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2024-02-27 - 05:42

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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 
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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 rack0slot4s.osadl.org (updated Tue Feb 27, 2024 00:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15961342394372,14sleep70-21swapper/719:08:5913
15959402369348,13sleep50-21swapper/519:06:3211
15959112365328,13sleep00-21swapper/019:06:110
15959122363343,12sleep10-21swapper/119:06:121
15960362361321,31sleep40-21swapper/419:07:5110
15962052359338,13sleep60-21swapper/619:09:4612
15961252359323,12sleep20-21swapper/219:08:548
15959802357336,13sleep80-21swapper/819:07:0614
15960352355332,14sleep30-21swapper/319:07:509
15959822355334,14sleep90-21swapper/919:07:0715
15960632354334,13sleep110-21swapper/1119:08:143
15960272354336,11sleep120-21swapper/1219:07:434
15958892353331,14sleep140-21swapper/1419:05:536
15961652352332,13sleep100-21swapper/1019:09:182
15927152352331,14sleep130-21swapper/1319:05:035
15962142351328,14sleep150-21swapper/1519:09:557
15966469912666,0cyclictest0-21swapper/1521:44:507
15966299910345,58cyclictest0-21swapper/1021:44:532
1596636999636,33cyclictest0-21swapper/1221:44:514
1596606999536,30cyclictest0-21swapper/321:44:529
1596621998787,0cyclictest0-21swapper/721:44:5113
1596638998627,30cyclictest0-21swapper/1321:44:515
1596642998323,29cyclictest0-21swapper/1421:44:516
1596601998124,29cyclictest0-21swapper/121:44:501
1596603997429,44cyclictest0-21swapper/221:44:538
1596616997070,0cyclictest28066-21Xorg21:44:5112
1596626996868,0cyclictest28066-21Xorg21:44:5115
1596613996867,1cyclictest28066-21Xorg21:44:5111
1596621994443,1cyclictest1874081-21kworker/7:2+events22:25:2313
1596621994439,3cyclictest1904676-21kworker/7:2+events23:19:2313
1596621994340,2cyclictest1962532-21kworker/7:0+events00:05:3113
1596621994339,2cyclictest1962532-21kworker/7:0+events23:35:3113
1596621994338,3cyclictest1962532-21kworker/7:0+events23:47:3113
1596621994338,3cyclictest1962532-21kworker/7:0+events00:02:1113
1596621994338,3cyclictest1795297-21kworker/7:0+events22:09:3913
1596621994338,3cyclictest1635087-21kworker/7:0+events20:47:2213
1596621994338,3cyclictest1635087-21kworker/7:0+events20:39:3913
1596621994338,3cyclictest1635087-21kworker/7:0+events19:59:5713
1596621994338,3cyclictest1518832-21kworker/7:2+events19:37:5613
1596621994338,3cyclictest1518832-21kworker/7:2+events19:14:4513
1596621994329,11cyclictest1962532-21kworker/7:0+events23:54:1113
1596621994329,11cyclictest1887930-21kworker/7:0+events22:51:1513
1596621994240,2cyclictest1777722-21kworker/7:2+events21:15:3313
1596621994240,2cyclictest1635087-21kworker/7:0+events20:10:3513
1596621994239,2cyclictest1795297-21kworker/7:0+events21:55:0113
1596621994239,2cyclictest1795297-21kworker/7:0+events21:35:2513
1596621994239,2cyclictest1635087-21kworker/7:0+events20:59:0013
1596621994237,3cyclictest1962532-21kworker/7:0+events00:21:0713
1596621994237,3cyclictest1887930-21kworker/7:0+events22:47:0613
1596621994237,3cyclictest1518832-21kworker/7:2+events19:48:0213
1596621994237,3cyclictest1518832-21kworker/7:2+events19:32:2013
1596621994237,3cyclictest1518832-21kworker/7:2+events19:29:2313
1596621994236,3cyclictest1962532-21kworker/7:0+events00:16:3513
1596621994229,11cyclictest1962532-21kworker/7:0+events23:25:2413
1596621994229,0cyclictest1962532-21kworker/7:0+events23:22:5813
1596621994140,0cyclictest1887930-21kworker/7:0+events22:39:4713
1596621994139,2cyclictest1962532-21kworker/7:0+events00:10:2113
1596621994139,2cyclictest1904676-21kworker/7:2+events23:13:5513
1596621994139,2cyclictest1635087-21kworker/7:0+events21:00:1913
1596621994139,2cyclictest1518832-21kworker/7:2+events19:20:3513
1596621994138,3cyclictest1518832-21kworker/7:2+events19:53:4813
1596621994138,2cyclictest1795297-21kworker/7:0+events22:19:2313
1596621994138,2cyclictest1795297-21kworker/7:0+events22:19:2213
1596621994138,2cyclictest1795297-21kworker/7:0+events21:45:2313
1596621994138,2cyclictest1777722-21kworker/7:2+events21:30:3713
1596621994138,2cyclictest1635087-21kworker/7:0+events20:50:2613
1596621994138,2cyclictest1635087-21kworker/7:0+events20:22:2713
1596621994138,2cyclictest1635087-21kworker/7:0+events20:15:0913
1596621994136,3cyclictest1962532-21kworker/7:0+events23:40:3513
1596621994136,3cyclictest1962532-21kworker/7:0+events00:25:3913
1596621994136,3cyclictest1874081-21kworker/7:2+events22:24:5913
1596621994136,3cyclictest1874081-21kworker/7:2+events22:24:5813
1596621994136,3cyclictest1795297-21kworker/7:0+events21:50:3513
1596621994136,3cyclictest1777722-21kworker/7:2+events21:28:1913
1596621994136,3cyclictest1635087-21kworker/7:0+events21:10:2113
1596621994136,3cyclictest1635087-21kworker/7:0+events20:40:1013
1596621994136,3cyclictest1635087-21kworker/7:0+events20:27:4713
1596621994136,3cyclictest1635087-21kworker/7:0+events20:00:5113
1596621994128,10cyclictest1795297-21kworker/7:0+events22:04:2913
1596611994140,1cyclictest28066-21Xorg21:44:5110
1596633994039,1cyclictest28066-21Xorg21:44:523
1596621994038,2cyclictest1887930-21kworker/7:0+events22:55:5513
1596621994038,2cyclictest1635087-21kworker/7:0+events20:05:2313
1596621994038,0cyclictest1874081-21kworker/7:2+events22:30:2613
1596621994037,3cyclictest1518832-21kworker/7:2+events19:15:3313
1596621994037,2cyclictest1962532-21kworker/7:0+events23:55:2513
1596621994035,3cyclictest1904676-21kworker/7:2+events23:06:5313
1596621994035,3cyclictest1777722-21kworker/7:2+events21:23:0913
1596621994035,3cyclictest1635087-21kworker/7:0+events21:06:3513
1596621994034,3cyclictest1962532-21kworker/7:0+events00:35:0713
159661399404,25cyclictest0-21swapper/522:51:5011
159661399404,25cyclictest0-21swapper/521:23:5711
1596621993937,2cyclictest1635087-21kworker/7:0+events20:31:2313
1596621993937,0cyclictest1795297-21kworker/7:0+events22:10:4513
1596621993937,0cyclictest1795297-21kworker/7:0+events22:10:4513
1596621993934,3cyclictest1904676-21kworker/7:2+events23:01:3113
1596621993934,3cyclictest1887930-21kworker/7:0+events22:43:0913
1596621993933,3cyclictest1518832-21kworker/7:2+events19:40:1213
1596621993926,11cyclictest1962532-21kworker/7:0+events23:30:0513
1596621993925,11cyclictest1962532-21kworker/7:0+events00:30:1913
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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