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2026-09-17 - 22:01

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 highest latencies:
System rack1slot6s.osadl.org (updated Thu Sep 17, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991170,5rtkit-daemon0-21swapper/307:31:402
2194991170,10rtkit-daemon0-21swapper/307:00:192
2194991120,5rtkit-daemon0-21swapper/307:15:253
15505991104,76cyclictest0-21swapper/309:37:093
2194991030,6rtkit-daemon14317-21sed08:20:380
15505991014,90cyclictest11775-21df_abs10:45:133
1550599994,89cyclictest0-21swapper/308:32:063
15505999714,76cyclictest31794-21telnet08:00:173
219499930,6rtkit-daemon27687-21aten_r1power_en05:50:213
1550599924,82cyclictest0-21swapper/308:50:193
1550599924,64cyclictest13645-21tr09:10:163
219499910,6rtkit-daemon17448-21runrttasks07:37:253
219499900,5rtkit-daemon18173-21aten_r1power_fr05:30:223
1550599904,69cyclictest0-21swapper/307:55:053
1550599904,68cyclictest0-21swapper/309:50:563
15505999014,40cyclictest0-21swapper/305:35:253
1550599894,67cyclictest0-21swapper/310:29:373
1550599894,67cyclictest0-21swapper/308:55:053
1550599894,67cyclictest0-21swapper/308:55:053
1550599894,64cyclictest0-21swapper/308:20:083
1550599893,61cyclictest0-21swapper/309:08:093
1550599884,78cyclictest0-21swapper/308:11:103
1550599884,78cyclictest0-21swapper/308:11:103
1550599884,68cyclictest0-21swapper/307:55:393
1550599884,67cyclictest0-21swapper/310:35:403
1550599883,78cyclictest0-21swapper/308:16:503
1550599883,68cyclictest57-21kswapd010:05:013
1550599874,76cyclictest22815-21sort07:45:253
1550599874,67cyclictest0-21swapper/307:41:533
1550599866,64cyclictest0-21swapper/309:56:083
1550599866,63cyclictest0-21swapper/309:25:473
1550599864,76cyclictest0-21swapper/309:35:023
1550599864,64cyclictest0-21swapper/310:18:023
1550599864,58cyclictest0-21swapper/310:53:063
1550599864,58cyclictest0-21swapper/310:34:223
1550599863,52cyclictest4639-21ssh09:45:193
219499850,22rtkit-daemon0-21swapper/207:10:413
1550599855,51cyclictest18513-21ntp_states10:05:293
1550599854,75cyclictest0-21swapper/308:25:283
1550599854,73cyclictest0-21swapper/310:11:283
1550599854,62cyclictest0-21swapper/307:20:373
1550599849,51cyclictest0-21swapper/308:46:413
1550599848,59cyclictest24229-21unixbench_multi08:35:373
1550599844,74cyclictest3694-21hwlatdetect08:05:253
1550599844,62cyclictest0-21swapper/309:40:403
1550599844,62cyclictest0-21swapper/309:40:403
1550599844,59cyclictest0-21swapper/309:01:583
1550599844,49cyclictest0-21swapper/305:45:053
1550599834,71cyclictest0-21swapper/306:54:313
1550599834,71cyclictest0-21swapper/306:54:313
1550599834,63cyclictest0-21swapper/308:41:293
1550599834,57cyclictest0-21swapper/309:16:543
1550599834,55cyclictest20264-21cpuspeed_turbos09:20:173
1550599825,70cyclictest0-21swapper/306:25:393
1550599824,61cyclictest0-21swapper/306:35:333
1550599824,58cyclictest0-21swapper/307:27:213
1550599815,60cyclictest0-21swapper/306:10:333
1550599813,71cyclictest0-21swapper/305:59:433
15505998112,46cyclictest32477-21telnet06:00:213
278212800,7sleep027820-21cut10:20:180
278212800,7sleep027820-21cut10:20:180
1550599806,47cyclictest107550irq/46-eth006:45:283
1550599805,58cyclictest0-21swapper/310:42:333
1550599804,58cyclictest0-21swapper/306:55:203
15505998021,52cyclictest28800-21timerwakeupswit10:20:333
15505998021,52cyclictest28800-21timerwakeupswit10:20:333
15504998046,10cyclictest19572-21grep06:40:212
1550599794,68cyclictest0-21swapper/306:40:323
15505997936,34cyclictest10585-21gltestperf06:20:283
15505997914,38cyclictest0-21swapper/307:32:413
1550399793,66cyclictest20043-21gltestperf08:30:251
1550599764,64cyclictest28954-21aten2.4-expect07:00:203
1550599764,64cyclictest0-21swapper/305:50:113
1550599764,62cyclictest0-21swapper/306:15:213
1550399755,62cyclictest0-21swapper/109:45:251
1550599746,47cyclictest1227-21runrttasks06:34:283
1550599744,64cyclictest0-21swapper/306:09:243
1550599744,64cyclictest0-21swapper/306:09:243
1550599744,62cyclictest0-21swapper/305:26:273
1550599714,60cyclictest31491-21cpuspeed_turbos07:05:223
1550599714,57cyclictest0-21swapper/305:25:133
1550599714,57cyclictest0-21swapper/305:25:133
1550399699,53cyclictest0-21swapper/109:59:561
219499660,4rtkit-daemon2193-21rtkit-daemon10:03:041
1550399664,51cyclictest0-21swapper/109:13:421
1550399658,49cyclictest0-21swapper/108:55:281
1550399658,49cyclictest0-21swapper/108:55:281
1550399654,52cyclictest0-21swapper/110:07:561
323742640,5sleep226-21rcuc/207:05:332
219499640,6rtkit-daemon0-21swapper/305:45:212
180242644,53sleep00-21swapper/007:39:220
1550399644,52cyclictest0-21swapper/108:15:301
1550399644,51cyclictest11497-21crond07:30:061
15503996418,36cyclictest10960-21crond10:44:581
219499630,7rtkit-daemon0-21swapper/307:40:322
219499630,5rtkit-daemon6173-21munin-node06:10:352
1550399634,51cyclictest0-21swapper/109:08:021
1550399634,51cyclictest0-21swapper/107:25:071
1550399634,51cyclictest0-21swapper/106:40:421
1550399634,50cyclictest0-21swapper/105:35:131
1550399634,42cyclictest20943-21iostat09:20:261
1550399633,52cyclictest15532-21wc07:35:191
162552623,51sleep00-21swapper/010:02:290
15504996240,14cyclictest0-21swapper/210:45:332
15504996240,14cyclictest0-21swapper/207:25:232
1550399625,49cyclictest0-21swapper/108:25:321
15503996244,12cyclictest0-21swapper/109:32:021
1550399624,50cyclictest0-21swapper/109:39:081
1550399624,49cyclictest0-21swapper/109:25:251
15503996214,27cyclictest22460-21runrttasks08:35:101
15501996228,11cyclictest1227-21runrttasks09:36:370
256472613,49sleep00-21swapper/010:15:360
219499610,7rtkit-daemon0-21swapper/305:50:292
219499610,4rtkit-daemon12-21rcu_preempt10:48:171
15504996141,13cyclictest0-21swapper/209:51:032
15504996140,14cyclictest0-21swapper/210:30:282
15504996139,15cyclictest0-21swapper/208:15:272
1550399619,43cyclictest0-21swapper/108:45:371
1550399618,46cyclictest0-21swapper/110:24:341
1550399618,46cyclictest0-21swapper/110:24:341
1550399614,49cyclictest15098-21grep06:30:271
1550399614,49cyclictest0-21swapper/108:10:211
1550399614,49cyclictest0-21swapper/108:10:211
219499600,7rtkit-daemon0-21swapper/308:10:462
219499600,7rtkit-daemon0-21swapper/308:10:462
219499600,6rtkit-daemon0-21swapper/307:10:482
219499600,6rtkit-daemon0-21swapper/306:55:492
219499600,6rtkit-daemon0-21swapper/306:45:342
219499600,6rtkit-daemon0-21swapper/305:30:302
219499600,5rtkit-daemon2193-21rtkit-daemon09:07:290
1550499604,48cyclictest0-21swapper/210:40:202
1550399606,48cyclictest19551-21irqstats07:40:281
1550399604,48cyclictest0-21swapper/110:54:571
1550399604,47cyclictest1227-21runrttasks05:45:321
1550399604,37cyclictest0-21swapper/107:58:231
219499590,6rtkit-daemon0-21swapper/306:00:282
219499590,6rtkit-daemon0-21swapper/305:35:522
219499590,6rtkit-daemon0-21swapper/008:42:221
15504995939,13cyclictest0-21swapper/208:40:322
15504995938,14cyclictest0-21swapper/210:10:272
1550399595,48cyclictest0-21swapper/106:53:011
1550399595,48cyclictest0-21swapper/106:53:011
1550399594,48cyclictest0-21swapper/109:45:021
1550399594,48cyclictest0-21swapper/109:45:021
1550399594,47cyclictest0-21swapper/110:10:291
