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2026-01-28 - 07:07
[ 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 28, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20361572960,1sleep40-21swapper/419:31:524
1984135995347,5cyclictest2142522-21latency_hist20:26:527
1984129994947,2cyclictest2425592-21kworker/u16:3+events_unbound23:06:225
198381624737,7sleep60-21swapper/619:06:476
1984131994643,2cyclictest2560835-21kworker/u16:2+flush-8:000:07:126
1984129994341,2cyclictest2560811-21kworker/u16:1+events_unbound23:33:425
198367224314,8sleep40-21swapper/419:04:454
1984129994240,2cyclictest2609173-21kworker/u16:3+flush-8:023:58:245
1984129994240,2cyclictest2366257-21kworker/u16:1+flush-8:022:07:375
1984129994139,2cyclictest2560835-21kworker/u16:2+events_unbound00:11:335
1984129994139,2cyclictest2425592-21kworker/u16:3+events_unbound23:24:545
1984129994139,2cyclictest2241260-21kworker/u16:3+events_unbound21:27:295
1984129994038,2cyclictest2609173-21kworker/u16:3+events_unbound00:14:175
1984129994038,2cyclictest2560811-21kworker/u16:1+events_unbound23:38:415
1984129994038,2cyclictest2412561-21kworker/u16:0+events_unbound22:23:015
1984129993937,2cyclictest2560811-21kworker/u16:1+events_unbound23:53:175
1984129993937,2cyclictest2560811-21kworker/u16:1+events_unbound23:48:415
1984129993937,2cyclictest2412561-21kworker/u16:0+events_unbound22:35:415
1984129993937,2cyclictest2220312-21kworker/u16:2+events_unbound21:50:585
1984129993937,2cyclictest2200224-21kworker/u16:0+events_unbound21:19:385
1984129993936,2cyclictest2378823-21kworker/u16:2+events_unbound22:16:545
19838172393,31sleep70-21swapper/719:06:487
1984135993837,0cyclictest0-21swapper/721:52:057
1984129993836,2cyclictest2669988-21kworker/u16:4+flush-8:000:19:525
1984129993836,2cyclictest2560835-21kworker/u16:2+events_unbound23:28:125
1984129993836,2cyclictest2560835-21kworker/u16:2+events_unbound23:28:125
1984129993836,2cyclictest2474254-21kworker/u16:0+events_unbound22:59:525
1984129993836,2cyclictest2425541-21kworker/u16:2+events_unbound22:54:175
1984129993836,2cyclictest2366257-21kworker/u16:1+events_unbound22:12:535
1984129993836,2cyclictest2241260-21kworker/u16:3+events_unbound21:22:015
1984129993836,2cyclictest2200224-21kworker/u16:0+events_unbound21:33:375
1984129993835,2cyclictest2669988-21kworker/u16:4+events_unbound00:30:565
1984129993835,2cyclictest2425592-21kworker/u16:3+events_unbound22:40:215
198366423828,7sleep50-21swapper/519:04:385
1984129993735,2cyclictest2425592-21kworker/u16:3+events_unbound22:44:175
1984129993735,2cyclictest2200224-21kworker/u16:0+events_unbound21:14:375
1984129993735,2cyclictest2171517-21kworker/u16:4+events_unbound21:09:385
1984129993634,2cyclictest2669988-21kworker/u16:4+events_unbound00:24:215
1984129993634,2cyclictest2609173-21kworker/u16:3+events_unbound00:04:335
1984129993634,2cyclictest2425541-21kworker/u16:2+flush-8:022:30:495
1984129993634,2cyclictest2220312-21kworker/u16:2+flush-8:021:37:535
1984129993634,2cyclictest2200224-21kworker/u16:0+events_unbound21:45:015
1984129993533,2cyclictest2716141-21kworker/u16:1+flush-8:000:34:135
1984129993533,2cyclictest2488286-21kworker/u16:4+flush-8:023:07:495
1984129993533,2cyclictest2488286-21kworker/u16:4+events_unbound23:20:135
1984129993533,2cyclictest2425592-21kworker/u16:3+events_unbound22:50:015
1984129993533,2cyclictest2425592-21kworker/u16:3+events_unbound22:50:015
1984129993533,2cyclictest2340844-21kworker/u16:5+flush-8:022:03:415
1984129993533,2cyclictest2329597-21kworker/u16:3+events_unbound22:01:225
1984129993432,2cyclictest2582801-21kworker/u16:0+events_unbound23:46:445
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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