You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-05 - 22:25

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 #6

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 rack0slot6s.osadl.org (updated Wed Aug 05, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28477112250242,5sleep190-21swapper/1919:08:1511
28478102247209,30sleep30-21swapper/319:09:3913
28478022241220,13sleep160-21swapper/1619:09:338
28475302241220,13sleep90-21swapper/919:05:4419
28477582240220,12sleep180-21swapper/1819:08:5410
28477762237219,11sleep130-21swapper/1319:09:095
28475542237199,11sleep110-21swapper/1119:06:063
28475482235198,30sleep60-21swapper/619:06:0216
28445822235216,12sleep80-21swapper/819:05:0318
28475582232213,12sleep140-21swapper/1419:06:096
28475312232213,12sleep100-21swapper/1019:05:452
28475782231212,12sleep70-21swapper/719:06:2317
28477842230211,12sleep00-21swapper/019:09:160
28477192230214,9sleep40-21swapper/419:08:2014
28445862229210,12sleep120-21swapper/1219:05:074
28476032226207,12sleep50-21swapper/519:06:4115
28476252222204,11sleep10-21swapper/119:06:571
28459142220201,12sleep20-21swapper/219:05:1712
28475382217197,12sleep170-21swapper/1719:05:529
28476162209190,12sleep150-21swapper/1519:06:527
29786602410,0sleep60-21swapper/621:45:1216
2848208993433,0cyclictest0-21swapper/420:42:5914
2848202993432,1cyclictest0-21swapper/221:11:5912
2848250993333,0cyclictest1801ktimers/1721:46:589
2848247993333,0cyclictest0-21swapper/1621:24:598
2848208993332,1cyclictest0-21swapper/419:38:5914
2848208993332,0cyclictest0-21swapper/422:30:5914
2848208993332,0cyclictest0-21swapper/421:50:5814
284820899330,33cyclictest0-21swapper/421:15:5914
2848252993232,0cyclictest0-21swapper/1820:47:5910
284824799320,32cyclictest0-21swapper/1620:59:008
284824799320,32cyclictest0-21swapper/1620:58:598
2848245993232,0cyclictest0-21swapper/1520:24:597
2848245993232,0cyclictest0-21swapper/1520:01:597
2848245993231,0cyclictest0-21swapper/1521:24:597
2848241993232,0cyclictest0-21swapper/1421:45:586
2848241993232,0cyclictest0-21swapper/1421:24:586
2848239993232,0cyclictest0-21swapper/1320:06:595
2848239993232,0cyclictest0-21swapper/1319:57:005
2848236993230,0cyclictest0-21swapper/1220:26:594
284823499320,32cyclictest0-21swapper/1121:15:003
284823499320,31cyclictest0-21swapper/1121:42:583
2848229993231,0cyclictest0-21swapper/1020:26:592
2848229993230,0cyclictest0-21swapper/1021:02:002
2848229993230,0cyclictest0-21swapper/1021:01:592
2848213993232,0cyclictest0-21swapper/620:19:5916
2848202993232,0cyclictest0-21swapper/220:08:0012
2848247993131,0cyclictest0-21swapper/1621:42:598
2848247993131,0cyclictest0-21swapper/1620:23:598
2848245993131,0cyclictest0-21swapper/1521:45:597
2848245993131,0cyclictest0-21swapper/1520:59:007
2848245993131,0cyclictest0-21swapper/1520:58:597
2848241993131,0cyclictest0-21swapper/1420:59:006
2848241993131,0cyclictest0-21swapper/1420:58:596
2848241993130,1cyclictest0-21swapper/1421:42:586
2848236993130,0cyclictest0-21swapper/1220:01:004
2848236993129,1cyclictest0-21swapper/1221:02:004
2848236993129,1cyclictest0-21swapper/1221:02:004
2848234993130,0cyclictest0-21swapper/1119:54:593
2848229993130,0cyclictest0-21swapper/1020:13:002
284822999310,31cyclictest0-21swapper/1020:00:592
2848220993131,0cyclictest0-21swapper/822:37:5818
2848216993131,0cyclictest0-21swapper/721:51:5917
2848208993131,0cyclictest0-21swapper/423:17:5814
2848208993131,0cyclictest0-21swapper/422:20:5814
2848202993131,0cyclictest0-21swapper/220:51:0012
2848256993030,0cyclictest0-21swapper/1922:31:5811
2848252993030,0cyclictest0-21swapper/1820:24:0010
2848252993030,0cyclictest0-21swapper/1819:59:5910
2848247993029,0cyclictest0-21swapper/1600:14:588
2848241993030,0cyclictest0-21swapper/1420:23:596
2848239993030,0cyclictest0-21swapper/1300:19:585
2848239993029,1cyclictest3113398-21updatedb00:29:585
2848239993029,1cyclictest0-21swapper/1320:15:595
2848239993028,1cyclictest0-21swapper/1320:32:005
2848236993030,0cyclictest0-21swapper/1220:40:594
2848236993029,0cyclictest0-21swapper/1220:12:594
2848236993028,1cyclictest0-21swapper/1220:31:004
2848225993029,1cyclictest0-21swapper/921:46:5819
2848208993029,1cyclictest0-21swapper/421:42:5814
2848204993030,0cyclictest0-21swapper/321:03:0013
2848204993030,0cyclictest0-21swapper/321:02:5913
2848252992929,0cyclictest0-21swapper/1800:03:5910
2848252992929,0cyclictest0-21swapper/1800:03:5810
2848247992928,0cyclictest0-21swapper/1621:36:598
2848245992929,0cyclictest0-21swapper/1521:42:597
284824599290,0cyclictest0-21swapper/1520:08:567
2848239992929,0cyclictest0-21swapper/1322:26:585
2848234992928,0cyclictest0-21swapper/1120:01:003
2848234992927,0cyclictest0-21swapper/1121:02:003
2848234992927,0cyclictest0-21swapper/1121:02:003
2848234992927,0cyclictest0-21swapper/1120:26:593
2848229992929,0cyclictest0-21swapper/1021:12:002
2848229992929,0cyclictest0-21swapper/1020:30:592
2848211992929,0cyclictest0-21swapper/520:09:5915
2848211992927,1cyclictest0-21swapper/520:41:5915
2848208992929,0cyclictest0-21swapper/421:14:5914
2848208992927,1cyclictest0-21swapper/419:54:5914
2848247992828,0cyclictest0-21swapper/1600:29:598
2848245992828,0cyclictest0-21swapper/1500:14:587
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional