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2026-04-17 - 20:59
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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 Fri Apr 17, 2026 09:41:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3267024850,6sleep114671-21kworker/1:107:12:241
3267024850,6sleep114671-21kworker/1:107:12:241
1128521390,3sleep00-21swapper/007:42:130
1128521390,3sleep00-21swapper/007:42:130
796921080,1sleep012-21ksoftirqd/007:32:210
796921080,1sleep012-21ksoftirqd/007:32:210
2334821050,2sleep2261rcuc/209:22:172
2334821050,2sleep2261rcuc/209:22:172
2334821050,2sleep2261rcuc/209:22:172
3052990,2sleep30-21swapper/309:32:243
3052990,2sleep30-21swapper/309:32:243
15122610,3sleep00-21swapper/008:42:110
15122610,3sleep00-21swapper/008:42:110
62592560,3sleep30-21swapper/309:37:503
62592560,3sleep30-21swapper/309:37:503
110402520,3sleep20-21swapper/207:42:112
110402520,3sleep20-21swapper/207:42:112
84332490,2sleep00-21swapper/009:40:370
84332490,2sleep00-21swapper/009:40:370
5492470,4sleep30-21swapper/308:37:243
5492470,4sleep30-21swapper/308:37:243
45482460,3sleep20-21swapper/208:47:242
306542460,4sleep30-21swapper/308:32:173
284092460,3sleep128023-21/usr/sbin/munin08:27:131
284092460,3sleep128023-21/usr/sbin/munin08:27:131
236862460,1chrt12-21ksoftirqd/009:22:230
236862460,1chrt12-21ksoftirqd/009:22:230
236862460,1chrt12-21ksoftirqd/009:22:230
298842450,3sleep30-21swapper/308:32:053
298842450,3sleep30-21swapper/308:32:053
59022440,4sleep30-21swapper/307:27:213
236772420,2chrt0-21swapper/309:22:223
236772420,2chrt0-21swapper/309:22:223
236772420,2chrt0-21swapper/309:22:223
3255024110,24sleep30-21swapper/307:12:233
3255024110,24sleep30-21swapper/307:12:233
326462375,25sleep032669-21cat07:12:240
326462375,25sleep032669-21cat07:12:240
238252360,2chrt0-21swapper/109:22:241
238252360,2chrt0-21swapper/109:22:241
238252360,2chrt0-21swapper/109:22:241
55799323,7cyclictest27-21ksoftirqd/207:37:102
55799323,7cyclictest27-21ksoftirqd/207:37:102
555993222,8cyclictest25158-21grep08:17:220
555993222,8cyclictest25158-21grep08:17:220
320502320,4sleep012-21ksoftirqd/009:32:130
320502320,4sleep012-21ksoftirqd/009:32:130
55799313,11cyclictest73-21kswapd008:17:112
55799313,11cyclictest73-21kswapd008:17:112
556993115,6cyclictest73-21kswapd007:47:191
556993115,6cyclictest73-21kswapd007:47:191
55599317,12cyclictest12-21ksoftirqd/008:07:100
55599317,12cyclictest12-21ksoftirqd/008:07:100
55599315,4cyclictest131rcu_preempt07:37:210
55599315,4cyclictest131rcu_preempt07:37:210
94992300,3sleep39583-21kworker/3:107:37:143
94992300,3sleep39583-21kworker/3:107:37:143
555993013,3cyclictest12-21ksoftirqd/009:17:110
555993013,3cyclictest12-21ksoftirqd/009:17:110
555993013,3cyclictest12-21ksoftirqd/009:17:110
184742300,2sleep218463-21find09:17:222
184742300,2sleep218463-21find09:17:222
184742300,2sleep218463-21find09:17:222
216482290,1chrt21-21ksoftirqd/108:07:231
216482290,1chrt21-21ksoftirqd/108:07:231
55799282,7cyclictest27-21ksoftirqd/209:27:122
55799282,7cyclictest27-21ksoftirqd/209:27:122
55799282,6cyclictest27-21ksoftirqd/209:32:222
55799282,6cyclictest27-21ksoftirqd/209:32:222
55799282,6cyclictest27-21ksoftirqd/208:57:242
55799282,6cyclictest27-21ksoftirqd/208:57:242
4982285,15sleep20-21swapper/207:12:302
4982285,15sleep20-21swapper/207:12:302
55799278,10cyclictest27-21ksoftirqd/208:13:342
555992714,5cyclictest60332sleep007:27:230
55799265,7cyclictest27-21ksoftirqd/207:27:232
55799263,3cyclictest131rcu_preempt08:27:212
55799263,3cyclictest131rcu_preempt08:27:212
557992612,5cyclictest131rcu_preempt08:54:442
557992612,5cyclictest131rcu_preempt08:54:442
55699261,4cyclictest131rcu_preempt07:42:221
55699261,4cyclictest131rcu_preempt07:42:221
55799259,7cyclictest27-21ksoftirqd/208:40:512
55799259,7cyclictest27-21ksoftirqd/208:40:512
55799258,9cyclictest27-21ksoftirqd/208:11:122
55799258,9cyclictest27-21ksoftirqd/208:11:122
55799258,5cyclictest131rcu_preempt08:36:402
55799256,11cyclictest27-21ksoftirqd/209:11:592
55799256,11cyclictest27-21ksoftirqd/209:11:592
55799255,13cyclictest27-21ksoftirqd/209:14:562
55799255,13cyclictest27-21ksoftirqd/209:14:562
55799252,5cyclictest27-21ksoftirqd/207:57:232
55799252,5cyclictest27-21ksoftirqd/207:57:232
55699253,5cyclictest131rcu_preempt08:17:221
55699253,5cyclictest131rcu_preempt08:17:221
55699252,3cyclictest131rcu_preempt07:57:231
55699252,3cyclictest131rcu_preempt07:57:231
555992512,3cyclictest12-21ksoftirqd/009:02:120
555992512,3cyclictest12-21ksoftirqd/009:02:120
555992512,3cyclictest12-21ksoftirqd/009:02:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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