You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-03 - 17:58
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 50 highest latencies:
System rack0slot2.osadl.org (updated Sun May 03, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303265925847,7sleep40-21swapper/407:03:534
304150425545,7sleep50-21swapper/507:04:505
3042074995248,3cyclictest3360587-21kworker/u16:0+flush-8:011:38:456
3042074995248,3cyclictest3360587-21kworker/u16:0+flush-8:011:38:456
3042066994341,2cyclictest3626738-21kworker/u16:1+flush-8:011:54:164
3042066994240,2cyclictest3494213-21kworker/u16:4+events_unbound11:16:014
3042066994139,2cyclictest3494213-21kworker/u16:4+flush-8:011:34:454
3042066994139,2cyclictest3494213-21kworker/u16:4+flush-8:011:34:454
30415532417,29sleep70-21swapper/707:05:337
3042066993937,2cyclictest3493917-21kworker/u16:3+flush-8:010:50:534
3042066993836,2cyclictest3747913-21kworker/u16:3+events_unbound12:33:014
3042066993836,2cyclictest3360587-21kworker/u16:0+events_unbound10:03:414
3042066993735,2cyclictest3372747-21kworker/u16:5+events_unbound10:07:084
3042066993734,2cyclictest2775326-21kworker/u16:3+events_unbound07:54:014
3042066993634,2cyclictest3360587-21kworker/u16:0+flush-8:010:57:124
3042066993634,2cyclictest3064997-21kworker/u16:2+flush-8:007:28:464
3042066993634,2cyclictest3064997-21kworker/u16:2+flush-8:007:28:464
3042066993633,2cyclictest3360587-21kworker/u16:0+events_unbound12:38:084
3042079993429,4cyclictest3602634-21latency_hist11:23:467
3042074993432,2cyclictest3360587-21kworker/u16:0+flush-8:011:33:456
3042066993433,1cyclictest3493917-21kworker/u16:3+events_unbound11:21:454
3042066993432,2cyclictest3372747-21kworker/u16:5+flush-8:009:56:374
3042066993432,2cyclictest3360587-21kworker/u16:0+events_unbound11:40:214
3042074993330,2cyclictest3312079-21kworker/u16:1+events_unbound10:24:006
3042069993331,2cyclictest3122573-21kworker/u16:2+flush-8:008:07:335
3042066993331,2cyclictest3312079-21kworker/u16:1+events_unbound09:51:014
3042066993331,2cyclictest3170796-21kworker/u16:3+events_unbound08:23:414
3042066993230,2cyclictest3360587-21kworker/u16:0+events_unbound11:29:564
3042069993129,2cyclictest3312079-21kworker/u16:1+events_unbound10:34:165
3042066993129,2cyclictest3638878-21kworker/u16:5+events_unbound12:18:284
3042066993129,2cyclictest3638878-21kworker/u16:5+events_unbound12:18:284
3042066993129,2cyclictest3150837-21kworker/u16:0+flush-8:008:03:454
3042066993129,2cyclictest3122573-21kworker/u16:2+flush-8:009:32:334
3042074993027,2cyclictest3150837-21kworker/u16:0+events_unbound08:49:046
3042066993029,1cyclictest3493917-21kworker/u16:3+events_unbound11:27:294
3042066993028,2cyclictest3360587-21kworker/u16:0+flush-8:012:11:164
3042066993028,2cyclictest3122573-21kworker/u16:2+flush-8:009:10:534
3042079992928,0cyclictest0-21swapper/711:09:127
3042066992927,2cyclictest3638878-21kworker/u16:5+flush-8:012:22:524
3042066992927,2cyclictest3494213-21kworker/u16:4+flush-8:010:59:204
3042066992927,2cyclictest3494213-21kworker/u16:4+events_unbound11:08:324
3042066992927,2cyclictest3360587-21kworker/u16:0+events_unbound10:35:284
3042066992927,2cyclictest3122573-21kworker/u16:2+events_unbound09:35:014
3042066992927,2cyclictest3122573-21kworker/u16:2+events_unbound09:35:014
3042074992825,3cyclictest3150837-21kworker/u16:0+flush-8:008:28:416
3042074992825,3cyclictest3122573-21kworker/u16:2+flush-8:008:18:416
3042074992825,2cyclictest3360587-21kworker/u16:0+events_unbound11:48:596
3042069992825,2cyclictest3170796-21kworker/u16:3+events_unbound09:18:585
3042066992826,2cyclictest3360587-21kworker/u16:0+events_unbound10:31:404
3042066992826,2cyclictest3360587-21kworker/u16:0+events_unbound10:25:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional