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2024-06-15 - 01:14

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 Fri Jun 14, 2024 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32901702136129,5sleep100-21swapper/1019:07:592
32899922132124,5sleep50-21swapper/519:06:3415
32899752129121,5sleep160-21swapper/1619:06:258
32901722126120,4sleep110-21swapper/1119:08:003
32901762125118,4sleep140-21swapper/1419:08:036
32901812124116,5sleep190-21swapper/1919:08:0811
134411230,102low-memory-moni0-21swapper/719:08:1417
32861602122114,5sleep120-21swapper/1219:05:014
32903132118100,11sleep60-21swapper/619:09:3516
3290179211796,18sleep170-21swapper/1719:08:069
3290332210396,4sleep30-21swapper/319:09:5213
329031629288,2sleep90-21swapper/919:09:3819
329030829083,5sleep10-21swapper/119:09:301
33893522890,0sleep190-21swapper/1921:02:3711
35079532880,0sleep10-21swapper/123:21:311
33976482820,0sleep50-21swapper/521:11:0415
33038832760,0sleep150-21swapper/1519:21:047
13441720,68low-memory-moni0-21swapper/819:08:5818
329078599670,23cyclictest3520693-40tracker-miner-f23:37:025
3290803996666,0cyclictest0-21swapper/1819:15:3610
329032326635,10sleep150-21swapper/1519:09:447
13441640,44low-memory-moni0-21swapper/419:05:5014
329032626055,3sleep180-21swapper/1819:09:4710
3290803995921,38cyclictest0-21swapper/1823:02:5010
3290803995921,38cyclictest0-21swapper/1823:02:5010
3290772995828,1cyclictest3435983-40tracker-miner-f21:58:3019
329033125639,10sleep20-21swapper/219:09:5112
3290775995454,0cyclictest0-21swapper/1022:44:542
329079599517,32cyclictest0-21swapper/1621:03:038
329079599510,35cyclictest16026-21StyleThread#122:19:238
33851402500,0sleep10-21swapper/120:58:191
328998225034,10sleep00-21swapper/019:06:290
3290803994948,0cyclictest0-21swapper/1822:29:4710
3290775994932,17cyclictest0-21swapper/1022:29:262
328996924934,10sleep130-21swapper/1319:06:225
329079599480,47cyclictest3533315-40tracker-miner-f23:51:178
3290775994810,38cyclictest0-21swapper/1023:02:502
3290775994810,38cyclictest0-21swapper/1023:02:502
3290763994846,1cyclictest273350irq/125-eno122:49:5416
3290763994845,2cyclictest0-21swapper/600:23:1216
3290763994812,34cyclictest273350irq/125-eno122:09:0916
3290754994844,2cyclictest15730-21firefox21:58:5413
32997722470,0sleep110-21swapper/1119:17:203
3290795994732,1cyclictest16009-21Isolated08:32:498
3290775994747,0cyclictest0-21swapper/1023:05:162
3290765994710,36cyclictest0-21swapper/723:02:5017
3290765994710,36cyclictest0-21swapper/723:02:5017
3290763994746,1cyclictest273350irq/125-eno119:12:3816
3290763994745,1cyclictest273350irq/125-eno120:33:4216
3290763994745,1cyclictest273350irq/125-eno100:25:3616
3290803994646,0cyclictest0-21swapper/1800:04:2810
329080399463,43cyclictest0-21swapper/1823:05:1610
3290765994610,35cyclictest0-21swapper/720:38:0617
3290763994644,1cyclictest273350irq/125-eno119:25:1516
3290803994545,0cyclictest0-21swapper/1819:46:3810
3290803994510,35cyclictest0-21swapper/1819:24:3010
3290795994532,5cyclictest0-21swapper/1622:06:528
329077299450,45cyclictest0-21swapper/900:34:4819
3290757994543,1cyclictest0-21swapper/421:28:2414
3290757994543,1cyclictest0-21swapper/419:37:4014
3290805994444,0cyclictest0-21swapper/1921:29:0611
329080399448,1cyclictest3567621-40tracker-miner-f00:34:0210
3290803994444,0cyclictest0-21swapper/1823:34:1810
3290803994444,0cyclictest0-21swapper/1821:53:4710
3290803994444,0cyclictest0-21swapper/1820:38:4710
3290803994444,0cyclictest0-21swapper/1820:06:4910
3290803994444,0cyclictest0-21swapper/1820:06:4910
3290803994443,1cyclictest3418926-40tracker-miner-f21:37:0410
3290795994433,1cyclictest15730-21firefox23:20:418
329078599440,0cyclictest0-21swapper/1321:31:155
3290772994444,0cyclictest0-21swapper/922:19:1919
329077299440,43cyclictest0-21swapper/922:42:3819
329077299440,37cyclictest3414927-40tracker-miner-f21:35:0319
3290763994443,1cyclictest273350irq/125-eno123:20:4016
3290763994443,1cyclictest273350irq/125-eno120:58:4416
3290763994443,1cyclictest273350irq/125-eno100:30:0616
3290763994442,1cyclictest273350irq/125-eno123:05:1616
3290763994442,1cyclictest273350irq/125-eno120:13:0116
3290763994442,0cyclictest273350irq/125-eno123:41:0616
3290763994442,0cyclictest273350irq/125-eno121:48:4216
3290759994443,0cyclictest0-21swapper/522:04:0315
3290759994442,1cyclictest0-21swapper/519:51:4315
3290759994442,1cyclictest0-21swapper/519:37:4015
3290757994441,2cyclictest0-21swapper/420:57:5014
35685942430,0sleep90-21swapper/900:35:0519
3290803994343,0cyclictest0-21swapper/1822:44:5310
3290803994342,1cyclictest3457107-40tracker-miner-f22:22:0410
3290788994341,2cyclictest3440309-40tracker-miner-f22:04:036
329078599430,0cyclictest0-21swapper/1322:49:205
329077899430,2cyclictest3376485-40tracker-miner-f20:46:273
3290775994343,0cyclictest0-21swapper/1019:24:302
329077299430,42cyclictest0-21swapper/919:20:2519
329077299430,35cyclictest0-21swapper/921:23:3719
329077299430,35cyclictest0-21swapper/920:36:0119
329077299430,33cyclictest0-21swapper/922:08:2219
329076399437,34cyclictest273350irq/125-eno119:46:4116
3290763994341,1cyclictest273350irq/125-eno120:22:1716
3290759994341,1cyclictest0-21swapper/521:28:2415
3290754994341,1cyclictest0-21swapper/320:17:1113
3290750994343,0cyclictest0-21swapper/220:52:2912
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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