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2026-02-09 - 03:03
[ 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 Mon Feb 09, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13681592940,0sleep60-21swapper/620:16:046
13681592940,0sleep60-21swapper/620:16:046
14048172920,0sleep40-21swapper/420:31:244
122874727447,7sleep40-21swapper/419:04:324
122854925747,7sleep50-21swapper/519:01:445
122043425419,29sleep70-21swapper/719:01:227
1229138994947,2cyclictest1435886-21kworker/u16:4+events_unbound22:11:306
1229131994743,3cyclictest1837351-21kworker/u16:5+flush-8:000:31:034
1229142994538,6cyclictest1339206-21latency_hist20:01:047
1229138994240,2cyclictest1610363-21kworker/u16:0+events_unbound22:16:296
1229138994138,2cyclictest1683349-21kworker/u16:2+flush-8:022:51:096
122874924131,7sleep60-21swapper/619:04:346
1229138994037,2cyclictest1837351-21kworker/u16:5+events_unbound00:31:066
1229138993937,2cyclictest1683349-21kworker/u16:2+events_unbound23:10:146
1229138993936,2cyclictest1300920-21kworker/u16:4+flush-8:019:51:046
1229138993836,2cyclictest1884478-21kworker/u16:3+events_unbound00:04:146
1229138993836,2cyclictest1683349-21kworker/u16:2+events_unbound23:16:026
1229138993836,2cyclictest1584915-21kworker/u16:3+events_unbound22:37:386
1229138993735,2cyclictest1683349-21kworker/u16:2+events_unbound23:26:496
1229138993735,2cyclictest1683349-21kworker/u16:2+events_unbound23:20:066
1229138993735,2cyclictest1670571-21kworker/u16:1+flush-8:023:46:036
1229138993735,2cyclictest1655769-21kworker/u16:5+events_unbound22:23:066
1229138993735,2cyclictest1610363-21kworker/u16:0+events_unbound22:36:026
1229138993634,2cyclictest1933495-21kworker/u16:1+events_unbound00:22:136
1229138993634,2cyclictest1683349-21kworker/u16:2+flush-8:022:41:506
1229138993634,2cyclictest1498630-21kworker/u16:1+events_unbound21:34:306
1229138993634,2cyclictest1435886-21kworker/u16:4+events_unbound21:21:016
1229138993533,2cyclictest1670571-21kworker/u16:1+events_unbound23:01:056
1229138993533,2cyclictest1610363-21kworker/u16:0+events_unbound22:10:226
1229138993533,2cyclictest1584915-21kworker/u16:3+flush-8:022:01:546
1229138993532,3cyclictest1498630-21kworker/u16:1+flush-8:021:26:046
1229142993433,0cyclictest0-21swapper/719:31:197
1229138993432,2cyclictest1825032-21kworker/u16:3+flush-8:023:32:016
1229138993432,2cyclictest1707402-21kworker/u16:4+events_unbound22:59:026
1229138993432,2cyclictest1707402-21kworker/u16:4+events_unbound22:59:026
1229138993432,2cyclictest1584865-21kworker/u16:2+events_unbound22:00:106
1229138993432,2cyclictest1498630-21kworker/u16:1+events_unbound21:36:066
1229138993432,2cyclictest1498630-21kworker/u16:1+events_unbound21:36:066
1229138993432,2cyclictest1435886-21kworker/u16:4+flush-8:021:11:466
1229138993331,2cyclictest1837351-21kworker/u16:5+flush-8:000:26:416
1229138993331,2cyclictest1837351-21kworker/u16:5+events_unbound00:19:506
1229138993331,2cyclictest1837351-21kworker/u16:5+events_unbound00:19:506
1229138993331,2cyclictest1670571-21kworker/u16:1+events_unbound23:39:336
1229138993331,2cyclictest1670571-21kworker/u16:1+events_unbound23:22:256
1229138993331,2cyclictest1435886-21kworker/u16:4+events_unbound21:45:296
1229131993331,2cyclictest1209645-21kworker/u16:2+flush-8:019:06:204
1229142993230,1cyclictest1788612-21ssh23:16:337
122914299320,31cyclictest1935666-21latency_hist00:21:037
122914299320,31cyclictest1935666-21latency_hist00:21:037
1229138993230,2cyclictest1884478-21kworker/u16:3+events_unbound00:12:546
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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