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2025-11-11 - 16:48
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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 Tue Nov 11, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3127421530,3sleep00-21swapper/010:49:560
3127421530,3sleep00-21swapper/010:49:560
302402980,3sleep10-21swapper/110:05:531
302402980,3sleep10-21swapper/110:05:531
107782880,4sleep20-21swapper/207:10:582
107782880,4sleep20-21swapper/207:10:582
321392820,3sleep30-21swapper/308:10:503
55812790,4sleep10-21swapper/108:25:551
55812790,4sleep10-21swapper/108:25:551
13732740,3sleep30-21swapper/308:15:483
13732740,3sleep30-21swapper/308:15:483
73702730,2sleep10-21swapper/111:42:341
73702730,2sleep10-21swapper/111:42:341
242952730,3sleep00-21swapper/012:04:270
242952730,3sleep00-21swapper/012:04:270
150912710,3sleep30-21swapper/311:52:093
150912710,3sleep30-21swapper/311:52:093
256762700,5sleep00-21swapper/010:00:460
256762700,5sleep00-21swapper/010:00:460
155182700,3sleep30-21swapper/309:45:543
76342690,3sleep00-21swapper/009:35:460
76342690,3sleep00-21swapper/009:35:460
207272670,4chrt0-21swapper/312:39:153
207272670,4chrt0-21swapper/312:39:153
10831996510,12cyclictest131rcu_preempt07:25:432
10831996510,12cyclictest131rcu_preempt07:25:432
94162640,3sleep30-21swapper/312:25:523
94162640,3sleep30-21swapper/312:25:523
1082999582,40cyclictest4062-21ssh12:20:430
1082999582,40cyclictest4062-21ssh12:20:430
252372570,3sleep30-21swapper/309:15:313
252372570,3sleep30-21swapper/309:15:313
26772560,3sleep00-21swapper/010:12:030
26772560,3sleep00-21swapper/010:12:030
204102550,3chrt0-21swapper/009:53:060
204102550,3chrt0-21swapper/009:53:060
1083199545,37cyclictest12376-21ssh10:25:442
193472530,3sleep30-21swapper/309:51:043
193472530,3sleep30-21swapper/309:51:043
158372530,2chrt15834-21find11:10:562
158372530,2chrt15834-21find11:10:562
1083199533,39cyclictest18050-21ssh09:50:442
1083199533,39cyclictest18050-21ssh09:50:442
1082999536,34cyclictest14849-21ssh11:10:420
1082999536,34cyclictest14849-21ssh11:10:420
129892520,3chrt0-21swapper/012:30:440
129892520,3chrt0-21swapper/012:30:440
299122510,3sleep029909-21cat11:30:310
299122510,3sleep029909-21cat11:30:310
95832480,2sleep19374-21ls07:10:411
95832480,2sleep19374-21ls07:10:411
53782470,3sleep00-21swapper/010:57:320
53782470,3sleep00-21swapper/010:57:320
1082999471,5cyclictest131rcu_preempt08:45:460
87622460,2sleep30-21swapper/311:45:213
87622460,2sleep30-21swapper/311:45:213
191882460,3sleep30-21swapper/307:35:463
191882460,3sleep30-21swapper/307:35:463
10830994618,20cyclictest21-21ksoftirqd/111:45:441
10830994618,20cyclictest21-21ksoftirqd/111:45:441
1082999464,28cyclictest38850irq/55-eth010:20:430
1082999464,28cyclictest38850irq/55-eth010:20:430
142472450,3sleep10-21swapper/108:50:461
142472450,3sleep10-21swapper/108:50:461
1082999452,8cyclictest131rcu_preempt11:55:430
300992440,4sleep2261rcuc/208:05:462
300992440,4sleep2261rcuc/208:05:462
1083099443,32cyclictest30199-21ssh11:30:431
1083099443,32cyclictest30199-21ssh11:30:431
1082999443,30cyclictest38850irq/55-eth011:05:440
1082999443,30cyclictest38850irq/55-eth011:05:440
267952430,2sleep30-21swapper/309:16:123
267952430,2sleep30-21swapper/309:16:123
212472430,3sleep10-21swapper/109:54:361
212472430,3sleep10-21swapper/109:54:361
1082999435,3cyclictest131rcu_preempt08:00:420
1082999435,3cyclictest131rcu_preempt08:00:420
174452420,3sleep10-21swapper/110:31:051
174452420,3sleep10-21swapper/110:31:051
305032410,3sleep30-21swapper/310:48:273
305032410,3sleep30-21swapper/310:48:273
299232410,3sleep00-21swapper/012:10:580
10829994110,21cyclictest12-21ksoftirqd/008:35:420
10829994110,21cyclictest12-21ksoftirqd/008:35:420
10829994110,21cyclictest12-21ksoftirqd/008:35:420
1082999400,25cyclictest38850irq/55-eth009:25:440
101502400,3sleep20-21swapper/212:26:322
101502400,3sleep20-21swapper/212:26:322
1083199393,28cyclictest3833-21ssh09:30:462
1083199393,28cyclictest3833-21ssh09:30:462
10831993926,10cyclictest27-21ksoftirqd/211:55:432
1082999394,21cyclictest38850irq/55-eth009:10:430
1082999394,21cyclictest38850irq/55-eth009:10:430
236402380,9sleep227-21ksoftirqd/209:57:102
236402380,9sleep227-21ksoftirqd/209:57:102
10829993816,12cyclictest12-21ksoftirqd/009:00:420
296912370,2sleep30-21swapper/309:20:503
296912370,2sleep30-21swapper/309:20:503
110102370,3sleep00-21swapper/011:47:030
110102370,3sleep00-21swapper/011:47:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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