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2025-12-10 - 23:37

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 Wed Dec 10, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7044999938,10cyclictest16710-21needreboot10:22:120
7052999316,57cyclictest0-21swapper/308:37:023
705299924,12cyclictest0-21swapper/311:17:133
705299924,12cyclictest0-21swapper/307:51:523
705299915,60cyclictest0-21swapper/308:42:153
705299915,60cyclictest0-21swapper/308:42:153
7052999115,53cyclictest0-21swapper/311:41:553
705299904,65cyclictest0-21swapper/307:55:343
705299904,63cyclictest0-21swapper/312:07:133
705299904,11cyclictest25774-21runrttasks11:48:583
705299893,61cyclictest0-21swapper/311:41:283
705299884,13cyclictest0-21swapper/309:22:003
705299884,12cyclictest0-21swapper/308:32:033
7052998812,66cyclictest0-21swapper/310:32:083
705299879,13cyclictest0-21swapper/310:41:553
705299875,59cyclictest0-21swapper/309:01:013
705299865,13cyclictest0-21swapper/310:37:083
705299864,59cyclictest29714-21iostat_ios09:42:113
705299864,59cyclictest0-21swapper/309:04:333
705299864,13cyclictest0-21swapper/312:02:563
705299864,10cyclictest826-21yum-updatesd-he07:37:043
7052998518,46cyclictest0-21swapper/309:41:073
705299846,12cyclictest26057-21yum-updatesd-he09:36:493
705299845,56cyclictest0-21swapper/308:05:513
705299845,56cyclictest0-21swapper/308:05:513
705299844,62cyclictest0-21swapper/307:12:223
705299844,57cyclictest0-21swapper/311:01:563
705299844,13cyclictest0-21swapper/310:02:193
705299844,12cyclictest0-21swapper/311:57:073
243799840,5rtkit-daemon2436-21rtkit-daemon10:31:061
243799840,5rtkit-daemon2436-21rtkit-daemon08:36:551
705299836,57cyclictest0-21swapper/308:25:563
705299835,55cyclictest0-21swapper/306:52:293
705299835,14cyclictest0-21swapper/307:26:533
705299834,14cyclictest0-21swapper/309:17:083
705299834,13cyclictest0-21swapper/309:52:203
705299834,13cyclictest0-21swapper/306:51:553
705299834,12cyclictest0-21swapper/311:56:423
705299834,12cyclictest0-21swapper/311:27:133
705299834,12cyclictest0-21swapper/307:01:543
705299825,61cyclictest0-21swapper/310:21:593
705299825,12cyclictest0-21swapper/309:12:223
705299824,70cyclictest0-21swapper/308:31:503
705299824,56cyclictest0-21swapper/307:07:073
705299824,13cyclictest0-21swapper/307:17:213
705299824,13cyclictest0-21swapper/307:17:213
7052998218,43cyclictest20043-21awk10:31:453
7052998212,61cyclictest0-21swapper/308:16:523
705299814,55cyclictest0-21swapper/309:31:063
705299814,55cyclictest0-21swapper/309:31:063
705299814,55cyclictest0-21swapper/306:42:073
705299814,11cyclictest0-21swapper/311:22:163
705299813,10cyclictest2568-21aten2.4-expect08:47:043
705299805,66cyclictest0-21swapper/309:11:003
705299804,14cyclictest0-21swapper/310:51:443
705299804,14cyclictest0-21swapper/310:51:443
243799800,5rtkit-daemon2436-21rtkit-daemon10:03:371
705299795,15cyclictest0-21swapper/309:47:203
705299794,60cyclictest0-21swapper/307:32:053
705299794,58cyclictest0-21swapper/308:54:293
705299794,12cyclictest0-21swapper/311:06:583
705299794,12cyclictest0-21swapper/307:57:163
705299784,12cyclictest29939-21sshd10:51:573
705299783,17cyclictest20502-21aten_r1power_vo08:17:063
7052997819,52cyclictest11051-21cpuspeed_turbos10:12:023
705299764,55cyclictest0-21swapper/307:02:093
705299764,53cyclictest0-21swapper/310:07:173
705299764,13cyclictest0-21swapper/311:31:573
705299764,13cyclictest0-21swapper/307:42:223
705299763,10cyclictest8313-21needreboot11:12:083
7052997619,40cyclictest0-21swapper/308:07:163
243799760,5rtkit-daemon2436-21rtkit-daemon11:36:561
7052997522,47cyclictest1276-21switchtime10:57:163
7052997519,49cyclictest4402-21gltestperf09:57:063
7052997519,49cyclictest114550irq/46-eth007:27:263
243799740,5rtkit-daemon2436-21rtkit-daemon07:22:131
7052997313,8cyclictest13116-21sshd10:16:573
243799720,4rtkit-daemon2436-21rtkit-daemon06:42:151
243799690,4rtkit-daemon2436-21rtkit-daemon10:36:581
243799690,4rtkit-daemon2436-21rtkit-daemon06:57:071
243799680,4rtkit-daemon2436-21rtkit-daemon07:07:291
705299674,13cyclictest0-21swapper/306:41:553
243799670,4rtkit-daemon2436-21rtkit-daemon11:27:111
243799670,4rtkit-daemon2436-21rtkit-daemon11:18:571
243799670,4rtkit-daemon2436-21rtkit-daemon10:47:131
243799670,4rtkit-daemon2436-21rtkit-daemon10:47:131
243799670,4rtkit-daemon2436-21rtkit-daemon09:42:081
243799640,5rtkit-daemon2436-21rtkit-daemon11:21:560
704999634,44cyclictest0-21swapper/109:17:051
243799630,14rtkit-daemon2436-21rtkit-daemon11:01:570
243799630,10rtkit-daemon2436-21rtkit-daemon08:27:480
243799620,5rtkit-daemon2436-21rtkit-daemon06:44:150
243799610,4rtkit-daemon2436-21rtkit-daemon07:10:510
705199594,13cyclictest0-21swapper/211:07:062
243799590,6rtkit-daemon2436-21rtkit-daemon09:27:010
243799590,6rtkit-daemon2436-21rtkit-daemon09:27:010
243799590,14rtkit-daemon2436-21rtkit-daemon11:22:191
705199584,13cyclictest0-21swapper/206:52:252
704499584,47cyclictest0-21swapper/010:41:450
7051995715,24cyclictest27164-21grep07:22:142
319562566,8sleep00-21swapper/009:47:110
243799560,5rtkit-daemon2436-21rtkit-daemon10:36:430
705199554,26cyclictest0-21swapper/212:03:592
243799550,5rtkit-daemon2436-21rtkit-daemon11:11:570
243799550,5rtkit-daemon2436-21rtkit-daemon10:44:130
243799550,5rtkit-daemon2436-21rtkit-daemon07:17:140
243799550,5rtkit-daemon2436-21rtkit-daemon07:17:140
185172559,39sleep00-21swapper/008:12:100
704499544,43cyclictest0-21swapper/008:52:060
310962543,41sleep20-21swapper/208:37:152
145622544,11sleep20-21swapper/210:17:192
705199534,30cyclictest0-21swapper/209:27:062
705199534,30cyclictest0-21swapper/209:27:062
7051995320,21cyclictest0-21swapper/208:54:042
704999538,21cyclictest0-21swapper/108:12:061
7049995324,12cyclictest0-21swapper/109:59:551
704499536,35cyclictest0-21swapper/008:36:530
704499533,32cyclictest28791-21sh08:32:190
169242533,43sleep117071-21cstates11:31:591
705199524,41cyclictest7423-21aten2.4-expect06:42:082
705199524,30cyclictest0-21swapper/210:36:562
705199524,29cyclictest0-21swapper/211:52:132
7051995236,10cyclictest8933-21unixbench_singl08:57:212
7051995222,13cyclictest0-21swapper/207:36:542
704999525,29cyclictest0-21swapper/109:37:171
704999525,28cyclictest0-21swapper/107:12:261
704999524,29cyclictest0-21swapper/108:22:221
7049995232,11cyclictest599-21fschecks_time08:42:081
7049995232,11cyclictest599-21fschecks_time08:42:081
704999523,21cyclictest21662-21open_inodes08:17:211
7049995217,28cyclictest23834-21nscd10:56:441
704499524,29cyclictest0-21swapper/009:57:030
45262523,10sleep20-21swapper/208:51:262
305232523,10sleep20-21swapper/209:42:452
262952524,41sleep20-21swapper/209:36:532
705199514,30cyclictest0-21swapper/209:02:062
705199514,29cyclictest0-21swapper/212:06:592
705199514,29cyclictest0-21swapper/210:57:072
705199514,29cyclictest0-21swapper/209:22:232
705199514,29cyclictest0-21swapper/209:12:102
705199514,29cyclictest0-21swapper/207:07:172
705199514,28cyclictest0-21swapper/211:32:072
705199514,28cyclictest0-21swapper/210:27:072
705199514,28cyclictest0-21swapper/207:17:192
705199514,28cyclictest0-21swapper/207:17:192
705199514,27cyclictest0-21swapper/209:57:062
7051995134,11cyclictest18530-21unixbench_multi07:02:292
705199513,29cyclictest0-21swapper/208:22:062
7051995120,25cyclictest0-21swapper/210:42:002
7051995120,13cyclictest0-21swapper/207:57:062
7051995120,13cyclictest0-21swapper/207:52:062
7051995119,14cyclictest0-21swapper/208:02:152
7051995119,14cyclictest0-21swapper/208:02:152
704999514,29cyclictest0-21swapper/112:02:141
704999514,29cyclictest0-21swapper/111:02:081
704999514,29cyclictest0-21swapper/109:22:051
7049995120,13cyclictest0-21swapper/107:37:091
7049995119,13cyclictest0-21swapper/111:42:111
704499514,28cyclictest0-21swapper/008:21:510
7044995134,10cyclictest18568-21unixbench_singl07:02:300
7044995119,12cyclictest0-21swapper/007:15:430
258532513,42sleep10-21swapper/109:34:061
243799510,5rtkit-daemon2436-21rtkit-daemon11:32:260
243799510,5rtkit-daemon2436-21rtkit-daemon07:47:201
149322512,43sleep00-21swapper/010:17:300
92342503,40sleep10-21swapper/107:52:121
705199504,39cyclictest0-21swapper/208:12:132
705199504,37cyclictest0-21swapper/211:36:562
705199504,29cyclictest0-21swapper/208:27:142
705199504,28cyclictest0-21swapper/210:22:052
705199504,28cyclictest0-21swapper/210:12:132
705199504,28cyclictest0-21swapper/207:37:042
705199504,27cyclictest0-21swapper/211:27:062
705199504,27cyclictest0-21swapper/211:22:022
705199504,27cyclictest0-21swapper/210:51:592
705199504,27cyclictest0-21swapper/210:03:582
705199504,26cyclictest0-21swapper/208:10:532
7051995033,11cyclictest24257-21tr09:32:012
7051995023,10cyclictest9022-21tune2fs10:07:052
704999505,27cyclictest0-21swapper/109:16:031
704999504,29cyclictest0-21swapper/111:52:051
704999504,29cyclictest0-21swapper/108:07:091
7049995032,10cyclictest25939-21head08:27:121
704999503,28cyclictest0-21swapper/108:36:491
704499504,29cyclictest0-21swapper/009:22:060
704499504,28cyclictest0-21swapper/010:47:020
704499504,28cyclictest0-21swapper/010:47:020
704499504,27cyclictest0-21swapper/008:07:210
704499504,22cyclictest0-21swapper/010:52:120
7044995034,10cyclictest31471-21tr07:32:060
7044995032,11cyclictest30367-21unixbench_singl11:57:160
7044995018,13cyclictest0-21swapper/009:51:580
7044995012,31cyclictest41ktimersoftd/010:07:160
243799500,5rtkit-daemon2436-21rtkit-daemon11:20:040
243799500,4rtkit-daemon2436-21rtkit-daemon10:04:520
173662503,10sleep10-21swapper/110:23:071
107712503,10sleep20-21swapper/211:17:132
705199494,28cyclictest0-21swapper/210:47:062
705199494,28cyclictest0-21swapper/210:47:062
705199494,27cyclictest0-21swapper/211:12:142
705199494,27cyclictest0-21swapper/211:06:442
705199494,27cyclictest0-21swapper/209:17:122
705199494,27cyclictest0-21swapper/206:57:262
705199493,30cyclictest0-21swapper/207:42:122
705199493,28cyclictest0-21swapper/208:42:022
705199493,28cyclictest0-21swapper/208:42:022
704999494,28cyclictest0-21swapper/109:07:241
704999494,27cyclictest0-21swapper/112:11:421
704999494,27cyclictest0-21swapper/107:17:311
704999494,27cyclictest0-21swapper/107:17:311
704499495,26cyclictest0-21swapper/011:01:210
704499494,38cyclictest0-21swapper/007:57:190
704499494,27cyclictest0-21swapper/007:47:220
704499494,27cyclictest0-21swapper/007:22:190
704499494,25cyclictest0-21swapper/009:07:010
704499493,28cyclictest0-21swapper/011:37:120
7044994910,33cyclictest0-21swapper/009:01:490
66932494,38sleep00-21swapper/006:37:430
6592492,10sleep20-21swapper/209:50:312
222492493,39sleep10-21swapper/110:34:191
100562493,10sleep20-21swapper/206:47:112
705199485,26cyclictest0-21swapper/211:46:292
705199484,27cyclictest0-21swapper/211:47:132
705199484,27cyclictest0-21swapper/207:47:102
705199484,26cyclictest0-21swapper/208:20:542
704999484,27cyclictest0-21swapper/112:01:421
704999484,27cyclictest0-21swapper/110:57:111
704999484,27cyclictest0-21swapper/110:41:571
704999484,27cyclictest0-21swapper/110:16:591
704999484,27cyclictest0-21swapper/108:05:511
704999484,27cyclictest0-21swapper/108:05:511
7049994831,11cyclictest7481-21tr11:11:571
7049994819,12cyclictest0-21swapper/109:56:101
704499485,36cyclictest0-21swapper/007:42:050
704499484,27cyclictest0-21swapper/011:41:570
704499484,27cyclictest0-21swapper/009:02:000
704499484,27cyclictest0-21swapper/007:27:150
704499484,26cyclictest0-21swapper/008:42:230
704499484,26cyclictest0-21swapper/008:42:230
704499483,27cyclictest0-21swapper/008:22:240
704499483,19cyclictest0-21swapper/011:07:050
243799480,5rtkit-daemon2436-21rtkit-daemon10:28:060
243799480,5rtkit-daemon2436-21rtkit-daemon06:47:070
140512483,10sleep10-21swapper/106:55:121
7051994731,9cyclictest21986-21tail10:32:192
704999474,36cyclictest0-21swapper/107:36:531
704999474,36cyclictest0-21swapper/107:02:261
704999474,26cyclictest0-21swapper/108:56:001
704999474,25cyclictest0-21swapper/111:51:431
7049994717,12cyclictest0-21swapper/108:49:051
704499474,26cyclictest0-21swapper/011:27:000
704499474,26cyclictest0-21swapper/009:42:130
704499474,26cyclictest0-21swapper/009:12:130
704499474,25cyclictest0-21swapper/006:55:400
7044994730,10cyclictest2752-21tr08:47:050
704499473,30cyclictest0-21swapper/011:47:110
704499473,27cyclictest0-21swapper/011:52:090
704499473,25cyclictest0-21swapper/012:06:550
7044994729,10cyclictest27013-21tune2fs09:37:080
31482472,39sleep00-21swapper/007:38:410
234942472,9sleep20-21swapper/207:13:522
186652473,9sleep00-21swapper/009:19:010
163012472,38sleep00-21swapper/006:58:260
705199464,34cyclictest0-21swapper/207:27:042
7051994622,16cyclictest0-21swapper/211:57:022
7051994615,13cyclictest0-21swapper/209:07:062
704999465,34cyclictest0-21swapper/108:57:051
704999465,25cyclictest0-21swapper/106:50:401
704999464,35cyclictest0-21swapper/109:27:211
704999464,35cyclictest0-21swapper/109:27:211
704999464,34cyclictest0-21swapper/109:51:471
704999464,26cyclictest0-21swapper/111:11:221
7049994627,13cyclictest0-21swapper/107:46:521
293782463,10sleep20-21swapper/208:33:042
150502462,38sleep00-21swapper/008:03:120
150502462,38sleep00-21swapper/008:03:120
7049994529,11cyclictest0-21swapper/110:06:591
7049994522,7cyclictest11778-21cat09:06:481
704499454,35cyclictest0-21swapper/012:01:560
704499454,35cyclictest0-21swapper/010:12:120
7044994527,12cyclictest25614-21unixbench_multi09:32:200
30172453,10sleep20-21swapper/209:52:492
7051994424,14cyclictest0-21swapper/206:41:552
704999444,32cyclictest0-21swapper/107:57:031
704999444,14cyclictest0-21swapper/110:12:071
103382442,36sleep00-21swapper/007:54:010
704999424,32cyclictest0-21swapper/107:30:461
704999384,30cyclictest0-21swapper/106:41:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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