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2026-01-14 - 13:57
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 50 highest latencies:
System rack0slot2.osadl.org (updated Wed Jan 14, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249967525319,30sleep70-21swapper/707:06:207
249950325241,8sleep40-21swapper/407:03:524
249957924939,7sleep60-21swapper/607:04:596
2500087994846,2cyclictest2771108-21kworker/u16:0+events_unbound09:37:585
250009699460,44cyclictest2925707-21latency_hist10:27:457
249956924434,7sleep50-21swapper/507:04:505
2500087994341,2cyclictest3173206-21kworker/u16:2+flush-8:012:25:075
2500087994341,2cyclictest2938149-21kworker/u16:4+events_unbound10:37:585
2500087994341,2cyclictest2938149-21kworker/u16:4+events_unbound10:36:595
2500087994341,2cyclictest2678997-21kworker/u16:3+events_unbound09:52:295
2500087994341,2cyclictest2678997-21kworker/u16:3+events_unbound09:52:295
2500092994240,2cyclictest3160473-21kworker/u16:4+events_unbound12:36:516
2500092994240,2cyclictest3160473-21kworker/u16:4+events_unbound12:36:516
2500092994240,2cyclictest3158014-21kworker/u16:2+events_unbound12:00:246
2500092994240,2cyclictest2737235-21kworker/u16:4+events_unbound09:16:086
2500092994240,2cyclictest2678997-21kworker/u16:3+events_unbound09:52:476
2500087994240,2cyclictest3010270-21kworker/u16:1+events_unbound11:10:245
25979272410,1sleep50-21swapper/507:53:055
2500092994139,2cyclictest3173206-21kworker/u16:2+flush-8:012:12:196
2500092994139,2cyclictest3160473-21kworker/u16:4+flush-8:012:28:366
2500092994139,2cyclictest2789808-21kworker/u16:4+events_unbound09:36:286
2500092994139,2cyclictest2678997-21kworker/u16:3+events_unbound11:48:276
2500092994139,2cyclictest2678997-21kworker/u16:3+events_unbound09:47:286
2500092994139,2cyclictest2678997-21kworker/u16:3+events_unbound09:38:516
2500092994138,2cyclictest3160473-21kworker/u16:4+events_unbound12:05:156
2500087994139,2cyclictest3061921-21kworker/u16:2+events_unbound11:30:595
2500087994138,2cyclictest3160473-21kworker/u16:4+flush-8:012:07:455
2500096994033,6cyclictest3024515-21latency_hist11:07:457
2500087994038,2cyclictest3010270-21kworker/u16:1+events_unbound11:04:195
2500087994038,2cyclictest2850534-21kworker/u16:2+events_unbound10:15:475
2500087994038,2cyclictest2827216-21kworker/u16:1+events_unbound10:07:075
2500087994038,2cyclictest2678997-21kworker/u16:3+events_unbound11:02:435
2500092993937,2cyclictest3160473-21kworker/u16:4+events_unbound12:22:276
2500092993937,2cyclictest3010270-21kworker/u16:1+events_unbound11:30:086
2500092993937,2cyclictest3010270-21kworker/u16:1+events_unbound11:23:596
2500092993937,2cyclictest3010270-21kworker/u16:1+events_unbound11:18:486
2500092993937,2cyclictest2678997-21kworker/u16:3+events_unbound11:55:196
2500092993937,2cyclictest2678997-21kworker/u16:3+events_unbound11:40:596
2500092993937,2cyclictest2678997-21kworker/u16:3+events_unbound09:09:086
2500087993937,2cyclictest3010270-21kworker/u16:1+flush-8:011:48:115
2500087993937,2cyclictest2678997-21kworker/u16:3+events_unbound09:59:125
2500092993836,2cyclictest3197949-21kworker/u16:1+events_unbound12:22:586
2500092993836,2cyclictest3010270-21kworker/u16:1+events_unbound11:10:166
2500092993836,2cyclictest2962777-21kworker/u16:2+events_unbound10:54:036
2500092993836,2cyclictest2678997-21kworker/u16:3+events_unbound11:01:316
2500092993836,2cyclictest2678997-21kworker/u16:3+events_unbound10:09:286
2500092993836,2cyclictest2678997-21kworker/u16:3+events_unbound10:07:426
2500087993836,2cyclictest3197949-21kworker/u16:1+events_unbound12:33:555
2500087993836,2cyclictest3197949-21kworker/u16:1+events_unbound12:33:555
2500087993836,2cyclictest2678997-21kworker/u16:3+events_unbound10:50:385
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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