You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-25 - 13:49

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 Jun 25, 2026 00:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24536062355311,17sleep130-21swapper/1319:09:065
24535962353332,14sleep50-21swapper/519:08:5911
24534752345320,16sleep90-21swapper/919:07:1015
24535742344323,13sleep20-21swapper/219:08:398
24533732342316,17sleep10-21swapper/119:05:411
24536252341316,16sleep150-21swapper/1519:09:247
24535042340314,17sleep40-21swapper/419:07:3710
24534022340315,16sleep110-21swapper/1119:06:083
24533842339314,16sleep100-21swapper/1019:05:502
24535612338312,17sleep70-21swapper/719:08:2813
24534092338311,17sleep140-21swapper/1419:06:106
24534742337311,17sleep80-21swapper/819:07:0914
24534362337312,16sleep60-21swapper/619:06:3512
24534332334308,17sleep30-21swapper/319:06:319
24533672333308,16sleep120-21swapper/1219:05:364
24534662331305,16sleep00-21swapper/019:07:000
245404399327,14cyclictest0-21swapper/1320:14:395
245404399317,13cyclictest0-21swapper/1323:10:225
245404399317,13cyclictest0-21swapper/1320:25:375
2454024993026,4cyclictest1612-21snmpd22:34:1714
2454016993030,0cyclictest0-21swapper/619:11:2712
245402899290,28cyclictest0-21swapper/920:54:1215
2454024992925,3cyclictest1612-21snmpd22:50:2814
2454024992925,3cyclictest1612-21snmpd22:50:2814
245402499290,1cyclictest0-21swapper/820:20:5414
2454019992926,2cyclictest437125-21CPU13
2454016992926,3cyclictest1612-21snmpd00:15:3212
245405099280,27cyclictest0-21swapper/1522:31:147
245405099280,27cyclictest0-21swapper/1519:24:327
245405099280,27cyclictest0-21swapper/1519:24:327
245404799280,27cyclictest0-21swapper/1422:02:206
245404799280,27cyclictest0-21swapper/1420:38:186
2454043992827,1cyclictest0-21swapper/1322:05:185
245404399280,27cyclictest0-21swapper/1319:43:585
2454039992827,1cyclictest1612-21snmpd20:43:514
245403599280,27cyclictest0-21swapper/1120:06:483
245403199280,27cyclictest0-21swapper/1022:37:242
2454028992824,1cyclictest1612-21snmpd22:19:3315
245402499285,1cyclictest0-21swapper/822:59:0814
245402499285,1cyclictest0-21swapper/822:59:0714
2454024992827,1cyclictest1612-21snmpd21:10:0614
2454024992826,2cyclictest0-21swapper/823:28:3714
2454024992825,3cyclictest1612-21snmpd22:45:2414
2454024992825,3cyclictest1612-21snmpd22:45:2414
245402499280,27cyclictest0-21swapper/820:49:0314
245402499280,27cyclictest0-21swapper/820:19:5714
245402499280,27cyclictest0-21swapper/820:05:3214
245402499280,27cyclictest0-21swapper/820:04:5614
2454019992827,1cyclictest1612-21snmpd22:30:5013
2454019992827,1cyclictest1612-21snmpd21:29:3413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional