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2026-02-01 - 21:08
[ 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 Sun Feb 01, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175877025419,30sleep70-21swapper/707:03:077
175877625343,7sleep40-21swapper/407:03:124
175878725040,7sleep60-21swapper/607:03:226
175876825040,7sleep50-21swapper/507:03:055
1759314994440,3cyclictest2017513-21kworker/u16:2+flush-8:009:16:345
175932299430,41cyclictest2055347-21pool-gnome-soft09:28:347
1759314994341,2cyclictest2258249-21kworker/u16:2+flush-8:011:36:335
1759314994341,2cyclictest2258249-21kworker/u16:2+flush-8:011:36:335
1759314994341,2cyclictest2258249-21kworker/u16:2+flush-8:011:17:035
1759314994139,2cyclictest2119027-21kworker/u16:3+flush-8:010:11:335
1759322993629,5cyclictest2254775-21latency_hist10:51:337
1759314993634,2cyclictest2390746-21kworker/u16:0+events_unbound12:16:525
1759314993634,2cyclictest2119027-21kworker/u16:3+flush-8:012:02:025
1759314993634,2cyclictest2032400-21kworker/u16:4+flush-8:009:36:295
1759314993634,2cyclictest2032400-21kworker/u16:4+flush-8:009:36:295
1759314993533,2cyclictest2476101-21kworker/u16:3+events_unbound12:32:085
1759312993533,2cyclictest2055493-21kworker/u16:1+flush-8:009:46:344
1759322993427,6cyclictest2452456-21latency_hist12:11:337
1759314993432,2cyclictest2489503-21kworker/u16:2+events_unbound12:27:005
1759314993230,2cyclictest2390746-21kworker/u16:0+events_unbound12:21:495
1759314993029,1cyclictest2105210-21kworker/u16:2+events_unbound10:26:525
1759314993028,2cyclictest2241088-21kworker/u16:1+flush-8:010:46:515
18311532280,1chrt1831152-21sshd-session07:41:367
175932299280,27cyclictest2032360-21latency_hist09:21:347
1759314992826,2cyclictest2105210-21kworker/u16:2+events_unbound09:57:375
1759314992826,2cyclictest2055493-21kworker/u16:1+events_unbound09:36:525
1759314992826,2cyclictest2032400-21kworker/u16:4+flush-8:009:41:565
1759312992826,2cyclictest2241088-21kworker/u16:1+flush-8:011:42:424
23777162270,1chrt2377717-21sh11:40:257
1759317992725,2cyclictest1840464-21kworker/u16:0+events_unbound09:06:476
1759314992725,2cyclictest2258249-21kworker/u16:2+events_unbound12:01:285
1759314992624,2cyclictest2119027-21kworker/u16:3+events_unbound11:27:045
1759314992624,2cyclictest2082095-21kworker/u16:0+flush-8:010:21:335
1759314992623,2cyclictest2119027-21kworker/u16:3+events_unbound10:31:495
1759317992523,2cyclictest1783527-21kworker/u16:0+events_unbound07:21:486
1759314992523,2cyclictest2390746-21kworker/u16:0+flush-8:012:06:515
1759314992523,2cyclictest2258249-21kworker/u16:2+events_unbound11:11:285
1759314992523,2cyclictest1840464-21kworker/u16:0+flush-8:009:07:365
1759317992320,2cyclictest1730133-21kworker/u16:1+events_unbound07:41:486
1759314992321,2cyclictest2119027-21kworker/u16:3+events_unbound11:53:445
1759314992321,2cyclictest2119027-21kworker/u16:3+events_unbound10:57:005
1759314992320,2cyclictest1730133-21kworker/u16:1+flush-8:008:26:545
1759312992320,2cyclictest2105210-21kworker/u16:2+flush-8:010:06:574
23421612220,1chrt0-21swapper/611:26:456
20772102220,1chrt2077211-21grep09:36:597
1759314992220,2cyclictest2258249-21kworker/u16:2+events_unbound11:46:585
175932299210,20cyclictest2489462-21latency_hist12:26:337
1759314992119,2cyclictest2119027-21kworker/u16:3+events_unbound11:01:495
1759322992015,4cyclictest2464821-21latency_hist12:16:337
1759322992015,4cyclictest2464821-21latency_hist12:16:337
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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