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2025-05-09 - 07:25

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #4

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack5slot4s.osadl.org (updated Fri May 09, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1677022470,1sleep30-21swapper/321:55:283
2314299198193,2cyclictest0-21swapper/119:15:221
2313999182173,8cyclictest2722-21strings19:15:220
226372118104,10sleep30-21swapper/319:05:373
227032115103,9sleep20-21swapper/219:06:282
2315099114112,1cyclictest0-21swapper/219:10:022
22763210984,10sleep00-21swapper/019:07:140
22824210895,10sleep10-21swapper/119:08:031
231429910096,2cyclictest0-21swapper/119:10:021
323542980,0sleep20-21swapper/200:10:152
323542980,0sleep20-21swapper/200:10:152
23142999693,2cyclictest17692-21kworker/u16:3+events_unbound23:25:321
23150998986,2cyclictest17692-21kworker/u16:3+events_unbound00:00:212
23150998783,3cyclictest17692-21kworker/u16:3+events_unbound23:55:032
23150998682,3cyclictest31508-21kworker/u16:2+events_unbound20:50:002
23139998476,7cyclictest0-21swapper/019:10:020
23150997974,3cyclictest17692-21kworker/u16:3+events_unbound00:30:312
23150997773,3cyclictest31508-21kworker/u16:2+events_unbound23:45:012
23150997672,3cyclictest17692-21kworker/u16:3+events_unbound19:15:022
23150997267,3cyclictest31508-21kworker/u16:2+events_unbound00:35:282
23150997167,3cyclictest31508-21kworker/u16:2+events_unbound19:40:132
166132710,0sleep3421rcuc/322:25:233
23150997067,2cyclictest17692-21kworker/u16:3+events_unbound20:25:272
23150997066,3cyclictest31508-21kworker/u16:2+events_unbound22:30:242
23150997066,3cyclictest31508-21kworker/u16:2+events_unbound22:20:242
23150997066,3cyclictest17692-21kworker/u16:3+events_unbound23:20:312
23150996965,3cyclictest17692-21kworker/u16:3+events_unbound23:35:262
23150996965,3cyclictest17692-21kworker/u16:3+events_unbound20:15:222
23150996965,3cyclictest17692-21kworker/u16:3+events_unbound19:55:242
23150996965,2cyclictest31508-21kworker/u16:2+events_unbound22:45:272
23150996964,3cyclictest17692-21kworker/u16:3+events_unbound21:00:162
23142996861,5cyclictest17692-21kworker/u16:3+events_unbound23:35:281
23139996862,4cyclictest17692-21kworker/u16:3+events_unbound00:20:270
23150996762,4cyclictest17692-21kworker/u16:3+events_unbound21:30:172
23150996662,3cyclictest17692-21kworker/u16:3+events_unbound23:30:292
23150996659,3cyclictest31508-21kworker/u16:2+events_unbound21:25:212
23150996561,3cyclictest31508-21kworker/u16:2+events_unbound21:50:182
23150996561,3cyclictest17692-21kworker/u16:3+events_unbound21:15:232
23150996561,3cyclictest17692-21kworker/u16:3+events_unbound19:45:182
23150996557,3cyclictest31508-21kworker/u16:2+events_unbound23:15:252
23150996460,3cyclictest31508-21kworker/u16:2+events_unbound22:10:262
23150996460,3cyclictest17692-21kworker/u16:3+events_unbound20:35:212
23150996359,3cyclictest31508-21kworker/u16:2+events_unbound21:40:262
23150996359,3cyclictest31508-21kworker/u16:2+events_unbound20:45:262
23150996258,3cyclictest31508-21kworker/u16:2+events_unbound22:15:272
23150996257,3cyclictest17692-21kworker/u16:3+events_unbound23:25:212
23150996157,3cyclictest31508-21kworker/u16:2+events_unbound23:50:122
23150996157,3cyclictest31508-21kworker/u16:2+events_unbound21:20:282
23150996157,3cyclictest17692-21kworker/u16:3+events_unbound22:25:272
23139996157,3cyclictest17692-21kworker/u16:3+events_unbound00:00:020
23150996056,3cyclictest17692-21kworker/u16:3+events_unbound22:50:242
23142996056,3cyclictest31508-21kworker/u16:2+events_unbound19:40:001
23150995956,2cyclictest17692-21kworker/u16:3+events_unbound19:35:242
23150995955,3cyclictest31508-21kworker/u16:2+events_unbound20:10:142
23150995955,3cyclictest17692-21kworker/u16:3+events_unbound20:40:242
23150995854,3cyclictest31508-21kworker/u16:2+events_unbound23:00:142
23150995854,3cyclictest31508-21kworker/u16:2+events_unbound22:00:172
23150995854,3cyclictest31508-21kworker/u16:2+events_unbound21:05:252
23150995854,3cyclictest31508-21kworker/u16:2+events_unbound00:25:262
23150995854,3cyclictest17692-21kworker/u16:3+events_unbound23:40:162
23150995754,2cyclictest31508-21kworker/u16:2+events_unbound19:25:162
23142995753,3cyclictest31508-21kworker/u16:2+events_unbound23:40:271
23150995654,1cyclictest31508-21kworker/u16:2+events_unbound19:50:212
23150995653,2cyclictest17692-21kworker/u16:3+events_unbound00:15:182
23150995652,3cyclictest31508-21kworker/u16:2+events_unbound19:30:262
23150995652,3cyclictest31508-21kworker/u16:2+events_unbound19:30:262
23150995652,3cyclictest17692-21kworker/u16:3+events_unbound00:05:202
23150995652,3cyclictest17692-21kworker/u16:3+events_unbound00:05:202
23142995651,3cyclictest17692-21kworker/u16:3+events_unbound20:05:261
23150995552,2cyclictest17692-21kworker/u16:3+events_unbound21:45:192
23150995548,3cyclictest31508-21kworker/u16:2+events_unbound21:10:242
23142995550,4cyclictest17692-21kworker/u16:3+events_unbound19:55:141
23139995550,3cyclictest17692-21kworker/u16:3+events_unbound22:05:210
23150995451,2cyclictest31508-21kworker/u16:2+events_unbound22:55:192
23142995450,3cyclictest31508-21kworker/u16:2+events_unbound20:50:211
23142995450,3cyclictest31508-21kworker/u16:2+events_unbound20:30:261
23142995450,3cyclictest17692-21kworker/u16:3+events_unbound22:50:261
23150995350,2cyclictest31508-21kworker/u16:2+events_unbound22:40:182
23150995350,2cyclictest31508-21kworker/u16:2+events_unbound19:20:192
23150995349,3cyclictest31508-21kworker/u16:2+events_unbound22:35:242
23150995349,3cyclictest31508-21kworker/u16:2+events_unbound20:20:242
23150995349,3cyclictest17692-21kworker/u16:3+events_unbound20:55:172
23142995347,4cyclictest17692-21kworker/u16:3+events_unbound20:35:121
23142995347,3cyclictest17692-21kworker/u16:3+events_unbound21:55:291
23150995249,2cyclictest17692-21kworker/u16:3+events_unbound21:55:272
23142995245,3cyclictest31508-21kworker/u16:2+events_unbound23:00:241
23150995147,3cyclictest31508-21kworker/u16:2+events_unbound20:30:242
23142995147,3cyclictest31508-21kworker/u16:2+events_unbound22:35:271
23150995047,2cyclictest17692-21kworker/u16:3+events_unbound23:05:252
23142995046,3cyclictest31508-21kworker/u16:2+events_unbound19:25:261
23150994945,3cyclictest31508-21kworker/u16:2+events_unbound23:10:162
23142994946,2cyclictest31508-21kworker/u16:2+events_unbound22:40:011
23150994844,3cyclictest31508-21kworker/u16:2+events_unbound20:00:152
23142994844,3cyclictest31508-21kworker/u16:2+events_unbound20:20:211
23142994844,3cyclictest17692-21kworker/u16:3+events_unbound21:15:001
23142994844,3cyclictest17692-21kworker/u16:3+events_unbound20:55:281
23142994842,3cyclictest31508-21kworker/u16:2+events_unbound23:45:281
23139994843,4cyclictest31508-21kworker/u16:2+events_unbound22:40:260
23142994642,3cyclictest17692-21kworker/u16:3+events_unbound23:55:201
23139994642,3cyclictest31508-21kworker/u16:2+events_unbound19:25:180
23139994642,3cyclictest17692-21kworker/u16:3+events_unbound19:55:160
23142994542,3cyclictest31508-21kworker/u16:2+events_unbound23:10:271
23142994541,3cyclictest31508-21kworker/u16:2+events_unbound22:55:011
23139994540,4cyclictest31508-21kworker/u16:2+events_unbound21:35:260
23142994441,3cyclictest31508-21kworker/u16:2+events_unbound23:50:251
23142994440,3cyclictest31508-21kworker/u16:2+events_unbound19:30:251
23142994440,3cyclictest31508-21kworker/u16:2+events_unbound19:30:251
23139994438,4cyclictest31508-21kworker/u16:2+events_unbound20:30:150
23142994340,3cyclictest31508-21kworker/u16:2+events_unbound20:10:271
23142994340,2cyclictest31508-21kworker/u16:2+events_unbound00:35:201
