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2026-05-14 - 21:29

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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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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 highest latencies:
System rack3slot6s.osadl.org (updated Thu May 14, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59712118107,6sleep10-21swapper/107:09:521
5816211897,16sleep00-21swapper/007:07:520
5272210897,6sleep30-21swapper/307:05:553
5375210780,19sleep20-21swapper/207:06:012
215602770,0sleep10-21swapper/109:43:431
321112760,1sleep20-21swapper/210:30:132
116372740,1sleep00-21swapper/007:21:000
308692700,0sleep00-21swapper/010:28:500
167452690,0sleep10-21swapper/107:35:131
54622680,0sleep00-21swapper/011:10:480
119392680,0sleep00-21swapper/012:28:240
6010993617,18cyclictest0-21swapper/109:25:131
601199320,2cyclictest0-21swapper/211:20:112
601099260,2cyclictest0-21swapper/108:15:101
6011992313,9cyclictest0-21swapper/207:55:102
601099220,18cyclictest0-21swapper/112:30:101
88332210,0sleep00-21swapper/011:50:120
601299209,2cyclictest0-21swapper/310:43:073
601199200,18cyclictest0-21swapper/207:35:112
601199200,18cyclictest0-21swapper/207:10:122
6010992017,2cyclictest0-21swapper/108:25:121
601299199,2cyclictest0-21swapper/307:50:113
6012991910,2cyclictest0-21swapper/312:20:523
601299190,12cyclictest22725-21apt-get09:45:103
601299190,12cyclictest0-21swapper/311:49:193
601299190,11cyclictest0-21swapper/310:45:413
601299190,11cyclictest0-21swapper/310:45:413
6011991916,2cyclictest5994-21kworker/u8:110:01:042
6011991916,2cyclictest3608-21kworker/u8:212:00:052
6011991916,2cyclictest3608-21kworker/u8:211:53:052
6011991916,2cyclictest26093-21kworker/u8:111:56:042
601299189,2cyclictest22326-21diskmemload09:30:413
601299189,2cyclictest0-21swapper/311:26:313
601299188,2cyclictest0-21swapper/312:05:193
6012991810,2cyclictest0-21swapper/310:15:153
601299180,7cyclictest0-21swapper/307:40:013
601299180,6cyclictest0-21swapper/311:06:013
601299180,2cyclictest0-21swapper/308:00:163
601299180,11cyclictest0-21swapper/310:59:213
601299180,11cyclictest0-21swapper/310:50:163
601299180,11cyclictest0-21swapper/310:50:153
601299180,11cyclictest0-21swapper/309:58:153
6011991815,2cyclictest8865-21kworker/u8:309:57:052
6011991815,2cyclictest8865-21kworker/u8:309:54:022
6011991815,2cyclictest700-21kworker/u8:009:46:052
6011991815,2cyclictest700-21kworker/u8:009:28:062
6011991815,2cyclictest22174-21kworker/u8:008:03:052
6011991815,2cyclictest20795-21kworker/u8:011:30:042
6011991815,2cyclictest19294-21kworker/u8:110:25:042
6011991815,2cyclictest14650-21kworker/u8:209:38:042
6011991815,2cyclictest1401-21kworker/u8:012:33:042
6011991815,2cyclictest10541-21kworker/u8:108:41:052
601199181,15cyclictest22297-21munin-run11:30:012
6010991815,2cyclictest10786-21kworker/u8:111:23:051
601299179,2cyclictest0-21swapper/311:40:413
601299172,6cyclictest0-21swapper/312:40:003
601299172,6cyclictest0-21swapper/310:10:003
601299170,11cyclictest0-21swapper/311:37:163
601299170,11cyclictest0-21swapper/311:30:143
6011991714,2cyclictest22174-21kworker/u8:007:54:012
6011991714,2cyclictest21996-21kworker/u8:011:03:052
6011991714,2cyclictest21883-21kworker/u8:112:17:052
6011991714,2cyclictest11905-21kworker/u8:107:33:042
601199170,2cyclictest0-21swapper/210:51:052
601199170,2cyclictest0-21swapper/210:51:042
601199170,12cyclictest0-21swapper/211:09:042
601199170,12cyclictest0-21swapper/210:13:032
601299168,2cyclictest0-21swapper/309:35:383
601299162,7cyclictest0-21swapper/308:18:023
601299162,6cyclictest22438-21copy09:45:003
601299162,6cyclictest0-21swapper/308:50:003
6011991613,2cyclictest3107-21kworker/u8:007:16:062
6011991613,2cyclictest16031-21kworker/u8:008:52:052
601199160,11cyclictest0-21swapper/210:48:052
601199160,11cyclictest0-21swapper/210:48:042
6009991612,2cyclictest0-21swapper/011:00:120
601299155,7cyclictest4562-21gdm-simple-gree09:50:593
601299150,13cyclictest10032-21turbostat07:19:593
601199152,6cyclictest0-21swapper/207:40:012
6011991512,2cyclictest21883-21kworker/u8:112:07:042
6011991512,2cyclictest16031-21kworker/u8:009:02:052
6011991510,3cyclictest11397-21chrt12:27:302
601199150,3cyclictest11547-21ssh11:17:312
601199150,2cyclictest0-21swapper/212:13:052
601199150,2cyclictest0-21swapper/210:21:052
601199150,13cyclictest0-21swapper/212:35:172
6010991512,2cyclictest28339-21kworker/u8:211:04:061
6010991512,2cyclictest11683-21kworker/u8:112:36:051
6010991510,3cyclictest27298-21rm09:50:101
600999151,12cyclictest20547-21ssh11:27:060
154142150,3sleep014334-21munin-node0
601299142,6cyclictest0-21swapper/308:55:003
6011991411,2cyclictest16031-21kworker/u8:009:05:052
601199140,2cyclictest0-21swapper/211:49:052
601199140,2cyclictest0-21swapper/211:36:022
601199140,2cyclictest0-21swapper/211:13:052
601199140,13cyclictest0-21swapper/210:38:042
601199140,12cyclictest22326-21diskmemload10:41:142
601199140,12cyclictest0-21swapper/209:32:532
6010991411,2cyclictest20070-21kworker/u8:209:19:041
6010991410,2cyclictest20165-40update-apt-xapi07:42:401
6010991410,2cyclictest10790-21sed08:40:141
601099140,13cyclictest0-21swapper/107:16:031
601099140,12cyclictest0-21swapper/112:25:001
601099140,12cyclictest0-21swapper/111:54:331
601099140,12cyclictest0-21swapper/109:21:231
601099140,12cyclictest0-21swapper/109:05:181
6009991411,2cyclictest0-21swapper/012:05:200
600999140,2cyclictest0-21swapper/011:24:490
600999140,12cyclictest8865-21aten2.4-expect11:15:120
600999140,12cyclictest21032-21ssh12:38:300
600999140,12cyclictest0-21swapper/010:02:330
318262140,2sleep00-21swapper/008:11:010
601299132,6cyclictest0-21swapper/308:25:013
601299132,6cyclictest0-21swapper/308:00:013
6012991310,2cyclictest0-21swapper/312:25:463
6012991310,2cyclictest0-21swapper/310:28:153
6012991310,2cyclictest0-21swapper/309:19:323
601299130,2cyclictest22326-21diskmemload11:15:383
601299130,2cyclictest0-21swapper/308:25:143
601299130,12cyclictest0-21swapper/312:15:183
601299130,12cyclictest0-21swapper/311:55:123
601299130,12cyclictest0-21swapper/308:35:183
601299130,11cyclictest23756-21ssh09:10:273
601299130,11cyclictest22326-21diskmemload11:54:223
601199131,10cyclictest30972-21rm09:18:582
6011991310,2cyclictest0-21swapper/209:40:162
601199130,8cyclictest0-21swapper/212:24:052
601199130,2cyclictest0-21swapper/210:58:542
601199130,12cyclictest0-21swapper/210:15:042
601199130,12cyclictest0-21swapper/208:55:172
601199130,11cyclictest0-21swapper/209:10:162
601099139,2cyclictest0-21swapper/112:10:111
601099139,2cyclictest0-21swapper/109:10:191
6010991310,2cyclictest700-21kworker/u8:009:31:051
6010991310,2cyclictest3107-21kworker/u8:007:20:041
6010991310,2cyclictest22326-21diskmemload09:35:571
6010991310,2cyclictest16136-21kworker/u8:211:33:041
6010991310,2cyclictest0-21swapper/110:39:291
601099130,3cyclictest16552-21sh10:12:581
601099130,2cyclictest0-21swapper/112:20:141
601099130,2cyclictest0-21swapper/110:27:461
601099130,2cyclictest0-21swapper/110:05:161
601099130,2cyclictest0-21swapper/108:55:131
601099130,12cyclictest0-21swapper/110:21:041
601099130,12cyclictest0-21swapper/110:00:131
601099130,12cyclictest0-21swapper/109:57:331
601099130,11cyclictest0-21swapper/107:10:401
6009991310,2cyclictest6533-21ssh12:21:530
6009991310,2cyclictest21580-21ssh10:18:370
6009991310,2cyclictest21258-21ssh12:03:200
6009991310,2cyclictest0-21swapper/010:38:040
6009991310,2cyclictest0-21swapper/010:07:330
6009991310,2cyclictest0-21swapper/009:40:530
6009991310,2cyclictest0-21swapper/009:31:160
6009991310,2cyclictest0-21swapper/008:20:390
600999130,2cyclictest22326-21diskmemload11:07:490
600999130,2cyclictest0-21swapper/012:19:300
600999130,2cyclictest0-21swapper/010:56:110
600999130,2cyclictest0-21swapper/010:20:120
600999130,12cyclictest15615-21ssh10:46:400
600999130,12cyclictest15615-21ssh10:46:390
600999130,12cyclictest0-21swapper/010:13:400
600999130,11cyclictest0-21swapper/011:32:460
35842130,2sleep10-21swapper/112:20:001
281062130,1sleep00-21swapper/011:35:180
601299129,2cyclictest0-21swapper/311:23:223
601299129,2cyclictest0-21swapper/311:00:123
601299129,2cyclictest0-21swapper/310:35:163
601299129,2cyclictest0-21swapper/310:20:353
601299129,2cyclictest0-21swapper/308:41:033
601299129,2cyclictest0-21swapper/307:45:593
601299122,6cyclictest0-21swapper/307:25:003
601299120,2cyclictest0-21swapper/308:55:163
601299120,11cyclictest6116-21ssh11:11:123
601299120,11cyclictest0-21swapper/312:31:013
601299120,11cyclictest0-21swapper/312:13:013
601299120,11cyclictest0-21swapper/312:03:293
601299120,11cyclictest0-21swapper/310:30:153
601299120,11cyclictest0-21swapper/310:12:373
601299120,11cyclictest0-21swapper/310:02:163
601299120,11cyclictest0-21swapper/309:26:023
601199122,7cyclictest0-21swapper/208:46:012
6011991210,1cyclictest0-21swapper/208:35:502
601199120,2cyclictest22326-21diskmemload09:20:582
601199120,2cyclictest0-21swapper/208:19:052
601199120,11cyclictest0-21swapper/211:40:122
601199120,11cyclictest0-21swapper/210:05:272
601199120,11cyclictest0-21swapper/208:21:022
601099129,2cyclictest22326-21diskmemload11:12:461
601099129,2cyclictest17405-21kworker/u8:210:50:051
601099129,2cyclictest17405-21kworker/u8:210:50:051
601099129,2cyclictest0-21swapper/112:07:191
601099129,2cyclictest0-21swapper/112:04:391
601099129,2cyclictest0-21swapper/110:40:131
601099129,2cyclictest0-21swapper/108:20:271
601099129,2cyclictest0-21swapper/107:50:391
601099129,2cyclictest0-21swapper/107:29:531
601099128,2cyclictest28191-21ps11:35:181
601099128,2cyclictest22869-21df_inode10:55:151
601099127,3cyclictest207150irq/24-eth111:25:121
601099127,3cyclictest15110-21sed10:46:021
601099127,3cyclictest15110-21sed10:46:011
601099121,3cyclictest0-21swapper/107:56:011
601099120,3cyclictest6485-21ssh11:46:501
