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2026-01-19 - 15:48
[ 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 Jan 19, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14540742980,1sleep71454075-21sh10:35:147
99665026856,8sleep50-21swapper/507:05:345
997060995857,1cyclictest124-21kswapd009:29:354
997060995857,1cyclictest124-21kswapd009:29:354
99667025848,7sleep40-21swapper/407:05:494
99650425521,30sleep70-21swapper/707:03:277
997062994745,2cyclictest1136845-21kworker/u16:0+events_unbound09:12:265
99663324737,7sleep60-21swapper/607:05:196
997062994644,2cyclictest1175531-21kworker/u16:3+events_unbound09:52:265
997066994441,2cyclictest1415807-21kworker/u16:2+events_unbound10:32:286
14297362440,1sleep60-21swapper/610:25:436
997066994240,2cyclictest1415807-21kworker/u16:2+flush-8:010:45:446
997066994240,2cyclictest1186917-21kworker/u16:1+events_unbound09:26:526
99707099410,39cyclictest1344465-21sed09:52:267
997066994139,2cyclictest1186917-21kworker/u16:1+events_unbound09:15:326
997062994139,2cyclictest1539036-21kworker/u16:4+events_unbound11:18:455
997062994139,2cyclictest1136845-21kworker/u16:0+events_unbound10:47:255
997066994038,2cyclictest1415807-21kworker/u16:2+events_unbound10:31:296
997066994037,2cyclictest1613389-21kworker/u16:2+events_unbound12:32:286
997062994037,2cyclictest1175531-21kworker/u16:3+flush-8:009:29:315
997062994037,2cyclictest1175531-21kworker/u16:3+flush-8:009:29:315
997066993937,2cyclictest1553853-21kworker/u16:1+events_unbound11:41:006
997066993937,2cyclictest1381348-21kworker/u16:5+events_unbound10:09:566
997066993936,2cyclictest1614214-21kworker/u16:8+events_unbound12:17:276
997062993936,2cyclictest1613389-21kworker/u16:2+events_unbound12:07:275
997066993836,2cyclictest1539036-21kworker/u16:4+events_unbound11:09:246
997066993836,2cyclictest1415807-21kworker/u16:2+events_unbound10:39:446
997066993836,2cyclictest1186917-21kworker/u16:1+events_unbound09:29:096
997066993836,2cyclictest1186917-21kworker/u16:1+events_unbound09:29:096
997066993835,2cyclictest1553853-21kworker/u16:1+events_unbound11:27:566
997062993836,2cyclictest1490873-21kworker/u16:3+flush-8:011:25:205
997060993836,2cyclictest1175531-21kworker/u16:3+flush-8:009:27:204
997066993735,2cyclictest1614214-21kworker/u16:8+events_unbound12:16:166
997066993735,2cyclictest1175531-21kworker/u16:3+events_unbound09:49:096
997066993735,2cyclictest1136845-21kworker/u16:0+events_unbound10:48:536
997066993735,2cyclictest1136845-21kworker/u16:0+events_unbound09:40:046
997066993734,2cyclictest1614214-21kworker/u16:8+flush-8:011:52:276
997062993735,2cyclictest1293233-21kworker/u16:4+events_unbound10:02:575
997066993634,2cyclictest1627732-21kworker/u16:0+events_unbound12:23:156
997066993634,2cyclictest1553853-21kworker/u16:1+flush-8:011:46:366
997066993634,2cyclictest1553853-21kworker/u16:1+flush-8:011:36:156
997066993634,2cyclictest1490873-21kworker/u16:3+events_unbound11:03:446
997066993634,2cyclictest1415807-21kworker/u16:2+events_unbound10:22:036
997066993634,2cyclictest1381348-21kworker/u16:5+events_unbound10:16:016
997066993634,2cyclictest1356657-21kworker/u16:2+events_unbound10:07:136
997066993634,2cyclictest1293233-21kworker/u16:4+flush-8:009:34:246
997066993634,2cyclictest1136845-21kworker/u16:0+events_unbound09:12:016
997062993634,2cyclictest1575361-21kworker/u16:0+flush-8:011:35:035
997062993634,2cyclictest1097900-21kworker/u16:2+flush-8:008:38:265
997062993634,2cyclictest1020121-21kworker/u16:1+events_unbound08:12:255
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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