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2026-02-15 - 12:31
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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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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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 Sun Feb 15, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1253760213065,61sleep30-21swapper/319:06:263
1253916211293,12sleep20-21swapper/219:08:252
124925528864,11sleep10-21swapper/119:05:121
125397227249,15sleep00-21swapper/019:09:080
15459572511,3sleep21545966-21sh22:47:582
1254166994913,32cyclictest0-21swapper/323:21:353
125416699491,22cyclictest0-21swapper/300:26:183
125416699490,19cyclictest0-21swapper/322:35:213
125416699470,17cyclictest0-21swapper/323:46:153
125416699458,17cyclictest63750irq/124-enp1s0-TxRx-021:19:043
125416699458,17cyclictest63750irq/124-enp1s0-TxRx-021:19:043
1254166994542,1cyclictest0-21swapper/300:18:443
125416699450,43cyclictest0-21swapper/320:45:143
125416699450,20cyclictest0-21swapper/300:05:283
1254166994441,1cyclictest0-21swapper/320:06:083
125416699441,14cyclictest0-21swapper/300:01:173
1254166994136,3cyclictest14544562sleep321:53:563
125416699413,22cyclictest0-21swapper/323:33:473
125416699410,28cyclictest0-21swapper/321:38:063
1254166994026,3cyclictest1374510-21taskset21:02:453
1254166994016,1cyclictest0-21swapper/321:12:523
125416699398,10cyclictest0-21swapper/322:02:293
1254166993934,3cyclictest16390652sleep323:42:473
1254166993917,16cyclictest15024292sleep322:21:223
125416699384,25cyclictest0-21swapper/300:20:433
1254166993834,3cyclictest63750irq/124-enp1s0-TxRx-000:30:353
1254166993831,2cyclictest0-21swapper/322:55:173
125416699380,36cyclictest0-21swapper/323:13:413
125416699377,14cyclictest0-21swapper/322:05:053
1254166993711,14cyclictest14875292sleep322:13:533
125416699370,19cyclictest63750irq/124-enp1s0-TxRx-021:55:563
125416699365,8cyclictest0-21swapper/322:51:223
1254166993633,2cyclictest0-21swapper/323:04:163
1254166993622,11cyclictest16548972sleep323:51:413
125416699360,29cyclictest15203792sleep322:32:403
125416699360,16cyclictest0-21swapper/321:47:123
1254166993523,1cyclictest0-21swapper/323:35:023
125416699342,22cyclictest0-21swapper/320:10:553
125416699342,22cyclictest0-21swapper/320:10:553
1254166993330,2cyclictest0-21swapper/320:40:143
1254166993327,3cyclictest14215342sleep321:34:433
16909632321,2sleep20-21swapper/200:15:052
16570102320,1sleep10-21swapper/123:54:401
14852452320,1sleep20-21swapper/222:10:422
125416699321,12cyclictest0-21swapper/322:15:123
125416699320,13cyclictest0-21swapper/319:30:113
125416699311,15cyclictest63750irq/124-enp1s0-TxRx-022:25:023
16298302300,1sleep10-21swapper/123:36:321
125416699300,16cyclictest0-21swapper/319:25:213
125416699294,12cyclictest14108942sleep321:26:263
1254166992926,2cyclictest0-21swapper/320:35:203
1254166992926,2cyclictest0-21swapper/300:36:173
125416699291,13cyclictest0-21swapper/323:05:143
125416699290,14cyclictest63750irq/124-enp1s0-TxRx-019:40:263
16380732280,1sleep20-21swapper/223:41:192
14550102280,1sleep20-21swapper/221:54:432
1254166992724,1cyclictest0-21swapper/320:50:403
1254166992723,1cyclictest0-21swapper/323:26:573
1254166992722,3cyclictest63750irq/124-enp1s0-TxRx-023:56:153
1254166992613,1cyclictest0-21swapper/322:45:233
125416699261,24cyclictest63750irq/124-enp1s0-TxRx-021:22:523
125416699260,23cyclictest0-21swapper/322:40:513
125416699260,15cyclictest0-21swapper/320:30:103
14459482240,1sleep20-21swapper/221:49:052
1254166992419,3cyclictest0-21swapper/321:44:253
16205902230,1sleep20-21swapper/223:30:482
125416699231,1cyclictest0-21swapper/319:45:333
1254166992219,1cyclictest0-21swapper/319:14:293
125416699220,20cyclictest0-21swapper/323:18:453
125416699220,10cyclictest0-21swapper/319:15:123
125416699220,10cyclictest0-21swapper/319:15:123
125416699210,10cyclictest0-21swapper/319:37:453
15716002201,4sleep01571614-21ssh23:03:240
15618072201,2sleep20-21swapper/222:56:322
1254166992018,1cyclictest0-21swapper/320:18:023
1254166992018,1cyclictest0-21swapper/320:18:013
125416699201,15cyclictest0-21swapper/300:13:013
125416699200,9cyclictest0-21swapper/321:05:103
125416699200,9cyclictest0-21swapper/320:25:223
125416699200,8cyclictest0-21swapper/319:55:153
125416699200,11cyclictest0-21swapper/319:20:113
17067862190,1sleep00-21swapper/000:24:140
15950852191,3sleep20-21swapper/223:15:332
125416699190,2cyclictest0-21swapper/320:00:193
16822772181,11sleep21379804-21diskmemload00:09:532
15786502180,3sleep01578662-21ssh23:06:330
15215102181,3sleep20-21swapper/222:34:112
14215222181,4sleep20-21swapper/221:34:422
14132082181,4sleep21379804-21diskmemload21:29:452
15363712171,3sleep11379804-21diskmemload22:41:281
14375232170,1sleep20-21swapper/221:44:002
17309452162,2sleep10-21swapper/100:38:131
17162852161,1sleep00-21swapper/000:30:140
16827852165,7sleep21683021-21cat00:10:122
14286432161,2sleep01428650-21ssh21:38:010
14280862161,3sleep21379804-21diskmemload21:37:122
125416699161,3cyclictest0-21swapper/320:20:133
125416699160,4cyclictest0-21swapper/319:50:113
125416699160,13cyclictest0-21swapper/320:55:143
17142612151,8sleep11379804-21diskmemload00:28:071
16159752151,9sleep11379804-21diskmemload23:30:141
14524392158,3sleep01452453-21ssh21:51:000
13381382150,1sleep20-21swapper/220:29:452
15802142140,1sleep10-21swapper/123:08:461
15465542140,6sleep01546568-21ssh22:48:480
15389272141,7sleep21379804-21diskmemload22:44:542
15348882141,8sleep01534944-21ntpq22:40:200
14038242141,6sleep00-21swapper/021:23:220
13759812141,2sleep10-21swapper/121:05:151
13330522141,8sleep21333134-21date20:25:002
13289432141,2sleep00-21swapper/020:20:170
17115932130,7sleep21379804-21diskmemload00:25:192
16653872130,1sleep00-21swapper/023:59:450
16556942130,2sleep20-21swapper/223:52:482
16481832131,2sleep10-21swapper/123:48:581
16035952131,7sleep11379804-21diskmemload23:20:401
15871532131,8sleep21587164-21sh23:11:272
15235112131,7sleep01525155-21cut22:35:180
15128182131,8sleep21512829-21ssh22:28:432
15120142131,2sleep00-21swapper/022:27:360
14685852131,2sleep11468593-21ssh22:00:321
14107042131,6sleep00-21swapper/021:26:110
13876992131,5sleep20-21swapper/221:14:222
13426432131,8sleep11342892-21/usr/sbin/munin20:30:241
17051922121,5sleep11379804-21diskmemload00:22:031
16977882121,5sleep00-21swapper/000:18:160
16878542121,4sleep11379804-21diskmemload00:10:591
16826992121,4sleep01379804-21diskmemload00:10:060
16816722121,7sleep01681686-21ssh00:09:020
16401252121,5sleep11379804-21diskmemload23:44:181
16292292121,7sleep01629240-21ssh23:35:430
16292062121,7sleep21629212-21ssh23:35:412
16128242120,3sleep01612836-21ssh23:26:450
