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2026-02-14 - 02:55
[ 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 #7, slot #4

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 rack7slot4s.osadl.org (updated Sat Feb 14, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31707996411,10cyclictest131rcu_preempt22:20:120
3170799587,7cyclictest131rcu_preempt22:55:140
31719995621,11cyclictest10629-21apt-get00:25:121
31719995621,11cyclictest10629-21apt-get00:25:121
31719995437,10cyclictest11396-21apt-get22:55:131
3170799523,4cyclictest131rcu_preempt23:30:120
3170799516,35cyclictest29404-21ssh23:05:140
3172799473,33cyclictest6447-21ssh21:40:142
3171999453,36cyclictest18831-21ssh22:05:121
3171999452,5cyclictest131rcu_preempt21:00:141
3170799452,8cyclictest12-21ksoftirqd/022:40:120
31735994426,11cyclictest28366irq/58-eth021:50:123
3173599431,39cyclictest0-21swapper/322:40:123
31719994232,6cyclictest15156-21apt-get20:00:131
3170799422,30cyclictest31293-21ssh22:30:130
3171999412,31cyclictest19570-21ssh00:30:131
3171999412,31cyclictest19570-21ssh00:30:121
31719994118,9cyclictest3017-21/usr/sbin/munin22:30:301
31719994112,12cyclictest30789-21fw_packets00:00:151
31707994127,8cyclictest12-21ksoftirqd/022:18:050
31719994015,11cyclictest31708-21ssh00:17:361
31719994014,11cyclictest4986-21sh00:40:021
31719994013,9cyclictest26947-21ntp_192.168.11419:35:211
31719994013,17cyclictest9732-21/usr/sbin/munin23:10:281
31719994011,10cyclictest13766-21/usr/sbin/munin22:00:281
31719994010,11cyclictest23298-21ssh00:13:151
3170799405,4cyclictest131rcu_preempt20:20:140
31719993926,9cyclictest7147-21rm00:05:131
31719993920,16cyclictest0-21swapper/121:20:141
31719993920,15cyclictest0-21swapper/120:25:131
31719993915,7cyclictest19011-21sed23:15:301
31719993914,9cyclictest2036-21ssh21:19:181
3171999391,33cyclictest15408-21ssh21:45:111
31719993913,10cyclictest31893-21ssh23:24:201
31719993912,12cyclictest9895-21grep19:20:201
31719993912,12cyclictest9895-21grep19:20:201
31719993912,11cyclictest16863-21memory22:20:231
31719993912,10cyclictest6558-21diskstats21:40:151
31719993911,11cyclictest8438-21ssh21:58:451
31719993910,11cyclictest20289-21ssh21:29:471
3171999383,28cyclictest24333-21ssh21:50:131
31719993825,8cyclictest7814-21apt-get22:35:121
31719993815,11cyclictest152891/usr/sbin/munin20:30:281
31719993815,10cyclictest3254-21ssh21:36:411
31719993814,8cyclictest28366-21ssh23:57:511
31719993812,10cyclictest3117-21/usr/sbin/munin20:55:121
3173599371,30cyclictest0-21swapper/322:55:143
31719993727,6cyclictest25826-21ssh22:45:111
31719993721,12cyclictest16804-21apt-get22:40:121
31719993715,6cyclictest23354-21ntp_192.168.11420:05:251
31719993713,9cyclictest24542-21ntp_192.168.11420:40:231
31719993713,9cyclictest24542-21ntp_192.168.11420:40:231
31719993711,9cyclictest27343-21ssh22:25:461
31719993711,11cyclictest5712-21tune2fs19:50:161
3173599360,2cyclictest0-21swapper/323:00:133
31727993616,15cyclictest261rcuc/221:15:132
31719993627,4cyclictest20392-21ssh23:00:121
31719993613,9cyclictest16874-21tail23:50:301
31719993613,8cyclictest32692-21ssh23:25:031
31719993613,8cyclictest32692-21ssh23:25:021
31719993612,9cyclictest567-21ssh22:10:591
31719993612,8cyclictest29555-21apt-get20:15:131
31719993612,8cyclictest29555-21apt-get20:15:131
31719993612,8cyclictest23489-21ssh23:35:551
31719993612,8cyclictest17372-21ntp_states19:25:251
31719993612,12cyclictest21300-21cut21:30:181
31719993612,11cyclictest10933-21tr23:30:191
31719993528,4cyclictest27276-21apt-get23:40:111
31719993519,12cyclictest29395-21ssh23:05:141
31719993513,8cyclictest11002-21ssh23:48:201
31719993513,10cyclictest17307-21diskmemload22:19:111
31719993511,11cyclictest5557-21grep22:50:231
31719993510,11cyclictest3232-21cut20:20:211
31719993510,10cyclictest23939-21ssh21:12:151
31719993510,10cyclictest23939-21ssh21:12:141
3173599342,27cyclictest0-21swapper/300:25:123
3173599342,27cyclictest0-21swapper/300:25:113
31719993411,9cyclictest3032-21sed19:10:271
31719993411,8cyclictest0-21swapper/100:23:171
31719993410,10cyclictest22454-21sed19:30:281
3173599335,19cyclictest28366irq/58-eth022:50:133
3173599333,25cyclictest0-21swapper/300:35:153
3173599332,21cyclictest28366irq/58-eth023:10:143
3173599331,28cyclictest0-21swapper/321:40:123
3173599331,27cyclictest0-21swapper/300:15:123
3173599322,25cyclictest0-21swapper/321:20:133
3173599321,2cyclictest0-21swapper/322:45:123
3173599321,27cyclictest0-21swapper/322:35:123
31735993212,14cyclictest28366irq/58-eth021:35:143
3173599320,2cyclictest0-21swapper/300:05:133
31719993219,8cyclictest28365-21apt-get19:40:111
31719993210,8cyclictest0-21swapper/120:45:181
3170799322,7cyclictest12-21ksoftirqd/021:20:120
3173599311,26cyclictest0-21swapper/319:45:123
3172799313,18cyclictest4364-21ssh22:15:132
3172799312,22cyclictest27-21ksoftirqd/223:58:042
3172799312,22cyclictest11985-21ssh21:25:122
31719993125,3cyclictest12729-21apt-get21:05:131
31719993110,6cyclictest0-21swapper/120:35:241
3173599303,24cyclictest0-21swapper/319:20:133
3173599303,24cyclictest0-21swapper/319:20:123
3172799302,20cyclictest0-21swapper/223:20:132
31727993013,12cyclictest0-21swapper/222:20:132
3170799309,14cyclictest131rcu_preempt00:05:130
3173599292,21cyclictest28366irq/58-eth021:30:123
3173599291,2cyclictest0-21swapper/321:05:123
3173599291,25cyclictest0-21swapper/323:50:143
3173599291,24cyclictest0-21swapper/320:45:113
3173599291,23cyclictest0-21swapper/323:45:123
3173599291,23cyclictest0-21swapper/320:25:143
3173599291,22cyclictest0-21swapper/323:20:123
3173599290,1cyclictest0-21swapper/323:55:173
3172799297,3cyclictest131rcu_preempt00:30:232
3172799297,3cyclictest131rcu_preempt00:30:232
3172799292,20cyclictest18475-21apt-get19:30:052
3172799291,8cyclictest24116-21/usr/sbin/munin23:00:262
31727992912,4cyclictest27-21ksoftirqd/200:15:022
31719992916,9cyclictest9037-21latency_hist19:20:021
31719992910,6cyclictest0-21swapper/119:45:161
3170799293,6cyclictest12-21ksoftirqd/023:25:120
3170799293,6cyclictest12-21ksoftirqd/023:25:110
3173599282,20cyclictest0-21swapper/321:00:143
3173599281,24cyclictest0-21swapper/320:55:123
3173599281,23cyclictest0-21swapper/321:15:133
3173599280,2cyclictest0-21swapper/319:25:123
31727992811,10cyclictest131rcu_preempt22:54:042
31727992810,12cyclictest261rcuc/222:55:142
31719992816,9cyclictest25205-21cut20:10:171
31719992814,10cyclictest14873-21vmstat19:55:301
31719992813,11cyclictest30859-21df_inode20:50:151
3170799289,5cyclictest131rcu_preempt22:49:400
3170799282,20cyclictest27303-21ssh23:40:130
3173599272,20cyclictest0-21swapper/300:00:143
3173599271,2cyclictest0-21swapper/323:15:113
3173599271,2cyclictest0-21swapper/322:30:133
3173599271,22cyclictest0-21swapper/320:00:123
3173599271,20cyclictest0-21swapper/321:25:113
3173599271,1cyclictest0-21swapper/319:40:113
3172799279,11cyclictest131rcu_preempt22:01:152
3172799278,9cyclictest27-21ksoftirqd/221:30:202
3172799276,11cyclictest27-21ksoftirqd/200:05:232
3172799272,16cyclictest22346irq/40-dwc2_hso23:50:132
3173599261,2cyclictest0-21swapper/323:40:113
3173599261,2cyclictest0-21swapper/320:35:123
3173599261,2cyclictest0-21swapper/320:10:113
3173599261,2cyclictest0-21swapper/319:15:123
3173599261,2cyclictest0-21swapper/319:10:113
3173599261,19cyclictest0-21swapper/300:10:113
3173599260,2cyclictest0-21swapper/322:00:133
3172799268,11cyclictest0-21swapper/222:32:052
3172799267,12cyclictest27-21ksoftirqd/222:25:472
31727992612,10cyclictest42-21kauditd23:35:002
3170799263,17cyclictest23831-21ssh23:20:120
3173599253,18cyclictest0-21swapper/320:50:133
3173599253,16cyclictest0-21swapper/322:06:043
3173599253,14cyclictest28366irq/58-eth022:25:123
3173599252,13cyclictest28366irq/58-eth023:05:123
31735992516,6cyclictest28366irq/58-eth022:20:143
31735992514,6cyclictest28366irq/58-eth021:10:133
31735992514,6cyclictest28366irq/58-eth021:10:123
3173599251,3cyclictest0-21swapper/300:33:373
3173599251,3cyclictest0-21swapper/300:33:373
3173599250,2cyclictest0-21swapper/323:30:283
3172799259,10cyclictest131rcu_preempt23:39:232
3172799253,3cyclictest131rcu_preempt22:46:222
3172799251,16cyclictest1697-21ssh00:20:142
3172799251,14cyclictest11662-21timerwakeupswit21:00:282
3172799250,18cyclictest24018-21ls21:50:022
3170799256,4cyclictest131rcu_preempt22:05:140
3170799256,4cyclictest0-21swapper/021:37:460
3170799253,3cyclictest131rcu_preempt20:55:120
31707992513,8cyclictest632-21Async12:11:530
3170799251,2cyclictest131rcu_preempt21:15:120
3173599241,2cyclictest0-21swapper/323:35:113
3173599241,2cyclictest0-21swapper/320:30:113
3173599241,2cyclictest0-21swapper/300:20:133
3173599241,20cyclictest0-21swapper/322:15:163
3173599241,20cyclictest0-21swapper/322:10:223
3173599241,20cyclictest0-21swapper/320:40:283
3173599241,20cyclictest0-21swapper/320:40:273
3173599241,19cyclictest0-21swapper/323:29:373
3173599241,19cyclictest0-21swapper/323:29:373
3173599240,2cyclictest0-21swapper/320:05:143
3172799249,8cyclictest27-21ksoftirqd/200:27:582
3172799249,8cyclictest27-21ksoftirqd/200:27:582
3172799249,7cyclictest27-21ksoftirqd/223:40:232
3172799248,9cyclictest27-21ksoftirqd/221:54:072
3172799244,9cyclictest131rcu_preempt23:25:172
3172799244,9cyclictest131rcu_preempt23:25:162
3172799243,14cyclictest22346irq/40-dwc2_hso19:25:142
3172799243,12cyclictest22346irq/40-dwc2_hso23:05:132
3172799243,11cyclictest131rcu_preempt22:40:292
3172799242,7cyclictest131rcu_preempt23:11:202
3172799242,7cyclictest0-21swapper/222:05:522
3172799241,9cyclictest27-21ksoftirqd/222:10:252
31727992413,4cyclictest0-21swapper/220:05:272
31727992411,7cyclictest131rcu_preempt21:20:122
31727992410,11cyclictest4416-21load21:55:232
3172799240,12cyclictest4120-21ls23:45:172
3170799243,17cyclictest17307-21diskmemload00:15:140
3170799242,20cyclictest26542-21ssh00:33:040
3170799242,20cyclictest26542-21ssh00:33:040
31707992413,3cyclictest12-21ksoftirqd/021:54:590
31707992413,3cyclictest12-21ksoftirqd/021:40:130
31707992412,4cyclictest12-21ksoftirqd/021:10:150
31707992412,4cyclictest12-21ksoftirqd/021:10:140
31707992412,3cyclictest12-21ksoftirqd/021:29:030
31707992411,10cyclictest12-21ksoftirqd/019:25:120
3173599231,5cyclictest0-21swapper/319:55:193
3173599231,3cyclictest0-21swapper/320:20:273
3173599231,2cyclictest0-21swapper/321:45:163
3173599231,2cyclictest0-21swapper/319:30:153
3173599231,19cyclictest0-21swapper/320:15:303
3173599231,19cyclictest0-21swapper/320:15:293
3173599231,18cyclictest0-21swapper/319:35:123
3173599230,2cyclictest0-21swapper/321:55:093
3172799238,9cyclictest131rcu_preempt20:50:132
3172799237,8cyclictest27-21ksoftirqd/219:20:302
3172799237,8cyclictest27-21ksoftirqd/219:20:292
3172799235,12cyclictest27-21ksoftirqd/200:39:252
3172799234,5cyclictest27-21ksoftirqd/222:35:172
3172799232,16cyclictest30548-21ssh00:00:132
3172799232,13cyclictest131rcu_preempt19:35:232
31727992311,9cyclictest25107-21/usr/sbin/munin00:15:232
3172799231,13cyclictest27-21ksoftirqd/220:20:192
3170799239,4cyclictest12-21ksoftirqd/022:12:210
3170799238,4cyclictest131rcu_preempt22:00:130
3170799237,3cyclictest131rcu_preempt23:35:140
3170799231,3cyclictest131rcu_preempt21:45:110
31707992313,3cyclictest12-21ksoftirqd/020:35:190
31707992311,3cyclictest12-21ksoftirqd/000:25:130
31707992311,3cyclictest12-21ksoftirqd/000:25:120
3173599220,3cyclictest0-21swapper/319:50:133
3172799228,5cyclictest27-21ksoftirqd/223:18:252
3172799223,13cyclictest839-21munin-node19:50:142
3172799221,14cyclictest17705-21ssh21:10:132
3172799221,14cyclictest17705-21ssh21:10:132
31727992210,8cyclictest27-21ksoftirqd/219:15:302
31719992212,8cyclictest31598-21latency_hist19:10:021
3170799229,8cyclictest17307-21diskmemload21:30:130
3170799229,4cyclictest12-21ksoftirqd/019:40:190
3170799229,3cyclictest12-21ksoftirqd/020:45:220
3170799226,7cyclictest12-21ksoftirqd/021:55:050
3170799222,3cyclictest131rcu_preempt00:11:330
3170799222,11cyclictest0-21swapper/022:52:280
3170799221,6cyclictest2593166ssh23:01:210
3170799221,3cyclictest131rcu_preempt23:10:120
31707992212,3cyclictest12-21ksoftirqd/000:02:540
31707992212,2cyclictest12-21ksoftirqd/020:15:220
31707992212,2cyclictest12-21ksoftirqd/020:15:220
3170799221,18cyclictest15394-21ls20:00:170
31707992211,3cyclictest12-21ksoftirqd/023:16:510
31707992211,3cyclictest12-21ksoftirqd/000:36:590
31707992210,4cyclictest12-21ksoftirqd/019:35:220
31707992210,2cyclictest12-21ksoftirqd/023:57:400
3172799214,11cyclictest22346irq/40-dwc2_hso19:40:122
3172799213,9cyclictest131rcu_preempt21:35:092
3172799212,12cyclictest0-21swapper/220:35:132
3172799211,14cyclictest27-21ksoftirqd/219:45:162
3172799211,13cyclictest10327-21apt-get19:55:122
3170799218,3cyclictest12-21ksoftirqd/022:38:060
3170799211,9cyclictest0-21swapper/020:50:120
3170799211,4cyclictest131rcu_preempt21:00:140
31707992113,5cyclictest12-21ksoftirqd/019:45:120
31707992110,4cyclictest12-21ksoftirqd/022:27:260
31707992110,3cyclictest12-21ksoftirqd/020:00:020
3172799204,3cyclictest131rcu_preempt20:15:202
3172799204,3cyclictest131rcu_preempt20:15:202
3172799202,7cyclictest131rcu_preempt20:10:252
3172799202,5cyclictest27-21ksoftirqd/220:30:212
3172799202,4cyclictest131rcu_preempt19:10:262
3172799202,10cyclictest24942-21unixbench_multi20:40:272
3172799202,10cyclictest24942-21unixbench_multi20:40:262
3172799201,9cyclictest6915-21fschecks_time20:25:162
3172799201,15cyclictest15487-21grep20:00:172
3172799200,4cyclictest27-21ksoftirqd/220:45:152
3170799209,7cyclictest12-21ksoftirqd/020:05:140
3170799208,3cyclictest12-21ksoftirqd/020:30:140
3170799207,8cyclictest531-21usb-storage19:30:040
3170799203,5cyclictest9286-21tune2fs19:20:170
3170799203,5cyclictest9286-21tune2fs19:20:160
3170799203,12cyclictest151rcuc/023:50:140
3170799202,2cyclictest131rcu_preempt20:40:170
3170799202,2cyclictest131rcu_preempt20:40:170
3172799199,7cyclictest27-21ksoftirqd/220:55:122
3172799192,7cyclictest27-21ksoftirqd/221:05:142
3170799198,3cyclictest12-21ksoftirqd/020:25:130
3170799191,3cyclictest0-21swapper/019:10:220
3170799191,14cyclictest12-21ksoftirqd/023:45:140
3172799183,7cyclictest31750-21latency_hist19:10:022
3170799189,2cyclictest12-21ksoftirqd/019:50:120
3170799188,2cyclictest12-21ksoftirqd/021:05:160
3170799187,3cyclictest12-21ksoftirqd/020:10:240
31707991812,3cyclictest12-21ksoftirqd/019:15:200
3173599171,14cyclictest0-21swapper/319:10:013
3170799172,8cyclictest131rcu_preempt19:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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