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2026-05-22 - 05:33
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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 rack3slot6.osadl.org (updated Fri May 22, 2026 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2785021030,18chrt26-21ksoftirqd/122:10:011
2789229816,38sleep00-21swapper/019:08:540
116412920,6chrt11639-21grep19:50:330
28181998045,22cyclictest27959-21apt-get22:10:150
28181997823,13cyclictest11377-21apt-get00:25:140
2674227728,26sleep10-21swapper/120:35:221
2818199767,58cyclictest32285-21apt-get19:20:130
28187997341,23cyclictest562-21runrttasks22:10:151
28181997337,25cyclictest19197-21apt-get21:45:120
28181997335,26cyclictest0-21swapper/019:55:140
28181997335,24cyclictest0-21swapper/022:55:140
28181997240,16cyclictest26168-21apt-get22:05:130
28181997233,26cyclictest0-21swapper/023:20:130
28187997138,17cyclictest2829-21apt-get22:30:131
28181997141,16cyclictest7196-21apt-get19:40:110
28181997141,14cyclictest5833-21apt-get00:10:130
28181997138,23cyclictest27713-21apt-get23:40:140
28181997138,23cyclictest27713-21apt-get23:40:140
28181997136,28cyclictest0-21swapper/023:35:120
28181997136,25cyclictest21203-21apt-get20:20:100
28181997134,29cyclictest0-21swapper/000:00:130
28181997134,23cyclictest0-21swapper/022:50:130
28181997133,24cyclictest0-21swapper/019:10:120
28187997035,23cyclictest12414-21apt-get19:55:141
28187997034,25cyclictest22674-21apt-get21:55:131
28181997041,15cyclictest453-21in:imuxsock20:40:110
28181997034,26cyclictest0-21swapper/022:45:130
28181997034,22cyclictest0-21swapper/021:55:130
2719127036,20sleep10-21swapper/119:05:341
28187996932,23cyclictest0-21swapper/123:40:141
28187996932,23cyclictest0-21swapper/123:40:141
28181996940,16cyclictest17456-21apt-get21:40:220
28181996939,24cyclictest0-21swapper/022:30:130
28181996935,26cyclictest0-21swapper/023:05:130
28181996934,29cyclictest0-21swapper/000:35:230
28181996933,23cyclictest0-21swapper/000:05:110
28181996932,24cyclictest0-21swapper/020:05:110
28181996932,23cyclictest0-21swapper/021:35:120
28181996931,24cyclictest0-21swapper/019:45:130
28187996838,15cyclictest24680-21apt-get20:30:121
28187996835,25cyclictest0-21swapper/119:40:111
28187996831,27cyclictest11899-21apt-get22:55:141
28187996831,23cyclictest8417-21apt-get22:45:131
28181996844,12cyclictest1327-21apt-get20:55:110
28181996838,16cyclictest5386-21apt-get19:35:120
28181996837,23cyclictest0-21swapper/020:30:120
28181996833,27cyclictest0-21swapper/023:30:130
28181996833,25cyclictest0-21swapper/022:15:120
28181996831,25cyclictest0-21swapper/023:15:140
28187996733,21cyclictest22426-21apt-get23:25:161
28187996729,24cyclictest29703-21apt-get22:15:121
28181996739,14cyclictest4832-21apt-get21:05:130
28181996734,26cyclictest0-21swapper/022:35:140
28181996734,26cyclictest0-21swapper/022:35:140
28181996733,26cyclictest0-21swapper/021:10:120
28181996733,25cyclictest0-21swapper/023:25:160
28187996636,15cyclictest14174-21apt-get20:00:121
28187996635,16cyclictest31198-21apt-get23:50:151
28187996634,23cyclictest4042-21apt-get00:05:111
28187996631,24cyclictest4568-21apt-get22:35:141
28187996631,24cyclictest4568-21apt-get22:35:141
28187996630,22cyclictest0-21swapper/120:20:101
28187996629,27cyclictest28265-21apt-get19:10:121
28187996629,27cyclictest20687-21apt-get23:20:131
28187996629,26cyclictest17456-21apt-get21:40:241
28181996643,11cyclictest26719-21apt-get20:35:220
28181996640,15cyclictest3645-21apt-get19:30:230
28181996634,26cyclictest0-21swapper/020:10:120
28181996631,25cyclictest0-21swapper/023:50:130
28181996631,23cyclictest0-21swapper/021:20:130
28181996610,49cyclictest0-21swapper/021:00:120
28187996533,22cyclictest19441-21apt-get20:15:121
28187996532,18cyclictest6679-21apt-get22:40:231
28187996531,24cyclictest10158-21apt-get22:50:131
28187996529,26cyclictest15346-21apt-get21:35:131
28187996528,27cyclictest8935-21apt-get19:45:131
28181996540,13cyclictest30520-21apt-get19:15:130
28181996536,23cyclictest0-21swapper/021:50:130
28181996536,23cyclictest0-21swapper/020:00:120
28181996535,24cyclictest0-21swapper/000:20:130
28181996533,26cyclictest0-21swapper/000:30:130
28181996528,24cyclictest1080-21apt-get22:25:250
28187996437,14cyclictest2306-21apt-get00:00:131
28187996435,16cyclictest25902-21apt-get23:35:121
28187996434,22cyclictest492-21apt-get23:55:141
28187996431,22cyclictest0-21swapper/121:45:121
28187996426,27cyclictest6627-21apt-get21:10:121
28181996434,16cyclictest0-21swapper/020:15:120
28181996433,24cyclictest0-21swapper/021:25:130
28181996423,22cyclictest9068-21ntpq21:15:300
28181996422,36cyclictest9438-21cron00:20:000
28187996337,19cyclictest28539-21apt-get20:40:111
28187996334,16cyclictest18922-21apt-get23:15:131
28187996321,36cyclictest26-21ksoftirqd/100:10:141
28181996338,12cyclictest30278-21apt-get20:45:120
28181996335,22cyclictest0-21swapper/019:25:130
28181996334,24cyclictest0-21swapper/022:40:230
28181996333,24cyclictest0-21swapper/023:00:130
28181996332,24cyclictest0-21swapper/022:20:120
28181996332,23cyclictest0-21swapper/021:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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