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2024-11-22 - 08:56
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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 50 highest latencies:
System rackdslot1.osadl.org (updated Fri Nov 22, 2024 00:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1166911960,12ptp4l33-21ksoftirqd/219:09:532
1166911960,12ptp4l33-21ksoftirqd/219:09:532
2414421770,8sleep3655299cyclictest23:15:153
1166911590,14ptp4l0-21swapper/019:07:480
1166911590,14ptp4l0-21swapper/019:07:470
1166911550,60ptp4l0-21swapper/119:06:381
1166911550,60ptp4l0-21swapper/119:06:381
1166911120,12ptp4l41-21ksoftirqd/319:05:323
1166911120,12ptp4l41-21ksoftirqd/319:05:313
1166911030,9ptp4l0-21swapper/119:10:011
1166911030,9ptp4l0-21swapper/119:10:001
65529910288,8cyclictest41-21ksoftirqd/322:25:113
65529910187,8cyclictest41-21ksoftirqd/320:30:123
65529910186,9cyclictest41-21ksoftirqd/322:10:153
65529910186,9cyclictest41-21ksoftirqd/322:10:143
1166911010,8ptp4l0-21swapper/019:10:010
1166911010,8ptp4l0-21swapper/019:10:010
6552999986,8cyclictest41-21ksoftirqd/320:45:113
6552999985,8cyclictest41-21ksoftirqd/322:30:163
6552999985,8cyclictest41-21ksoftirqd/321:05:133
6552999885,7cyclictest41-21ksoftirqd/321:50:153
6552999784,7cyclictest41-21ksoftirqd/321:30:183
6552999783,8cyclictest41-21ksoftirqd/319:15:123
6552999683,6cyclictest41-21ksoftirqd/323:50:093
6552999278,8cyclictest41-21ksoftirqd/319:30:113
6552999179,7cyclictest41-21ksoftirqd/323:00:113
6552999077,6cyclictest41-21ksoftirqd/319:45:143
6552998068,7cyclictest41-21ksoftirqd/320:50:133
6552997948,6cyclictest41-21ksoftirqd/319:10:283
6552997948,6cyclictest41-21ksoftirqd/319:10:283
6552997928,4cyclictest41-21ksoftirqd/322:42:023
6552997926,5cyclictest41-21ksoftirqd/322:48:243
6552997639,4cyclictest41-21ksoftirqd/320:15:163
6552997526,10cyclictest41-21ksoftirqd/322:36:323
6552997520,9cyclictest41-21ksoftirqd/300:36:393
6552997463,7cyclictest41-21ksoftirqd/323:55:123
6552997436,9cyclictest41-21ksoftirqd/321:45:283
6552997432,8cyclictest41-21ksoftirqd/322:15:173
6550997464,5cyclictest25-21ksoftirqd/120:00:131
6552997339,7cyclictest41-21ksoftirqd/323:05:293
6552997237,7cyclictest41-21ksoftirqd/300:20:323
6552997236,7cyclictest41-21ksoftirqd/323:34:593
6552997224,11cyclictest41-21ksoftirqd/321:12:053
6550997265,5cyclictest25-21ksoftirqd/122:35:121
6552997120,9cyclictest41-21ksoftirqd/321:58:113
6552997039,7cyclictest41-21ksoftirqd/321:35:253
6552997025,10cyclictest41-21ksoftirqd/320:12:093
6552996960,5cyclictest41-21ksoftirqd/322:55:103
6552996936,7cyclictest41-21ksoftirqd/323:25:293
6552996933,5cyclictest41-21ksoftirqd/322:00:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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