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2026-01-18 - 19:41
[ 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 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.

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 Sun Jan 18, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1099883994034,4cyclictest1142826-21latency_hist08:00:011
1099888993832,4cyclictest1284558-21latency_hist10:20:022
1099880993630,4cyclictest1300016-21latency_hist10:35:000
1099888993327,4cyclictest1195101-21latency_hist08:55:002
1099888993327,4cyclictest1195101-21latency_hist08:55:002
1099888993327,4cyclictest1148019-21latency_hist08:05:012
1099880993328,4cyclictest252-21systemd-journal09:55:000
1099888993226,4cyclictest1115366-21latency_hist07:25:012
1099883993125,4cyclictest252-21systemd-journal07:20:001
1099880993026,3cyclictest1368727-21kworker/u8:3+flush-259:012:05:010
1099891992925,3cyclictest1216344-21apt-get09:15:123
1099883992823,4cyclictest252-21systemd-journal08:24:591
1099891992723,3cyclictest1120524-21kworker/u8:3+flush-259:008:00:013
1099891992722,3cyclictest1189293-21latency_hist08:45:003
1099883992621,4cyclictest1358188-21gpgv11:29:591
1099883992621,4cyclictest1135952-21gpgv07:45:001
1099883992521,3cyclictest509-21rs:main1
1099883992521,3cyclictest1241969-21apt-get09:40:001
1099880992522,2cyclictest1410899-21apt-get12:20:110
1099888992420,3cyclictest1173603-21kworker/u8:0+flush-259:008:55:172
1099888992418,5cyclictest252-21systemd-journal11:30:002
1099883992420,3cyclictest1426238-21gpgv12:35:011
1099880992420,3cyclictest1173603-21kworker/u8:0+flush-259:008:55:010
1099880992420,3cyclictest1173603-21kworker/u8:0+flush-259:008:55:000
1099891992319,3cyclictest1300037-21kworker/u8:0+flush-259:010:54:593
1099891992319,3cyclictest1294881-21latency_hist10:30:003
1099891992318,4cyclictest1099800-21latency_hist07:10:013
1099883992319,3cyclictest1337131-21kworker/u8:0+flush-259:011:35:211
1099880992320,2cyclictest1158329-21kworker/u8:3+events_unbound08:30:160
1099880992319,3cyclictest1184368-21/usr/sbin/munin08:40:230
109988099230,22cyclictest1-21systemd09:35:000
1099888992218,3cyclictest507-21in:imuxsock12:05:002
1099883992216,5cyclictest1184130-21latency_hist08:40:001
1099880992219,2cyclictest1321752-21kworker/u8:4+flush-259:011:00:150
1099891992118,2cyclictest1353017-21kworker/u8:1+events_unbound11:30:153
1099891992117,3cyclictest252-21systemd-journal12:35:013
1099883992116,3cyclictest252-21systemd-journal11:06:071
109988399211,1cyclictest0-21swapper/108:30:141
1099880992119,1cyclictest1431735-21munin-plugin-st12:40:010
1099880992118,2cyclictest1405742-21apt-get12:15:120
1099880992117,3cyclictest1342878-21/usr/sbin/munin11:15:120
1099880992117,3cyclictest1120524-21kworker/u8:3+flush-259:007:40:230
1099891992016,3cyclictest1184166-21kworker/u8:2+flush-259:009:35:283
1099891992016,3cyclictest1130807-21kworker/u8:0+flush-259:008:00:123
1099891992015,4cyclictest1231263-40mandb09:26:073
109988899205,4cyclictest1226749-21/usr/sbin/munin09:25:122
109988899204,5cyclictest1135589-21sshd07:41:082
1099888992014,4cyclictest1268257-21latency_hist10:05:012
1099888992013,5cyclictest252-21systemd-journal09:45:002
1099883992014,4cyclictest1263319-21/usr/sbin/munin10:00:121
1099880992016,3cyclictest1337139-21kworker/u8:2+events_unbound11:45:000
1099880992016,3cyclictest1142849-21kworker/u8:1+events_unbound08:10:020
1099891991916,2cyclictest1142849-21kworker/u8:1+flush-259:008:20:003
1099891991915,3cyclictest1416053-21apt-get12:25:113
1099891991914,4cyclictest1325831-21ntpq10:55:213
1099891991914,4cyclictest1273848-21latency_hist10:10:003
109988899194,4cyclictest1206403-21basename09:05:172
1099888991916,1cyclictest0-21swapper/212:30:012
1099888991913,4cyclictest1110205-21latency_hist07:20:012
109988399198,9cyclictest1125640-21latency_hist07:35:011
1099883991915,3cyclictest252-21systemd-journal10:34:541
1099883991915,3cyclictest1100069-21/usr/sbin/munin07:10:161
1099883991913,4cyclictest252-21systemd-journal08:44:071
1099883991910,8cyclictest61-21kcompactd011:05:001
1099880991916,2cyclictest1353017-21kworker/u8:1+events_unbound11:55:230
1099880991916,2cyclictest1142849-21kworker/u8:1+flush-259:008:25:170
1099880991916,2cyclictest1142849-21kworker/u8:1+events_unbound08:15:010
1099880991916,2cyclictest1130807-21kworker/u8:0+flush-259:008:00:100
1099880991916,2cyclictest1100055-21kworker/u8:3+flush-259:007:10:170
1099880991915,3cyclictest1410650-21kworker/u8:3+flush-259:012:25:250
1099880991914,4cyclictest1342636-21latency_hist11:15:000
1099891991815,2cyclictest1368727-21kworker/u8:3+flush-259:011:40:253
1099891991814,3cyclictest1158329-21kworker/u8:3+events_unbound08:35:233
1099891991813,3cyclictest252-21systemd-journal09:40:003
109988899184,4cyclictest1167825-21ntpq08:20:342
109988899183,4cyclictest1221496-21sshd09:20:062
1099888991814,3cyclictest0-21swapper/211:45:002
109988399187,9cyclictest1326707-21latency_hist11:00:011
109988399186,2cyclictest1369548-21ps11:40:161
109988399186,1cyclictest0-21swapper/107:55:011
109988399184,3cyclictest1262231-21awk09:55:231
1099880991815,2cyclictest1390029-21kworker/u8:0+flush-259:012:10:180
1099880991815,2cyclictest1284306-21kworker/u8:2+flush-259:010:44:050
1099880991815,2cyclictest1158329-21kworker/u8:3+flush-259:009:20:180
1099880991814,3cyclictest1337139-21kworker/u8:2+flush-259:011:35:160
1099880991814,2cyclictest0-21swapper/011:55:000
1099891991715,1cyclictest0-21swapper/311:40:003
1099891991715,1cyclictest0-21swapper/310:00:003
1099891991714,2cyclictest1337139-21kworker/u8:2+events_unbound11:45:203
1099891991712,4cyclictest1251857-21ntpq09:45:213
109988899177,9cyclictest1352999-21awk11:25:002
109988899174,2cyclictest1188432-21ntpq08:40:202
109988899173,6cyclictest1400310-21munin-plugin-st12:10:002
109988899173,4cyclictest1404663-21ld12:10:212
109988899173,4cyclictest1390004-21systemd-run12:00:002
109988899173,4cyclictest1173615-21taskset08:27:422
109988899173,4cyclictest1137258-21dpkg07:50:072
1099888991714,2cyclictest1234192-21kthreadcore09:30:192
1099888991713,3cyclictest507-21in:imuxsock08:19:592
1099888991711,4cyclictest1153709-21fw_forwarded_lo08:10:142
109988399176,1cyclictest0-21swapper/108:10:021
109988399175,4cyclictest1321624-21sed10:55:011
109988399175,2cyclictest1216542-21fschecks_count09:15:151
1099883991713,3cyclictest1337707-21/usr/sbin/munin11:10:161
1099883991711,5cyclictest1310751-21latency_hist10:45:011
1099880991714,2cyclictest60350irq/132-enp0s29f1:rx-010:00:210
1099880991714,2cyclictest1130807-21kworker/u8:0+events_unbound07:55:000
1099891991614,1cyclictest1174516-21irqcore08:30:173
1099891991614,1cyclictest0-21swapper/311:05:003
1099891991613,2cyclictest1135925-21apt-get07:45:003
1099891991612,3cyclictest1267880-21kworker/u8:0+flush-259:010:10:163
109988899164,7cyclictest1316784-21df10:50:122
1099888991614,1cyclictest1257886-21cron09:55:002
1099888991614,1cyclictest0-21swapper/207:50:002
1099888991611,3cyclictest1179439-21diskstats08:35:142
109988399169,5cyclictest252-21systemd-journal11:55:001
109988399169,5cyclictest1410637-21latency_hist12:20:011
109988399166,1cyclictest0-21swapper/110:25:181
109988399164,3cyclictest1311234-21cut10:45:141
109988399164,1cyclictest0-21swapper/110:20:061
1099883991613,2cyclictest1305189-21gpgv10:39:591
1099883991613,2cyclictest1205804-21basename09:05:011
1099883991613,2cyclictest1205804-21basename09:05:001
1099883991612,3cyclictest252-21systemd-journal12:04:551
1099883991610,5cyclictest1215175-21ntpq09:10:181
109988399160,2cyclictest1400466-21cat12:10:011
109988399160,2cyclictest1347894-21cat11:20:001
