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2025-11-23 - 19:28
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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 Sun Nov 23, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1986321080,2sleep2131rcu_preempt11:27:392
1986321080,2sleep2131rcu_preempt11:27:392
2911721060,2sleep20-21swapper/209:43:062
2911721060,2sleep20-21swapper/209:43:062
170921010,3sleep30-21swapper/312:21:293
170921010,3sleep30-21swapper/312:21:293
237882950,3chrt73-21kswapd012:10:581
237882950,3chrt73-21kswapd012:10:581
236742870,8sleep333-21ksoftirqd/311:32:023
236742870,8sleep333-21ksoftirqd/311:32:023
267862820,3sleep20-21swapper/211:36:032
267862820,3sleep20-21swapper/211:36:032
157372790,3chrt0-21swapper/209:26:022
157372790,3chrt0-21swapper/209:26:022
310242750,3sleep20-21swapper/212:18:472
310242750,3sleep20-21swapper/212:18:472
240452720,4sleep024097-21ntpq07:11:030
176022700,3sleep20-21swapper/210:46:032
176022700,3sleep20-21swapper/210:46:032
222562690,3chrt0-21swapper/209:34:502
222562690,3chrt0-21swapper/209:34:502
31962680,4sleep30-21swapper/309:51:113
31962680,4sleep30-21swapper/309:51:113
60832630,4sleep00-21swapper/009:55:420
60832630,4sleep00-21swapper/009:55:420
308942630,4chrt0-21swapper/311:40:583
308942630,4chrt0-21swapper/311:40:583
93452610,3sleep30-21swapper/309:58:503
93452610,3sleep30-21swapper/309:58:503
88802610,3sleep20-21swapper/209:58:052
88802610,3sleep20-21swapper/209:58:052
54292600,3sleep30-21swapper/311:49:143
54292600,3sleep30-21swapper/311:49:143
113942600,4chrt0-21swapper/208:05:492
254802580,2sleep025539-21fschecks_count07:15:570
254802580,2sleep025539-21fschecks_count07:15:570
43272570,9sleep227-21ksoftirqd/211:47:122
43272570,9sleep227-21ksoftirqd/211:47:122
315392560,3sleep20-21swapper/210:25:462
24737995525,25cyclictest19165-21ssh12:05:540
24737995525,25cyclictest19165-21ssh12:05:540
234532540,3sleep223217-21ls07:10:522
163152540,4sleep30-21swapper/310:45:413
75272510,3sleep30-21swapper/311:13:133
75272510,3sleep30-21swapper/311:13:133
254172510,3sleep30-21swapper/312:11:493
254172510,3sleep30-21swapper/312:11:493
2473999515,43cyclictest12353-21ssh10:40:552
149292510,4sleep30-21swapper/308:15:423
149292510,4sleep30-21swapper/308:15:423
139192510,3sleep20-21swapper/212:35:552
139192510,3sleep20-21swapper/212:35:552
24738995022,22cyclictest21-21ksoftirqd/111:45:531
24738995022,22cyclictest21-21ksoftirqd/111:45:531
21532490,12sleep333-21ksoftirqd/307:40:543
21532490,12sleep333-21ksoftirqd/307:40:543
115852490,2sleep20-21swapper/212:32:302
115852490,2sleep20-21swapper/212:32:302
2473899482,39cyclictest6380-21ssh09:55:531
2473899482,39cyclictest6380-21ssh09:55:531
62312470,3chrt0-21swapper/312:26:203
62312470,3chrt0-21swapper/312:26:203
149562470,2chrt0-21swapper/309:25:473
149562470,2chrt0-21swapper/309:25:473
120792470,3sleep20-21swapper/208:06:012
120792470,3sleep20-21swapper/208:06:012
111332470,2sleep30-21swapper/308:05:423
2473899464,37cyclictest4791-21ssh12:25:511
2473899464,37cyclictest4791-21ssh12:25:511
52922450,3chrt0-21swapper/009:12:540
52922450,3chrt0-21swapper/009:12:540
268322450,2sleep026257-21/usr/sbin/munin08:46:010
268322450,2sleep026257-21/usr/sbin/munin08:46:010
2473899452,36cyclictest5082-21ssh11:10:551
2473899452,36cyclictest5082-21ssh11:10:551
238912440,3chrt0-21swapper/309:36:043
238912440,3chrt0-21swapper/309:36:043
2473999433,31cyclictest21868-21ssh11:30:532
2473999433,31cyclictest21868-21ssh11:30:532
18782430,3sleep10-21swapper/109:06:041
18782430,3sleep10-21swapper/109:06:041
2473799424,9cyclictest131rcu_preempt09:40:530
2473799424,9cyclictest131rcu_preempt09:40:530
154782420,3sleep30-21swapper/312:01:043
6402410,3chrt0-21swapper/309:48:013
6402410,3chrt0-21swapper/309:48:013
325542410,2sleep232556-21ssh11:04:322
325542410,2sleep232556-21ssh11:04:322
87542400,3sleep30-21swapper/310:36:083
87542400,3sleep30-21swapper/310:36:083
285622390,3chrt0-21swapper/309:41:503
285622390,3chrt0-21swapper/309:41:503
2473999393,27cyclictest18940-21diskmemload10:10:562
2473999393,27cyclictest18940-21diskmemload10:10:562
153502390,3sleep20-21swapper/208:15:582
271292380,3sleep20-21swapper/212:14:412
271292380,3sleep20-21swapper/212:14:412
193952380,3sleep30-21swapper/308:25:593
249382370,8sleep333-21ksoftirqd/310:16:393
249382370,8sleep333-21ksoftirqd/310:16:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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