15950592121,3sleep00-21swapper/023:15:300
15788252121,6sleep21379804-21diskmemload23:06:462
15550532121,4sleep11379804-21diskmemload22:53:561
15531372121,7sleep01553151-21ssh22:51:170
15303122121,7sleep21379804-21diskmemload22:39:442
15049652121,3sleep00-21swapper/022:24:470
14852312120,8sleep11485244-21ssh22:10:411
14559022121,5sleep21456043-21hddtemp_smartct21:55:152
14552612121,7sleep01455470-21ssh21:55:010
14324522121,7sleep01434218-21cut21:40:180
13974502121,6sleep21397541-21irqstats21:20:152
13945282121,7sleep01394542-21ssh21:17:170
13945282121,7sleep01394542-21ssh21:17:170
13740002121,7sleep11374220-21sed21:00:261
17241532110,3sleep21724168-21ssh00:35:052
17224842111,4sleep21379804-21diskmemload00:33:062
17056542111,2sleep20-21swapper/200:22:392
16793282111,3sleep10-21swapper/100:05:501
16633942111,2sleep10-21swapper/123:56:561
16623962111,2sleep20-21swapper/223:55:332
16486182111,3sleep21379804-21diskmemload23:49:362
16477322110,2sleep01647743-21ssh23:48:210
16326882111,3sleep00-21swapper/023:40:080
16148822111,3sleep10-21swapper/123:29:301
16074682111,5sleep21607612-21hddtemp_smartct23:25:142
16026922111,5sleep01602751-21ntpq23:20:190
15950102111,2sleep1171rcu_preempt23:15:281
15876152111,6sleep11587628-21ssh23:12:061
15516932111,4sleep21379804-21diskmemload22:50:202
15198342111,3sleep00-21swapper/022:31:570
15026332111,3sleep10-21swapper/122:21:401
14949582111,2sleep10-21swapper/122:17:311
14935742111,4sleep21379804-21diskmemload22:15:392
14856252111,6sleep01485636-21ssh22:11:120
14721482110,3sleep21472163-21ssh22:05:092
14638292111,3sleep00-21swapper/022:00:100
14612002111,6sleep11379804-21diskmemload21:56:501
14455502111,6sleep11445560-21ssh21:48:321
14198852111,6sleep01419897-21ssh21:32:200
14092872111,3sleep10-21swapper/121:25:191
13843062111,3sleep01384435-21gzip21:10:230
13595662111,5sleep21359789-21df_inode20:50:132
13579932111,5sleep21358040-21ntpq20:45:202
13488542111,5sleep21348994-21diskstats20:40:112
13474342111,5sleep01347487-21ntp_states20:35:200
13230402111,5sleep01323298-21df_inode20:15:120
13230402111,5sleep01323298-21df_inode20:15:120
13180722111,5sleep11318148-21irqstats20:10:131
13180722111,5sleep11318148-21irqstats20:10:121
12963372111,5sleep21296580-21users19:45:252
12870072112,4sleep21287025-21apt-get19:40:122
12719422111,5sleep01272074-21hddtemp_smartct19:25:150
17076642100,1sleep00-21swapper/000:25:090
16950112101,4sleep11379804-21diskmemload00:15:201
16730592101,3sleep11379804-21diskmemload00:03:421
16708472100,1sleep20-21swapper/200:00:302
16520562101,4sleep01653122-21memory23:50:180
16214442100,2sleep00-21swapper/023:31:590
16031092101,5sleep20-21swapper/223:20:252
15860792101,2sleep00-21swapper/023:10:250
15627052101,3sleep10-21swapper/122:57:431
15615322101,2sleep00-21swapper/022:56:100
15214412100,2sleep10-21swapper/122:34:061
15107972100,3sleep11379804-21diskmemload22:25:491
15030602101,2sleep20-21swapper/222:22:132
14884242101,2sleep00-21swapper/022:15:020
14779802101,5sleep11379804-21diskmemload22:06:561
14542412101,2sleep10-21swapper/121:53:371
14433082101,2sleep00-21swapper/021:45:270
14348572101,5sleep11435118-21grep21:40:271
14283522100,3sleep11379804-21diskmemload21:37:351
13938842100,1sleep10-21swapper/121:16:261
13938842100,1sleep10-21swapper/121:16:251
13857612101,3sleep10-21swapper/121:11:401
13788822101,5sleep21378929-21ls21:05:202
13646932101,4sleep11364948-21df20:55:131
13381592101,4sleep11338209-21munin-run20:30:011
13371902101,5sleep01337239-21ntpq20:25:220
13224792101,4sleep01322893-21apt-key20:15:000
13224792101,4sleep01322893-21apt-key20:15:000
13023472101,3sleep11302366-21apt-get19:55:131
12972182101,4sleep01297236-21apt-get19:50:120
12793102101,4sleep11280458-21memory19:30:171
12707752101,4sleep01271019-21users19:20:260
12662162100,1sleep20-21swapper/219:19:442
12662162100,1sleep20-21swapper/219:19:442
12543332101,4sleep21254352-21apt-get19:10:102
1728122291,3sleep01728211-21ntpq00:35:200
1672614290,1sleep00-21swapper/000:03:050
1570476290,1sleep10-21swapper/123:01:481
1543390291,5sleep11543451-21ntp_kernel_pll_22:45:211
1522816290,1sleep10-21swapper/122:35:151
1478173291,4sleep01478187-21ssh22:07:110
1471113290,2sleep20-21swapper/222:04:052
1413828291,3sleep11414077-21df_inode21:30:121
1402355291,3sleep11379804-21diskmemload21:21:221
1394146291,2sleep20-21swapper/221:16:472
1394146291,2sleep20-21swapper/221:16:462
1374949290,4sleep00-21swapper/021:05:100
1354089291,3sleep11354108-21apt-get20:45:111
1307964291,4sleep21309097-21cut20:00:152
1306213291,3sleep21306268-21ntpq19:55:232
1301391291,4sleep11301408-21expr19:50:251
1293880291,4sleep11295700-21cut19:45:171
1265252291,4sleep01265306-21ntpq19:15:210
1265252291,4sleep01265306-21ntpq19:15:210
1722418280,4sleep10-21swapper/100:33:001
1570535281,2sleep20-21swapper/223:01:532
1370598281,4sleep01372284-21kthreadcore21:00:170
1368531281,3sleep01368578-21ntpq20:55:200
1363411280,1sleep10-21swapper/120:50:211
1348706281,2sleep01348725-21apt-get20:40:090
1339874281,4sleep00-21swapper/020:30:150
1286996281,4sleep014-21ksoftirqd/019:40:060
1281616280,4sleep01281795-21cat19:35:010
1266524281,3sleep11266543-21apt-get19:20:121
1263331281,3sleep11265035-21sed19:15:181
1263331281,3sleep11265035-21sed19:15:181
1374494270,1sleep20-21swapper/221:02:322
1369320270,1sleep20-21swapper/220:57:152
1348108270,1sleep20-21swapper/220:36:392
1343245270,1sleep20-21swapper/220:34:462
1327873270,1sleep10-21swapper/120:19:381
1327873270,1sleep10-21swapper/120:19:381
1317283270,1sleep20-21swapper/220:08:332
1312577270,1sleep10-21swapper/120:05:111
1306937270,1sleep00-21swapper/019:56:490
1301190270,3sleep21301275-21ps19:50:222
1292104270,3sleep01292165-21cpuspeed_turbos19:45:110
1291738270,1sleep10-21swapper/119:43:551
1276294270,1sleep10-21swapper/119:27:161
1267016271,2sleep20-21swapper/219:20:162
1364297260,1sleep00-21swapper/020:53:360
1358765260,1sleep00-21swapper/020:47:230
1348728262,1sleep10-21swapper/120:40:101
1348258260,1sleep10-21swapper/120:37:541
1323402260,2sleep20-21swapper/220:15:142
1323402260,2sleep20-21swapper/220:15:142
1312252260,1sleep10-21swapper/120:04:111
1286551260,1sleep10-21swapper/119:37:501
1282561261,2sleep00-21swapper/019:35:170
1280459260,2sleep20-21swapper/219:30:182
1272147261,1sleep20-21swapper/219:25:172
1259121260,1sleep10-21swapper/119:13:371
1258254260,1sleep00-21swapper/019:10:200
1322328250,1sleep20-21swapper/220:13:062
1322328250,1sleep20-21swapper/220:13:062
1312872250,2sleep00-21swapper/020:05:140
1310920250,1sleep01311266-21strings20:00:170
1286713250,1sleep20-21swapper/219:39:562
1328179240,1sleep10-21swapper/120:20:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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