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2026-08-23 - 21:25

OSADL QA Farm on Real-time of Mainline Linux

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

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot5s.osadl.org (updated Sun Aug 23, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2469999270,26cyclictest0-21swapper/009:22:560
2469999270,23cyclictest18461-21diskmemload12:15:190
2470499260,22cyclictest11914-21sh11:57:582
24699992623,3cyclictest18461-21diskmemload12:09:160
24699992621,4cyclictest22472-21ssh11:09:310
24699992621,4cyclictest18461-21diskmemload10:49:360
2469999260,25cyclictest0-21swapper/010:10:430
2469999260,1cyclictest0-21swapper/011:20:320
24704992520,4cyclictest0-21swapper/212:07:022
24704992520,4cyclictest0-21swapper/209:41:182
2470199250,24cyclictest0-21swapper/109:40:331
24699992523,1cyclictest28209-21ssh12:12:100
24699992523,1cyclictest0-21swapper/007:25:010
24699992521,3cyclictest2463-21ssh09:52:340
24699992519,5cyclictest13875-21ssh12:00:010
2469999250,25cyclictest0-21swapper/010:30:090
2469999250,24cyclictest0-21swapper/010:15:270
2469999250,1cyclictest14540-21ssh10:03:150
24709992424,0cyclictest0-21swapper/312:31:453
2470999240,23cyclictest0-21swapper/312:13:143
24704992422,0cyclictest0-21swapper/212:21:132
2470499240,23cyclictest26897-21apt10:15:002
2470499240,23cyclictest0-21swapper/209:47:162
24701992423,1cyclictest6775-21perf07:40:001
24701992422,1cyclictest0-21swapper/112:24:011
24701992422,1cyclictest0-21swapper/111:51:201
2470199240,3cyclictest7005-21munin-run11:25:011
2470199240,24cyclictest0-21swapper/112:11:271
2470199240,24cyclictest0-21swapper/110:20:151
2470199240,24cyclictest0-21swapper/109:26:441
2470199240,23cyclictest6239-21cstates10:25:291
2470199240,23cyclictest0-21swapper/111:46:211
2470199240,1cyclictest0-21swapper/109:35:191
2470199240,0cyclictest18461-21diskmemload12:16:351
2470199240,0cyclictest0-21swapper/112:26:321
24699992423,1cyclictest24649-21sh10:40:490
2469999242,1cyclictest62550irq/127-eno109:12:510
24699992421,3cyclictest0-21swapper/011:10:470
24699992419,4cyclictest13286-21ssh12:28:000
2469999240,24cyclictest0-21swapper/010:57:310
2469999240,24cyclictest0-21swapper/010:35:120
2469999240,23cyclictest7040-21ssh12:22:380
2469999240,23cyclictest0-21swapper/009:26:060
2469999240,21cyclictest0-21swapper/011:58:370
2469999240,0cyclictest0-21swapper/012:38:240
2469999240,0cyclictest0-21swapper/011:51:350
2469999240,0cyclictest0-21swapper/011:33:570
2469999240,0cyclictest0-21swapper/009:43:330
24709992323,0cyclictest18461-21diskmemload11:57:203
24709992323,0cyclictest18461-21diskmemload11:42:083
24709992323,0cyclictest0-21swapper/312:38:123
24709992323,0cyclictest0-21swapper/312:24:173
24709992323,0cyclictest0-21swapper/312:02:203
24709992321,1cyclictest362-21ssh12:15:593
2470999230,2cyclictest5056-21expr09:55:283
2470999230,23cyclictest18461-21diskmemload10:10:423
2470999230,23cyclictest0-21swapper/310:30:303
2470999230,23cyclictest0-21swapper/309:47:163
2470999230,23cyclictest0-21swapper/309:44:553
2470999230,23cyclictest0-21swapper/309:12:303
2470999230,22cyclictest5225-21sh11:51:253
