You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-05 - 02:24

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 Sat Jul 04, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38609232253177,22sleep30-21swapper/307:06:183
38610732251178,21sleep50-21swapper/507:08:305
38610562226166,49sleep60-21swapper/607:08:156
38611782225177,20sleep40-21swapper/407:09:584
38610692220163,46sleep10-21swapper/107:08:261
38611262217169,20sleep20-21swapper/207:09:152
38610302214180,22sleep70-21swapper/707:07:517
38610122214180,23sleep00-21swapper/007:07:360
3861404992621,4cyclictest0-21swapper/707:40:007
386140499260,25cyclictest0-21swapper/707:50:177
386140199269,4cyclictest0-21swapper/508:41:445
3861396992623,2cyclictest3932878-21sh09:10:033
386139699260,25cyclictest4042093-21awk12:15:003
386140499250,21cyclictest4030683-21apt-get11:55:147
3861402992520,4cyclictest4006598-21idleruntime-cro11:15:006
386139899250,1cyclictest0-21swapper/407:45:134
386140499240,21cyclictest0-21swapper/708:05:127
386140299240,23cyclictest0-21swapper/611:55:156
386140299240,1cyclictest3900390-21sh08:15:016
3861398992423,1cyclictest611rcuc/410:50:114
3861398992423,1cyclictest0-21swapper/410:20:114
3861398992422,1cyclictest0-21swapper/410:35:004
3861396992424,0cyclictest0-21swapper/308:35:123
386139699240,23cyclictest0-21swapper/311:35:183
386138799240,24cyclictest3861719-21apt-get07:10:140
3861404992321,1cyclictest3873831-21apt-get07:30:047
3861404992320,2cyclictest0-21swapper/710:55:137
386140499230,22cyclictest4012970-21apt-get11:25:127
386140499230,22cyclictest4004089-21apt-get11:10:127
386140499230,22cyclictest3922832-21ntpq08:50:187
386140499230,22cyclictest0-21swapper/709:10:007
386140499230,22cyclictest0-21swapper/708:35:127
386140299230,22cyclictest3962394-21latency_hist10:00:006
386140299230,22cyclictest3918442-21latency_hist08:45:006
386140299230,22cyclictest3874300-21apt-get07:30:126
3861398992323,0cyclictest0-21swapper/408:55:124
386139899230,22cyclictest3991881-21turbostat10:50:004
386139899230,22cyclictest0-21swapper/410:40:014
386139899230,22cyclictest0-21swapper/410:40:004
386139899230,1cyclictest0-21swapper/411:50:124
3861396992323,0cyclictest0-21swapper/311:15:033
386139699230,22cyclictest4015912-21apt-get11:30:133
386139699230,22cyclictest0-21swapper/312:35:123
386139699230,22cyclictest0-21swapper/311:55:133
386139699230,22cyclictest0-21swapper/310:25:213
386139699230,22cyclictest0-21swapper/308:30:133
386139699230,1cyclictest3942193-21apt-get09:25:123
386139199230,22cyclictest3894950-21apt-get08:05:122
386139199230,22cyclictest0-21swapper/208:20:132
3861390992321,2cyclictest4006671-21appstreamcli11:15:031
386139099230,23cyclictest3997804-21sendmail11:00:001
386139099230,22cyclictest3941762-21idleruntime-cro09:25:001
386139099230,22cyclictest3930379-21apt-get09:05:131
386139099230,22cyclictest0-21swapper/112:35:121
386139099230,22cyclictest0-21swapper/109:55:121
386139099230,1cyclictest0-21swapper/108:50:131
3861387992323,0cyclictest0-21swapper/011:10:120
386138799230,22cyclictest3883167-21apt-get07:45:120
386138799230,22cyclictest0-21swapper/010:05:120
386138799230,1cyclictest4040938-21ntp_states12:10:190
386138799230,0cyclictest0-21swapper/011:45:030
3861404992222,0cyclictest0-21swapper/709:30:197
3861404992221,1cyclictest885-21in:imuxsock10:20:007
3861404992221,1cyclictest0-21swapper/712:39:597
3861404992221,1cyclictest0-21swapper/707:25:127
3861404992220,2cyclictest0-21swapper/710:40:147
3861404992220,2cyclictest0-21swapper/710:40:147
3861404992219,3cyclictest0-21swapper/708:20:147
3861404992219,2cyclictest0-21swapper/709:40:187
386140499220,22cyclictest0-21swapper/709:05:007
386140499220,21cyclictest0-21swapper/712:10:127
386140499220,21cyclictest0-21swapper/711:20:147
386140499220,21cyclictest0-21swapper/711:05:137
386140499220,21cyclictest0-21swapper/710:35:137
386140499220,21cyclictest0-21swapper/710:35:137
386140499220,21cyclictest0-21swapper/709:35:127
386140499220,1cyclictest3965784-21apt-get10:05:127
386140499220,1cyclictest3915584-21apt-get08:40:127
386140499220,1cyclictest0-21swapper/711:40:137
386140499220,1cyclictest0-21swapper/708:15:207
386140499220,1cyclictest0-21swapper/707:45:197
386140499220,1cyclictest0-21swapper/707:15:007
3861402992221,1cyclictest3995246-21apt-get10:55:136
386140299220,22cyclictest0-21swapper/608:45:136
386140299220,21cyclictest3924442-21apt-get08:55:116
386140299220,21cyclictest0-21swapper/612:35:126
386140299220,21cyclictest0-21swapper/612:25:136
386140299220,21cyclictest0-21swapper/611:45:016
386140299220,21cyclictest0-21swapper/611:05:136
386140299220,21cyclictest0-21swapper/609:35:116
386140299220,21cyclictest0-21swapper/609:00:136
386140299220,1cyclictest3886105-21apt-get07:50:116
386140299220,0cyclictest0-21swapper/607:35:136
3861401992221,1cyclictest3905158-21ntpq08:20:215
3861401992221,1cyclictest3892007-21apt-get08:00:125
3861401992221,1cyclictest0-21swapper/512:25:005
386140199220,21cyclictest3938816-21perf09:20:005
386140199220,21cyclictest0-21swapper/512:00:035
386140199220,21cyclictest0-21swapper/509:30:125
386140199220,1cyclictest4056807-21munin-run12:39:595
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional