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2026-04-30 - 17:34

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 376 highest latencies:
System rack1slot6s.osadl.org (updated Thu Apr 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3512999931,51cyclictest5028-21ssh10:25:100
3512999629,14cyclictest0-21swapper/009:20:250
351299924,39cyclictest0-21swapper/007:35:150
351299924,37cyclictest0-21swapper/009:15:120
3512999224,9cyclictest1836-21grep07:55:470
3512999222,12cyclictest0-21swapper/010:16:000
3512999122,12cyclictest0-21swapper/007:25:110
3512999122,11cyclictest0-21swapper/005:50:160
3512999122,11cyclictest0-21swapper/005:50:160
351299903,42cyclictest0-21swapper/007:44:260
3512999028,9cyclictest9411-21crond06:20:020
351299894,46cyclictest0-21swapper/007:45:170
3512998923,10cyclictest28749-21unixbench_multi07:00:340
3512998831,7cyclictest15556-21ssh07:30:110
351299878,13cyclictest0-21swapper/008:27:300
3512998731,10cyclictest21962-21crond06:50:010
3512998723,12cyclictest0-21swapper/008:52:240
3512998629,8cyclictest896-21munin-node10:20:200
3512998531,8cyclictest4756-21ssh08:49:570
351299843,37cyclictest0-21swapper/009:00:100
3512998429,7cyclictest14904-21ssh08:15:250
3512998428,9cyclictest27206-21ssh08:35:090
3512998422,12cyclictest0-21swapper/005:05:250
3512998421,12cyclictest0-21swapper/008:20:240
3512998326,19cyclictest0-21swapper/008:30:400
3512998323,12cyclictest0-21swapper/009:55:220
3512998318,13cyclictest0-21swapper/008:05:110
3512998219,10cyclictest10492-21unixbench_singl07:20:360
3512998129,8cyclictest1287-21snmpd05:28:020
3512998126,13cyclictest0-21swapper/005:45:190
3512998025,7cyclictest26759-21diskmemload07:08:250
3512998021,12cyclictest0-21swapper/010:14:540
248599800,6rtkit-daemon2484-21rtkit-daemon10:00:030
248599800,6rtkit-daemon2484-21rtkit-daemon10:00:030
167262800,2sleep2281ktimersoftd/208:19:582
3512997829,7cyclictest26759-21diskmemload08:55:080
351299773,15cyclictest0-21swapper/005:40:040
351299753,15cyclictest0-21swapper/010:05:160
351599735,61cyclictest0-21swapper/308:03:053
351599735,61cyclictest0-21swapper/308:03:053
351599734,62cyclictest0-21swapper/310:20:043
351299734,16cyclictest0-21swapper/007:15:190
351299734,16cyclictest0-21swapper/007:15:190
351299724,14cyclictest0-21swapper/009:40:250
351599714,60cyclictest4554-21grep05:00:213
351599704,59cyclictest0-21swapper/309:44:293
351599694,58cyclictest0-21swapper/309:55:203
351499693,57cyclictest0-21swapper/207:25:112
351599684,57cyclictest0-21swapper/309:36:173
3513996842,9cyclictest15425-21munin-node09:05:091
351499673,57cyclictest6047-21ssh09:39:372
351499673,29cyclictest0-21swapper/209:25:052
351399675,54cyclictest0-21swapper/107:05:351
351599664,56cyclictest0-21swapper/307:44:003
351599664,55cyclictest0-21swapper/305:40:043
351499654,54cyclictest0-21swapper/209:45:282
351499654,53cyclictest0-21swapper/210:25:252
351499653,54cyclictest31780-21rm07:53:432
351499653,54cyclictest0-21swapper/210:09:532
351499653,53cyclictest0-21swapper/208:45:292
351599644,53cyclictest0-21swapper/306:16:133
351599643,55cyclictest0-21swapper/308:45:333
351499643,53cyclictest0-21swapper/206:15:162
351499643,52cyclictest0-21swapper/208:20:212
3513996436,13cyclictest0-21swapper/107:32:471
351599634,53cyclictest0-21swapper/308:40:263
351599634,53cyclictest0-21swapper/308:40:263
351499634,51cyclictest0-21swapper/209:05:092
3514996330,13cyclictest0-21swapper/209:12:172
351499633,53cyclictest13109-21ssh09:49:562
351499633,53cyclictest0-21swapper/207:15:282
351499633,53cyclictest0-21swapper/207:15:282
351499633,52cyclictest0-21swapper/209:40:242
3514996314,42cyclictest32579-21ssh07:06:312
3513996340,7cyclictest2695-21ssh08:45:201
3513996338,12cyclictest0-21swapper/108:54:211
3513996337,12cyclictest0-21swapper/108:57:521
66172623,51sleep10-21swapper/109:40:091
3514996233,12cyclictest0-21swapper/209:31:002
351499623,53cyclictest26759-21diskmemload10:03:582
351499623,53cyclictest26759-21diskmemload10:03:582
351499623,53cyclictest0-21swapper/208:40:132
351499623,53cyclictest0-21swapper/208:40:132
351499623,51cyclictest0-21swapper/207:44:572
351499623,51cyclictest0-21swapper/207:14:562
351499622,51cyclictest17739-21cut06:35:232
351499622,51cyclictest17739-21cut06:35:232
351399626,50cyclictest0-21swapper/109:45:241
351399625,50cyclictest0-21swapper/107:15:201
351399625,50cyclictest0-21swapper/107:15:201
3513996238,10cyclictest0-21swapper/106:20:201
3513996237,11cyclictest0-21swapper/109:35:141
3513996235,12cyclictest0-21swapper/110:25:271
3513996235,12cyclictest0-21swapper/109:26:281
3513996235,12cyclictest0-21swapper/108:16:231
248599620,5rtkit-daemon2484-21rtkit-daemon09:33:420
351599615,15cyclictest0-21swapper/309:32:253
351599613,51cyclictest0-21swapper/305:25:553
3515996118,19cyclictest7251-21ls08:05:123
351499614,49cyclictest0-21swapper/209:55:202
351499613,50cyclictest0-21swapper/210:15:452
351499613,50cyclictest0-21swapper/208:33:332
3513996139,7cyclictest30523-21ssh07:50:301
3513996137,11cyclictest0-21swapper/108:38:031
3513996137,10cyclictest0-21swapper/109:00:071
3513996136,11cyclictest0-21swapper/107:56:031
3513996136,10cyclictest17679-21fschecks_time08:20:151
3513996135,11cyclictest0-21swapper/108:00:541
3513996135,11cyclictest0-21swapper/108:00:541
3513996135,10cyclictest0-21swapper/110:13:061
3513996133,12cyclictest0-21swapper/109:58:561
3513996117,37cyclictest23190-21ssh09:15:231
265932613,12sleep30-21swapper/310:09:583
248599610,4rtkit-daemon2484-21rtkit-daemon08:29:371
351599604,49cyclictest0-21swapper/310:15:213
3515996014,22cyclictest0-21swapper/307:23:223
351499604,50cyclictest0-21swapper/206:14:152
3514996033,12cyclictest0-21swapper/209:15:092
3514996033,12cyclictest0-21swapper/209:00:222
3514996033,12cyclictest0-21swapper/205:40:312
3514996032,13cyclictest0-21swapper/207:00:542
351499603,52cyclictest0-21swapper/207:23:342
351499603,51cyclictest0-21swapper/208:25:302
351499603,50cyclictest0-21swapper/207:46:302
351499603,50cyclictest0-21swapper/207:34:032
351499603,49cyclictest0-21swapper/209:20:052
351499603,49cyclictest0-21swapper/208:50:492
351499603,48cyclictest20758-21yum-updatesd-he06:45:282
3513996036,10cyclictest0-21swapper/107:20:231
3513996035,11cyclictest0-21swapper/108:41:061
3513996035,11cyclictest0-21swapper/108:41:061
3513996035,11cyclictest0-21swapper/107:28:381
3513996019,24cyclictest0-21swapper/107:35:361
3513996019,20cyclictest11150-21hwlatdetect08:10:161
3513996019,19cyclictest23575-21netstat07:40:251
3512996037,8cyclictest31103-21ssh08:40:120
3512996037,8cyclictest31103-21ssh08:40:120
351599599,44cyclictest0-21swapper/309:03:453
351599593,13cyclictest0-21swapper/309:20:243
351599593,12cyclictest0-21swapper/308:32:063
3515995922,12cyclictest0-21swapper/309:29:533
351499594,49cyclictest0-21swapper/210:10:172
351499593,50cyclictest0-21swapper/208:10:192
351499593,50cyclictest0-21swapper/208:07:292
351499592,51cyclictest0-21swapper/208:01:442
351499592,51cyclictest0-21swapper/208:01:442
351599584,14cyclictest0-21swapper/308:24:573
351599584,10cyclictest22457-21diskstats09:15:123
351599583,33cyclictest0-21swapper/307:08:003
3515995822,30cyclictest6924-21unixbench_singl07:15:353
3515995822,30cyclictest6924-21unixbench_singl07:15:353
351599582,9cyclictest0-21swapper/305:30:253
351499584,47cyclictest0-21swapper/208:35:172
3514995831,13cyclictest0-21swapper/207:59:592
351499583,49cyclictest0-21swapper/205:59:582
351399585,45cyclictest0-21swapper/109:50:161
3513995833,12cyclictest0-21swapper/107:04:031
3513995833,11cyclictest30397-21cat10:15:071
3513995832,11cyclictest0-21swapper/108:07:521
3513995831,10cyclictest28648-21rm07:49:391
3513995828,13cyclictest0-21swapper/105:50:311
3513995828,13cyclictest0-21swapper/105:50:311
351599575,45cyclictest0-21swapper/310:25:253
351599575,29cyclictest0-21swapper/307:02:253
351599575,26cyclictest0-21swapper/308:50:553
351599572,9cyclictest0-21swapper/310:04:173
351599572,9cyclictest0-21swapper/310:04:173
351599572,9cyclictest0-21swapper/306:02:453
351499573,50cyclictest0-21swapper/210:20:282
351499573,48cyclictest0-21swapper/208:55:102
351499573,47cyclictest0-21swapper/206:00:292
351499572,49cyclictest0-21swapper/205:15:262
3513995733,9cyclictest21422-21munin-node10:00:261
3513995733,9cyclictest21422-21munin-node10:00:261
3513995723,14cyclictest0-21swapper/105:20:051
31232573,47sleep33145-21python07:10:383
351599566,31cyclictest0-21swapper/305:05:243
351599566,10cyclictest10547-21yum-updatesd-he09:45:253
351599565,45cyclictest0-21swapper/308:10:373
351599565,27cyclictest0-21swapper/307:52:363
351599564,30cyclictest0-21swapper/305:18:003
351599564,29cyclictest0-21swapper/308:29:583
351599564,28cyclictest0-21swapper/309:08:573
351599563,14cyclictest0-21swapper/308:35:103
351599563,12cyclictest894-21sed07:55:333
351599563,10cyclictest24881-21sed10:05:243
351599562,50cyclictest0-21swapper/308:59:023
351499563,47cyclictest0-21swapper/206:50:062
351499563,47cyclictest0-21swapper/205:40:022
351499563,47cyclictest0-21swapper/205:32:162
351499562,49cyclictest0-21swapper/207:36:332
351399564,46cyclictest0-21swapper/109:31:211
3513995633,7cyclictest29999-21munin-node05:55:231
3513995631,10cyclictest0-21swapper/105:04:331
3513995630,12cyclictest0-21swapper/106:15:551
3513995630,11cyclictest0-21swapper/108:30:081
351399563,47cyclictest0-21swapper/109:14:101
3512995634,8cyclictest19527-21rm09:10:150
351599556,43cyclictest0-21swapper/306:36:403
351599556,43cyclictest0-21swapper/306:36:403
351599555,44cyclictest0-21swapper/307:45:233
351599555,28cyclictest0-21swapper/307:39:263
351599555,27cyclictest0-21swapper/307:34:353
351599554,44cyclictest0-21swapper/306:45:253
351499554,46cyclictest0-21swapper/205:14:542
351499554,46cyclictest0-21swapper/205:14:542
351499553,46cyclictest0-21swapper/206:30:112
351499553,46cyclictest0-21swapper/205:54:552
351499553,46cyclictest0-21swapper/205:54:552
351499553,46cyclictest0-21swapper/205:45:182
351499553,45cyclictest0-21swapper/206:24:572
351499553,44cyclictest0-21swapper/205:01:152
3513995533,8cyclictest3784-21sh10:23:311
3513995531,10cyclictest0-21swapper/106:08:311
3513995529,12cyclictest0-21swapper/106:02:281
3512995527,13cyclictest0-21swapper/009:05:290
248599550,5rtkit-daemon2484-21rtkit-daemon09:35:190
351599545,43cyclictest0-21swapper/305:45:373
351499543,46cyclictest0-21swapper/205:25:422
351399545,43cyclictest0-21swapper/106:40:021
351399545,43cyclictest0-21swapper/106:40:021
351399545,43cyclictest0-21swapper/106:30:171
351399545,42cyclictest0-21swapper/105:45:141
351399545,29cyclictest0-21swapper/106:45:031
351399544,11cyclictest0-21swapper/106:10:191
3513995427,12cyclictest0-21swapper/107:10:171
3513995421,14cyclictest0-21swapper/109:23:191
3513995416,21cyclictest121850irq/46-eth010:05:231
3513995415,13cyclictest0-21swapper/106:45:201
248599540,5rtkit-daemon2484-21rtkit-daemon05:40:210
351599536,26cyclictest0-21swapper/309:13:313
351599534,43cyclictest0-21swapper/309:54:433
3515995317,11cyclictest0-21swapper/307:26:033
351499533,46cyclictest0-21swapper/205:24:272
351499533,43cyclictest0-21swapper/206:55:182
351399536,28cyclictest0-21swapper/106:59:291
3513995330,10cyclictest0-21swapper/105:28:301
3513995311,24cyclictest6701-21forks05:05:221
265592532,45sleep00-21swapper/006:57:370
248599530,5rtkit-daemon2484-21rtkit-daemon05:30:360
351599524,42cyclictest0-21swapper/305:55:353
351599524,42cyclictest0-21swapper/305:50:163
351599524,42cyclictest0-21swapper/305:50:163
351599524,42cyclictest0-21swapper/305:00:063
351599524,29cyclictest0-21swapper/306:14:163
351499523,44cyclictest0-21swapper/206:44:402
351399525,28cyclictest0-21swapper/106:25:391
351399523,42cyclictest0-21swapper/105:36:391
351299523,42cyclictest0-21swapper/009:44:570
3512995225,12cyclictest0-21swapper/006:25:250
3512995225,12cyclictest0-21swapper/006:10:200
3512995223,12cyclictest0-21swapper/009:25:070
248599520,5rtkit-daemon2484-21rtkit-daemon06:03:130
248599520,5rtkit-daemon2484-21rtkit-daemon05:00:300
351599515,41cyclictest0-21swapper/308:17:073
351599513,9cyclictest0-21swapper/306:30:123
351599513,11cyclictest24732-21chrt06:55:133
351399514,28cyclictest0-21swapper/105:10:371
351399514,28cyclictest0-21swapper/105:10:371
351399513,43cyclictest0-21swapper/105:40:151
3513995119,13cyclictest0-21swapper/105:23:011
3513995115,12cyclictest0-21swapper/105:30:271
34252514,6sleep00-21swapper/004:59:270
315052512,43sleep00-21swapper/007:52:440
351499503,43cyclictest0-21swapper/206:08:572
351499503,42cyclictest0-21swapper/206:25:062
351399504,28cyclictest0-21swapper/106:50:271
248599500,5rtkit-daemon2484-21rtkit-daemon06:05:580
351499493,42cyclictest0-21swapper/205:07:452
351299497,37cyclictest0-21swapper/009:51:240
3512994923,12cyclictest0-21swapper/008:10:320
3512994919,11cyclictest10648-21crond05:15:050
3512994919,11cyclictest10648-21crond05:15:050
107272493,39sleep00-21swapper/005:15:070
351599482,9cyclictest0-21swapper/305:23:383
351599482,9cyclictest0-21swapper/305:10:153
351599482,9cyclictest0-21swapper/305:10:153
3512994822,12cyclictest0-21swapper/007:10:390
351599474,38cyclictest11020-21processes06:20:313
3515994731,10cyclictest23000-21grep06:50:203
351599473,24cyclictest0-21swapper/305:42:073
351299474,21cyclictest0-21swapper/008:00:170
351299474,21cyclictest0-21swapper/008:00:170
3512994734,8cyclictest14484-21telnet06:30:120
248599470,5rtkit-daemon2484-21rtkit-daemon05:55:350
3515994632,9cyclictest3287-21grep06:05:223
351599462,9cyclictest0-21swapper/306:26:163
351599452,9cyclictest0-21swapper/306:44:563
3512994522,11cyclictest0-21swapper/006:50:310
3512994518,12cyclictest0-21swapper/006:35:180
3512994518,12cyclictest0-21swapper/006:35:180
3512994517,13cyclictest0-21swapper/005:25:060
351299435,32cyclictest0-21swapper/006:20:190
351399403,8cyclictest3668-21cat05:00:061
3514993925,8cyclictest3600-21latency_hist05:00:062
3512993916,18cyclictest0-21swapper/006:40:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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