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2026-03-02 - 17:54
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 792 highest latencies:
System rack2slot7s.osadl.org (updated Mon Mar 02, 2026 07:55:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
769612997263,6cyclictest1600524-21tee06:10:442
769610997255,12cyclictest1596167-21wc06:10:310
769611996656,6cyclictest1596336-21od06:10:311
769610996551,10cyclictest1009816-21sh05:40:310
769610996551,10cyclictest1009816-21sh05:40:310
769611996355,4cyclictest0-21swapper/105:50:301
769612995750,3cyclictest0-21swapper/205:40:302
769612995750,3cyclictest0-21swapper/205:40:302
76961299572,43cyclictest1659097-21cpuspeed06:20:162
769611995736,18cyclictest1581286-21sh06:09:561
76961199561,15cyclictest774571-21execl05:20:321
769611995532,20cyclictest0-21swapper/105:42:561
769611995532,20cyclictest0-21swapper/105:42:561
769610995014,10cyclictest171rcu_preempt06:15:240
769612994941,5cyclictest1551076-21looper06:08:412
769612994840,5cyclictest1083471-21execl05:50:262
769611994840,5cyclictest967933-21systemd-run05:35:011
769610994841,5cyclictest1084228-21ldconfig05:50:350
769611994634,7cyclictest0-21swapper/105:25:211
769610994639,4cyclictest1568776-21looper06:09:240
769612994534,8cyclictest1083329-21latency_hist05:50:022
76961199449,7cyclictest564-21dbus-daemon06:22:561
769610994434,7cyclictest1086546-21Run05:59:590
769610994434,7cyclictest1086546-21Run05:59:590
769611994332,7cyclictest563-21avahi-daemon06:20:011
769611994321,18cyclictest0-21swapper/105:40:021
769611994320,20cyclictest1112105-21spawn06:02:561
76961199431,9cyclictest1085712-21ntpq05:55:241
76961199431,9cyclictest1085712-21ntpq05:55:241
76961199431,13cyclictest772061-21ntpq05:10:331
76961199431,11cyclictest773546-21ntpq05:15:281
76961199430,12cyclictest770541-21ntpq05:05:271
76961099422,31cyclictest1659080-21cpu06:20:160
76961199413,6cyclictest1082474-21ntpq05:45:291
769611994114,24cyclictest1661013-21ntp_kernel_err06:25:231
76961199411,10cyclictest1662579-21ntpq06:30:281
76961299403,32cyclictest774571-21execl05:20:272
769610994010,20cyclictest577-21mta-sts-daemon06:25:280
769612993933,2cyclictest0-21swapper/206:40:012
76961199391,7cyclictest1664073-21ntpq06:35:271
769610993931,6cyclictest1088167-21Run06:01:180
769610993930,6cyclictest1082024-21Run05:45:180
769612993831,4cyclictest773150-21dhry2reg05:15:202
769612993830,5cyclictest772590-21idleruntime-cro05:15:012
76961299381,29cyclictest778074-21pipe05:30:282
769610993832,4cyclictest769616-21systemd-run05:05:010
769612993730,3cyclictest0-21swapper/206:01:022
769612993629,4cyclictest1003378-21multi.sh05:40:022
76961099363,27cyclictest151ktimers/005:15:330
769610993628,5cyclictest1003326-21tee05:40:020
769610993626,7cyclictest775894-21cron05:25:010
76961299337,17cyclictest351ktimers/206:15:242
769610993326,4cyclictest772663-21systemd-run05:15:010
76961299320,25cyclictest776099-21fstime05:25:282
769610993222,8cyclictest775032-21kworker/u8:5-xprtiod05:35:010
76961299305,19cyclictest577-21mta-sts-daemon06:25:232
769612993026,2cyclictest0-21swapper/205:58:252
769612993026,2cyclictest0-21swapper/205:58:252
769612992923,3cyclictest0-21swapper/205:05:012
769610992910,11cyclictest774200-21kworker/u8:1+nfsiod05:26:450
76961299281,4cyclictest171rcu_preempt06:30:292
769610992722,3cyclictest1663508-21aten_r2power_po06:35:150
76961199261,9cyclictest769774-21latency_hist05:05:031
769610992516,6cyclictest1663034-21unixbench_multi06:30:380
76961399223,13cyclictest0-21swapper/305:10:273
769612992215,4cyclictest771019-21head05:05:362
76961099222,15cyclictest770549-21ntp_states05:05:290
76961399203,9cyclictest0-21swapper/305:45:423
76961399193,8cyclictest0-21swapper/306:05:283
76961399193,11cyclictest0-21swapper/305:56:143
76961399193,11cyclictest0-21swapper/305:56:143
76961399185,8cyclictest0-21swapper/306:10:373
76961399182,11cyclictest0-21swapper/305:50:273
76961399172,6cyclictest0-21swapper/305:30:283
76961399171,7cyclictest0-21swapper/306:20:163
76961399171,6cyclictest0-21swapper/306:25:253
76961399163,7cyclictest0-21swapper/306:01:153
76961399162,8cyclictest0-21swapper/305:20:253
76961399161,8cyclictest0-21swapper/305:40:253
76961399161,8cyclictest0-21swapper/305:40:253
76961399160,6cyclictest0-21swapper/306:35:243
76961399142,7cyclictest0-21swapper/305:25:213
76961399142,6cyclictest0-21swapper/305:15:263
76961399132,6cyclictest0-21swapper/305:05:243
76961399131,6cyclictest0-21swapper/306:15:233
76961399131,5cyclictest0-21swapper/305:35:253
76961399121,6cyclictest0-21swapper/306:30:253
7696139981,5cyclictest0-21swapper/305:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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