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2026-08-29 - 19:29

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 all highest latencies:
System rackeslot5s.osadl.org (updated Sat Aug 29, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9877992523,1cyclictest3615-21diskmemload10:35:323
9871992524,1cyclictest0-21swapper/109:45:551
987199250,24cyclictest3615-21diskmemload11:50:551
987199250,1cyclictest0-21swapper/109:33:111
9867992523,1cyclictest0-21swapper/010:35:000
986799250,24cyclictest17367-21apt-get07:25:580
986799250,24cyclictest0-21swapper/011:54:060
986799250,24cyclictest0-21swapper/011:46:430
9877992424,0cyclictest0-21swapper/309:40:343
9877992420,3cyclictest32317-21apt-get07:55:573
987799240,24cyclictest0-21swapper/312:00:573
987799240,23cyclictest3615-21diskmemload09:50:573
987799240,23cyclictest3615-21diskmemload09:50:573
987799240,1cyclictest29864-21cron11:00:003
9874992421,2cyclictest15299-21cstates11:16:002
9874992420,2cyclictest19402-21sh12:16:512
987499240,24cyclictest0-21swapper/210:35:572
987499240,23cyclictest0-21swapper/212:20:012
987499240,1cyclictest14275-21munin-run11:15:002
9871992423,1cyclictest0-21swapper/110:52:281
987199240,23cyclictest5916-21sh12:05:321
987199240,23cyclictest0-21swapper/111:46:171
987199240,1cyclictest0-21swapper/112:39:531
987199240,0cyclictest1932-21ssh10:35:041
987199240,0cyclictest0-21swapper/109:14:241
9867992424,0cyclictest0-21swapper/011:23:100
9867992423,1cyclictest24384-21ssh09:27:370
9867992422,1cyclictest62550irq/127-eno109:15:010
9867992422,1cyclictest0-21swapper/011:14:320
986799240,23cyclictest0-21swapper/010:38:180
9877992323,0cyclictest0-21swapper/312:32:373
9877992323,0cyclictest0-21swapper/311:56:173
9877992323,0cyclictest0-21swapper/311:07:313
9877992323,0cyclictest0-21swapper/310:41:243
9877992320,2cyclictest461-21cron12:30:013
9877992320,2cyclictest1626-21ssh11:31:333
987799230,2cyclictest19165-21ssh12:16:333
987799230,23cyclictest0-21swapper/310:49:453
987799230,23cyclictest0-21swapper/309:20:473
987799230,23cyclictest0-21swapper/309:18:223
987799230,22cyclictest3615-21diskmemload12:12:193
987799230,22cyclictest3615-21diskmemload12:12:193
987799230,22cyclictest30550-21ssh11:00:383
987799230,22cyclictest26215-21apt-get11:25:573
987799230,22cyclictest24608-21sh12:21:213
987799230,22cyclictest20202-21diskmemload10:21:183
987799230,22cyclictest0-21swapper/310:19:323
987799230,22cyclictest0-21swapper/308:15:003
987799230,0cyclictest0-21swapper/311:15:223
9874992323,0cyclictest3615-21diskmemload10:30:522
9874992323,0cyclictest3615-21diskmemload10:24:282
9874992320,2cyclictest27834-21ssh10:57:062
9874992320,2cyclictest0-21swapper/211:36:592
987499230,3cyclictest0-21swapper/211:46:472
987499230,2cyclictest12215-21ssh10:15:182
987499230,23cyclictest3615-21diskmemload09:10:172
987499230,23cyclictest0-21swapper/211:53:592
987499230,23cyclictest0-21swapper/211:23:002
987499230,23cyclictest0-21swapper/209:56:412
987499230,23cyclictest0-21swapper/209:19:382
987499230,22cyclictest6366-21ssh11:06:582
987499230,22cyclictest10351-21sh10:41:092
987499230,1cyclictest3615-21diskmemload09:44:312
987499230,1cyclictest0-21swapper/209:30:002
987499230,0cyclictest3615-21diskmemload12:09:062
987499230,0cyclictest3615-21diskmemload11:43:042
987499230,0cyclictest13989-21ssh12:11:502
987499230,0cyclictest13989-21ssh12:11:502
987499230,0cyclictest13568-21ssh09:47:052
987499230,0cyclictest0-21swapper/210:10:052
9871992323,0cyclictest3615-21diskmemload11:21:411
9871992323,0cyclictest0-21swapper/111:56:281
9871992323,0cyclictest0-21swapper/110:12:161
9871992323,0cyclictest0-21swapper/109:35:201
9871992321,1cyclictest664-21ssh11:01:391
9871992321,1cyclictest3642-21perf09:10:011
9871992321,1cyclictest12380-21ssh10:15:311
9871992321,1cyclictest0-21swapper/112:15:071
9871992320,2cyclictest26402-21turbostat08:50:001
9871992320,2cyclictest2310-21ssh10:06:001
987199230,23cyclictest0-21swapper/112:11:271
987199230,23cyclictest0-21swapper/112:11:271
987199230,23cyclictest0-21swapper/111:42:361
987199230,23cyclictest0-21swapper/110:31:441
987199230,23cyclictest0-21swapper/110:02:321
987199230,22cyclictest26611-21ssh10:56:051
987199230,22cyclictest24844-21ssh09:28:121
987199230,22cyclictest0-21swapper/111:35:461
987199230,22cyclictest0-21swapper/111:15:281
987199230,22cyclictest0-21swapper/110:40:201
987199230,1cyclictest0-21swapper/112:25:591
987199230,0cyclictest0-21swapper/111:26:181
987199230,0cyclictest0-21swapper/109:55:451
9867992323,0cyclictest3615-21diskmemload12:29:310
9867992323,0cyclictest0-21swapper/011:43:440
9867992323,0cyclictest0-21swapper/010:46:090
9867992323,0cyclictest0-21swapper/010:15:560
9867992321,1cyclictest0-21swapper/011:39:100
9867992321,1cyclictest0-21swapper/010:55:320
9867992321,1cyclictest0-21swapper/010:02:300
9867992321,1cyclictest0-21swapper/009:56:580
9867992321,1cyclictest0-21swapper/009:45:560
986799231,21cyclictest62550irq/127-eno112:36:120
986799230,23cyclictest0-21swapper/012:34:530
986799230,23cyclictest0-21swapper/012:15:060
986799230,23cyclictest0-21swapper/012:07:490
986799230,23cyclictest0-21swapper/012:01:100
986799230,23cyclictest0-21swapper/008:20:560
986799230,22cyclictest774-21runrttasks09:15:170
986799230,22cyclictest0-21swapper/012:20:190
986799230,22cyclictest0-21swapper/010:06:410
986799230,1cyclictest3965-21apt11:05:580
986799230,0cyclictest0-21swapper/011:55:540
986799230,0cyclictest0-21swapper/010:50:350
9877992222,0cyclictest0-21swapper/312:37:563
9877992222,0cyclictest0-21swapper/311:11:383
9877992222,0cyclictest0-21swapper/309:27:523
9877992220,1cyclictest4370-21awk08:05:003
9877992220,1cyclictest32743-21apt-get10:05:023
9877992220,1cyclictest21676-21rm10:51:233
9877992220,1cyclictest0-21swapper/311:22:073
9877992220,1cyclictest0-21swapper/310:26:003
9877992220,1cyclictest0-21swapper/309:56:033
9877992220,1cyclictest0-21swapper/309:46:003
9877992220,1cyclictest0-21swapper/309:35:013
9877992220,1cyclictest0-21swapper/307:30:033
987799220,22cyclictest5290-21expr09:11:003
987799220,22cyclictest28931-21ssh10:30:183
987799220,22cyclictest0-21swapper/311:53:173
987799220,21cyclictest3615-21diskmemload12:05:053
