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2026-02-07 - 18:19
[ 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 792 highest latencies:
System rackeslot3s.osadl.org (updated Sat Feb 07, 2026 12:45:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
407803399957,79cyclictest4078036-21grep07:10:010
407803399903,8cyclictest4136447-21wc11:05:020
4078033998644,37cyclictest16850irq/134-800000009:10:000
407803399825,8cyclictest19350irq/34-mmc112:00:010
4078033998228,50cyclictest4169627-21ssh12:17:590
4078033998223,54cyclictest4141200-21ssh11:15:030
4078033997913,14cyclictest4104979-21ssh09:55:180
407803399781,8cyclictest4078196-21sshd07:11:110
407803399771,13cyclictest364-21snmpd11:20:350
4078033997632,26cyclictest4126540-21ssh10:43:020
407803399761,4cyclictest4152850-21sshd11:40:510
4078033997526,31cyclictest4090594-21ssh09:23:490
4078033997522,49cyclictest4096630-21ssh09:37:070
4078033997522,49cyclictest4096630-21ssh09:37:070
4078033997518,41cyclictest16850irq/134-800000010:08:030
407803399741,66cyclictest1-21systemd09:34:110
407803399721,15cyclictest4148172-21ssh11:30:280
4078033997126,41cyclictest4098578-21rm09:41:180
4078033997112,7cyclictest4101179-21sshd09:47:110
4078033997112,7cyclictest4101179-21sshd09:47:110
4078033997036,31cyclictest16950irq/224-800000008:55:110
4078033996917,47cyclictest4084211-21diskmemload12:25:200
4078038996859,6cyclictest221rcuc/110:05:021
4078033996827,37cyclictest4109127-21ssh10:04:480
407803399682,17cyclictest4164819-21ssh12:07:190
4078033996820,44cyclictest4124111-21ssh10:37:410
4078033996819,45cyclictest16850irq/134-800000010:54:030
407803399681,4cyclictest4128868-21sshd10:48:110
407803399677,11cyclictest4122625-21ssh10:34:410
407803399672,16cyclictest4151465-21sshd11:38:110
4078033996721,28cyclictest4091342-21ssh09:25:140
4078033996721,28cyclictest4091342-21ssh09:25:140
407803399671,13cyclictest4159049-21munin-run11:55:010
407804399657,6cyclictest131rcu_preempt12:00:002
407803399651,13cyclictest4104279-21sshd09:54:110
407803399651,12cyclictest4177580-21ssh12:35:130
4078033996433,26cyclictest4154848-21ssh11:45:140
407803399643,13cyclictest4120535-21munin-run10:30:020
4078033996424,36cyclictest1-21systemd12:32:110
407803399642,15cyclictest4078748-21sshd07:24:120
407803399641,3cyclictest0-21swapper/010:22:070
407803399641,15cyclictest4083927-21sshd09:02:110
407803399641,13cyclictest48-21kcompactd011:10:090
407803399637,13cyclictest4114722-21ssh10:16:510
407803399633,16cyclictest4081089-21munin-run08:10:000
407803399632,13cyclictest4079814-21munin-run07:45:010
4078043996245,7cyclictest4083433-21kworker/2:112:10:202
407803399621,18cyclictest4087181-21ssh09:16:110
407803399621,18cyclictest4087181-21ssh09:16:110
4078043996113,6cyclictest131rcu_preempt09:40:002
4078043996113,6cyclictest131rcu_preempt09:40:002
407803399618,13cyclictest4146661-21ssh11:27:270
407803399613,6cyclictest4085759-21ssh09:13:090
407803399612,12cyclictest4079000-21sshd07:29:110
407803399611,13cyclictest4081857-21sshd08:22:110
4078043996038,7cyclictest4083433-21kworker/2:109:47:392
4078043996038,7cyclictest4083433-21kworker/2:109:47:392
407803399601,2cyclictest0-21swapper/008:20:000
4078043995942,7cyclictest4083433-21kworker/2:112:38:092
407803399592,4cyclictest0-21swapper/012:21:220
407803399592,11cyclictest4078452-21cron07:17:000
407803399591,54cyclictest0-21swapper/010:11:260
4078033995914,2cyclictest0-21swapper/012:13:470
4078033995911,42cyclictest4163631-21munin-run12:05:000
4078033995911,42cyclictest4163631-21munin-run12:05:000
407803399585,16cyclictest4137906-21ssh11:08:110
407803399585,16cyclictest4137906-21ssh11:08:110
407803399582,12cyclictest364-21snmpd08:44:500
407803399582,11cyclictest4082136-21munin-run08:30:010
407803399582,11cyclictest4080306-21munin-run07:55:000
407803399581,52cyclictest12-21ksoftirqd/010:55:120
407803399573,7cyclictest4079508-21cron07:40:000
4078047995613,6cyclictest131rcu_preempt11:05:023
407804799558,6cyclictest131rcu_preempt12:00:063
407804799558,6cyclictest131rcu_preempt12:00:063
4078047995516,9cyclictest37-21ksoftirqd/309:55:313
4078033995510,6cyclictest4082634-21modprobe08:40:000
407804799549,5cyclictest131rcu_preempt09:49:173
407804799549,5cyclictest131rcu_preempt09:49:173
407804799544,15cyclictest4079523-21sendmail07:40:003
4078047995417,6cyclictest3467718-21lldpd11:22:533
4078043995446,5cyclictest4122794-21kworker/2:011:05:402
4078043995446,5cyclictest4122794-21kworker/2:011:05:392
4078043995446,5cyclictest4122794-21kworker/2:011:01:072
4078043995446,5cyclictest4122794-21kworker/2:010:58:222
4078043995446,5cyclictest4083433-21kworker/2:112:15:222
4078043995445,6cyclictest4080082-21kworker/2:009:18:232
4078043995445,6cyclictest4080082-21kworker/2:009:18:232
4078043995416,5cyclictest131rcu_preempt11:25:002
4078033995425,25cyclictest4083416-21latency_hist08:55:020
4078047995333,8cyclictest4113711-21sh10:15:003
4078047995314,6cyclictest131rcu_preempt11:00:003
4078047995311,6cyclictest131rcu_preempt10:55:023
4078043995345,5cyclictest4122794-21kworker/2:011:15:362
4078043995345,5cyclictest4122794-21kworker/2:011:12:592
4078043995345,5cyclictest4118313-21kworker/2:210:35:322
4078043995345,5cyclictest4083433-21kworker/2:110:13:272
4078043995345,5cyclictest4066702-21kworker/2:308:35:002
4078043995344,6cyclictest4080082-21kworker/2:009:42:232
407803399531,16cyclictest4080837-21munin-run08:05:000
4078047995210,5cyclictest131rcu_preempt11:44:053
4078043995244,5cyclictest4122794-21kworker/2:011:30:132
4078043995244,5cyclictest4122794-21kworker/2:011:27:052
4078043995244,5cyclictest4122794-21kworker/2:010:47:392
4078043995244,5cyclictest4083433-21kworker/2:112:32:002
4078043995244,5cyclictest4083433-21kworker/2:112:07:552
4078043995244,5cyclictest4083433-21kworker/2:111:44:002
4078043995243,6cyclictest4083433-21kworker/2:110:03:432
4078043995237,12cyclictest3467602-21systemd-journal07:11:112
407803399521,14cyclictest4080595-21systemd-run08:00:010
407804799518,5cyclictest131rcu_preempt09:16:113
407804799518,5cyclictest131rcu_preempt09:16:113
407804799517,4cyclictest131rcu_preempt11:31:283
407804799516,5cyclictest131rcu_preempt12:17:263
4078047995114,5cyclictest131rcu_preempt09:33:253
4078047995112,5cyclictest131rcu_preempt10:17:093
4078047995111,5cyclictest131rcu_preempt10:46:353