1099880991614,1cyclictest60350irq/132-enp0s29f1:rx-010:45:180
1099880991614,1cyclictest60350irq/132-enp0s29f1:rx-009:27:570
1099880991614,1cyclictest1337139-21kworker/u8:2+events_unbound11:20:190
1099880991613,2cyclictest60350irq/132-enp0s29f1:rx-008:23:020
1099880991613,2cyclictest60350irq/132-enp0s29f1:rx-007:35:130
1099880991613,2cyclictest1273879-21kworker/u8:1+flush-259:010:35:180
1099880991613,2cyclictest1184166-21kworker/u8:2+flush-259:009:56:080
1099880991612,3cyclictest1110224-21kworker/u8:1+events_unbound07:30:150
109989199157,7cyclictest0-21swapper/307:25:003
1099891991512,2cyclictest1368727-21kworker/u8:3+events_unbound12:00:153
1099891991512,2cyclictest1184166-21kworker/u8:2+flush-259:009:10:143
1099891991512,2cyclictest1154439-21kthreadcore08:10:183
1099891991511,3cyclictest1426127-21apt-get12:35:013
109988899154,9cyclictest1426118-21latency_hist12:35:012
109988899153,7cyclictest1100252-21df_inode07:10:142
109988899153,2cyclictest1119613-21ntpq07:25:222
1099888991513,1cyclictest1315918-21cron10:50:002
1099888991513,1cyclictest1-21systemd08:50:012
1099888991512,2cyclictest1363704-21cron11:34:592
109988399159,5cyclictest1130807-21kworker/u8:0+flush-259:007:50:001
1099883991511,2cyclictest0-21swapper/107:25:001
1099883991510,3cyclictest1195724-21base6408:55:011
1099880991514,1cyclictest60350irq/132-enp0s29f1:rx-008:09:470
1099880991513,2cyclictest60350irq/132-enp0s29f1:rx-012:05:010
1099880991513,1cyclictest60350irq/132-enp0s29f1:rx-010:22:400
1099880991513,1cyclictest60350irq/132-enp0s29f1:rx-009:42:590
1099880991513,1cyclictest60350irq/132-enp0s29f1:rx-009:10:160
1099880991512,2cyclictest60350irq/132-enp0s29f1:rx-010:27:080
1099880991512,2cyclictest60350irq/132-enp0s29f1:rx-010:15:120
1099880991512,2cyclictest60350irq/132-enp0s29f1:rx-007:25:160
1099880991512,2cyclictest1158329-21kworker/u8:3+flush-259:008:45:150
1099880991511,3cyclictest1390029-21kworker/u8:0+events_unbound12:30:200
1099891991413,1cyclictest1337139-21kworker/u8:2+events_unbound11:20:153
1099891991412,1cyclictest0-21swapper/310:40:003
1099891991411,2cyclictest1268464-21gpgv10:05:013
1099891991411,2cyclictest1158329-21kworker/u8:3+flush-259:008:45:223
1099891991411,2cyclictest1120524-21kworker/u8:3+flush-259:007:35:153
1099891991410,3cyclictest1390029-21kworker/u8:0+flush-259:012:10:163
1099891991410,3cyclictest1284306-21kworker/u8:2+events_unbound10:20:193
1099891991410,2cyclictest0-21swapper/307:55:003
109988899149,3cyclictest1409728-21ntpq12:15:212
109988899147,5cyclictest1178146-21ntpq08:30:222
109988899146,5cyclictest1216465-21tr09:15:142
109988899143,6cyclictest1284992-21diskstats10:20:132
109988899143,2cyclictest1278370-21memory10:10:182
109988899143,2cyclictest1272785-21memory10:05:192
109988899143,2cyclictest1201946-21irqstats09:00:182
109988899143,2cyclictest1201946-21irqstats09:00:182
109988899143,2cyclictest1148583-21hddtemp_smartct08:05:162
109988899142,2cyclictest1327146-21diskstats11:00:122
1099888991411,2cyclictest1305161-21cron10:39:592
1099888991410,3cyclictest252-21systemd-journal07:40:002
109988399149,4cyclictest1353017-21kworker/u8:1+flush-259:011:58:371
109988399148,5cyclictest252-21systemd-journal09:06:071
109988399141,5cyclictest1246600-21ntpq09:40:221
1099883991411,2cyclictest1278576-21ntp_kernel_pll_10:10:201
1099883991410,3cyclictest1142849-21kworker/u8:1+flush-259:008:10:161
1099883991410,2cyclictest0-21swapper/111:35:001
109988399140,6cyclictest1129860-21ntpq07:35:191
1099880991413,1cyclictest60350irq/132-enp0s29f1:rx-011:07:220
1099880991412,2cyclictest60350irq/132-enp0s29f1:rx-008:55:170
1099880991411,2cyclictest60350irq/132-enp0s29f1:rx-009:45:100
1099880991411,2cyclictest1353017-21kworker/u8:1+events_unbound11:25:220
1099880991411,2cyclictest1221262-21turbostat.cron09:20:010