2470999230,22cyclictest3398-21ssh09:53:523
2470999230,22cyclictest31353-21ssh10:47:233
2470999230,22cyclictest24935-21sh09:15:123
2470999230,22cyclictest20541-21ssh11:35:513
2470999230,22cyclictest1865-21basename07:30:003
2470999230,22cyclictest18461-21diskmemload11:49:543
2470999230,1cyclictest5128-21ssh10:24:333
2470999230,0cyclictest0-21swapper/311:34:063
2470999230,0cyclictest0-21swapper/310:59:233
24704992323,0cyclictest18461-21diskmemload12:31:452
24704992323,0cyclictest0-21swapper/212:38:122
24704992323,0cyclictest0-21swapper/212:02:202
24704992322,1cyclictest25389-21ssh11:10:502
24704992322,1cyclictest18461-21diskmemload11:22:452
24704992322,1cyclictest18461-21diskmemload10:51:072
24704992322,0cyclictest0-21swapper/212:19:082
24704992321,1cyclictest5374-21perf10:25:012
24704992321,1cyclictest28738-21munin-node11:41:102
24704992321,1cyclictest0-21swapper/212:25:282
24704992321,1cyclictest0-21swapper/209:17:502
24704992319,3cyclictest0-21swapper/212:10:282
2470499230,23cyclictest18461-21diskmemload10:30:302
2470499230,22cyclictest7070-21apt-get07:40:272
2470499230,22cyclictest6969-21sh09:27:532
2470499230,22cyclictest18579-21ssh11:05:312
2470499230,22cyclictest0-21swapper/210:45:172
2470499230,22cyclictest0-21swapper/209:55:102
2470499230,22cyclictest0-21swapper/209:50:282
2470499230,22cyclictest0-21swapper/208:10:282
2470499230,1cyclictest8833-21perf08:50:012
2470499230,0cyclictest0-21swapper/210:59:232
2470499230,0cyclictest0-21swapper/210:36:542
2470499230,0cyclictest0-21swapper/209:10:062
24701992323,0cyclictest0-21swapper/112:06:461
24701992323,0cyclictest0-21swapper/112:03:131
24701992323,0cyclictest0-21swapper/111:37:241
24701992323,0cyclictest0-21swapper/111:00:521
24701992323,0cyclictest0-21swapper/110:30:071
24701992323,0cyclictest0-21swapper/109:47:171
24701992322,1cyclictest31713-21apt-get09:50:281
24701992322,1cyclictest0-21swapper/111:25:041
24701992322,1cyclictest0-21swapper/109:32:501
24701992321,1cyclictest6825-21ssh10:55:281
24701992321,1cyclictest28244-21apt-get10:45:271
24701992321,1cyclictest0-21swapper/110:43:371
2470199230,22cyclictest25675-21sendmail12:40:001
2470199230,22cyclictest21241-21sh09:10:581
2470199230,0cyclictest0-21swapper/112:30:571
2470199230,0cyclictest0-21swapper/111:44:081
2470199230,0cyclictest0-21swapper/111:34:511
2470199230,0cyclictest0-21swapper/110:36:321
2470199230,0cyclictest0-21swapper/109:22:081
24699992322,1cyclictest18461-21diskmemload11:40:500
24699992321,1cyclictest32601-21ssh11:18:200
24699992321,1cyclictest0-21swapper/010:06:100
24699992320,2cyclictest28849-21perf08:25:000
24699992319,3cyclictest11817-21ssh11:29:160
24699992319,3cyclictest0-21swapper/011:46:200
2469999230,23cyclictest0-21swapper/012:32:470
2469999230,23cyclictest0-21swapper/011:35:370
2469999230,22cyclictest9085-21ssh09:59:040
2469999230,0cyclictest18461-21diskmemload10:25:120
2469999230,0cyclictest0-21swapper/011:02:000
2469999230,0cyclictest0-21swapper/009:35:150
2469999230,0cyclictest0-21swapper/009:15:210
24709992221,1cyclictest8793-21apt-get12:25:023
24709992220,2cyclictest7048-21sh09:27:593
24709992220,1cyclictest9934-21ssh11:26:273
2470999220,22cyclictest18461-21diskmemload10:50:393
