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2026-04-03 - 20:21

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 Fri Apr 03, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18298211796,16sleep10-21swapper/107:08:371
176722117105,6sleep30-21swapper/307:05:413
17671211797,15sleep20-21swapper/207:05:412
649121090,0sleep10-21swapper/112:00:511
17699210695,6sleep00-21swapper/007:05:550
67632720,0sleep00-21swapper/010:20:210
72552670,3sleep01844099cyclictest10:55:120
219482650,0sleep30-21swapper/311:44:053
219482650,0sleep30-21swapper/311:44:043
169772280,0sleep30-21swapper/312:11:393
65902220,1sleep337-21rcuc/312:35:123
1844699220,5cyclictest0-21swapper/311:46:053
1844699220,5cyclictest0-21swapper/311:46:053
1844399220,17cyclictest0-21swapper/112:22:051
1844399220,17cyclictest0-21swapper/109:45:031
1844699210,4cyclictest0-21swapper/312:19:043
1844399210,16cyclictest0-21swapper/108:23:041
1844399210,16cyclictest0-21swapper/108:23:041
151592210,1sleep30-21swapper/311:03:093
1844699203,15cyclictest0-21swapper/312:29:043
1844699201,17cyclictest0-21swapper/312:03:043
1844699200,4cyclictest0-21swapper/308:40:043
1844699200,3cyclictest0-21swapper/309:49:053
1844399200,15cyclictest0-21swapper/112:16:041
206782190,1sleep00-21swapper/008:35:000
1844699191,3cyclictest0-21swapper/309:07:043
1844699191,2cyclictest0-21swapper/311:26:023
1844699191,16cyclictest0-21swapper/307:12:043
1844699190,5cyclictest0-21swapper/308:57:043
1844699190,4cyclictest0-21swapper/307:42:043
1844699190,3cyclictest0-21swapper/310:40:053
18443991916,2cyclictest1512-21kworker/u8:009:25:051
1844399190,2cyclictest0-21swapper/111:40:061
1844399190,2cyclictest0-21swapper/111:40:061
1844399190,2cyclictest0-21swapper/107:16:061
1844399190,18cyclictest0-21swapper/107:52:041
1844399190,14cyclictest0-21swapper/111:22:051
1844399190,14cyclictest0-21swapper/110:50:051
1844399190,14cyclictest0-21swapper/109:02:051
166422190,0sleep10-21swapper/111:05:071
162502190,4sleep01844099cyclictest08:21:020
162502190,4sleep01844099cyclictest08:21:020
55092180,1sleep00-21swapper/012:00:130
1844699182,2cyclictest0-21swapper/310:08:053
1844699180,5cyclictest0-21swapper/312:08:053
1844699180,4cyclictest0-21swapper/308:25:043
1844699180,2cyclictest0-21swapper/309:33:043
1844399180,2cyclictest0-21swapper/110:59:051
1844399180,17cyclictest0-21swapper/111:32:051
1844399180,16cyclictest0-21swapper/108:44:051
1844399180,14cyclictest0-21swapper/108:36:051
1844399180,13cyclictest0-21swapper/112:36:051
1844399180,12cyclictest0-21swapper/108:48:051
18446991714,2cyclictest0-21swapper/308:20:113
18446991714,2cyclictest0-21swapper/308:20:103
18446991713,3cyclictest3127-21nscd11:51:333
1844699171,2cyclictest0-21swapper/310:19:053
1844699170,2cyclictest0-21swapper/308:18:053
18445991714,2cyclictest762-21kworker/u8:210:52:022
18443991714,2cyclictest522-21kworker/u8:212:33:041
18443991714,2cyclictest24398-21kworker/u8:210:07:041
18443991714,2cyclictest18733-21kworker/u8:209:44:051
1844399170,3cyclictest0-21swapper/110:44:051
1844399170,2cyclictest0-21swapper/112:05:041
1844399170,2cyclictest0-21swapper/110:25:051
1844399170,2cyclictest0-21swapper/109:09:051
1844399170,2cyclictest0-21swapper/108:52:051
1844699161,2cyclictest0-21swapper/311:12:043
18446991611,3cyclictest18898-21aten2.4-expect08:30:123
1844699160,4cyclictest0-21swapper/309:41:043
18445991613,2cyclictest18733-21kworker/u8:209:28:052
1844599161,13cyclictest25975-21apt-get11:15:072
18443991613,2cyclictest28592-21kworker/u8:209:17:051
18443991613,2cyclictest18499-21kworker/u8:111:01:041
1844399160,8cyclictest0-21swapper/107:57:051
1844399160,15cyclictest0-21swapper/110:30:061
1844399160,15cyclictest0-21swapper/108:27:041
1844399160,15cyclictest0-21swapper/107:24:031
1844699151,12cyclictest22600-21ssh10:04:023
1844699150,2cyclictest0-21swapper/311:22:583
1844699150,2cyclictest0-21swapper/310:47:043
1844699150,13cyclictest0-21swapper/310:24:283
1844599151,3cyclictest1383-21iostat10:15:152
18445991512,2cyclictest522-21kworker/u8:212:30:022
18445991511,2cyclictest7602-21apt-get09:15:112
1844599150,3cyclictest5027-21fschecks_count07:55:132
1844599150,13cyclictest15074-21latency_hist10:30:002
18443991512,2cyclictest29856-21kworker/u8:111:35:041
18443991512,2cyclictest24398-21kworker/u8:210:14:041
18443991512,2cyclictest20689-21kworker/u8:107:36:061
18443991512,2cyclictest18733-21kworker/u8:209:53:051
18443991512,2cyclictest17091-21kworker/u8:211:47:051
18443991512,2cyclictest17091-21kworker/u8:211:47:041
1844399151,12cyclictest3843-21ssh09:10:261
1844399150,14cyclictest0-21swapper/111:55:051
1844399150,13cyclictest0-21swapper/112:11:051
1844399150,13cyclictest0-21swapper/111:54:581
1844399150,13cyclictest0-21swapper/110:46:031
18440991512,2cyclictest17091-21kworker/u8:211:51:050
18440991512,2cyclictest0-21swapper/011:40:140
18440991512,2cyclictest0-21swapper/011:40:140
1844099150,13cyclictest24476-21head10:05:190
1844699141,3cyclictest15746-21ssh09:23:093
18446991410,2cyclictest0-21swapper/311:05:103
1844699140,4cyclictest0-21swapper/308:03:043
1844699140,2cyclictest0-21swapper/308:36:023
1844699140,12cyclictest0-21swapper/310:34:193
1844699140,12cyclictest0-21swapper/309:28:183
1844699140,12cyclictest0-21swapper/307:45:113
1844599149,3cyclictest11149-21sh12:05:402
18445991411,2cyclictest18499-21kworker/u8:110:58:052
18445991411,2cyclictest0-21swapper/209:40:192
1844599141,11cyclictest16445-21ssh09:24:132
1844599140,2cyclictest0-21swapper/211:51:042
18443991411,2cyclictest4316-21kworker/u8:110:20:051
18443991411,2cyclictest20689-21kworker/u8:107:28:011
18443991411,2cyclictest18802-21kworker/u8:010:01:051
18443991411,2cyclictest18733-21kworker/u8:209:39:051
18443991411,2cyclictest16920-21kworker/u8:008:32:041
18443991411,2cyclictest0-21swapper/112:28:091
1844399140,12cyclictest2304-21diskmemload11:29:281
1844399140,12cyclictest0-21swapper/111:11:261
1844399140,12cyclictest0-21swapper/108:00:151
18440991411,2cyclictest10778-21apt-get08:10:110
18440991411,2cyclictest0-21swapper/012:31:000
18440991411,2cyclictest0-21swapper/012:09:130
18440991411,2cyclictest0-21swapper/010:36:030
18440991410,3cyclictest32366-21ssh12:28:080
1844099140,2cyclictest0-21swapper/009:37:440
1844099140,12cyclictest24596-21sh11:12:510
1844099140,12cyclictest16337-21apt-get11:05:070
1844099140,12cyclictest0-21swapper/007:25:000
209992130,2sleep20-21swapper/211:42:372
209992130,2sleep20-21swapper/211:42:372
18446991310,2cyclictest0-21swapper/311:56:013
18446991310,2cyclictest0-21swapper/311:15:293
18446991310,2cyclictest0-21swapper/310:58:193
18446991310,2cyclictest0-21swapper/310:10:093
18446991310,2cyclictest0-21swapper/309:10:163
