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2026-02-26 - 14:31
[ 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 #3, 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 rack3slot3s.osadl.org (updated Thu Feb 26, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310956199531,50cyclictest3544979-21ssh11:33:393
3109561995148,2cyclictest32450122sleep309:16:473
3109556994821,26cyclictest3329594-21sh10:05:482
3109556994744,2cyclictest3215791-21/usr/sbin/munin08:55:222
310955699470,47cyclictest0-21swapper/211:00:362
3109551994518,25cyclictest0-21swapper/010:28:250
3109551994518,25cyclictest0-21swapper/010:28:240
310956199442,40cyclictest3488062-21cc111:12:103
3109556994438,3cyclictest3689405-21cc112:30:082
3109554994433,10cyclictest0-21swapper/111:17:431
310955199445,38cyclictest3713926-21genksyms12:37:530
310956199431,3cyclictest3425297-21cc110:45:123
3109556994340,2cyclictest3230489-21diskmemload11:08:122
310955699431,40cyclictest3620155-21cc112:01:532
3109554994338,4cyclictest0-21swapper/111:23:301
3109551994338,3cyclictest3540135-21cc111:30:430
3109551994336,6cyclictest32641922sleep009:29:310
310956199421,3cyclictest3717464-21cc112:40:003
310956199421,3cyclictest3598771-21cc111:54:473
310956199421,39cyclictest3384629-21cc110:30:483
3109554994239,2cyclictest32950142sleep109:45:321
3109554994239,2cyclictest32950142sleep109:45:321
3109554994237,4cyclictest0-21swapper/112:20:011
310955199421,39cyclictest3449905-21cc110:52:450
310956199411,3cyclictest3610342-21cc111:59:033
310955699411,38cyclictest3527849-21ssh11:26:122
310955699411,37cyclictest3659263-21cc112:17:222
310955499411,3cyclictest3714969-21cc112:38:321
3109551994135,4cyclictest0-21swapper/011:57:540
310955199411,2cyclictest0-21swapper/009:54:280
310956199401,7cyclictest3701103-21ssh12:33:303
310956199401,3cyclictest3631178-21genksyms12:05:383
310955699406,31cyclictest3683492-21cc112:26:532
3109556994035,3cyclictest0-21swapper/212:05:132
310955699401,37cyclictest3596829-21cc111:53:342
310955699401,36cyclictest3585727-21cc111:49:402
3109554994029,9cyclictest3593422-21cc111:51:211
310955499401,37cyclictest3647251-21cc112:12:081
310955499401,37cyclictest3573862-21cc111:45:141
310955499401,2cyclictest3680546-21cc112:25:241
310955199401,8cyclictest3586239-21cc111:50:000
310955199401,38cyclictest3556669-21cc111:37:420
310956199391,36cyclictest3370105-21cc110:28:253
310956199391,36cyclictest3370105-21cc110:28:243
310956199391,34cyclictest3651813-21cc112:15:063
310956199391,34cyclictest3405019-21cc110:40:023
310955699391,11cyclictest3572540-21cc111:44:412
310955499391,4cyclictest3482821-21cc111:10:231
310955499391,32cyclictest3188869-21ntpq08:25:191
3109551993935,2cyclictest3411680-21cc110:41:010
3109551993934,3cyclictest3518524-21ssh11:23:420
3109551993911,26cyclictest3385344-21cc110:31:140
310955199390,2cyclictest3438619-21cc110:49:310
310956199381,3cyclictest3674858-21cc112:24:393
310956199381,35cyclictest3501498-21cc111:17:093
310955699388,19cyclictest33575892sleep210:23:182
3109556993834,3cyclictest401ktimers/209:58:522
3109556993833,3cyclictest3435899-21cc110:48:252
310955699382,33cyclictest3672381-21cc112:22:552
310955699381,35cyclictest3545336-21cc111:34:012
310955699381,35cyclictest3488002-21cc111:12:082
310955699381,35cyclictest3401501-21cc110:37:432
310955699380,37cyclictest3238865-21ssh09:14:512
