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2026-02-24 - 22:03
[ 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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  TQ-Systems
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 highest latencies:
System rack3slot3s.osadl.org (updated Tue Feb 24, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1993949996765,1cyclictest0-21swapper/209:58:152
1993952996462,1cyclictest0-21swapper/310:00:243
199394999550,1cyclictest0-21swapper/212:23:072
1993941995553,1cyclictest0-21swapper/008:14:410
199394599549,3cyclictest2114617-21diskmemload11:19:581
199394199546,45cyclictest0-21swapper/009:10:570
1993949995352,1cyclictest0-21swapper/212:09:422
1993941995149,1cyclictest2452745-21sh12:22:030
1993952995048,1cyclictest0-21swapper/311:45:223
1993949995017,26cyclictest2219826-21kworker/u16:2+nfsiod10:20:212
1993949994946,2cyclictest2022824-21/usr/sbin/munin07:35:172
1993949994845,2cyclictest521-21rpcbind09:16:472
199394599485,7cyclictest0-21swapper/111:44:351
1993945994845,3cyclictest0-21swapper/110:05:211
1993945994844,3cyclictest311ktimers/108:40:151
1993945994839,8cyclictest311ktimers/111:50:241
199394599482,44cyclictest2365878-21ssh11:32:331
1993941994845,2cyclictest1962327-21munin-node10:16:130
1993949994745,2cyclictest401ktimers/209:22:122
1993945994744,2cyclictest2444178-21sh12:17:071
1993945994743,2cyclictest2186392-21kthreadcore09:50:161
199394199461,43cyclictest2183044-21sh09:47:410
1993949994543,2cyclictest401ktimers/207:20:202
199394599450,8cyclictest2114617-21diskmemload09:17:311
1993949994440,3cyclictest401ktimers/209:34:482
199394599444,13cyclictest2118921-21ntpq09:10:201
1993952994340,2cyclictest779-21runrttasks12:03:563
199394599438,13cyclictest2138686-21ssh09:22:271
1993941994326,15cyclictest2237615-21ssh10:20:090
199395299420,40cyclictest2035766-21cut07:50:163
1993941994238,3cyclictest151ktimers/010:57:220
199394599410,6cyclictest0-21swapper/111:02:381
1993952994028,3cyclictest23495952sleep311:23:523
199394599391,2cyclictest0-21swapper/112:29:141
199394599390,35cyclictest0-21swapper/111:29:561
199394599390,14cyclictest2162703-21strings09:35:171
1993952993815,17cyclictest779-21runrttasks11:28:473
199394999383,23cyclictest0-21swapper/208:40:262
1993945993833,3cyclictest779-21runrttasks11:45:301
1993945993832,5cyclictest777-21snmpd10:55:251
1993941993837,1cyclictest0-21swapper/011:42:000
1993952993734,2cyclictest491ktimers/309:16:183
1993952993734,2cyclictest2114617-21diskmemload11:51:313
1993949993710,20cyclictest2268495-21ssh10:35:372
199394599374,32cyclictest2114617-21diskmemload10:36:561
1993945993736,1cyclictest0-21swapper/112:39:371
1993945993725,12cyclictest311ktimers/110:46:181
199394599370,37cyclictest0-21swapper/110:12:231
199394199370,29cyclictest0-21swapper/009:20:030
199395299365,30cyclictest0-21swapper/310:09:093
1993949993633,2cyclictest779-21runrttasks10:55:072
199394599367,20cyclictest2437680-21sh12:14:481
1993945993634,2cyclictest0-21swapper/112:33:501
199394599363,31cyclictest2322025-21ssh11:07:201
1993945993632,3cyclictest22617612sleep110:33:061
1993941993623,12cyclictest2209550-21sh10:03:060
199394199360,33cyclictest0-21swapper/012:00:110
1993952993530,4cyclictest2109417-21kworker/u16:0-xprtiod09:11:253
199395299350,30cyclictest2114617-21diskmemload11:10:063
199394999357,18cyclictest0-21swapper/212:14:052
199394999355,23cyclictest2058140-21ntpq08:10:202
199394999351,31cyclictest2315772-21sh11:05:062
199394999350,35cyclictest0-21swapper/209:08:132