1844699130,3cyclictest0-21swapper/309:57:043
1844699130,2cyclictest0-21swapper/309:53:183
1844699130,12cyclictest0-21swapper/311:30:393
1844699130,12cyclictest0-21swapper/310:35:133
1844699130,12cyclictest0-21swapper/307:15:113
1844699130,11cyclictest0-21swapper/311:35:123
1844699130,11cyclictest0-21swapper/310:51:103
18445991310,2cyclictest0-21swapper/212:10:172
18445991310,2cyclictest0-21swapper/209:55:122
18445991310,2cyclictest0-21swapper/209:10:172
18445991310,2cyclictest0-21swapper/208:05:182
1844599130,2cyclictest0-21swapper/211:59:402
1844599130,2cyclictest0-21swapper/211:20:182
1844599130,2cyclictest0-21swapper/210:00:172
1844599130,2cyclictest0-21swapper/209:35:192
1844599130,12cyclictest0-21swapper/210:21:002
1844599130,12cyclictest0-21swapper/207:45:102
1844599130,11cyclictest0-21swapper/211:29:112
18443991310,2cyclictest3060-21kworker/u8:208:16:051
18443991310,2cyclictest11065-21kworker/u8:109:31:051
18443991310,2cyclictest0-21swapper/110:35:151
1844399130,2cyclictest0-21swapper/111:15:171
1844399130,2cyclictest0-21swapper/110:16:591
1844399130,12cyclictest0-21swapper/109:55:181
1844399130,12cyclictest0-21swapper/108:55:111
18440991310,2cyclictest31137-21munin-node0
18440991310,2cyclictest2304-21diskmemload09:15:020
18440991310,2cyclictest0-21swapper/012:39:210
18440991310,2cyclictest0-21swapper/012:15:130
18440991310,2cyclictest0-21swapper/011:31:130
18440991310,2cyclictest0-21swapper/011:26:410
18440991310,2cyclictest0-21swapper/011:17:110
18440991310,2cyclictest0-21swapper/010:41:230
18440991310,2cyclictest0-21swapper/010:31:010
18440991310,2cyclictest0-21swapper/010:18:530
18440991310,2cyclictest0-21swapper/009:49:500
18440991310,2cyclictest0-21swapper/008:36:410
18440991310,2cyclictest0-21swapper/007:31:000
1844099130,2cyclictest0-21swapper/011:02:110
1844099130,2cyclictest0-21swapper/010:54:400
1844099130,2cyclictest0-21swapper/010:10:120
1844099130,2cyclictest0-21swapper/009:40:340
1844099130,2cyclictest0-21swapper/009:10:240
1844099130,12cyclictest0-21swapper/012:12:140
1844099130,12cyclictest0-21swapper/011:45:140
1844099130,12cyclictest0-21swapper/011:45:130
1844099130,12cyclictest0-21swapper/009:25:540
1844099130,12cyclictest0-21swapper/008:51:010
1844099130,12cyclictest0-21swapper/008:10:000
1844099130,12cyclictest0-21swapper/007:45:110
1844099130,12cyclictest0-21swapper/007:10:130
164312130,3sleep23649-21snmpd08:22:542
164312130,3sleep23649-21snmpd08:22:532
257702120,2sleep20-21swapper/212:20:572
1844699125,6cyclictest0-21swapper/307:30:583
1844699123,5cyclictest0-21swapper/308:45:593
1844699120,10cyclictest0-21swapper/312:23:443
1844699120,10cyclictest0-21swapper/310:26:053
1844599129,2cyclictest2304-21diskmemload11:36:572
1844599129,2cyclictest2304-21diskmemload10:13:262
1844599129,2cyclictest0-21swapper/210:45:332
1844599129,2cyclictest0-21swapper/210:30:092
1844599129,2cyclictest0-21swapper/209:34:282
1844599120,2cyclictest0-21swapper/209:51:502
1844599120,2cyclictest0-21swapper/208:10:182
1844599120,2cyclictest0-21swapper/208:04:362
1844599120,2cyclictest0-21swapper/207:50:172
1844599120,11cyclictest0-21swapper/211:45:172
1844599120,11cyclictest0-21swapper/211:45:172
1844599120,11cyclictest0-21swapper/211:00:172
1844599120,11cyclictest0-21swapper/208:31:022
1844599120,10cyclictest0-21swapper/211:06:412
