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2023-06-06 - 18:11

x86 Intel Core i9-9900K @3600 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of system in rack #0, slot #8
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Up99 -i200 -h400 -q done
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 rack0slot8.osadl.org (updated Tue Jun 06, 2023 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1861738994280,425cyclictest0-21swapper/810:04:5514
1861738994280,425cyclictest0-21swapper/810:04:5514
1861745994240,0cyclictest0-21swapper/1508:55:007
186172999423423,0cyclictest2002096-21turbostat09:49:558
186174599422421,1cyclictest0-21swapper/1510:25:017
186174599422421,1cyclictest0-21swapper/1509:55:007
186173099422422,0cyclictest2087340-21turbostat11:24:559
186172799422420,2cyclictest1983962-21turbostat09:29:550
186172899421419,2cyclictest0-21swapper/108:34:551
186174399420418,2cyclictest1997742-21turbostat09:44:555
186174599419418,1cyclictest0-21swapper/1512:25:007
186173699419418,1cyclictest2047191-21turbostat10:35:0113
186173399419417,2cyclictest1943804-21turbostat08:44:5511
186174599418416,2cyclictest0-21swapper/1509:34:597
186174399418416,1cyclictest2047191-21turbostat10:39:565
186173899418416,2cyclictest0-21swapper/811:29:5514
186174599415414,1cyclictest0-21swapper/1510:40:017
186174599414413,1cyclictest0-21swapper/1511:00:017
186174599414413,1cyclictest0-21swapper/1509:14:597
186174599413412,1cyclictest0-21swapper/1509:19:597
186174599410409,1cyclictest0-21swapper/1510:30:017
186174599408407,1cyclictest0-21swapper/1509:50:007
186174599408407,1cyclictest0-21swapper/1509:44:597
186174599408406,2cyclictest0-21swapper/1512:00:007
186174199408408,0cyclictest2150868-21turbostat12:34:543
186174599406405,1cyclictest0-21swapper/1511:30:007
186174599405404,1cyclictest0-21swapper/1511:15:007
186173999405401,3cyclictest0-21swapper/908:46:3715
186174599402401,1cyclictest0-21swapper/1511:55:007
186174399401401,0cyclictest0-21swapper/1311:49:555
186173999400399,1cyclictest1970830-21turbostat09:14:5415
186173499400399,1cyclictest1988819-21kworker/u32:009:46:0712
186174099399397,2cyclictest1948222-21turbostat08:49:552
186174299398394,3cyclictest0-21swapper/1210:55:014
186173099398398,0cyclictest0-21swapper/310:54:569
186172999398396,2cyclictest2042789-21turbostat10:34:568
186172999397396,1cyclictest2128375-21turbostat12:09:548
186173099395393,2cyclictest2029002-21turbostat10:19:569
186174599394393,1cyclictest0-21swapper/1512:04:597
186174599394390,4cyclictest1979561-21turbostat09:24:547
186174599393390,3cyclictest1939457-21turbostat08:39:557
186174399388386,2cyclictest0-21swapper/1309:04:555
186174099388386,2cyclictest0-21swapper/1011:29:552
186174599386385,1cyclictest0-21swapper/1512:35:007
1861745993850,385cyclictest0-21swapper/1508:59:597
186174299385384,0cyclictest0-21swapper/1209:59:564
186172799385380,5cyclictest2015867-21turbostat10:04:560
186172799385380,5cyclictest2015867-21turbostat10:04:560
186172999383382,1cyclictest0-21swapper/210:49:568
186173099382382,0cyclictest0-21swapper/310:44:559
1861745993810,381cyclictest0-21swapper/1511:40:007
186174599380379,1cyclictest0-21swapper/1511:44:597
186173299380380,0cyclictest1930056-21turbostat08:29:5510
186174599379378,1cyclictest0-21swapper/1512:15:007
186173899379378,1cyclictest0-21swapper/811:39:5414
186172899378377,1cyclictest2024631-21turbostat10:14:561
1861745993770,377cyclictest0-21swapper/1510:45:017
186174199377375,2cyclictest0-21swapper/1111:59:553
186172799377371,6cyclictest2091741-21turbostat11:29:550
186173699376375,1cyclictest0-21swapper/710:59:5513
186172899375374,1cyclictest0-21swapper/109:39:551
1861745993740,374cyclictest0-21swapper/1512:40:007
1861745993730,373cyclictest0-21swapper/1509:29:597
186173699373372,1cyclictest1930056-21turbostat08:25:0013
1861745993720,372cyclictest0-21swapper/1510:15:017
186174299372370,2cyclictest1952617-21turbostat08:54:554
186174299371369,1cyclictest0-21swapper/1210:06:364
186174299371369,1cyclictest0-21swapper/1210:06:364
186174399370370,0cyclictest0-21swapper/1310:29:565
186173899368367,1cyclictest1912340-21kworker/u32:309:20:0614
186173899367365,1cyclictest0-21swapper/811:11:2514
186174299363362,1cyclictest2096753-21munin-run11:29:594
186174299363360,1cyclictest0-21swapper/1209:45:004
186173899362361,1cyclictest1893868-21kworker/u32:112:06:4614
186173399361354,3cyclictest0-21swapper/510:55:0011
186173899360358,2cyclictest1916880-21turbostat08:14:5514
186173299358356,2cyclictest1921245-21turbostat08:19:5510
186173099358358,0cyclictest0-21swapper/311:54:559
186173699356355,1cyclictest1921245-21turbostat08:15:0013
186173499356353,3cyclictest5198-21Xorg08:11:0412
186172999354352,2cyclictest0-21swapper/208:49:558
186174399350348,2cyclictest1975172-21turbostat09:19:555
186174299350350,0cyclictest0-21swapper/1211:09:554
186174099350348,2cyclictest2137071-21turbostat12:19:542
186174599349349,0cyclictest0-21swapper/1512:06:457
1861745993470,347cyclictest0-21swapper/1510:35:017
186174199344342,2cyclictest0-21swapper/1112:29:553
186172999344342,2cyclictest26750irq/127-xhci_hc11:29:558
186172899342342,0cyclictest2006481-21turbostat09:54:561
186174199340338,2cyclictest2105698-21turbostat11:44:553
186174099340339,1cyclictest0-21swapper/1009:06:272
186173099340340,0cyclictest0-21swapper/312:34:549
186174099339339,0cyclictest0-21swapper/1009:14:552
186174099338337,1cyclictest0-21swapper/1009:20:072
186174099337336,1cyclictest0-21swapper/1009:46:072
186173699337336,1cyclictest2020277-21turbostat10:05:0013
186173699337336,1cyclictest2020277-21turbostat10:05:0013
186174099335335,0cyclictest0-21swapper/1011:11:252
186174099334334,0cyclictest0-21swapper/1008:11:112
186172799334332,2cyclictest2101329-21turbostat11:39:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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