You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-16 - 16:58

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 #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 
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 50 highest latencies:
System rack0slot5s.osadl.org (updated Thu Jul 16, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12037452356331,16sleep140-21swapper/146
12038662355310,35sleep50-21swapper/511
12038592351306,16sleep150-21swapper/157
12037722350342,5sleep30-21swapper/39
12029602346306,15sleep20-21swapper/28
12039422342316,17sleep110-21swapper/113
12039612341315,17sleep130-21swapper/135
12038542341315,17sleep100-21swapper/102
12038122341315,17sleep40-21swapper/410
12039732339314,16sleep80-21swapper/814
12040202336313,15sleep00-21swapper/00
12037772334309,16sleep70-21swapper/713
12037422333308,16sleep120-21swapper/124
12038432331306,16sleep10-21swapper/11
12038342326301,16sleep90-21swapper/915
12038142315290,16sleep60-21swapper/612
1204448994140,1cyclictest1612-21snmpd7
1204408994141,0cyclictest0-21swapper/511
1204448993911,19cyclictest0-21swapper/157
1204436993838,0cyclictest0-21swapper/124
1204427993837,1cyclictest0-21swapper/102
1204443993737,0cyclictest0-21swapper/146
1204436993635,1cyclictest0-21swapper/124
120443399360,36cyclictest0-21swapper/113
1204448993535,0cyclictest0-21swapper/157
1204433993535,0cyclictest0-21swapper/113
1204413993414,3cyclictest1612-21snmpd12
1204408993433,1cyclictest0-21swapper/511
1204408993433,1cyclictest0-21swapper/511
120443999338,14cyclictest0-21swapper/135
1204427993333,0cyclictest0-21swapper/102
120442499330,15cyclictest0-21swapper/915
1204417993313,17cyclictest0-21swapper/713
1204398993332,1cyclictest0-21swapper/28
1204386993332,0cyclictest0-21swapper/00
1204436993229,3cyclictest1612-21snmpd4
1204427993231,1cyclictest1612-21snmpd2
1204424993231,1cyclictest1612-21snmpd15
1204424993230,1cyclictest14333122chrt15
1204408993232,0cyclictest0-21swapper/511
120439899320,31cyclictest0-21swapper/28
120443999317,14cyclictest0-21swapper/135
1204417993130,1cyclictest0-21swapper/713
1204413993131,0cyclictest0-21swapper/612
1204408993128,3cyclictest1612-21snmpd11
1204390993130,1cyclictest0-21swapper/11
1204390993129,1cyclictest1612-21snmpd1
1204443993030,0cyclictest0-21swapper/146
1204427993029,1cyclictest0-21swapper/102
1204424993030,0cyclictest0-21swapper/915
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional