You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-25 - 10:59
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 Tue Nov 25, 2025 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3255993128,2cyclictest6063-21cron23:50:002
3255993128,2cyclictest303-21systemd-journal22:00:002
325099300,29cyclictest25135-21cron00:30:011
325099300,29cyclictest25047-21cron21:05:011
3256992928,1cyclictest10782-21apt-get19:25:133
3256992927,1cyclictest1858-21users22:30:203
325699290,28cyclictest23003-21apt-get21:00:103
325699290,28cyclictest20508-21perf00:20:013
3255992926,2cyclictest6100-21cron20:25:012
325599290,1cyclictest29140-21sh20:05:012
3250992927,1cyclictest609-21dbus-daemon20:30:001
325099290,1cyclictest0-21swapper/120:55:001
3249992927,1cyclictest0-21swapper/020:40:130
324999290,28cyclictest0-21swapper/022:45:130
324999290,28cyclictest0-21swapper/021:55:130
324999290,1cyclictest623-21polkitd21:20:000
324999290,1cyclictest27927-21apt-get22:20:110
324999290,1cyclictest0-21swapper/000:30:140
3256992828,0cyclictest0-21swapper/300:10:123
3256992826,1cyclictest609-21dbus-daemon20:05:003
325699280,27cyclictest4062-21apt-get20:20:143
325699280,0cyclictest20661-21apt-get20:55:123
3255992827,1cyclictest29418-21apt-get20:05:132
3255992827,0cyclictest0-21swapper/223:20:122
325599280,1cyclictest6109-21apt-get19:15:122
325599280,0cyclictest16108-21apt-get00:10:132
325599280,0cyclictest16012-21apt-get20:45:122
3250992828,0cyclictest0-21swapper/123:05:121
3250992828,0cyclictest0-21swapper/119:35:141
3250992826,1cyclictest0-21swapper/119:15:011
325099280,0cyclictest0-21swapper/123:25:021
3249992827,1cyclictest609-21dbus-daemon00:40:000
3249992827,1cyclictest14254-21munin-run23:00:010
324999280,28cyclictest0-21swapper/019:45:120
324999280,0cyclictest0-21swapper/023:00:140
324999280,0cyclictest0-21swapper/022:15:120
324999280,0cyclictest0-21swapper/020:25:110
324999280,0cyclictest0-21swapper/019:30:140
3256992727,0cyclictest0-21swapper/321:20:133
3256992727,0cyclictest0-21swapper/319:50:133
3256992727,0cyclictest0-21swapper/319:15:123
3256992726,1cyclictest10737-21apt-get00:00:013
3256992726,0cyclictest0-21swapper/322:35:133
325699270,27cyclictest0-21swapper/322:50:123
325699270,27cyclictest0-21swapper/319:55:113
325699270,27cyclictest0-21swapper/300:30:153
325699270,0cyclictest4619-21apt-get21:30:133
325699270,0cyclictest0-21swapper/322:05:113
3255992727,0cyclictest0-21swapper/221:25:132
3255992727,0cyclictest0-21swapper/221:10:132
3255992727,0cyclictest0-21swapper/220:10:132
325599270,0cyclictest0-21swapper/222:00:112
3250992727,0cyclictest11036-21apt-get20:35:111
3250992727,0cyclictest0-21swapper/123:40:121
3250992727,0cyclictest0-21swapper/122:40:111
325099270,0cyclictest0-21swapper/121:40:131
3249992727,0cyclictest0-21swapper/021:00:100
3249992727,0cyclictest0-21swapper/019:10:020
3256992626,0cyclictest13786-21apt-get00:05:133
3256992626,0cyclictest0-21swapper/320:10:123
3256992626,0cyclictest0-21swapper/320:05:123
3255992626,0cyclictest32342-21cron22:30:012
3255992626,0cyclictest0-21swapper/221:20:132
3255992626,0cyclictest0-21swapper/200:00:012
3250992626,0cyclictest0-21swapper/123:00:141
3249992626,0cyclictest2284-21apt-get21:25:110
3249992626,0cyclictest0-21swapper/020:35:120
3249992626,0cyclictest0-21swapper/000:00:020
3249992624,1cyclictest32372-21munin-run22:30:000
3249992624,1cyclictest12814-21cron19:30:000
3256992525,0cyclictest23259-21apt-get22:10:123
3256992525,0cyclictest0-21swapper/320:45:123
3256992524,1cyclictest18611-21apt-get22:00:103
3256992523,1cyclictest6075-21cron23:50:013
3256992523,1cyclictest34-21ksoftirqd/322:30:013
3255992525,0cyclictest18335-21apt-get20:50:112
3255992524,1cyclictest26778-21cron20:00:002
3250992525,0cyclictest0-21swapper/100:15:141
3249992525,0cyclictest0-21swapper/023:25:120
3249992525,0cyclictest0-21swapper/023:15:140
3249992525,0cyclictest0-21swapper/023:05:120
3249992523,1cyclictest609-21dbus-daemon21:50:010
324999250,3cyclictest0-21swapper/020:20:150
3256992424,0cyclictest12175-21apt-get22:55:133
3256992423,1cyclictest27655-21apt-get21:10:133
3256992423,0cyclictest331rcuc/320:40:003
3255992424,0cyclictest0-21swapper/219:25:132
3255992424,0cyclictest0-21swapper/200:25:022
3255992423,0cyclictest0-21swapper/222:55:122
3255992422,1cyclictest151rcu_preempt22:50:002
3249992424,0cyclictest31152-21apt-get23:35:020
3255992323,0cyclictest0-21swapper/220:55:132
3250992323,0cyclictest0-21swapper/122:45:011
3250992323,0cyclictest0-21swapper/122:25:131
3250992323,0cyclictest0-21swapper/121:35:131
3250992323,0cyclictest0-21swapper/120:15:151
3250992322,1cyclictest29976-21apt-get21:15:121
3250992321,1cyclictest0-21swapper/123:40:011
3249992323,0cyclictest0-21swapper/022:50:120
3249992323,0cyclictest0-21swapper/021:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional