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2025-11-24 - 16:16

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
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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 Mon Nov 24, 2025 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9779999935,11cyclictest10227-21cpuspeed_turbos09:12:060
9779999920,25cyclictest6659-21grep10:12:030
9781997220,46cyclictest21324-21uptime07:17:301
9781997220,46cyclictest21324-21uptime07:17:301
243799620,9rtkit-daemon0-21swapper/110:39:361
243799620,9rtkit-daemon0-21swapper/108:55:251
243799620,9rtkit-daemon0-21swapper/108:29:341
243799620,9rtkit-daemon0-21swapper/108:18:271
9783996143,11cyclictest20261-21fschecks_time09:32:113
243799610,9rtkit-daemon0-21swapper/111:43:191
243799610,9rtkit-daemon0-21swapper/111:36:191
243799610,9rtkit-daemon0-21swapper/111:36:191
243799610,9rtkit-daemon0-21swapper/110:48:211
243799610,9rtkit-daemon0-21swapper/110:46:061
243799610,9rtkit-daemon0-21swapper/110:24:371
243799610,9rtkit-daemon0-21swapper/110:03:151
243799610,9rtkit-daemon0-21swapper/109:32:011
243799610,9rtkit-daemon0-21swapper/109:26:091
243799610,9rtkit-daemon0-21swapper/109:05:251
243799610,9rtkit-daemon0-21swapper/109:00:331
243799610,8rtkit-daemon0-21swapper/110:00:301
243799610,8rtkit-daemon0-21swapper/107:16:371
243799610,4rtkit-daemon0-21swapper/112:02:411
243799610,4rtkit-daemon0-21swapper/110:56:061
243799610,4rtkit-daemon0-21swapper/110:56:061
243799610,3rtkit-daemon0-21swapper/110:16:071
243799610,3rtkit-daemon0-21swapper/109:15:471
243799610,3rtkit-daemon0-21swapper/109:10:101
243799610,3rtkit-daemon0-21swapper/108:26:041
243799610,3rtkit-daemon0-21swapper/108:09:501
243799610,3rtkit-daemon0-21swapper/107:38:061
243799610,2rtkit-daemon0-21swapper/107:10:151
243799610,10rtkit-daemon0-21swapper/111:53:031
243799600,9rtkit-daemon0-21swapper/112:23:471
243799600,9rtkit-daemon0-21swapper/111:50:411
243799600,9rtkit-daemon0-21swapper/108:06:351
243799600,9rtkit-daemon0-21swapper/108:06:351
243799600,9rtkit-daemon0-21swapper/108:00:351
243799600,8rtkit-daemon0-21swapper/110:33:371
243799600,8rtkit-daemon0-21swapper/110:07:151
243799600,8rtkit-daemon0-21swapper/110:07:151
243799600,8rtkit-daemon0-21swapper/108:14:271
243799600,4rtkit-daemon0-21swapper/110:59:061
243799600,4rtkit-daemon0-21swapper/109:28:321
243799600,4rtkit-daemon0-21swapper/109:28:321
243799600,3rtkit-daemon0-21swapper/112:18:551
243799600,3rtkit-daemon0-21swapper/112:18:551
243799600,3rtkit-daemon0-21swapper/112:08:031
243799600,3rtkit-daemon0-21swapper/111:57:331
243799600,3rtkit-daemon0-21swapper/111:40:491
243799600,3rtkit-daemon0-21swapper/111:40:491
243799600,3rtkit-daemon0-21swapper/111:02:501
243799600,3rtkit-daemon0-21swapper/110:29:071
243799600,3rtkit-daemon0-21swapper/110:18:521
243799600,3rtkit-daemon0-21swapper/108:49:111
243799600,3rtkit-daemon0-21swapper/107:31:361
243799600,2rtkit-daemon0-21swapper/109:38:091
9782995941,10cyclictest20200-21gltestperf11:47:032
243799590,4rtkit-daemon0-21swapper/111:21:571
243799590,4rtkit-daemon0-21swapper/107:36:361
243799590,3rtkit-daemon0-21swapper/112:14:031
243799590,3rtkit-daemon0-21swapper/109:19:021
243799590,3rtkit-daemon0-21swapper/107:23:071
978199584,23cyclictest0-21swapper/109:51:491
64892583,7sleep16507-21python11:17:161
3502584,12sleep30-21swapper/309:57:213
243799580,3rtkit-daemon0-21swapper/107:50:581
185322586,10sleep00-21swapper/009:27:230
185322586,10sleep00-21swapper/009:27:230
977999574,45cyclictest0-21swapper/008:56:230
243799570,5rtkit-daemon0-21swapper/110:00:450
9783995637,11cyclictest16597-21sort10:32:073
243799560,5rtkit-daemon2436-21rtkit-daemon08:47:480
237982563,46sleep00-21swapper/010:47:080
9783995512,34cyclictest0-21swapper/306:57:083
978299554,43cyclictest0-21swapper/212:22:062
901825510,36sleep00-21swapper/006:52:220
53542552,10sleep20-21swapper/210:07:202
53542552,10sleep20-21swapper/210:07:202
243799550,6rtkit-daemon2436-21rtkit-daemon11:16:570
243799550,5rtkit-daemon2436-21rtkit-daemon08:37:110
978399544,30cyclictest0-21swapper/311:16:453
9783995436,11cyclictest9518-21head10:17:093
978299544,42cyclictest0-21swapper/209:52:092
978299544,30cyclictest0-21swapper/210:42:212
73182545,9sleep00-21swapper/009:06:520
232332543,44sleep20-21swapper/211:52:162
978399534,40cyclictest0-21swapper/307:21:563
978399534,40cyclictest0-21swapper/307:21:563
978399534,25cyclictest0-21swapper/309:47:043
9783995335,11cyclictest17845-21fschecks_time07:12:153
978299535,42cyclictest0-21swapper/207:27:142
978299534,42cyclictest0-21swapper/210:31:472
9782995334,11cyclictest10929-21grep06:57:172
977999534,30cyclictest0-21swapper/007:32:140
243799530,5rtkit-daemon2436-21rtkit-daemon09:52:230
153892532,9sleep20-21swapper/208:13:082
9783995235,10cyclictest82882sleep311:22:053
9783995221,13cyclictest0-21swapper/309:17:113
9783995221,13cyclictest0-21swapper/307:32:263
9783995213,21cyclictest0-21swapper/308:42:043
9783995213,21cyclictest0-21swapper/308:42:043
9783995212,23cyclictest29040-21head12:06:563
978299526,27cyclictest0-21swapper/207:06:552
978299525,29cyclictest0-21swapper/211:27:112
978299525,28cyclictest0-21swapper/211:02:082
978299524,29cyclictest0-21swapper/208:17:142
9782995218,14cyclictest0-21swapper/209:12:042
978199524,30cyclictest0-21swapper/111:27:141
83072522,10sleep30-21swapper/309:07:113
273782522,7sleep027464-21gltestperf09:47:100
243799520,5rtkit-daemon2436-21rtkit-daemon07:42:211
203932526,39sleep00-21swapper/011:47:060
189782522,44sleep00-21swapper/011:44:400
142452522,9sleep00-21swapper/011:35:090
142452522,9sleep00-21swapper/011:35:090
978399515,27cyclictest0-21swapper/310:06:493
978399514,29cyclictest0-21swapper/310:47:083
978399514,29cyclictest0-21swapper/309:42:083
978399514,28cyclictest0-21swapper/310:16:493
978399514,28cyclictest0-21swapper/308:17:263
9783995119,13cyclictest0-21swapper/311:32:003
9783995119,13cyclictest0-21swapper/311:32:003
978299515,27cyclictest0-21swapper/209:02:182
978299514,28cyclictest0-21swapper/210:37:112
978299514,28cyclictest0-21swapper/210:12:062
9782995130,13cyclictest0-21swapper/208:37:172
978299513,30cyclictest0-21swapper/212:07:142
978299513,28cyclictest0-21swapper/209:07:192
9782995128,16cyclictest0-21swapper/209:37:042
978299512,43cyclictest0-21swapper/208:51:572
9782995111,20cyclictest29043-21needreboot08:42:172
9782995111,20cyclictest29043-21needreboot08:42:172
978199514,29cyclictest0-21swapper/108:37:171
9779995133,12cyclictest0-21swapper/011:22:050
243799510,5rtkit-daemon2436-21rtkit-daemon11:12:200
243799510,5rtkit-daemon2436-21rtkit-daemon08:42:260
243799510,5rtkit-daemon2436-21rtkit-daemon08:42:260
243799510,4rtkit-daemon2436-21rtkit-daemon09:42:090
243799510,4rtkit-daemon2436-21rtkit-daemon08:32:190
228342512,9sleep20-21swapper/208:31:512
219072512,42sleep00-21swapper/008:27:210
191002512,9sleep30-21swapper/311:46:163
141362512,9sleep20-21swapper/209:17:422
132582512,42sleep00-21swapper/009:17:120
978399504,28cyclictest0-21swapper/310:22:073
978399504,28cyclictest0-21swapper/309:37:063
9783995033,10cyclictest21015-21cpuspeed_turbos08:27:093
9783995031,11cyclictest8812-21aten_r1power_en08:02:063
9783995031,11cyclictest8812-21aten_r1power_en08:02:063
9783995031,11cyclictest2787-21grep07:47:193
978299505,28cyclictest0-21swapper/207:37:232
978299504,28cyclictest0-21swapper/212:17:122
978299504,28cyclictest0-21swapper/212:17:122
978299504,28cyclictest0-21swapper/211:23:062
978299504,28cyclictest0-21swapper/207:47:232
978299504,28cyclictest0-21swapper/207:22:082
978299504,27cyclictest0-21swapper/211:57:012
9782995035,9cyclictest1901-21Xorg10:18:462
9782995028,15cyclictest0-21swapper/210:32:102
9782995026,15cyclictest0-21swapper/208:07:072
9782995018,14cyclictest0-21swapper/208:22:182
9782995018,13cyclictest0-21swapper/209:27:142
9782995018,13cyclictest0-21swapper/209:27:142
978199507,27cyclictest0-21swapper/107:52:071
978199505,27cyclictest0-21swapper/111:11:551
978199504,29cyclictest0-21swapper/106:59:571
977999504,29cyclictest0-21swapper/009:26:500
977999504,27cyclictest0-21swapper/007:04:180
9779995015,13cyclictest0-21swapper/007:46:540
272752502,9sleep30-21swapper/308:37:283
190692502,9sleep30-21swapper/309:29:483
190692502,9sleep30-21swapper/309:29:483
165822502,41sleep00-21swapper/007:07:320
978399494,27cyclictest0-21swapper/309:52:083
9783994932,10cyclictest2318-21sshd12:17:043
9783994932,10cyclictest2318-21sshd12:17:043
9783994919,13cyclictest0-21swapper/308:57:183
9783994919,12cyclictest0-21swapper/312:01:453
978299495,27cyclictest0-21swapper/207:57:172
978299495,27cyclictest0-21swapper/207:07:212
978299494,37cyclictest0-21swapper/207:32:052
978299494,36cyclictest0-21swapper/211:01:482
978299494,36cyclictest0-21swapper/210:52:002
978299494,36cyclictest0-21swapper/210:52:002
978299494,28cyclictest0-21swapper/211:37:192
978299494,28cyclictest0-21swapper/211:37:192
978299494,28cyclictest0-21swapper/210:47:202
978299494,28cyclictest0-21swapper/208:57:082
978299494,28cyclictest0-21swapper/207:12:132
978299494,27cyclictest0-21swapper/207:46:542
978299494,26cyclictest0-21swapper/210:06:492
978299494,25cyclictest0-21swapper/209:47:042
9782994933,10cyclictest3985-21munin-node07:52:162
978299493,28cyclictest0-21swapper/209:42:232
978299493,28cyclictest0-21swapper/209:32:222
9782994918,13cyclictest0-21swapper/211:32:152
9782994918,13cyclictest0-21swapper/211:32:152
9782994917,14cyclictest0-21swapper/209:22:262
977999495,28cyclictest0-21swapper/011:27:180
977999495,28cyclictest0-21swapper/007:37:190
977999494,28cyclictest0-21swapper/011:52:110
977999494,27cyclictest0-21swapper/007:57:260
977999494,22cyclictest0-21swapper/011:37:180
977999494,22cyclictest0-21swapper/011:37:180
977999494,14cyclictest0-21swapper/007:12:080
9779994932,11cyclictest23629-21unixbench_multi07:22:290
44112490,4sleep2281ktimersoftd/211:12:202
22842493,40sleep10-21swapper/111:10:191
214792492,39sleep00-21swapper/007:19:130
214792492,39sleep00-21swapper/007:19:130
177892495,9sleep00-21swapper/010:34:100
164272492,9sleep30-21swapper/311:37:303
164272492,9sleep30-21swapper/311:37:303
978399485,27cyclictest0-21swapper/309:02:443
978399485,26cyclictest0-21swapper/311:52:013
978399484,26cyclictest0-21swapper/310:51:523
978399484,26cyclictest0-21swapper/310:51:523
978399484,23cyclictest0-21swapper/307:57:053
9783994825,16cyclictest0-21swapper/308:22:223
9783994819,11cyclictest27335-21perl12:02:023
9783994812,27cyclictest13625-21tail08:12:063
978299484,26cyclictest0-21swapper/208:32:122
978299483,26cyclictest0-21swapper/208:06:142
978299483,26cyclictest0-21swapper/208:06:142
9782994824,10cyclictest0-21swapper/212:01:552
978199484,13cyclictest0-21swapper/109:45:361
977999485,26cyclictest0-21swapper/010:11:440
977999485,26cyclictest0-21swapper/010:11:440
977999484,28cyclictest0-21swapper/007:52:310
977999484,27cyclictest0-21swapper/012:07:070
977999484,27cyclictest0-21swapper/011:02:140
977999484,27cyclictest0-21swapper/008:57:140
977999484,26cyclictest0-21swapper/008:12:060
6852482,9sleep30-21swapper/312:12:243
35752482,9sleep00-21swapper/007:49:440
297502483,9sleep10-21swapper/108:43:391
297502483,9sleep10-21swapper/108:43:391
119272482,9sleep30-21swapper/309:15:013
978399475,34cyclictest0-21swapper/307:02:233
978399474,37cyclictest0-21swapper/311:21:453
978399474,25cyclictest0-21swapper/311:06:543
9783994718,12cyclictest0-21swapper/307:37:223
9783994713,18cyclictest0-21swapper/307:07:053
9783994710,30cyclictest0-21swapper/310:36:583
978299475,35cyclictest0-21swapper/208:47:222
978299474,26cyclictest0-21swapper/209:57:152
9782994732,9cyclictest860-21grep11:07:052
9782994722,11cyclictest0-21swapper/210:22:082
978199474,26cyclictest0-21swapper/107:04:581
977999475,25cyclictest0-21swapper/010:27:130
977999474,28cyclictest0-21swapper/010:57:020
977999474,27cyclictest0-21swapper/010:17:050
977999474,17cyclictest0-21swapper/012:00:040
977999473,27cyclictest0-21swapper/012:22:000
977999473,27cyclictest0-21swapper/012:02:040
9779994717,12cyclictest0-21swapper/010:46:470
59692472,9sleep30-21swapper/310:10:433
59692472,9sleep30-21swapper/310:10:433
59452473,9sleep30-21swapper/312:26:273
35022472,39sleep00-21swapper/010:04:400
978399465,34cyclictest0-21swapper/307:42:223
978399465,13cyclictest0-21swapper/310:46:473
978399464,6cyclictest0-21swapper/310:26:553
978399464,34cyclictest0-21swapper/308:07:073
978399464,24cyclictest23554-21timerwakeupswit07:22:283
978399463,26cyclictest0-21swapper/307:52:283
9783994615,13cyclictest0-21swapper/308:52:183
978299465,25cyclictest0-21swapper/211:16:552
978299465,25cyclictest0-21swapper/207:20:002
978299465,25cyclictest0-21swapper/207:20:002
978299464,26cyclictest0-21swapper/212:12:012
9782994616,13cyclictest0-21swapper/211:42:052
9781994628,11cyclictest31178-21crond09:56:481
977999465,34cyclictest0-21swapper/006:57:090
977999464,27cyclictest0-21swapper/010:52:100
977999464,27cyclictest0-21swapper/010:52:100
977999464,24cyclictest0-21swapper/008:02:060
977999464,24cyclictest0-21swapper/008:02:060
977999464,23cyclictest0-21swapper/007:27:060
977999463,27cyclictest0-21swapper/009:32:150
977999462,31cyclictest0-21swapper/008:17:050
7222462,38sleep00-21swapper/012:12:540
301782462,9sleep30-21swapper/311:01:543
23412462,38sleep00-21swapper/011:11:020
978399454,33cyclictest0-21swapper/311:27:003
978399454,33cyclictest0-21swapper/306:56:573
978399454,25cyclictest0-21swapper/308:32:063
9781994526,11cyclictest23414-21tr08:32:081
977999454,25cyclictest0-21swapper/009:06:320
977999453,30cyclictest0-21swapper/010:37:000
977999453,22cyclictest0-21swapper/009:37:200
94462454,35sleep20-21swapper/206:53:042
297782452,9sleep30-21swapper/310:59:373
202162452,9sleep00-21swapper/008:23:510
978399443,24cyclictest0-21swapper/307:28:193
978399443,10cyclictest14696-21munin-node09:22:243
9779994417,21cyclictest1618-21nscd10:22:060
214492442,9sleep30-21swapper/311:50:323
130552442,35sleep00-21swapper/008:08:470
978399432,33cyclictest0-21swapper/308:47:043
977999423,12cyclictest0-21swapper/012:17:050
977999423,12cyclictest0-21swapper/012:17:050
978199408,24cyclictest0-21swapper/106:56:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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