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2026-01-09 - 03:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #5

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 
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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 376 highest latencies:
System rack0slot5s.osadl.org (updated Fri Jan 09, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28417512378354,15sleep20-21swapper/28
28415932377354,15sleep70-21swapper/713
28418182376353,15sleep100-21swapper/102
28417812367344,14sleep110-21swapper/113
28415212347323,15sleep130-21swapper/135
28416452329306,15sleep50-21swapper/511
28417082320296,15sleep120-21swapper/124
28418302312290,14sleep10-21swapper/11
28415142311289,14sleep60-21swapper/612
28416922310270,14sleep150-21swapper/157
28416612310293,10sleep40-21swapper/410
28415662307285,14sleep00-21swapper/00
28415782305283,14sleep90-21swapper/915
28415692298275,14sleep30-21swapper/39
28417782296274,14sleep80-21swapper/814
28416912296274,14sleep140-21swapper/146
284215499566,25cyclictest0-21swapper/713
2842154995213,25cyclictest100655-21CPU13
2842154994813,10cyclictest0-21swapper/713
284215499478,25cyclictest0-21swapper/713
284215499457,25cyclictest0-21swapper/713
284218399440,43cyclictest0-21swapper/146
284215499446,25cyclictest0-21swapper/713
284215499446,25cyclictest0-21swapper/713
284215499446,25cyclictest0-21swapper/713
284215499446,25cyclictest0-21swapper/713
284215499446,25cyclictest0-21swapper/713
284215499435,25cyclictest0-21swapper/713
284215499435,25cyclictest0-21swapper/713
284215499435,25cyclictest0-21swapper/713
284215499435,25cyclictest0-21swapper/713
284215499424,25cyclictest0-21swapper/713
284215499424,25cyclictest0-21swapper/713
2842154994242,0cyclictest0-21swapper/713
2842174994139,1cyclictest2247-21snmpd4
2842174994139,1cyclictest2247-21snmpd4
2842158994139,2cyclictest0-21swapper/814
2842152994039,1cyclictest2247-21snmpd12
2842158993933,3cyclictest96-21ksoftirqd/814
2842158993931,5cyclictest2836280-21kworker/8:2+events14
2842158993916,17cyclictest0-21swapper/814
2842158993912,21cyclictest0-21swapper/814
2842154993937,1cyclictest2247-21snmpd13
2842187993837,1cyclictest0-21swapper/157
284215499380,25cyclictest0-21swapper/713
2842144993837,1cyclictest2247-21snmpd10
2842142993837,1cyclictest2247-21snmpd9
2842169993737,0cyclictest0-21swapper/113
2842169993736,1cyclictest0-21swapper/113
2842164993736,1cyclictest0-21swapper/102
2842154993723,0cyclictest0-21swapper/713
2842139993735,1cyclictest2247-21snmpd8
2842187993634,1cyclictest2247-21snmpd7
2842158993634,0cyclictest0-21swapper/814
2842158993532,3cyclictest0-21swapper/814
2842158993530,5cyclictest0-21swapper/814
284215899350,29cyclictest0-21swapper/814
284215899350,29cyclictest0-21swapper/814
2842134993535,0cyclictest0-21swapper/11
2842183993433,1cyclictest0-21swapper/146
284217999340,19cyclictest0-21swapper/135
284216299340,33cyclictest0-21swapper/915
284215899340,28cyclictest0-21swapper/814
284215899340,14cyclictest0-21swapper/814
2842134993434,0cyclictest0-21swapper/11
2842149993325,8cyclictest0-21swapper/511
2842164993231,1cyclictest0-21swapper/102
2842158993231,1cyclictest0-21swapper/814
2842158993229,0cyclictest0-21swapper/814
2842158993226,3cyclictest0-21swapper/814
2842158993215,14cyclictest0-21swapper/814
2842158993214,14cyclictest2836280-21kworker/8:2-events14
284215899320,26cyclictest0-21swapper/814
284213499327,18cyclictest0-21swapper/11
2842179993131,0cyclictest0-21swapper/135
2842162993125,3cyclictest0-21swapper/915
2842158993119,9cyclictest0-21swapper/814
284215899310,14cyclictest0-21swapper/814
284215899310,14cyclictest0-21swapper/814
284215899310,13cyclictest0-21swapper/814
284214999311,28cyclictest100654-21CPU11
284214999310,17cyclictest0-21swapper/511
2842139993130,1cyclictest2247-21snmpd8
2842187993029,1cyclictest0-21swapper/157
284218799300,0cyclictest0-21swapper/157
2842183993029,1cyclictest0-21swapper/146
2842179993029,1cyclictest2247-21snmpd5
2842179993029,1cyclictest0-21swapper/135
284216999300,1cyclictest0-21swapper/113
2842158993027,0cyclictest2836280-21kworker/8:2+events14
284215899300,29cyclictest96-21ksoftirqd/814
284215899300,29cyclictest0-21swapper/814
284215899300,29cyclictest0-21swapper/814
284215899300,29cyclictest0-21swapper/814
284215499305,25cyclictest0-21swapper/713
284215299300,29cyclictest0-21swapper/612
2842149993029,1cyclictest0-21swapper/511
2842149993029,1cyclictest0-21swapper/511
2842144993030,0cyclictest0-21swapper/410
284214499300,29cyclictest0-21swapper/410
284213499300,29cyclictest0-21swapper/11
2842179992928,1cyclictest0-21swapper/135
284217999290,28cyclictest0-21swapper/135
284217999290,28cyclictest0-21swapper/135
2842158992927,2cyclictest0-21swapper/814
2842158992926,3cyclictest0-21swapper/814
2842158992926,0cyclictest0-21swapper/814
2842158992926,0cyclictest0-21swapper/814
2842158992926,0cyclictest0-21swapper/814
284215899290,23cyclictest0-21swapper/814
2842152992928,1cyclictest2247-21snmpd12
2842152992926,3cyclictest2247-21snmpd12
2842152992924,4cyclictest2247-21snmpd12
2842149992929,0cyclictest0-21swapper/511
2842144992929,0cyclictest0-21swapper/410
2842142992929,0cyclictest0-21swapper/39
2842131992929,0cyclictest0-21swapper/00
284213199290,29cyclictest0-21swapper/00
284218799280,27cyclictest0-21swapper/157
2842183992826,1cyclictest2247-21snmpd6
284218399280,27cyclictest0-21swapper/146
284218399280,27cyclictest0-21swapper/146
284218399280,27cyclictest0-21swapper/146
284218399280,19cyclictest0-21swapper/146
2842179992825,3cyclictest2247-21snmpd5
284217999280,27cyclictest0-21swapper/135
284217999280,27cyclictest0-21swapper/135
284217999280,27cyclictest0-21swapper/135
284217499280,27cyclictest0-21swapper/124
284217499280,27cyclictest0-21swapper/124
284216999288,17cyclictest2247-21snmpd3
284216499280,0cyclictest0-21swapper/102
2842162992823,1cyclictest2247-21snmpd15
284216299280,27cyclictest0-21swapper/915
284216299280,27cyclictest0-21swapper/915
284216299280,27cyclictest0-21swapper/915
284216299280,1cyclictest0-21swapper/915
2842158992825,3cyclictest0-21swapper/814
284215899280,27cyclictest0-21swapper/814
284215499280,28cyclictest0-21swapper/713
284215499280,28cyclictest0-21swapper/713
284215499280,1cyclictest0-21swapper/713
284215299280,27cyclictest0-21swapper/612
284215299280,27cyclictest0-21swapper/612
2842149992826,1cyclictest2247-21snmpd11
