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2026-07-25 - 07:26

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 all highest latencies:
System rack1slot6s.osadl.org (updated Sat Jul 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1874221010,7sleep10-21swapper/121:41:381
83099715,58cyclictest0-21swapper/022:16:450
830996624,36cyclictest13275-21switchtime22:21:470
83099655,52cyclictest0-21swapper/021:26:360
83099655,52cyclictest0-21swapper/021:26:360
203452653,12sleep00-21swapper/018:56:350
83299644,52cyclictest0-21swapper/121:16:401
83099645,51cyclictest0-21swapper/020:21:460
83099644,52cyclictest0-21swapper/022:56:470
73662643,11sleep20-21swapper/221:25:202
83399634,52cyclictest0-21swapper/223:01:472
833996318,29cyclictest0-21swapper/223:15:322
83099635,49cyclictest26783-21crond21:06:180
83099634,52cyclictest2837-21python21:16:490
83499623,50cyclictest12101-21cpuspeed_turbos22:21:293
83299623,54cyclictest0-21swapper/121:57:151
83299623,53cyclictest8748-21date23:06:141
83099625,50cyclictest0-21swapper/023:16:380
83099624,51cyclictest0-21swapper/022:01:310
83099624,51cyclictest0-21swapper/021:56:290
210222623,51sleep10-21swapper/123:23:031
83499614,15cyclictest0-21swapper/323:39:523
83299614,50cyclictest0-21swapper/120:26:541
83099616,48cyclictest0-21swapper/022:36:130
83099615,49cyclictest14984-21diskstats21:36:340
83099615,49cyclictest0-21swapper/022:46:330
83099615,49cyclictest0-21swapper/020:46:310
83099615,49cyclictest0-21swapper/020:46:310
83099614,50cyclictest26018-21diskmemload22:26:300
279592613,11sleep00-21swapper/023:34:310
114972610,6sleep011498-21gltestperf20:41:390
834996033,12cyclictest0-21swapper/323:04:473
833996037,10cyclictest0-21swapper/220:35:382
83299603,50cyclictest1124-21snmpd19:32:221
83099605,48cyclictest0-21swapper/023:01:370
83099605,48cyclictest0-21swapper/021:21:330
83099604,50cyclictest0-21swapper/022:41:460
267932603,50sleep00-21swapper/021:54:240
253062603,12sleep10-21swapper/121:51:391
83499598,26cyclictest0-21swapper/322:56:563
83299594,48cyclictest0-21swapper/120:36:551
83299593,50cyclictest0-21swapper/119:41:551
83099594,49cyclictest0-21swapper/020:56:370
83099594,48cyclictest0-21swapper/023:11:340
83099593,50cyclictest0-21swapper/023:41:280
83099593,50cyclictest0-21swapper/022:51:410
83099593,50cyclictest0-21swapper/020:41:030
83099593,49cyclictest0-21swapper/021:10:570
83099593,49cyclictest0-21swapper/020:53:010
83099593,49cyclictest0-21swapper/020:01:210
83099593,48cyclictest0-21swapper/020:31:360
83099593,48cyclictest0-21swapper/019:27:010
258302593,12sleep30-21swapper/321:02:393
101472594,48sleep30-21swapper/320:40:263
83399584,40cyclictest0-21swapper/223:22:582
83299583,49cyclictest31222-21munin-node20:21:531
83299583,49cyclictest26660-21cstates20:16:351
83299583,47cyclictest31969-21df_abs22:51:301
83099585,47cyclictest0-21swapper/020:16:490
83099585,45cyclictest12499-21processes21:31:460
83099584,48cyclictest0-21swapper/023:36:320
83099584,47cyclictest0-21swapper/023:26:270
83099584,47cyclictest0-21swapper/022:41:140
83099584,47cyclictest0-21swapper/021:47:360
83099584,47cyclictest0-21swapper/019:41:450
83099583,50cyclictest0-21swapper/023:10:410
83099583,48cyclictest0-21swapper/020:11:370
83099583,48cyclictest0-21swapper/018:26:340
327562584,46sleep20-21swapper/222:51:432