23139994339,3cyclictest31508-21kworker/u16:2+events_unbound22:00:160
23150994238,3cyclictest31508-21kworker/u16:2+events_unbound21:35:292
23150994238,3cyclictest17692-21kworker/u16:3+events_unbound00:20:292
23142994239,3cyclictest17692-21kworker/u16:3+events_unbound21:45:251
23142994239,3cyclictest17692-21kworker/u16:3+events_unbound19:45:261
23142994238,3cyclictest31508-21kworker/u16:2+events_unbound00:25:191
23142994238,3cyclictest17692-21kworker/u16:3+events_unbound00:15:221
23142994036,3cyclictest17692-21kworker/u16:3+events_unbound21:30:161
23139994036,3cyclictest17692-21kworker/u16:3+events_unbound23:20:250
23142993935,3cyclictest17692-21kworker/u16:3+events_unbound00:00:291
23139993935,3cyclictest31508-21kworker/u16:2+events_unbound20:50:180
23150993834,3cyclictest17692-21kworker/u16:3+events_unbound20:05:192
23142993835,3cyclictest31508-21kworker/u16:2+events_unbound23:15:211
23142993734,3cyclictest17692-21kworker/u16:3+events_unbound20:40:261
23142993734,3cyclictest17692-21kworker/u16:3+events_unbound20:00:231
23150993634,2cyclictest17692-21kworker/u16:3+events_unbound22:05:172
23142993633,3cyclictest31508-21kworker/u16:2+events_unbound22:20:221
23142993633,2cyclictest17692-21kworker/u16:3+events_unbound21:05:151
185722360,1chrt421rcuc/320:30:213
23142993533,2cyclictest17692-21kworker/u16:3+events_unbound00:30:231
23139993531,3cyclictest31508-21kworker/u16:2+events_unbound21:30:280
23142993431,2cyclictest17692-21kworker/u16:3+events_unbound00:05:161
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23139993430,3cyclictest17692-21kworker/u16:3+events_unbound20:55:240
23139993429,4cyclictest17692-21kworker/u16:3+events_unbound21:00:190
23142993331,2cyclictest17692-21kworker/u16:3+events_unbound21:15:171
23142993330,3cyclictest31508-21kworker/u16:2+events_unbound21:40:241
23142993330,3cyclictest17692-21kworker/u16:3+events_unbound22:05:281
23142993329,3cyclictest17692-21kworker/u16:3+events_unbound23:05:211
23139993330,3cyclictest17692-21kworker/u16:3+events_unbound00:10:020
23139993330,3cyclictest17692-21kworker/u16:3+events_unbound00:10:020
23139993330,2cyclictest17692-21kworker/u16:3+events_unbound19:45:020
23139993329,3cyclictest31508-21kworker/u16:2+events_unbound20:10:170
23139993329,3cyclictest17692-21kworker/u16:3+events_unbound23:30:310
23139993329,3cyclictest17692-21kworker/u16:3+events_unbound20:15:230
23139993328,3cyclictest17692-21kworker/u16:3+events_unbound19:20:230
23142993229,3cyclictest17692-21kworker/u16:3+events_unbound23:30:161
23142993228,3cyclictest17692-21kworker/u16:3+events_unbound22:25:211
23139993228,3cyclictest31508-21kworker/u16:2+events_unbound22:20:120
23139993228,3cyclictest17692-21kworker/u16:3+events_unbound20:25:290
23142993126,3cyclictest31508-21kworker/u16:2+events_unbound19:50:151
23139993127,3cyclictest31508-21kworker/u16:2+events_unbound23:50:170
23139993127,3cyclictest31508-21kworker/u16:2+events_unbound21:10:010
23139993127,3cyclictest17692-21kworker/u16:3+events_unbound23:05:280
23139993127,3cyclictest17692-21kworker/u16:3+events_unbound21:55:250
23139993126,3cyclictest31508-21kworker/u16:2+events_unbound20:20:100
23139993026,3cyclictest31508-21kworker/u16:2+events_unbound21:40:010
23139993026,3cyclictest31508-21kworker/u16:2+events_unbound19:50:230
23142992926,3cyclictest17692-21kworker/u16:3+events_unbound20:15:281
23139992926,3cyclictest17692-21kworker/u16:3+events_unbound21:15:250
23139992926,2cyclictest17692-21kworker/u16:3+events_unbound22:25:290
23142992826,2cyclictest31508-21kworker/u16:2+events_unbound21:20:301
23142992824,3cyclictest17692-21kworker/u16:3+events_unbound23:20:331
23139992825,2cyclictest17692-21kworker/u16:3+events_unbound20:35:230
23139992824,3cyclictest31508-21kworker/u16:2+events_unbound21:50:220
