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2026-04-07 - 22:00

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 792 highest latencies:
System rackeslot5s.osadl.org (updated Tue Apr 07, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4847992619,2cyclictest28195-21rm12:17:542
484599260,24cyclictest7288-21sh09:50:030
484999250,24cyclictest20119-21apt-get11:39:023
4847992523,1cyclictest882-21rm11:50:042
4847992523,1cyclictest0-21swapper/209:49:332
4847992520,4cyclictest0-21swapper/210:47:042
484699250,24cyclictest0-21swapper/111:37:421
484599250,1cyclictest30624-21diskmemload09:55:300
484999242,21cyclictest25683-21sh11:11:543
4847992423,1cyclictest0-21swapper/209:27:032
484799240,24cyclictest30624-21diskmemload09:40:142
484799240,23cyclictest10250-21ssh11:59:102
484799240,23cyclictest0-21swapper/209:55:292
484799240,1cyclictest29961-21apt-get08:04:002
4846992423,1cyclictest607-21in:imuxsock07:55:011
4846992423,1cyclictest0-21swapper/111:45:581
484699240,24cyclictest0-21swapper/112:25:461
484699240,23cyclictest0-21swapper/110:27:101
484699240,23cyclictest0-21swapper/110:09:101
484699240,0cyclictest0-21swapper/110:34:111
4845992423,1cyclictest30624-21diskmemload11:37:060
484599240,24cyclictest30624-21diskmemload10:55:100
484599240,24cyclictest11853-21kworker/0:010:08:110
484599240,24cyclictest0-21swapper/012:14:270
484599240,24cyclictest0-21swapper/009:21:590
4849992323,0cyclictest0-21swapper/312:18:373
4849992323,0cyclictest0-21swapper/309:35:083
4849992321,1cyclictest18588-21apt-get10:34:003
4849992321,1cyclictest0-21swapper/312:21:363
484999230,23cyclictest0-21swapper/312:32:483
484999230,23cyclictest0-21swapper/310:58:553
484999230,23cyclictest0-21swapper/310:24:213
484999230,23cyclictest0-21swapper/310:05:323
484999230,23cyclictest0-21swapper/309:25:513
484999230,22cyclictest29342-21sh11:46:583
484999230,22cyclictest26718-21sh10:40:423
484999230,22cyclictest2622-21sh09:46:223
484999230,22cyclictest22203-21sh12:11:313
484999230,22cyclictest12846-21ssh10:27:573
484999230,0cyclictest0-21swapper/312:35:403
484999230,0cyclictest0-21swapper/310:38:543
484999230,0cyclictest0-21swapper/309:18:413
4847992323,0cyclictest0-21swapper/211:07:132
4847992321,1cyclictest0-21swapper/212:11:482
4847992321,0cyclictest0-21swapper/210:44:402
4847992320,2cyclictest622-21gdbus08:20:002
484799231,21cyclictest609-21rs:main2
484799230,23cyclictest30624-21diskmemload11:47:072
484799230,23cyclictest0-21swapper/210:59:022
484799230,22cyclictest31887-21ssh09:11:372
484799230,22cyclictest30624-21diskmemload11:44:022
484799230,22cyclictest30402-21sh11:16:162
484799230,22cyclictest0-21swapper/210:11:142
484799230,0cyclictest30624-21diskmemload12:30:452
484799230,0cyclictest0-21swapper/212:29:162
484799230,0cyclictest0-21swapper/210:28:172
4846992323,0cyclictest30624-21diskmemload11:33:551
4846992323,0cyclictest30624-21diskmemload11:14:001
4846992323,0cyclictest0-21swapper/111:50:381
4846992323,0cyclictest0-21swapper/110:37:161
4846992323,0cyclictest0-21swapper/110:13:241
4846992322,0cyclictest4055-21ssh10:50:021
4846992320,2cyclictest7048-21runrttasks11:56:491
484699230,23cyclictest0-21swapper/109:43:491
484699230,23cyclictest0-21swapper/109:21:551
484699230,22cyclictest9535-21sh09:53:421
484699230,22cyclictest16067-21ls12:05:011
484699230,22cyclictest1164-21sh10:15:331
484699230,22cyclictest0-21swapper/109:11:001
484699230,1cyclictest0-21swapper/109:35:071
484699230,0cyclictest0-21swapper/112:30:521
484699230,0cyclictest0-21swapper/111:07:091
484699230,0cyclictest0-21swapper/110:21:141
484699230,0cyclictest0-21swapper/109:47:281
4845992323,0cyclictest0-21swapper/012:39:430
4845992323,0cyclictest0-21swapper/012:25:260
4845992322,1cyclictest16029-21ssh12:05:000
4845992321,1cyclictest6905-21sh10:21:390
4845992320,2cyclictest26519-21ssh12:15:160
484599230,2cyclictest26618-21sh09:39:010
484599230,2cyclictest17609-21sh11:04:030
484599230,23cyclictest30624-21diskmemload10:45:270
484599230,23cyclictest0-21swapper/011:41:410
