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2026-05-01 - 06:02
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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 50 highest latencies:
System rack4slot1.osadl.org (updated Fri May 01, 2026 01:35:35)
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
31154210110,15sleep1131rcu_preempt04:49:231
31154210110,15sleep1131rcu_preempt04:49:231
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
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
2163025600,2sleep2261rcuc/219:42:272
2163025600,2sleep2261rcuc/219:42:272
1636425600,6sleep1201rcuc/117:52:231
1636425600,6sleep1201rcuc/117:52:231
1022525500,8sleep00-21swapper/013:56:180
1022525500,8sleep00-21swapper/013:56:180
2600325450,11sleep2131rcu_preempt03:02:072
2600325450,11sleep2131rcu_preempt03:02:072
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
38625250,9sleep20-21swapper/202:22:362
2933225250,14sleep1201rcuc/104:54:011
2933225250,14sleep1201rcuc/104:54:011
1327325230,6sleep20-21swapper/214:07:212
1327325230,6sleep20-21swapper/214:07:212
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
2956025070,8sleep30-21swapper/314:12:283
2956025070,8sleep30-21swapper/314:12:283
1083725050,7sleep20-21swapper/213:58:592
1083725050,7sleep20-21swapper/213:58:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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