2470999220,22cyclictest0-21swapper/312:05:403
2470999220,22cyclictest0-21swapper/311:15:053
2470999220,22cyclictest0-21swapper/308:10:283
2470999220,21cyclictest2031-21apt-get11:20:303
2470999220,21cyclictest18710-21ssh10:06:183
2470999220,21cyclictest18461-21diskmemload11:10:383
2470999220,21cyclictest14047-21apt-get09:35:023
2470999220,21cyclictest0-21swapper/310:15:153
2470999220,1cyclictest8218-21sh10:26:073
2470999220,1cyclictest11066-21ssh09:30:513
2470999220,0cyclictest0-21swapper/310:40:323
24704992222,0cyclictest0-21swapper/210:40:322
24704992222,0cyclictest0-21swapper/210:15:042
24704992220,1cyclictest0-21swapper/209:30:312
24704992220,1cyclictest0-21swapper/209:21:022
24704992218,4cyclictest0-21swapper/211:25:322
2470499220,22cyclictest0-21swapper/211:15:052
2470499220,21cyclictest27351-21apt-get07:15:262
2470499220,21cyclictest1838-21cron07:30:002
2470499220,21cyclictest16805-21idleruntime-cro08:00:012
2470499220,21cyclictest14688-21ssh09:35:022
2470499220,21cyclictest10742-21apt-get10:00:282
2470499220,21cyclictest0-21swapper/211:50:292
2470499220,21cyclictest0-21swapper/211:35:012
2470499220,21cyclictest0-21swapper/211:30:272
2470499220,21cyclictest0-21swapper/207:10:252
2470499220,1cyclictest0-21swapper/211:46:322
2470499220,1cyclictest0-21swapper/210:26:072
24701992222,0cyclictest0-21swapper/110:01:301
24701992221,1cyclictest17821-21apt-get11:05:281
24701992221,1cyclictest0-21swapper/109:55:441
24701992220,1cyclictest0-21swapper/111:12:291
24701992220,1cyclictest0-21swapper/110:05:041
2470199220,2cyclictest4238-21cron07:35:001
2470199220,21cyclictest0-21swapper/111:15:021
2470199220,21cyclictest0-21swapper/110:53:281
2470199220,21cyclictest0-21swapper/110:15:071
2470199220,21cyclictest0-21swapper/109:15:191
2470199220,21cyclictest0-21swapper/108:05:271
2470199220,1cyclictest0-21swapper/110:10:141
24699992222,0cyclictest0-21swapper/009:46:490
24699992220,2cyclictest0-21swapper/009:32:240
24699992220,1cyclictest313-21systemd-journal07:55:000
24699992220,1cyclictest14705-21apt-get07:55:270
2469999220,21cyclictest6717-21apt-get08:45:270
2469999220,21cyclictest4178-21ssh10:52:070
2469999220,21cyclictest0-21swapper/008:40:020
2469999220,21cyclictest0-21swapper/008:05:010
2469999220,1cyclictest18493-21ssh09:10:000
24709992121,0cyclictest0-21swapper/311:00:073
24709992120,1cyclictest4552-21apt-get07:35:283
24709992120,0cyclictest29774-21apt-get07:20:283
24709992119,1cyclictest11213-21turbostat08:55:013
24709992119,1cyclictest10447-21ssh10:00:023
2470999210,21cyclictest0-21swapper/310:35:453
2470999210,21cyclictest0-21swapper/309:21:013
2470999210,21cyclictest0-21swapper/307:50:283
2470999210,1cyclictest16838-21perf08:00:013
2470999210,0cyclictest0-21swapper/311:05:313
24704992121,0cyclictest0-21swapper/211:00:072
24704992120,0cyclictest0-21swapper/207:35:282
24704992119,1cyclictest24305-21apt-get08:15:262
24704992119,1cyclictest11215-21cron08:55:012
2470499210,20cyclictest0-21swapper/210:05:162
2470499210,20cyclictest0-21swapper/208:55:262
24701992119,1cyclictest0-21swapper/111:55:011
2470199210,21cyclictest0-21swapper/107:55:261
2470199210,20cyclictest0-21swapper/107:10:251
