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2026-02-27 - 00:17
[ 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 #1, slot #6

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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Thu Feb 26, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299772863,11sleep00-21swapper/011:10:340
293452860,4sleep015-21rcuc/008:45:040
248599830,6rtkit-daemon0-21swapper/106:29:450
3670997827,31cyclictest8899-21cpuspeed_turbos09:04:223
3670997628,40cyclictest17267-21tune2fs10:04:243
3670997531,38cyclictest3748-21fschecks_time09:44:223
3670997528,27cyclictest23896-21crond07:49:103
3670997524,32cyclictest18513-21fschecks_time10:54:203
253592750,6sleep225361-21head11:04:222
3670997430,27cyclictest27422-21grep10:19:223
3670997429,28cyclictest24920-21tail08:39:283
3670997424,43cyclictest0-21swapper/309:09:403
3670997424,43cyclictest0-21swapper/309:09:403
248599740,8rtkit-daemon0-21swapper/311:19:340
3670997227,38cyclictest31190-21munin-node11:14:263
3670997226,38cyclictest1419-21runrttasks11:23:023
3670997126,29cyclictest24106-21sed10:14:233
3670997119,28cyclictest15639-21expr09:14:213
248599710,6rtkit-daemon3809-21ssh10:33:060
248599710,6rtkit-daemon3809-21ssh10:33:060
366999704,58cyclictest0-21swapper/209:09:232
366999704,58cyclictest0-21swapper/209:09:232
3661997013,48cyclictest1243-21lldpd08:09:330
3670996926,28cyclictest19849-21munin-node10:09:313
3670996925,10cyclictest5623-21netstat10:34:303
3670996923,25cyclictest23148-21ssh11:00:093
3670996922,29cyclictest18565-21munin-node09:19:163
3670996915,45cyclictest0-21swapper/308:56:043
248599690,25rtkit-daemon0-21swapper/107:30:432
367099688,44cyclictest0-21swapper/309:42:023
3670996823,38cyclictest22065-21grep08:34:373
3670996822,39cyclictest10162-21yum-updatesd-he10:41:483
3670996816,35cyclictest0-21swapper/308:08:353
366999684,28cyclictest0-21swapper/210:29:212
366999684,28cyclictest0-21swapper/210:29:212
3667996847,14cyclictest0-21swapper/109:15:151
3670996722,38cyclictest11643-21df_inode10:44:183
3670996720,41cyclictest12225-21head07:24:233
3670996720,30cyclictest1287-21snmpd11:05:233
3670996719,30cyclictest0-21swapper/310:34:043
3670996719,30cyclictest0-21swapper/310:34:043
3670996718,31cyclictest0-21swapper/306:49:133
3670996716,44cyclictest0-21swapper/307:41:533
3670996716,43cyclictest0-21swapper/306:14:263
3670996716,30cyclictest0-21swapper/310:26:403
3670996715,44cyclictest0-21swapper/311:09:253
3669996749,10cyclictest1419-21runrttasks10:37:432
3670996628,31cyclictest9968-21aten_r1power_vo07:19:243
3670996622,22cyclictest0-21swapper/308:17:323
3670996621,37cyclictest0-21swapper/309:38:313
3670996621,27cyclictest19273-21chrt08:29:593
3670996621,27cyclictest19273-21chrt08:29:593
3670996618,41cyclictest0-21swapper/306:39:143
3661996618,42cyclictest27563-21if_eth010:19:240
248599660,4rtkit-daemon905-21ssh08:52:253
3670996527,30cyclictest1419-21runrttasks09:29:333
3670996523,35cyclictest1419-21runrttasks10:51:143
3670996521,37cyclictest0-21swapper/309:50:473
3670996521,37cyclictest0-21swapper/309:50:473
3670996519,30cyclictest0-21swapper/307:59:423
3670996519,21cyclictest0-21swapper/308:11:353
3670996517,41cyclictest0-21swapper/308:25:403
3670996516,42cyclictest0-21swapper/308:59:093
3670996516,42cyclictest0-21swapper/308:19:213
3670996515,32cyclictest0-21swapper/308:44:413
366199655,15cyclictest0-21swapper/008:34:080
366199655,15cyclictest0-21swapper/008:34:080
248599650,7rtkit-daemon0-21swapper/106:49:370
248599650,6rtkit-daemon15720-21munin-node07:29:350
3670996421,35cyclictest14429-21if_eth006:19:353
3670996421,35cyclictest14429-21if_eth006:19:353
3670996420,38cyclictest0-21swapper/307:04:293
3670996420,38cyclictest0-21swapper/307:04:293
3670996417,29cyclictest11683-21ssh09:54:433
3670996413,44cyclictest0-21swapper/310:02:513
248599640,8rtkit-daemon0-21swapper/106:54:370
248599640,8rtkit-daemon0-21swapper/106:43:300
248599640,7rtkit-daemon0-21swapper/107:09:440
248599640,7rtkit-daemon0-21swapper/107:04:360
248599640,7rtkit-daemon0-21swapper/107:04:360
248599640,21rtkit-daemon29540-21ssh08:45:472
3670996317,39cyclictest0-21swapper/311:24:403
3670996317,30cyclictest0-21swapper/307:59:103
3669996342,13cyclictest0-21swapper/208:42:082
3667996342,13cyclictest0-21swapper/110:34:241
366199635,13cyclictest0-21swapper/008:19:300
248599630,7rtkit-daemon0-21swapper/106:19:380
248599630,7rtkit-daemon0-21swapper/106:19:380
3670996218,29cyclictest0-21swapper/306:26:553
3670996216,27cyclictest1287-21snmpd06:04:383
3670996215,39cyclictest20398-21latency_hist06:34:143
366199626,13cyclictest0-21swapper/009:29:220
366199624,52cyclictest0-21swapper/008:04:300
232462623,11sleep20-21swapper/211:00:322
3670996122,18cyclictest23097-21load09:24:313
3670996116,16cyclictest0-21swapper/306:39:273
366999617,37cyclictest0-21swapper/208:19:202
3669996140,14cyclictest0-21swapper/208:29:302
3669996140,14cyclictest0-21swapper/208:29:302
3661996121,12cyclictest0-21swapper/009:39:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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