4078047995111,5cyclictest131rcu_preempt10:31:543
4078047995111,5cyclictest131rcu_preempt09:40:263
4078043995143,5cyclictest4083433-21kworker/2:112:02:042
4078043995143,5cyclictest4083433-21kworker/2:112:02:042
4078043995143,5cyclictest4083433-21kworker/2:110:41:552
4078043995143,5cyclictest4083433-21kworker/2:109:59:582
4078043995143,5cyclictest4066702-21kworker/2:308:30:032
4078043995142,6cyclictest4083433-21kworker/2:110:09:342
4078043995138,9cyclictest3467602-21systemd-journal07:50:012
4078043995116,27cyclictest131rcu_preempt12:25:022
4078043995111,6cyclictest131rcu_preempt09:30:012
4078043995111,6cyclictest131rcu_preempt09:30:012
407803399512,12cyclictest364-21snmpd07:30:400
407803399512,12cyclictest364-21snmpd07:30:400
407803399511,12cyclictest4080026-21sshd07:47:120
407804799508,5cyclictest131rcu_preempt12:38:253
407804799508,5cyclictest131rcu_preempt10:28:233
407804799508,11cyclictest131rcu_preempt11:15:233
4078047995030,13cyclictest275-21dbus-daemon12:10:003
4078047995015,8cyclictest131rcu_preempt10:06:583
4078047995014,6cyclictest131rcu_preempt10:40:003
4078043995042,5cyclictest4083433-21kworker/2:110:25:352
4078043995041,6cyclictest4083433-21kworker/2:109:32:222
4078043995041,6cyclictest4080082-21kworker/2:009:13:472
4078043995041,6cyclictest4066702-21kworker/2:307:55:012
4078043995041,5cyclictest4083433-21kworker/2:110:21:122
4078043995041,5cyclictest4083433-21kworker/2:109:51:532
4078043995040,6cyclictest4083433-21kworker/2:110:18:422
4078038995032,13cyclictest3467602-21systemd-journal07:40:001
4078033995014,9cyclictest4082359-21sshd08:31:110
4078033995014,31cyclictest309-21in:imuxsock08:15:010
407803399501,11cyclictest4083139-21sshd08:46:120
407804799499,6cyclictest131rcu_preempt10:24:213
407804799496,6cyclictest131rcu_preempt10:43:243
4078047994936,8cyclictest3467602-21systemd-journal11:30:013
4078043994941,5cyclictest4122794-21kworker/2:011:51:592
4078043994941,5cyclictest4122794-21kworker/2:010:52:312
4078043994941,5cyclictest4118313-21kworker/2:210:30:172
4078043994941,5cyclictest4083433-21kworker/2:112:28:272
4078043994941,5cyclictest4083433-21kworker/2:111:45:322
4078043994941,5cyclictest4080082-21kworker/2:008:51:112
4078043994940,6cyclictest4083433-21kworker/2:111:35:562
4078038994934,11cyclictest3467602-21systemd-journal11:36:321
4078038994933,12cyclictest4143218-21cron11:20:001
407804799488,5cyclictest131rcu_preempt11:55:023
4078047994811,5cyclictest131rcu_preempt12:25:203
4078043994840,5cyclictest4080082-21kworker/2:008:49:192
4078043994839,6cyclictest4080082-21kworker/2:009:20:082
4078043994739,5cyclictest4066702-21kworker/2:308:14:132
4078043994739,5cyclictest4066702-21kworker/2:307:59:462
4078043994739,5cyclictest4066702-21kworker/2:307:31:362
4078043994739,5cyclictest4066702-21kworker/2:307:31:352
4078043994739,5cyclictest4066702-21kworker/2:307:23:342
4078043994739,5cyclictest4066702-21kworker/2:307:15:112
407804799469,6cyclictest131rcu_preempt11:36:323
407804799469,5cyclictest131rcu_preempt07:30:003
407804799465,7cyclictest4096264-21ssh09:36:143
407804799465,7cyclictest4096264-21ssh09:36:143
4078047994626,14cyclictest275-21dbus-daemon09:55:003
4078047994620,4cyclictest37-21ksoftirqd/310:01:003
4078047994610,5cyclictest131rcu_preempt12:31:293
4078047994610,5cyclictest131rcu_preempt12:24:023
4078047994610,5cyclictest131rcu_preempt07:20:013
4078043994638,5cyclictest4066702-21kworker/2:308:25:022
4078043994638,5cyclictest4066702-21kworker/2:307:40:452
4078043994638,5cyclictest4066702-21kworker/2:307:35:262
407803899463,3cyclictest131rcu_preempt11:54:511
4078038994629,12cyclictest275-21dbus-daemon09:40:001
4078038994629,12cyclictest275-21dbus-daemon09:40:001
4078038994622,21cyclictest23-21ksoftirqd/112:38:081
4078038994620,22cyclictest23-21ksoftirqd/110:23:091
4078038994618,18cyclictest23-21ksoftirqd/110:09:131
407804799457,3cyclictest131rcu_preempt07:10:023
407804799452,5cyclictest131rcu_preempt09:10:023
407804799451,8cyclictest4089413-21ssh09:21:033
4078047994510,8cyclictest131rcu_preempt09:29:053
4078047994510,8cyclictest131rcu_preempt09:29:053
4078043994537,5cyclictest4066702-21kworker/2:308:44:222
4078043994537,5cyclictest4066702-21kworker/2:308:00:332
407803899458,33cyclictest3467602-21systemd-journal11:43:151
407803899452,3cyclictest131rcu_preempt10:45:001
4078038994519,21cyclictest23-21ksoftirqd/108:14:111
4078047994433,7cyclictest309-21in:imuxsock08:10:023
4078047994431,11cyclictest37-21ksoftirqd/308:45:013
4078047994428,12cyclictest4080563-21cat08:00:003
4078043994436,5cyclictest4080082-21kworker/2:009:00:492
4078043994436,5cyclictest4080082-21kworker/2:008:57:352
4078043994436,5cyclictest4066702-21kworker/2:307:29:032
4078038994431,10cyclictest275-21dbus-daemon10:30:001
407804799439,5cyclictest131rcu_preempt11:58:113
407804799438,5cyclictest131rcu_preempt11:45:343
407804799437,6cyclictest131rcu_preempt11:10:023
407804799437,6cyclictest131rcu_preempt11:10:013
407804799436,6cyclictest131rcu_preempt07:15:003
4078047994327,4cyclictest37-21ksoftirqd/312:11:033
4078047994310,5cyclictest131rcu_preempt09:12:103
4078043994334,6cyclictest4080082-21kworker/2:009:08:202
4078043994334,6cyclictest4066702-21kworker/2:308:07:032
407804399432,5cyclictest131rcu_preempt08:40:022
407803899433,3cyclictest131rcu_preempt10:46:531
4078038994331,9cyclictest3467602-21systemd-journal09:20:001
4078038994331,9cyclictest3467602-21systemd-journal09:20:001
4078038994327,12cyclictest275-21dbus-daemon12:35:011
4078038994325,14cyclictest275-21dbus-daemon11:00:011
4078038994320,20cyclictest23-21ksoftirqd/111:34:051
4078038994314,4cyclictest150-21pr/ttyS209:31:571
4078047994221,5cyclictest37-21ksoftirqd/308:45:113
4078047994219,4cyclictest37-21ksoftirqd/311:13:193
4078038994231,8cyclictest23-21ksoftirqd/108:20:021
4078038994229,9cyclictest309-21in:imuxsock08:55:001
4078038994229,10cyclictest23-21ksoftirqd/109:30:021
4078038994229,10cyclictest23-21ksoftirqd/109:30:021
407803899422,3cyclictest131rcu_preempt11:23:231
4078043994133,5cyclictest4066702-21kworker/2:308:18:152
4078038994132,6cyclictest23-21ksoftirqd/109:45:021
4078038994131,7cyclictest23-21ksoftirqd/111:10:461
4078038994129,7cyclictest4147912-21cat11:30:021
407803899412,11cyclictest4104650-21systemd-run09:55:001
4078038994118,17cyclictest275-21dbus-daemon10:00:011
407804799406,6cyclictest131rcu_preempt08:20:003
407804799404,5cyclictest131rcu_preempt07:54:103
407804799404,5cyclictest131rcu_preempt07:43:113
4078047994024,12cyclictest4080040-21cron07:50:003
407804799401,6cyclictest131rcu_preempt08:40:003
407804399401,5cyclictest131rcu_preempt07:10:022
4078038994030,6cyclictest4125022-21cron10:40:001
4078038994028,9cyclictest4100412-21sshd09:45:111
4078038994028,9cyclictest4100412-21sshd09:45:111
4078038994025,10cyclictest275-21dbus-daemon12:10:021
4078038994024,12cyclictest275-21dbus-daemon08:25:011
4078038994024,12cyclictest1-21systemd07:25:481
407804799396,5cyclictest131rcu_preempt08:06:113
4078047993925,11cyclictest37-21ksoftirqd/308:30:033
407803899397,7cyclictest23-21ksoftirqd/109:10:111
4078038993928,8cyclictest23-21ksoftirqd/110:16:211
4078038993924,11cyclictest3467602-21systemd-journal10:30:021
4078038993922,12cyclictest3467602-21systemd-journal08:00:001
4078038993920,10cyclictest23-21ksoftirqd/110:11:161
4078038993916,20cyclictest23-21ksoftirqd/111:45:391
4078038993916,19cyclictest23-21ksoftirqd/111:59:571
4078038993916,15cyclictest23-21ksoftirqd/107:51:021
407803899391,3cyclictest131rcu_preempt12:28:041
4078038993911,15cyclictest23-21ksoftirqd/112:02:141
4078038993911,15cyclictest23-21ksoftirqd/112:02:141
407804799383,5cyclictest131rcu_preempt08:26:573
407803899383,6cyclictest131rcu_preempt12:10:231
4078038993829,5cyclictest23-21ksoftirqd/111:07:291
4078038993829,5cyclictest23-21ksoftirqd/111:07:291
4078038993827,8cyclictest275-21dbus-daemon08:35:011
4078038993825,11cyclictest23-21ksoftirqd/110:55:011
4078038993825,10cyclictest4078472-21cron07:20:011
4078038993819,13cyclictest275-21dbus-daemon07:45:011
4078038993816,5cyclictest23-21ksoftirqd/112:23:191
4078038993813,6cyclictest23-21ksoftirqd/111:02:151
4078038993813,16cyclictest23-21ksoftirqd/109:22:171
407804799379,4cyclictest131rcu_preempt07:25:013
4078047993725,8cyclictest4083663-21modprobe09:00:003
407803899377,8cyclictest23-21ksoftirqd/108:35:541
4078038993725,9cyclictest23-21ksoftirqd/109:00:111
4078038993724,9cyclictest4083660-21cron09:00:001
407803899371,3cyclictest131rcu_preempt12:15:521
4078038993711,5cyclictest131rcu_preempt09:10:011
407804799364,5cyclictest131rcu_preempt08:22:343
407804799363,5cyclictest131rcu_preempt08:02:373
4078047993625,8cyclictest4083406-21cron08:55:003
407803899365,5cyclictest131rcu_preempt07:25:011
4078038993628,5cyclictest4080229-21latency_hist07:50:031
407804799353,7cyclictest131rcu_preempt07:34:243
407804799353,7cyclictest131rcu_preempt07:34:243
4078038993525,7cyclictest1-21systemd08:50:001
4078038993525,6cyclictest4078406-21cat07:15:021
4078038993523,7cyclictest309-21in:imuxsock07:35:021
4078038993523,7cyclictest309-21in:imuxsock07:35:021
407804799343,5cyclictest131rcu_preempt09:04:193
4078038993424,5cyclictest309-21in:imuxsock08:30:011
4078038993421,10cyclictest4081164-21sed08:10:021
4078038993218,11cyclictest0-21swapper/108:05:001
4078038993121,7cyclictest23-21ksoftirqd/108:45:021
407803899309,17cyclictest0-21swapper/107:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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