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2025-12-01 - 13:24
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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 Mon Dec 01, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11065999714,76cyclictest0-21swapper/120:55:151
11065999615,69cyclictest0-21swapper/123:45:141
11065999615,69cyclictest0-21swapper/123:45:131
1051329619,28sleep00-21swapper/019:06:100
11065999416,70cyclictest0-21swapper/122:50:171
11065999415,67cyclictest0-21swapper/100:10:111
11065999315,71cyclictest0-21swapper/121:40:121
11065998915,67cyclictest0-21swapper/122:05:141
11065998915,67cyclictest0-21swapper/121:15:131
11065998816,63cyclictest0-21swapper/100:15:101
11065998815,65cyclictest0-21swapper/123:05:181
11065998814,64cyclictest0-21swapper/122:15:161
11065998814,16cyclictest0-21swapper/121:00:131
11065998812,17cyclictest0-21swapper/123:25:131
11065998714,66cyclictest0-21swapper/120:45:141
11065998714,66cyclictest0-21swapper/120:45:141
11065998713,64cyclictest0-21swapper/121:20:121
11065998615,64cyclictest0-21swapper/123:15:131
1106099866,66cyclictest12028-21apt-get23:45:140
1106099866,66cyclictest12028-21apt-get23:45:140
11065998515,64cyclictest0-21swapper/119:15:131
11065998414,62cyclictest0-21swapper/121:45:121
11065998411,17cyclictest0-21swapper/121:05:171
1106599838,26cyclictest5550-21apt-get21:55:161
1106599838,22cyclictest29468-21apt-get20:00:131
1106099835,22cyclictest1493-21apt-get23:15:140
1106599824,22cyclictest28730-21apt-get00:35:151
1106599816,21cyclictest26989-21apt-get00:30:181
11065998124,18cyclictest17984-21head22:30:191
11065998124,18cyclictest12267-21sshd20:40:411
1106099816,60cyclictest32456-21apt-get21:40:130
1106599807,23cyclictest20681-21apt-get19:35:161
1106599807,23cyclictest20681-21apt-get19:35:151
1106599807,20cyclictest17299-21apt-get00:00:141
1106599807,20cyclictest14892-21apt-get20:50:161
1106599806,20cyclictest8471-21apt-get23:35:141
1106599806,20cyclictest18943-21apt-get19:30:151
11065998023,20cyclictest448-21dbus-daemon20:34:551
1106099805,60cyclictest21442-21apt-get00:15:090
1106599797,20cyclictest27705-21apt-get19:55:151
1106599797,20cyclictest23206-21apt-get00:20:121
1106599796,21cyclictest569-21apt-get20:10:161
1106599788,21cyclictest13766-21apt-get23:50:151
1106599788,16cyclictest0-21swapper/121:35:231
1106599786,21cyclictest31205-21apt-get20:05:131
1106599786,18cyclictest21921-21apt-get21:10:141
1106099789,60cyclictest0-21swapper/023:20:140
1106099788,39cyclictest0-21swapper/020:45:160
1106099788,39cyclictest0-21swapper/020:45:150
1106599777,20cyclictest28901-21apt-get21:30:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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