You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-26 - 11:33

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 #3, 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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Wed Aug 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
369321110,4sleep22072599cyclictest22:17:432
20640210897,6sleep20-21swapper/219:09:192
20607210897,6sleep00-21swapper/019:08:520
20406210695,6sleep10-21swapper/119:06:171
20658210285,12sleep30-21swapper/319:09:323
127842810,0sleep30-21swapper/323:35:123
154352750,0sleep30-21swapper/321:56:003
45092670,1sleep20-21swapper/222:51:592
253632630,1sleep10-21swapper/123:48:011
238502600,1sleep00-21swapper/022:39:100
283292590,1sleep128335-21aten2.4_r3power22:10:131
72092550,1sleep20-21swapper/221:47:292
2072499360,34cyclictest0-21swapper/119:10:111
2072399280,26cyclictest0-21swapper/020:15:120
20725992715,7cyclictest0-21swapper/223:16:062
20725992623,2cyclictest17290-21kworker/u8:023:07:042
71832250,1sleep30-21swapper/323:29:363
20726992522,2cyclictest31890-21kworker/u8:221:44:053
20726992522,2cyclictest24892-21kworker/u8:223:00:053
20725992522,2cyclictest16977-21kworker/u8:021:27:042
20725992522,2cyclictest10575-21kworker/u8:100:20:052
2072399253,20cyclictest22150irq/25-ahci[00019:35:120
20726992421,2cyclictest27251-21kworker/u8:222:28:053
20726992421,2cyclictest10575-21kworker/u8:100:18:063
20725992421,2cyclictest3069-21kworker/u8:221:18:052
20725992421,2cyclictest15048-21kworker/u8:122:49:042
20725992421,2cyclictest15048-21kworker/u8:122:49:042
20725992420,2cyclictest28397-21kworker/u8:220:56:052
2072599240,7cyclictest0-21swapper/223:37:042
20726992320,2cyclictest4622-21kworker/u8:022:23:043
20726992320,2cyclictest24892-21kworker/u8:222:56:013
20726992320,2cyclictest17609-21kworker/u8:121:54:043
20726992320,2cyclictest16977-21kworker/u8:021:28:013
20725992320,2cyclictest4622-21kworker/u8:022:39:042
20725992320,2cyclictest31890-21kworker/u8:221:42:012
20725992320,2cyclictest10575-21kworker/u8:100:07:052
20726992219,2cyclictest7770-21kworker/u8:123:50:053
20726992219,2cyclictest7770-21kworker/u8:123:47:043
20726992219,2cyclictest3069-21kworker/u8:221:19:053
20726992219,2cyclictest27251-21kworker/u8:222:10:043
20726992219,2cyclictest17609-21kworker/u8:122:17:043
20726992219,2cyclictest16977-21kworker/u8:021:30:013
20726992219,2cyclictest15048-21kworker/u8:122:44:053
2072699221,19cyclictest0-21swapper/319:10:123
20725992219,2cyclictest31388-21kworker/u8:121:09:052
20725992219,2cyclictest21657-21kworker/u8:022:03:042
20725992219,2cyclictest17290-21kworker/u8:023:14:042
20725992219,2cyclictest10575-21kworker/u8:100:16:012
2072599220,18cyclictest0-21swapper/222:08:052
2072599220,17cyclictest0-21swapper/219:51:052
20726992118,2cyclictest7770-21kworker/u8:123:59:043
20726992118,2cyclictest4037-21kworker/u8:000:23:043
20726992118,2cyclictest4037-21kworker/u8:000:02:053
20726992118,2cyclictest28528-21kworker/u8:223:22:053
20726992118,2cyclictest23452-21kworker/u8:123:17:043
20726992118,2cyclictest21657-21kworker/u8:022:06:063
20726992118,2cyclictest16977-21kworker/u8:021:23:043
20725992118,2cyclictest31890-21kworker/u8:221:50:012
20725992118,2cyclictest23076-21kworker/u8:220:33:042
20725992118,2cyclictest23076-21kworker/u8:220:19:052
20725992118,2cyclictest23076-21kworker/u8:220:09:042
2072399210,19cyclictest0-21swapper/021:20:130
20726992017,2cyclictest4828-21kworker/u8:020:02:013
20726992017,2cyclictest4622-21kworker/u8:022:37:043
20726992017,2cyclictest31388-21kworker/u8:121:08:013
20726992017,2cyclictest30652-21kworker/u8:200:30:013
20726992017,2cyclictest28528-21kworker/u8:223:32:043
20726992017,2cyclictest24892-21kworker/u8:223:10:043
20726992017,2cyclictest23076-21kworker/u8:220:17:053
20726992017,2cyclictest21657-21kworker/u8:022:04:043
20726992017,2cyclictest16977-21kworker/u8:020:48:013
20726992017,2cyclictest15048-21kworker/u8:122:32:053
2072699201,2cyclictest0-21swapper/300:38:053
2072699200,16cyclictest0-21swapper/300:14:043
2072699200,15cyclictest0-21swapper/323:43:043
20725992017,2cyclictest4037-21kworker/u8:000:13:042
20725992017,2cyclictest28528-21kworker/u8:223:30:042
20725992017,2cyclictest23076-21kworker/u8:220:13:042
20725992017,2cyclictest18457-21kworker/u8:119:30:042
20725992017,2cyclictest16977-21kworker/u8:020:46:042
2072599200,3cyclictest0-21swapper/200:38:052
2072599200,18cyclictest0-21swapper/200:29:042
2072599200,15cyclictest0-21swapper/222:30:052
2072399200,2cyclictest0-21swapper/020:30:130
20726991916,2cyclictest4037-21kworker/u8:000:05:043
20726991916,2cyclictest31069-21kworker/u8:019:42:043
20726991916,2cyclictest28397-21kworker/u8:220:58:043
20726991916,2cyclictest28397-21kworker/u8:220:52:053
20726991916,2cyclictest23076-21kworker/u8:220:22:043
20726991916,2cyclictest23076-21kworker/u8:219:48:043
20726991916,2cyclictest16977-21kworker/u8:020:43:043
20726991916,2cyclictest16977-21kworker/u8:020:39:043
20726991916,2cyclictest10575-21kworker/u8:100:26:043
2072699190,2cyclictest5959-21munin-node3
2072699190,18cyclictest0-21swapper/321:14:043
20725991916,2cyclictest31069-21kworker/u8:019:37:042
20725991916,2cyclictest30652-21kworker/u8:200:30:052
20725991916,2cyclictest2280-21kworker/u8:119:45:042
20725991916,2cyclictest14941-21kworker/u8:019:14:012
2072599191,2cyclictest0-21swapper/222:58:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional