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2026-02-05 - 15:28
[ 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 #5, slot #3

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 rack5slot3s.osadl.org (updated Thu Feb 05, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271902234162,59sleep00-21swapper/007:07:010
271932204168,24sleep30-21swapper/307:07:033
272402203167,24sleep20-21swapper/207:07:392
271862201163,25sleep10-21swapper/107:06:581
27524998784,2cyclictest0-21swapper/308:13:213
168612630,5sleep011-21rcuc/010:25:010
67932540,4sleep20-21swapper/208:45:232
314752510,1sleep30-21swapper/312:10:163
2752499291,19cyclictest0-21swapper/309:10:193
2752499291,17cyclictest0-21swapper/311:54:243
2751299291,10cyclictest0-21swapper/110:15:381
2752499281,16cyclictest26142-21cstates10:45:143
2751299281,9cyclictest0-21swapper/109:30:101
2750699281,11cyclictest15473-21/usr/sbin/munin11:35:170
27524992713,3cyclictest0-21swapper/311:19:283
2752499271,18cyclictest0-21swapper/310:25:223
2752499271,17cyclictest0-21swapper/312:01:513
2752499271,17cyclictest0-21swapper/312:01:513
2752499271,16cyclictest0-21swapper/311:07:323
27512992716,3cyclictest7362-21hddtemp_smartct11:15:181
2751299271,4cyclictest0-21swapper/111:39:481
27506992710,3cyclictest88350irq/128-enp1s0-07:25:190
2752499261,5cyclictest0-21swapper/310:50:203
2752499261,5cyclictest0-21swapper/310:50:203
27524992615,2cyclictest0-21swapper/310:35:023
2752499261,17cyclictest0-21swapper/312:36:033
2752499261,16cyclictest0-21swapper/309:40:123
2752499261,16cyclictest0-21swapper/309:40:123
2752499261,15cyclictest0-21swapper/310:18:473
2752499261,12cyclictest19706-21ntp_states09:15:223
2751299263,14cyclictest18787-21kworker/u8:010:40:411
2751299261,16cyclictest32165-21df_inode09:45:121
2751299261,16cyclictest0-21swapper/112:21:051
2750699261,6cyclictest0-21swapper/010:50:180
2750699261,6cyclictest0-21swapper/010:50:180
2750699261,11cyclictest2294-21/usr/sbin/munin11:05:230
2752499255,3cyclictest0-21swapper/310:30:483
2752499251,16cyclictest0-21swapper/312:34:043
2752499251,11cyclictest27963-21uniq09:35:153
2752499250,17cyclictest0-21swapper/312:26:103
2751299251,12cyclictest10931-21fschecks_count10:10:141
2751299250,6cyclictest0-21swapper/112:13:531
2750699259,13cyclictest14016-21munin-run09:05:020
2750699251,5cyclictest0-21swapper/009:26:300
27506992515,3cyclictest88350irq/128-enp1s0-08:17:490
2750699251,4cyclictest27164-21kworker/u8:209:41:500
2750699251,4cyclictest27164-21kworker/u8:209:41:500
2750699251,10cyclictest7300-21/usr/sbin/munin12:30:210
2752499241,6cyclictest0-21swapper/309:55:463
2752499241,17cyclictest0-21swapper/311:29:023
2752499241,16cyclictest0-21swapper/310:06:383
2752499240,9cyclictest0-21swapper/310:40:203
2751999244,11cyclictest0-21swapper/211:10:012
2751299245,10cyclictest0-21swapper/109:15:171
2751299244,7cyclictest88350irq/128-enp1s0-10:20:121
2751299242,5cyclictest27164-21kworker/u8:209:40:361
2751299242,5cyclictest27164-21kworker/u8:209:40:351
2751299241,8cyclictest88350irq/128-enp1s0-10:52:071
2751299241,8cyclictest88350irq/128-enp1s0-10:52:071
27512992414,3cyclictest1322-21sendmail10:07:481
2751299241,20cyclictest1574-21latency12:15:171
2751299241,17cyclictest0-21swapper/110:01:501
2751299241,17cyclictest0-21swapper/108:40:171
2751299241,16cyclictest0-21swapper/111:12:521
2751299241,16cyclictest0-21swapper/109:26:431
27512992411,5cyclictest0-21swapper/111:45:121
2751299241,15cyclictest0-21swapper/109:24:511
2751299241,10cyclictest9699-21fschecks_time07:40:161
2750699247,13cyclictest6808-21munin-run07:35:020
2750699241,6cyclictest0-21swapper/011:20:170
2750699241,12cyclictest8040-21munin-run10:05:010
2750699240,22cyclictest0-21swapper/010:55:230
2752499235,3cyclictest88450irq/129-enp1s0-08:15:193
2752499235,3cyclictest88450irq/129-enp1s0-07:20:183
2752499235,3cyclictest88450irq/129-enp1s0-07:20:183
2752499234,4cyclictest17031-21head11:35:263
2752499231,8cyclictest17330-21kworker/u8:112:19:053
27524992316,4cyclictest18739-21ntp_states11:40:193
2752499231,5cyclictest823-21snmpd08:47:553
27524992314,3cyclictest88150irq/126-enp1s0-11:13:313
2752499231,16cyclictest0-21swapper/312:22:183
2752499231,16cyclictest0-21swapper/312:05:153
2752499231,16cyclictest0-21swapper/311:03:073
2752499231,16cyclictest0-21swapper/310:24:533
2752499231,16cyclictest0-21swapper/310:11:173
2751999239,6cyclictest8084-1kworker/u9:211:04:052
2751999231,4cyclictest28998-21grep09:35:252
2751999231,20cyclictest0-21swapper/212:15:222
2751299238,3cyclictest16783-21df_inode09:10:121
2751299234,9cyclictest21-21rcuc/108:10:101
2751299232,11cyclictest0-21swapper/110:56:181
2751299231,9cyclictest725-21crond08:35:011
2751299231,9cyclictest725-21crond08:35:011
2751299231,16cyclictest0-21swapper/107:50:021
2751299231,15cyclictest21688-21kworker/u8:011:53:331
2751299231,13cyclictest0-21swapper/109:53:011
2751299231,11cyclictest0-21swapper/111:26:111
2751299231,11cyclictest0-21swapper/109:57:271
2751299231,10cyclictest15790-21grep09:05:261
2751299230,7cyclictest0-21swapper/111:24:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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