987799220,21cyclictest1244-21munin-run09:05:003
987799220,21cyclictest10148-21ssh11:40:263
987799220,1cyclictest27666-21ssh10:00:213
987799220,1cyclictest0-21swapper/311:35:493
987799220,1cyclictest0-21swapper/310:10:133
9874992222,0cyclictest3615-21diskmemload09:54:272
9874992222,0cyclictest3615-21diskmemload09:54:272
9874992222,0cyclictest0-21swapper/209:30:002
9874992222,0cyclictest0-21swapper/207:50:002
9874992220,1cyclictest26222-21ssh11:25:572
9874992220,1cyclictest1561-21irqstats12:01:012
987499220,21cyclictest29118-21apt-get08:55:582
987499220,21cyclictest18973-21ssh10:50:022
987499220,21cyclictest1423-21ssh11:02:472
987499220,21cyclictest0-21swapper/212:36:302
987499220,1cyclictest4183-21ssh12:32:302
987499220,1cyclictest0-21swapper/209:25:012
987499220,0cyclictest3615-21diskmemload12:26:072
9871992221,1cyclictest1637-21ssh11:31:341
9871992220,1cyclictest13840-21ssh10:45:341
9871992220,1cyclictest0-21swapper/109:40:201
987199220,22cyclictest3615-21diskmemload11:13:401
987199220,22cyclictest0-21swapper/112:20:091
987199220,21cyclictest894-21ssh12:30:131
987199220,21cyclictest25714-21ssh10:26:131
987199220,21cyclictest17703-21ssh10:20:091
987199220,21cyclictest0-21swapper/112:00:101
987199220,21cyclictest0-21swapper/109:15:241
987199220,21cyclictest0-21swapper/107:40:571
987199220,1cyclictest6375-21sh11:06:591
987199220,1cyclictest20466-21ssh09:24:531
987199220,1cyclictest16351-21ssh09:50:381
987199220,1cyclictest16351-21ssh09:50:381
9867992221,1cyclictest62550irq/127-eno111:15:040
9867992221,1cyclictest0-21swapper/009:40:360
9867992221,0cyclictest0-21swapper/008:40:580
986799220,22cyclictest0-21swapper/012:11:180
986799220,22cyclictest0-21swapper/012:11:180
986799220,21cyclictest3615-21diskmemload09:32:520
986799220,21cyclictest23783-21apt-get10:25:590
986799220,21cyclictest19347-21smartctl10:21:040
986799220,21cyclictest0-21swapper/011:30:090
986799220,21cyclictest0-21swapper/009:50:290
986799220,21cyclictest0-21swapper/009:50:290
986799220,21cyclictest0-21swapper/009:35:430
986799220,21cyclictest0-21swapper/009:20:090
986799220,1cyclictest75-21kswapd010:40:020
986799220,0cyclictest0-21swapper/007:55:570
9877992121,0cyclictest0-21swapper/311:45:193
9877992119,1cyclictest14630-21perf07:20:003
9877992119,1cyclictest12325-21apt-get08:20:563
987799210,20cyclictest7165-21sh08:10:003
987799210,20cyclictest0-21swapper/309:30:143
9874992121,0cyclictest0-21swapper/208:15:002
9874992121,0cyclictest0-21swapper/207:40:572
9874992119,1cyclictest22229-21turbostat.cron07:35:012
987499210,21cyclictest3615-21diskmemload10:25:142
987499210,21cyclictest0-21swapper/210:45:332
987499210,21cyclictest0-21swapper/208:30:582
987499210,20cyclictest0-21swapper/208:05:022
987499210,1cyclictest1025-21rm10:05:062
9871992121,0cyclictest0-21swapper/107:55:561
9871992120,1cyclictest0-21swapper/107:45:581
9871992119,1cyclictest21616-21sendmail-msp08:40:001
987199210,0cyclictest0-21swapper/109:00:571
987199210,0cyclictest0-21swapper/108:55:581
9867992121,0cyclictest0-21swapper/008:15:570
9867992121,0cyclictest0-21swapper/007:35:560