270492583,46sleep20-21swapper/221:06:292
224472583,11sleep20-21swapper/221:46:482
834995738,11cyclictest31736-21ps21:11:463
833995713,26cyclictest0-21swapper/222:41:332
83299574,47cyclictest0-21swapper/122:21:271
83299574,47cyclictest0-21swapper/118:42:131
83299573,47cyclictest15726-21ntpq21:36:451
83299573,47cyclictest0-21swapper/122:01:471
83299573,47cyclictest0-21swapper/121:06:361
83099575,45cyclictest0-21swapper/020:26:260
83099574,46cyclictest0-21swapper/022:11:300
83099574,46cyclictest0-21swapper/021:11:510
83099574,43cyclictest0-21swapper/021:41:420
83099573,48cyclictest2741-21gltestperf22:06:350
83099573,47cyclictest0-21swapper/018:16:360
83099573,10cyclictest0-21swapper/023:22:270
83099572,49cyclictest0-21swapper/020:01:420
83099572,49cyclictest0-21swapper/020:01:420
133492573,46sleep20-21swapper/219:46:512
83399566,32cyclictest26018-21diskmemload20:54:032
83399565,35cyclictest0-21swapper/220:41:242
83399564,37cyclictest0-21swapper/221:36:552
833995638,11cyclictest8702-21cpuspeed_turbos18:31:392
83299563,48cyclictest0-21swapper/123:41:431
83299563,48cyclictest0-21swapper/121:51:111
83299563,48cyclictest0-21swapper/119:06:431
83299563,47cyclictest5875-21fschecks_time22:11:341
83299563,47cyclictest0-21swapper/123:17:581
83299563,47cyclictest0-21swapper/122:36:301
83299563,47cyclictest0-21swapper/122:32:451
83299563,47cyclictest0-21swapper/120:31:491
83099564,45cyclictest0-21swapper/018:36:360
83099564,45cyclictest0-21swapper/018:36:360
64042563,7sleep04757-21munin-node19:31:540
834995536,11cyclictest24671-21gltestperf20:11:383
834995517,22cyclictest0-21swapper/321:57:413
834995512,25cyclictest27754-21fschecks_count21:06:363
83399554,33cyclictest0-21swapper/223:45:402
833995530,12cyclictest0-21swapper/222:33:482
83399553,40cyclictest0-21swapper/223:07:492
833995524,14cyclictest0-21swapper/223:33:222
83299554,44cyclictest0-21swapper/122:16:471
83299553,48cyclictest0-21swapper/120:57:001
83299553,46cyclictest3302-21rm22:06:451
83299553,46cyclictest30924-21rm21:11:341
83299553,46cyclictest0-21swapper/121:33:131
83299553,46cyclictest0-21swapper/119:11:351
83299553,45cyclictest0-21swapper/123:01:151
83099552,47cyclictest0-21swapper/019:21:480
75862553,46sleep20-21swapper/222:14:022
195472553,45sleep10-21swapper/120:53:461
83499546,40cyclictest0-21swapper/323:31:133
83499544,30cyclictest0-21swapper/322:37:153
83399546,27cyclictest0-21swapper/220:16:322
83399544,30cyclictest0-21swapper/221:06:192
833995425,12cyclictest0-21swapper/223:16:322
83299544,44cyclictest9153-21needreboot21:26:441
83299544,44cyclictest9153-21needreboot21:26:441
83299543,45cyclictest17696-21munin-run18:51:241
83299543,45cyclictest0-21swapper/123:26:351
83299543,45cyclictest0-21swapper/123:11:301
83299543,45cyclictest0-21swapper/120:46:441
83299543,45cyclictest0-21swapper/120:46:441
83299543,44cyclictest12468-21unixbench_singl20:41:531
83299543,44cyclictest0-21swapper/123:06:261
83299543,44cyclictest0-21swapper/118:51:571
83299543,10cyclictest0-21swapper/122:42:201
83099544,44cyclictest10329-21chrt18:33:490
83099543,45cyclictest0-21swapper/018:46:050
83099543,45cyclictest0-21swapper/018:26:250
270022542,45sleep00-21swapper/019:08:080
83499536,40cyclictest9789-21ssh23:06:343
83499535,14cyclictest0-21swapper/322:09:153
834995337,10cyclictest30244-21cpuspeed_turbos19:16:363
834995337,10cyclictest30244-21cpuspeed_turbos19:16:363
83499533,41cyclictest1525-21ssh21:16:323
83499532,39cyclictest0-21swapper/320:47:553
83499532,39cyclictest0-21swapper/320:47:553
834995319,20cyclictest0-21swapper/320:56:553
834995317,14cyclictest0-21swapper/318:17:093
83399535,30cyclictest0-21swapper/219:11:522
83399534,31cyclictest20339-21aten_r1power_cu18:56:342
83399534,29cyclictest0-21swapper/222:21:282
83399534,29cyclictest0-21swapper/219:01:472
83399533,35cyclictest0-21swapper/220:39:202
83399533,34cyclictest0-21swapper/220:56:452
833995311,36cyclictest0-21swapper/220:30:222
83299533,45cyclictest0-21swapper/121:01:421
83299533,45cyclictest0-21swapper/120:06:521
83299533,10cyclictest0-21swapper/123:35:361
83099534,44cyclictest0-21swapper/018:51:550
83099533,46cyclictest0-21swapper/019:12:410
83099533,44cyclictest12777-21sed19:46:400
83099533,44cyclictest0-21swapper/019:39:010
83099533,44cyclictest0-21swapper/019:02:280
145922533,43sleep20-21swapper/219:51:352
107292532,9sleep20-21swapper/222:18:292
83499526,28cyclictest0-21swapper/323:41:383
83499524,30cyclictest0-21swapper/323:11:353
83499524,28cyclictest0-21swapper/320:26:443
83499524,14cyclictest0-21swapper/322:01:243
834995238,7cyclictest0-21swapper/321:51:293
83399527,26cyclictest0-21swapper/221:31:332
83399525,29cyclictest0-21swapper/220:46:342
83399525,29cyclictest0-21swapper/220:46:342
83399524,29cyclictest0-21swapper/218:21:372
83399523,33cyclictest18718-21ssh21:41:372
833995225,13cyclictest0-21swapper/221:11:332
833995221,13cyclictest0-21swapper/222:56:362
833995221,13cyclictest0-21swapper/222:36:382
83299523,44cyclictest29593-21ssh23:36:321
83299523,44cyclictest16168-21munin-node22:26:401
83299523,43cyclictest0-21swapper/119:28:061
83299523,43cyclictest0-21swapper/118:57:101
83299523,10cyclictest0-21swapper/122:48:591
83299522,45cyclictest0-21swapper/119:48:121
83099524,43cyclictest0-21swapper/018:47:560
83099523,43cyclictest1124-21snmpd20:07:280
83499517,24cyclictest17961-21fschecks_time20:51:373
83499515,28cyclictest0-21swapper/320:31:343
83499515,28cyclictest0-21swapper/319:26:533
83499515,14cyclictest0-21swapper/320:18:573
83499514,39cyclictest5710-21cat21:21:413
834995121,13cyclictest0-21swapper/322:31:303
834995121,13cyclictest0-21swapper/318:26:253
83399515,28cyclictest0-21swapper/221:16:402
83399515,28cyclictest0-21swapper/218:26:432
83399515,27cyclictest0-21swapper/219:41:212
83399514,29cyclictest0-21swapper/219:56:362
83399514,28cyclictest0-21swapper/219:26:432
833995125,12cyclictest0-21swapper/221:59:482
833995121,13cyclictest0-21swapper/220:01:342
833995121,13cyclictest0-21swapper/220:01:342
833995120,12cyclictest0-21swapper/222:49:132
83299513,43cyclictest0-21swapper/119:57:291
83299513,43cyclictest0-21swapper/119:16:511
83299513,43cyclictest0-21swapper/119:16:511
83299513,43cyclictest0-21swapper/118:36:541
83299513,43cyclictest0-21swapper/118:36:541
83299513,42cyclictest0-21swapper/121:21:311
83299513,42cyclictest0-21swapper/119:51:511
245092512,9sleep30-21swapper/319:02:023
213832513,8sleep321497-21df_abs21:46:333
83499505,13cyclictest0-21swapper/322:12:173
83499504,32cyclictest0-21swapper/322:46:133
83499504,30cyclictest31188-21ssh20:21:533
83499504,28cyclictest0-21swapper/322:46:313
83499504,28cyclictest0-21swapper/319:36:443
83499504,27cyclictest0-21swapper/323:33:233
83499504,27cyclictest0-21swapper/323:21:353
83499504,27cyclictest0-21swapper/322:16:343
83499504,27cyclictest0-21swapper/319:36:233
83499504,26cyclictest0-21swapper/319:56:503
834995021,13cyclictest0-21swapper/323:16:253
834995021,12cyclictest0-21swapper/318:46:333
834995020,13cyclictest0-21swapper/321:37:433
834995018,8cyclictest10017-21df_abs19:41:373
83399505,27cyclictest0-21swapper/222:29:062
83399505,27cyclictest0-21swapper/221:54:332
83399504,29cyclictest0-21swapper/223:26:382
83399504,29cyclictest0-21swapper/220:21:362
83399504,28cyclictest0-21swapper/222:06:342
83399504,28cyclictest0-21swapper/219:41:452
83399504,28cyclictest0-21swapper/218:36:382
83399504,28cyclictest0-21swapper/218:36:382
83399503,29cyclictest0-21swapper/218:16:422
83399503,28cyclictest13152-21munin-node18:41:472
833995021,13cyclictest0-21swapper/223:40:492
833995017,18cyclictest281ktimersoftd/221:30:312
833995017,18cyclictest281ktimersoftd/221:30:312
83299503,42cyclictest0-21swapper/118:16:251
83299503,41cyclictest0-21swapper/118:16:431
83099504,25cyclictest0-21swapper/019:16:340
83099504,25cyclictest0-21swapper/019:16:340
83099503,42cyclictest0-21swapper/019:51:230
83499494,38cyclictest0-21swapper/321:41:233
83499494,29cyclictest0-21swapper/322:26:283
83499494,28cyclictest0-21swapper/321:31:363
83499494,28cyclictest0-21swapper/321:26:353
83499494,28cyclictest0-21swapper/321:26:353
83499494,28cyclictest0-21swapper/320:01:543
83499494,28cyclictest0-21swapper/320:01:543
83499494,28cyclictest0-21swapper/319:46:413
83499494,28cyclictest0-21swapper/318:31:423
83499494,27cyclictest0-21swapper/320:06:553
83499494,27cyclictest0-21swapper/319:06:433
83499494,27cyclictest0-21swapper/318:41:373
83499494,26cyclictest0-21swapper/318:41:253
83499494,26cyclictest0-21swapper/318:41:253
83499494,13cyclictest0-21swapper/320:42:503
834994930,11cyclictest6766-21grep18:26:413
83499493,27cyclictest32259-21munin-node19:21:403
834994919,12cyclictest0-21swapper/318:51:403
83399495,27cyclictest0-21swapper/220:06:532
83399494,28cyclictest0-21swapper/219:06:442
83399494,27cyclictest0-21swapper/222:02:352
83399494,27cyclictest0-21swapper/218:47:142
83299494,40cyclictest0-21swapper/119:41:151
83299494,37cyclictest0-21swapper/119:21:361
83299493,41cyclictest0-21swapper/119:02:111
219499490,5rtkit-daemon2193-21rtkit-daemon18:15:000
147282493,40sleep314870-21df_inode19:51:363
83499484,27cyclictest0-21swapper/319:11:513
834994814,20cyclictest31632-21cpuspeed22:51:273
833994818,14cyclictest0-21swapper/219:22:212
83299483,39cyclictest0-21swapper/118:21:371
83299482,41cyclictest0-21swapper/120:02:241
83299482,41cyclictest0-21swapper/120:02:241
83399474,26cyclictest0-21swapper/219:31:332
83399473,26cyclictest0-21swapper/220:11:522
832994734,9cyclictest26020-21crond20:16:201
83299473,39cyclictest0-21swapper/118:31:361
833994620,13cyclictest0-21swapper/218:55:062
83299463,38cyclictest0-21swapper/118:26:561
223242462,38sleep30-21swapper/318:59:363
833994415,15cyclictest0-21swapper/219:17:202
833994415,15cyclictest0-21swapper/219:17:202
83399404,30cyclictest0-21swapper/218:16:262
83499386,19cyclictest0-21swapper/318:16:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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