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2024-10-04 - 17:35
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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 highest latencies:
System rack3slot6.osadl.org (updated Fri Oct 04, 2024 12:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
705921180,8sleep10-21swapper/112:15:291
274989910172,15cyclictest0-21swapper/009:45:140
274989910172,15cyclictest0-21swapper/009:45:140
27498999668,16cyclictest0-21swapper/008:05:120
27498999668,15cyclictest14-21ksoftirqd/011:30:110
27498999471,11cyclictest14-21ksoftirqd/009:55:160
27498999469,13cyclictest14-21ksoftirqd/008:35:100
27498999342,45cyclictest0-21swapper/012:30:130
27498999268,12cyclictest14-21ksoftirqd/012:05:120
27498999266,12cyclictest14-21ksoftirqd/009:40:150
27498999264,17cyclictest0-21swapper/012:00:130
27498999164,14cyclictest14-21ksoftirqd/011:50:110
27498999074,10cyclictest14-21ksoftirqd/008:45:150
27498998964,11cyclictest14-21ksoftirqd/008:55:120
27498998865,12cyclictest14-21ksoftirqd/011:35:120
27498998865,12cyclictest14-21ksoftirqd/011:35:120
2576728834,39sleep00-21swapper/007:05:130
27498998765,10cyclictest14-21ksoftirqd/009:10:120
27498998760,16cyclictest14-21ksoftirqd/007:45:130
27498998760,16cyclictest14-21ksoftirqd/007:45:130
27498998759,17cyclictest14-21ksoftirqd/009:15:120
27498998660,14cyclictest14-21ksoftirqd/011:55:110
27498998656,17cyclictest14-21ksoftirqd/007:30:110
27498998458,16cyclictest14-21ksoftirqd/007:35:110
27498998456,19cyclictest14-21ksoftirqd/009:35:140
27498998456,19cyclictest14-21ksoftirqd/009:35:140
27498998456,17cyclictest14-21ksoftirqd/007:50:250
27498998456,17cyclictest0-21swapper/010:05:110
27498998355,18cyclictest14-21ksoftirqd/009:00:110
27498998355,18cyclictest14-21ksoftirqd/007:10:130
27498998355,17cyclictest14-21ksoftirqd/007:15:120
27498998256,17cyclictest14-21ksoftirqd/009:20:130
27498998254,17cyclictest14-21ksoftirqd/011:40:130
27498998254,16cyclictest14-21ksoftirqd/011:00:140
27498998250,22cyclictest0-21swapper/010:40:120
27498998152,19cyclictest14-21ksoftirqd/007:55:160
27498998053,17cyclictest14-21ksoftirqd/010:35:120
27498998052,19cyclictest14-21ksoftirqd/012:35:120
27498998052,19cyclictest14-21ksoftirqd/008:10:130
27498998052,19cyclictest14-21ksoftirqd/008:10:130
27498997952,18cyclictest14-21ksoftirqd/010:10:130
27498997948,21cyclictest14-21ksoftirqd/012:25:150
27498997941,30cyclictest14-21ksoftirqd/010:55:240
27498997914,19cyclictest0-21swapper/012:20:130
27498997846,20cyclictest14-21ksoftirqd/007:25:120
27501997735,17cyclictest595-21snmpd11:43:521
27498997753,16cyclictest14-21ksoftirqd/008:40:110
27498997749,19cyclictest14-21ksoftirqd/011:10:130
27498997748,18cyclictest0-21swapper/010:30:130
27498997650,15cyclictest14-21ksoftirqd/011:45:150
27498997648,19cyclictest14-21ksoftirqd/010:00:120
27498997648,19cyclictest14-21ksoftirqd/007:20:130
27498997624,14cyclictest14-21ksoftirqd/007:40:040
27498997547,20cyclictest14-21ksoftirqd/011:05:140
27498997544,21cyclictest14-21ksoftirqd/009:30:130
27498997446,18cyclictest0-21swapper/010:20:120
27498997444,17cyclictest0-21swapper/008:25:150
27498997348,17cyclictest14-21ksoftirqd/009:50:220
2609227337,21sleep10-21swapper/107:05:181
50532720,10sleep15040-21sendmail10:40:001
27498997219,49cyclictest0-21swapper/008:15:110
27498997143,18cyclictest14-21ksoftirqd/011:20:110
27498997044,17cyclictest0-21swapper/011:25:120
27498997041,16cyclictest0-21swapper/012:10:140
27498997040,18cyclictest0-21swapper/012:15:130
2750199693,17cyclictest21102-21cron11:25:001
27498996837,17cyclictest0-21swapper/011:15:100
27498996712,15cyclictest14-21ksoftirqd/010:30:010
27501996653,8cyclictest26-21ksoftirqd/111:25:061
27501996625,20cyclictest26-21ksoftirqd/110:35:011
27501996619,27cyclictest14228-21sed08:00:271