484599230,23cyclictest0-21swapper/011:23:220
484599230,23cyclictest0-21swapper/010:40:480
484599230,22cyclictest30624-21diskmemload11:30:270
484599230,22cyclictest14505-21ssh09:26:040
484599230,22cyclictest0-21swapper/011:54:240
484599230,0cyclictest30624-21diskmemload10:02:560
484599230,0cyclictest0-21swapper/010:11:190
4849992222,0cyclictest0-21swapper/311:55:513
4849992222,0cyclictest0-21swapper/311:17:413
4849992222,0cyclictest0-21swapper/309:32:173
4849992222,0cyclictest0-21swapper/309:20:183
4849992221,1cyclictest1828-21ssh10:16:403
4849992221,0cyclictest0-21swapper/312:09:023
4849992220,1cyclictest25810-21cron09:00:003
4849992220,1cyclictest11746-21ssh12:00:563
484999220,22cyclictest0-21swapper/311:02:453
484999220,22cyclictest0-21swapper/310:54:253
484999220,21cyclictest4167-21apt08:15:003
484999220,21cyclictest31784-21latency_hist08:05:003
484999220,21cyclictest0-21swapper/311:40:313
484999220,21cyclictest0-21swapper/311:21:333
484999220,1cyclictest9097-21ssh11:27:423
484999220,1cyclictest28697-21ssh10:10:563
484999220,1cyclictest13257-21ssh11:31:123
484999220,0cyclictest0-21swapper/309:51:443
484999220,0cyclictest0-21swapper/309:10:213
4847992222,0cyclictest30624-21diskmemload12:07:562
4847992222,0cyclictest30624-21diskmemload10:16:472
4847992220,1cyclictest30624-21diskmemload10:02:032
4847992218,0cyclictest0-21swapper/210:07:442
484799220,22cyclictest0-21swapper/211:10:302
484799220,22cyclictest0-21swapper/210:35:192
484799220,21cyclictest7660-21ssh11:25:252
484799220,21cyclictest6085-21sh10:20:182
484799220,21cyclictest4725-21diskmemload09:16:562
484799220,21cyclictest4292-21ssh10:50:232
484799220,21cyclictest30624-21diskmemload12:35:492
484799220,21cyclictest19934-21ssh09:31:382
484799220,21cyclictest0-21swapper/211:32:592
484799220,21cyclictest0-21swapper/209:20:432
484799220,1cyclictest27546-21apt-get07:59:012
484799220,1cyclictest24058-21ssh09:35:052
484799220,1cyclictest14515-21grep12:04:042
484799220,1cyclictest0-21swapper/211:20:082
484799220,1cyclictest0-21swapper/210:31:522
4846992222,0cyclictest0-21swapper/111:15:501
4846992221,1cyclictest0-21swapper/109:55:251
4846992220,1cyclictest7567-21sh11:25:171
4846992220,1cyclictest622-21gdbus08:20:001
4846992220,1cyclictest0-21swapper/110:56:071
484699220,21cyclictest30656-21munin-run09:10:001
484699220,21cyclictest30624-21diskmemload12:15:221
484699220,21cyclictest12076-21turbostat07:25:001
484699220,21cyclictest0-21swapper/112:20:091
484699220,21cyclictest0-21swapper/112:10:201
484699220,21cyclictest0-21swapper/111:20:301
484699220,21cyclictest0-21swapper/110:41:191
484699220,21cyclictest0-21swapper/109:32:511
484699220,21cyclictest0-21swapper/107:34:001
484699220,21cyclictest0-21swapper/107:19:001
484699220,1cyclictest22980-21readlink11:40:011
484699220,1cyclictest17089-21sh12:06:241
484699220,1cyclictest13960-21ssh09:25:151
484699220,1cyclictest0-21swapper/112:35:361
484699220,1cyclictest0-21swapper/110:49:331
484699220,0cyclictest0-21swapper/111:00:371
4845992222,0cyclictest0-21swapper/011:13:220
4845992222,0cyclictest0-21swapper/010:50:480
4845992222,0cyclictest0-21swapper/010:30:390
4845992221,1cyclictest9253-21ssh11:28:050
4845992221,1cyclictest30624-21diskmemload10:35:310
4845992220,1cyclictest16886-21wc07:35:000
4845992220,1cyclictest0-21swapper/009:32:190
484599221,21cyclictest62550irq/127-eno112:20:400
484599221,1cyclictest24577-21turbostat07:50:010
484599220,22cyclictest21000-21sh11:07:340
484599220,22cyclictest12549-21ssh12:34:040
484599220,22cyclictest0-21swapper/009:15:040
484599220,21cyclictest31026-21ssh09:10:200
484599220,21cyclictest30624-21diskmemload10:26:120
484599220,21cyclictest21067-21munin-plugin-st12:10:000
484599220,1cyclictest30524-21ssh11:48:540
484599220,1cyclictest29410-21perf08:00:010
484599220,1cyclictest2242-21ssh10:17:160
484599220,0cyclictest0-21swapper/011:55:190
484599220,0cyclictest0-21swapper/011:19:120
484599220,0cyclictest0-21swapper/009:44:480
4849992121,0cyclictest0-21swapper/312:25:323
4849992121,0cyclictest0-21swapper/311:05:173