601099120,2cyclictest0-21swapper/111:40:291
601099120,2cyclictest0-21swapper/111:17:461
601099120,2cyclictest0-21swapper/111:05:071
601099120,2cyclictest0-21swapper/110:18:091
601099120,11cyclictest0-21swapper/109:45:041
601099120,11cyclictest0-21swapper/108:50:141
601099120,10cyclictest0-21swapper/110:31:021
600999129,2cyclictest8726-21apt-get10:40:100
600999129,2cyclictest0-21swapper/012:10:210
600999129,2cyclictest0-21swapper/011:56:090
600999129,2cyclictest0-21swapper/009:54:230
600999129,2cyclictest0-21swapper/009:20:130
600999129,2cyclictest0-21swapper/009:19:060
600999129,2cyclictest0-21swapper/009:13:400
600999129,2cyclictest0-21swapper/008:45:160
600999129,2cyclictest0-21swapper/008:01:020
600999120,2cyclictest0-21swapper/010:51:310
600999120,2cyclictest0-21swapper/010:51:310
600999120,2cyclictest0-21swapper/010:32:160
600999120,2cyclictest0-21swapper/009:45:370
600999120,2cyclictest0-21swapper/007:35:180
600999120,11cyclictest0-21swapper/011:46:030
600999120,11cyclictest0-21swapper/009:35:090
600999120,11cyclictest0-21swapper/009:25:300
600999120,11cyclictest0-21swapper/008:35:010
600999120,11cyclictest0-21swapper/007:55:170
600999120,11cyclictest0-21swapper/007:45:150
55052120,2sleep20-21swapper/208:26:032
169702120,2sleep10-21swapper/111:58:511
601299118,2cyclictest0-21swapper/309:21:063
601299111,6cyclictest0-21swapper/307:41:003
601299110,2cyclictest0-21swapper/307:29:593
601199118,2cyclictest0-21swapper/208:10:102
601199110,2cyclictest10075-21copy07:20:042
601199110,10cyclictest0-21swapper/208:30:182
601099111,8cyclictest0-21swapper/108:10:161
601099110,9cyclictest0-21swapper/108:05:131
601099110,9cyclictest0-21swapper/108:00:121
601099110,9cyclictest0-21swapper/107:45:111
601099110,10cyclictest0-21swapper/109:00:301
600999118,2cyclictest0-21swapper/011:41:400
600999112,6cyclictest0-21swapper/008:51:000
600999111,6cyclictest0-21swapper/009:55:000
600999111,5cyclictest0-21swapper/008:20:010
600999110,2cyclictest0-21swapper/012:34:010
601299107,2cyclictest0-21swapper/308:30:133
601299107,2cyclictest0-21swapper/307:30:183
601299105,3cyclictest31511-21needreboot08:10:163
601299102,6cyclictest0-21swapper/308:10:003
601199105,3cyclictest3492-21cupsd07:25:092
601199100,8cyclictest0-21swapper/208:08:412
601199100,4cyclictest0-21swapper/207:50:012
601099107,2cyclictest4539-21kworker/u8:208:36:051
601099107,2cyclictest10541-21kworker/u8:108:49:031
601099100,8cyclictest0-21swapper/108:30:111
601099100,2cyclictest0-21swapper/107:30:141
600999107,2cyclictest0-21swapper/007:40:130
600999107,2cyclictest0-21swapper/007:25:110
600999105,3cyclictest9844-21grep08:36:020
600999101,7cyclictest28929-21tr08:05:130
600999101,7cyclictest274-21jbd2/sda1-808:55:160
600999101,6cyclictest0-21swapper/007:17:380
600999100,2cyclictest0-21swapper/008:45:000
60129995,2cyclictest0-21swapper/307:10:133
60129994,3cyclictest22074-21sshd09:06:543
60129990,8cyclictest0-21swapper/309:02:303
60099994,3cyclictest186242sleep009:00:120
60099992,6cyclictest0-21swapper/007:51:000
60099992,5cyclictest0-21swapper/009:07:590
60099991,6cyclictest0-21swapper/008:27:510
60099991,5cyclictest0-21swapper/007:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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