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2026-02-10 - 01:16
[ 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 100 highest latencies:
System rack3slot3s.osadl.org (updated Mon Feb 09, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2085121215850,103sleep30-21swapper/307:07:373
208510428958,9sleep10-21swapper/107:07:241
208507128654,9sleep20-21swapper/207:07:012
208525428256,20sleep00-21swapper/007:09:190
23095452291,11sleep02209532-21diskmemload10:09:390
2085599992622,1cyclictest0-21swapper/311:05:003
208559999262,18cyclictest2251311-21sleep09:34:593
2085599992621,2cyclictest0-21swapper/309:30:013
208559999261,9cyclictest2232223-21taskset09:21:223
2085599992421,1cyclictest0-21swapper/309:55:163
2085599992320,1cyclictest0-21swapper/308:40:013
2085599992319,2cyclictest0-21swapper/310:58:423
2085599992319,2cyclictest0-21swapper/307:55:003
2085599992318,2cyclictest0-21swapper/309:45:173
208559999231,18cyclictest2375298-21taskset10:48:183
208559999231,18cyclictest2129761-21taskset07:49:163
25447502221,2sleep20-21swapper/212:30:052
21583472221,9sleep12160048-21sed08:15:171
21583472221,9sleep12160048-21sed08:15:161
2085599992219,1cyclictest0-21swapper/308:30:003
2085599992219,1cyclictest0-21swapper/307:37:573
2085599992218,2cyclictest0-21swapper/310:25:193
208559999221,17cyclictest2560611-21taskset12:39:113
24065472211,12sleep12406620-21/usr/sbin/munin11:05:241
208559999219,8cyclictest2356931-21taskset10:35:403
208559999213,12cyclictest2457483-21taskset11:35:293
2085599992118,1cyclictest0-21swapper/311:19:193
2085599992118,1cyclictest0-21swapper/308:55:243
2085599992112,4cyclictest24341712sleep311:23:033
2085599992111,7cyclictest2549995-21taskset12:30:573
25596222201,9sleep22209532-21diskmemload12:37:462
23325322201,2sleep00-21swapper/010:21:110
208559999209,7cyclictest2332292-21chrt10:20:473
208559999202,12cyclictest2418573-21taskset11:14:563
208559999202,12cyclictest2214794-21taskset09:10:293
2085599992018,1cyclictest0-21swapper/312:20:013
2085599992018,1cyclictest0-21swapper/310:09:283
2085599992017,1cyclictest0-21swapper/310:50:133
2085599992017,1cyclictest0-21swapper/310:15:263
2085599992016,2cyclictest0-21swapper/311:25:183
2085599992015,2cyclictest0-21swapper/311:50:213
208559999201,15cyclictest2493933-21sleep12:00:003
208559999200,13cyclictest2499814-21taskset12:01:233
2085599991916,1cyclictest0-21swapper/312:25:133
2085599991916,1cyclictest0-21swapper/311:40:233
2085599991916,1cyclictest0-21swapper/311:05:153
2085599991916,1cyclictest0-21swapper/310:10:133
2085599991915,2cyclictest2258828-21taskset09:38:513
2085599991915,2cyclictest0-21swapper/312:05:173
2085599991915,2cyclictest0-21swapper/310:30:173
208559999191,15cyclictest2534372-21chrt12:22:433
208559999191,11cyclictest2469050-21taskset11:45:073
2085599991910,6cyclictest15850irq/127-ahci[0000:00:17.0]10:40:133
2085599991910,4cyclictest24499732sleep311:31:493
23568142181,2sleep10-21swapper/110:35:311
22157902182,5sleep02209532-21diskmemload09:11:550
22076522180,2sleep00-21swapper/009:00:210
2085599991816,1cyclictest0-21swapper/309:15:163
2085599991816,1cyclictest0-21swapper/309:15:153
2085599991815,2cyclictest0-21swapper/307:20:143
2085599991815,1cyclictest0-21swapper/307:15:153
208559999181,14cyclictest2516625-21chrt12:11:453
208559999181,14cyclictest2298932-21chrt10:01:203
208559999181,13cyclictest2161557-21chrt08:20:113
208559999181,13cyclictest0-21swapper/308:30:113
208559999180,14cyclictest15850irq/127-ahci[0000:00:17.0]09:40:433
208559999180,14cyclictest0-21swapper/309:52:343
208559999180,11cyclictest2193358-21chrt08:50:133
24672752171,4sleep22209532-21diskmemload11:42:462
24446802170,2sleep2421rcuc/211:30:152
24073612171,2sleep00-21swapper/011:05:470
23598002171,5sleep21-21systemd10:40:012
208559999173,11cyclictest2140272-21turbostat07:59:593
208559999171,12cyclictest0-21swapper/307:10:023
208559999171,10cyclictest2185358-21taskset08:40:193
208559999170,13cyclictest0-21swapper/307:40:113
25583382167,3sleep1331ktimers/112:35:531
24483952161,11sleep12448446-21open_inodes11:30:231
24245592161,4sleep22209532-21diskmemload11:16:252
23419442161,3sleep10-21swapper/110:28:091
23152212161,3sleep20-21swapper/210:10:462
22935122161,10sleep12293676-21ssh10:00:111
22570352161,2sleep22209532-21diskmemload09:36:152
22334462160,3sleep20-21swapper/209:23:112
22254332161,9sleep22209532-21diskmemload09:18:432
22254332161,9sleep22209532-21diskmemload09:18:422
22161942161,4sleep12209532-21diskmemload09:12:321
208559999162,9cyclictest2113750-21taskset07:33:343
208559999161,3cyclictest0-21swapper/308:05:123
208559999161,11cyclictest0-21swapper/309:00:123
208559999161,10cyclictest2192902-21taskset08:50:013
208559999160,13cyclictest0-21swapper/307:25:243
25589462151,8sleep02209532-21diskmemload12:36:480
25502402151,2sleep00-21swapper/012:31:190
24434172151,3sleep22209532-21diskmemload11:29:282
23917612151,10sleep12391774-21ssh10:57:321
23822422151,4sleep02382256-21ssh10:51:170
23564312151,9sleep02356652-21grep10:35:250
22922782151,2sleep10-21swapper/109:58:471
22845762151,9sleep22209532-21diskmemload09:54:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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