1099880991411,2cyclictest1158329-21kworker/u8:3+events_unbound09:00:180
1099880991411,2cyclictest1158329-21kworker/u8:3+events_unbound09:00:170
1099880991410,3cyclictest1216097-21kworker/u8:0+flush-259:009:35:150
1099880991410,3cyclictest1179276-21apt-get08:35:110
109989199139,3cyclictest1273879-21kworker/u8:1+flush-259:010:40:053
1099891991310,2cyclictest1395478-21cpuspeed_turbos12:05:143
1099891991310,2cyclictest1273879-21kworker/u8:1+flush-259:010:20:013
1099891991310,2cyclictest1184166-21kworker/u8:2+flush-259:009:32:443
1099891991310,2cyclictest1110190-21idleruntime-cro07:20:003
109988899138,3cyclictest1251820-21ntpq09:45:202
109988899138,3cyclictest1211335-21grep09:10:102
109988899138,3cyclictest1124741-21ntpq07:30:222
109988899137,4cyclictest1299379-21find10:30:222
109988899136,5cyclictest1347863-21grep11:20:002
109988899136,5cyclictest1290057-21grep10:25:142
109988899136,5cyclictest1259495-21grep09:55:172
109988899135,6cyclictest1099985-21sed07:10:012
109988899135,5cyclictest1431930-21latency_hist12:40:012
109988899135,5cyclictest1142841-21idleruntime-cro08:00:002
109988899135,1cyclictest1242340-21cat09:40:002
109988899134,2cyclictest1341840-21ntp_states11:10:242
109988899133,2cyclictest1379668-21df11:50:122
109988899133,1cyclictest1412575-21grep12:20:172
109988399139,3cyclictest1158329-21kworker/u8:3+flush-259:008:45:161
1099883991310,2cyclictest1255288-21sort09:50:161
1099883991310,2cyclictest1247917-21cpuspeed_turbos09:45:121
109988099139,3cyclictest1231622-21kworker/u8:4+flush-259:010:05:260
109988099138,4cyclictest252-21systemd-journal07:46:070
1099880991312,1cyclictest60350irq/132-enp0s29f1:rx-010:13:130
1099880991311,2cyclictest61150irq/133-enp0s29f1:tx-011:45:160
1099880991311,1cyclictest61150irq/133-enp0s29f1:tx-007:55:070
1099880991311,1cyclictest60350irq/132-enp0s29f1:rx-009:06:380
1099880991311,1cyclictest60350irq/132-enp0s29f1:rx-007:15:160
1099880991310,2cyclictest60350irq/132-enp0s29f1:rx-011:30:120
1099880991310,2cyclictest60350irq/132-enp0s29f1:rx-010:50:140
1099880991310,2cyclictest1321205-21kworker/u8:1+flush-259:010:55:120
109989199129,2cyclictest1343163-21fschecks_time11:15:113
109989199129,2cyclictest1201188-21fschecks_time09:00:143
109989199129,2cyclictest1201188-21fschecks_time09:00:143
109989199129,2cyclictest1195852-21cpuspeed_turbos08:55:083
109989199129,2cyclictest1120524-21kworker/u8:3+flush-259:008:05:213
109989199128,3cyclictest1337139-21kworker/u8:2+events_unbound11:10:203
109989199127,4cyclictest1357287-21ntpq11:25:203
109988899126,4cyclictest1325754-21grep10:55:192
109988899126,4cyclictest1305943-21cpuspeed_turbos10:40:142
109988899124,6cyclictest1332716-21expr11:05:132
109988899122,2cyclictest1374475-21df_inode11:45:142
109988399129,2cyclictest1234192-21tr09:30:191
109988399129,2cyclictest1115829-21fschecks_count07:25:141
109988399126,4cyclictest252-21systemd-journal08:19:591
109988399125,4cyclictest1148024-21munin-run08:05:001
109988099129,2cyclictest61150irq/133-enp0s29f1:tx-007:23:080
109989199119,1cyclictest1409651-21needreboot12:15:203
109989199119,1cyclictest0-21swapper/308:24:593
109989199118,2cyclictest1315075-21ntp_kernel_pll_10:45:223
109989199118,2cyclictest1305814-21kworker/u8:3+events_unbound11:05:133
109989199118,2cyclictest1100162-21cpuspeed_turbos07:10:133
109988399117,2cyclictest0-21swapper/108:25:111
109989199108,1cyclictest1295246-21tr10:30:113
109989199108,1cyclictest0-21swapper/309:50:113
109989199106,3cyclictest1384136-21sshd11:52:073
109989199106,3cyclictest1110224-21kworker/u8:1+events_unbound07:30:193
10998919997,1cyclictest0-21swapper/311:55:173
10998839996,2cyclictest1221791-21fschecks_time09:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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