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2024-07-27 - 04:06
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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 rackdslot3.osadl.org (updated Fri Jul 26, 2024 12:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
664821610,8sleep21773499cyclictest12:30:182
576981510,10rtkit-daemon575-21rtkit-daemon07:08:482
576981510,10rtkit-daemon575-21rtkit-daemon07:08:482
8255911180,5ptp4l401ktimersoftd/307:05:323
8255911180,5ptp4l401ktimersoftd/307:05:323
130721170,6sleep11773399cyclictest11:10:141
17733998572,7cyclictest25-21ksoftirqd/109:00:121
17733998571,8cyclictest25-21ksoftirqd/112:10:101
1718527812,54sleep00-21swapper/007:08:250
1718527812,54sleep00-21swapper/007:08:250
96792730,2sleep20-21swapper/208:00:222
17735997125,9cyclictest41-21ksoftirqd/309:50:003
825591700,2ptp4l401ktimersoftd/307:10:143
825591700,2ptp4l401ktimersoftd/307:10:143
17733996958,6cyclictest25-21ksoftirqd/110:45:101
17735996861,4cyclictest41-21ksoftirqd/307:35:153
17735996860,4cyclictest41-21ksoftirqd/308:40:083
17735996834,4cyclictest41-21ksoftirqd/312:05:293
825591670,1ptp4l401ktimersoftd/310:35:323
17735996760,4cyclictest41-21ksoftirqd/310:30:113
17735996760,4cyclictest41-21ksoftirqd/308:25:113
17735996659,4cyclictest41-21ksoftirqd/310:50:133
17735996659,4cyclictest41-21ksoftirqd/307:40:123
17733996635,3cyclictest25-21ksoftirqd/107:15:201
17733996634,4cyclictest25-21ksoftirqd/107:35:151
256422650,2sleep00-21swapper/008:35:130
256422650,2sleep00-21swapper/008:35:130
17735996558,4cyclictest41-21ksoftirqd/310:05:123
17735996558,4cyclictest41-21ksoftirqd/308:05:103
17735996558,4cyclictest41-21ksoftirqd/307:25:113
17735996530,3cyclictest41-21ksoftirqd/312:25:263
17735996523,8cyclictest41-21ksoftirqd/312:00:313
17733996432,8cyclictest25-21ksoftirqd/112:25:141
17733996432,5cyclictest25-21ksoftirqd/109:25:211
17733996431,4cyclictest25-21ksoftirqd/108:15:111
17733996430,5cyclictest25-21ksoftirqd/111:30:151
17733996430,5cyclictest25-21ksoftirqd/111:30:141
119152640,5sleep111921-21irqrtprio08:05:191
17735996329,4cyclictest41-21ksoftirqd/310:55:013
17733996355,4cyclictest25-21ksoftirqd/109:45:041
17733996333,4cyclictest25-21ksoftirqd/110:10:231
17733996330,5cyclictest25-21ksoftirqd/110:50:301
17733996330,4cyclictest25-21ksoftirqd/110:10:011
17735996255,4cyclictest41-21ksoftirqd/311:45:123
17735996229,5cyclictest41-21ksoftirqd/308:20:323
17733996231,4cyclictest25-21ksoftirqd/110:15:161
17733996230,5cyclictest25-21ksoftirqd/110:00:231
17733996230,5cyclictest25-21ksoftirqd/110:00:231
17733996223,11cyclictest25-21ksoftirqd/111:00:251
825591610,1ptp4l401ktimersoftd/309:41:173
17735996154,4cyclictest41-21ksoftirqd/312:20:053
17733996152,5cyclictest25-21ksoftirqd/107:55:101
17733996148,7cyclictest25-21ksoftirqd/108:50:101
17733996132,4cyclictest25-21ksoftirqd/112:05:271
17733996130,4cyclictest25-21ksoftirqd/108:00:221
17733996130,4cyclictest25-21ksoftirqd/107:10:201
17733996130,4cyclictest25-21ksoftirqd/107:10:201
17733996129,4cyclictest25-21ksoftirqd/111:50:001
17733996129,4cyclictest25-21ksoftirqd/108:10:291
17733996127,5cyclictest25-21ksoftirqd/112:19:591
17733996122,8cyclictest25-21ksoftirqd/108:40:161
17735996052,4cyclictest41-21ksoftirqd/311:10:133
17735996030,7cyclictest41-21ksoftirqd/310:30:003
17735996024,7cyclictest41-21ksoftirqd/309:50:323
17735996023,4cyclictest41-21ksoftirqd/312:15:013
17735996020,8cyclictest41-21ksoftirqd/308:00:123
17733996028,4cyclictest25-21ksoftirqd/111:05:221
17733996027,4cyclictest25-21ksoftirqd/109:10:171
17733996027,4cyclictest25-21ksoftirqd/107:20:351
17733996022,8cyclictest25-21ksoftirqd/107:55:011
17735995944,7cyclictest41-21ksoftirqd/310:20:323
17735995930,7cyclictest41-21ksoftirqd/311:35:143
17735995928,4cyclictest41-21ksoftirqd/312:30:193
17735995927,4cyclictest41-21ksoftirqd/311:55:293
17735995920,8cyclictest41-21ksoftirqd/309:10:133
17735995918,8cyclictest41-21ksoftirqd/312:15:203
17733995929,4cyclictest25-21ksoftirqd/112:00:101
17733995928,4cyclictest25-21ksoftirqd/111:20:291
17733995928,4cyclictest25-21ksoftirqd/107:45:161
17735995844,6cyclictest41-21ksoftirqd/311:15:183
17735995840,14cyclictest41-21ksoftirqd/310:20:003
17735995828,7cyclictest41-21ksoftirqd/307:15:143
17733995851,4cyclictest25-21ksoftirqd/108:35:061
17733995851,4cyclictest25-21ksoftirqd/108:35:061
17733995827,4cyclictest25-21ksoftirqd/111:25:321
17733995827,4cyclictest25-21ksoftirqd/111:25:321
17733995826,5cyclictest25-21ksoftirqd/112:20:321
17733995826,4cyclictest25-21ksoftirqd/108:50:011
17733995818,9cyclictest25-21ksoftirqd/112:40:011
1773599575,3cyclictest41-21ksoftirqd/310:40:213
17735995736,5cyclictest41-21ksoftirqd/309:39:593
17735995727,7cyclictest41-21ksoftirqd/310:45:103
17735995722,5cyclictest41-21ksoftirqd/311:05:003
17735995718,11cyclictest41-21ksoftirqd/308:15:183
17735995717,9cyclictest41-21ksoftirqd/311:30:173
17735995717,9cyclictest41-21ksoftirqd/311:30:173
17733995744,3cyclictest25-21ksoftirqd/110:20:241
17733995726,5cyclictest25-21ksoftirqd/108:20:291
17733995725,4cyclictest25-21ksoftirqd/110:35:011
17733995725,4cyclictest25-21ksoftirqd/109:40:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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