You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-28 - 21:52
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rackeslot5.osadl.org (updated Fri Nov 28, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2229999300,29cyclictest4758-21cron08:50:012
22300992927,1cyclictest609-21dbus-daemon12:10:003
2229999290,28cyclictest0-21swapper/208:15:122
2229999290,28cyclictest0-21swapper/207:15:112
2229499290,1cyclictest4763-21cron08:50:011
2229499290,1cyclictest15520-21munin-run12:40:011
22289992927,1cyclictest6208-21munin-run12:20:010
2228999290,28cyclictest32514-21apt-get08:40:110
2228999290,28cyclictest13814-21apt-get08:00:120
2228999290,28cyclictest0-21swapper/010:50:130
2228999290,28cyclictest0-21swapper/009:25:000
22300992826,1cyclictest0-21swapper/308:55:013
2230099280,27cyclictest0-21swapper/307:15:123
22299992828,0cyclictest17833-21apt-get11:35:132
22299992827,1cyclictest18460-21apt-get08:10:102
2229999280,27cyclictest0-21swapper/207:50:132
2229999280,1cyclictest0-21swapper/212:40:012
2229499280,28cyclictest0-21swapper/111:20:111
2229499280,0cyclictest24831-21apt-get07:15:111
2229499280,0cyclictest0-21swapper/107:50:131
22289992827,1cyclictest1537-21apt-get11:00:140
2228999280,1cyclictest22933-21munin-run08:20:010
2228999280,0cyclictest6189-21apt-get11:10:120
22300992727,0cyclictest0-21swapper/311:30:123
22300992727,0cyclictest0-21swapper/310:40:113
22300992727,0cyclictest0-21swapper/309:50:133
22300992727,0cyclictest0-21swapper/309:15:143
22300992725,1cyclictest3570-21cron11:05:013
22299992727,0cyclictest0-21swapper/209:15:132
22294992727,0cyclictest0-21swapper/111:10:121
22294992727,0cyclictest0-21swapper/108:10:101
22289992727,0cyclictest21424-21apt-get09:25:110
22289992727,0cyclictest21424-21apt-get09:25:110
22289992727,0cyclictest0-21swapper/010:20:100
22289992727,0cyclictest0-21swapper/009:55:000
22289992727,0cyclictest0-21swapper/007:40:140
2228999270,0cyclictest0-21swapper/012:05:140
2228999270,0cyclictest0-21swapper/010:30:130
2228999270,0cyclictest0-21swapper/009:00:120
22300992626,0cyclictest0-21swapper/310:00:123
22300992626,0cyclictest0-21swapper/309:10:103
22300992625,1cyclictest8259-21munin-run11:15:013
22299992626,0cyclictest0-21swapper/211:10:122
22299992625,0cyclictest0-21swapper/211:30:122
22294992626,0cyclictest24334-21apt-get10:40:111
22294992626,0cyclictest0-21swapper/109:50:131
22294992624,2cyclictest1493-21cron12:10:001
22294992624,1cyclictest303-21systemd-journal08:55:011
22289992626,0cyclictest0-21swapper/011:35:130
22289992624,1cyclictest3832-21cron12:15:010
22300992525,0cyclictest0-21swapper/311:15:123
22300992525,0cyclictest0-21swapper/309:05:133
22300992525,0cyclictest0-21swapper/308:55:113
22299992525,0cyclictest0-21swapper/210:40:112
22299992525,0cyclictest0-21swapper/209:50:132
22299992524,1cyclictest3568-21cron11:05:012
22299992523,1cyclictest7400-21munin-run10:05:002
22299992523,1cyclictest7089-21cron08:55:012
22294992525,0cyclictest0-21swapper/111:30:121
22294992525,0cyclictest0-21swapper/109:15:141
22294992524,1cyclictest7398-21perf10:05:001
22294992523,1cyclictest3579-21awk11:05:011
22289992525,0cyclictest0-21swapper/011:45:150
22289992525,0cyclictest0-21swapper/011:15:110
22289992525,0cyclictest0-21swapper/009:15:130
22289992525,0cyclictest0-21swapper/007:55:100
22289992523,1cyclictest303-21systemd-journal10:45:000
22300992424,0cyclictest0-21swapper/309:45:133
22300992424,0cyclictest0-21swapper/308:35:093
22300992424,0cyclictest0-21swapper/307:40:143
22300992422,1cyclictest15464-21cron12:40:013
22299992423,1cyclictest1496-21cron12:10:002
22294992424,0cyclictest0-21swapper/109:10:101
22294992423,1cyclictest30165-21apt-get08:35:091
22294992423,1cyclictest12047-21apt-get09:05:131
22289992424,0cyclictest21979-21apt-get10:35:100
22300992323,0cyclictest0-21swapper/312:20:133
22300992323,0cyclictest0-21swapper/312:15:123
22300992323,0cyclictest0-21swapper/310:25:133
22300992323,0cyclictest0-21swapper/310:15:113
22299992323,0cyclictest0-21swapper/211:15:122
22299992323,0cyclictest0-21swapper/209:10:102
22299992322,0cyclictest4499-21apt-get07:40:142
22294992323,0cyclictest8512-21apt-get11:15:121
22294992323,0cyclictest0-21swapper/108:55:111
22289992322,1cyclictest30494-21munin-run09:45:010
22289992321,1cyclictest29803-21apt-get07:25:120
22300992222,0cyclictest0-21swapper/311:20:113
22300992222,0cyclictest0-21swapper/308:30:113
22300992222,0cyclictest0-21swapper/307:35:133
22299992222,0cyclictest0-21swapper/209:05:132
22299992222,0cyclictest0-21swapper/208:55:112
22299992222,0cyclictest0-21swapper/208:35:092
22299992220,1cyclictest0-21swapper/208:30:112
22294992222,0cyclictest0-21swapper/109:45:131
22294992222,0cyclictest0-21swapper/107:40:141
22289992222,0cyclictest6822-21apt-get07:45:130
22289992222,0cyclictest0-21swapper/007:20:130
22300992121,0cyclictest0-21swapper/307:55:113
22300992120,0cyclictest9147-21apt-get07:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional