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2023-12-03 - 10:59
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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 50 highest latencies:
System rack0slot8.osadl.org (updated Sun Oct 15, 2023 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190851999439438,1cyclictest1954340-21kworker/7:208:00:0613
190851999438437,1cyclictest1069583-21kworker/7:007:30:0613
190852799434434,0cyclictest0-21swapper/1308:00:055
1908529994300,1cyclictest0-21swapper/1509:55:227
190850899430426,4cyclictest1931838-21kworker/u32:007:49:550
1908529994290,428cyclictest0-21swapper/1508:09:567
190852999427414,13cyclictest0-21swapper/1508:19:567
190851899427426,1cyclictest2045872-21kworker/u32:009:55:2112
190851399422421,1cyclictest26750irq/127-xhci_hc07:49:568
190852999421409,12cyclictest0-21swapper/1507:49:567
1908529994210,421cyclictest0-21swapper/1508:15:017
1908529994200,420cyclictest0-21swapper/1507:35:177
190851999420419,1cyclictest1069583-21kworker/7:007:39:5613
190850899420415,5cyclictest188147-40tracker-miner-f07:39:550
190851499418417,1cyclictest1895264-21kworker/u32:207:33:409
1908529994170,417cyclictest0-21swapper/1511:55:017
190851899416415,1cyclictest1922476-21kworker/u32:107:35:1812
1908529994150,414cyclictest0-21swapper/1507:55:017
1908529994110,411cyclictest0-21swapper/1508:00:057
1908529994110,410cyclictest0-21swapper/1507:30:057
190852499411409,2cyclictest0-21swapper/1008:24:562
190850899411408,3cyclictest188147-40tracker-miner-f11:49:560
190851399410409,1cyclictest26750irq/127-xhci_hc08:00:068
190851399407407,0cyclictest0-21swapper/211:39:568
1908529994040,403cyclictest0-21swapper/1508:00:007
190851199398397,1cyclictest188147-40tracker-miner-f07:42:341
190851999396394,2cyclictest1940646-21turbostat07:45:0113
190851199396396,0cyclictest0-21swapper/110:01:341
190851199394394,0cyclictest0-21swapper/108:04:071
190851999391390,1cyclictest1069583-21kworker/7:007:59:5613
190851999391388,2cyclictest1922513-21turbostat07:24:5913
190851699391390,1cyclictest188147-40tracker-miner-f11:38:0411
190851699391390,1cyclictest188147-40tracker-miner-f07:46:4111
190852499390388,1cyclictest1958788-21turbostat08:09:552
190851999389388,1cyclictest1069583-21kworker/7:007:19:5613
190851499389389,0cyclictest2162623-21turbostat11:54:569
190852599386386,0cyclictest0-21swapper/1107:34:553
1908528993850,385cyclictest0-21swapper/1409:55:226
190852899383383,0cyclictest0-21swapper/1408:19:566
190852799379379,0cyclictest1945034-21turbostat07:54:565
190852899378378,0cyclictest0-21swapper/1407:49:566
190852199376375,1cyclictest0-21swapper/907:39:5615
190852099376375,1cyclictest1908135-21kworker/u32:308:19:5614
1908528993740,374cyclictest0-21swapper/1407:35:176
190852099372372,0cyclictest0-21swapper/811:59:5514
190851399372372,0cyclictest0-21swapper/211:44:558
190852699370369,1cyclictest1908079-21turbostat07:14:554
190852099370370,0cyclictest0-21swapper/807:49:5514
190850899370366,4cyclictest1922476-21kworker/u32:107:59:560
1908529993690,368cyclictest0-21swapper/1507:45:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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