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2025-04-02 - 08:22
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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 50 highest latencies:
System rack3slot6.osadl.org (updated Wed Apr 02, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202329529,18sleep10-21swapper/119:09:091
98002920,6chrt9803-21wc22:55:010
2246997256,9cyclictest26-21ksoftirqd/121:50:161
96627133,23sleep00-21swapper/019:05:230
2242997014,51cyclictest0-21swapper/022:35:250
105662700,6sleep00-21swapper/021:10:150
102142690,5sleep126-21ksoftirqd/119:30:241
2246996836,26cyclictest26-21ksoftirqd/123:20:191
2246996736,24cyclictest26-21ksoftirqd/122:55:261
2246996735,26cyclictest26-21ksoftirqd/123:40:191
2246996735,26cyclictest26-21ksoftirqd/121:05:201
2246996735,26cyclictest26-21ksoftirqd/100:20:231
2246996735,25cyclictest26-21ksoftirqd/121:20:311
2246996735,25cyclictest26-21ksoftirqd/120:50:331
2246996731,29cyclictest26-21ksoftirqd/100:40:021
2246996729,26cyclictest26-21ksoftirqd/123:50:341
224299676,22cyclictest9901-21apt-get22:55:120
2242996750,12cyclictest0-21swapper/023:55:140
2246996650,11cyclictest2235-21cyclictest21:31:481
2246996636,24cyclictest26-21ksoftirqd/119:50:361
2246996636,24cyclictest26-21ksoftirqd/119:50:351
2246996634,26cyclictest26-21ksoftirqd/120:20:301
2246996634,25cyclictest26-21ksoftirqd/122:10:081
2246996634,25cyclictest26-21ksoftirqd/122:10:071
2246996633,11cyclictest26-21ksoftirqd/121:35:241
2246996632,12cyclictest26-21ksoftirqd/121:50:011
2246996631,8cyclictest26-21ksoftirqd/100:00:031
2246996623,16cyclictest26-21ksoftirqd/120:50:011
2242996645,14cyclictest2324-21apt-get19:10:160
2246996535,24cyclictest26-21ksoftirqd/119:35:271
2246996533,25cyclictest26-21ksoftirqd/120:30:421
2246996533,25cyclictest26-21ksoftirqd/100:15:341
2246996532,27cyclictest26-21ksoftirqd/123:15:231
2246996532,27cyclictest26-21ksoftirqd/119:40:181
2246996532,11cyclictest26-21ksoftirqd/119:20:361
2246996530,12cyclictest26-21ksoftirqd/119:15:011
2246996436,21cyclictest26-21ksoftirqd/122:35:121
2246996435,22cyclictest26-21ksoftirqd/122:40:121
2246996434,23cyclictest26-21ksoftirqd/121:00:211
2246996433,25cyclictest26-21ksoftirqd/120:35:311
2246996433,25cyclictest26-21ksoftirqd/119:55:341
2246996433,25cyclictest26-21ksoftirqd/100:00:181
2246996431,11cyclictest26-21ksoftirqd/122:35:021
2246996431,11cyclictest26-21ksoftirqd/120:40:191
2246996334,23cyclictest26-21ksoftirqd/122:15:201
2246996333,24cyclictest26-21ksoftirqd/123:30:141
2246996333,23cyclictest26-21ksoftirqd/123:00:351
2246996331,11cyclictest26-21ksoftirqd/120:10:241
2246996330,11cyclictest26-21ksoftirqd/122:00:181
2246996330,11cyclictest26-21ksoftirqd/120:00:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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