrt0-21swapper/310:29:223
290932570,3sleep30-21swapper/311:00:503
290932570,3sleep30-21swapper/311:00:503
290932570,3sleep30-21swapper/311:00:503
174782570,3sleep10-21swapper/110:45:481
174782570,3sleep10-21swapper/110:45:481
174782570,3sleep10-21swapper/110:45:481
258912540,3chrt0-21swapper/312:18:263
258912540,3chrt0-21swapper/312:18:263
317662520,3chrt0-21swapper/312:25:413
317662520,3chrt0-21swapper/312:25:413
275682520,3sleep00-21swapper/012:20:400
275682520,3sleep00-21swapper/012:20:400
272032510,2sleep227212-21ssh10:17:402
272032510,2sleep227212-21ssh10:17:402
272032510,2sleep227212-21ssh10:17:402
306232500,3sleep30-21swapper/307:15:473
306232500,3sleep30-21swapper/307:15:473
221042500,4chrt0-21swapper/310:10:453
221042500,4chrt0-21swapper/310:10:453
188152500,3chrt0-21swapper/111:28:441
188152500,3chrt0-21swapper/111:28:441
97412490,2sleep09851-21ls09:55:400
97412490,2sleep09851-21ls09:55:400
185752490,3chrt0-21swapper/312:09:213
185752490,3chrt0-21swapper/312:09:213
36922480,3sleep00-21swapper/010:29:430
36922480,3sleep00-21swapper/010:29:430
36922480,3sleep00-21swapper/010:29:430
297992470,1sleep10-21swapper/112:23:221
297992470,1sleep10-21swapper/112:23:221
312532460,3sleep30-21swapper/309:40:473
312532460,3sleep30-21swapper/309:40:473
2912099461,28cyclictest0-21swapper/110:13:471
2912099461,28cyclictest0-21swapper/110:13:471
97982450,3sleep00-21swapper/011:58:130
97982450,3sleep00-21swapper/011:58:130
97982450,3sleep00-21swapper/011:58:130
274032450,1sleep3321rcuc/311:40:243
274032450,1sleep3321rcuc/311:40:243
274032450,1sleep3321rcuc/311:40:243
225672450,4sleep30-21swapper/310:52:493
225672450,4sleep30-21swapper/310:52:493
143692450,3sleep30-21swapper/310:41:443
143692450,3sleep30-21swapper/310:41:443
146862440,3chrt0-21swapper/212:04:222
146862440,3chrt0-21swapper/212:04:222
2912199430,6cyclictest31506-21runrttasks10:23:202
2912199430,6cyclictest31506-21runrttasks10:23:202
2912199430,6cyclictest31506-21runrttasks10:23:202
166002430,3chrt0-21swapper/308:05:503
166002430,3chrt0-21swapper/308:05:503
97092420,3chrt0-21swapper/210:36:162
2912199421,9cyclictest8293-21ssh09:53:542
2912199421,9cyclictest8293-21ssh09:53:542
2912099421,27cyclictest0-21swapper/107:42:081
2912099421,27cyclictest0-21swapper/107:42:081
73122410,3chrt0-21swapper/110:34:101
73122410,3chrt0-21swapper/110:34:101
51832410,2sleep20-21swapper/209:50:272
51832410,2sleep20-21swapper/209:50:272
51832410,2sleep20-21swapper/209:50:272
51832410,2sleep20-21swapper/209:50:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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