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2026-07-14 - 13:49

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 792 highest latencies:
System rack1slot6s.osadl.org (updated Tue Jul 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26174991024,91cyclictest0-21swapper/208:57:572
54892970,4sleep05492-21wc08:51:410
2617499943,65cyclictest0-21swapper/211:30:462
26174999411,63cyclictest0-21swapper/210:27:352
2617499934,81cyclictest0-21swapper/211:41:512
2617499924,68cyclictest0-21swapper/209:11:382
26174999114,61cyclictest22869-21df_abs08:31:272
2617499896,65cyclictest0-21swapper/211:48:212
2617499894,63cyclictest0-21swapper/209:19:502
2617499894,55cyclictest0-21swapper/210:16:242
2617499894,52cyclictest0-21swapper/207:14:422
2617499893,79cyclictest0-21swapper/207:10:272
26174998912,52cyclictest14293-21ssh09:06:222
26174998911,53cyclictest0-21swapper/210:01:282
26174998911,53cyclictest0-21swapper/210:01:282
2617499884,64cyclictest0-21swapper/209:57:182
2617499884,64cyclictest0-21swapper/208:40:332
2617499884,59cyclictest0-21swapper/210:21:222
26174998814,49cyclictest0-21swapper/210:59:542
2617499874,63cyclictest0-21swapper/207:16:272
2617499874,62cyclictest0-21swapper/208:46:352
2617499874,62cyclictest0-21swapper/208:46:352
2617499874,53cyclictest0-21swapper/208:51:192
2617499873,8cyclictest9769-21ssh11:21:352
2617499873,7cyclictest13619-21ssh09:51:372
2617499873,52cyclictest0-21swapper/210:53:052
2617499873,17cyclictest0-21swapper/208:12:462
2617499873,11cyclictest0-21swapper/209:30:102
2617499867,63cyclictest0-21swapper/209:47:492
2617499867,55cyclictest0-21swapper/207:36:242
2617499866,62cyclictest0-21swapper/210:33:022
2617499864,68cyclictest0-21swapper/211:06:132
2617499864,59cyclictest0-21swapper/211:20:362
2617499864,59cyclictest0-21swapper/211:20:362
2617499864,58cyclictest0-21swapper/211:05:532
2617499863,73cyclictest0-21swapper/209:21:382
2617499863,73cyclictest0-21swapper/209:21:382
2617499863,59cyclictest0-21swapper/209:38:562
2617499863,57cyclictest0-21swapper/207:21:302
2617499854,8cyclictest18694-21cpuspeed_turbos11:36:192
2617499854,73cyclictest0-21swapper/211:31:262
2617499854,73cyclictest0-21swapper/210:06:292
2617499854,59cyclictest0-21swapper/210:41:192
2617499854,57cyclictest0-21swapper/209:33:512
2617499853,9cyclictest4500-21ssh11:15:342
2617499853,58cyclictest0-21swapper/206:27:542
26174998517,51cyclictest0-21swapper/208:41:482
26174998517,51cyclictest0-21swapper/208:41:482
26174998514,53cyclictest0-21swapper/207:01:322
2617499847,55cyclictest107550irq/46-eth009:03:532
2617499845,63cyclictest0-21swapper/209:43:592
2617499844,72cyclictest0-21swapper/210:46:382
2617499843,57cyclictest0-21swapper/210:40:082
2617499843,57cyclictest0-21swapper/210:40:082
26174998414,47cyclictest0-21swapper/208:26:242
2617499838,51cyclictest27642-21ssh10:11:502
2617499834,10cyclictest29101-21tr06:31:312
2617499833,57cyclictest0-21swapper/207:54:442
2617499824,57cyclictest0-21swapper/211:51:402
2617499823,59cyclictest0-21swapper/208:01:442
2617499823,59cyclictest0-21swapper/208:01:442
2617499814,53cyclictest0-21swapper/206:56:172
2617499813,52cyclictest29924-21munin-node07:41:402
219499810,5rtkit-daemon2193-21rtkit-daemon11:12:531
2617499804,69cyclictest0-21swapper/207:26:572
2617499804,64cyclictest0-21swapper/207:31:482
2617499804,59cyclictest0-21swapper/208:06:482
26171998024,48cyclictest0-21swapper/011:10:140
2617499797,56cyclictest0-21swapper/206:41:292
2617499784,48cyclictest0-21swapper/208:16:322
2617499784,11cyclictest0-21swapper/207:46:442
26171997721,48cyclictest0-21swapper/011:21:180
