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2026-08-17 - 12:28
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Mon Aug 17, 2026 01:01:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37025992581,254cyclictest0-21swapper/3421:30:1728
37025992581,254cyclictest0-21swapper/3421:30:1728
37025992571,253cyclictest0-21swapper/3422:10:1728
37025992571,253cyclictest0-21swapper/3422:10:1728
37025992491,244cyclictest0-21swapper/3423:25:5928
37025992491,244cyclictest0-21swapper/3423:25:5928
37025992491,244cyclictest0-21swapper/3423:25:5928
37025992491,244cyclictest0-21swapper/3421:20:0228
37025992491,244cyclictest0-21swapper/3421:20:0228
37025992471,243cyclictest0-21swapper/3421:10:2628
37025992471,243cyclictest0-21swapper/3421:10:2528
37025992471,243cyclictest0-21swapper/3421:10:2528
37025992461,242cyclictest0-21swapper/3422:05:2128
37025992461,242cyclictest0-21swapper/3422:05:2128
37025992431,240cyclictest0-21swapper/3421:56:0228
37025992431,240cyclictest0-21swapper/3421:56:0128
37025992431,239cyclictest34757-21timerandwakeup00:10:3628
37025992431,239cyclictest34757-21timerandwakeup00:10:3628
37025992431,239cyclictest0-21swapper/3421:50:1528
37025992431,239cyclictest0-21swapper/3421:50:1528
37025992431,239cyclictest0-21swapper/3420:40:2028
37025992431,239cyclictest0-21swapper/3420:40:2028
37025992420,238cyclictest142450irq/46-eno1-TxRx-422:24:4828
37025992420,238cyclictest142450irq/46-eno1-TxRx-422:24:4828
37025992411,236cyclictest0-21swapper/3422:15:2628
37025992411,236cyclictest0-21swapper/3422:15:2628
37025992410,238cyclictest0-21swapper/3400:35:3028
37025992410,238cyclictest0-21swapper/3400:35:2928
37025992381,233cyclictest0-21swapper/3423:51:0228
37025992381,233cyclictest0-21swapper/3423:51:0228
37025992381,233cyclictest0-21swapper/3423:51:0228
37025992371,233cyclictest0-21swapper/3422:53:5628
37025992371,233cyclictest0-21swapper/3422:53:5628
37025992371,233cyclictest0-21swapper/3422:45:2028
37025992371,233cyclictest0-21swapper/3422:45:2028
37025992371,233cyclictest0-21swapper/3422:40:2028
37025992371,233cyclictest0-21swapper/3422:40:2028
37025992371,233cyclictest0-21swapper/3422:32:3628
37025992371,233cyclictest0-21swapper/3422:32:3628
37025992360,232cyclictest142450irq/46-eno1-TxRx-421:25:0128
37025992360,232cyclictest142450irq/46-eno1-TxRx-421:25:0028
37025992360,232cyclictest142450irq/46-eno1-TxRx-421:25:0028
37025992342,229cyclictest0-21swapper/3421:00:2928
37025992341,230cyclictest0-21swapper/3422:35:2028
37025992341,230cyclictest0-21swapper/3422:35:2028
37025992340,231cyclictest6416-21latency23:05:2228
37025992340,231cyclictest6416-21latency23:05:2228
37025992332,228cyclictest0-21swapper/3423:56:1028
37025992332,228cyclictest0-21swapper/3423:56:0928
37025992332,228cyclictest0-21swapper/3423:56:0928
37025992331,229cyclictest0-21swapper/3423:30:1628
37025992331,229cyclictest0-21swapper/3423:30:1628
37025992331,229cyclictest0-21swapper/3423:20:1928
37025992331,229cyclictest0-21swapper/3423:20:1828
37025992331,229cyclictest0-21swapper/3420:26:2528
37025992331,229cyclictest0-21swapper/3420:26:2528
37025992331,229cyclictest0-21swapper/3400:25:3028
37025992331,229cyclictest0-21swapper/3400:25:2928
37025992321,229cyclictest0-21swapper/3400:02:4628
37025992321,229cyclictest0-21swapper/3400:02:4628
37025992321,228cyclictest0-21swapper/3423:39:0228
37025992321,228cyclictest0-21swapper/3423:39:0128
37025992321,228cyclictest0-21swapper/3423:39:0128
37025992311,227cyclictest0-21swapper/3423:41:1128
37025992311,227cyclictest0-21swapper/3423:41:1128
37025992311,226cyclictest0-21swapper/3420:15:1328
37025992311,226cyclictest0-21swapper/3420:15:1328
37025992301,226cyclictest0-21swapper/3423:46:5328
37025992301,226cyclictest0-21swapper/3423:46:5228
37025992301,226cyclictest0-21swapper/3423:01:2828
37025992301,226cyclictest0-21swapper/3423:01:2828
37025992301,226cyclictest0-21swapper/3400:30:2428
37025992301,226cyclictest0-21swapper/3400:30:2328
37025992291,225cyclictest0-21swapper/3422:01:3628
37025992291,225cyclictest0-21swapper/3422:01:3628
37025992291,225cyclictest0-21swapper/3421:48:4428
37025992291,225cyclictest0-21swapper/3421:48:4328
37025992290,226cyclictest0-21swapper/3400:15:1528
37025992290,226cyclictest0-21swapper/3400:15:1428
37025992281,224cyclictest0-21swapper/3423:10:1528
37025992281,224cyclictest0-21swapper/3423:10:1528
37025992281,224cyclictest0-21swapper/3400:22:0328
37025992281,224cyclictest0-21swapper/3400:22:0228
37025992281,223cyclictest0-21swapper/3422:25:4828
37025992281,223cyclictest0-21swapper/3422:25:4828
37025992271,223cyclictest0-21swapper/3421:38:5928
37025992271,223cyclictest0-21swapper/3421:38:5928
37025992271,223cyclictest0-21swapper/3421:38:5928
37025992251,222cyclictest0-21swapper/3422:59:2328
37025992251,222cyclictest0-21swapper/3422:59:2228
37025992251,222cyclictest0-21swapper/3421:25:2828
37025992251,222cyclictest0-21swapper/3421:25:2828
37025992251,221cyclictest0-21swapper/3400:05:3828
37025992251,221cyclictest0-21swapper/3400:05:3728
37025992250,223cyclictest0-21swapper/3423:19:5728
37025992250,223cyclictest0-21swapper/3423:19:5728
37025992221,218cyclictest0-21swapper/3421:40:2628
37025992221,218cyclictest0-21swapper/3421:40:2628
37025992200,213cyclictest0-21swapper/3420:55:2828
37025992200,213cyclictest0-21swapper/3420:55:2828
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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