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2026-02-23 - 18:10
[ 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 100 highest latencies:
System rack2slot7s.osadl.org (updated Mon Feb 23, 2026 07:55:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
907603996046,11cyclictest1726196-21sh06:10:290
907606995932,23cyclictest1163201-21sh05:41:202
907604995737,16cyclictest1672500-21sh06:08:191
907604995630,23cyclictest1737222-21multi.sh06:11:011
907606995530,22cyclictest1218536-21execl05:51:042
907603995546,6cyclictest12450irq/32-eth005:40:220
907606995429,22cyclictest1667191-21sh06:08:072
907604995430,20cyclictest1181717-21od05:42:081
907606995338,11cyclictest1715372-21kworker/u8:15+xprtiod06:10:412
907604995128,20cyclictest1219306-21fstime05:55:281
907606995028,19cyclictest1289039-21spawn06:03:072
907606994941,5cyclictest1789523-21sendmail06:20:012
907604994822,22cyclictest0-21swapper/105:50:031
907604994822,22cyclictest0-21swapper/105:50:031
90760699470,19cyclictest1103756-21syscall05:35:232
907604994727,17cyclictest0-21swapper/105:50:311
907603994733,12cyclictest1680134-21wc06:08:360
907603994639,4cyclictest1136585-21tr05:40:010
907603994538,5cyclictest1217284-21execl05:50:330
907606994428,14cyclictest907602-21cyclictest05:57:522
907606994423,18cyclictest912131-21proc_pri05:20:292
907604994420,21cyclictest1381711-21spawn06:03:301
90760399431,35cyclictest912880-21fstime05:25:230
907606994231,8cyclictest1102903-21sshd05:35:032
907604994234,5cyclictest913535-21ntpq05:25:221
907603994227,12cyclictest12450irq/32-eth006:15:280
90760699413,8cyclictest908788-21ntpq05:10:202
907606994133,5cyclictest1217025-21execl05:50:022
907606994133,5cyclictest1217025-21execl05:50:022
907606994032,5cyclictest914048-21grep05:25:342
90760499402,5cyclictest1788982-21ntpq06:15:311
90760499401,12cyclictest912648-21sshd05:25:001
90760499401,10cyclictest1794969-21ntpq06:35:211
907603994031,7cyclictest1217025-21execl05:49:590
907603994031,7cyclictest1217025-21execl05:49:590
907604993914,21cyclictest1137070-21sh05:40:031
90760499391,13cyclictest1790541-21ps06:20:271
90760499391,11cyclictest908826-21ntpq05:10:221
907606993812,2cyclictest0-21swapper/205:10:012
907603993831,5cyclictest1310062-21spawn06:03:110
907603993829,6cyclictest1792650-21latency_hist06:30:020
907604993713,20cyclictest0-21swapper/105:30:261
907603993720,13cyclictest12450irq/32-eth005:20:260
90760699361,14cyclictest910147-21/usr/sbin/munin05:15:172
907606993510,5cyclictest1791029-21sendmail06:25:002
907604993511,2cyclictest0-21swapper/105:09:581
907604993510,6cyclictest910878-21/usr/sbin/munin05:15:341
90760399355,5cyclictest171rcu_preempt05:30:270
90760399341,26cyclictest1220313-21Run05:59:450
90760499337,4cyclictest0-21swapper/106:25:271
907604993310,3cyclictest0-21swapper/106:30:331
907606993223,6cyclictest563-21avahi-daemon06:35:282
907603993125,4cyclictest908039-21latency_hist05:10:020
90760699302,9cyclictest577-21mta-sts-daemon06:25:252
907603993024,4cyclictest1793091-21fschecks_count06:30:150
90760499296,20cyclictest907605-21kworker/u8:7+xprtiod05:05:001
907603992822,4cyclictest909338-21cron05:15:000
907603992820,5cyclictest636-21in:imuxsock06:25:010
907603992816,9cyclictest911085-21idleruntime-cro05:20:010
907603992718,7cyclictest1794768-21latency06:35:160
90760799244,10cyclictest0-21swapper/305:50:223
907606992215,4cyclictest1167-21mta-sts-daemon06:30:212
90760799213,11cyclictest0-21swapper/306:10:293
90760799211,10cyclictest0-21swapper/306:01:563
90760799203,9cyclictest0-21swapper/305:45:213
90760799203,9cyclictest0-21swapper/305:45:213
90760799203,12cyclictest0-21swapper/305:40:283
90760799193,9cyclictest0-21swapper/305:56:153
90760799184,9cyclictest0-21swapper/306:05:203
90760799182,9cyclictest0-21swapper/305:20:283
907606991812,3cyclictest0-21swapper/205:05:002
90760399182,9cyclictest564-21dbus-daemon05:05:010
90760799161,8cyclictest0-21swapper/305:25:233
90760799161,7cyclictest0-21swapper/306:28:193
90760799161,7cyclictest0-21swapper/305:30:253
90760799153,7cyclictest0-21swapper/305:38:073
90760799152,7cyclictest0-21swapper/306:15:283
90760799144,4cyclictest0-21swapper/306:20:263
90760799132,6cyclictest0-21swapper/306:35:003
90760799131,7cyclictest0-21swapper/306:35:193
90760799121,6cyclictest0-21swapper/305:10:213
90760799121,5cyclictest0-21swapper/305:20:023
90760799111,5cyclictest0-21swapper/305:10:003
9076079992,5cyclictest0-21swapper/305:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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