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2026-09-21 - 01:09

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.
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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 Sun Sep 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21949991024,47cyclictest0-21swapper/310:48:553
361721000,7sleep041ktimersoftd/006:57:360
21948999833,8cyclictest29562-21sort07:42:402
2194999974,50cyclictest0-21swapper/305:46:513
21948999717,12cyclictest0-21swapper/209:07:322
21948999717,12cyclictest0-21swapper/209:07:322
2194999965,47cyclictest0-21swapper/308:58:083
2194899964,84cyclictest0-21swapper/209:52:352
2194999955,49cyclictest21239-21ntp_states09:07:413
2194999955,49cyclictest21239-21ntp_states09:07:413
2194999954,50cyclictest26291-21yum-updatesd-he10:05:073
2194999954,44cyclictest30416-21munin-node09:22:323
21949999514,35cyclictest0-21swapper/307:27:353
21948999326,12cyclictest0-21swapper/209:28:542
2194999917,47cyclictest0-21swapper/308:35:413
2194999915,45cyclictest0-21swapper/308:40:453
2194999914,48cyclictest3921-21df08:42:303
2194999904,44cyclictest0-21swapper/309:38:053
21948999017,12cyclictest0-21swapper/208:42:352
2194999894,47cyclictest0-21swapper/307:35:583
21948998932,8cyclictest7305-21ssh07:57:422
2194899893,34cyclictest0-21swapper/207:27:412
2194899893,25cyclictest0-21swapper/209:47:362
2194899893,25cyclictest0-21swapper/209:47:362
2194899893,24cyclictest0-21swapper/209:34:542
2194899887,23cyclictest0-21swapper/210:49:362
2194899885,23cyclictest0-21swapper/209:17:192
2194899884,33cyclictest16388-21tr08:12:322
2194899883,78cyclictest22539-21grep07:32:372
2194999874,48cyclictest0-21swapper/306:37:483
2194999873,44cyclictest0-21swapper/310:37:393
2194899875,33cyclictest0-21swapper/210:32:262
2194899874,34cyclictest0-21swapper/210:22:372
2194899874,25cyclictest0-21swapper/207:52:412
21948998731,7cyclictest690-21ssh10:16:112
2194899873,25cyclictest0-21swapper/210:27:382
2194899873,25cyclictest0-21swapper/210:27:382
21948998719,12cyclictest0-21swapper/208:25:162
2194899864,22cyclictest0-21swapper/209:46:502
2194899863,26cyclictest0-21swapper/210:04:292
2194999855,45cyclictest0-21swapper/307:56:073
2194899854,36cyclictest0-21swapper/207:47:532
2194899854,36cyclictest0-21swapper/207:47:532
2194899853,33cyclictest0-21swapper/210:17:322
2194899853,26cyclictest0-21swapper/210:42:452
21948998523,12cyclictest0-21swapper/208:42:062
21948998516,11cyclictest0-21swapper/207:02:452
267342840,9sleep02194299cyclictest09:17:270
2194999844,45cyclictest0-21swapper/310:19:583
2194899845,32cyclictest0-21swapper/210:07:282
2194899844,35cyclictest0-21swapper/208:34:412
2194899843,32cyclictest0-21swapper/208:22:162
2194899843,24cyclictest0-21swapper/205:37:482
2194899843,24cyclictest0-21swapper/205:37:482
21948998422,20cyclictest16901-21fschecks_time06:17:392
21948998422,20cyclictest16901-21fschecks_time06:17:392
2194899834,24cyclictest0-21swapper/210:00:272
2194899833,27cyclictest0-21swapper/208:27:282
2194899833,24cyclictest0-21swapper/209:37:322
2194899833,13cyclictest0-21swapper/209:17:072
2194899826,20cyclictest0-21swapper/210:42:012
2194899824,24cyclictest0-21swapper/207:12:342
21948998218,12cyclictest0-21swapper/207:39:432
2194899813,23cyclictest0-21swapper/208:57:272
21948998123,12cyclictest0-21swapper/205:47:392
2194899805,25cyclictest0-21swapper/208:05:152
2194899804,35cyclictest0-21swapper/205:57:342
219499800,33rtkit-daemon0-21swapper/205:27:373
21948997926,10cyclictest15741-21grep07:22:362
2194899784,34cyclictest0-21swapper/209:06:382
2194899784,32cyclictest0-21swapper/209:22:332
2194899784,32cyclictest0-21swapper/208:52:392
2194899784,32cyclictest0-21swapper/206:27:202
2194899784,31cyclictest0-21swapper/206:12:382
2194899783,25cyclictest0-21swapper/205:32:522
21948997824,12cyclictest0-21swapper/208:47:272
2194899774,26cyclictest0-21swapper/206:52:022
2194899753,24cyclictest0-21swapper/206:37:322
2194799705,56cyclictest0-21swapper/107:42:301
219499670,5rtkit-daemon24429-21sed05:27:220
2194799654,54cyclictest0-21swapper/108:47:401
21942996536,10cyclictest1124-21snmpd10:17:350
219499650,5rtkit-daemon2193-21rtkit-daemon08:25:163
2194999646,50cyclictest1227-21runrttasks07:48:463
2194999646,50cyclictest1227-21runrttasks07:48:463
21949996421,25cyclictest10725-21fschecks_count07:12:363
21942996437,9cyclictest23854-21rm09:12:310
219499640,7rtkit-daemon0-21swapper/105:22:452
219499640,6rtkit-daemon0-21swapper/108:23:230
2194999636,49cyclictest1227-21runrttasks08:18:103
2194999624,51cyclictest0-21swapper/309:15:333
21942996211,21cyclictest0-21swapper/008:59:330
81072614,12sleep10-21swapper/107:07:341
81072614,12sleep10-21swapper/107:07:341
2194999615,49cyclictest0-21swapper/310:27:383
2194999615,49cyclictest0-21swapper/310:27:383
2194999615,49cyclictest0-21swapper/308:47:393
2194999615,48cyclictest13766-21iostat_ios08:07:373
2194799615,49cyclictest15505-21wc10:37:311
21947996124,21cyclictest2267-21gltestperf10:17:301
21942996136,8cyclictest11585-21ssh09:42:320
2194999605,48cyclictest0-21swapper/309:42:403
2194999604,49cyclictest0-21swapper/305:47:563
2194799605,49cyclictest0-21swapper/107:32:411
2194799605,48cyclictest19108-21yum-updatesd-he09:05:171
2194799605,48cyclictest1227-21runrttasks10:27:291
2194799605,48cyclictest1227-21runrttasks10:27:291
2194999595,47cyclictest0-21swapper/309:47:293
2194999595,47cyclictest0-21swapper/309:47:293
2194999594,47cyclictest17515-21python08:12:483
2194799594,48cyclictest3833-21munin-run09:32:121
2194799594,47cyclictest0-21swapper/107:27:401
16672593,48sleep10-21swapper/106:52:471
266952583,47sleep10-21swapper/105:32:221
2194999585,46cyclictest27104-21diskstats09:17:313
2194999584,48cyclictest0-21swapper/309:52:313
2194999584,47cyclictest0-21swapper/310:00:123
2194999584,47cyclictest0-21swapper/308:27:353
2194999584,47cyclictest0-21swapper/308:03:053
2194799585,46cyclictest0-21swapper/108:57:171
2194799585,46cyclictest0-21swapper/107:57:201
21942995833,9cyclictest14685-21diskmemload07:27:480
21942995819,25cyclictest14952-21ssh08:09:140
219499580,8rtkit-daemon0-21swapper/005:22:381
219499580,6rtkit-daemon2193-21rtkit-daemon06:57:412
2194999575,45cyclictest0-21swapper/309:34:373
2194999575,45cyclictest0-21swapper/307:40:133
2194999574,46cyclictest0-21swapper/307:57:353
2194999574,46cyclictest0-21swapper/307:47:173
2194799575,45cyclictest0-21swapper/108:16:331
2194799574,47cyclictest0-21swapper/109:11:371
2194799574,47cyclictest0-21swapper/109:11:371
2194799574,47cyclictest0-21swapper/108:32:061
21942995734,9cyclictest7226-21kernelversion07:57:410
2194999564,46cyclictest0-21swapper/310:22:423
2194799567,43cyclictest0-21swapper/109:51:111
2194799567,43cyclictest0-21swapper/109:51:111
21942995631,10cyclictest1124-21snmpd08:22:160
21942995629,11cyclictest9504-21telnet08:02:270
219499560,5rtkit-daemon2193-21rtkit-daemon06:27:502
215692563,12sleep00-21swapper/009:57:350
293352552,47sleep00-21swapper/010:09:110
236502552,9sleep00-21swapper/007:33:080
2194999554,44cyclictest0-21swapper/310:07:433
2194999554,44cyclictest0-21swapper/309:02:443
21949995522,9cyclictest1227-21runrttasks10:13:253
2194799555,45cyclictest0-21swapper/107:39:311
2194799555,29cyclictest0-21swapper/109:57:451
2194799554,45cyclictest0-21swapper/108:37:481
2194799554,44cyclictest0-21swapper/107:22:591
21947995522,13cyclictest1227-21runrttasks07:47:321
21947995522,13cyclictest1227-21runrttasks07:47:321
21942995531,9cyclictest6831-21ssh10:23:510
2194299553,46cyclictest0-21swapper/010:37:440
2194299553,46cyclictest0-21swapper/008:52:280
21942995525,14cyclictest0-21swapper/010:33:570
219499550,7rtkit-daemon0-21swapper/008:23:161
56612542,10sleep00-21swapper/008:43:580
302372542,10sleep00-21swapper/008:32:380
21949995417,31cyclictest31793-21proc_pri06:47:473
21949995416,31cyclictest14600-21gltestperf06:12:403
2194799545,44cyclictest0-21swapper/108:10:331
21947995426,12cyclictest0-21swapper/109:17:221
2194299547,31cyclictest0-21swapper/007:53:460
21942995439,9cyclictest18680-21ssh09:03:300
21942995439,10cyclictest24517-21grep06:32:440
123252543,45sleep10-21swapper/108:54:231
109812543,11sleep00-21swapper/006:05:300
50902533,7sleep05139-21idleruntime05:52:410
222922533,10sleep10-21swapper/108:22:071
21948995330,9cyclictest12741-21telnet08:07:262
2194799535,42cyclictest0-21swapper/109:37:341
2194799534,44cyclictest0-21swapper/110:06:061
2194799534,11cyclictest27993-21gltestperf10:07:311
21947995339,9cyclictest26535-21head06:37:391
2194799533,45cyclictest0-21swapper/109:14:201
21947995325,22cyclictest19138-21netstat10:42:371
21947995323,11cyclictest0-21swapper/108:33:101
21942995332,8cyclictest18538-21munin-node06:22:570
21942995331,9cyclictest29802-21munin-node09:22:310
2194299533,27cyclictest0-21swapper/006:47:350
21942995326,12cyclictest0-21swapper/006:42:380
21942995322,12cyclictest0-21swapper/007:22:200
84512523,42sleep10-21swapper/105:58:421
326242523,40sleep20-21swapper/205:42:432
311952523,10sleep10-21swapper/105:38:511
311952523,10sleep10-21swapper/105:38:511
241452523,10sleep30-21swapper/305:25:153
2194999525,41cyclictest0-21swapper/310:47:103
21947995210,19cyclictest0-21swapper/107:52:281
2194299524,42cyclictest0-21swapper/007:48:580
2194299524,42cyclictest0-21swapper/007:48:580
2194299524,24cyclictest0-21swapper/010:46:560
21942995230,8cyclictest25970-21ssh10:03:520
2194299523,44cyclictest0-21swapper/010:30:020
2194299523,44cyclictest0-21swapper/010:30:020
2194299523,12cyclictest0-21swapper/009:32:330
21942995224,12cyclictest0-21swapper/008:50:060
21942995224,12cyclictest0-21swapper/008:29:250
21942995215,25cyclictest0-21swapper/007:40:560
219499520,5rtkit-daemon2193-21rtkit-daemon06:52:492
219499520,5rtkit-daemon2193-21rtkit-daemon06:42:352
219499520,5rtkit-daemon2193-21rtkit-daemon06:32:422
169452523,42sleep10-21swapper/106:17:411
169452523,42sleep10-21swapper/106:17:411
100432522,9sleep00-21swapper/009:40:500
32752513,9sleep30-21swapper/309:30:093
301682513,9sleep10-21swapper/106:46:341
2194999515,27cyclictest0-21swapper/306:57:313
21949995122,8cyclictest11339-21cat06:07:213
2194799515,27cyclictest0-21swapper/110:22:141
2194799515,26cyclictest0-21swapper/110:51:001
2194799515,26cyclictest0-21swapper/110:12:511
2194799514,9cyclictest31598-21memory06:47:431
21947995136,10cyclictest12238-21tail06:07:411
21947995123,11cyclictest0-21swapper/106:57:311
2194299514,42cyclictest0-21swapper/010:48:240
21942995131,8cyclictest20950-21telnet06:27:320
21942995125,12cyclictest0-21swapper/008:37:190
21942995122,13cyclictest0-21swapper/010:16:560
21942995122,13cyclictest0-21swapper/009:30:340
219499510,5rtkit-daemon2193-21rtkit-daemon07:22:182
140012513,7sleep114004-21ssh10:36:091
323652503,9sleep10-21swapper/109:25:311
2194999505,29cyclictest0-21swapper/305:32:333
2194999504,42cyclictest0-21swapper/310:36:093
2194799506,27cyclictest0-21swapper/108:42:331
2194799505,27cyclictest0-21swapper/109:32:581
2194799505,27cyclictest0-21swapper/108:02:371
2194799504,28cyclictest0-21swapper/107:17:061
21947995021,12cyclictest0-21swapper/105:56:521
21947995021,11cyclictest0-21swapper/109:55:051
21947995020,9cyclictest11266-21diskstats09:42:291
2194299504,10cyclictest1227-21runrttasks05:22:220
2194299503,42cyclictest0-21swapper/008:12:510
2194299503,29cyclictest0-21swapper/006:12:200
21942995024,12cyclictest0-21swapper/007:44:370
21942995020,13cyclictest0-21swapper/009:52:360
21942995018,27cyclictest20142-21cpuspeed09:07:270
21942995018,27cyclictest20142-21cpuspeed09:07:270
277262492,41sleep00-21swapper/006:40:490
26562493,40sleep00-21swapper/006:56:330
2194999495,27cyclictest0-21swapper/307:07:483
2194999495,27cyclictest0-21swapper/307:07:483
2194999495,13cyclictest0-21swapper/306:42:343
21949994922,11cyclictest0-21swapper/308:52:293
21949994922,11cyclictest0-21swapper/306:01:543
2194799495,27cyclictest0-21swapper/105:42:441
2194799495,26cyclictest0-21swapper/105:32:401
2194299494,28cyclictest0-21swapper/005:27:450
21942994934,10cyclictest2344-21df05:47:380
21942994930,7cyclictest14113-21kworker/0:109:51:530
21942994930,7cyclictest14113-21kworker/0:109:51:530
2194299493,27cyclictest0-21swapper/007:02:470
21942994920,13cyclictest0-21swapper/005:57:440
215942494,38sleep10-21swapper/105:18:171
290132483,38sleep00-21swapper/005:36:330
2194999484,28cyclictest0-21swapper/306:31:593
2194999484,27cyclictest0-21swapper/307:25:183
21949994820,13cyclictest0-21swapper/305:56:523
2194799486,25cyclictest0-21swapper/106:31:591
2194799484,25cyclictest0-21swapper/107:22:181
21947994831,9cyclictest9859-21cut06:02:401
21942994834,9cyclictest14622-21gltestperf06:12:400
205062483,39sleep10-21swapper/106:25:021
253502473,10sleep10-21swapper/106:35:541
2194999474,27cyclictest0-21swapper/305:41:073
2194999474,27cyclictest0-21swapper/305:41:073
2194999474,26cyclictest0-21swapper/307:05:153
2194999473,12cyclictest0-21swapper/306:07:223
21949994728,13cyclictest0-21swapper/306:17:453
21949994728,13cyclictest0-21swapper/306:17:453
2194799475,25cyclictest0-21swapper/105:51:521
2194799473,25cyclictest0-21swapper/107:02:371
157252473,38sleep10-21swapper/106:14:541
143612472,9sleep00-21swapper/007:18:130
97692462,9sleep00-21swapper/007:10:470
97692462,9sleep00-21swapper/007:10:470
251982462,37sleep30-21swapper/306:33:553
2194299463,27cyclictest0-21swapper/005:42:390
2194299463,26cyclictest0-21swapper/007:12:350
2194299463,13cyclictest0-21swapper/005:41:290
2194299463,13cyclictest0-21swapper/005:41:290
182672462,38sleep00-21swapper/006:21:590
182672462,38sleep00-21swapper/006:21:590
2194999454,25cyclictest0-21swapper/306:27:213
2194999454,12cyclictest0-21swapper/307:22:183
2194899453,36cyclictest0-21swapper/205:27:402
21949994329,9cyclictest1227-21runrttasks06:56:473
2194899423,32cyclictest0-21swapper/207:07:522
2194899423,32cyclictest0-21swapper/207:07:522
2194899423,24cyclictest0-21swapper/205:52:382
21948994215,11cyclictest0-21swapper/206:07:202
2194999404,30cyclictest0-21swapper/305:22:233
2194899402,11cyclictest0-21swapper/206:07:322
2194899344,24cyclictest0-21swapper/205:22:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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