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2026-02-04 - 14:59
[ 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 Feb 04, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22963202990,1sleep72296321-21rm12:32:547
15853852990,1sleep60-21swapper/607:16:226
1562358995654,2cyclictest1962291-21kworker/u16:4+events_unbound10:41:516
156207325646,7sleep40-21swapper/407:06:204
20296152520,0sleep40-21swapper/410:41:354
156195625242,7sleep50-21swapper/507:04:445
156186125040,7sleep60-21swapper/607:03:256
15538742462,31sleep70-21swapper/707:01:417
1562358994543,2cyclictest2016560-21kworker/u16:1+events_unbound11:39:206
1562358994139,2cyclictest1788148-21kworker/u16:1+events_unbound09:19:526
1562358994038,2cyclictest2016560-21kworker/u16:1+events_unbound12:28:006
1562358994038,2cyclictest1962291-21kworker/u16:4+events_unbound10:18:006
1562358994038,2cyclictest1788148-21kworker/u16:1+events_unbound09:30:566
1562358993937,2cyclictest2111441-21kworker/u16:0+events_unbound12:10:326
1562358993937,2cyclictest2111441-21kworker/u16:0+events_unbound11:20:566
1562358993937,2cyclictest1788148-21kworker/u16:1+flush-8:009:22:136
1562354993937,2cyclictest4149426-21kworker/u16:2+events_unbound07:34:025
1562358993836,2cyclictest2053078-21kworker/u16:3+events_unbound11:00:406
1562358993836,2cyclictest2016560-21kworker/u16:1+events_unbound11:09:536
1562358993836,2cyclictest1962291-21kworker/u16:4+events_unbound10:50:326
1562358993836,2cyclictest1882043-21kworker/u16:2+events_unbound10:04:256
1562358993836,2cyclictest1600239-21kworker/u16:3+events_unbound09:08:086
1562358993735,2cyclictest2016560-21kworker/u16:1+events_unbound12:02:536
1562358993735,2cyclictest2016560-21kworker/u16:1+events_unbound11:53:326
1562358993735,2cyclictest1962291-21kworker/u16:4+events_unbound10:35:576
1562358993735,2cyclictest1822418-21kworker/u16:0+events_unbound10:30:526
1562358993735,2cyclictest1711578-21kworker/u16:0+flush-8:008:21:476
1562358993634,2cyclictest2162770-21kworker/u16:2+events_unbound11:50:566
1562358993634,2cyclictest2053078-21kworker/u16:3+flush-8:011:04:566
1562358993634,2cyclictest2053078-21kworker/u16:3+flush-8:011:04:566
1562358993634,2cyclictest1992383-21kworker/u16:2+events_unbound10:54:176
1562358993634,2cyclictest1882043-21kworker/u16:2+events_unbound09:49:326
1562358993634,2cyclictest1788148-21kworker/u16:1+events_unbound09:44:416
1562358993533,2cyclictest2261982-21kworker/u16:2+events_unbound12:24:406
1562358993533,2cyclictest2111441-21kworker/u16:0+events_unbound12:32:166
1562358993533,2cyclictest2016560-21kworker/u16:1+events_unbound11:42:416
1562358993533,2cyclictest2016560-21kworker/u16:1+events_unbound11:28:256
1562358993533,2cyclictest1992383-21kworker/u16:2+events_unbound10:40:526
1562358993533,2cyclictest1882043-21kworker/u16:2+events_unbound10:09:206
1562360993431,2cyclictest650-21systemd-journal07:41:227
1562360993431,2cyclictest650-21systemd-journal07:41:227
1562358993432,2cyclictest2077673-21kworker/u16:4+flush-8:011:32:046
1562358993432,2cyclictest2077673-21kworker/u16:4+events_unbound11:26:086
1562358993432,2cyclictest2016560-21kworker/u16:1+events_unbound12:19:126
1562358993431,2cyclictest2111441-21kworker/u16:0+events_unbound12:11:316
1562360993332,0cyclictest0-21swapper/711:56:457
1562360993332,0cyclictest0-21swapper/709:16:407
1562358993331,2cyclictest2111441-21kworker/u16:0+events_unbound11:58:136
1562358993331,2cyclictest2077673-21kworker/u16:4+events_unbound11:14:256
1562358993331,2cyclictest1788148-21kworker/u16:1+events_unbound10:22:406
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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