284214999280,27cyclictest0-21swapper/511
284214999280,1cyclictest0-21swapper/511
284214999280,1cyclictest0-21swapper/511
284214299280,27cyclictest0-21swapper/39
284214299280,27cyclictest0-21swapper/39
2842134992827,1cyclictest2247-21snmpd1
2842134992826,1cyclictest2247-21snmpd1
284213499280,27cyclictest0-21swapper/11
284213499280,27cyclictest0-21swapper/11
284218799270,1cyclictest0-21swapper/157
284218799270,1cyclictest0-21swapper/157
284218399270,27cyclictest0-21swapper/146
284218399270,1cyclictest0-21swapper/146
284218399270,1cyclictest0-21swapper/146
2842179992726,1cyclictest2247-21snmpd5
2842179992726,1cyclictest2247-21snmpd5
2842174992727,0cyclictest0-21swapper/124
2842174992726,1cyclictest2247-21snmpd4
2842174992726,1cyclictest2247-21snmpd4
2842174992726,1cyclictest0-21swapper/124
284217499270,27cyclictest0-21swapper/124
284217499270,1cyclictest0-21swapper/124
2842164992727,0cyclictest0-21swapper/102
2842164992727,0cyclictest0-21swapper/102
2842164992727,0cyclictest0-21swapper/102
2842164992726,1cyclictest2247-21snmpd2
2842158992727,0cyclictest0-21swapper/814
2842158992726,1cyclictest2247-21snmpd14
284215899270,18cyclictest0-21swapper/814
284215499273,11cyclictest0-21swapper/713
2842154992726,1cyclictest2247-21snmpd13
2842154992726,1cyclictest2247-21snmpd13
2842152992726,1cyclictest2247-21snmpd12
2842152992723,3cyclictest2247-21snmpd12
2842149992726,1cyclictest2247-21snmpd11
2842149992726,1cyclictest0-21swapper/511
2842149992725,1cyclictest0-21swapper/511
284214999270,1cyclictest0-21swapper/511
284214999270,0cyclictest0-21swapper/511
284214999270,0cyclictest0-21swapper/511
2842144992727,0cyclictest0-21swapper/410
2842144992726,1cyclictest2247-21snmpd10
2842144992725,1cyclictest2247-21snmpd10
2842142992726,1cyclictest2247-21snmpd9
2842139992726,1cyclictest0-21swapper/28
284213999270,27cyclictest0-21swapper/28
284213499270,26cyclictest0-21swapper/11
284213499270,1cyclictest0-21swapper/11
284213499270,1cyclictest0-21swapper/11
2842131992727,0cyclictest0-21swapper/00
284213199270,27cyclictest0-21swapper/00
284213199270,1cyclictest0-21swapper/00
284213199270,18cyclictest0-21swapper/00
2842187992626,0cyclictest0-21swapper/157
2842187992625,1cyclictest2247-21snmpd7
2842183992626,0cyclictest0-21swapper/146
2842183992626,0cyclictest0-21swapper/146
2842183992625,1cyclictest2247-21snmpd6
2842183992624,1cyclictest2247-21snmpd6
284218399260,25cyclictest0-21swapper/146
2842179992623,2cyclictest0-21swapper/135
284217999260,19cyclictest3128312-21proc_pri5
284217999260,19cyclictest2877373-21sed5
2842174992626,0cyclictest0-21swapper/124
2842174992626,0cyclictest0-21swapper/124
2842174992625,1cyclictest2247-21snmpd4
2842169992626,0cyclictest0-21swapper/113
2842169992625,1cyclictest2247-21snmpd3
2842164992625,1cyclictest2247-21snmpd2
2842164992625,1cyclictest2247-21snmpd2
2842164992625,1cyclictest0-21swapper/102
2842164992623,3cyclictest0-21swapper/102
2842164992623,3cyclictest0-21swapper/102
2842154992625,1cyclictest2247-21snmpd13
284215499260,26cyclictest0-21swapper/713
2842149992626,0cyclictest2545274-21kworker/5:3+mm_percpu_wq11
2842149992626,0cyclictest0-21swapper/511
2842149992626,0cyclictest0-21swapper/511