1550399594,37cyclictest0-21swapper/108:54:061
15503995915,27cyclictest16847-21ssh09:15:151
219499580,6rtkit-daemon0-21swapper/308:05:162
219499580,6rtkit-daemon0-21swapper/305:44:362
174072583,48sleep00-21swapper/010:05:150
15504995841,11cyclictest0-21swapper/207:54:192
15504995841,10cyclictest31827-21rm08:00:172
15504995839,12cyclictest0-21swapper/208:55:262
15504995839,12cyclictest0-21swapper/208:55:262
15504995838,13cyclictest0-21swapper/208:25:282
15504995830,12cyclictest0-21swapper/210:28:212
1550399588,43cyclictest25271-21python10:15:301
1550399586,46cyclictest0-21swapper/110:35:361
1550399584,48cyclictest0-21swapper/109:51:091
1550399584,36cyclictest0-21swapper/107:55:011
15503995815,12cyclictest0-21swapper/110:25:251
1550199585,45cyclictest0-21swapper/009:20:240
1550199584,36cyclictest0-21swapper/010:25:200
50692573,12sleep00-21swapper/009:45:240
219499570,7rtkit-daemon0-21swapper/008:20:451
1550499574,45cyclictest0-21swapper/210:50:272
15504995738,13cyclictest0-21swapper/207:37:502
15504995737,14cyclictest0-21swapper/209:55:182
15504995737,13cyclictest0-21swapper/208:50:302
1550399577,43cyclictest14124-21ssh07:32:261
1550399575,30cyclictest0-21swapper/109:00:311
1550399575,29cyclictest0-21swapper/108:00:201
1550199574,46cyclictest0-21swapper/008:15:370
1550199574,36cyclictest0-21swapper/008:30:300
179622563,9sleep218079-21head10:05:222
1550499564,45cyclictest0-21swapper/208:30:182
15504995637,12cyclictest0-21swapper/209:43:282
15504995637,12cyclictest0-21swapper/209:43:282
15504995636,13cyclictest0-21swapper/209:26:182
1550399564,45cyclictest9488-21awk06:20:091
1550199564,34cyclictest7118-21grep08:10:290
1550199564,34cyclictest7118-21grep08:10:290
15501995638,10cyclictest29321-21grep07:55:260
1550199563,46cyclictest0-21swapper/008:25:340
1550199563,10cyclictest0-21swapper/009:19:530
15501995613,36cyclictest41ktimersoftd/006:10:270
132512562,10sleep013254-21ssh09:10:090
259442552,10sleep20-21swapper/206:52:082
259442552,10sleep20-21swapper/206:52:082
234932553,45sleep00-21swapper/010:14:590
1550499559,40cyclictest17022-21sed09:15:162
15504995536,13cyclictest0-21swapper/208:47:282
15504995535,13cyclictest0-21swapper/209:46:382
1550499553,45cyclictest0-21swapper/210:20:242
1550499553,45cyclictest0-21swapper/210:20:242
1550399559,27cyclictest0-21swapper/110:30:131
1550199554,24cyclictest0-21swapper/007:47:310
15501995537,11cyclictest15416-21sed10:50:190
1550199553,37cyclictest2859-21aten_r1power_po08:05:170
15501995516,22cyclictest0-21swapper/007:30:400
1550499544,43cyclictest0-21swapper/209:10:312
15504995435,13cyclictest0-21swapper/207:45:172
1550399544,42cyclictest0-21swapper/107:48:361
1550399544,24cyclictest0-21swapper/107:10:191
1550399542,43cyclictest0-21swapper/105:55:411
1550199544,31cyclictest0-21swapper/006:05:210
1550199544,31cyclictest0-21swapper/006:05:210
1550199543,37cyclictest0-21swapper/009:00:140
15504995336,12cyclictest0-21swapper/209:07:092
15504995336,11cyclictest0-21swapper/208:38:342
15504995334,13cyclictest0-21swapper/207:55:312
15504995330,15cyclictest0-21swapper/210:35:232
1550499533,45cyclictest26-21rcuc/209:04:202
1550399539,28cyclictest0-21swapper/106:55:201
1550399534,30cyclictest0-21swapper/105:25:251
1550399533,44cyclictest0-21swapper/108:05:471
1550199534,36cyclictest0-21swapper/009:30:490
1550199534,31cyclictest0-21swapper/010:40:110
1550199533,44cyclictest26539-21fschecks_time08:40:220
1550199533,37cyclictest0-21swapper/009:50:120
106422532,10sleep00-21swapper/007:27:040
15504995236,11cyclictest0-21swapper/209:24:132
