You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-27 - 14:06
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 Fri Mar 27, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1162415995751,5cyclictest1565324-21latency_hist10:12:587
116196025545,7sleep50-21swapper/507:00:545
116191225242,7sleep40-21swapper/407:00:134
1162411995048,2cyclictest1328432-21kworker/u16:5+flush-8:010:08:296
1162405995047,2cyclictest1591320-21kworker/u16:3+flush-8:011:22:594
1162411994846,2cyclictest1794763-21kworker/u16:2+events_unbound12:27:056
1162411994846,2cyclictest1794763-21kworker/u16:2+events_unbound12:27:056
16335972470,0sleep71633599-21cut10:38:197
116187724737,7sleep60-21swapper/606:59:436
1162411994644,2cyclictest1551797-21kworker/u16:2+events_unbound10:40:046
1162411994642,3cyclictest430325-21kworker/u16:0+flush-8:007:32:596
1162411994642,3cyclictest430325-21kworker/u16:0+flush-8:007:32:596
1162415994539,5cyclictest1686113-21latency_hist11:02:587
1162415994539,5cyclictest1686113-21latency_hist11:02:587
1162411994543,2cyclictest1816813-21kworker/u16:3+events_unbound11:55:166
1162411994543,2cyclictest1493126-21kworker/u16:1+events_unbound10:03:236
1162411994442,2cyclictest1721753-21kworker/u16:1+events_unbound11:52:496
1162411994341,2cyclictest1591320-21kworker/u16:3+events_unbound10:52:526
1162411994341,2cyclictest1551797-21kworker/u16:2+events_unbound10:21:246
1162411994341,2cyclictest1551797-21kworker/u16:2+events_unbound10:21:246
1162411994240,2cyclictest1794763-21kworker/u16:2+flush-8:012:28:326
1162411994240,2cyclictest1770777-21kworker/u16:0+events_unbound12:14:256
1162411994240,2cyclictest1721753-21kworker/u16:1+events_unbound11:19:136
1162411994240,2cyclictest1637937-21kworker/u16:0+events_unbound11:12:486
1162411994240,2cyclictest1591320-21kworker/u16:3+events_unbound10:34:496
1162411994240,2cyclictest1328432-21kworker/u16:5+events_unbound09:39:296
1162411994240,2cyclictest1328432-21kworker/u16:5+events_unbound09:39:296
1162411994139,2cyclictest1770777-21kworker/u16:0+events_unbound12:11:166
1162411994139,2cyclictest1770777-21kworker/u16:0+events_unbound11:46:526
1162411994139,2cyclictest1432563-21kworker/u16:0+events_unbound09:24:416
1162411994038,2cyclictest1770777-21kworker/u16:0+events_unbound12:06:346
1162411994038,2cyclictest1662311-21kworker/u16:2+events_unbound10:59:486
1162411994038,2cyclictest1662311-21kworker/u16:2+events_unbound10:59:486
1162411994038,2cyclictest1637937-21kworker/u16:0+events_unbound10:53:056
1162411994038,2cyclictest1591320-21kworker/u16:3+events_unbound10:44:126
1162411994038,2cyclictest1551797-21kworker/u16:2+events_unbound10:24:166
1162411994038,2cyclictest1493126-21kworker/u16:1+events_unbound09:56:096
1162411994038,2cyclictest1432563-21kworker/u16:0+events_unbound09:21:346
1162411994038,2cyclictest1319358-21kworker/u16:3+events_unbound09:07:496
11618872404,31sleep70-21swapper/706:59:527
1162415993938,0cyclictest0-21swapper/712:03:487
1162411993937,2cyclictest1830928-21kworker/u16:1+events_unbound12:20:176
1162411993937,2cyclictest1816813-21kworker/u16:3+events_unbound12:02:286
1162411993937,2cyclictest1721753-21kworker/u16:1+events_unbound11:25:456
1162411993937,2cyclictest1591320-21kworker/u16:3+events_unbound11:14:046
1162411993937,2cyclictest1493126-21kworker/u16:1+events_unbound10:16:466
1162411993937,2cyclictest1493126-21kworker/u16:1+events_unbound10:00:026
1162411993937,2cyclictest1444248-21kworker/u16:2+events_unbound09:51:106
1162411993937,2cyclictest1432563-21kworker/u16:0+events_unbound09:36:136
1162411993937,2cyclictest1357888-21kworker/u16:1+events_unbound09:16:006
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional