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2025-05-09 - 05:51

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 May 09, 2025 00:46:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33778522212196,10sleep130-21swapper/1319:07:535
337868799727,31cyclictest0-21swapper/1720:29:579
337868199620,22cyclictest0-21swapper/1523:42:337
3378681996016,43cyclictest0-21swapper/1519:15:347
3378627996019,6cyclictest0-21swapper/023:41:440
3378693995549,5cyclictest3440264-40tracker-miner-f20:11:5811
337868199549,43cyclictest0-21swapper/1522:50:207
337868199549,43cyclictest0-21swapper/1522:50:197
3378637995414,39cyclictest0-21swapper/219:15:3412
16161540,41low-memory-moni0-21swapper/1019:07:062
3378661995035,15cyclictest0-21swapper/919:54:0119
175598500,48rtkit-daemon0-21swapper/1119:07:153
3378693994943,4cyclictest0-21swapper/1919:28:5911
3378693994943,4cyclictest0-21swapper/1919:28:5911
337863799497,4cyclictest0-21swapper/222:50:2012
337863799497,4cyclictest0-21swapper/222:50:2012
337869399489,38cyclictest0-21swapper/1920:07:5111
3378687994612,33cyclictest185050irq/149-eno100:35:389
337863799460,45cyclictest0-21swapper/219:45:2212
17891460,37gdbus0-21swapper/419:08:3814
3378681994517,7cyclictest0-21swapper/1519:48:597
337868199450,3cyclictest3659935-21memory00:05:177
337868199450,1cyclictest0-21swapper/1523:11:207
3378661994532,0cyclictest0-21swapper/921:04:0519
337863799453,41cyclictest0-21swapper/220:22:1212
337777124533,7sleep70-21swapper/719:07:0617
337868799449,2cyclictest8149-21CPU9
3378687994410,33cyclictest185050irq/149-eno100:24:549
337868199440,33cyclictest0-21swapper/1522:28:157
337868199440,1cyclictest0-21swapper/1521:55:157
337864399449,35cyclictest0-21swapper/423:44:5614
337863799441,43cyclictest0-21swapper/200:25:0212
337863799441,42cyclictest0-21swapper/221:55:3712
337869399435,37cyclictest0-21swapper/1923:42:3411
337868199430,41cyclictest0-21swapper/1522:12:557
337868199430,33cyclictest0-21swapper/1521:35:087
337868199430,1cyclictest3656541-40tracker-miner-f00:01:267
337868199430,1cyclictest3492327-40tracker-miner-f21:09:127
337867399430,36cyclictest1525859-21thunderbird20:07:575
337867399430,34cyclictest3491978-40tracker-miner-f21:06:175
3378653994339,1cyclictest0-21swapper/719:28:5917
3378653994339,1cyclictest0-21swapper/719:28:5817
337863799435,37cyclictest0-21swapper/223:34:5212
337863799434,39cyclictest0-21swapper/220:38:0912
3378637994340,2cyclictest0-21swapper/200:04:2312
3378637994336,7cyclictest0-21swapper/223:35:1912
58366620420,40data-loop.00-21swapper/1419:08:046
3378687994240,1cyclictest185050irq/149-eno100:27:599
3378681994232,9cyclictest0-21swapper/1522:04:407
337868199420,33cyclictest0-21swapper/1520:07:107
337868199420,1cyclictest3478154-40tracker-miner-f20:54:057
337868199420,1cyclictest3426214-40tracker-miner-f19:58:067
337868199420,0cyclictest0-21swapper/1500:22:077
337867399420,33cyclictest0-21swapper/1323:07:405
337867399420,33cyclictest0-21swapper/1322:40:195
337867399420,33cyclictest0-21swapper/1322:40:195
3378661994210,30cyclictest312199-21CPU19
3378637994237,5cyclictest0-21swapper/222:20:1412
337863799421,41cyclictest0-21swapper/222:40:2412
337863799421,41cyclictest0-21swapper/222:40:2312
337863799421,40cyclictest0-21swapper/222:33:2712
337863799420,40cyclictest0-21swapper/223:41:4412
3378632994231,10cyclictest3600056-40tracker-miner-f23:00:531
337777624238,2sleep80-21swapper/819:07:0718
337777024234,6sleep60-21swapper/619:07:0616
3378681994132,9cyclictest0-21swapper/1521:40:207
3378681994132,9cyclictest0-21swapper/1519:32:197
3378681994132,9cyclictest0-21swapper/1519:32:197
3378681994132,8cyclictest0-21swapper/1520:38:527
3378681994131,9cyclictest0-21swapper/1523:38:407
3378681994131,10cyclictest0-21swapper/1519:36:067
3378681994131,10cyclictest0-21swapper/1519:36:067
337868199410,40cyclictest0-21swapper/1522:41:047
337868199410,40cyclictest0-21swapper/1522:41:037
337868199410,40cyclictest0-21swapper/1519:50:137
337868199410,38cyclictest0-21swapper/1523:47:437
337868199410,32cyclictest0-21swapper/1523:15:217
337868199410,1cyclictest1525859-21thunderbird22:57:447
337868199410,0cyclictest0-21swapper/1521:34:247
337868199410,0cyclictest0-21swapper/1519:24:367
337867399410,33cyclictest3567171-40tracker-miner-f22:25:555
337867399410,33cyclictest0-21swapper/1320:13:575
337867399410,1cyclictest3609978-21StreamT~s5
337867399410,0cyclictest0-21swapper/1320:04:535
3378671994118,2cyclictest3487592-40tracker-miner-f21:04:104
337865399412,38cyclictest312198-21CPU17
3378637994136,4cyclictest0-21swapper/200:05:1712
337863799413,36cyclictest3382542-21StreamT~s12
337863799411,39cyclictest0-21swapper/222:56:1612
337863799410,40cyclictest0-21swapper/222:10:4212
337863799410,40cyclictest0-21swapper/219:39:5412
337863799410,40cyclictest0-21swapper/219:39:5412
337863799410,40cyclictest0-21swapper/219:26:5812
337863799410,40cyclictest0-21swapper/219:26:5812
337863799410,40cyclictest0-21swapper/200:14:2312
337863299410,40cyclictest3529728-40tracker-miner-f21:47:561
337863299410,39cyclictest3477990-40tracker-miner-f20:52:331
337863299410,32cyclictest3642639-40tracker-miner-f23:48:281
337776824135,3sleep50-21swapper/519:07:0515
3378681994032,8cyclictest0-21swapper/1520:27:367
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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