2842149992625,1cyclictest2247-21snmpd11
2842149992625,1cyclictest0-21swapper/511
2842149992625,1cyclictest0-21swapper/511
284214999260,26cyclictest0-21swapper/511
2842144992626,0cyclictest0-21swapper/410
2842144992625,1cyclictest2247-21snmpd10
2842142992626,0cyclictest0-21swapper/39
2842142992625,1cyclictest2247-21snmpd9
2842139992626,0cyclictest0-21swapper/28
2842139992626,0cyclictest0-21swapper/28
2842139992621,0cyclictest0-21swapper/28
284213999260,26cyclictest0-21swapper/28
284213999260,25cyclictest0-21swapper/28
2842134992625,1cyclictest2247-21snmpd1
284213499260,25cyclictest0-21swapper/11
2842131992626,0cyclictest0-21swapper/00
2842131992625,1cyclictest2247-21snmpd0
2842131992625,1cyclictest0-21swapper/00
2842187992524,1cyclictest2247-21snmpd7
2842179992522,3cyclictest2247-21snmpd5
2842179992522,3cyclictest2247-21snmpd5
2842174992525,0cyclictest0-21swapper/124
2842169992517,6cyclictest0-21swapper/113
2842164992525,0cyclictest0-21swapper/102
2842164992524,1cyclictest2247-21snmpd2
2842164992524,1cyclictest0-21swapper/102
2842162992525,0cyclictest0-21swapper/915
2842162992525,0cyclictest0-21swapper/915
2842158992524,1cyclictest0-21swapper/814
2842158992520,2cyclictest0-21swapper/814
2842158992519,3cyclictest0-21swapper/814
2842158992510,14cyclictest2836280-21kworker/8:2+mm_percpu_wq14
2842154992524,1cyclictest2247-21snmpd13
2842154992515,10cyclictest0-21swapper/713
2842152992522,3cyclictest2247-21snmpd12
284215299252,20cyclictest100650-21CPU12
284215299251,22cyclictest100657-21CPU12
284215299250,24cyclictest0-21swapper/612
284215299250,24cyclictest0-21swapper/612
284215299250,24cyclictest0-21swapper/612
284215299250,24cyclictest0-21swapper/612
284215299250,20cyclictest3129010-21uptime12
2842149992525,0cyclictest0-21swapper/511
2842149992525,0cyclictest0-21swapper/511
2842149992525,0cyclictest0-21swapper/511
2842149992524,1cyclictest2247-21snmpd11
2842149992524,1cyclictest0-21swapper/511
2842144992525,0cyclictest0-21swapper/410
2842144992524,1cyclictest2247-21snmpd10
2842144992524,1cyclictest2247-21snmpd10
2842139992524,1cyclictest2247-21snmpd8
2842134992523,1cyclictest100655-21CPU1
2842187992423,1cyclictest2247-21snmpd7
2842187992423,1cyclictest2247-21snmpd7
2842183992423,1cyclictest2247-21snmpd6
2842183992423,1cyclictest2247-21snmpd6
2842179992423,1cyclictest2247-21snmpd5
2842179992423,1cyclictest0-21swapper/135
2842179992422,2cyclictest0-21swapper/135
284217999240,18cyclictest0-21swapper/135
2842174992423,1cyclictest0-21swapper/124
2842174992423,1cyclictest0-21swapper/124
2842169992423,1cyclictest2247-21snmpd3
2842169992423,1cyclictest0-21swapper/113
2842164992424,0cyclictest0-21swapper/102
2842164992424,0cyclictest0-21swapper/102
2842164992423,1cyclictest0-21swapper/102
2842164992423,1cyclictest0-21swapper/102
284216499240,23cyclictest0-21swapper/102
2842162992423,1cyclictest2247-21snmpd15
2842162992423,1cyclictest2247-21snmpd15
2842162992423,1cyclictest0-21swapper/915
2842158992423,1cyclictest2247-21snmpd14
2842158992418,3cyclictest96-21ksoftirqd/814
2842158992413,8cyclictest0-21swapper/814
284215899240,18cyclictest0-21swapper/814
284215299244,19cyclictest2247-21snmpd12
2842152992424,0cyclictest0-21swapper/612
