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2026-05-07 - 21:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackfslot7.osadl.org (updated Thu May 07, 2026 12:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237573799867,59cyclictest2505453-21/usr/sbin/munin11:05:131
2375737997718,39cyclictest2381547-21cut07:20:011
2375737997413,59cyclictest2429007-21/usr/sbin/munin08:45:131
2375737997032,38cyclictest0-21swapper/110:46:141
2375737996810,39cyclictest2529769-21munin-run11:50:011
2375750996749,18cyclictest0-21swapper/312:25:163
237573799679,39cyclictest1309867-21sshd10:27:051
2375737996729,19cyclictest2547968-21gcc12:20:191
2375737996546,19cyclictest0-21swapper/109:35:021
237575499644,20cyclictest0-21swapper/708:10:167
2375754996426,38cyclictest0-21swapper/710:45:147
2375737996323,39cyclictest2465146-21kernelversion09:50:191
237573799613,39cyclictest2459432-21irqstats09:40:171
2375737995735,19cyclictest23921522sleep107:38:211
2375737995735,19cyclictest2375727-21cyclictest07:46:291
2375737995638,18cyclictest85750irq/36-eno1-TxRx-212:30:261
2375737995638,18cyclictest85750irq/36-eno1-TxRx-208:50:191
2375737995638,18cyclictest85750irq/36-eno1-TxRx-207:12:551
2375737995638,18cyclictest85750irq/36-eno1-TxRx-207:12:541
2375737995637,19cyclictest85750irq/36-eno1-TxRx-212:14:351
2375737995637,19cyclictest85750irq/36-eno1-TxRx-211:33:111
2375737995637,19cyclictest85750irq/36-eno1-TxRx-211:33:111
2375737995637,19cyclictest85750irq/36-eno1-TxRx-207:53:271
2375737995618,19cyclictest2468157-21ntpq09:55:191
2375737995617,39cyclictest2448217-21perl09:20:131
2375737995538,17cyclictest85750irq/36-eno1-TxRx-212:04:031
2375737995538,17cyclictest85750irq/36-eno1-TxRx-209:49:231
2375737995537,18cyclictest85750irq/36-eno1-TxRx-211:13:151
2375737995537,18cyclictest85750irq/36-eno1-TxRx-210:36:591
2375737995537,18cyclictest85750irq/36-eno1-TxRx-210:01:191
2375737995537,18cyclictest85750irq/36-eno1-TxRx-209:03:501
2375737995537,18cyclictest85750irq/36-eno1-TxRx-208:25:181
2375737995537,18cyclictest85750irq/36-eno1-TxRx-207:33:031
2375737995536,19cyclictest871-21mta-sts-daemon10:08:111
2375737995533,19cyclictest0-21swapper/111:55:281
2375737995533,19cyclictest0-21swapper/110:21:481
2375737995517,38cyclictest85750irq/36-eno1-TxRx-210:34:311
2375737995516,39cyclictest2497763-21df_inode10:50:131
2375737995419,15cyclictest0-21swapper/111:18:531
2375754995318,34cyclictest0-21swapper/711:10:147
2375737995319,34cyclictest0-21swapper/108:17:531
2375737995319,15cyclictest0-21swapper/110:18:291
2375737995318,35cyclictest0-21swapper/108:32:051
2375737995314,39cyclictest0-21swapper/111:41:251
2375737995314,39cyclictest0-21swapper/111:04:431
2375737995314,39cyclictest0-21swapper/110:14:241
2375737995313,39cyclictest0-21swapper/111:30:001
2375737995214,19cyclictest0-21swapper/108:01:211
2375737995213,39cyclictest0-21swapper/109:16:151
2375754995113,19cyclictest0-21swapper/712:30:147
2375737995133,18cyclictest0-21swapper/112:15:111
2375737995133,18cyclictest0-21swapper/109:26:551
2375737995132,19cyclictest0-21swapper/109:32:231
2375737995113,19cyclictest0-21swapper/108:12:451
2375737995112,39cyclictest0-21swapper/107:24:131
2375737995032,18cyclictest0-21swapper/109:10:421
2375737995032,18cyclictest0-21swapper/108:22:311
2375737995031,19cyclictest0-21swapper/107:40:021
2375737995012,19cyclictest0-21swapper/111:50:451
2375737995011,39cyclictest0-21swapper/111:39:571
2375737994930,19cyclictest0-21swapper/110:41:131
2375737994930,19cyclictest0-21swapper/108:43:031
2375737994930,19cyclictest0-21swapper/107:25:271
2375737994910,39cyclictest0-21swapper/109:06:411
237575299488,39cyclictest0-21swapper/510:20:165
237573799489,39cyclictest0-21swapper/108:58:431
237573799489,39cyclictest0-21swapper/107:57:351
2375737994830,18cyclictest0-21swapper/108:07:411
2375737994829,19cyclictest0-21swapper/112:28:391
237573799478,39cyclictest0-21swapper/112:39:451
237573799478,39cyclictest0-21swapper/111:21:051
237573799478,39cyclictest0-21swapper/111:21:051
237573799478,39cyclictest0-21swapper/108:36:301
2375737994728,19cyclictest0-21swapper/112:07:501
2375737994728,19cyclictest0-21swapper/110:56:231
237575499446,19cyclictest0-21swapper/710:50:157
237573399446,19cyclictest0-21swapper/008:05:180
237575099436,18cyclictest0-21swapper/311:30:153
237575099436,18cyclictest0-21swapper/311:30:143
237575499424,38cyclictest0-21swapper/710:20:167
237575099390,20cyclictest0-21swapper/312:00:143
237575099390,20cyclictest0-21swapper/311:05:163
2375752993836,1cyclictest875-21mta-sts-daemon08:35:165
2375754993736,0cyclictest0-21swapper/711:50:137
2375754993736,0cyclictest0-21swapper/707:20:017
2375752993736,0cyclictest2464467-21kworker/5:0+events10:03:595
2375733993737,0cyclictest0-21swapper/012:06:330
237573399370,18cyclictest0-21swapper/008:25:160
2375754993636,0cyclictest0-21swapper/710:04:187
2375754993636,0cyclictest0-21swapper/708:25:017
237575499360,17cyclictest0-21swapper/708:30:167
2375752993636,0cyclictest2512977-21kworker/5:0+events11:34:595
2375752993636,0cyclictest2512977-21kworker/5:0+events11:34:585
2375752993636,0cyclictest2507499-21kworker/5:2+events11:07:345
2375752993636,0cyclictest2438656-21kworker/5:2+events09:03:515
2375752993636,0cyclictest2403846-21kworker/5:2+events08:21:595
2375752993636,0cyclictest2403846-21kworker/5:2+events08:16:595
2375752993636,0cyclictest2397590-21kworker/5:1+events07:52:225
2375754993535,0cyclictest0-21swapper/709:20:217
237575399350,35cyclictest0-21swapper/611:14:516
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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