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2026-02-28 - 18:54
[ 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 #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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot3s.osadl.org (updated Sat Feb 28, 2026 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2352475991022,3cyclictest0-21swapper/010:30:020
2352475999185,3cyclictest0-21swapper/009:55:020
2352475999185,3cyclictest0-21swapper/009:55:010
235247599822,11cyclictest2404482-21modprobe10:55:000
235247599792,12cyclictest2382652-21ssh10:04:510
2352484997828,35cyclictest30-21ksoftirqd/207:40:022
2352475997815,15cyclictest2398500-21ssh10:40:470
2352475997740,33cyclictest16950irq/224-800000008:15:000
2352475997712,14cyclictest2390065-21ssh10:21:250
2352475997517,42cyclictest16850irq/134-800000012:18:280
2352475997515,14cyclictest2384671-21ssh10:09:260
235247599739,6cyclictest16850irq/134-800000010:58:060
2352475997227,40cyclictest2449303-21ssh12:37:350
235247599722,64cyclictest2371854-21munin-plugin-st09:40:010
2352475997125,30cyclictest2400811-21ssh10:46:070
2352475997116,14cyclictest2416022-21ssh11:21:070
2352475997025,41cyclictest2428186-21ssh11:49:240
2352475996959,7cyclictest2358705-21diskmemload09:25:020
2352475996954,8cyclictest0-21swapper/011:30:020
2352475996729,35cyclictest16950irq/224-800000009:05:010
235247599661,61cyclictest2388832-21ssh10:18:550
2352475996610,6cyclictest16850irq/134-800000011:10:400
235247599652,4cyclictest2436520-21ssh12:08:180
2352475996518,29cyclictest2367084-21ssh09:28:590
235247599651,58cyclictest2414884-21ssh11:18:490
235247599651,21cyclictest0-21swapper/011:25:080
235247599642,15cyclictest2368032-21sshd09:30:530
2352475996417,42cyclictest2409757-21rm11:06:410
2352475996417,40cyclictest275-21dbus-daemon07:35:010
2352475996416,43cyclictest3467718-21lldpd09:41:120
2352475996411,34cyclictest12-21ksoftirqd/009:15:020
2352475996350,10cyclictest3467602-21systemd-journal11:50:020
2352475996350,10cyclictest3467602-21systemd-journal11:50:010
235247599632,14cyclictest2355022-21sshd07:56:310
235247599631,4cyclictest2397971-21cron10:40:000
235247599631,4cyclictest2397971-21cron10:40:000
235247599624,49cyclictest2352477-21cat07:10:020
2352475996228,30cyclictest16950irq/224-800000011:04:590
2352475996224,34cyclictest0-21swapper/012:02:320
2352475996224,34cyclictest0-21swapper/012:02:310
235247599621,56cyclictest364-21snmpd08:57:120
235247599621,56cyclictest364-21snmpd08:57:110
2352475996215,5cyclictest16850irq/134-800000012:25:020
235247599621,45cyclictest0-21swapper/010:14:450
235247599621,13cyclictest2358685-21sshd09:09:320
2352475996136,22cyclictest16950irq/224-800000012:10:230
235247599612,13cyclictest2357629-21sshd08:45:310
2352475996120,37cyclictest2374636-21ssh09:46:000
2352475996116,43cyclictest0-21swapper/011:42:350
2352475996115,7cyclictest16850irq/134-800000009:18:460
2352475996115,7cyclictest16850irq/134-800000009:18:450
235247599611,56cyclictest0-21swapper/010:30:460
235247599611,56cyclictest0-21swapper/010:30:450
235247599611,14cyclictest364-21snmpd11:56:450
2352475996023,33cyclictest2354514-21sshd07:45:270
235247599602,17cyclictest2379052-21ssh09:56:130
235247599602,14cyclictest2357387-21sshd08:42:330
235247599602,14cyclictest2357387-21sshd08:42:330
235247599601,2cyclictest0-21swapper/012:29:490
