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2026-01-31 - 12:23
[ 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 Sat Jan 31, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184626625747,7sleep60-21swapper/619:04:556
184622725544,7sleep50-21swapper/519:04:225
1846677995149,2cyclictest2237686-21kworker/u16:3+events_unbound22:47:095
184625825117,30sleep70-21swapper/719:04:487
1846673994744,3cyclictest2237686-21kworker/u16:3+flush-8:022:26:394
1846683994237,4cyclictest2177127-21latency_hist21:46:407
184632324214,7sleep40-21swapper/419:05:424
1846677994139,2cyclictest2321639-21kworker/u16:4+flush-8:000:27:075
1846673994038,2cyclictest2321639-21kworker/u16:4+events_unbound23:31:424
1846677993937,2cyclictest2071472-21kworker/u16:2+events_unbound21:34:505
1846677993936,2cyclictest2381775-21kworker/u16:2+events_unbound23:46:495
1846673993936,2cyclictest1927555-21kworker/u16:4+events_unbound21:51:414
1846683993836,1cyclictest0-21swapper/700:06:417
184668399380,36cyclictest2583983-21ssh00:32:497
1846677993836,2cyclictest2237686-21kworker/u16:3+events_unbound23:08:095
1846677993836,2cyclictest2164406-21kworker/u16:0+flush-8:022:36:395
1846677993836,2cyclictest2071472-21kworker/u16:2+events_unbound21:24:375
1846673993836,2cyclictest2573140-21kworker/u16:2+events_unbound00:34:384
1846673993835,2cyclictest2381775-21kworker/u16:2+flush-8:023:51:394
1846683993734,2cyclictest2537943-21/usr/sbin/munin00:16:397
1846683993731,5cyclictest2225189-21latency_hist22:06:407
1846677993735,2cyclictest2321639-21kworker/u16:4+events_unbound23:36:495
1846677993735,2cyclictest2237686-21kworker/u16:3+events_unbound23:04:135
1846677993735,2cyclictest2189250-21kworker/u16:3+events_unbound21:55:375
1846677993735,2cyclictest2164406-21kworker/u16:0+events_unbound22:43:105
1846673993735,2cyclictest2103907-21kworker/u16:0+events_unbound21:25:064
23908282360,1chrt0-21swapper/523:12:075
1846683993635,0cyclictest0-21swapper/722:11:507
1846677993634,2cyclictest2490245-21kworker/u16:1+events_unbound00:12:255
1846677993634,2cyclictest2381775-21kworker/u16:2+events_unbound23:29:575
1846677993634,2cyclictest2381775-21kworker/u16:2+events_unbound23:21:215
1846677993634,2cyclictest2321639-21kworker/u16:4+events_unbound23:44:345
1846677993634,2cyclictest2321639-21kworker/u16:4+events_unbound22:57:405
1846677993634,2cyclictest2321639-21kworker/u16:4+events_unbound22:55:315
1846677993634,2cyclictest2321639-21kworker/u16:4+events_unbound00:01:135
1846677993634,2cyclictest2273959-21kworker/u16:2+events_unbound22:28:085
1846677993634,2cyclictest2237686-21kworker/u16:3+events_unbound23:55:335
1846677993634,2cyclictest2237686-21kworker/u16:3+events_unbound22:21:295
1846677993634,2cyclictest2237686-21kworker/u16:3+events_unbound22:21:295
1846677993634,2cyclictest2164406-21kworker/u16:0+events_unbound22:05:455
1846677993634,2cyclictest2117193-21kworker/u16:1+events_unbound21:39:385
1846677993634,2cyclictest2117193-21kworker/u16:1+events_unbound21:39:385
1846677993634,2cyclictest2071472-21kworker/u16:2+events_unbound21:08:065
1846677993634,2cyclictest1927555-21kworker/u16:4+flush-8:021:42:185
1846677993634,2cyclictest1927555-21kworker/u16:4+events_unbound21:30:585
1846673993634,2cyclictest2237686-21kworker/u16:3+events_unbound23:17:504
1846683993532,2cyclictest1878231-21ntp_states19:17:067
1846683993531,3cyclictest2429234-21sh23:30:347
1846683993529,5cyclictest2032959-21latency_hist20:41:407
1846677993533,2cyclictest2514255-21kworker/u16:3+events_unbound00:25:095
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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