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2026-02-22 - 00:53
[ 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 376 highest latencies:
System rack5slot3s.osadl.org (updated Sat Feb 21, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86472224154,57sleep20-21swapper/207:08:502
86582203164,26sleep30-21swapper/307:08:583
85742203165,26sleep10-21swapper/107:07:521
85672203166,25sleep00-21swapper/007:07:460
383321750,2sleep2884299cyclictest09:21:242
3221821710,5sleep2884299cyclictest09:15:012
3164421690,3sleep3884799cyclictest10:25:193
1186421660,6sleep1883699cyclictest08:25:241
147352750,3sleep10-21swapper/109:45:271
147352750,3sleep10-21swapper/109:45:271
8847995451,2cyclictest0-21swapper/308:05:453
8847994945,3cyclictest0-21swapper/309:43:043
247302460,3sleep20-21swapper/210:10:172
295532430,1sleep00-21swapper/011:35:150
8847993936,2cyclictest0-21swapper/311:21:033
8847993822,9cyclictest0-21swapper/307:31:013
884799361,15cyclictest8200-21awk10:45:223
8847993420,9cyclictest0-21swapper/312:03:563
882999335,13cyclictest6324-21munin-run09:30:000
884799321,21cyclictest0-21swapper/312:35:283
884799321,14cyclictest0-21swapper/310:20:223
884799320,19cyclictest0-21swapper/307:27:173
884799320,19cyclictest0-21swapper/307:27:173
883699320,28cyclictest21-21rcuc/112:20:111
47312320,5sleep121-21rcuc/108:10:191
8847993120,6cyclictest0-21swapper/312:33:283
882999318,11cyclictest17959-21perf11:10:020
884799301,14cyclictest0-21swapper/309:45:333
884799301,14cyclictest0-21swapper/309:45:333
884799299,7cyclictest0-21swapper/309:55:013
8847992926,2cyclictest0-21swapper/311:18:093
8847992915,9cyclictest0-21swapper/310:38:563
8847992912,3cyclictest0-21swapper/311:36:083
883699295,16cyclictest0-21swapper/110:20:211
883699292,25cyclictest0-21swapper/111:45:441
882999299,16cyclictest32709-21munin-run10:30:000
884799288,3cyclictest0-21swapper/312:25:543
884799286,3cyclictest0-21swapper/311:10:173
883699281,26cyclictest0-21swapper/111:30:211
883699281,25cyclictest0-21swapper/111:03:121
71722280,2sleep20-21swapper/211:55:262
8847992715,4cyclictest0-21swapper/308:59:013
8847992714,7cyclictest0-21swapper/310:04:013
8847992713,10cyclictest0-21swapper/309:35:453
883699279,5cyclictest0-21swapper/108:43:071
883699276,10cyclictest0-21swapper/109:51:031
883699274,10cyclictest0-21swapper/111:40:271
883699271,24cyclictest0-21swapper/112:35:161
883699271,24cyclictest0-21swapper/111:15:101
883699271,24cyclictest0-21swapper/107:21:451
883699271,23cyclictest2968-21irqstats09:20:181
883699270,25cyclictest0-21swapper/112:30:061
882999274,11cyclictest18571-21perf12:25:010
884799269,3cyclictest0-21swapper/308:35:203
884799268,4cyclictest0-21swapper/309:24:013
8847992613,7cyclictest0-21swapper/311:44:463
883699269,5cyclictest843-21runrttasks12:17:371
8836992614,3cyclictest0-21swapper/107:19:241
883699261,24cyclictest0-21swapper/107:27:281
883699261,24cyclictest0-21swapper/107:27:281
883699261,23cyclictest0-21swapper/109:03:041
883699261,12cyclictest5421-21ntp_states09:25:221
883699261,10cyclictest132862iwlist08:30:171
883699260,24cyclictest0-21swapper/109:31:531
883699260,24cyclictest0-21swapper/108:50:401
883699260,24cyclictest0-21swapper/108:15:361
883699260,24cyclictest0-21swapper/107:46:581
8847992515,3cyclictest0-21swapper/310:10:323
8847992512,8cyclictest0-21swapper/310:58:473
884799251,21cyclictest16261-21memory09:50:173
884799250,9cyclictest0-21swapper/310:34:143
884799250,14cyclictest0-21swapper/309:10:333
883699256,5cyclictest89850irq/133-enp2s0-11:51:461
883699252,15cyclictest0-21swapper/111:55:251
883699251,3cyclictest6188-21uname10:40:241
883699251,3cyclictest31467-21munin-run08:00:011
883699251,16cyclictest0-21swapper/112:00:381
883699250,4cyclictest11628-21kworker/u8:110:03:301
884799249,1cyclictest0-21swapper/312:05:323
884799249,1cyclictest0-21swapper/312:05:323
884799246,3cyclictest21874-21ps07:35:213
884799246,3cyclictest0-21swapper/311:27:483
8847992414,3cyclictest0-21swapper/311:31:083
8847992412,3cyclictest0-21swapper/312:22:003
884799241,14cyclictest0-21swapper/311:07:373
8847992410,8cyclictest0-21swapper/310:05:543
883699240,17cyclictest0-21swapper/109:13:321
884799239,3cyclictest0-21swapper/308:04:133
884799238,8cyclictest0-21swapper/311:01:453
884799238,2cyclictest0-21swapper/310:40:143
884799231,12cyclictest0-21swapper/307:59:113
8847992310,3cyclictest0-21swapper/311:46:093
884799230,12cyclictest0-21swapper/311:58:543
884299236,8cyclictest88450irq/129-enp1s0-10:45:212
883699232,9cyclictest1238-21sshd08:04:301
883699232,3cyclictest0-21swapper/108:56:161
883699232,19cyclictest0-21swapper/111:10:151
883699231,3cyclictest204242sleep112:25:551
883699231,19cyclictest823-21snmpd11:05:071
883699231,10cyclictest23913-21latency_hist10:10:011
883699230,6cyclictest0-21swapper/109:42:291
882999231,11cyclictest0-21swapper/011:15:020
220642231,3sleep122261-21head07:35:261
884799226,4cyclictest0-21swapper/309:07:293
884299222,8cyclictest20729-21head10:00:202
884299221,7cyclictest12790-21grep12:10:172
884299221,12cyclictest0-21swapper/209:26:202
883699227,4cyclictest18810-21expr07:30:151
883699227,4cyclictest0-21swapper/109:35:171
883699222,18cyclictest0-21swapper/107:40:121
883699221,19cyclictest0-21swapper/110:55:481
883699221,10cyclictest19991-21sed08:45:181
883699221,10cyclictest14160-21latency_hist12:15:021
882999227,8cyclictest26129-21awk10:15:010
882999226,7cyclictest12195-21/usr/sbin/munin12:10:180
884799217,3cyclictest0-21swapper/312:16:063
884799213,3cyclictest0-21swapper/308:15:163
884799213,10cyclictest8129-21/usr/sbin/munin08:20:173
884299215,4cyclictest22379-21ntpq08:50:212
884299213,6cyclictest3606-1kworker/u9:209:58:212
884299212,2cyclictest89850irq/133-enp2s0-09:08:342
884299211,7cyclictest18551-21sh12:25:022
884299211,7cyclictest0-21swapper/210:25:232
884299211,5cyclictest3170-21munin-run11:50:002
884299211,12cyclictest0-21swapper/210:51:382
884299211,11cyclictest11399-21ntpq08:25:202
884299211,10cyclictest12539-21users09:40:272
883699217,3cyclictest11111-21cat07:15:011
883699211,9cyclictest0-21swapper/112:07:461
883699211,9cyclictest0-21swapper/112:07:461
8836992117,2cyclictest18694-21awk09:55:211
883699211,3cyclictest0-21swapper/110:51:131
883699211,19cyclictest0-21swapper/110:18:281
883699211,18cyclictest0-21swapper/107:51:311
882999213,11cyclictest88150irq/126-enp1s0-11:35:020
882999211,6cyclictest0-21swapper/011:01:030
884799208,3cyclictest0-21swapper/307:18:223
884799207,4cyclictest0-21swapper/308:31:323
884799206,8cyclictest0-21swapper/312:13:123
884799206,3cyclictest0-21swapper/310:15:413
884799204,2cyclictest0-21swapper/307:10:243
8847992015,3cyclictest26342-21gltestperf09:00:163
884799201,10cyclictest0-21swapper/309:33:573
884799200,9cyclictest0-21swapper/308:52:333
884799200,7cyclictest0-21swapper/310:51:183
884799200,13cyclictest0-21swapper/309:15:033
884299205,3cyclictest88350irq/128-enp1s0-08:00:262
884299205,3cyclictest88150irq/126-enp1s0-10:55:232
884299204,9cyclictest0-21swapper/212:06:442
884299204,9cyclictest0-21swapper/212:06:432
884299204,9cyclictest0-21swapper/209:17:042
884299201,5cyclictest22333-21dump-pmu-power11:20:012
884299201,12cyclictest0-21swapper/212:35:292
884299201,12cyclictest0-21swapper/212:16:422
884299201,12cyclictest0-21swapper/211:34:122
884299200,7cyclictest4079-21sed11:50:152
883699208,3cyclictest0-21swapper/109:17:431
8836992016,3cyclictest0-21swapper/111:35:451
883699201,4cyclictest26120-21munin-run10:15:011
883699201,3cyclictest29890-21diskmemload10:47:071
883699201,2cyclictest0-21swapper/108:21:561
883699201,18cyclictest0-21swapper/110:29:391
883699201,17cyclictest0-21swapper/110:36:161
883699201,11cyclictest0-21swapper/109:05:131
883699201,10cyclictest26730-21dump-pmu-power11:30:011
883699201,10cyclictest1625-21tr10:30:231
882999208,7cyclictest88150irq/126-enp1s0-11:53:300
882999203,15cyclictest12926-21munin-run09:45:000
882999202,6cyclictest3606-1kworker/u9:211:55:260
882999202,10cyclictest7785-21/usr/sbin/munin12:00:240
882999201,8cyclictest0-21swapper/010:35:230
8829992013,4cyclictest20408-21head10:00:150
882999201,11cyclictest20366-21/usr/sbin/munin11:15:120
882999201,11cyclictest0-21swapper/010:20:230
884799197,3cyclictest0-21swapper/311:54:123
884799197,3cyclictest0-21swapper/307:48:333
884799196,3cyclictest0-21swapper/307:50:293
884299194,9cyclictest0-21swapper/209:39:272
884299194,7cyclictest88150irq/126-enp1s0-12:25:252
884299194,3cyclictest88150irq/126-enp1s0-11:10:132
884299194,3cyclictest0-21swapper/210:35:202
884299193,9cyclictest0-21swapper/210:41:422
884299193,9cyclictest0-21swapper/210:19:072
884299193,8cyclictest88450irq/129-enp1s0-08:40:212
884299192,5cyclictest18279-21latency_hist07:30:012
884299192,5cyclictest18279-21latency_hist07:30:012
884299192,4cyclictest8218-21fschecks_count12:00:162
884299191,9cyclictest2495-21seq10:34:302
884299191,9cyclictest0-21swapper/211:35:092
884299191,6cyclictest25302-21grep11:25:152
884299191,5cyclictest7508-21cat09:30:182
884299191,4cyclictest23381-21timerwakeupswit10:05:252
884299191,15cyclictest20587-21sed08:45:252
883699191,17cyclictest0-21swapper/111:21:591
883699191,17cyclictest0-21swapper/108:38:201
883699190,7cyclictest3048-21grep08:05:251
882999197,4cyclictest0-21swapper/010:59:590
882999196,6cyclictest0-21swapper/010:51:350
882999196,5cyclictest0-21swapper/009:47:460
882999196,5cyclictest0-21swapper/009:47:460
882999196,4cyclictest0-21swapper/010:15:520
882999195,7cyclictest22061-21kworker/u8:112:07:120
882999195,7cyclictest22061-21kworker/u8:112:07:120
882999191,5cyclictest0-21swapper/010:40:210
882999191,11cyclictest0-21swapper/009:38:320
882999191,10cyclictest823-21snmpd07:42:320
882999191,10cyclictest22566-21/usr/sbin/munin11:20:210
882999191,10cyclictest10331-21/usr/sbin/munin08:25:150
882999191,10cyclictest0-21swapper/009:12:470
882999190,9cyclictest0-21swapper/011:42:420
882999190,6cyclictest0-21swapper/010:09:170
132842190,3sleep013287-21if_enp2s008:30:170
884799184,3cyclictest0-21swapper/308:41:563
884799183,3cyclictest0-21swapper/308:25:183
884799183,2cyclictest88350irq/128-enp1s0-07:20:553
884799181,7cyclictest25072-21cat07:45:013
884299184,3cyclictest12050irq/123-ahci[0007:45:022
884299183,9cyclictest0-21swapper/209:50:292
884299182,8cyclictest88150irq/126-enp1s0-08:35:252
884299181,9cyclictest0-21swapper/211:20:192
884299181,9cyclictest0-21swapper/211:06:412
884299181,5cyclictest28842-21awk07:50:252
8842991811,4cyclictest23985-21/usr/sbin/munin08:55:152
884299181,11cyclictest0-21swapper/212:30:582
884299181,10cyclictest0-21swapper/211:03:412
882999187,3cyclictest2263-21ntp_states11:45:210
882999185,4cyclictest0-21swapper/009:53:470
882999182,6cyclictest0-21swapper/010:31:470
882999181,9cyclictest823-21snmpd12:28:210
882999181,9cyclictest0-21swapper/009:30:040
882999181,8cyclictest0-21swapper/008:35:210
882999181,8cyclictest0-21swapper/007:47:320
8829991815,2cyclictest22691-21awk07:40:010
8829991813,3cyclictest8280-21tr08:20:130
882999181,11cyclictest0-21swapper/010:46:440
882999181,11cyclictest0-21swapper/009:19:000
882999181,11cyclictest0-21swapper/007:55:140
882999181,10cyclictest21319-21/usr/sbin/munin08:50:150
882999181,10cyclictest0-21swapper/009:21:420
55012181,3sleep00-21swapper/008:12:320
150712180,1sleep00-21swapper/012:15:160
884799173,3cyclictest0-21swapper/309:26:073
8847991712,3cyclictest3737-21/usr/sbin/munin08:10:213
884799170,7cyclictest0-21swapper/308:46:593
884299179,3cyclictest15154-21ntp_kernel_pll_07:20:192
884299178,3cyclictest0-21swapper/208:15:032
884299176,3cyclictest88350irq/128-enp1s0-07:30:192
884299175,3cyclictest4879-21grep08:10:232
884299173,3cyclictest12050irq/123-ahci[0008:00:022
884299171,9cyclictest0-21swapper/211:44:202
884299171,9cyclictest0-21swapper/210:20:192
884299171,6cyclictest0-21swapper/207:10:142
884299171,2cyclictest0-21swapper/207:45:202
8842991711,3cyclictest13814-21tail09:45:172
8842991711,3cyclictest13814-21tail09:45:172
8842991710,5cyclictest913-21sssd_nss08:05:162
8842991710,4cyclictest0-21swapper/207:35:202
882999175,3cyclictest0-21swapper/012:35:030
882999175,3cyclictest0-21swapper/012:30:040
882999174,4cyclictest24583-21ntpq08:55:220
882999172,12cyclictest5934-21/usr/sbin/munin08:15:160
882999172,12cyclictest14119-21/usr/sbin/munin07:20:210
882999171,6cyclictest24763-21/usr/sbin/munin11:25:260
882999171,6cyclictest19507-21dump-pmu-power10:00:010
882999171,15cyclictest0-21swapper/009:02:190
882999171,14cyclictest0-21swapper/007:26:470
882999171,14cyclictest0-21swapper/007:26:470
8829991711,3cyclictest28316-21netstat07:50:180
33432170,3sleep00-21swapper/008:08:020
187052171,2sleep00-21swapper/008:42:470
884299169,4cyclictest0-21swapper/209:00:112
884299161,9cyclictest0-21swapper/208:20:162
884299161,4cyclictest11940-21egrep07:15:122
884299161,14cyclictest0-21swapper/208:32:242
882999164,2cyclictest88150irq/126-enp1s0-07:30:240
882999161,2cyclictest0-21swapper/008:48:250
8829991612,3cyclictest0-21swapper/009:05:080
8829991611,3cyclictest13735-21seq07:18:130
107312161,2sleep00-21swapper/007:11:440
8829991510,3cyclictest31852-21grep08:00:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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