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2025-01-13 - 10:17
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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 100 highest latencies:
System rackfslot7.osadl.org (updated Mon Jan 13, 2025 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2008522996124,18cyclictest2156731-21ntpq00:00:203
2008523995637,18cyclictest2129912-21kworker/u32:4+events_unbound00:00:034
2008520995613,0cyclictest0-21swapper/122:00:151
2008525995314,39cyclictest0-21swapper/619:35:156
2008519995315,19cyclictest0-21swapper/020:30:190
2008519995214,19cyclictest0-21swapper/023:30:110
2008525995114,18cyclictest0-21swapper/622:30:126
2008523995113,19cyclictest0-21swapper/423:30:114
2008520995012,19cyclictest0-21swapper/100:10:121
2008523994911,19cyclictest0-21swapper/419:30:204
2008520994930,19cyclictest0-21swapper/123:50:111
200852199489,38cyclictest0-21swapper/222:10:112
200851999488,39cyclictest0-21swapper/020:40:150
2008522994729,18cyclictest0-21swapper/321:30:583
2008522994729,18cyclictest0-21swapper/321:30:583
2008522994729,18cyclictest0-21swapper/320:09:423
2008522994729,18cyclictest0-21swapper/300:10:343
200852499467,39cyclictest0-21swapper/522:00:155
200852399467,39cyclictest0-21swapper/419:45:154
200852099457,19cyclictest0-21swapper/123:35:151
200852099446,19cyclictest0-21swapper/120:05:161
2008524994224,18cyclictest0-21swapper/519:55:155
200852199413,19cyclictest0-21swapper/219:20:162
200851999412,20cyclictest0-21swapper/019:10:160
200852499401,39cyclictest0-21swapper/519:40:165
2008520994015,19cyclictest0-21swapper/122:20:161
2008519994021,19cyclictest0-21swapper/021:55:160
200852499390,39cyclictest0-21swapper/521:00:145
200852199390,20cyclictest0-21swapper/221:20:172
200852199390,20cyclictest0-21swapper/221:20:172
200851999390,39cyclictest0-21swapper/020:00:150
200852399380,38cyclictest0-21swapper/419:23:434
200852399380,19cyclictest0-21swapper/423:00:154
200852399380,19cyclictest0-21swapper/420:20:144
2008519993819,19cyclictest0-21swapper/021:40:150
200852199370,37cyclictest0-21swapper/222:40:162
2008519993714,19cyclictest0-21swapper/022:30:120
200852599360,16cyclictest0-21swapper/623:15:156
2008522993617,19cyclictest511ktimers/321:22:203
2008522993617,19cyclictest511ktimers/321:22:203
200852099360,35cyclictest0-21swapper/122:15:151
200852599358,27cyclictest0-21swapper/600:15:156
2008525993514,20cyclictest0-21swapper/620:30:206
200852399350,35cyclictest0-21swapper/420:35:484
200852399350,34cyclictest0-21swapper/422:29:574
200852399350,16cyclictest0-21swapper/422:30:124
2008521993515,19cyclictest0-21swapper/223:50:172
200852199350,15cyclictest0-21swapper/219:10:162
2008520993511,24cyclictest0-21swapper/100:15:151
200852099350,16cyclictest0-21swapper/123:15:151
200852099350,15cyclictest0-21swapper/121:05:161
2008519993511,19cyclictest0-21swapper/020:15:160
200852599340,15cyclictest0-21swapper/623:10:126
200852599340,15cyclictest0-21swapper/619:45:156
2008524993415,19cyclictest0-21swapper/519:25:155
2008523993414,19cyclictest0-21swapper/421:29:524
200852399340,34cyclictest0-21swapper/423:18:004
200852399340,34cyclictest0-21swapper/422:59:594
200852399340,34cyclictest0-21swapper/419:35:444
2008521993415,19cyclictest0-21swapper/222:50:112
200852199340,15cyclictest0-21swapper/200:00:162
200852099340,15cyclictest0-21swapper/121:40:151
2008519993415,19cyclictest0-21swapper/023:55:160
200851999340,15cyclictest0-21swapper/023:10:120
200851999340,15cyclictest0-21swapper/000:35:170
2008525993314,19cyclictest0-21swapper/622:55:136
2008525993314,19cyclictest0-21swapper/622:50:116
2008525993314,19cyclictest0-21swapper/622:10:106
2008525993314,19cyclictest0-21swapper/621:50:126
2008525993314,19cyclictest0-21swapper/620:20:136
2008525993314,19cyclictest0-21swapper/619:25:166
2008525993314,19cyclictest0-21swapper/619:15:166
2008524993314,19cyclictest0-21swapper/522:20:165
2008524993314,19cyclictest0-21swapper/519:35:145
2008524993313,20cyclictest0-21swapper/520:55:165
2008523993314,19cyclictest0-21swapper/423:42:024
2008523993314,19cyclictest0-21swapper/422:35:174
2008523993314,19cyclictest0-21swapper/422:15:154
2008523993314,19cyclictest0-21swapper/422:11:554
2008523993314,19cyclictest0-21swapper/421:40:154
2008523993314,19cyclictest0-21swapper/421:10:184
2008523993314,19cyclictest0-21swapper/421:05:164
2008523993314,19cyclictest0-21swapper/420:00:154
2008523993314,19cyclictest0-21swapper/419:53:454
2008523993314,19cyclictest0-21swapper/419:17:424
2008523993314,19cyclictest0-21swapper/419:11:424
2008523993314,0cyclictest0-21swapper/421:23:524
2008523993314,0cyclictest0-21swapper/421:23:514
2008521993314,19cyclictest0-21swapper/221:50:122
2008521993314,19cyclictest0-21swapper/220:50:122
2008521993314,19cyclictest0-21swapper/220:10:192
2008521993314,19cyclictest0-21swapper/219:25:152
2008521993314,19cyclictest0-21swapper/200:35:172
2008521993314,19cyclictest0-21swapper/200:30:112
2008521993314,19cyclictest0-21swapper/200:20:152
2008520993314,19cyclictest0-21swapper/121:30:111
2008520993314,19cyclictest0-21swapper/121:30:111
2008520993314,19cyclictest0-21swapper/119:50:161
2008519993314,19cyclictest0-21swapper/023:40:140
2008519993314,19cyclictest0-21swapper/022:50:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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