1844399129,2cyclictest3060-21kworker/u8:208:09:051
1844399129,2cyclictest18349-21kworker/u8:007:10:011
1844399120,2cyclictest0-21swapper/109:22:281
1844399120,2cyclictest0-21swapper/107:49:041
1844399120,11cyclictest0-21swapper/108:10:291
1844399120,11cyclictest0-21swapper/107:30:171
1844099129,2cyclictest14590-21ssh11:35:440
1844099129,2cyclictest0-21swapper/012:20:410
1844099129,2cyclictest0-21swapper/010:27:500
1844099129,2cyclictest0-21swapper/009:56:030
1844099120,2cyclictest19816-21ssh10:00:200
1844099120,11cyclictest0-21swapper/011:55:110
1844099120,11cyclictest0-21swapper/010:45:500
1844099120,11cyclictest0-21swapper/009:50:330
1844099120,11cyclictest0-21swapper/009:31:240
1844099120,11cyclictest0-21swapper/008:04:210
1844099120,11cyclictest0-21swapper/007:40:300
1844099120,10cyclictest11065-21kworker/u8:109:20:040
1844699118,2cyclictest0-21swapper/312:30:293
1844699118,2cyclictest0-21swapper/307:55:113
1844699116,3cyclictest0-21swapper/307:21:003
1844699110,2cyclictest0-21swapper/309:38:413
1844699110,10cyclictest0-21swapper/309:15:513
1844699110,10cyclictest0-21swapper/307:35:183
1844599118,2cyclictest0-21swapper/210:40:132
1844599118,2cyclictest0-21swapper/209:00:132
1844599118,2cyclictest0-21swapper/208:36:022
1844599118,2cyclictest0-21swapper/207:25:122
1844599115,4cyclictest29400-21fschecks_time08:55:132
1844599111,8cyclictest18659-21packagekitd07:15:092
1844599110,2cyclictest0-21swapper/210:36:332
1844599110,2cyclictest0-21swapper/209:45:332
1844599110,10cyclictest2304-21diskmemload12:27:082
1844599110,10cyclictest0-21swapper/212:03:592
1844599110,10cyclictest0-21swapper/210:05:432
1844099118,2cyclictest0-21swapper/008:41:000
1844699105,3cyclictest3703-21sshd08:14:003
1844699105,3cyclictest2653-21cpuspeed_turbos07:50:123
1844699100,9cyclictest28592-21kworker/u8:208:54:053
1844599107,2cyclictest0-21swapper/211:10:102
1844599107,2cyclictest0-21swapper/208:15:142
1844599105,3cyclictest6644-21grep12:35:122
1844599100,9cyclictest0-21swapper/211:31:092
1844399100,8cyclictest0-21swapper/107:40:131
1844099107,2cyclictest0-21swapper/009:08:040
1844099100,9cyclictest30904-21kworker/u8:007:55:050
28498290,2sleep20-21swapper/208:52:502
184469992,5cyclictest4562-21gdm-simple-gree09:00:593
184469991,6cyclictest0-21swapper/308:06:003
184469990,7cyclictest20689-21kworker/u8:107:26:043
184459996,2cyclictest18349-21kworker/u8:007:10:062
184459996,2cyclictest0-21swapper/208:45:132
184459994,3cyclictest552-21aten2.4-expect09:05:112
184459994,3cyclictest32144-21wc07:41:032
184459994,3cyclictest29990-21cat07:36:022
184459994,3cyclictest27736-21processes07:30:172
184459994,3cyclictest22932-21aten2.4-expect08:40:112
184459994,3cyclictest22730-21basename07:20:102
184459994,3cyclictest19660-21cpu12:15:122
184409995,3cyclictest21197-21fschecks_time07:15:130
184409994,3cyclictest25038-21aten2.4_r3power08:45:110
184459983,3cyclictest16946-21aten2.4-expect08:25:122
184409985,2cyclictest13421-21ethtool08:15:140
184409985,2cyclictest0-21swapper/007:25:100
184409984,3cyclictest31664-21wc09:00:170
184409984,3cyclictest28894-21apt08:55:090
184409983,3cyclictest29202-21df07:35:120
184409980,7cyclictest0-21swapper/008:27:500
184409974,2cyclictest2880-21tune2fs07:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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