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2025-11-25 - 15:34
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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 25, 2025 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1304321410,7sleep227-21ksoftirqd/209:36:482
1304321410,7sleep227-21ksoftirqd/209:36:482
2868221190,3sleep3321rcuc/311:16:033
2868221190,3sleep3321rcuc/311:16:033
2868221190,3sleep3321rcuc/311:16:033
994221130,4sleep30-21swapper/310:52:533
994221130,4sleep30-21swapper/310:52:533
1951921120,3sleep30-21swapper/310:25:523
1951921120,3sleep30-21swapper/310:25:523
198352960,3sleep00-21swapper/009:46:020
198352960,3sleep00-21swapper/009:46:020
274112940,3chrt0-21swapper/310:35:323
104282920,2sleep30-21swapper/308:31:063
104282920,2sleep30-21swapper/308:31:063
13483998620,8cyclictest131rcu_preempt08:40:570
68342830,6sleep1201rcuc/112:07:461
68342830,6sleep1201rcuc/112:07:461
260732830,3sleep30-21swapper/309:11:293
260732830,3sleep30-21swapper/309:11:293
117712830,3sleep30-21swapper/308:36:013
117712830,3sleep30-21swapper/308:36:013
171462820,3chrt0-21swapper/311:41:033
277532760,4sleep30-21swapper/307:51:003
7202700,3chrt708-21if_eth012:01:020
7202700,3chrt708-21if_eth012:01:020
154042700,3sleep10-21swapper/109:40:571
154042700,3sleep10-21swapper/109:40:571
1348599691,7cyclictest131rcu_preempt10:10:552
1348599691,7cyclictest131rcu_preempt10:10:552
27172670,2chrt0-21swapper/112:02:551
27172670,2chrt0-21swapper/112:02:551
243902670,3chrt0-21swapper/109:51:101
243902670,3chrt0-21swapper/109:51:101
98092650,4chrt0-21swapper/312:11:053
98092650,4chrt0-21swapper/312:11:053
208672650,3sleep30-21swapper/309:01:003
208672650,3sleep30-21swapper/309:01:003
281162630,2sleep30-21swapper/309:56:063
281162630,2sleep30-21swapper/309:56:063
206892600,8sleep333-21ksoftirqd/312:23:233
278102580,2chrt0-21swapper/111:15:451
13484995840,12cyclictest24168-21diskmemload10:45:561
13484995840,12cyclictest24168-21diskmemload10:45:561
13483995823,23cyclictest38850irq/55-eth011:00:570
13483995823,23cyclictest38850irq/55-eth011:00:570
292152570,4sleep30-21swapper/309:16:073
292152570,4sleep30-21swapper/309:16:073
1348399572,42cyclictest24604-21ssh11:50:550
1348399572,42cyclictest24604-21ssh11:50:550
1348499566,10cyclictest131rcu_preempt08:15:551
1348499566,10cyclictest131rcu_preempt08:15:551
148872550,3chrt0-21swapper/108:45:431
1348599552,41cyclictest20634-21ssh11:45:552
1348599552,41cyclictest20634-21ssh11:45:552
13485995511,7cyclictest131rcu_preempt07:35:562
13485995511,7cyclictest131rcu_preempt07:35:562
13485995511,7cyclictest131rcu_preempt07:35:562
190102530,3sleep019007-21cat09:45:460
190102530,3sleep019007-21cat09:45:460
1348499533,41cyclictest32041-21ssh10:40:561
1348499533,41cyclictest32041-21ssh10:40:561
134612530,3sleep30-21swapper/310:18:333
56062520,1sleep30-21swapper/310:09:123
56062520,1sleep30-21swapper/310:09:123
212882510,3sleep10-21swapper/109:47:361
212882510,3sleep10-21swapper/109:47:361
78072500,2chrt0-21swapper/310:11:093
78072500,2chrt0-21swapper/310:11:093
1348499503,42cyclictest26676-21ssh12:30:551
1348499503,42cyclictest26676-21ssh12:30:551
260662490,3chrt0-21swapper/110:33:011
294332480,2sleep30-21swapper/311:56:063
294332480,2sleep30-21swapper/311:56:063
1348599485,35cyclictest18032-21taskset12:20:582
13484994730,11cyclictest19706-21date11:05:531
13484994730,11cyclictest19706-21date11:05:531
125402470,3sleep012000-21ls07:10:590
125402470,3sleep012000-21ls07:10:590
290712460,3sleep20-21swapper/211:56:012
290712460,3sleep20-21swapper/211:56:012
145332460,3chrt0-21swapper/311:38:023
145332460,3chrt0-21swapper/311:38:023
13485994619,20cyclictest27-21ksoftirqd/211:00:572
13485994619,20cyclictest27-21ksoftirqd/211:00:572
1348599455,27cyclictest27194-21ssh09:55:542
1348599455,27cyclictest27194-21ssh09:55:542
1348499453,35cyclictest2726-21ssh10:05:561
1348499453,35cyclictest2726-21ssh10:05:561
127282450,2sleep212000-21ls07:11:012
127282450,2sleep212000-21ls07:11:012
32272440,2sleep23300-21gzip10:06:032
32272440,2sleep23300-21gzip10:06:032
1348499442,33cyclictest18051-21ssh12:21:001
13484994418,22cyclictest21-21ksoftirqd/107:40:561
13484994418,22cyclictest21-21ksoftirqd/107:40:561
13484994417,23cyclictest21-21ksoftirqd/111:05:571
6852430,3chrt0-21swapper/112:37:241
6852430,3chrt0-21swapper/112:37:241
161012430,3sleep10-21swapper/111:40:411
161012430,3sleep10-21swapper/111:40:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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