4849992120,1cyclictest31627-21sh10:45:213
4849992120,1cyclictest16822-21seq08:44:003
484999210,21cyclictest30624-21diskmemload10:00:253
484999210,21cyclictest0-21swapper/311:50:333
484999210,21cyclictest0-21swapper/309:41:353
484999210,20cyclictest15044-21apt-get07:34:013
484999210,20cyclictest0-21swapper/309:55:023
484999210,20cyclictest0-21swapper/307:43:593
484999210,0cyclictest12642-21apt-get07:28:593
4847992119,1cyclictest25867-21awk09:00:002
484799210,20cyclictest28268-21munin-plugin-st09:05:002
484799210,20cyclictest19957-21apt-get07:43:592
484799210,1cyclictest0-21swapper/212:21:232
484799210,1cyclictest0-21swapper/211:00:282
484799210,0cyclictest0-21swapper/211:37:532
484699210,21cyclictest0-21swapper/109:15:181
484699210,0cyclictest0-21swapper/107:59:011
4845992121,0cyclictest0-21swapper/007:43:590
4845992121,0cyclictest0-21swapper/007:39:010
4845992120,1cyclictest32354-21apt-get08:09:010
484599210,0cyclictest0-21swapper/008:14:010
484999200,20cyclictest0-21swapper/308:39:013
484999200,19cyclictest21608-21apt-get08:53:593
484999200,0cyclictest0-21swapper/308:33:593
484999200,0cyclictest0-21swapper/307:13:593
4847992020,0cyclictest0-21swapper/208:39:012
4847992020,0cyclictest0-21swapper/208:23:592
4847992020,0cyclictest0-21swapper/207:48:582
4847992018,1cyclictest26983-21perf07:55:012
4846992020,0cyclictest7159-21apt-get08:23:591
4846992020,0cyclictest2339-21apt-get08:14:011
4846992020,0cyclictest0-21swapper/108:44:001
4846992020,0cyclictest0-21swapper/108:29:001
4846992018,2cyclictest21791-21apt-get07:45:021
484699200,20cyclictest0-21swapper/108:09:011
484699200,0cyclictest0-21swapper/108:39:011
4845992020,0cyclictest0-21swapper/009:04:000
4845992020,0cyclictest0-21swapper/008:53:590
4845992020,0cyclictest0-21swapper/007:28:590
4849991919,0cyclictest0-21swapper/309:09:003
4849991919,0cyclictest0-21swapper/307:59:013
4849991918,1cyclictest12077-21perf07:25:003
4847991919,0cyclictest0-21swapper/207:13:592
4846991919,0cyclictest19212-21apt-get08:48:591
4846991919,0cyclictest0-21swapper/108:54:001
4846991919,0cyclictest0-21swapper/108:33:591
4846991919,0cyclictest0-21swapper/107:43:591
4846991919,0cyclictest0-21swapper/107:13:591
4845991919,0cyclictest4734-21apt-get08:19:000
4845991919,0cyclictest0-21swapper/008:58:580
4849991818,0cyclictest0-21swapper/308:48:593
4849991818,0cyclictest0-21swapper/307:45:023
4849991818,0cyclictest0-21swapper/307:19:003
4847991818,0cyclictest0-21swapper/207:28:592
4845991818,0cyclictest0-21swapper/008:48:590
4845991818,0cyclictest0-21swapper/008:44:000
4845991818,0cyclictest0-21swapper/008:29:000
4849991717,0cyclictest0-21swapper/308:23:593
4849991717,0cyclictest0-21swapper/308:19:003
4847991717,0cyclictest0-21swapper/208:48:592
4847991717,0cyclictest0-21swapper/208:14:012
4846991716,0cyclictest0-21swapper/108:58:581
4845991717,0cyclictest0-21swapper/007:54:010
4849991616,0cyclictest0-21swapper/307:54:003
4847991616,0cyclictest0-21swapper/207:19:002
4845991616,0cyclictest0-21swapper/008:23:590
4845991616,0cyclictest0-21swapper/008:04:000
4845991615,1cyclictest0-21swapper/007:19:000
4847991515,0cyclictest0-21swapper/209:09:002
484799150,1cyclictest32354-21apt-get08:09:012
4846991513,2cyclictest19393-21perf07:40:011
4845991514,1cyclictest619-21polkitd09:10:000
484999140,14cyclictest0-21swapper/308:25:503
484999140,14cyclictest0-21swapper/307:35:583
4847991414,0cyclictest0-21swapper/208:26:222
484799140,14cyclictest0-21swapper/208:40:362
484799140,14cyclictest0-21swapper/208:31:002
484799140,14cyclictest0-21swapper/207:38:002
484799140,14cyclictest0-21swapper/207:30:352
484799140,14cyclictest0-21swapper/207:20:142
4846991414,0cyclictest0-21swapper/107:25:111
484699140,14cyclictest0-21swapper/108:00:191
4845991414,0cyclictest0-21swapper/008:35:290
4845991414,0cyclictest0-21swapper/007:10:510
484599140,14cyclictest0-21swapper/007:20:100
484599140,0cyclictest0-21swapper/008:30:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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