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2026-06-03 - 07:24

OSADL QA Farm on Real-time of Mainline Linux

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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 
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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 Jun 03, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3689922730,0sleep170-21swapper/1723:50:009
12343799646,26cyclictest0-21swapper/1520:53:127
12343799646,26cyclictest0-21swapper/1520:53:127
12283326131,26sleep150-21swapper/1519:09:547
20941570,53gdbus0-21swapper/1719:06:069
123445995625,31cyclictest129082-40tracker-miner-f19:13:139
12055525645,7sleep130-21swapper/1319:06:525
12029325646,6sleep100-21swapper/1019:06:292
123451995552,2cyclictest0-21swapper/1919:14:3311
123441995427,26cyclictest0-21swapper/1619:30:278
123451995252,0cyclictest0-21swapper/1919:28:5711
123441995012,37cyclictest0-21swapper/1619:27:088
12344799480,47cyclictest147193-40tracker-miner-f19:29:5910
123406994610,27cyclictest4077776-21CPU16
123451994545,0cyclictest0-21swapper/1919:31:1811
123415994521,23cyclictest0-21swapper/820:01:5918
208398440,40rtkit-daemon0-21swapper/1919:05:5211
123437994431,13cyclictest0-21swapper/1519:21:227
12343799440,42cyclictest0-21swapper/1519:13:047
123451994343,0cyclictest0-21swapper/1919:24:4911
12344599430,35cyclictest133106-40tracker-miner-f19:16:359
12344599430,34cyclictest145037-40tracker-miner-f19:27:029
123425994343,0cyclictest0-21swapper/1119:29:153
12338799430,32cyclictest139028-21proc_pri19:20:150
12045124338,3sleep40-21swapper/419:06:4314
12038124338,3sleep180-21swapper/1819:06:3710
123431994241,1cyclictest144478-40tracker-miner-f19:26:335
12341599420,41cyclictest0-21swapper/819:28:0818
12341599420,41cyclictest0-21swapper/819:11:0318
12338799420,34cyclictest127285-40tracker-miner-f19:11:190
123447994140,1cyclictest129082-40tracker-miner-f19:13:0210
12344199414,36cyclictest0-21swapper/1619:15:138
123441994140,1cyclictest122854-40tracker-miner-f19:10:018
123417994141,0cyclictest0-21swapper/919:20:1019
12341599410,40cyclictest0-21swapper/823:39:5918
123391994138,2cyclictest4077776-21CPU1
12338799410,1cyclictest0-21swapper/019:30:010
12049824135,3sleep80-21swapper/819:06:4718
123451994039,1cyclictest133106-40tracker-miner-f19:16:2511
123445994031,8cyclictest3760907-21gnome-shell19:21:109
12344599400,39cyclictest0-21swapper/1719:30:079
123437994038,1cyclictest3764720-21Socket08:47:107
123427994040,0cyclictest0-21swapper/1223:41:084
123427994040,0cyclictest0-21swapper/1223:41:084
123421994020,0cyclictest0-21swapper/1019:26:092
12341599400,39cyclictest0-21swapper/819:20:2018
12341599400,39cyclictest0-21swapper/819:15:1318
123396994040,0cyclictest0-21swapper/319:17:3913
123393994022,18cyclictest0-21swapper/219:30:4812
12344199394,34cyclictest0-21swapper/1619:21:038
123441993937,2cyclictest0-21swapper/1623:25:598
123435993938,1cyclictest3760941-6KMS08:47:106
123427993934,4cyclictest3762101-21Socket08:47:104
12342199390,0cyclictest0-21swapper/1019:20:102
12341799390,38cyclictest147476-21cut19:29:5919
123415993935,3cyclictest0-21swapper/819:30:4918
12341199390,38cyclictest0-21swapper/719:29:3817
123406993935,3cyclictest3762377-21firefox19:30:4116
12338799390,37cyclictest0-21swapper/019:16:550
12338799390,31cyclictest0-21swapper/019:26:360
123447993835,2cyclictest4077776-21CPU10
12344799381,1cyclictest4077776-21CPU10
123441993836,2cyclictest0-21swapper/1621:59:598
123431993838,0cyclictest0-21swapper/1319:13:045
123427993837,1cyclictest4662-21qemu-system-x8621:18:594
123427993832,6cyclictest0-21swapper/1219:21:404
123417993837,1cyclictest0-21swapper/919:18:5719
12341799381,36cyclictest4077777-21CPU19
12341199381,35cyclictest4077776-21CPU17
123403993838,0cyclictest215750irq/155-eno119:26:2515
12340399380,37cyclictest3764699-21Isolated08:47:1015
123401993838,0cyclictest0-21swapper/419:20:1014
123393993838,0cyclictest0-21swapper/219:20:1012
12022923833,3sleep50-21swapper/519:06:2415
11983123834,2sleep160-21swapper/1619:05:558
227899370,31ntpd0-21swapper/919:09:0919
12344799370,36cyclictest0-21swapper/1819:30:1210
123441993731,6cyclictest0-21swapper/1622:58:598
12343799371,34cyclictest4077777-21CPU7
12343799371,2cyclictest4077776-21CPU7
123435993734,3cyclictest4077719-21qemu-system-x8619:27:016
12343599373,1cyclictest130121-40tracker-miner-f19:15:026
12343199371,34cyclictest4077777-21CPU5
12343199370,36cyclictest3760907-21gnome-shell19:20:275
12342799370,2cyclictest0-21swapper/1219:16:214
123425993731,5cyclictest140026-40tracker-miner-f19:20:573
12342599370,37cyclictest0-21swapper/1119:13:063
12341799371,35cyclictest4077777-21CPU19
12341799370,36cyclictest147193-40tracker-miner-f19:30:0119
12341199371,2cyclictest4077777-21CPU17
12341199370,36cyclictest3760907-21gnome-shell19:22:0017
12340699371,2cyclictest4077777-21CPU16
12340699370,37cyclictest3760907-21gnome-shell19:20:4316
123403993736,1cyclictest215750irq/155-eno119:16:2015
123403993732,4cyclictest3760907-21gnome-shell19:21:0315
12340199370,36cyclictest3760907-21gnome-shell19:25:0314
12339699370,36cyclictest128656-21lsblk19:12:2013
12339399370,4cyclictest132190-21StreamT~s12
11965523733,2sleep30-21swapper/319:05:4113
12345199362,34cyclictest0-21swapper/1922:43:5911
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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