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2026-06-28 - 04:13
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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 Sun Jun 28, 2026 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2651621160,6chrt25603-21/usr/sbin/munin22:45:351
2651621160,6chrt25603-21/usr/sbin/munin22:45:351
13254991026,65cyclictest0-21swapper/100:25:341
12709210017,38sleep00-21swapper/019:06:180
1325499976,81cyclictest0-21swapper/123:45:131
13247999613,76cyclictest0-21swapper/000:25:250
1268029517,32sleep10-21swapper/119:05:581
13247999015,62cyclictest0-21swapper/020:45:130
13247999014,59cyclictest0-21swapper/023:05:130
13247999014,59cyclictest0-21swapper/023:05:130
13247998814,59cyclictest0-21swapper/021:30:100
13254998725,33cyclictest0-21swapper/123:00:311
13247998728,53cyclictest457-21dbus-daemon22:05:000
13247998713,65cyclictest0-21swapper/019:40:140
13247998617,60cyclictest0-21swapper/023:30:230
13247998615,60cyclictest0-21swapper/022:35:130
13247998615,60cyclictest0-21swapper/020:15:130
13247998615,58cyclictest0-21swapper/019:10:140
13247998615,57cyclictest0-21swapper/022:55:130
1325499858,51cyclictest0-21swapper/119:17:001
1324799858,23cyclictest5447-21apt-get23:20:110
13247998516,59cyclictest0-21swapper/023:15:110
13247998515,59cyclictest0-21swapper/019:45:130
13247998515,59cyclictest0-21swapper/019:45:130
1325499846,69cyclictest0-21swapper/122:55:141
13254998441,30cyclictest26-21ksoftirqd/100:35:111
13254998410,67cyclictest0-21swapper/122:20:131
13247998414,56cyclictest0-21swapper/023:25:130
13247998414,56cyclictest0-21swapper/023:25:130
1324799834,23cyclictest30065-21latency_hist19:55:010
13247998315,59cyclictest0-21swapper/019:35:140
13247998315,58cyclictest0-21swapper/021:05:150
13247998315,54cyclictest0-21swapper/000:05:140
13247998313,59cyclictest0-21swapper/019:55:130
1325499827,67cyclictest0-21swapper/123:10:131
1325499826,68cyclictest0-21swapper/123:20:121
1325499826,68cyclictest0-21swapper/122:50:141
1325499826,68cyclictest0-21swapper/120:10:121
1325499826,68cyclictest0-21swapper/100:20:141
13247998227,49cyclictest243-21systemd-journal23:52:220
13247998215,57cyclictest0-21swapper/021:25:150
13247998215,54cyclictest0-21swapper/022:10:130
13247998214,58cyclictest0-21swapper/023:40:130
13247998213,58cyclictest0-21swapper/019:30:100
13247998213,56cyclictest0-21swapper/000:10:150
1325499817,66cyclictest0-21swapper/122:40:131
1325499816,68cyclictest0-21swapper/121:50:231
1325499816,67cyclictest0-21swapper/122:15:131
1325499816,67cyclictest0-21swapper/121:35:141
1325499816,67cyclictest0-21swapper/119:20:131
1325499815,61cyclictest24675-21apt-get19:40:141
13254998141,28cyclictest26-21ksoftirqd/119:25:231
13254998129,46cyclictest457-21dbus-daemon00:00:011
13254998110,64cyclictest0-21swapper/120:25:131
13247998117,58cyclictest18001-21apt23:55:110
13247998113,53cyclictest0-21swapper/022:25:160
1325499807,65cyclictest0-21swapper/121:55:131
1325499807,65cyclictest0-21swapper/120:20:141
1325499806,68cyclictest0-21swapper/100:00:141
1325499806,67cyclictest0-21swapper/120:50:111
1325499806,67cyclictest0-21swapper/120:45:141
1325499806,66cyclictest0-21swapper/122:05:141
1325499806,65cyclictest0-21swapper/119:45:121
1325499806,65cyclictest0-21swapper/119:45:121
13254998023,51cyclictest31213-21cron21:30:001
13254998010,63cyclictest0-21swapper/100:15:131
1324799806,25cyclictest26151-21apt-get21:15:140
1324799806,23cyclictest27913-21apt-get21:20:130
13247998013,55cyclictest0-21swapper/022:05:160
1325499799,62cyclictest0-21swapper/121:45:121
1325499797,65cyclictest0-21swapper/120:40:151
1325499796,66cyclictest0-21swapper/122:25:151
1325499796,66cyclictest0-21swapper/121:00:131
1325499796,65cyclictest0-21swapper/121:20:141
1325499796,65cyclictest0-21swapper/121:10:141
1325499796,65cyclictest0-21swapper/121:10:141
1325499796,62cyclictest7189-21apt-get23:25:131
1325499796,62cyclictest7189-21apt-get23:25:131
1325499795,65cyclictest32582-21apt-get23:05:131
1325499795,65cyclictest32582-21apt-get23:05:131
13254997923,50cyclictest457-21dbus-daemon00:30:111
1324799795,67cyclictest0-21swapper/021:35:200
13247997920,53cyclictest0-21swapper/000:00:380
13247997914,51cyclictest0-21swapper/020:40:140
1325499787,63cyclictest0-21swapper/120:55:131
1325499786,66cyclictest0-21swapper/119:50:211
1325499786,65cyclictest0-21swapper/122:30:111
1325499786,65cyclictest0-21swapper/121:05:141
1325499786,64cyclictest0-21swapper/120:05:151
1325499786,56cyclictest4798-21apt-get20:15:131
1325499785,57cyclictest22056-21apt-get22:35:131
13254997810,61cyclictest0-21swapper/122:00:131
13254997810,61cyclictest0-21swapper/121:15:141
1324799786,20cyclictest25074-21apt-get00:15:150
13247997820,53cyclictest457-21dbus-daemon22:45:000
13247997820,53cyclictest243-21systemd-journal22:32:040
13247997814,53cyclictest0-21swapper/022:20:150
1325499777,62cyclictest0-21swapper/123:50:131
1325499776,65cyclictest0-21swapper/120:30:231
1325499776,63cyclictest0-21swapper/123:15:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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