219499770,5rtkit-daemon2193-21rtkit-daemon10:25:550
26174997615,43cyclictest16784-21telnet08:21:242
2617499754,56cyclictest0-21swapper/206:38:322
2617499754,56cyclictest0-21swapper/206:38:322
26174997518,41cyclictest0-21swapper/206:46:362
26171997523,44cyclictest22674-21ssh10:06:240
2617599744,60cyclictest0-21swapper/309:41:343
26171997328,38cyclictest18714-21ssh11:36:200
26171997326,41cyclictest17404-21grep09:56:440
26171997325,41cyclictest23721-21munin-node10:56:390
26171997325,41cyclictest11711-21gltestperf09:01:300
26171997316,38cyclictest4228-21sshd06:46:330
26171997315,33cyclictest0-21swapper/011:35:060
2617499724,48cyclictest0-21swapper/206:57:402
26171997229,36cyclictest12506-21df_abs08:11:300
26171997221,44cyclictest0-21swapper/009:46:320
26171997219,45cyclictest0-21swapper/008:31:270
2617499716,58cyclictest0-21swapper/207:56:292
26171997122,42cyclictest0-21swapper/010:11:320
26171997121,42cyclictest0-21swapper/007:06:150
26171997121,17cyclictest0-21swapper/009:36:280
26171997115,47cyclictest0-21swapper/009:06:230
26171997022,41cyclictest0-21swapper/010:54:260
26171997022,33cyclictest0-21swapper/011:11:230
26171997021,41cyclictest0-21swapper/008:56:350
26171997021,32cyclictest0-21swapper/011:26:230
26171997021,32cyclictest0-21swapper/011:16:350
26171997021,32cyclictest0-21swapper/011:16:350
26171997018,45cyclictest0-21swapper/008:46:270
26171997018,45cyclictest0-21swapper/008:46:270
26171997017,34cyclictest0-21swapper/007:16:360
26171997015,49cyclictest0-21swapper/011:42:250
26171997015,48cyclictest0-21swapper/010:03:500
26171997015,48cyclictest0-21swapper/010:03:500
26171997014,38cyclictest0-21swapper/009:51:280
219499700,5rtkit-daemon2193-21rtkit-daemon10:51:010
26171996921,32cyclictest0-21swapper/009:31:240
26171996921,26cyclictest889-21rs:main0
26171996920,41cyclictest0-21swapper/008:26:270
26171996918,15cyclictest0-21swapper/010:41:310
26171996823,30cyclictest6921-21munin-node10:31:340
26171996822,39cyclictest4752-21missed_timers10:26:330
26171996821,41cyclictest31105-21runrttasks11:54:070
26171996820,41cyclictest0-21swapper/008:42:230
26171996820,41cyclictest0-21swapper/008:42:230
26171996820,40cyclictest0-21swapper/011:46:310
26171996819,42cyclictest0-21swapper/008:36:460
2617599674,55cyclictest0-21swapper/309:11:263
26175996712,47cyclictest0-21swapper/311:21:223
26171996721,39cyclictest0-21swapper/006:29:370
26171996718,42cyclictest0-21swapper/009:26:310
2617599664,53cyclictest5252-21cpuspeed_turbos11:16:203
2617599664,53cyclictest5252-21cpuspeed_turbos11:16:203
26173996642,15cyclictest0-21swapper/111:51:151
26173996634,14cyclictest0-21swapper/110:41:331
26171996623,36cyclictest0-21swapper/008:16:320
26171996621,38cyclictest0-21swapper/010:16:220
26171996619,29cyclictest0-21swapper/007:06:310
219499660,7rtkit-daemon4150-21grep07:51:463
2617499654,9cyclictest26302-21cat06:26:182
26173996544,14cyclictest0-21swapper/110:26:321
2617199656,52cyclictest0-21swapper/009:20:480
26171996522,37cyclictest1255-21aten2.4-expect06:41:300
26171996519,40cyclictest0-21swapper/011:01:380
26171996519,40cyclictest0-21swapper/006:36:360
26171996519,40cyclictest0-21swapper/006:36:360
26171996510,48cyclictest0-21swapper/009:13:010
2617599644,52cyclictest0-21swapper/310:16:433
2617399644,52cyclictest0-21swapper/110:33:091
26171996446,11cyclictest1227-21runrttasks07:28:350
26171996440,18cyclictest1227-21runrttasks07:13:510
26171996438,20cyclictest0-21swapper/007:36:380
26171996430,16cyclictest0-21swapper/007:41:340
26171996421,36cyclictest0-21swapper/008:01:260
26171996421,36cyclictest0-21swapper/008:01:260
26171996418,39cyclictest0-21swapper/010:36:220
26171996418,39cyclictest0-21swapper/010:36:220
2617599635,50cyclictest0-21swapper/310:06:273
2617599634,51cyclictest0-21swapper/309:31:253
2617599634,51cyclictest0-21swapper/308:31:473
2617399634,50cyclictest0-21swapper/110:11:361
26171996320,37cyclictest0-21swapper/007:31:400
26171996319,37cyclictest0-21swapper/007:21:380
26171996318,39cyclictest0-21swapper/009:25:420
26171996318,39cyclictest0-21swapper/009:25:420
26171996317,39cyclictest0-21swapper/006:31:350
26171996316,40cyclictest0-21swapper/008:06:370
26171996311,45cyclictest0-21swapper/008:26:120
2617599624,51cyclictest0-21swapper/308:06:343
2617599624,50cyclictest0-21swapper/308:41:323
2617599624,50cyclictest0-21swapper/308:41:323
2617599624,50cyclictest0-21swapper/307:16:403
2617599623,51cyclictest0-21swapper/307:36:383
2617399624,49cyclictest0-21swapper/111:06:221
8612613,50sleep10-21swapper/109:33:071
2617599614,50cyclictest0-21swapper/306:51:113
2617599614,49cyclictest0-21swapper/311:06:203
2617599612,40cyclictest0-21swapper/308:16:413
26173996140,13cyclictest0-21swapper/107:16:251
26173996138,15cyclictest0-21swapper/111:41:291
26171996120,34cyclictest0-21swapper/007:46:430
2855226012,40sleep30-21swapper/308:39:193
2617599604,50cyclictest0-21swapper/310:30:073
2617599604,49cyclictest0-21swapper/311:41:363
2617599604,48cyclictest0-21swapper/310:33:573
2617599604,48cyclictest0-21swapper/310:11:503
2617599604,46cyclictest0-21swapper/311:31:223
2617599603,40cyclictest0-21swapper/310:42:033
2617599603,40cyclictest0-21swapper/309:48:133
26173996040,13cyclictest0-21swapper/109:26:231
26173996039,14cyclictest0-21swapper/111:26:391
2617399603,51cyclictest0-21swapper/110:06:201
2617399603,50cyclictest0-21swapper/111:00:061
26171996011,35cyclictest0-21swapper/006:58:320
2617599594,46cyclictest19469-21iostat11:36:283
2617599594,38cyclictest0-21swapper/308:53:563
2617599593,11cyclictest0-21swapper/310:46:383
219499590,7rtkit-daemon0-21swapper/110:36:173
219499590,7rtkit-daemon0-21swapper/110:36:173
2617599584,47cyclictest0-21swapper/309:06:263
26171995813,38cyclictest0-21swapper/006:51:350
26171995810,42cyclictest0-21swapper/007:56:140
2617599574,46cyclictest13642-21ssh09:05:103
2617599574,36cyclictest0-21swapper/309:21:313
2617599574,36cyclictest0-21swapper/309:21:313
26173995738,12cyclictest0-21swapper/110:40:281
26173995738,12cyclictest0-21swapper/110:40:281
26173995737,13cyclictest0-21swapper/109:48:301
2617399573,48cyclictest0-21swapper/108:31:491
26173995721,12cyclictest8622-21cpuspeed_turbos11:21:181
26171995717,34cyclictest0-21swapper/007:56:330
219499570,8rtkit-daemon0-21swapper/109:52:043
98332562,20sleep10-21swapper/106:56:471
2617599565,34cyclictest0-21swapper/309:19:033
2617599564,45cyclictest0-21swapper/310:22:203
26175995622,13cyclictest0-21swapper/311:01:333
26175995615,23cyclictest9189-21unixbench-2d08:56:453
26173995640,11cyclictest0-21swapper/110:23:251
144272563,46sleep10-21swapper/109:52:511
2617599554,46cyclictest0-21swapper/311:15:433
2617599554,45cyclictest0-21swapper/310:59:083
2617599554,36cyclictest0-21swapper/309:39:483
2617399555,41cyclictest0-21swapper/110:16:241
26173995537,12cyclictest0-21swapper/108:26:241
26173995531,10cyclictest0-21swapper/111:18:271
26173995531,10cyclictest0-21swapper/111:18:271
2617399553,46cyclictest0-21swapper/107:21:261
2617399553,45cyclictest0-21swapper/107:01:281
2617599545,30cyclictest0-21swapper/310:51:203
2617599544,44cyclictest0-21swapper/308:27:023
2617599543,42cyclictest15669-21cut09:56:213
26175995422,14cyclictest0-21swapper/306:36:303
26175995422,14cyclictest0-21swapper/306:36:303
26173995438,11cyclictest0-21swapper/109:21:271
26173995438,11cyclictest0-21swapper/109:21:271
26173995438,11cyclictest0-21swapper/109:10:481
2617399543,46cyclictest0-21swapper/110:03:501
2617399543,46cyclictest0-21swapper/110:03:501
2617399543,46cyclictest0-21swapper/109:16:351
2617399543,46cyclictest0-21swapper/108:59:181
26173995426,12cyclictest1135-21fschecks_count08:46:301
26173995426,12cyclictest1135-21fschecks_count08:46:301
219499540,4rtkit-daemon2193-21rtkit-daemon06:26:191
2617599535,42cyclictest0-21swapper/310:04:243
2617599535,42cyclictest0-21swapper/310:04:243
2617599535,28cyclictest0-21swapper/307:26:263
2617599534,28cyclictest0-21swapper/306:51:373
2617599533,12cyclictest0-21swapper/307:06:533
2617399534,27cyclictest6466-21df06:51:321
26173995338,10cyclictest0-21swapper/109:39:291
2617399533,45cyclictest0-21swapper/108:43:051
2617399533,45cyclictest0-21swapper/108:43:051
26173995325,13cyclictest0-21swapper/111:40:181
26173995321,28cyclictest0-21swapper/111:50:191
189322533,8sleep319101-21latency_hist08:26:133
2617599525,15cyclictest0-21swapper/309:26:203
2617599523,41cyclictest11837-21iostat_ios07:01:393
2617599523,30cyclictest0-21swapper/311:49:183
2617599523,28cyclictest0-21swapper/307:56:363
2617599523,20cyclictest3028-21ssh08:48:283
2617599523,20cyclictest3028-21ssh08:48:283
2617399524,40cyclictest0-21swapper/109:11:331
2617399523,44cyclictest0-21swapper/109:42:581
2617399523,43cyclictest0-21swapper/110:46:371
271172512,41sleep10-21swapper/107:33:551
2617599514,27cyclictest0-21swapper/311:26:503
26175995119,12cyclictest0-21swapper/311:51:263
2617399515,39cyclictest17248-21sed07:11:481
2617399514,41cyclictest0-21swapper/107:46:451
2617399514,40cyclictest0-21swapper/108:51:301
2617399514,40cyclictest0-21swapper/108:06:281
2617399513,43cyclictest0-21swapper/111:02:181
2617399513,42cyclictest0-21swapper/110:51:291
8102502,41sleep10-21swapper/106:40:421
8102502,41sleep10-21swapper/106:40:421
2617399505,27cyclictest0-21swapper/111:31:231
2617399504,40cyclictest0-21swapper/108:37:271
26173995034,11cyclictest0-21swapper/107:41:391
2617399503,42cyclictest0-21swapper/109:59:511
26173995020,13cyclictest0-21swapper/108:01:381
26173995020,13cyclictest0-21swapper/108:01:381
175242504,39sleep30-21swapper/307:13:333
138282502,10sleep30-21swapper/308:12:313
2617599494,29cyclictest0-21swapper/307:21:393
2617599494,28cyclictest0-21swapper/306:31:323
2617599494,25cyclictest0-21swapper/306:41:553
2617399495,37cyclictest0-21swapper/108:11:421
2617399494,38cyclictest0-21swapper/107:06:331
26173994932,10cyclictest17588-21gltestperf08:21:331
2617399493,40cyclictest0-21swapper/109:01:181
2617399493,40cyclictest0-21swapper/106:46:461
26173994928,14cyclictest0-21swapper/107:51:371
104802492,11sleep30-21swapper/307:00:033
283582482,10sleep30-21swapper/306:28:593
2617599484,13cyclictest0-21swapper/308:06:133
2617599484,13cyclictest0-21swapper/308:06:133
26175994831,11cyclictest31594-21unixbench-2d07:41:493
26175994816,13cyclictest0-21swapper/307:51:143
2617399485,37cyclictest0-21swapper/106:31:481
2617399484,27cyclictest0-21swapper/107:26:431
67682472,9sleep10-21swapper/107:58:501
2617599475,13cyclictest0-21swapper/307:31:333
2617399473,36cyclictest14713-21cpuspeed_turbos08:16:271
26171994726,15cyclictest26165-21cyclictest06:26:170
31212462,39sleep10-21swapper/106:42:321
26173994630,10cyclictest27837-21cpuspeed_turbos07:36:271
2617399404,30cyclictest0-21swapper/106:26:181
2617599384,15cyclictest0-21swapper/306:26:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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