23139992823,4cyclictest17692-21kworker/u16:3+events_unbound20:40:130
23142992723,3cyclictest31508-21kworker/u16:2+events_unbound22:10:201
23139992723,3cyclictest17692-21kworker/u16:3+events_unbound00:05:260
23139992723,3cyclictest17692-21kworker/u16:3+events_unbound00:05:250
23139992722,4cyclictest17692-21kworker/u16:3+events_unbound23:25:030
23139992522,3cyclictest17692-21kworker/u16:3+events_unbound23:40:180
23139992522,2cyclictest17692-21kworker/u16:3+events_unbound20:05:020
23142992420,3cyclictest31508-21kworker/u16:2+events_unbound22:45:211
23139992421,3cyclictest31508-21kworker/u16:2+events_unbound23:45:260
23139992319,3cyclictest17692-21kworker/u16:3+events_unbound00:15:300
2314299228,13cyclictest31508-21kworker/u16:2+events_unbound22:18:401
23139992220,2cyclictest31508-21kworker/u16:2+events_unbound22:15:190
23139992218,3cyclictest31508-21kworker/u16:2+events_unbound19:30:150
23139992218,3cyclictest31508-21kworker/u16:2+events_unbound19:30:150
23139992114,3cyclictest31508-21kworker/u16:2+events_unbound23:10:240
23139992016,3cyclictest31508-21kworker/u16:2+events_unbound23:00:200
23139992016,3cyclictest31508-21kworker/u16:2+events_unbound23:00:000
23139992016,3cyclictest17692-21kworker/u16:3+events_unbound20:00:250
2314299198,7cyclictest16067-21python321:25:321
23142991915,3cyclictest31508-21kworker/u16:2+events_unbound20:45:311
2314299186,11cyclictest17692-21kworker/u16:3+events_unbound20:26:201
2314299185,11cyclictest31508-21kworker/u16:2+events_unbound22:00:121
23142991815,2cyclictest31508-21kworker/u16:2+events_unbound19:40:151
23139991815,3cyclictest31508-21kworker/u16:2+events_unbound21:25:330
23139991814,3cyclictest17692-21kworker/u16:3+events_unbound21:05:190
23139991814,3cyclictest17692-21kworker/u16:3+events_unbound19:35:200
2314299174,8cyclictest0-21swapper/121:39:171
23139991714,3cyclictest31508-21kworker/u16:2+events_unbound19:40:260
2313999170,16cyclictest0-21swapper/022:45:140
2314299169,6cyclictest6505-21apt-get21:50:161
2314299163,8cyclictest0-21swapper/100:23:401
23139991612,3cyclictest31508-21kworker/u16:2+events_unbound00:35:140
2314299154,6cyclictest0-21swapper/122:30:511
2314299152,11cyclictest21498-21users21:00:281
23142991511,3cyclictest31508-21kworker/u16:2+events_unbound00:14:201
23142991511,3cyclictest31508-21kworker/u16:2+events_unbound00:14:201
23139991513,2cyclictest31508-21kworker/u16:2+events_unbound23:15:130
2314299143,10cyclictest4415-21diskstats19:20:121
2313999143,10cyclictest15945-21kworker/0:0+events23:35:220
2313999141,6cyclictest0-21swapper/000:26:490
23139991411,2cyclictest1153-21cron22:14:590
2313999138,4cyclictest17692-21kworker/u16:3+events_unbound21:45:130
23139991310,3cyclictest31508-21kworker/u16:2+events_unbound22:30:260
23139991310,2cyclictest17692-21kworker/u16:3+events_unbound23:55:180
2313999122,6cyclictest0-21swapper/022:50:190
2313999122,6cyclictest0-21swapper/022:39:490
2313999122,6cyclictest0-21swapper/021:24:350
2313999122,6cyclictest0-21swapper/020:46:460
2313999122,6cyclictest0-21swapper/000:30:400
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13138270,5sleep30-21swapper/322:55:023
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7295260,4sleep30-21swapper/322:50:133
6881260,4sleep30-21swapper/322:20:113
6811260,2sleep30-21swapper/322:47:053
5453260,4sleep30-21swapper/320:50:023
4875260,2sleep30-21swapper/320:48:253
3545260,4sleep30-21swapper/322:15:223
29111260,4sleep30-21swapper/323:35:223
27278260,4sleep30-21swapper/300:35:143
22119260,4sleep30-21swapper/321:05:133
21182260,4sleep30-21swapper/320:35:113
19762260,4sleep30-21swapper/323:30:173
15207260,4sleep30-21swapper/323:55:023
11131260,4sleep30-21swapper/320:55:153
none17:20:355
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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