2470199210,1cyclictest152491phc2sys08:40:001
2470199210,0cyclictest29127-21apt-get08:25:271
24699992121,0cyclictest0-21swapper/008:30:250
24699992120,0cyclictest0-21swapper/007:45:020
24709992020,0cyclictest26733-21apt-get08:20:283
24709992020,0cyclictest0-21swapper/308:05:273
24709992017,2cyclictest1225-21munin-plugin-st08:35:003
2470999200,20cyclictest0-21swapper/307:10:253
2470999200,0cyclictest0-21swapper/308:55:263
2470999200,0cyclictest0-21swapper/308:25:273
2470999200,0cyclictest0-21swapper/307:15:263
24704992020,0cyclictest19515-21apt-get08:05:272
24704992020,0cyclictest0-21swapper/207:20:282
24704992019,0cyclictest17124-21apt-get08:00:282
24701992020,0cyclictest0-21swapper/108:55:261
24701992020,0cyclictest0-21swapper/107:45:251
24701992020,0cyclictest0-21swapper/107:20:271
24701992019,0cyclictest0-21swapper/108:30:251
24701992018,1cyclictest313-21systemd-journal09:05:001
2470199200,0cyclictest0-21swapper/109:05:271
2470199200,0cyclictest0-21swapper/107:15:271
24699992020,0cyclictest9113-21apt-get08:50:280
24699992020,0cyclictest0-21swapper/008:35:280
24699992020,0cyclictest0-21swapper/008:05:260
24709991919,0cyclictest0-21swapper/308:15:263
24709991919,0cyclictest0-21swapper/308:00:283
24709991918,1cyclictest4257-21apt-get08:40:023
24704991919,0cyclictest0-21swapper/208:25:272
24701991919,0cyclictest0-21swapper/108:00:281
24701991918,1cyclictest32172-21apt-get07:25:281
24699991919,0cyclictest0-21swapper/008:25:270
24699991917,1cyclictest6784-21idleruntime-cro07:40:000
24699991916,3cyclictest0-21swapper/007:40:270
24709991817,1cyclictest2153-21apt-get07:30:263
24704991818,0cyclictest0-21swapper/208:40:022
24701991817,1cyclictest8813-21turbostat08:50:011
24699991818,0cyclictest27351-21apt-get07:15:270
24699991818,0cyclictest0-21swapper/009:00:010
24699991818,0cyclictest0-21swapper/007:25:280
24709991716,1cyclictest0-21swapper/307:40:273
24704991717,0cyclictest0-21swapper/207:30:262
24704991716,0cyclictest31520-21apt-get08:30:252
24701991716,0cyclictest0-21swapper/108:50:281
24699991717,0cyclictest0-21swapper/008:15:260
24704991616,0cyclictest1501-21apt-get08:35:282
24701991616,0cyclictest0-21swapper/108:15:261
24701991615,0cyclictest0-21swapper/108:40:021
2470199160,1cyclictest0-21swapper/107:55:011
2470199160,15cyclictest28074-21mailstats08:20:361
24699991616,0cyclictest0-21swapper/009:05:000
24699991614,1cyclictest0-21swapper/007:10:290
24709991515,0cyclictest0-21swapper/308:35:283
2470999150,15cyclictest11998-21sh07:50:003
24704991513,1cyclictest0-21swapper/207:50:292
2470499150,14cyclictest0-21swapper/209:00:172
24701991515,0cyclictest9168-21apt-get07:45:001
24709991414,0cyclictest0-21swapper/308:45:273
2470999140,14cyclictest0-21swapper/309:06:133
2470999140,0cyclictest0-21swapper/309:00:173
2470499140,14cyclictest0-21swapper/209:06:132
2470499140,14cyclictest0-21swapper/207:47:142
2470499140,0cyclictest0-21swapper/208:20:002
24701991414,0cyclictest0-21swapper/108:10:241
24699991414,0cyclictest0-21swapper/008:11:190
2469999140,0cyclictest0-21swapper/007:31:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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