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2026-02-25 - 10:47
[ 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 25, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138366025949,7sleep50-21swapper/519:02:365
138361625848,7sleep60-21swapper/619:01:576
1384138994842,5cyclictest1502382-21latency_hist20:05:017
138352724737,7sleep40-21swapper/419:00:424
138413899440,42cyclictest1425962-21latency_hist19:25:017
1384132994139,2cyclictest1502771-21kworker/u16:0+flush-8:020:15:245
1384133994038,1cyclictest1822402-21kworker/u16:3+flush-8:022:45:006
1384132994038,2cyclictest1398488-21kworker/u16:3+events_unbound21:35:295
1384132994037,2cyclictest1822402-21kworker/u16:3+events_unbound23:25:035
13836622405,31sleep70-21swapper/719:02:387
1384138993937,1cyclictest941rcuc/700:04:557
1384132993836,2cyclictest1822402-21kworker/u16:3+events_unbound23:09:195
1384132993735,2cyclictest2027347-21kworker/u16:4+events_unbound00:17:315
1384132993735,2cyclictest1822402-21kworker/u16:3+events_unbound23:51:185
1384132993735,2cyclictest1822402-21kworker/u16:3+events_unbound23:51:185
1384132993634,2cyclictest1894616-21kworker/u16:1+events_unbound23:16:235
1384132993634,2cyclictest1811718-21kworker/u16:2+events_unbound22:28:285
1384132993634,2cyclictest1701611-21kworker/u16:0+events_unbound21:52:035
1384132993634,2cyclictest1701611-21kworker/u16:0+events_unbound21:52:035
1384132993634,2cyclictest1626751-21kworker/u16:2+events_unbound21:17:265
1384132993533,2cyclictest1858716-21kworker/u16:0+events_unbound23:02:465
1384132993432,2cyclictest2098983-21kworker/u16:3+events_unbound00:29:505
1384132993432,2cyclictest2027347-21kworker/u16:4+events_unbound00:22:155
1384132993432,2cyclictest1822402-21kworker/u16:3+events_unbound22:52:365
1384132993432,2cyclictest1747614-21kworker/u16:5+events_unbound22:04:035
1384132993432,2cyclictest1701611-21kworker/u16:0+events_unbound21:42:355
1384132993432,2cyclictest1578974-21kworker/u16:1+events_unbound21:12:355
1384132993432,2cyclictest1398488-21kworker/u16:3+events_unbound21:46:065
1384133993331,2cyclictest1398488-21kworker/u16:3+flush-8:019:45:006
1384133993331,2cyclictest1398488-21kworker/u16:3+flush-8:019:45:006
1384132993331,2cyclictest1955112-21kworker/u16:2+events_unbound23:30:355
1384132993331,2cyclictest1822402-21kworker/u16:3+events_unbound23:22:325
1384132993331,2cyclictest1822402-21kworker/u16:3+events_unbound00:03:195
1384132993331,2cyclictest1811718-21kworker/u16:2+flush-8:022:40:235
1384132993331,2cyclictest1626751-21kworker/u16:2+events_unbound21:27:465
1384132993331,2cyclictest1398488-21kworker/u16:3+events_unbound21:07:245
1384129993331,2cyclictest1760195-21kworker/u16:1+flush-8:022:05:154
1384138993226,5cyclictest1473743-21latency_hist19:50:007
1384132993230,2cyclictest1918945-21kworker/u16:4+events_unbound23:11:515
1384132993230,2cyclictest1918945-21kworker/u16:4+events_unbound23:11:515
1384132993230,2cyclictest1811718-21kworker/u16:2+flush-8:022:45:435
1384132993230,2cyclictest1774337-21kworker/u16:0+events_unbound22:23:515
1384132993230,2cyclictest1747614-21kworker/u16:5+events_unbound22:10:225
1384132993230,2cyclictest1578974-21kworker/u16:1+events_unbound21:20:205
1384132993228,2cyclictest1955112-21kworker/u16:2+events_unbound23:43:295
1384138993127,3cyclictest124-21kswapd022:59:267
1384132993129,2cyclictest1955112-21kworker/u16:2+events_unbound23:45:585
1384132993129,2cyclictest1894616-21kworker/u16:1+events_unbound00:14:575
1384132993129,2cyclictest1843734-21kworker/u16:4+events_unbound22:39:095
1384132993129,2cyclictest1578974-21kworker/u16:1+events_unbound20:57:125
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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