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2026-03-17 - 07:01
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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 Mar 17, 2026 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27942995621730,562171cyclictest48-21kcompactd006:12:570
27942995621730,562171cyclictest48-21kcompactd006:12:570
25270214710,4sleep3321rcuc/305:26:543
3226211050,18sleep121-21ksoftirqd/103:03:201
3226211050,18sleep121-21ksoftirqd/103:03:201
31154210110,15sleep1131rcu_preempt04:49:231
31154210110,15sleep1131rcu_preempt04:49:231
269729380,17sleep333-21ksoftirqd/307:43:343
269729380,17sleep333-21ksoftirqd/307:43:343
1644628900,18sleep121-21ksoftirqd/107:47:581
1644628900,18sleep121-21ksoftirqd/107:47:581
3019828580,14sleep3131rcu_preempt11:11:373
1071728240,5sleep012-21ksoftirqd/010:02:230
1071728240,5sleep012-21ksoftirqd/010:02:230
2681128020,15sleep333-21ksoftirqd/314:31:153
2681128020,15sleep333-21ksoftirqd/314:31:153
783227460,6sleep333-21ksoftirqd/315:08:003
783227460,6sleep333-21ksoftirqd/315:08:003
3254526620,5sleep1201rcuc/101:47:431
2844626470,18sleep121-21ksoftirqd/117:51:121
2656826170,10sleep30-21swapper/314:12:473
2324526070,12sleep0131rcu_preempt12:08:530
2324526070,12sleep0131rcu_preempt12:08:530
2102225970,5sleep20-21swapper/210:38:442
309025790,4sleep121-21ksoftirqd/113:41:131
1066825760,6sleep333-21ksoftirqd/302:04:103
1066825760,6sleep333-21ksoftirqd/302:04:103
1362125670,16sleep3131rcu_preempt10:13:083
1843925610,10sleep227-21ksoftirqd/201:53:202
1843925610,10sleep227-21ksoftirqd/201:53:202
2163025600,2sleep2261rcuc/219:42:272
2163025600,2sleep2261rcuc/219:42:272
1636425600,6sleep1201rcuc/117:52:231
1636425600,6sleep1201rcuc/117:52:231
2641225510,8sleep20-21swapper/217:48:062
2641225510,8sleep20-21swapper/217:48:062
1022525500,8sleep00-21swapper/013:56:180
1022525500,8sleep00-21swapper/013:56:180
2600325450,11sleep2131rcu_preempt03:02:072
2600325450,11sleep2131rcu_preempt03:02:072
1947925420,5sleep1201rcuc/119:58:351
1947925420,5sleep1201rcuc/119:58:351
216625410,4sleep10-21swapper/103:22:381
216625410,4sleep10-21swapper/103:22:381
887325380,17sleep333-21ksoftirqd/309:55:113
887325380,17sleep333-21ksoftirqd/309:55:113
838625350,7sleep10-21swapper/114:56:421
838625350,7sleep10-21swapper/114:56:421
1563825300,7sleep10-21swapper/113:41:401
2046225290,8sleep10-21swapper/102:03:201
2046225290,8sleep10-21swapper/102:03:201
38625250,9sleep20-21swapper/202:22:362
2933225250,14sleep1201rcuc/104:54:011
2933225250,14sleep1201rcuc/104:54:011
2511325230,9sleep224450-21/usr/sbin/munin14:23:092
1327325230,6sleep20-21swapper/214:07:212
1327325230,6sleep20-21swapper/214:07:212
2110225220,3sleep10-21swapper/102:43:071
2110225220,3sleep10-21swapper/102:43:071
2003525170,8sleep10-21swapper/114:17:441
2003525170,8sleep10-21swapper/114:17:441
982425150,14sleep227-21ksoftirqd/209:59:232
982425150,14sleep227-21ksoftirqd/209:59:232
2760125120,3sleep3131rcu_preempt02:47:333
387525070,12sleep2131rcu_preempt17:53:422
387525070,12sleep2131rcu_preempt17:53:422
2956025070,8sleep30-21swapper/314:12:283
2956025070,8sleep30-21swapper/314:12:283
1083725050,7sleep20-21swapper/213:58:592
1083725050,7sleep20-21swapper/213:58:592
1842724960,6sleep00-21swapper/011:58:310
3074624940,7sleep10-21swapper/111:14:011
1518724940,4sleep10-21swapper/114:07:181
175824930,7sleep20-21swapper/215:07:292
3104024890,5sleep30-21swapper/316:42:503
3104024890,5sleep30-21swapper/316:42:503
1130424880,5sleep2261rcuc/202:16:502
1130424880,5sleep2261rcuc/202:16:502
296824850,7sleep00-21swapper/011:25:270
522524830,15sleep1131rcu_preempt14:17:511
522524830,15sleep1131rcu_preempt14:17:511
1407324830,4sleep00-21swapper/019:53:180
1407324830,4sleep00-21swapper/019:53:180
383024810,9sleep00-21swapper/015:07:260
383024810,9sleep00-21swapper/015:07:260
2758324750,8sleep10-21swapper/116:57:101
2758324750,8sleep10-21swapper/116:57:101
1662224730,5sleep121-21ksoftirqd/102:48:371
1662224730,5sleep121-21ksoftirqd/102:48:371
1928024720,11sleep00-21swapper/017:18:050
1928024720,11sleep00-21swapper/017:18:050
647024710,7sleep121-21ksoftirqd/111:34:041
647024710,7sleep121-21ksoftirqd/111:34:041
785324700,18sleep30-21swapper/317:51:373
876224690,4sleep3321rcuc/314:32:083
290924660,6sleep10-21swapper/113:57:591
290924660,6sleep10-21swapper/113:57:591
2733324640,8sleep10-21swapper/114:27:171
2733324640,8sleep10-21swapper/114:27:171
204524610,2sleep10-21swapper/102:56:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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