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2026-01-24 - 21:11
[ 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 Sat Jan 24, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415679021020,1sleep74156793-21cut11:37:307
354492525948,8sleep60-21swapper/607:03:396
354493225747,7sleep40-21swapper/407:03:454
354493325443,8sleep50-21swapper/507:03:465
354516325217,30sleep70-21swapper/707:07:017
3545468994947,2cyclictest3793954-21kworker/u16:1+flush-8:009:22:054
3545471994846,2cyclictest78034-21kworker/u16:3+flush-8:012:37:055
3545468994542,2cyclictest3927859-21kworker/u16:1+flush-8:010:17:064
3545471994442,2cyclictest4183808-21kworker/u16:2+events_unbound12:07:055
37465322400,0sleep73746533-21grep08:47:237
3545471993735,2cyclictest3952421-21kworker/u16:4+events_unbound10:42:245
3545477993530,4cyclictest4099080-21latency_hist11:17:057
3545472993331,2cyclictest3793954-21kworker/u16:1+flush-8:009:40:386
3545471993331,2cyclictest3781400-21kworker/u16:3+flush-8:009:17:055
3545471993329,3cyclictest3952421-21kworker/u16:4+flush-8:010:32:355
3545471993230,2cyclictest3781400-21kworker/u16:3+flush-8:010:22:315
3545471993129,2cyclictest4148201-21kworker/u16:0+flush-8:012:12:005
3545468993128,3cyclictest3952421-21kworker/u16:4+flush-8:011:07:334
3545472993028,2cyclictest3781400-21kworker/u16:3+flush-8:010:12:366
3545471993028,2cyclictest3927859-21kworker/u16:1+events_unbound11:48:065
3545471993027,2cyclictest4122593-21kworker/u16:2+flush-8:011:42:055
3545471993026,3cyclictest3559169-21kworker/u16:3+flush-8:007:42:065
3545468993027,2cyclictest4183808-21kworker/u16:2+flush-8:012:12:224
3545468993027,2cyclictest3781400-21kworker/u16:3+flush-8:009:47:224
3545477992928,0cyclictest0-21swapper/707:17:207
3545468992926,2cyclictest3952421-21kworker/u16:4+flush-8:011:22:344
3545477992827,0cyclictest0-21swapper/709:02:207
3545471992826,2cyclictest2820204-21kworker/u16:0+flush-8:007:47:305
3545471992826,2cyclictest2820204-21kworker/u16:0+flush-8:007:47:305
3545471992725,2cyclictest4122593-21kworker/u16:2+flush-8:011:32:335
3545468992725,2cyclictest2820204-21kworker/u16:0+flush-8:008:17:274
3545468992725,2cyclictest2820204-21kworker/u16:0+flush-8:007:12:064
3545468992724,2cyclictest4134116-21kworker/u16:5+events_unbound11:29:224
41838502250,1chrt4183848-21ssh11:50:127
3545477992523,1cyclictest3927044-21ssh10:05:397
3545477992520,4cyclictest650-21systemd-journal10:58:057
3545471992523,2cyclictest4013688-21kworker/u16:2+events_unbound11:07:365
3545471992523,2cyclictest3952421-21kworker/u16:4+flush-8:011:22:225
3545468992523,2cyclictest2820204-21kworker/u16:0+events_unbound07:12:324
39948432240,1chrt3994844-21kthreadcore10:32:307
3545471992423,1cyclictest3952421-21kworker/u16:4+events_unbound10:29:125
3545477992320,2cyclictest3561835-21grep07:12:237
3545471992321,2cyclictest3952421-21kworker/u16:4+flush-8:011:22:055
3545468992321,2cyclictest3559170-21kworker/u16:4+events_unbound07:27:294
38267442220,1chrt3826743-21ssh09:22:337
3545477992220,1cyclictest0-21swapper/708:57:237
3545477992217,4cyclictest650-21systemd-journal07:47:067
3545477992217,4cyclictest650-21systemd-journal07:47:067
354547799220,21cyclictest650-21systemd-journal11:27:057
3545472992220,2cyclictest2820204-21kworker/u16:0+flush-8:007:37:356
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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