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2026-01-29 - 02:07
[ 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 Thu Jan 29, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35038042650,0sleep73503806-21cut20:17:107
3356719995452,2cyclictest3750148-21kworker/u16:1+events_unbound22:27:135
3356719995148,2cyclictest3701610-21kworker/u16:0+events_unbound22:47:035
3356719995148,2cyclictest3701610-21kworker/u16:0+events_unbound22:47:035
335629625117,30sleep70-21swapper/719:04:597
3356719995047,2cyclictest3846371-21kworker/u16:1+events_unbound22:57:035
3356719994947,2cyclictest4003818-21kworker/u16:4+events_unbound00:32:025
3356717994945,3cyclictest3810280-21kworker/u16:2+flush-8:023:12:044
3356719994745,2cyclictest3701610-21kworker/u16:0+events_unbound23:02:225
3356719994745,2cyclictest3583120-21kworker/u16:1+events_unbound21:27:215
3356719994644,2cyclictest3965408-21kworker/u16:2+events_unbound23:42:025
3356717994643,3cyclictest3750148-21kworker/u16:1+flush-8:022:26:484
3356719994543,2cyclictest3952029-21kworker/u16:3+events_unbound23:51:475
3356723994441,2cyclictest3397479-21kworker/u16:3+flush-8:021:51:486
3356719994442,2cyclictest3952029-21kworker/u16:3+events_unbound23:52:205
3356719994442,2cyclictest3397479-21kworker/u16:3+events_unbound21:37:175
3356719994239,2cyclictest3397479-21kworker/u16:3+events_unbound21:42:015
3356717994240,2cyclictest3292909-21kworker/u16:0+events_unbound19:12:034
3356717994240,2cyclictest3292909-21kworker/u16:0+events_unbound19:12:034
3356719994038,2cyclictest4039307-21kworker/u16:0+events_unbound00:22:205
3356719994038,2cyclictest3846371-21kworker/u16:1+events_unbound23:20:385
3356719994038,2cyclictest3810280-21kworker/u16:2+events_unbound22:56:135
3356719994038,2cyclictest3397479-21kworker/u16:3+flush-8:021:57:205
3356723993936,2cyclictest3665016-21kworker/u16:2+flush-8:021:52:166
3356719993937,2cyclictest4003817-21kworker/u16:1+events_unbound00:11:505
3356719993937,2cyclictest3952029-21kworker/u16:3+events_unbound23:57:215
3356719993937,2cyclictest3701611-21kworker/u16:4+events_unbound22:07:175
3356719993937,2cyclictest3701611-21kworker/u16:4+events_unbound22:07:175
3356719993937,2cyclictest3397479-21kworker/u16:3+flush-8:021:17:145
3356719993937,2cyclictest3397479-21kworker/u16:3+flush-8:019:47:065
3356719993937,2cyclictest3397479-21kworker/u16:3+events_unbound19:32:135
3356719993936,2cyclictest3822719-21kworker/u16:3+flush-8:022:42:125
3356719993936,2cyclictest3665016-21kworker/u16:2+events_unbound21:52:015
3356719993936,2cyclictest3397479-21kworker/u16:3+events_unbound20:47:025
3356719993936,2cyclictest3397479-21kworker/u16:3+events_unbound20:47:025
3356725993833,4cyclictest3773978-21latency_hist22:21:487
3356719993836,2cyclictest4039307-21kworker/u16:0+events_unbound00:18:585
3356719993836,2cyclictest4003817-21kworker/u16:1+events_unbound00:05:575
3356719993836,2cyclictest3397479-21kworker/u16:3+flush-8:020:46:475
3356717993834,3cyclictest3379752-21kworker/u16:2+flush-8:020:07:054
335636023828,7sleep50-21swapper/519:05:545
3356719993735,2cyclictest3846371-21kworker/u16:1+flush-8:023:22:085
3356719993735,2cyclictest3750148-21kworker/u16:1+events_unbound22:36:505
3356719993735,2cyclictest3701610-21kworker/u16:0+events_unbound23:07:585
3356719993734,2cyclictest3701610-21kworker/u16:0+events_unbound23:11:495
3356723993632,3cyclictest3397479-21kworker/u16:3+flush-8:019:36:486
3356719993634,2cyclictest4003817-21kworker/u16:1+events_unbound00:08:575
3356719993634,2cyclictest3397479-21kworker/u16:3+events_unbound20:17:025
3356719993632,3cyclictest3292909-21kworker/u16:0+flush-8:019:11:485
3356717993633,2cyclictest3348010-21kworker/u16:1+events_unbound19:47:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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