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2024-07-27 - 08:10
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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 rackdslot2.osadl.org (updated Sat Jul 27, 2024 00:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1864924150,6sleep00-21swapper/019:05:130
1235911740,6ptp4l401ktimersoftd/319:06:113
1273921620,8sleep02071799cyclictest00:35:300
207209910293,5cyclictest41-21ksoftirqd/322:20:103
207209910091,5cyclictest41-21ksoftirqd/319:15:113
20720999889,5cyclictest41-21ksoftirqd/319:30:113
20720999687,5cyclictest41-21ksoftirqd/300:25:103
20720999583,7cyclictest41-21ksoftirqd/320:25:113
20720999485,5cyclictest41-21ksoftirqd/321:10:093
20720999484,6cyclictest41-21ksoftirqd/323:35:093
20720999484,6cyclictest41-21ksoftirqd/321:20:113
20720998775,8cyclictest41-21ksoftirqd/300:00:113
202072833,19sleep20-21swapper/219:07:072
20720997561,7cyclictest41-21ksoftirqd/322:35:153
20720997060,5cyclictest41-21ksoftirqd/300:35:113
20720997058,7cyclictest41-21ksoftirqd/319:25:133
20720997056,8cyclictest41-21ksoftirqd/321:45:093
20720997054,9cyclictest41-21ksoftirqd/323:00:123
176152690,9sleep02071799cyclictest23:40:000
170582620,2sleep20-21swapper/223:35:292
123591610,1ptp4l401ktimersoftd/321:03:483
20720996054,4cyclictest41-21ksoftirqd/322:20:003
123591600,1ptp4l401ktimersoftd/321:42:353
123591590,1ptp4l401ktimersoftd/320:20:483
20720995850,4cyclictest41-21ksoftirqd/323:05:043
42012570,3sleep12071899cyclictest00:20:011
42012570,3sleep12071899cyclictest00:20:001
20720995548,3cyclictest41-21ksoftirqd/322:55:003
57698540,14rtkit-daemon0-21swapper/021:47:360
20720995448,3cyclictest41-21ksoftirqd/322:35:003
20719995435,16cyclictest33-21ksoftirqd/221:55:002
97762530,2sleep30-21swapper/321:05:153
20720995348,3cyclictest41-21ksoftirqd/319:40:003
20720995346,4cyclictest41-21ksoftirqd/320:00:003
20720995346,4cyclictest41-21ksoftirqd/319:59:593
20720995320,4cyclictest41-21ksoftirqd/322:30:003
20720995246,3cyclictest41-21ksoftirqd/322:45:273
20720995225,3cyclictest41-21ksoftirqd/322:55:293
2072099516,9cyclictest41-21ksoftirqd/320:35:013
20720995145,4cyclictest41-21ksoftirqd/320:50:133
20720995145,3cyclictest41-21ksoftirqd/320:40:003
20720995145,3cyclictest41-21ksoftirqd/300:35:003
20720995145,3cyclictest41-21ksoftirqd/300:00:003
20720995144,4cyclictest41-21ksoftirqd/321:40:013
20720995130,4cyclictest41-21ksoftirqd/321:30:573
20720995119,7cyclictest41-21ksoftirqd/300:10:003
20719995132,16cyclictest33-21ksoftirqd/222:15:092
20720995045,3cyclictest41-21ksoftirqd/323:20:253
20720995045,3cyclictest41-21ksoftirqd/320:10:293
20720995045,3cyclictest41-21ksoftirqd/319:24:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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