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2026-02-26 - 12:11
[ 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 #e, slot #4

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 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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackeslot4s.osadl.org (updated Thu Feb 26, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
938848996561,3cyclictest75-21kswapd022:17:133
938843994238,3cyclictest1130641-21kworker/u8:3+events_unbound22:17:102
938840994139,1cyclictest1135544-21fwupd22:17:111
938843993733,3cyclictest1125172-21gpgv22:10:012
938840993531,3cyclictest1140695-21kworker/u8:2+flush-259:022:30:011
938840993531,3cyclictest1140695-21kworker/u8:2+flush-259:022:30:001
938843993431,2cyclictest1177134-21kworker/u8:2+flush-259:023:50:232
938840993431,2cyclictest75-21kswapd023:35:031
938843993327,5cyclictest959894-21latency_hist19:30:002
938838993330,2cyclictest1067852-21kworker/u8:4+events_unbound21:20:190
938838993329,3cyclictest1239568-21kworker/u8:0+events_unbound00:20:200
938838993329,3cyclictest1156470-21kworker/u8:0+events_unbound22:40:190
938838993129,2cyclictest1140695-21kworker/u8:2+events_unbound22:25:000
938838993128,2cyclictest938807-21kworker/u8:1+events_unbound19:55:240
938838993128,2cyclictest1156470-21kworker/u8:0+flush-259:022:45:230
938848993026,3cyclictest1213125-21kworker/u8:0+events_unbound23:35:043
938838993027,2cyclictest1166778-21kworker/u8:3+flush-259:022:50:240
938838993027,2cyclictest1073446-21kworker/u8:0+flush-259:021:30:220
938840992922,5cyclictest252-21systemd-journal21:00:001
938838992926,2cyclictest938807-21kworker/u8:1+events_unbound19:50:220
938838992926,2cyclictest889731-21kworker/u8:3+flush-259:019:15:230
938838992926,2cyclictest889731-21kworker/u8:3+events_unbound20:10:180
938838992926,2cyclictest1140695-21kworker/u8:2+events_unbound22:30:200
938843992825,2cyclictest1166778-21kworker/u8:3+flush-259:023:15:012
938843992825,2cyclictest1156470-21kworker/u8:0+flush-259:022:45:012
938843992824,3cyclictest1260734-21base6400:20:012
938838992825,2cyclictest1006489-21kworker/u8:0+events_unbound20:35:190
938838992724,2cyclictest1006489-21kworker/u8:0+events_unbound20:20:190
938843992623,2cyclictest1062837-21kworker/u8:1+events_unbound22:35:142
938838992624,1cyclictest1073446-21kworker/u8:0+events_unbound22:05:220
938838992623,2cyclictest889731-21kworker/u8:3+events_unbound21:05:130
938848992521,3cyclictest1052598-21kworker/u8:2+events_unbound21:00:133
938840992523,2cyclictest1239568-21kworker/u8:0+events_unbound00:20:241
938840992520,4cyclictest1270941-21latency_hist00:30:011
938840992519,4cyclictest991030-21/usr/sbin/munin20:00:231
938840992517,6cyclictest1073382-21cat21:20:011
938838992522,2cyclictest938807-21kworker/u8:1+events_unbound19:25:200
938838992522,2cyclictest905152-21kworker/u8:2+events_unbound19:30:210
938838992522,2cyclictest1239568-21kworker/u8:0+events_unbound00:09:590
938838992522,2cyclictest1006489-21kworker/u8:0+events_unbound20:15:180
938838992521,3cyclictest889731-21kworker/u8:3+flush-259:019:35:150
938843992421,2cyclictest889731-21kworker/u8:3+flush-259:020:15:232
938840992420,3cyclictest252-21systemd-journal19:15:011
938840992420,3cyclictest1197609-21kworker/u8:0+events_unbound23:20:211
938840992419,4cyclictest1276145-21latency_hist00:35:011
938840992419,3cyclictest252-21systemd-journal20:40:401
938838992421,2cyclictest938807-21kworker/u8:1+events_unbound19:45:200
938838992421,2cyclictest211rcuc/020:55:210
938838992421,2cyclictest1067852-21kworker/u8:4+flush-259:021:25:190
938838992421,2cyclictest1062837-21kworker/u8:1+events_unbound22:25:210
938838992421,2cyclictest1062837-21kworker/u8:1+events_unbound22:25:210
938838992421,2cyclictest1006489-21kworker/u8:0+flush-259:020:40:150
938838992418,4cyclictest1026849-21latency_hist20:35:000
938848992319,3cyclictest889731-21kworker/u8:3+flush-259:020:55:263
938843992320,2cyclictest889731-21kworker/u8:3+flush-259:019:10:012
938843992319,3cyclictest1197962-21/usr/sbin/munin23:20:132
938843992319,2cyclictest1073439-21store21:20:012
938840992320,2cyclictest1203197-21kworker/u8:5+flush-259:023:40:171
938838992320,2cyclictest889731-21kworker/u8:3+events_unbound20:50:160
938838992320,2cyclictest1229183-21kworker/u8:1+events_unbound00:00:180
938838992320,2cyclictest1067852-21kworker/u8:4+flush-259:021:35:220
938838992320,2cyclictest1006489-21kworker/u8:0+events_unbound20:25:210
938848992218,3cyclictest1177134-21kworker/u8:2+flush-259:023:00:163
938848992216,4cyclictest944474-21base6419:15:013
938848992215,5cyclictest252-21systemd-journal22:45:013
938843992219,2cyclictest905152-21kworker/u8:2+flush-259:020:05:212
938843992219,2cyclictest1244977-21kworker/u8:3+flush-259:000:14:592
938843992219,2cyclictest1104513-21cut21:49:592
938843992218,3cyclictest938807-21kworker/u8:1+flush-259:019:40:202
938840992219,2cyclictest1166778-21kworker/u8:3+flush-259:023:10:231
938838992219,2cyclictest889731-21kworker/u8:3+flush-259:020:45:230
938838992219,2cyclictest1166778-21kworker/u8:3+events_unbound23:05:180
938838992219,2cyclictest1067852-21kworker/u8:4+events_unbound21:15:140
938838992219,2cyclictest1062837-21kworker/u8:1+flush-259:022:17:410
938838992218,3cyclictest1177134-21kworker/u8:2+events_unbound23:30:140
938848992117,3cyclictest1006489-21kworker/u8:0+events_unbound20:35:163
938843992119,2cyclictest1177134-21kworker/u8:2+flush-259:000:17:162
938843992118,2cyclictest905152-21kworker/u8:2+events_unbound19:20:002
938843992118,2cyclictest889731-21kworker/u8:3+flush-259:019:20:172
938843992118,2cyclictest1244977-21kworker/u8:3+events_unbound00:30:202
938843992118,2cyclictest1177134-21kworker/u8:2+flush-259:000:25:182
938840992117,3cyclictest889731-21kworker/u8:3+events_unbound21:05:191
938838992118,2cyclictest1177134-21kworker/u8:2+events_unbound23:50:180
938838992116,4cyclictest1250130-21apt-get00:10:090
938838992115,4cyclictest252-21systemd-journal21:54:590
938848992015,3cyclictest1260388-21cat00:20:003
938843992017,2cyclictest1187438-21kworker/u8:1+events_unbound23:15:202
938843992017,2cyclictest1166778-21kworker/u8:3+events_unbound23:05:212
938843992017,2cyclictest1073446-21kworker/u8:0+events_unbound22:00:202
938840992017,2cyclictest889731-21kworker/u8:3+flush-259:020:50:111
938840992017,2cyclictest1067852-21kworker/u8:4+events_unbound21:25:231
938840992016,3cyclictest905152-21kworker/u8:2+events_unbound20:10:251
938840992016,3cyclictest1156470-21kworker/u8:0+flush-259:022:51:571
938848991916,2cyclictest1006489-21kworker/u8:0+flush-259:020:20:213
938848991915,3cyclictest938807-21kworker/u8:1+flush-259:019:25:203
938848991915,3cyclictest889731-21kworker/u8:3+flush-259:020:45:003
938848991913,4cyclictest1084219-21/usr/sbin/munin21:30:133
938843991916,2cyclictest1073446-21kworker/u8:0+events_unbound21:35:192
938843991916,2cyclictest1062837-21kworker/u8:1+events_unbound21:50:202
938843991915,3cyclictest938807-21kworker/u8:1+flush-259:019:10:172
938840991915,3cyclictest252-21systemd-journal23:54:401
938838991917,2cyclictest889731-21kworker/u8:3+events_unbound19:20:220
938838991916,2cyclictest1203197-21kworker/u8:5+flush-259:023:40:180
938838991916,2cyclictest1177134-21kworker/u8:2+events_unbound23:55:260
938838991916,2cyclictest1166778-21kworker/u8:3+flush-259:022:55:240
938848991814,3cyclictest1073446-21kworker/u8:0+flush-259:022:05:213
938848991814,3cyclictest1073446-21kworker/u8:0+flush-259:021:35:153
938848991814,3cyclictest1037350-21kworker/u8:2+events_unbound20:45:183
938843991815,2cyclictest1203197-21kworker/u8:5+flush-259:023:40:242
938843991815,2cyclictest1067852-21kworker/u8:4+flush-259:021:20:222
938843991814,3cyclictest905152-21kworker/u8:2+flush-259:020:00:222
938840991815,2cyclictest1213125-21kworker/u8:0+events_unbound23:45:191
938840991814,3cyclictest938807-21kworker/u8:1+flush-259:019:45:191
938838991816,2cyclictest1213125-21kworker/u8:0+events_unbound23:45:210
938838991816,2cyclictest1052598-21kworker/u8:2+flush-259:021:00:240
938838991811,3cyclictest1062837-21kworker/u8:1+events_unbound22:35:130
938838991810,6cyclictest1103602-21ntpq21:45:180
938848991714,2cyclictest1104502-21idleruntime-cro21:49:593
938848991714,2cyclictest1099399-21apt21:45:003
938848991713,3cyclictest1213125-21kworker/u8:0+flush-259:023:45:203
938848991713,3cyclictest1177134-21kworker/u8:2+events_unbound23:55:233
938848991713,3cyclictest1151509-21/usr/sbin/munin22:35:133
938848991712,3cyclictest889731-21kworker/u8:3+flush-259:019:20:223
938848991712,3cyclictest1197609-21kworker/u8:0+events_unbound23:20:013
938848991712,3cyclictest1109907-21apt-get21:55:133
938843991715,2cyclictest889731-21kworker/u8:3+events_unbound20:50:232
938843991715,1cyclictest0-21swapper/223:50:002
938843991714,2cyclictest1239568-21kworker/u8:0+events_unbound00:05:222
938843991714,2cyclictest1052598-21kworker/u8:2+flush-259:021:00:152
938843991713,3cyclictest889731-21kworker/u8:3+flush-259:020:40:212
938840991715,2cyclictest1062837-21kworker/u8:1+flush-259:021:47:461
938840991715,1cyclictest0-21swapper/122:45:011
938840991714,2cyclictest889731-21kworker/u8:3+events_unbound20:30:191
938840991713,3cyclictest1166778-21kworker/u8:3+events_unbound22:55:151
938840991711,2cyclictest938807-21kworker/u8:1+events_unbound19:50:201
938838991714,2cyclictest60350irq/132-enp0s29f1:rx-023:35:120
938838991714,2cyclictest60350irq/132-enp0s29f1:rx-000:35:150
938838991714,2cyclictest1265992-21kworker/u8:4+events_unbound00:28:010
938838991714,2cyclictest1073446-21kworker/u8:0+events_unbound21:55:140
938848991613,2cyclictest1130607-21idleruntime-cro22:15:003
938848991613,2cyclictest1006489-21kworker/u8:0+events_unbound20:15:213
938843991613,2cyclictest1073446-21kworker/u8:0+flush-259:021:25:112
938843991613,2cyclictest1073446-21kworker/u8:0+events_unbound22:10:172
938843991613,2cyclictest1006489-21kworker/u8:0+flush-259:020:35:192
93884399160,1cyclictest1062822-21munin-run21:10:002
938840991613,2cyclictest905152-21kworker/u8:2+flush-259:019:30:231
938840991613,2cyclictest1177134-21kworker/u8:2+flush-259:000:15:551
938840991613,2cyclictest1177134-21kworker/u8:2+events_unbound23:32:001
938840991613,2cyclictest1140695-21kworker/u8:2+flush-259:022:30:231
938840991612,3cyclictest889731-21kworker/u8:3+events_unbound19:20:121
938840991612,3cyclictest1073446-21kworker/u8:0+events_unbound21:55:161
938840991612,3cyclictest1052598-21kworker/u8:2+events_unbound21:10:121
938838991613,2cyclictest60350irq/132-enp0s29f1:rx-023:17:410
938838991613,2cyclictest60350irq/132-enp0s29f1:rx-023:00:230
938838991613,2cyclictest60350irq/132-enp0s29f1:rx-020:03:020
938838991613,2cyclictest60350irq/132-enp0s29f1:rx-000:16:190
938838991613,2cyclictest1244977-21kworker/u8:3+events_unbound00:34:020
938838991612,3cyclictest1197609-21kworker/u8:0+flush-259:023:22:240
938838991612,3cyclictest1187438-21kworker/u8:1+events_unbound23:12:040
938838991612,3cyclictest1052598-21kworker/u8:2+events_unbound21:10:240
93884899159,4cyclictest943965-21apt-get19:15:003
938848991512,2cyclictest1197609-21kworker/u8:0+flush-259:023:20:173
938848991512,2cyclictest1006489-21kworker/u8:0+flush-259:020:30:263
938848991511,3cyclictest1239568-21kworker/u8:0+flush-259:000:10:223
938848991511,3cyclictest1213125-21kworker/u8:0+flush-259:023:35:003
938843991512,2cyclictest905152-21kworker/u8:2+events_unbound19:30:132
938843991512,2cyclictest889731-21kworker/u8:3+flush-259:020:55:232
938843991511,3cyclictest905152-21kworker/u8:2+events_unbound20:15:002
938843991511,3cyclictest1146626-21fschecks_time22:30:142
938840991512,2cyclictest938807-21kworker/u8:1+flush-259:019:55:201
938840991512,2cyclictest1265992-21kworker/u8:4+flush-259:000:35:181
938840991512,2cyclictest1177134-21kworker/u8:2+flush-259:023:05:001
938840991512,2cyclictest1166778-21kworker/u8:3+events_unbound23:05:201
938840991512,2cyclictest1073446-21kworker/u8:0+events_unbound21:35:211
938840991512,2cyclictest0-21swapper/119:40:001
938840991511,3cyclictest889731-21kworker/u8:3+events_unbound20:39:401
938840991511,3cyclictest1073446-21kworker/u8:0+flush-259:022:00:191
938840991510,4cyclictest0-21swapper/100:14:591
938838991513,1cyclictest60350irq/132-enp0s29f1:rx-023:27:000
938838991513,1cyclictest60350irq/132-enp0s29f1:rx-019:40:260
938848991411,2cyclictest1187438-21kworker/u8:1+flush-259:023:10:003
938848991410,3cyclictest1265992-21kworker/u8:4+flush-259:000:40:003
938843991412,2cyclictest938807-21kworker/u8:1+events_unbound19:45:152
938843991411,2cyclictest889731-21kworker/u8:3+events_unbound19:35:112
938843991411,2cyclictest1177134-21kworker/u8:2+events_unbound23:00:122
938843991411,2cyclictest1146155-21awk22:30:002
938843991411,2cyclictest1146155-21awk22:29:592
938843991410,3cyclictest1244977-21kworker/u8:3+events_unbound00:35:262
938843991410,3cyclictest1229183-21kworker/u8:1+events_unbound23:57:212
938843991410,3cyclictest1213125-21kworker/u8:0+flush-259:023:35:322
938843991410,3cyclictest1166778-21kworker/u8:3+flush-259:023:30:152
938840991412,1cyclictest1067852-21kworker/u8:4+events_unbound21:30:141
938840991411,2cyclictest938807-21kworker/u8:1+events_unbound19:40:201
938840991411,2cyclictest1208113-21cron23:30:001
938840991411,2cyclictest1052598-21kworker/u8:2+flush-259:021:00:191
938840991411,2cyclictest1037385-21apt-get20:45:121
938840991410,3cyclictest1156470-21kworker/u8:0+events_unbound22:45:131
938840991410,3cyclictest1062837-21kworker/u8:1+events_unbound22:35:231
938840991410,3cyclictest1062837-21kworker/u8:1+events_unbound21:40:201
938838991412,1cyclictest60350irq/132-enp0s29f1:rx-022:10:170
938838991412,1cyclictest60350irq/132-enp0s29f1:rx-022:03:260
938838991412,1cyclictest60350irq/132-enp0s29f1:rx-020:05:160
938838991411,2cyclictest60350irq/132-enp0s29f1:rx-021:41:280
93884899139,3cyclictest1062837-21kworker/u8:1+flush-259:021:20:153
938848991311,2cyclictest938807-21kworker/u8:1+events_unbound19:40:183
938848991311,1cyclictest938807-21kworker/u8:1+events_unbound20:00:153
938848991310,2cyclictest1239568-21kworker/u8:0+flush-259:000:05:113
938848991310,2cyclictest0-21swapper/300:35:003
93884399139,3cyclictest1177134-21kworker/u8:2+flush-259:023:25:212
938843991310,2cyclictest938807-21kworker/u8:1+flush-259:019:50:252
938843991310,2cyclictest1229183-21kworker/u8:1+events_unbound00:00:162
938843991310,2cyclictest1170960-21needreboot22:50:182
938843991310,2cyclictest1012069-21irqcore20:20:162
93884099139,3cyclictest1006489-21kworker/u8:0+events_unbound20:16:231
938840991311,1cyclictest1128030-21kthreadcore22:10:161
938840991310,2cyclictest1078385-21unixbench_singl21:20:241
938840991310,2cyclictest1062837-21kworker/u8:1+events_unbound21:50:181
938838991310,2cyclictest60350irq/132-enp0s29f1:rx-019:10:150
93884899129,2cyclictest889731-21kworker/u8:3+flush-259:020:50:243
93884899129,2cyclictest889731-21kworker/u8:3+flush-259:019:35:193
93884899129,2cyclictest1177134-21kworker/u8:2+flush-259:023:50:163
93884899129,2cyclictest1079213-21cpuspeed_turbos21:25:133
93884899128,3cyclictest1006489-21kworker/u8:0+flush-259:020:30:003
93884399129,2cyclictest938807-21kworker/u8:1+events_unbound19:55:112
93884399129,2cyclictest1037350-21kworker/u8:2+flush-259:020:45:152
93884099129,2cyclictest1244707-21cron00:05:001
93884099129,2cyclictest1187438-21kworker/u8:1+flush-259:023:15:181
93884099129,2cyclictest1177134-21kworker/u8:2+events_unbound23:55:121
93884099129,2cyclictest1012068-21sed20:20:161
93884099129,2cyclictest0-21swapper/119:15:171
93884899119,2cyclictest938807-21kworker/u8:1+flush-259:019:50:153
93884899118,2cyclictest1229183-21kworker/u8:1+flush-259:000:00:203
93884899118,2cyclictest1207705-21unixbench_singl23:25:263
93884899118,2cyclictest1167100-21cpuspeed_turbos22:50:123
93884899118,2cyclictest1070614-21kthreadcore21:15:163
93884899118,2cyclictest0-21swapper/320:10:003
93884899117,3cyclictest1062837-21kworker/u8:1+flush-259:022:25:233
93884899117,3cyclictest1062837-21kworker/u8:1+flush-259:022:25:233
93884399118,3cyclictest1006489-21kworker/u8:0+events_unbound20:34:552
93884399118,2cyclictest1006489-21kworker/u8:0+flush-259:020:25:102
93884399117,3cyclictest1062837-21kworker/u8:1+events_unbound22:21:512
93884099118,2cyclictest1130641-21kworker/u8:3+flush-259:022:20:191
93884099118,2cyclictest0-21swapper/100:05:201
93884899106,3cyclictest905152-21kworker/u8:2+flush-259:019:30:203
93884899104,4cyclictest252-21systemd-journal23:11:413
9388489996,2cyclictest1146827-21irqcore22:30:163
9388489995,3cyclictest1220670-21tr23:40:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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