15504995236,10cyclictest0-21swapper/208:20:182
15504995232,13cyclictest0-21swapper/210:15:122
1550399527,25cyclictest0-21swapper/106:50:081
1550399526,27cyclictest0-21swapper/105:40:291
1550199524,42cyclictest0-21swapper/008:35:200
1550199524,42cyclictest0-21swapper/005:35:400
1550199524,30cyclictest0-21swapper/005:30:110
15501995236,10cyclictest31499-21cpuspeed_turbos07:05:220
14212522,44sleep00-21swapper/008:50:370
320822512,11sleep20-21swapper/205:58:552
219499510,4rtkit-daemon2193-21rtkit-daemon09:58:270
211152512,42sleep00-21swapper/006:41:220
1550399518,37cyclictest0-21swapper/106:09:241
1550399518,37cyclictest0-21swapper/106:09:241
1550399515,29cyclictest0-21swapper/105:35:361
1550399514,27cyclictest0-21swapper/106:29:271
15503995121,14cyclictest0-21swapper/106:35:321
1550199514,42cyclictest0-21swapper/008:03:310
1550199514,29cyclictest0-21swapper/005:40:340
1550199514,28cyclictest0-21swapper/005:45:220
1550199514,26cyclictest0-21swapper/009:27:040
1550199514,22cyclictest0-21swapper/007:42:310
15501995122,12cyclictest0-21swapper/006:35:250
15501995121,12cyclictest0-21swapper/006:00:310
290982502,10sleep20-21swapper/209:33:412
219499500,4rtkit-daemon2193-21rtkit-daemon05:20:302
219499500,4rtkit-daemon2193-21rtkit-daemon05:20:302
1550499504,12cyclictest0-21swapper/210:00:152
15504995035,10cyclictest0-21swapper/209:38:452
1550399504,29cyclictest0-21swapper/107:00:281
15503995010,25cyclictest0-21swapper/107:05:191
1550199504,39cyclictest0-21swapper/010:30:250
1550199504,28cyclictest0-21swapper/010:45:130
1550199504,28cyclictest0-21swapper/009:40:440
1550199504,28cyclictest0-21swapper/009:40:440
1550199504,28cyclictest0-21swapper/005:30:360
1550199504,25cyclictest0-21swapper/006:20:200
1550199503,42cyclictest0-21swapper/008:48:340
1550199503,30cyclictest0-21swapper/007:50:180
15501995021,24cyclictest5538-21taskset08:56:370
15501995021,24cyclictest5538-21taskset08:56:370
15501995020,13cyclictest0-21swapper/006:45:230
1550499494,38cyclictest0-21swapper/206:35:292
1550499494,28cyclictest0-21swapper/206:05:312
1550499494,28cyclictest0-21swapper/206:05:312
1550399495,28cyclictest0-21swapper/107:15:201
1550399494,35cyclictest7098-21latency_hist06:15:101
1550399494,26cyclictest0-21swapper/106:00:381
1550399494,25cyclictest0-21swapper/106:24:261
1550199494,28cyclictest0-21swapper/006:15:340
1550199494,28cyclictest0-21swapper/005:55:210
15501994923,12cyclictest0-21swapper/010:36:530
15501994919,13cyclictest0-21swapper/006:25:320
117002492,10sleep20-21swapper/206:23:102
1550499486,34cyclictest0-21swapper/207:20:182
1550499484,27cyclictest0-21swapper/206:30:362
1550199484,28cyclictest0-21swapper/006:50:230
1550199484,28cyclictest0-21swapper/006:50:230
1550199484,27cyclictest0-21swapper/007:20:410
1550199484,27cyclictest0-21swapper/007:15:180
1550199484,27cyclictest0-21swapper/007:00:340
1550199484,27cyclictest0-21swapper/006:55:360
1550199484,27cyclictest0-21swapper/005:50:370
1550499474,26cyclictest0-21swapper/206:25:292
15503994730,10cyclictest28852-21needreboot05:50:351
93622462,10sleep20-21swapper/206:18:462
1550499464,36cyclictest0-21swapper/205:25:302
1550199464,26cyclictest0-21swapper/007:10:280
153522464,35sleep00-21swapper/005:23:430
153522464,35sleep00-21swapper/005:23:430
55532452,10sleep20-21swapper/207:16:142
15501994530,9cyclictest16051-21cat06:30:410
1550399403,20cyclictest15697-21cat05:25:131
15503993617,13cyclictest0-21swapper/105:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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