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2024-06-22 - 04:43
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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 100 highest latencies:
System rack0slot4.osadl.org (updated Fri Jun 21, 2024 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25513432404382,14sleep30-21swapper/319:06:529
25513412365357,5sleep10-21swapper/119:06:491
25512762359313,15sleep60-21swapper/619:06:0512
25512382357312,37sleep150-21swapper/1519:05:427
25515392356314,32sleep40-21swapper/419:09:1810
25513532355313,14sleep110-21swapper/1119:07:003
25512362349325,15sleep130-21swapper/1319:05:405
25514382342318,15sleep140-21swapper/1419:08:066
25515412341317,15sleep50-21swapper/519:09:1811
25515202339316,14sleep80-21swapper/819:09:0614
25513892339317,14sleep100-21swapper/1019:07:302
25512352339315,16sleep120-21swapper/1219:05:404
25479442339315,15sleep70-21swapper/719:05:0313
25514412336311,16sleep00-21swapper/019:08:080
25513422335313,14sleep20-21swapper/219:06:518
25513062334311,15sleep90-21swapper/919:06:2615
255202599424,25cyclictest0-21swapper/1522:22:447
2551995993939,0cyclictest0-21swapper/621:53:3312
2551995993939,0cyclictest0-21swapper/619:11:3912
2552012993838,0cyclictest0-21swapper/1119:45:233
2552012993737,0cyclictest0-21swapper/1100:13:383
255202599360,25cyclictest0-21swapper/1519:48:587
255199599364,32cyclictest0-21swapper/622:59:0212
2551995993636,0cyclictest0-21swapper/623:25:5012
2551995993636,0cyclictest0-21swapper/623:25:5012
2551995993636,0cyclictest0-21swapper/623:13:1012
255199599360,36cyclictest0-21swapper/621:20:1212
2552012993535,0cyclictest0-21swapper/1123:05:313
2551995993535,0cyclictest0-21swapper/619:38:2912
2552012993434,0cyclictest0-21swapper/1123:52:303
2552012993434,0cyclictest0-21swapper/1119:10:223
2551995993434,0cyclictest0-21swapper/620:07:1812
2552012993333,0cyclictest0-21swapper/1122:25:023
2552012993333,0cyclictest0-21swapper/1120:00:123
2552012993333,0cyclictest0-21swapper/1120:00:113
255200999330,30cyclictest0-21swapper/1021:40:182
255200099333,29cyclictest0-21swapper/721:40:0213
2551995993333,0cyclictest0-21swapper/623:22:2612
2551995993333,0cyclictest0-21swapper/623:22:2612
2552012993232,0cyclictest0-21swapper/1123:57:263
2552012993232,0cyclictest0-21swapper/1123:33:473
2552012993232,0cyclictest0-21swapper/1121:20:113
2552012993232,0cyclictest0-21swapper/1121:15:403
2552012993232,0cyclictest0-21swapper/1120:42:543
2551995993232,0cyclictest0-21swapper/619:50:5812
2551995993232,0cyclictest0-21swapper/619:50:5812
255199599320,32cyclictest0-21swapper/622:04:1912
2551982993231,1cyclictest2743409-21kworker/u32:3+flush-259:022:50:218
2552012993129,1cyclictest2717223-21kworker/u32:0+events_unbound22:35:203
2551995993131,0cyclictest0-21swapper/622:05:3812
255201599300,29cyclictest0-21swapper/1222:45:284
2552012993030,0cyclictest2565982-21kworker/11:2-events22:05:373
2552012993030,0cyclictest0-21swapper/1122:11:263
2552012993030,0cyclictest0-21swapper/1120:09:503
2552012993030,0cyclictest0-21swapper/1119:55:013
2552012993030,0cyclictest0-21swapper/1119:55:013
2552012993030,0cyclictest0-21swapper/1119:23:023
2552012993029,1cyclictest2724552-21kworker/u32:1+flush-259:022:45:213
2551995993029,1cyclictest0-21swapper/623:37:0012
255198599303,27cyclictest0-21swapper/300:38:059
255202599294,14cyclictest0-21swapper/1520:54:537
255201899290,29cyclictest0-21swapper/1322:45:205
2552015992926,3cyclictest0-21swapper/1219:10:194
255200099290,1cyclictest0-21swapper/700:19:1613
2551995992929,0cyclictest0-21swapper/620:20:2612
2551995992928,1cyclictest2551447-21kworker/u32:2+events_unbound19:25:1812
2551985992928,1cyclictest0-21swapper/323:06:049
255202599284,13cyclictest0-21swapper/1523:39:387
255202599284,13cyclictest0-21swapper/1520:32:557
2552021992827,1cyclictest3328766-21snmpd23:28:546
2552021992827,1cyclictest3328766-21snmpd23:28:546
2552021992826,1cyclictest3328766-21snmpd23:34:276
255202199280,27cyclictest0-21swapper/1422:24:116
255201899280,27cyclictest0-21swapper/1322:32:465
255201899280,27cyclictest0-21swapper/1300:14:275
2552015992826,1cyclictest0-21swapper/1220:53:204
2552012992828,0cyclictest2763402-21kworker/11:1-events00:01:563
2552009992827,1cyclictest3328766-21snmpd22:58:042
2552009992827,1cyclictest2573189-21nodedev-init19:30:182
255200599280,27cyclictest0-21swapper/919:20:0715
2552000992827,1cyclictest0-21swapper/719:51:1313
2552000992827,1cyclictest0-21swapper/719:51:1313
2552000992826,1cyclictest3328766-21snmpd19:58:2613
2552000992826,1cyclictest3328766-21snmpd19:58:2513
2552000992823,1cyclictest3328766-21snmpd22:42:1813
255200099280,27cyclictest0-21swapper/723:53:0013
255200099280,27cyclictest0-21swapper/722:36:1613
255200099280,27cyclictest0-21swapper/720:25:2013
2551995992828,0cyclictest0-21swapper/623:49:2212
2551995992828,0cyclictest0-21swapper/620:50:5812
2551995992825,3cyclictest0-21swapper/600:39:1412
2551992992827,1cyclictest3328766-21snmpd20:37:2311
2551992992827,1cyclictest2309558-21kworker/5:1+events21:35:1911
2551992992827,1cyclictest0-21swapper/520:53:5111
255199299280,27cyclictest0-21swapper/521:17:1611
255199299280,27cyclictest0-21swapper/519:34:0811
2551990992827,1cyclictest2745784-21ethtool22:50:1910
255198599280,27cyclictest0-21swapper/321:08:049
255198599280,27cyclictest0-21swapper/320:31:189
255198299280,27cyclictest0-21swapper/223:09:358
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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