27498996643,14cyclictest0-21swapper/008:30:120
38272650,5chrt0-21swapper/109:05:001
2750199652,13cyclictest9739-21taskset12:25:011
2749899658,10cyclictest14-21ksoftirqd/009:09:000
2749899657,21cyclictest31171-21apt-get08:50:140
2750199648,38cyclictest0-21swapper/112:10:111
27501996438,9cyclictest26-21ksoftirqd/108:30:191
27501996424,22cyclictest26-21ksoftirqd/107:40:041
27498996420,36cyclictest11109-21aten2.4-expect09:25:160
27501996333,17cyclictest26-21ksoftirqd/110:43:571
27501996332,17cyclictest26-21ksoftirqd/111:30:171
27501996316,30cyclictest287-21systemd-journal08:39:551
27498996338,18cyclictest27488-21cyclictest10:15:120
27498996338,18cyclictest27488-21cyclictest10:15:120
27498996320,37cyclictest7096-21aten2.4-expect10:45:200
2750199626,12cyclictest0-21swapper/110:05:121
2750199626,11cyclictest0-21swapper/111:00:141
27501996233,18cyclictest26-21ksoftirqd/107:30:241
27498996215,16cyclictest14-21ksoftirqd/008:00:310
27501996136,19cyclictest26-21ksoftirqd/109:50:011
27501996136,19cyclictest26-21ksoftirqd/109:50:011
27501996126,11cyclictest26-21ksoftirqd/111:05:421
27501996124,14cyclictest26-21ksoftirqd/109:20:001
2750199612,24cyclictest3981-21apt-get09:05:121
2750199612,18cyclictest31494-21cat07:20:011
27501996121,20cyclictest26-21ksoftirqd/109:30:181
27501996112,15cyclictest151rcu_preempt11:15:001
27498996134,15cyclictest0-21swapper/010:50:140
2749899612,44cyclictest0-21swapper/008:20:120
27501996037,17cyclictest26-21ksoftirqd/107:20:221
2750199602,16cyclictest7352-21munin-run09:15:011
27501996013,23cyclictest26-21ksoftirqd/108:00:011
2750199596,17cyclictest1129-21apt-get12:00:131
27501995937,17cyclictest26-21ksoftirqd/111:50:211
27501995936,8cyclictest26-21ksoftirqd/107:25:251
27501995936,17cyclictest26-21ksoftirqd/108:55:181
27501995935,10cyclictest26-21ksoftirqd/108:06:001
27501995934,19cyclictest26-21ksoftirqd/108:10:351
27501995934,19cyclictest26-21ksoftirqd/108:10:351
27501995931,17cyclictest26-21ksoftirqd/110:56:531
27501995928,17cyclictest26-21ksoftirqd/112:25:341
2750199587,8cyclictest151rcu_preempt10:25:231
27501995836,17cyclictest26-21ksoftirqd/108:25:181
27501995835,8cyclictest26-21ksoftirqd/110:45:381
27501995835,8cyclictest26-21ksoftirqd/110:20:161
27501995835,17cyclictest26-21ksoftirqd/107:10:351
27501995834,9cyclictest26-21ksoftirqd/111:35:381
27501995834,9cyclictest26-21ksoftirqd/111:35:381
27501995834,9cyclictest26-21ksoftirqd/110:50:191
27501995834,17cyclictest26-21ksoftirqd/110:15:011
27501995833,18cyclictest26-21ksoftirqd/108:50:351
2750199583,11cyclictest506-21dbus-daemon09:50:051
2750199582,14cyclictest14847-21sort12:39:001
27501995819,21cyclictest26-21ksoftirqd/107:50:071
27501995818,21cyclictest26-21ksoftirqd/109:45:001
27501995816,15cyclictest5257-21smartctl07:35:371
27501995740,10cyclictest26-21ksoftirqd/112:05:191
27501995735,17cyclictest26-21ksoftirqd/108:15:301
27501995735,16cyclictest26-21ksoftirqd/111:20:011
27501995735,16cyclictest26-21ksoftirqd/109:20:421
27501995734,17cyclictest26-21ksoftirqd/111:45:341
27501995734,17cyclictest26-21ksoftirqd/110:15:411
27501995734,17cyclictest26-21ksoftirqd/110:15:411
27501995734,17cyclictest26-21ksoftirqd/110:00:001
27501995734,17cyclictest26-21ksoftirqd/109:35:241
27501995734,17cyclictest26-21ksoftirqd/109:35:241
27501995734,17cyclictest26-21ksoftirqd/108:40:211
27501995733,8cyclictest26-21ksoftirqd/112:30:211
27501995732,19cyclictest26-21ksoftirqd/107:45:401
27501995732,19cyclictest26-21ksoftirqd/107:45:401
27501995732,18cyclictest26-21ksoftirqd/108:50:011
27501995633,17cyclictest26-21ksoftirqd/109:25:131
27501995633,17cyclictest26-21ksoftirqd/108:20:311
27501995632,18cyclictest26-21ksoftirqd/111:55:201
27501995530,19cyclictest26-21ksoftirqd/110:00:131
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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