9867992117,3cyclictest21609-21awk08:40:000
986799210,20cyclictest0-21swapper/008:50:580
986799210,1cyclictest1232-21perf09:05:000
986799210,0cyclictest0-21swapper/008:55:580
9877992020,0cyclictest0-21swapper/308:40:583
9877992020,0cyclictest0-21swapper/307:25:583
987799200,0cyclictest0-21swapper/307:50:563
987799200,0cyclictest0-21swapper/307:35:563
9874992020,0cyclictest24326-21apt-get08:45:582
9874992020,0cyclictest0-21swapper/208:15:572
9871992020,0cyclictest0-21swapper/108:10:581
9871992019,1cyclictest0-21swapper/107:20:561
9871992018,1cyclictest0-21swapper/108:25:571
987199200,0cyclictest0-21swapper/108:15:571
9874991919,0cyclictest19511-21apt-get08:35:572
9874991919,0cyclictest0-21swapper/207:55:562
9874991918,1cyclictest4388-21sleep08:05:002
9874991918,0cyclictest0-21swapper/208:25:572
9874991917,1cyclictest17048-21perf07:25:002
9871991919,0cyclictest0-21swapper/108:20:561
9871991919,0cyclictest0-21swapper/107:10:571
987199190,0cyclictest0-21swapper/107:30:571
9867991919,0cyclictest0-21swapper/008:25:570
9867991919,0cyclictest0-21swapper/007:50:560
9867991919,0cyclictest0-21swapper/007:25:000
9867991918,1cyclictest10161-21apt-get07:10:570
9867991917,1cyclictest4399-21awk08:05:000
987799180,0cyclictest14973-21apt-get07:20:573
9867991818,0cyclictest17119-21apt-get08:30:590
9877991717,0cyclictest0-21swapper/308:50:583
9877991717,0cyclictest0-21swapper/307:10:573
9874991717,0cyclictest31586-21apt-get09:00:572
9874991717,0cyclictest0-21swapper/209:05:582
9874991717,0cyclictest0-21swapper/208:20:552
9874991717,0cyclictest0-21swapper/207:15:562
9867991715,1cyclictest313-21systemd-journal09:10:010
9877991615,0cyclictest0-21swapper/309:05:583
9874991616,0cyclictest0-21swapper/207:10:572
9874991614,1cyclictest0-21swapper/207:29:442
9871991616,0cyclictest0-21swapper/107:50:561
9871991615,1cyclictest21932-21apt-get08:40:581
9871991613,2cyclictest313-21systemd-journal08:05:001
987199160,15cyclictest22522-21/usr/sbin/munin07:35:551
987199160,15cyclictest12553-21apt-get07:15:571
9867991616,0cyclictest0-21swapper/007:30:030
9867991616,0cyclictest0-21swapper/007:15:570
9867991615,0cyclictest0-21swapper/008:10:580
986799160,15cyclictest29298-21chrt07:47:180
9877991515,0cyclictest9908-21apt-get08:15:573
9877991515,0cyclictest0-21swapper/308:55:583
9877991513,1cyclictest25081-21apt-get07:40:573
9874991513,1cyclictest22837-21memory08:41:022
986799150,13cyclictest0-21swapper/008:05:570
9877991414,0cyclictest0-21swapper/308:35:223
9877991414,0cyclictest0-21swapper/308:25:233
987799140,14cyclictest0-21swapper/308:45:103
987799140,14cyclictest0-21swapper/308:30:063
987799140,0cyclictest0-21swapper/307:45:253
987499140,14cyclictest0-21swapper/207:51:492
987499140,14cyclictest0-21swapper/207:35:352
987499140,0cyclictest0-21swapper/208:50:422
9871991414,0cyclictest0-21swapper/108:32:241
9871991414,0cyclictest0-21swapper/108:05:011
986799140,14cyclictest0-21swapper/008:45:090
986799140,0cyclictest0-21swapper/007:40:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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