2352484995947,6cyclictest2346646-21kworker/2:108:20:002
2352484995947,6cyclictest2346646-21kworker/2:108:20:002
2352475995817,34cyclictest309-21in:imuxsock07:20:000
235247599581,53cyclictest0-21swapper/011:37:470
2352475995722,32cyclictest12-21ksoftirqd/012:34:310
2352475995712,12cyclictest2353497-21sshd07:29:330
2352484995648,5cyclictest2346646-21kworker/2:109:55:522
2352475995621,31cyclictest0-21swapper/007:51:460
2352475995621,29cyclictest1398370-1kworker/0:0H07:15:020
2352484995546,6cyclictest2346646-21kworker/2:107:55:012
2352480995545,6cyclictest131rcu_preempt11:05:021
235247599552,13cyclictest2356608-21sshd08:28:320
2352484995446,5cyclictest2352957-21kworker/2:307:25:022
235247599542,14cyclictest2356852-21modprobe08:31:330
2352475995416,34cyclictest1-21systemd08:20:010
2352475995416,34cyclictest1-21systemd08:20:000
2352484995345,5cyclictest2356403-21kworker/2:209:37:082
2352480995334,15cyclictest275-21dbus-daemon09:15:001
2352475995310,3cyclictest0-21swapper/008:03:550
2352489995235,13cyclictest1-21systemd10:25:003
2352484995244,5cyclictest2404525-21kworker/2:212:17:032
2352484995243,6cyclictest2418604-21kworker/2:011:57:592
2352475995214,9cyclictest12-21ksoftirqd/007:45:000
2352475995214,9cyclictest12-21ksoftirqd/007:45:000
235247599521,13cyclictest364-21snmpd08:35:100
2352484995143,5cyclictest2418604-21kworker/2:011:51:412
2352484995143,5cyclictest2418604-21kworker/2:011:51:402
2352484995143,5cyclictest2404525-21kworker/2:212:22:442
2352484995143,5cyclictest2346646-21kworker/2:109:14:572
2352484995142,6cyclictest2404525-21kworker/2:211:36:382
2352484995142,5cyclictest2346646-21kworker/2:109:19:592
2352484995142,5cyclictest2346646-21kworker/2:109:19:592
235248099517,40cyclictest2354008-21kworker/u8:307:55:021
2352480995137,11cyclictest3467602-21systemd-journal08:10:011
2352480995137,11cyclictest3467602-21systemd-journal08:10:001
2352480995135,12cyclictest3467602-21systemd-journal08:40:011
2352480995128,18cyclictest275-21dbus-daemon09:05:001
2352489995033,13cyclictest3467602-21systemd-journal10:45:003
2352484995043,4cyclictest2384940-21kworker/2:310:36:192
2352484995043,4cyclictest2384940-21kworker/2:310:36:182
2352484995042,5cyclictest2404525-21kworker/2:212:33:472
2352484995042,5cyclictest2384940-21kworker/2:310:55:022
2352484995041,5cyclictest2384940-21kworker/2:310:40:242
235248499501,4cyclictest131rcu_preempt10:10:002
235248099507,34cyclictest2354012-21modprobe07:39:591
2352480995031,14cyclictest275-21dbus-daemon12:25:011
2352480995030,13cyclictest2415375-21cron11:20:001
2352489994934,12cyclictest275-21dbus-daemon09:25:013
2352484994942,4cyclictest2346646-21kworker/2:109:46:572
2352484994941,5cyclictest2404525-21kworker/2:211:26:552
2352484994941,5cyclictest2384940-21kworker/2:311:10:002
2352484994941,5cyclictest2346646-21kworker/2:110:14:092
2352484994941,5cyclictest2346646-21kworker/2:108:53:522
2352484994940,6cyclictest2346646-21kworker/2:109:54:092
2352484994940,6cyclictest2346646-21kworker/2:109:54:082
2352484994940,5cyclictest2384940-21kworker/2:310:32:542
2352484994940,5cyclictest2384940-21kworker/2:310:32:542
2352484994940,5cyclictest2352957-21kworker/2:307:50:022
2352484994938,6cyclictest2384940-21kworker/2:311:19:592
2352480994932,13cyclictest2432806-21systemd-run12:00:011
2352480994930,15cyclictest275-21dbus-daemon09:35:021
235247599493,41cyclictest2353254-21modprobe07:25:000
2352475994911,4cyclictest2354219-21latency_hist07:40:030
2352489994835,9cyclictest1-21systemd12:05:013
2352489994835,9cyclictest1-21systemd12:05:003
2352484994840,5cyclictest2418604-21kworker/2:012:10:382
2352484994840,5cyclictest2384940-21kworker/2:311:00:152
2352484994835,9cyclictest3467602-21systemd-journal08:39:592
235248499482,4cyclictest131rcu_preempt09:32:422
235248099485,7cyclictest131rcu_preempt10:45:011
2352480994828,13cyclictest23-21ksoftirqd/107:20:011
2352480994826,17cyclictest275-21dbus-daemon10:55:011
2352475994818,26cyclictest0-21swapper/008:25:020
2352489994732,12cyclictest37-21ksoftirqd/309:00:013
2352489994732,12cyclictest37-21ksoftirqd/309:00:003
2352484994739,5cyclictest2418604-21kworker/2:012:36:502
2352484994739,5cyclictest2384940-21kworker/2:310:47:352
2352480994732,11cyclictest2378598-21sed09:55:031
2352480994732,11cyclictest2378598-21sed09:55:031
2352480994712,5cyclictest131rcu_preempt11:45:021
235248999464,7cyclictest37-21ksoftirqd/310:30:323
235248999464,7cyclictest37-21ksoftirqd/310:30:323
235248999463,4cyclictest131rcu_preempt08:00:003
2352489994631,12cyclictest2447129-21sshd12:32:323
2352489994630,12cyclictest3467602-21systemd-journal10:54:593
2352484994638,5cyclictest2404525-21kworker/2:211:24:302
2352484994637,6cyclictest2384940-21kworker/2:310:20:012
2352484994637,6cyclictest2356403-21kworker/2:210:01:022
2352484994637,6cyclictest2346646-21kworker/2:108:28:212
2352484994637,5cyclictest2356403-21kworker/2:209:41:092
2352484994631,12cyclictest1-21systemd08:45:012
2352484994631,12cyclictest1-21systemd08:45:012
2352480994624,15cyclictest275-21dbus-daemon10:40:011
2352480994624,15cyclictest275-21dbus-daemon10:40:011
2352489994535,7cyclictest2427118-21sshd11:46:333
2352489994533,9cyclictest3467602-21systemd-journal08:06:323
2352489994533,9cyclictest3467602-21systemd-journal08:06:313
2352489994532,9cyclictest275-21dbus-daemon11:40:013
2352489994530,10cyclictest3467602-21systemd-journal09:49:593
2352489994529,12cyclictest2380738-21cat10:00:013
235248999451,4cyclictest131rcu_preempt09:05:003
235248499459,6cyclictest131rcu_preempt10:55:022
2352484994536,6cyclictest2384940-21kworker/2:311:14:182
2352480994531,9cyclictest309-21in:imuxsock10:45:031
2352480994527,10cyclictest2367442-21modprobe09:30:001
235248099452,3cyclictest131rcu_preempt11:28:321
2352480994521,18cyclictest275-21dbus-daemon11:35:001
2352480994519,20cyclictest275-21dbus-daemon08:35:001
2352489994435,5cyclictest2363117-21sendmail09:20:003
2352489994435,5cyclictest2363117-21sendmail09:20:003
235248999443,3cyclictest131rcu_preempt10:40:023
235248999443,3cyclictest131rcu_preempt10:40:013
2352489994432,9cyclictest3467602-21systemd-journal10:48:323
2352489994432,5cyclictest309-21in:imuxsock11:30:003
2352489994428,11cyclictest1-21systemd08:25:013
2352484994436,5cyclictest2418604-21kworker/2:012:09:082
2352484994436,5cyclictest2384940-21kworker/2:310:27:542
2352484994428,12cyclictest1-21systemd08:10:012
2352484994428,12cyclictest1-21systemd08:10:002
235248099446,26cyclictest2358703-21sh09:10:001
2352480994433,8cyclictest23-21ksoftirqd/110:20:021
2352480994432,8cyclictest2355063-21munin-plugin-st08:00:001
2352480994427,12cyclictest2363311-21sed09:20:031
2352480994427,12cyclictest2363311-21sed09:20:031
2352480994426,14cyclictest2406674-21cron11:00:001