284215299240,23cyclictest0-21swapper/612
284215299240,23cyclictest0-21swapper/612
284215299240,23cyclictest0-21swapper/612
284215299240,18cyclictest0-21swapper/612
284215299240,17cyclictest0-21swapper/612
284215299240,0cyclictest0-21swapper/612
284215299240,0cyclictest0-21swapper/612
2842149992424,0cyclictest0-21swapper/511
2842149992424,0cyclictest0-21swapper/511
2842149992423,1cyclictest2247-21snmpd11
2842149992423,1cyclictest2247-21snmpd11
2842149992417,6cyclictest0-21swapper/511
2842144992423,1cyclictest2247-21snmpd10
2842144992423,1cyclictest0-21swapper/410
284214299240,0cyclictest0-21swapper/39
2842139992424,0cyclictest0-21swapper/28
2842139992424,0cyclictest0-21swapper/28
2842139992424,0cyclictest0-21swapper/28
2842139992424,0cyclictest0-21swapper/28
2842139992423,1cyclictest0-21swapper/28
2842139992423,1cyclictest0-21swapper/28
2842139992423,1cyclictest0-21swapper/28
2842134992424,0cyclictest0-21swapper/11
2842134992423,1cyclictest0-21swapper/11
2842134992423,1cyclictest0-21swapper/11
2842134992423,1cyclictest0-21swapper/11
2842131992423,1cyclictest2247-21snmpd0
2842131992423,1cyclictest0-21swapper/00
2842187992323,0cyclictest0-21swapper/157
2842187992323,0cyclictest0-21swapper/157
284218399233,19cyclictest100653-21CPU6
284218399233,19cyclictest100653-21CPU6
2842183992323,0cyclictest0-21swapper/146
284218399230,23cyclictest0-21swapper/146
2842179992311,6cyclictest0-21swapper/135
2842174992323,0cyclictest0-21swapper/124
2842174992322,1cyclictest0-21swapper/124
284217499230,22cyclictest0-21swapper/124
2842169992323,0cyclictest0-21swapper/113
2842169992322,1cyclictest2247-21snmpd3
2842169992322,1cyclictest2247-21snmpd3
2842169992322,1cyclictest0-21swapper/113
2842169992322,1cyclictest0-21swapper/113
2842164992323,0cyclictest0-21swapper/102
2842164992323,0cyclictest0-21swapper/102
2842164992323,0cyclictest0-21swapper/102
2842164992323,0cyclictest0-21swapper/102
2842164992322,1cyclictest0-21swapper/102
2842162992322,1cyclictest0-21swapper/915
2842162992322,1cyclictest0-21swapper/915
2842158992322,1cyclictest2247-21snmpd14
2842158992322,1cyclictest0-21swapper/814
2842158992322,0cyclictest2247-21snmpd14
2842158992320,3cyclictest0-21swapper/814
2842158992317,3cyclictest0-21swapper/814
2842158992317,3cyclictest0-21swapper/814
2842158992313,7cyclictest0-21swapper/814
284215899230,20cyclictest0-21swapper/814
284215899230,17cyclictest0-21swapper/814
284215899230,0cyclictest0-21swapper/814
2842154992322,1cyclictest0-21swapper/713
2842152992317,5cyclictest0-21swapper/612
284215299230,2cyclictest100651-21CPU12
284215299230,23cyclictest0-21swapper/612
284215299230,23cyclictest0-21swapper/612
284215299230,23cyclictest0-21swapper/612
284215299230,23cyclictest0-21swapper/612
284215299230,23cyclictest0-21swapper/612
284215299230,22cyclictest0-21swapper/612
284215299230,22cyclictest0-21swapper/612
284215299230,22cyclictest0-21swapper/612
284215299230,22cyclictest0-21swapper/612
284215299230,18cyclictest0-21swapper/612
284215299230,17cyclictest0-21swapper/612
284215299230,0cyclictest0-21swapper/612
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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