You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-22 - 16:16

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #8, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 rack8slot4s.osadl.org (updated Sun Mar 22, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7588432232166,51sleep40-21swapper/407:08:184
7588492231173,19sleep10-21swapper/107:08:231
7589162222167,43sleep00-21swapper/007:09:180
7588232219186,21sleep20-21swapper/207:08:002
7588542218186,20sleep60-21swapper/607:08:286
7587432216171,33sleep50-21swapper/507:06:505
7588422215187,18sleep30-21swapper/307:08:183
7587992214181,21sleep70-21swapper/707:07:407
75920199310,18cyclictest883-21mta-sts-daemon07:14:537
75920199260,25cyclictest0-21swapper/710:55:007
759183992624,1cyclictest847100-21apt-get09:40:112
75919899250,22cyclictest881659-21apt-get10:40:136
75919899250,20cyclictest837826-21munin-run09:25:006
75919899250,20cyclictest837826-21munin-run09:25:006
759194992523,1cyclictest761927-21apt07:15:005
75918099250,24cyclictest884513-21apt-get10:45:151
759178992521,3cyclictest805794-21cron08:30:000
759198992421,3cyclictest0-21swapper/612:35:136
759198992421,2cyclictest0-21swapper/607:55:006
759198992420,4cyclictest0-21swapper/612:25:006
759198992418,5cyclictest0-21swapper/610:55:016
75919899240,23cyclictest0-21swapper/608:40:006
75919899240,1cyclictest901994-21turbostat.cron11:15:006
75918599240,24cyclictest0-21swapper/311:05:123
75918099240,23cyclictest0-21swapper/109:05:151
759178992423,1cyclictest0-21swapper/012:20:110
75917899240,23cyclictest800533-21chrt08:20:120
759201992321,1cyclictest945822-21apt-get12:30:117
75920199230,22cyclictest858526-21apt-get10:00:107
75920199230,22cyclictest783372-21apt-get07:50:137
75920199230,22cyclictest0-21swapper/707:25:147
75920199230,0cyclictest0-21swapper/710:20:007
759198992321,1cyclictest0-21swapper/612:05:006
759198992320,2cyclictest838241-21apt-get09:25:116
75919899230,22cyclictest0-21swapper/608:25:126
75919899230,22cyclictest0-21swapper/608:15:126
75919899230,1cyclictest0-21swapper/609:40:006
759194992323,0cyclictest0-21swapper/512:25:005
75919499230,22cyclictest820570-21apt-get08:55:125
759189992321,1cyclictest846538-21fwupd09:38:484
75918999230,23cyclictest899173-21awk11:10:014
75918999230,22cyclictest0-21swapper/410:55:114
75918999230,22cyclictest0-21swapper/409:20:114
75918999230,22cyclictest0-21swapper/409:20:114
759185992322,1cyclictest0-21swapper/307:15:003
75918599230,23cyclictest0-21swapper/311:00:013
75918399230,23cyclictest829269-21awk09:10:002
75918399230,22cyclictest849952-21apt-get09:45:112
75918399230,22cyclictest0-21swapper/210:55:122
759180992321,1cyclictest931273-21apt-get12:05:111
75918099230,22cyclictest0-21swapper/107:45:001
75918099230,1cyclictest930599-21perf12:05:001
759178992322,0cyclictest0-21swapper/011:05:020
759178992321,1cyclictest0-21swapper/008:45:140
759178992321,1cyclictest0-21swapper/008:15:000
759178992320,2cyclictest861640-21apt-get10:05:110
75917899230,23cyclictest0-21swapper/011:00:010
75917899230,22cyclictest922436-21apt-get11:50:120
75917899230,1cyclictest791948-21apt-get08:05:130
759201992221,1cyclictest878785-21apt-get10:35:127
759201992221,1cyclictest802971-21sleep08:25:007
759201992220,1cyclictest829665-21apt09:10:117
75920199220,22cyclictest899571-21apt-get11:10:137
75920199220,22cyclictest0-21swapper/712:05:017
75920199220,21cyclictest0-21swapper/709:15:117
75920199220,21cyclictest0-21swapper/709:15:117
75920199220,21cyclictest0-21swapper/708:35:147
75920199220,1cyclictest826128-21apt-get09:05:017
759198992220,2cyclictest847100-21apt-get09:40:116
759198992220,1cyclictest873078-21apt-get10:25:116
759198992217,4cyclictest817289-21idleruntime-cro08:50:006
75919899220,22cyclictest0-21swapper/609:15:006
75919899220,21cyclictest0-21swapper/610:30:116
75919899220,21cyclictest0-21swapper/608:40:446
75919899220,1cyclictest931273-21apt-get12:05:116
759194992222,0cyclictest0-21swapper/510:00:105
759194992220,1cyclictest0-21swapper/510:45:005
75919499220,22cyclictest843794-21munin-run09:35:015
75919499220,22cyclictest0-21swapper/512:15:005
75919499220,21cyclictest916733-21apt-get11:40:115
75919499220,21cyclictest765506-21turbostat.cron07:20:005
75919499220,21cyclictest0-21swapper/511:15:125
75919499220,0cyclictest0-21swapper/511:50:125
759189992221,1cyclictest830860-21ntpq09:10:164
75918999220,21cyclictest0-21swapper/410:25:114
75918999220,21cyclictest0-21swapper/409:00:114
75918999220,21cyclictest0-21swapper/407:45:144
759185992220,1cyclictest491rcuc/308:30:003
75918599220,22cyclictest0-21swapper/309:25:093
75918599220,22cyclictest0-21swapper/308:10:113
75918599220,21cyclictest924860-21turbostat.cron11:55:003
75918599220,21cyclictest0-21swapper/308:00:123
75918599220,1cyclictest0-21swapper/311:05:013
759183992220,1cyclictest0-21swapper/207:15:132
75918399220,21cyclictest0-21swapper/210:10:122
75918399220,21cyclictest0-21swapper/207:35:102
759180992220,1cyclictest0-21swapper/111:20:001
75918099220,21cyclictest834956-21munin-run09:20:001
75918099220,21cyclictest834956-21munin-run09:20:001
75918099220,21cyclictest0-21swapper/110:10:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional