You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-01 - 01:50
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 rack0slot2.osadl.org (updated Wed Apr 01, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57987625948,7sleep60-21swapper/618:57:456
57987625948,7sleep60-21swapper/618:57:456
589272995143,7cyclictest1075612-21latency_hist22:47:407
58875325039,7sleep40-21swapper/418:59:514
58875325039,7sleep40-21swapper/418:59:514
58881024736,8sleep50-21swapper/519:00:405
58881024736,8sleep50-21swapper/519:00:405
589266994642,3cyclictest1096601-21kworker/u16:4+flush-8:023:12:415
589261994543,2cyclictest906539-21kworker/u16:3+events_unbound21:41:124
589261994441,2cyclictest906539-21kworker/u16:3+events_unbound21:57:434
589261994341,2cyclictest927537-21kworker/u16:1+events_unbound22:27:044
589261994341,2cyclictest1096601-21kworker/u16:4+events_unbound23:10:434
589261994240,2cyclictest836108-21kworker/u16:3+events_unbound21:20:124
589261994240,2cyclictest726899-21kworker/u16:0+events_unbound22:12:234
589261994240,2cyclictest1184539-21kworker/u16:4+events_unbound23:39:484
589272994135,5cyclictest1283826-21latency_hist00:17:407
589261994139,2cyclictest906539-21kworker/u16:3+events_unbound21:49:034
589261994139,2cyclictest1305524-21kworker/u16:2+events_unbound00:27:274
589261994139,2cyclictest1217068-21kworker/u16:1+events_unbound23:45:424
589261994139,2cyclictest1096601-21kworker/u16:4+events_unbound23:07:184
589261994139,2cyclictest1063567-21kworker/u16:1+events_unbound23:20:194
589266994038,2cyclictest906539-21kworker/u16:3+events_unbound22:32:365
589261994038,2cyclictest726899-21kworker/u16:0+events_unbound22:41:244
589261994038,2cyclictest602793-21kworker/u16:1+events_unbound21:26:134
589261994038,2cyclictest1284254-21kworker/u16:1+events_unbound00:19:544
589261994038,2cyclictest1232524-21kworker/u16:2+events_unbound23:57:394
589261994037,2cyclictest1217068-21kworker/u16:1+events_unbound23:57:554
589261993937,2cyclictest726899-21kworker/u16:0+events_unbound21:54:044
589261993937,2cyclictest602793-21kworker/u16:1+events_unbound21:32:074
589261993937,2cyclictest602793-21kworker/u16:1+events_unbound21:16:274
589261993937,2cyclictest1146853-21kworker/u16:0+events_unbound00:05:084
589261993937,2cyclictest1041089-21kworker/u16:2+events_unbound22:34:354
589261993836,2cyclictest906539-21kworker/u16:3+events_unbound22:44:244
589261993836,2cyclictest803072-21kworker/u16:2+events_unbound21:05:564
589261993836,2cyclictest726899-21kworker/u16:0+events_unbound21:45:324
589261993836,2cyclictest1146853-21kworker/u16:0+events_unbound00:28:554
5799082383,30sleep70-21swapper/718:57:547
5799082383,30sleep70-21swapper/718:57:547
589272993731,5cyclictest598653-21latency_hist19:07:427
58927299371,34cyclictest918566-21latency_hist21:42:417
589267993735,2cyclictest858594-21kworker/u16:2+flush-8:021:28:076
589266993735,1cyclictest602793-21kworker/u16:1+events_unbound21:22:445
589261993735,2cyclictest906539-21kworker/u16:3+events_unbound22:55:244
589261993735,2cyclictest906539-21kworker/u16:3+events_unbound22:55:244
589261993735,2cyclictest906539-21kworker/u16:3+events_unbound22:17:394
589261993735,2cyclictest858594-21kworker/u16:2+events_unbound21:34:364
589261993735,2cyclictest1160084-21kworker/u16:3+events_unbound23:28:164
589266993633,2cyclictest726899-21kworker/u16:0+flush-8:021:52:515
589261993634,2cyclictest979001-21kworker/u16:2+events_unbound22:21:554
589261993634,2cyclictest1160084-21kworker/u16:3+events_unbound23:25:554
589261993634,2cyclictest1146853-21kworker/u16:0+events_unbound00:11:224
589261993634,2cyclictest1110290-21kworker/u16:0+events_unbound23:01:204
589267993532,2cyclictest569986-21kworker/u16:3+events_unbound19:22:566
589267993532,2cyclictest569986-21kworker/u16:3+events_unbound19:22:566
589266993533,2cyclictest560138-21kworker/u16:2+flush-8:019:32:415
589261993533,2cyclictest927537-21kworker/u16:1+events_unbound22:03:354
589261993533,2cyclictest726899-21kworker/u16:0+events_unbound22:28:364
589261993533,2cyclictest726899-21kworker/u16:0+events_unbound21:10:164
589261993432,2cyclictest1242110-21kworker/u16:3+events_unbound00:13:444
589261993432,2cyclictest1193689-21kworker/u16:6+events_unbound23:35:124
589261993432,2cyclictest1193689-21kworker/u16:6+events_unbound23:35:124
589261993432,2cyclictest1146853-21kworker/u16:0+events_unbound23:17:084
58927299330,31cyclictest1271787-21latency_hist00:12:407
589266993331,2cyclictest1217068-21kworker/u16:1+events_unbound23:43:565
589266993329,3cyclictest1193689-21kworker/u16:6+events_unbound23:38:005
589272993228,3cyclictest650-21systemd-journal22:52:357
589261993230,2cyclictest1184539-21kworker/u16:4+events_unbound23:48:384
589261993230,2cyclictest1063567-21kworker/u16:1+events_unbound22:51:364
589266993129,2cyclictest745842-21kworker/u16:3+events_unbound20:37:365
589266993129,2cyclictest1217068-21kworker/u16:1+flush-8:023:48:425
589261993129,2cyclictest688516-21kworker/u16:0+events_unbound19:53:554
589266993028,2cyclictest906539-21kworker/u16:3+events_unbound22:38:125
589266992927,2cyclictest927537-21kworker/u16:1+flush-8:022:17:475
589266992926,2cyclictest726899-21kworker/u16:0+flush-8:021:12:475
589261992927,2cyclictest602793-21kworker/u16:1+events_unbound19:33:554
589267992825,2cyclictest726899-21kworker/u16:0+flush-8:022:12:556
589266992826,2cyclictest1146853-21kworker/u16:0+events_unbound00:03:015
589266992826,2cyclictest1063567-21kworker/u16:1+events_unbound23:03:565
589266992825,2cyclictest1217068-21kworker/u16:1+events_unbound23:57:475
589266992825,2cyclictest1146853-21kworker/u16:0+events_unbound00:22:535
589266992725,2cyclictest1232524-21kworker/u16:2+flush-8:000:07:565
589261992725,2cyclictest698341-21kworker/u16:4+events_unbound20:08:114
589261992725,2cyclictest698341-21kworker/u16:4+events_unbound20:08:114
589261992725,2cyclictest569986-21kworker/u16:3+events_unbound19:38:524
589261992724,2cyclictest745842-21kworker/u16:3+flush-8:020:42:414
589266992623,2cyclictest602793-21kworker/u16:1+flush-8:021:32:415
589272992520,4cyclictest650-21systemd-journal22:27:357
589267992521,3cyclictest1063567-21kworker/u16:1+events_unbound22:58:036
589266992523,2cyclictest726899-21kworker/u16:0+flush-8:021:08:155
589266992521,3cyclictest858594-21kworker/u16:2+events_unbound21:37:535
589261992523,2cyclictest726899-21kworker/u16:0+events_unbound20:58:054
589261992522,2cyclictest726899-21kworker/u16:0+events_unbound20:47:594
589261992522,2cyclictest560138-21kworker/u16:2+flush-8:019:47:524
589272992421,2cyclictest124-21kswapd022:17:557
589266992423,1cyclictest803072-21kworker/u16:2+events_unbound21:03:515
589266992422,2cyclictest1146853-21kworker/u16:0+flush-8:023:22:475
589261992421,2cyclictest560138-21kworker/u16:2+events_unbound19:12:514
589267992321,2cyclictest1063567-21kworker/u16:1+events_unbound23:33:096
589267992321,2cyclictest1063567-21kworker/u16:1+events_unbound23:33:096
589266992321,2cyclictest906539-21kworker/u16:3+events_unbound21:58:075
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional