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2026-08-04 - 21:23

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 Tue Aug 04, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2021499973,76cyclictest0-21swapper/208:26:482
20215999520,13cyclictest0-21swapper/311:03:233
2021599948,24cyclictest0-21swapper/309:26:263
2021599924,23cyclictest0-21swapper/310:06:453
20215999127,11cyclictest2220-21udisks-daemon09:45:123
20215999125,13cyclictest0-21swapper/310:46:523
20215999119,21cyclictest1197-21nfs_client06:31:593
20215999119,21cyclictest1197-21nfs_client06:31:593
2021599904,26cyclictest0-21swapper/306:21:443
2021499903,70cyclictest0-21swapper/208:42:212
2021599894,30cyclictest0-21swapper/309:36:523
2021499894,66cyclictest0-21swapper/211:16:342
2021499884,77cyclictest0-21swapper/208:56:452
2021499884,64cyclictest0-21swapper/208:47:332
2021499883,78cyclictest0-21swapper/209:02:322
2021499883,77cyclictest0-21swapper/210:00:012
2021499883,77cyclictest0-21swapper/210:00:012
2021499883,67cyclictest0-21swapper/210:11:392
2021499883,67cyclictest0-21swapper/208:22:162
2021599875,15cyclictest0-21swapper/309:48:403
2021499874,77cyclictest0-21swapper/208:55:522
2021499874,66cyclictest0-21swapper/210:45:132
2021499874,54cyclictest0-21swapper/211:01:412
2021499873,76cyclictest0-21swapper/209:21:292
2021499873,65cyclictest0-21swapper/209:39:432
219499860,6rtkit-daemon0-21swapper/010:18:540
2021499867,62cyclictest0-21swapper/207:46:422
2021499865,73cyclictest16431-21sh10:36:462
2021499865,73cyclictest16431-21sh10:36:462
2021499864,75cyclictest0-21swapper/208:35:492
2021499864,65cyclictest0-21swapper/210:18:542
2021499863,76cyclictest0-21swapper/208:14:202
2021499863,64cyclictest0-21swapper/209:41:482
2021499854,57cyclictest0-21swapper/208:20:382
2021499853,75cyclictest1124-21snmpd09:15:282
2021499853,75cyclictest0-21swapper/210:26:492
2021499853,62cyclictest0-21swapper/207:36:292
2021499845,71cyclictest0-21swapper/211:15:042
2021499845,71cyclictest0-21swapper/211:15:042
2021499844,63cyclictest0-21swapper/210:31:372
2021499843,65cyclictest0-21swapper/209:30:302
2021499843,61cyclictest1080-21lldpd10:54:012
2021499843,60cyclictest0-21swapper/211:31:292
2021499837,60cyclictest0-21swapper/209:16:472
2021499837,60cyclictest0-21swapper/209:16:472
2021499834,71cyclictest0-21swapper/210:56:442
2021499825,58cyclictest0-21swapper/208:38:162
2021499825,58cyclictest0-21swapper/208:38:162
2021499824,59cyclictest0-21swapper/210:46:352
2021499824,58cyclictest0-21swapper/209:35:302
2021499823,72cyclictest0-21swapper/210:23:132
2021499823,72cyclictest0-21swapper/210:06:362
2021499823,72cyclictest0-21swapper/210:04:542
219499810,4rtkit-daemon2193-21rtkit-daemon08:26:210
2021499814,69cyclictest0-21swapper/206:41:512
2021499813,69cyclictest0-21swapper/209:06:392
2021499813,61cyclictest3194-21cpuspeed_turbos11:06:352
2021499804,69cyclictest0-21swapper/211:21:542
2021499804,69cyclictest0-21swapper/209:56:192
2021499804,69cyclictest0-21swapper/207:16:472
2021499804,69cyclictest0-21swapper/207:16:472
2021499804,58cyclictest0-21swapper/208:06:532
2021499803,69cyclictest17028-21ssh11:26:452
2021499794,68cyclictest0-21swapper/207:56:482
2021499794,67cyclictest0-21swapper/207:46:292
2021499794,67cyclictest0-21swapper/206:26:442
2021499793,69cyclictest0-21swapper/209:46:452
2021499793,69cyclictest0-21swapper/206:56:592
2021499784,57cyclictest0-21swapper/206:36:492
2021499782,59cyclictest0-21swapper/207:06:442
219499770,5rtkit-daemon2193-21rtkit-daemon08:30:283
2021499774,66cyclictest0-21swapper/207:56:292
2021499774,66cyclictest0-21swapper/206:17:002
2021499774,60cyclictest32424-21taskset06:31:442
2021499774,60cyclictest32424-21taskset06:31:442
2021499774,56cyclictest0-21swapper/206:16:322
20214997724,30cyclictest0-21swapper/208:06:292
2021499764,66cyclictest0-21swapper/207:40:122
2021499754,65cyclictest0-21swapper/207:11:472
2021499744,53cyclictest0-21swapper/207:05:072
2021499744,45cyclictest0-21swapper/207:22:002
2021499742,65cyclictest0-21swapper/206:51:532
219499730,5rtkit-daemon2193-21rtkit-daemon10:21:093
2021499714,53cyclictest0-21swapper/207:26:502
2021499714,49cyclictest0-21swapper/206:46:502
2021499713,60cyclictest20198-21munin-run06:06:332
20214997033,31cyclictest20593-21cpu06:06:462
2021499703,50cyclictest27588-21munin-node06:21:502
20210997035,12cyclictest0-21swapper/007:41:290
248732680,7sleep124876-21cat08:22:021
219499670,6rtkit-daemon2193-21rtkit-daemon10:03:023
219499670,6rtkit-daemon0-21swapper/010:12:160
219499670,6rtkit-daemon0-21swapper/008:34:050
219499670,5rtkit-daemon0-21swapper/010:22:230
219499660,7rtkit-daemon0-21swapper/009:57:170
219499660,7rtkit-daemon0-21swapper/009:57:170
219499660,6rtkit-daemon0-21swapper/011:12:290
219499660,6rtkit-daemon0-21swapper/011:12:290
219499660,5rtkit-daemon2193-21rtkit-daemon11:35:583
219499650,7rtkit-daemon0-21swapper/006:25:550
219499650,6rtkit-daemon2193-21rtkit-daemon08:43:203
219499650,6rtkit-daemon0-21swapper/010:30:530
219499650,6rtkit-daemon0-21swapper/010:03:240
219499650,6rtkit-daemon0-21swapper/009:00:420
219499650,6rtkit-daemon0-21swapper/008:44:120
2021099653,13cyclictest0-21swapper/009:46:510
219499640,6rtkit-daemon0-21swapper/010:52:150
219499640,6rtkit-daemon0-21swapper/009:09:110
219499640,6rtkit-daemon0-21swapper/007:32:230
219499640,6rtkit-daemon0-21swapper/007:08:010
2021299644,52cyclictest0-21swapper/109:01:571
20210996424,34cyclictest13703-21if_eth011:21:430
219499630,5rtkit-daemon29722-21latency_hist08:31:280
20210996326,18cyclictest0-21swapper/009:45:330
219499620,7rtkit-daemon0-21swapper/308:46:353
219499620,4rtkit-daemon2193-21rtkit-daemon11:24:213
219499620,4rtkit-daemon2193-21rtkit-daemon10:11:543
219499620,4rtkit-daemon2193-21rtkit-daemon09:08:563
219499620,4rtkit-daemon2193-21rtkit-daemon08:08:593
2021299625,50cyclictest0-21swapper/109:30:301
2021299625,50cyclictest0-21swapper/108:31:271
2021299624,51cyclictest0-21swapper/111:11:361
2021299624,51cyclictest0-21swapper/111:11:361
2021299614,49cyclictest0-21swapper/111:21:361
296872603,12sleep00-21swapper/010:56:460
219499600,9rtkit-daemon0-21swapper/307:32:083
219499600,7rtkit-daemon0-21swapper/310:25:313
219499600,6rtkit-daemon0-21swapper/310:30:383
219499600,4rtkit-daemon2193-21rtkit-daemon08:22:583
2021299605,48cyclictest0-21swapper/110:36:441
2021299605,48cyclictest0-21swapper/110:36:441
2021299604,49cyclictest0-21swapper/108:45:161
2021299604,49cyclictest0-21swapper/107:57:061
2021299604,48cyclictest16741-21yum-updatesd-he09:47:321
2021299604,48cyclictest0-21swapper/106:17:041
2021299604,47cyclictest0-21swapper/108:31:321
2021099603,12cyclictest0-21swapper/009:16:500
2021099603,12cyclictest0-21swapper/009:16:500
118192603,50sleep30-21swapper/311:19:033
219499590,6rtkit-daemon0-21swapper/308:16:063
219499590,6rtkit-daemon0-21swapper/307:07:463
2021299595,47cyclictest0-21swapper/110:03:111
2021299595,46cyclictest3033-21fw_packets10:16:451
2021299594,49cyclictest0-21swapper/110:09:391
2021299594,48cyclictest0-21swapper/109:32:181
2021299594,48cyclictest0-21swapper/109:09:081
20210995930,14cyclictest0-21swapper/011:06:390
2021099593,49cyclictest0-21swapper/011:35:270
20210995928,13cyclictest0-21swapper/011:16:540
219499580,3rtkit-daemon0-21swapper/309:54:403
219499580,2rtkit-daemon0-21swapper/309:57:023
219499580,2rtkit-daemon0-21swapper/309:57:023
20215995839,12cyclictest0-21swapper/309:16:473
20215995839,12cyclictest0-21swapper/309:16:473
2021299585,45cyclictest13790-21diskstats08:06:471
2021299584,48cyclictest0-21swapper/110:13:231
2021299584,48cyclictest0-21swapper/109:11:581
2021299584,47cyclictest18977-21ssh09:51:451
2021299584,47cyclictest0-21swapper/111:07:041
2021299584,47cyclictest0-21swapper/110:49:151
2021299584,47cyclictest0-21swapper/110:43:071
2021299584,46cyclictest9224-21expr10:26:371
2021299584,46cyclictest8343-21munin-node08:46:461
2021099583,12cyclictest0-21swapper/007:51:430
219499570,4rtkit-daemon2193-21rtkit-daemon08:52:343
2021299574,46cyclictest2385-21ssh11:05:441
2021299574,46cyclictest0-21swapper/109:40:261
2021299574,45cyclictest30029-21python10:56:531
2021299574,45cyclictest17638-21grep11:26:551
2021099574,13cyclictest0-21swapper/010:41:220
2021099574,13cyclictest0-21swapper/010:41:220
2021099574,12cyclictest0-21swapper/010:06:390
20210995731,12cyclictest0-21swapper/006:11:560
2021099573,13cyclictest0-21swapper/010:46:360
20210995729,13cyclictest0-21swapper/008:01:520
20210995728,13cyclictest0-21swapper/008:12:030
15222574,12sleep00-21swapper/007:41:430
219499560,4rtkit-daemon9538-21yum-updatesd-he08:47:420
2021299564,47cyclictest0-21swapper/110:01:211
2021299564,47cyclictest0-21swapper/110:01:211
2021299564,47cyclictest0-21swapper/108:58:481
2021299564,47cyclictest0-21swapper/108:36:441
2021299564,47cyclictest0-21swapper/108:36:441
2021299564,46cyclictest0-21swapper/110:51:481
2021299564,46cyclictest0-21swapper/109:42:381
2021299564,46cyclictest0-21swapper/107:15:091
2021299564,45cyclictest0-21swapper/108:51:421
2021099564,22cyclictest0-21swapper/006:46:480
2021099564,12cyclictest0-21swapper/009:11:500
187002562,47sleep00-21swapper/011:30:170
20215995526,13cyclictest0-21swapper/311:11:523
20215995526,13cyclictest0-21swapper/311:11:523
20215995523,13cyclictest0-21swapper/309:16:253
2021299553,46cyclictest22666-21kworker/1:108:17:011
2021099554,12cyclictest0-21swapper/009:31:420
92342543,10sleep10-21swapper/106:49:331
6702542,10sleep30-21swapper/307:39:413
23672543,45sleep31464-21munin-node09:26:433
20215995435,13cyclictest0-21swapper/311:01:103
20215995433,14cyclictest0-21swapper/308:35:013
20215995430,8cyclictest12977-21latency_hist08:06:293
20215995412,12cyclictest0-21swapper/307:26:313
20215995410,26cyclictest12147-21telnet10:31:353
2021299544,45cyclictest0-21swapper/110:33:491
2021299544,44cyclictest18085-21cat08:12:021
2021299544,43cyclictest12064-21rm11:20:001
20212995436,11cyclictest21636-21needreboot06:06:581
2021299543,35cyclictest28773-21ssh09:16:551
2021299543,35cyclictest28773-21ssh09:16:551
2021099544,12cyclictest0-21swapper/009:26:270
2021099543,12cyclictest0-21swapper/008:16:390
2021099543,11cyclictest19323-21runrttasks09:02:050
20210995427,12cyclictest0-21swapper/009:40:310
17002542,45sleep00-21swapper/011:03:320
208572532,45sleep320861-21ssh10:43:113
2021599535,15cyclictest0-21swapper/309:03:513
20215995324,13cyclictest0-21swapper/306:51:433
2021299537,40cyclictest0-21swapper/106:37:001
2021099535,11cyclictest0-21swapper/009:22:340
20210995327,12cyclictest0-21swapper/008:55:030
74892523,10sleep10-21swapper/110:22:251
282432523,43sleep328245-21sshd10:56:213
215692523,10sleep10-21swapper/111:33:361
20215995231,14cyclictest0-21swapper/309:31:533
20215995223,13cyclictest0-21swapper/308:38:223
20215995223,13cyclictest0-21swapper/308:38:223
20215995222,12cyclictest0-21swapper/307:26:543
20215995221,13cyclictest0-21swapper/306:16:553
2021099529,37cyclictest0-21swapper/006:31:460
2021099529,37cyclictest0-21swapper/006:31:460
2021099524,10cyclictest0-21swapper/008:08:250
20210995226,12cyclictest0-21swapper/008:40:440
20210995226,12cyclictest0-21swapper/008:40:440
20210995223,13cyclictest0-21swapper/006:26:530
20210995222,26cyclictest0-21swapper/009:56:230
114892522,10sleep00-21swapper/006:52:500
91862512,9sleep30-21swapper/306:48:543
68692513,42sleep10-21swapper/106:44:531
31262513,42sleep10-21swapper/107:43:221
236592513,42sleep00-21swapper/007:20:350
236592513,42sleep00-21swapper/007:20:350
2021599515,29cyclictest0-21swapper/307:01:483
2021599515,28cyclictest0-21swapper/307:47:063
2021599515,27cyclictest19754-21taskset07:11:473
2021599515,27cyclictest0-21swapper/308:18:303
2021599514,29cyclictest0-21swapper/311:06:493
2021599514,29cyclictest0-21swapper/306:27:023
20215995127,9cyclictest15459-21ntp_states08:56:563
20215995126,9cyclictest22941-21head06:11:463
20215995122,12cyclictest0-21swapper/310:39:313
20215995122,12cyclictest0-21swapper/310:39:313
20215995120,12cyclictest0-21swapper/311:26:343
2021299515,29cyclictest0-21swapper/107:50:141
2021299515,26cyclictest0-21swapper/109:23:531
2021299514,27cyclictest0-21swapper/107:17:041
2021299514,27cyclictest0-21swapper/107:17:041
20212995124,9cyclictest14786-21cpuspeed_turbos07:01:441
2021099514,11cyclictest0-21swapper/010:41:470
139562512,42sleep00-21swapper/006:58:390
295802503,9sleep10-21swapper/106:24:331
204272502,41sleep30-21swapper/306:06:423
2021599504,28cyclictest0-21swapper/307:41:463
2021599504,28cyclictest0-21swapper/306:42:053
2021599503,22cyclictest0-21swapper/307:51:413
20215995019,13cyclictest0-21swapper/306:36:463
2021299505,27cyclictest0-21swapper/106:35:021
2021299505,27cyclictest0-21swapper/106:35:021
20210995020,11cyclictest26120-21latency_hist07:26:300
188612503,42sleep10-21swapper/107:10:251
80912493,40sleep10-21swapper/107:55:431
282522492,9sleep00-21swapper/007:28:170
2021599495,26cyclictest0-21swapper/307:20:103
2021599495,26cyclictest0-21swapper/307:20:103
2021299494,27cyclictest0-21swapper/107:36:301
20212994920,11cyclictest0-21swapper/106:26:531
20210994922,13cyclictest0-21swapper/010:31:310
200042494,38sleep00-21swapper/006:04:220
44292482,40sleep00-21swapper/006:39:160
270952482,39sleep00-21swapper/006:18:160
258322483,10sleep10-21swapper/107:22:501
203212482,40sleep00-21swapper/007:11:570
2021299484,28cyclictest0-21swapper/108:02:031
2021299483,8cyclictest11542-21sshd06:53:321
20210994819,13cyclictest0-21swapper/007:56:510
2021599474,27cyclictest0-21swapper/306:06:333
2021299473,8cyclictest23243-21munin-node06:11:481
2021099474,37cyclictest0-21swapper/007:01:590
141242473,10sleep10-21swapper/107:00:491
103812472,9sleep30-21swapper/307:59:163
20215994620,9cyclictest13188-21sed06:56:563
2021299463,24cyclictest32533-21rt-features07:36:591
2021099463,26cyclictest0-21swapper/007:46:460
2021099463,25cyclictest22106-21unixbench-2d06:07:050
20210994518,13cyclictest0-21swapper/006:41:460
2021299444,33cyclictest0-21swapper/106:06:341
2021299425,16cyclictest0-21swapper/107:26:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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