1993945993528,6cyclictest2332619-21diskmemload11:14:421
199394599350,15cyclictest0-21swapper/112:09:561
1993952993429,3cyclictest491ktimers/309:09:363
1993949993433,1cyclictest0-21swapper/211:02:342
199394999343,24cyclictest2208965-21runrttasks10:02:222
1993949993423,6cyclictest779-21runrttasks11:58:022
1993949993415,18cyclictest2341465-21sh11:19:322
199394999340,3cyclictest2165677-21ssh09:38:072
1993945993433,1cyclictest0-21swapper/110:21:141
1993945993427,6cyclictest741-21ntpd11:35:371
199394199342,25cyclictest2114617-21diskmemload12:28:270
1993952993318,10cyclictest2470148-21sh12:31:433
1993952993315,17cyclictest2262690-21sh10:34:143
199395299331,28cyclictest2286923-21ssh10:46:513
1993945993332,1cyclictest0-21swapper/109:45:231
1993941993332,1cyclictest0-21swapper/009:31:570
199394199331,31cyclictest2033155-21ntpq07:45:200
199395299320,30cyclictest2279033-21ssh10:42:523
199394999323,26cyclictest2211524-21ssh10:05:112
1993949993230,1cyclictest2114617-21diskmemload11:32:472
199394999320,31cyclictest0-21swapper/211:48:362
199394999320,18cyclictest779-21runrttasks11:43:292
1993945993229,2cyclictest311ktimers/107:41:001
1993945993211,5cyclictest2246237-21diskmemload10:25:061
199394599320,8cyclictest0-21swapper/110:51:311
199394599320,8cyclictest0-21swapper/110:51:301
1993941993216,5cyclictest2278396-21ssh10:42:050
1993952993128,2cyclictest491ktimers/309:34:483
199394999310,28cyclictest0-21swapper/212:33:562
199394599319,20cyclictest2058159-21ntpq08:10:191
199394199314,22cyclictest2114617-21diskmemload12:11:060
1993941993130,1cyclictest0-21swapper/007:51:280
1993941993129,2cyclictest151ktimers/011:06:090
199395299307,22cyclictest62850irq/124-enp1s0-TxRx-011:05:183
199395299301,23cyclictest23666352sleep311:33:313
199394999306,1cyclictest0-21swapper/209:29:042
1993949993026,3cyclictest2461993-21chrt12:27:452
1993945993028,2cyclictest311ktimers/109:41:221
1993945993027,2cyclictest311ktimers/108:17:351
1993945993024,5cyclictest2114617-21diskmemload10:02:241
1993941993010,9cyclictest2114617-21diskmemload10:53:440
1993941993010,9cyclictest2114617-21diskmemload10:53:430
1993952992925,2cyclictest2201362-21sh09:58:473
1993952992916,11cyclictest2375701-21sh11:38:593
199395299290,29cyclictest0-21swapper/312:17:563
199394599298,19cyclictest24201382sleep112:04:191
199394599294,23cyclictest2074715-21apt-get08:30:101
1993941992926,2cyclictest2391765-21sh11:46:390
199394199292,21cyclictest2285106-21ntpq10:45:200
1993941992921,1cyclictest2099289-21gmain10:06:450
199394199290,24cyclictest2023925-31find07:38:480
1993949992826,1cyclictest0-21swapper/210:13:092
1993949992825,2cyclictest2444134-21diskmemload12:17:052
199394599285,7cyclictest2150155-21ssh09:30:091
199394599281,4cyclictest2109954-21grep09:05:121
199394599280,28cyclictest0-21swapper/107:45:221
199394199281,16cyclictest2395147-21/usr/sbin/munin11:50:130
1993952992726,1cyclictest0-21swapper/312:26:263
1993952992724,2cyclictest62850irq/124-enp1s0-TxRx-008:27:473
1993952992717,2cyclictest2251746-21diskmemload10:26:283
199395299271,24cyclictest241-21systemd-journal08:35:003
199394999270,26cyclictest0-21swapper/209:46:442
199394599278,14cyclictest63150irq/126-enp1s0-TxRx-209:57:371
199394199274,21cyclictest2312975-21diskmemload11:01:550
1993941992717,9cyclictest779-21runrttasks09:57:150
1993941992711,15cyclictest2365191-21diskmemload11:31:410
199395299262,7cyclictest2114617-21diskmemload09:28:263
199395299262,3cyclictest2114617-21diskmemload12:10:303
1993952992618,7cyclictest2307178-21/usr/sbin/munin11:00:283
199395299261,2cyclictest0-21swapper/310:10:353
199395299260,7cyclictest2114617-21diskmemload09:20:233
199395299260,21cyclictest2114617-21diskmemload10:17:303
199394999264,20cyclictest1962327-21munin-node10:29:022
1993949992624,2cyclictest401ktimers/208:16:352
199394999262,2cyclictest0-21swapper/209:53:072
1993945992622,3cyclictest311ktimers/107:25:081
199394599261,17cyclictest0-21swapper/112:20:051
199394199267,1cyclictest0-21swapper/011:36:330
199394199265,5cyclictest2479534-21ssh12:37:360
199394199264,20cyclictest601-21in:imuxsock11:25:010
1993941992618,7cyclictest779-21runrttasks09:25:040
199394199260,26cyclictest0-21swapper/010:27:420
199394199260,10cyclictest0-21swapper/012:15:240
199395299255,9cyclictest2425016-21ntpq12:05:193
1993952992510,9cyclictest779-21runrttasks09:35:133
199394999258,9cyclictest2173591-21runrttasks09:42:062
199394999253,14cyclictest777-21snmpd09:13:282
1993949992518,6cyclictest1962327-21munin-node08:26:352
199394999251,24cyclictest0-21swapper/210:15:032
199394599250,15cyclictest2114617-21diskmemload11:58:321
199394199259,14cyclictest1068-21sendmail-mta11:11:340
199394199258,12cyclictest779-21runrttasks09:41:040
199394199253,20cyclictest2262277-21diskmemload10:33:440
199394199251,22cyclictest2263687-21sh10:35:100
199395299245,18cyclictest2089754-21apt-get08:45:103
199395299242,9cyclictest2335440-21kthreadcore11:15:173
1993952992421,2cyclictest2114617-21diskmemload09:53:593
199394999243,5cyclictest2286804-21sh10:46:432
199394999240,3cyclictest2342713-21ssh11:20:132
199394599245,7cyclictest0-21swapper/110:44:191
1993945992414,1cyclictest2114617-21diskmemload10:17:031
199394199249,6cyclictest2338306-21sh11:15:350
1993941992420,3cyclictest151ktimers/009:00:140
199394999238,13cyclictest2420475-21sh12:04:442
1993941992318,5cyclictest1993932-21cyclictest10:11:160
1993941992310,12cyclictest2409668-21ssh11:57:080
1993941992310,12cyclictest2185319-21/usr/sbin/munin09:50:110
199395299224,16cyclictest1962327-21munin-node10:59:033
199395299222,3cyclictest2046645-21kthreadcore08:00:163
1993952992221,1cyclictest0-21swapper/309:41:303
199395299221,3cyclictest2450775-21ntpq12:20:203
199394999229,12cyclictest63350irq/127-enp1s0-TxRx-312:35:272
199394999220,20cyclictest24000362sleep211:50:532
199394999220,17cyclictest0-21swapper/210:31:342
199394199223,13cyclictest2114587-21taskset09:09:450
1993941992211,7cyclictest2114617-21diskmemload12:31:370
199394199220,2cyclictest0-21swapper/008:55:260
199395299212,18cyclictest0-21swapper/311:44:253
1993952992116,3cyclictest2296627-21sh10:53:103
1993952992116,3cyclictest2296627-21sh10:53:093
199394999218,11cyclictest2359038-21ssh11:29:492
199394999217,8cyclictest2099761-21/usr/sbin/munin08:55:272
199394999214,15cyclictest22802332sleep210:44:232
1993949992117,2cyclictest779-21runrttasks07:40:262
1993945992120,1cyclictest0-21swapper/108:21:571
199394199217,13cyclictest2109417-21kworker/u16:0+rpciod09:15:200
1993941992120,1cyclictest0-21swapper/007:10:260
199395299203,2cyclictest2403714-21sh11:55:073
199394999204,14cyclictest0-21swapper/210:50:322
199394999204,14cyclictest0-21swapper/210:50:312
1993949992018,1cyclictest0-21swapper/208:07:592
1993949992018,1cyclictest0-21swapper/208:07:592
1993949992017,2cyclictest2368136-21ssh11:35:042
199394999201,5cyclictest2044366-21/usr/sbin/munin08:00:212
199394999200,6cyclictest0-21swapper/211:10:022
199394999200,18cyclictest2017966-21ntpq07:30:192
199394599207,12cyclictest777-21snmpd08:39:591
1993945992015,5cyclictest0-21swapper/111:20:291
1993941992019,1cyclictest0-21swapper/008:22:220
199394199201,17cyclictest2017974-21ntpq07:30:180
1993941992010,9cyclictest151ktimers/012:06:260
199395299199,8cyclictest779-21runrttasks07:24:183
199395299197,10cyclictest2114617-21diskmemload12:37:343
199395299192,16cyclictest21039532sleep308:55:263
1993952991917,1cyclictest0-21swapper/307:45:123
1993952991916,2cyclictest2068419-21ntpq08:20:213
1993952991911,6cyclictest2043729-21runrttasks07:55:323
199394599194,14cyclictest741-21ntpd07:23:191
199394599192,15cyclictest2073276-21memory08:25:191
199394599190,17cyclictest2023925-31find07:38:551
199395299185,8cyclictest2058124-21collect208:10:183
199395299182,9cyclictest2018042-21ntpq07:30:203
1993952991815,2cyclictest118-1kworker/3:1H-kblockd08:51:413
1993952991811,5cyclictest2268728-21sh10:35:563
1993952991811,5cyclictest2003932-21munin-run07:20:003
199394999180,16cyclictest2002080-21grep07:15:162
199394199181,15cyclictest2029130-21sshd07:44:360
199394199181,15cyclictest2007933-21/usr/sbin/munin07:20:170
1993941991810,6cyclictest2079091-21users08:30:250
199395299172,2cyclictest0-21swapper/309:00:163
199395299172,13cyclictest1994239-21expr07:10:113
199395299170,1cyclictest0-21swapper/308:35:103
199395299170,11cyclictest0-21swapper/308:40:253
199394999176,5cyclictest2090259-21ps08:45:142
1993949991716,1cyclictest0-21swapper/207:10:112
1993949991715,2cyclictest401ktimers/207:52:042
199394999171,14cyclictest2081234-21cat08:35:152
1993949991710,5cyclictest2099466-21sshd08:54:362
199394599179,6cyclictest1998564-21seq07:11:241
199394599177,3cyclictest2106627-21cat09:00:161
199394599170,16cyclictest2048223-21modprobe08:00:211
199394199171,8cyclictest2084907-21cpuspeed_turbos08:40:120
1993941991714,2cyclictest2089736-21/usr/sbin/munin08:45:210
1993941991713,2cyclictest0-21swapper/007:20:000
199394199171,11cyclictest241-21systemd-journal07:28:360
199395299161,13cyclictest2059994-21fschecks_time08:15:143
1993952991611,3cyclictest2049659-21df_inode08:05:133
1993952991611,3cyclictest2049659-21df_inode08:05:133
199395299161,13cyclictest2023925-31find07:39:013
199395299160,15cyclictest2019031-21kworker/3:0+events07:40:163
199394999169,5cyclictest2013717-21sshd07:26:362
199394999167,7cyclictest241-21systemd-journal08:25:002
199394999161,7cyclictest2074973-21df08:30:122
1993949991612,2cyclictest2033798-21runrttasks07:45:382
199394999160,15cyclictest2043134-21ntpq07:55:212
1993945991611,3cyclictest2094015-21grep08:45:261
199394599161,13cyclictest2039364-21/usr/sbin/munin07:55:261
199394199161,13cyclictest2048904-21runrttasks08:02:250
1993941991611,3cyclictest2039854-21irqstats07:55:160
199394999151,12cyclictest2104825-21/usr/sbin/munin09:00:252
199394599158,6cyclictest2094718-21/usr/sbin/munin08:50:161
1993945991512,2cyclictest0-21swapper/107:15:261
199394599151,13cyclictest0-21swapper/108:05:211
199394599151,13cyclictest0-21swapper/108:05:211
199394599151,12cyclictest2019094-21latency_hist07:35:001
1993941991511,2cyclictest0-21swapper/008:40:000
199394599149,3cyclictest2034773-21grep07:50:141
199394599147,6cyclictest2103565-21gcc08:55:201
199394199141,2cyclictest0-21swapper/008:15:230
1993941991410,2cyclictest2069707-21cpu08:25:120
199395299133,3cyclictest0-21swapper/307:25:123
199394199139,2cyclictest2049795-21hddtemp_smartct08:05:140
199394199139,2cyclictest2049795-21hddtemp_smartct08:05:140
199394199128,3cyclictest2094973-21ls08:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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