2352480994424,16cyclictest23-21ksoftirqd/111:05:051
235248999439,3cyclictest131rcu_preempt11:04:273
235248999434,3cyclictest131rcu_preempt12:11:263
2352489994328,12cyclictest275-21dbus-daemon08:05:013
2352489994327,12cyclictest2421942-21cut11:35:023
2352489994325,14cyclictest3467602-21systemd-journal09:15:003
2352489994325,14cyclictest1-21systemd07:15:013
235248499438,6cyclictest131rcu_preempt12:03:412
235248499438,6cyclictest131rcu_preempt12:03:412
2352484994335,5cyclictest2404525-21kworker/2:211:46:272
2352484994335,5cyclictest2384940-21kworker/2:310:23:522
2352484994328,11cyclictest30-21ksoftirqd/212:30:012
235248099433,8cyclictest311-21rs:main1
2352480994332,6cyclictest2395097-21sh10:33:091
2352480994332,6cyclictest2395097-21sh10:33:081
2352480994331,8cyclictest2357640-21sshd08:47:331
2352480994329,11cyclictest2435004-21systemd-run12:05:011
2352480994329,11cyclictest2435004-21systemd-run12:05:011
2352480994329,11cyclictest2430674-21systemd-run11:55:011
2352480994329,11cyclictest2430674-21systemd-run11:55:011
235248099432,3cyclictest131rcu_preempt10:21:221
235247599432,9cyclictest2355725-21sort08:10:030
235247599432,9cyclictest2355725-21sort08:10:020
2352489994228,11cyclictest37-21ksoftirqd/311:55:023
2352489994228,11cyclictest37-21ksoftirqd/311:55:013
2352489994228,11cyclictest37-21ksoftirqd/310:02:003
2352489994228,10cyclictest37-21ksoftirqd/308:50:023
235248999422,3cyclictest131rcu_preempt12:05:143
2352484994233,5cyclictest2404525-21kworker/2:211:42:142
2352484994230,8cyclictest30-21ksoftirqd/208:49:592
2352480994227,11cyclictest275-21dbus-daemon12:30:011
2352480994226,12cyclictest0-21swapper/111:35:111
2352480994223,13cyclictest2382725-21munin-plugin-st10:05:011
2352480994218,5cyclictest23-21ksoftirqd/109:35:051
235248099421,5cyclictest131rcu_preempt10:15:011
2352489994128,10cyclictest37-21ksoftirqd/309:44:403
2352489994128,10cyclictest37-21ksoftirqd/309:34:233
2352489994127,9cyclictest37-21ksoftirqd/312:25:013
235248999412,3cyclictest131rcu_preempt10:20:003
235248999411,3cyclictest131rcu_preempt09:50:043
235248999411,3cyclictest131rcu_preempt09:50:043
2352489994113,6cyclictest131rcu_preempt09:05:023
2352484994133,5cyclictest2356403-21kworker/2:209:26:012
2352480994129,9cyclictest23-21ksoftirqd/108:25:011
2352480994127,11cyclictest23-21ksoftirqd/112:19:321
2352480994111,25cyclictest1-21systemd12:10:011
2352489994027,10cyclictest37-21ksoftirqd/310:09:193
2352489994026,11cyclictest2450505-21latency_hist12:40:033
2352489994025,12cyclictest2411031-21munin-run11:10:013
2352489994025,11cyclictest37-21ksoftirqd/311:56:413
235248999402,4cyclictest131rcu_preempt07:40:013
2352489994024,12cyclictest37-21ksoftirqd/312:19:223
2352489994024,12cyclictest1-21systemd08:35:013
235248999401,3cyclictest131rcu_preempt09:40:013
2352484994028,9cyclictest2355095-21pluginstate08:00:022
235248099403,3cyclictest131rcu_preempt09:23:461
2352480994029,8cyclictest23-21ksoftirqd/108:55:011
2352480994027,10cyclictest23-21ksoftirqd/110:00:011
2352480994024,11cyclictest2356136-21systemctl08:20:011
2352480994024,11cyclictest2356136-21systemctl08:20:001
2352480994018,17cyclictest275-21dbus-daemon08:45:011
2352480994018,17cyclictest275-21dbus-daemon08:45:011
2352475994013,4cyclictest0-21swapper/008:51:080
2352489993927,9cyclictest37-21ksoftirqd/311:10:403
2352489993926,10cyclictest37-21ksoftirqd/308:20:003
2352489993926,10cyclictest37-21ksoftirqd/308:19:593
235248999392,4cyclictest131rcu_preempt12:27:153
2352489993924,11cyclictest37-21ksoftirqd/311:41:353
235248999391,11cyclictest346771850lldpd08:54:573
2352484993930,6cyclictest2352957-21kworker/2:307:40:192
2352484993930,6cyclictest2352957-21kworker/2:307:40:182
2352484993928,9cyclictest30-21ksoftirqd/207:35:032
2352484993926,10cyclictest30-21ksoftirqd/211:33:472
235248099394,3cyclictest131rcu_preempt07:30:011
235248099393,8cyclictest0-21swapper/110:05:211
2352480993931,5cyclictest2393609-21latency_hist10:30:011
2352480993927,9cyclictest0-21swapper/109:00:011
2352480993927,9cyclictest0-21swapper/109:00:011
2352480993927,8cyclictest2450264-21sh12:40:011
2352480993924,12cyclictest23-21ksoftirqd/109:48:501
2352480993916,16cyclictest275-21dbus-daemon12:15:011
2352480993910,6cyclictest131rcu_preempt07:45:011
2352480993910,6cyclictest131rcu_preempt07:45:001
235248999383,3cyclictest131rcu_preempt07:10:023
2352489993826,9cyclictest37-21ksoftirqd/308:15:003
2352489993826,8cyclictest37-21ksoftirqd/310:58:383
235248999382,3cyclictest131rcu_preempt09:26:023
2352489993823,10cyclictest37-21ksoftirqd/311:21:063
235248999381,4cyclictest131rcu_preempt10:13:083
235248999381,3cyclictest131rcu_preempt11:16:123
235248499389,3cyclictest131rcu_preempt09:03:542
2352484993830,6cyclictest2356403-21kworker/2:209:24:142
235248499382,7cyclictest131rcu_preempt07:20:022
2352484993824,10cyclictest30-21ksoftirqd/208:05:012
235248099388,21cyclictest2354686-21latency_hist07:50:011
235248099386,9cyclictest23-21ksoftirqd/107:35:031
235248099383,3cyclictest131rcu_preempt11:47:401
2352489993724,10cyclictest37-21ksoftirqd/310:27:483
235248999371,3cyclictest131rcu_preempt07:50:023
235248499376,7cyclictest30-21ksoftirqd/207:12:322
235248099374,25cyclictest2353261-21munin-run07:24:591
2352480993725,9cyclictest275-21dbus-daemon08:15:011
2352480993725,6cyclictest0-21swapper/107:15:011
2352480993722,11cyclictest2370690-1kworker/u9:009:43:271
235248999364,3cyclictest131rcu_preempt07:25:013
235248999363,3cyclictest131rcu_preempt07:35:003
2352489993626,8cyclictest37-21ksoftirqd/307:18:143
2352489993624,9cyclictest37-21ksoftirqd/307:55:013
235248999362,3cyclictest131rcu_preempt08:40:033
235248499364,4cyclictest131rcu_preempt08:35:012
2352480993627,6cyclictest23-21ksoftirqd/108:05:011
2352489993527,6cyclictest37-21ksoftirqd/308:45:033
2352489993527,6cyclictest37-21ksoftirqd/308:45:023
2352484993527,5cyclictest2346646-21kworker/2:108:25:002
2352484993521,11cyclictest2352488-21sed07:10:022
2352484993521,10cyclictest30-21ksoftirqd/209:06:302
2352480993524,6cyclictest23-21ksoftirqd/112:31:371
2352480993523,6cyclictest23-21ksoftirqd/111:14:321
2352489993422,9cyclictest309-21in:imuxsock08:29:323
235248499342,28cyclictest48-21kcompactd008:56:332
235248499342,28cyclictest48-21kcompactd008:56:322
2352480993426,5cyclictest2352415-21latency_hist07:10:011
235248099335,20cyclictest2356643-21unin-run08:30:021
235248999321,3cyclictest131rcu_preempt07:40:333
235248999321,3cyclictest131rcu_preempt07:40:323
235248999321,3cyclictest131rcu_preempt07:30:023
2352484993223,6cyclictest30-21ksoftirqd/207:28:322
2352484993220,9cyclictest3467602-21systemd-journal08:14:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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