310955499381,35cyclictest3572423-21cc111:44:371
310955499381,35cyclictest3540645-21cc111:31:031
310955199381,35cyclictest3502281-21cc111:17:350
310955199380,37cyclictest3697127-21nm12:31:330
310956199371,34cyclictest3684688-21cc112:27:423
310956199371,34cyclictest3448931-21cc110:52:113
3109556993732,3cyclictest3556193-21cc111:37:242
3109556993732,3cyclictest0-21swapper/212:35:112
310955699371,3cyclictest3646977-21cc112:11:562
310955699371,34cyclictest3500304-21cc111:16:182
3109556993710,25cyclictest3414206-21cc110:42:332
310955499371,33cyclictest3556294-21cc111:37:271
310955199371,34cyclictest3673631-21cc112:23:500
310955199371,34cyclictest3523405-21cc111:25:210
3109561993633,3cyclictest192-21jbd2/sda2-808:33:353
3109561993633,2cyclictest3320723-21kworker/u16:0-xprtiod10:24:573
310956199361,33cyclictest3567014-21cc111:41:083
310956199361,33cyclictest3554625-21cc111:36:293
310955699364,26cyclictest3229468-21ntpq09:05:192
310955699362,21cyclictest3323178-21ssh10:03:522
310955699361,33cyclictest3608871-21cc111:57:502
3109554993633,2cyclictest0-21swapper/112:02:421
310955499362,32cyclictest0-21swapper/110:42:541
310955499361,33cyclictest3700246-21cc112:32:581
310955499361,33cyclictest3670167-21ssh12:21:251
310955499361,33cyclictest3606594-21cc111:56:191
310955499361,33cyclictest3449264-21cc110:52:231
310955499361,33cyclictest3400795-21cc110:37:161
310955499361,33cyclictest3372882-21cc110:29:581
310955499361,33cyclictest3372882-21cc110:29:571
310955499361,30cyclictest3633767-21cc112:07:301
310955199361,32cyclictest3620694-21cc112:02:050
3109561993534,1cyclictest0-21swapper/310:10:193
3109561993529,5cyclictest3272052-21sh09:33:443
310955699351,4cyclictest3376919-21cc110:30:172
310955699351,32cyclictest3513289-21cc111:21:012
310955199351,32cyclictest3686372-21cc112:28:370
310955199351,29cyclictest3658985-21cc112:16:480
310956199345,27cyclictest3585220-21cc111:49:183
310956199344,28cyclictest3639122-21cc112:10:133
3109561993432,1cyclictest0-21swapper/309:35:173
310956199341,29cyclictest3619050-21cc112:01:103
3109556993431,2cyclictest401ktimers/207:38:172
3109556993430,3cyclictest401ktimers/207:30:202
310955499340,31cyclictest0-21swapper/110:12:261
3109551993429,4cyclictest3402781-21cc110:38:380
310955199341,31cyclictest3491798-21ssh11:14:200
310955199341,29cyclictest3597142-21cc111:53:430
310955199340,32cyclictest3637586-21cc112:09:310
3109561993332,1cyclictest0-21swapper/310:05:263
3109561993332,1cyclictest0-21swapper/310:04:123
3109561993314,13cyclictest779-21runrttasks08:19:173
310955499332,29cyclictest3532505-21cc111:29:031
310955499331,30cyclictest3390981-21cc110:34:281
3109551993320,3cyclictest171rcu_preempt12:10:350
310956199325,17cyclictest3230489-21diskmemload10:16:263
310956199321,29cyclictest3513096-21cc111:20:553
310956199321,29cyclictest3477977-21cc111:09:253
310955699326,24cyclictest3440496-21smartctl10:50:152
3109556993213,13cyclictest3254351-21ssh09:22:472
3109554993229,2cyclictest311ktimers/107:52:571
3109551993225,6cyclictest3349119-21xz10:19:050
310955199321,28cyclictest3478121-21cc111:09:290
310956199310,30cyclictest3314468-21ssh09:58:353
310955199313,22cyclictest3230489-21diskmemload09:15:090
310956199300,3cyclictest171rcu_preempt11:00:113
3109556993029,1cyclictest0-21swapper/209:32:262
3109556993027,2cyclictest779-21runrttasks09:53:292
3109561992927,1cyclictest3230489-21diskmemload09:43:513
310956199292,25cyclictest3532568-21cc111:29:073
310955699291,3cyclictest3370356-21cc110:28:352
310955699291,3cyclictest3370356-21cc110:28:352
310955199290,1cyclictest0-21swapper/008:15:110
3109554992826,1cyclictest3214476-21grep08:50:191
3109554992825,2cyclictest3349118-21tar10:19:011
310955499280,27cyclictest3163981-21ldconfig08:00:201
310955199281,23cyclictest777-21snmpd09:30:530
310956199278,16cyclictest0-21swapper/308:56:183
310956199271,15cyclictest3135046-21apt-get07:35:113
310955699276,15cyclictest32959672sleep209:46:452
310955699276,15cyclictest32959672sleep209:46:452
310955699273,22cyclictest3077574-21munin-node07:14:402
3109556992726,1cyclictest0-21swapper/209:43:322
3109556992724,3cyclictest401ktimers/207:24:402
3109554992715,11cyclictest3270095-21ssh09:31:121
310955499271,20cyclictest3230489-21diskmemload09:37:251
310955199274,15cyclictest3144050-21ntpq07:40:200
3109551992719,7cyclictest151ktimers/009:48:030
3109551992719,7cyclictest151ktimers/009:48:020
3109561992625,1cyclictest0-21swapper/308:50:183
3109561992613,12cyclictest3458790-21sh10:57:143
3109556992622,3cyclictest63350irq/127-enp1s0-TxRx-310:55:132
310955499262,22cyclictest746-21lldpd09:55:231
310955499260,21cyclictest3230489-21diskmemload09:42:531
3109551992625,1cyclictest0-21swapper/007:20:540
3109551992614,11cyclictest3230489-21diskmemload10:22:300
310955199261,17cyclictest777-21snmpd10:59:340
310955199261,10cyclictest779-21runrttasks07:59:510
310956199255,15cyclictest3077574-21munin-node09:20:563
310955699250,11cyclictest0-21swapper/210:11:502
3109554992520,3cyclictest32519082sleep109:20:221
310955499251,3cyclictest0-21swapper/109:53:191
310955199257,18cyclictest151ktimers/009:11:450
3109551992524,1cyclictest0-21swapper/008:41:250
3109551992513,11cyclictest3135027-21/usr/sbin/munin07:35:210
310955199250,21cyclictest3215500-21kworker/u16:1+rpciod10:08:060
310956199241,11cyclictest3185481-21diskstats08:25:123
310955699247,15cyclictest3281210-21sh09:39:342
310955499248,8cyclictest3358296-21ssh10:24:071
3109551992418,5cyclictest151ktimers/010:00:140
310956199234,18cyclictest3150237-21apt-get07:50:143
310956199232,8cyclictest3295354-21sh09:45:583
310956199232,8cyclictest3295354-21sh09:45:573
3109561992320,2cyclictest777-21snmpd07:40:303
310956199231,21cyclictest3230489-21diskmemload09:50:483
310956199230,1cyclictest0-21swapper/307:10:113
310955699230,21cyclictest3194787-21taskset08:33:592
3109554992317,5cyclictest0-21swapper/110:58:101
310955199232,17cyclictest3278991-21ssh09:36:420
3109551992321,1cyclictest3109546-21cyclictest09:43:160
310955199231,18cyclictest63050irq/125-enp1s0-TxRx-109:56:150
310956199228,2cyclictest3169123-21/usr/sbin/munin08:05:233
3109561992221,1cyclictest0-21swapper/307:20:103
310955699226,15cyclictest3230489-21diskmemload09:15:502
310955699221,19cyclictest588-21gpm09:00:012
310956199211,20cyclictest0-21swapper/307:32:313
310956199211,18cyclictest31452462sleep307:45:133
310956199211,18cyclictest31452462sleep307:45:123
310955699217,13cyclictest779-21runrttasks07:29:502
3109556992117,2cyclictest0-21swapper/207:50:222
310955699210,21cyclictest0-21swapper/208:50:102
3109554992119,2cyclictest311ktimers/108:59:381
3109554992117,3cyclictest3263047-21kworker/u16:0+xprtiod09:28:471
3109551992114,5cyclictest3111607-21kthreadcore07:10:140
310956199200,8cyclictest0-21swapper/307:15:173
3109554992017,2cyclictest0-21swapper/107:15:121
310955499201,10cyclictest3205758-21apt-get08:45:101
310955499200,7cyclictest0-21swapper/107:10:121
310955499200,4cyclictest3215500-21kworker/u16:1+rpciod10:04:481
310955499200,14cyclictest0-21swapper/108:10:121
310955199202,12cyclictest777-21snmpd07:49:380
310955199202,12cyclictest777-21snmpd07:49:380
310955199201,2cyclictest0-21swapper/007:17:340
310955199201,17cyclictest3229478-21ntpq09:05:180
310955199200,12cyclictest0-21swapper/009:21:530
310956199192,15cyclictest3128661-21cat07:25:193
3109561991917,1cyclictest3109546-21cyclictest07:55:193
310956199191,15cyclictest777-21snmpd08:35:223
3109561991911,2cyclictest3183935-21ntpq08:20:173
310955699192,5cyclictest3256693-21cstates09:25:122
3109556991918,1cyclictest0-21swapper/208:46:502
310955699191,16cyclictest3174768-21taskset08:13:362
310955699190,1cyclictest0-21swapper/207:19:062
310955199193,14cyclictest3163893-21ntpq08:00:180
310955199191,7cyclictest3150744-21sed07:50:180
3109551991915,2cyclictest3199274-21modprobe08:35:220
3109551991911,6cyclictest3173996-21/usr/sbin/munin08:10:220
310955199190,1cyclictest0-21swapper/008:45:100
310955199190,17cyclictest3180174-21taskset08:20:040
310956199184,12cyclictest3221222-21hddtemp_smartct09:00:143
310956199180,17cyclictest3236881-21sh09:12:173
3109556991814,2cyclictest3184950-21latency_hist08:25:002
310955499189,7cyclictest3201221-21irqstats08:40:161
3109554991816,1cyclictest777-21snmpd09:02:011
3109554991815,2cyclictest3159913-21idleruntime-cro08:00:011
3109554991811,6cyclictest568-21dbus-daemon07:40:001
310955199188,5cyclictest777-21snmpd08:57:040
3109551991810,6cyclictest3222816-21tr09:00:170
310955199180,3cyclictest0-21swapper/007:25:130
310956199178,7cyclictest241-21systemd-journal09:10:013
310955699172,13cyclictest722-21gmain08:44:312
3109556991712,3cyclictest3200158-21chrt08:39:452
310955699171,14cyclictest3164531-21users08:00:262
310955499179,6cyclictest3247518-21cron09:20:001
3109554991713,2cyclictest3144982-21munin-run07:45:001
3109554991711,5cyclictest3230105-21/usr/sbin/munin09:05:261
3109554991710,5cyclictest3077574-21munin-node08:05:101
310955499170,15cyclictest3133880-21/usr/sbin/munin07:30:221
310955199179,6cyclictest3212563-21grep08:50:170
3109551991712,3cyclictest31945902chrt08:31:290
310956199163,2cyclictest3160172-21/usr/sbin/munin08:00:113
3109561991615,1cyclictest0-21swapper/308:40:013
3109561991611,4cyclictest3154731-21kworker/u16:0+kvfree_rcu_reclaim08:15:013
310956199160,8cyclictest0-21swapper/308:45:103
3109554991610,4cyclictest3183803-21/usr/sbin/munin08:20:161
310955499160,15cyclictest3195758-21tune2fs08:35:141
310955199160,14cyclictest3187215-21cut08:25:160
310955199160,14cyclictest3165600-21/usr/sbin/munin08:05:140
310955699158,5cyclictest3165688-21sed08:05:162
3109556991510,3cyclictest3185670-21/usr/sbin/munin08:25:142
3109556991510,3cyclictest3155449-21diskstats07:55:142
310955499156,7cyclictest3128744-21ntpq07:25:211
3109554991512,2cyclictest3123549-21ntpq07:20:181
310955499151,12cyclictest3178896-21modprobe08:15:201
310955499150,8cyclictest3149958-21cron07:50:001
310955499150,8cyclictest3149958-21cron07:50:001
310955699149,3cyclictest3178946-21ntpq08:15:212
310955499146,2cyclictest3194375-21/usr/sbin/munin08:30:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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