You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-10 - 17:06

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 #8, slot #4

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 rack8slot4s.osadl.org (updated Fri Apr 10, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6954272236173,21sleep70-21swapper/707:06:437
6954262229167,49sleep60-21swapper/607:06:426
6955782222185,24sleep10-21swapper/107:08:541
6953772219185,22sleep40-21swapper/407:05:594
6953752219185,22sleep20-21swapper/207:05:582
6956152217178,25sleep00-21swapper/007:09:250
6953762214180,22sleep30-21swapper/307:05:583
6955912212175,24sleep50-21swapper/507:09:065
69588099260,25cyclictest0-21swapper/012:10:010
69590299250,24cyclictest0-21swapper/709:25:127
69590099250,24cyclictest0-21swapper/611:20:116
695890992523,1cyclictest809429-21apt-get10:25:113
69589099250,24cyclictest757722-21apt-get08:55:133
695887992522,3cyclictest871877-21awk12:15:002
69590099240,1cyclictest702243-21awk07:20:016
69589599240,1cyclictest737217-21apt-get08:20:135
69589399240,23cyclictest748471-21munin-run08:40:004
695887992421,3cyclictest840432-21munin-run11:20:002
69588799240,23cyclictest0-21swapper/208:00:122
69588799240,23cyclictest0-21swapper/208:00:122
69588499240,2cyclictest840463-21sendmail11:20:011
695880992422,1cyclictest0-21swapper/008:40:000
695902992321,1cyclictest716944-21apt-get07:45:117
69590299230,22cyclictest0-21swapper/709:00:127
69589599230,22cyclictest0-21swapper/511:30:105
69589599230,22cyclictest0-21swapper/507:15:125
695893992321,1cyclictest869434-21apt-get12:10:114
69589399230,1cyclictest800587-21apt-get10:10:124
69589399230,1cyclictest0-21swapper/412:35:114
69589099230,22cyclictest837992-21apt-get11:15:113
695887992321,1cyclictest0-21swapper/210:09:592
69588799230,23cyclictest722246-21awk07:55:002
69588799230,22cyclictest818009-21apt-get10:40:112
69588799230,22cyclictest748447-21cron08:40:012
69588799230,22cyclictest705075-21munin-run07:25:002
69588799230,22cyclictest0-21swapper/212:35:112
695884992322,1cyclictest855153-21apt-get11:45:111
695884992321,1cyclictest852299-21apt-get11:40:101
695884992321,1cyclictest719797-21apt-get07:50:121
69588499230,22cyclictest696193-21apt-get07:10:111
69588499230,22cyclictest0-21swapper/108:35:121
69588499230,1cyclictest0-21swapper/111:30:001
69588499230,1cyclictest0-21swapper/111:05:121
695880992322,1cyclictest0-21swapper/009:05:110
69588099230,22cyclictest0-21swapper/009:25:120
69588099230,22cyclictest0-21swapper/007:30:000
695902992222,0cyclictest0-21swapper/711:35:117
695902992221,1cyclictest733648-21apt-get08:15:027
695902992220,1cyclictest803438-21apt-get10:15:107
695902992220,1cyclictest0-21swapper/711:00:007
695902992220,1cyclictest0-21swapper/708:55:117
69590299220,21cyclictest0-21swapper/712:35:127
69590299220,21cyclictest0-21swapper/709:20:107
69590299220,1cyclictest0-21swapper/710:05:117
69590299220,1cyclictest0-21swapper/709:50:007
69590299220,1cyclictest0-21swapper/709:40:107
695900992221,1cyclictest761rcuc/608:00:006
695900992221,1cyclictest761rcuc/608:00:006
695900992221,1cyclictest0-21swapper/608:50:016
69590099220,22cyclictest794456-21systemctl09:59:596
69590099220,22cyclictest0-21swapper/612:00:086
69590099220,21cyclictest0-21swapper/608:05:116
695895992222,0cyclictest0-21swapper/509:25:125
695895992220,1cyclictest808759-21awk10:24:595
69589599220,21cyclictest849427-21apt-get11:35:115
69589599220,21cyclictest766299-21apt-get09:10:105
69589599220,21cyclictest0-21swapper/511:50:115
69589599220,21cyclictest0-21swapper/510:25:125
69589599220,21cyclictest0-21swapper/509:35:115
69589599220,21cyclictest0-21swapper/508:10:125
695893992221,1cyclictest591ktimers/412:20:104
695893992221,1cyclictest0-21swapper/411:20:004
69589399220,22cyclictest0-21swapper/411:50:114
69589399220,21cyclictest0-21swapper/412:30:114
69589399220,1cyclictest705089-21basename07:25:014
695890992222,0cyclictest0-21swapper/312:10:113
695890992221,1cyclictest0-21swapper/311:35:013
695890992220,1cyclictest0-21swapper/310:40:003
69589099220,22cyclictest797320-21perf10:04:593
69589099220,21cyclictest786307-21apt-get09:45:103
69589099220,21cyclictest0-21swapper/311:50:103
69589099220,21cyclictest0-21swapper/311:40:103
69589099220,21cyclictest0-21swapper/310:15:113
69589099220,21cyclictest0-21swapper/309:55:123
69589099220,21cyclictest0-21swapper/309:10:103
695887992221,1cyclictest863726-21apt-get12:00:082
69588799220,22cyclictest0-21swapper/212:30:112
69588799220,21cyclictest0-21swapper/211:50:102
69588799220,21cyclictest0-21swapper/211:30:112
69588799220,21cyclictest0-21swapper/210:50:112
69588799220,21cyclictest0-21swapper/209:35:172
69588799220,21cyclictest0-21swapper/208:45:012
69588799220,1cyclictest0-21swapper/211:55:102
69588799220,1cyclictest0-21swapper/210:35:002
69588799220,0cyclictest0-21swapper/208:55:122
695884992222,0cyclictest0-21swapper/108:25:131
69588499220,22cyclictest707953-21basename07:30:001
69588499220,21cyclictest0-21swapper/112:15:111
69588499220,21cyclictest0-21swapper/111:10:131
69588499220,21cyclictest0-21swapper/109:30:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional