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2026-05-30 - 00:40

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 May 29, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36422111100,6sleep30-21swapper/307:07:393
3708210998,6sleep00-21swapper/007:08:230
3578210184,12sleep20-21swapper/207:06:502
377429887,6sleep10-21swapper/107:09:081
235512850,0sleep20-21swapper/209:59:072
94202700,0sleep20-21swapper/210:16:412
64462270,7sleep30-21swapper/309:05:173
116492250,1sleep30-21swapper/311:26:173
387399231,20cyclictest4754-21kworker/u8:212:35:093
387399221,19cyclictest0-21swapper/310:40:113
387299210,4cyclictest0-21swapper/211:08:052
387199210,19cyclictest0-21swapper/112:35:111
387399200,2cyclictest0-21swapper/310:55:123
387399200,2cyclictest0-21swapper/310:55:113
3872992017,2cyclictest4323-21kworker/u8:207:46:012
3872992017,2cyclictest29169-21kworker/u8:109:32:022
387299200,4cyclictest0-21swapper/210:49:052
3873991916,2cyclictest32105-21kworker/u8:109:23:033
3872991916,2cyclictest24167-21kworker/u8:208:31:052
3872991916,2cyclictest24167-21kworker/u8:208:27:042
387399182,11cyclictest0-21swapper/310:26:043
3873991815,2cyclictest29169-21kworker/u8:109:32:063
3873991815,2cyclictest21307-21kworker/u8:111:39:043
3873991815,2cyclictest16481-21kworker/u8:110:18:043
3872991815,2cyclictest4323-21kworker/u8:207:34:052
3872991815,2cyclictest4115-21kworker/u8:311:38:052
3872991815,2cyclictest32105-21kworker/u8:108:52:012
3872991815,2cyclictest30646-21kworker/u8:211:51:042
3872991815,2cyclictest24167-21kworker/u8:208:22:042
3872991815,2cyclictest16432-21kworker/u8:309:20:022
387299180,13cyclictest0-21swapper/209:35:042
3871991814,2cyclictest0-21swapper/109:35:111
3873991714,2cyclictest6100-21kworker/u8:210:24:053
3873991714,2cyclictest4323-21kworker/u8:207:19:043
3873991714,2cyclictest15280-21kworker/u8:112:19:043
3873991713,2cyclictest10045-21ssh12:33:053
3872991714,2cyclictest7796-21kworker/u8:209:14:042
3872991714,2cyclictest6080-21kworker/u8:211:04:042
3872991714,2cyclictest4754-21kworker/u8:212:39:052
3872991714,2cyclictest4323-21kworker/u8:207:54:052
3872991714,2cyclictest4323-21kworker/u8:207:18:042
3872991714,2cyclictest4115-21kworker/u8:311:28:042
3872991714,2cyclictest4115-21kworker/u8:311:23:052
3872991714,2cyclictest32434-21kworker/u8:110:41:042
3872991714,2cyclictest32105-21kworker/u8:109:19:042
3872991714,2cyclictest28692-21kworker/u8:011:46:052
3872991714,2cyclictest1602-21kworker/u8:009:51:042
3872991714,2cyclictest15169-21kworker/u8:310:59:052
3872991714,2cyclictest15169-21kworker/u8:310:59:042
3872991714,2cyclictest10580-21kworker/u8:310:39:052
387299170,13cyclictest0-21swapper/210:00:042
387299170,12cyclictest0-21swapper/210:32:012
387199171,14cyclictest7440-21munin-node1
3873991613,2cyclictest316-21kworker/u8:010:09:043
3873991613,2cyclictest21307-21kworker/u8:111:44:013
3873991613,2cyclictest15280-21kworker/u8:112:12:053
3872991613,2cyclictest4323-21kworker/u8:208:07:052
3872991613,2cyclictest4115-21kworker/u8:311:31:052
3872991613,2cyclictest30646-21kworker/u8:212:06:042
3872991613,2cyclictest29169-21kworker/u8:109:40:042
3872991613,2cyclictest21711-21kworker/u8:008:37:042
3872991613,2cyclictest21456-21kworker/u8:012:15:042
3872991613,2cyclictest21099-21kworker/u8:108:12:042
3872991613,2cyclictest21099-21kworker/u8:107:25:042
3872991613,2cyclictest21099-21kworker/u8:107:25:042
3872991613,2cyclictest1602-21kworker/u8:009:45:052
387299160,11cyclictest0-21swapper/208:46:012
387199161,3cyclictest25665-21ntp_states08:25:171
387199161,3cyclictest0-21swapper/110:26:031
387199161,13cyclictest8424-21apt-get10:50:111
387199160,14cyclictest0-21swapper/111:20:111
387099162,6cyclictest0-21swapper/010:44:580
387099161,3cyclictest0-21swapper/009:45:180
3870991612,2cyclictest6817-21apt-get07:20:120
387399151,2cyclictest1557-21apt-get08:55:123
3873991512,2cyclictest7796-21kworker/u8:209:17:043
3873991512,2cyclictest4754-21kworker/u8:212:29:043
3873991512,2cyclictest4115-21kworker/u8:311:34:053
3873991512,2cyclictest316-21kworker/u8:010:12:053
3873991512,2cyclictest30646-21kworker/u8:212:03:043
3873991512,2cyclictest21099-21kworker/u8:108:01:043
3873991512,2cyclictest11592-21kworker/u8:209:55:053
3873991512,2cyclictest11592-21kworker/u8:209:48:023
3873991512,2cyclictest10580-21kworker/u8:310:34:043
387399150,2cyclictest0-21swapper/311:59:053
387399150,13cyclictest8011-21ssh09:43:233
387299151,3cyclictest0-21swapper/210:10:402
3872991512,2cyclictest21711-21kworker/u8:009:00:042
3872991512,2cyclictest21711-21kworker/u8:008:56:022
3872991512,2cyclictest21711-21kworker/u8:008:43:052
3872991512,2cyclictest15280-21kworker/u8:112:30:012
387299150,2cyclictest0-21swapper/211:14:052
3871991512,2cyclictest0-21swapper/109:15:251
387099152,8cyclictest0-21swapper/008:50:000
387099152,8cyclictest0-21swapper/008:20:000
387099152,7cyclictest0-21swapper/009:04:590
387099152,10cyclictest0-21swapper/009:57:580
3870991510,3cyclictest0-21swapper/008:25:150
387099150,3cyclictest0-21swapper/011:00:190
387099150,3cyclictest0-21swapper/010:45:180
387099150,3cyclictest0-21swapper/010:29:320
387099150,13cyclictest0-21swapper/009:10:320
3873991411,2cyclictest4323-21kworker/u8:207:55:043
3873991411,2cyclictest30646-21kworker/u8:212:07:053
3873991411,2cyclictest26875-21kworker/u8:212:20:053
3873991411,2cyclictest24167-21kworker/u8:208:34:053
3873991411,2cyclictest21711-21kworker/u8:009:04:043
3873991411,2cyclictest21099-21kworker/u8:107:27:053
3873991411,2cyclictest21099-21kworker/u8:107:27:043
3873991411,2cyclictest21099-21kworker/u8:107:24:023
3873991411,2cyclictest11592-21kworker/u8:209:50:013
387399140,9cyclictest0-21swapper/308:44:053
387399140,3cyclictest3244-21ssh09:38:423
387399140,2cyclictest0-21swapper/311:47:313
387399140,13cyclictest0-21swapper/311:50:003
387399140,12cyclictest0-21swapper/311:18:333
387399140,12cyclictest0-21swapper/311:12:453
3872991411,2cyclictest21711-21kworker/u8:008:18:062
3872991411,2cyclictest0-21swapper/212:14:462
3872991411,2cyclictest0-21swapper/211:15:152
3872991410,2cyclictest17105-21http08:00:012
387299140,2cyclictest0-21swapper/211:56:052
387299140,2cyclictest0-21swapper/210:25:142
387299140,2cyclictest0-21swapper/210:21:052
387299140,2cyclictest0-21swapper/209:28:042
387299140,12cyclictest9706-21ssh10:50:372
387299140,12cyclictest5945-21ssh12:29:062
387199142,8cyclictest0-21swapper/110:05:001
387199142,7cyclictest7567-21diskmemload11:05:001
387199141,11cyclictest22377-21sh12:11:411
387199140,2cyclictest0-21swapper/111:59:461
387199140,12cyclictest0-21swapper/109:25:051
387099149,3cyclictest0-21swapper/012:18:380
387099142,7cyclictest0-21swapper/011:54:590
387099142,4cyclictest0-21swapper/010:14:590
387099141,2cyclictest19658-21smartctl11:35:150
387099140,3cyclictest15769-21runrttasks07:50:450
387099140,2cyclictest0-21swapper/008:36:010
185362140,2sleep00-21swapper/012:08:070
73772130,2sleep20-21swapper/207:20:162
387399133,6cyclictest0-21swapper/307:50:573
3873991310,2cyclictest7796-21kworker/u8:209:13:043
3873991310,2cyclictest6080-21kworker/u8:211:05:053
3873991310,2cyclictest6080-21kworker/u8:211:00:013
3873991310,2cyclictest6080-21kworker/u8:210:47:053
3873991310,2cyclictest4323-21kworker/u8:207:38:043
3873991310,2cyclictest32105-21kworker/u8:108:51:043
3873991310,2cyclictest26170-21kworker/u8:310:01:043
3873991310,2cyclictest24167-21kworker/u8:208:25:043
3873991310,2cyclictest24167-21kworker/u8:208:23:043
3873991310,2cyclictest21099-21kworker/u8:107:30:043
3873991310,2cyclictest0-21swapper/310:37:533
3873991310,2cyclictest0-21swapper/309:26:023
387399130,2cyclictest0-21swapper/311:20:123
387399130,11cyclictest0-21swapper/310:50:393
3872991310,2cyclictest4323-21kworker/u8:207:13:052
387299130,2cyclictest10498-21ssh12:00:052
387299130,2cyclictest0-21swapper/210:09:142
387299130,12cyclictest0-21swapper/211:40:012
387299130,12cyclictest0-21swapper/208:00:172
387299130,11cyclictest30981-21ssh12:20:512
387199139,2cyclictest0-21swapper/107:50:241
387199138,3cyclictest5480-21latency_hist11:54:591
387199138,3cyclictest0-21swapper/111:31:021
387199138,3cyclictest0-21swapper/111:25:161
387199138,3cyclictest0-21swapper/108:55:121
387199138,3cyclictest0-21swapper/107:40:131
387199133,7cyclictest2524-21sh10:44:041
387199132,6cyclictest0-21swapper/108:39:591
387199132,6cyclictest0-21swapper/108:25:011
387199132,6cyclictest0-21swapper/108:10:011
387199130,2cyclictest7567-21diskmemload12:26:021
387199130,2cyclictest0-21swapper/110:15:291
387199130,2cyclictest0-21swapper/107:10:151
387199130,12cyclictest0-21swapper/112:05:051
387199130,11cyclictest0-21swapper/109:31:471
387199130,11cyclictest0-21swapper/107:30:291
387099138,3cyclictest10296-21cut07:30:170
387099138,3cyclictest0-21swapper/010:51:320
387099132,6cyclictest0-21swapper/010:06:010
387099132,6cyclictest0-21swapper/007:25:010
387099132,6cyclictest0-21swapper/007:25:000
387099131,6cyclictest0-21swapper/011:15:000
387099131,6cyclictest0-21swapper/008:39:590
387099131,10cyclictest286812sleep010:36:440
387099131,10cyclictest15353-21ssh10:23:260
3870991310,2cyclictest0-21swapper/012:01:510
3870991310,2cyclictest0-21swapper/011:41:460
3870991310,2cyclictest0-21swapper/011:25:150
3870991310,2cyclictest0-21swapper/010:30:110
3870991310,2cyclictest0-21swapper/009:33:410
387099130,2cyclictest0-21swapper/011:21:200
387099130,11cyclictest0-21swapper/010:15:410
387399129,2cyclictest24167-21kworker/u8:208:35:043
387399128,2cyclictest0-21swapper/308:45:123
387399120,11cyclictest0-21swapper/308:15:043
387399120,11cyclictest0-21swapper/307:42:223
387199129,2cyclictest0-21swapper/112:20:171
387199129,2cyclictest0-21swapper/111:06:001
387199129,2cyclictest0-21swapper/110:00:141
387199129,2cyclictest0-21swapper/109:20:551
387199127,3cyclictest15110-21date12:04:591
387199127,3cyclictest0-21swapper/110:56:061
387199127,3cyclictest0-21swapper/110:56:051
387199122,6cyclictest0-21swapper/109:10:011
387199121,9cyclictest0-21swapper/111:45:121
387199121,9cyclictest0-21swapper/109:55:151
387199121,3cyclictest6660-21date07:20:001
387199121,3cyclictest17427-21munin-node1
387199121,3cyclictest0-21swapper/111:15:111
387199121,3cyclictest0-21swapper/109:00:111
387199120,2cyclictest7567-21diskmemload09:41:451
387199120,2cyclictest0-21swapper/112:18:261
387199120,2cyclictest0-21swapper/111:40:141
387199120,2cyclictest0-21swapper/110:24:261
387199120,10cyclictest0-21swapper/109:05:191
387099129,2cyclictest0-21swapper/012:30:180
387099122,7cyclictest0-21swapper/008:30:590
387099122,7cyclictest0-21swapper/008:21:590
387099122,6cyclictest0-21swapper/009:25:000
387099121,9cyclictest274-21jbd2/sda1-809:35:180
387099121,6cyclictest0-21swapper/011:54:590
387099120,2cyclictest29361-21ssh11:11:020
387099120,2cyclictest0-21swapper/011:32:390
387099120,2cyclictest0-21swapper/010:03:480
387099120,11cyclictest0-21swapper/010:55:170
387099120,11cyclictest0-21swapper/010:55:160
387099120,11cyclictest0-21swapper/009:40:000
387099120,11cyclictest0-21swapper/009:16:550
387099120,11cyclictest0-21swapper/008:55:190
387099120,11cyclictest0-21swapper/008:50:150
387399118,2cyclictest4323-21kworker/u8:207:48:043
387399118,2cyclictest21099-21kworker/u8:108:09:053
387299111,6cyclictest0-21swapper/207:40:002
387199118,2cyclictest0-21swapper/111:35:311
387199118,2cyclictest0-21swapper/110:30:381
387199118,2cyclictest0-21swapper/110:12:531
387199118,2cyclictest0-21swapper/108:50:281
387199116,3cyclictest29491-21sshd08:41:211
387199112,7cyclictest0-21swapper/108:10:581
387199111,8cyclictest0-21swapper/111:10:111
387199111,8cyclictest0-21swapper/109:45:171
387199111,8cyclictest0-21swapper/107:20:161
387199111,6cyclictest0-21swapper/108:35:001
387199110,2cyclictest0-21swapper/110:46:011
387199110,2cyclictest0-21swapper/109:50:051
387199110,10cyclictest0-21swapper/110:35:291
387099118,2cyclictest0-21swapper/012:14:310
387099118,2cyclictest0-21swapper/008:11:210
387099112,6cyclictest0-21swapper/007:44:020
387099110,2cyclictest0-21swapper/012:39:110
387099110,2cyclictest0-21swapper/009:50:170
387099110,1cyclictest0-21swapper/011:45:220
387099110,10cyclictest0-21swapper/012:22:250
387099110,10cyclictest0-21swapper/009:20:130
30262110,1sleep00-21swapper/012:25:240
387199106,2cyclictest21894-21apt-get08:15:061
387199100,2cyclictest0-21swapper/108:45:081
387099105,3cyclictest23762-21cut11:05:160
38739994,3cyclictest5071-21ntpdc07:10:153
38739990,2cyclictest0-21swapper/308:14:093
38729994,3cyclictest3688-21Xorg09:05:592
38729990,2cyclictest0-21swapper/207:41:052
38719994,3cyclictest9198-21cron07:30:001
38719994,3cyclictest9198-21cron07:30:001
38719994,3cyclictest17105-21http08:00:011
38709994,3cyclictest6445-21iostat09:05:160
38709994,3cyclictest17584-21aten2.4-expect08:00:120
38709994,3cyclictest0-21swapper/007:20:000
38709994,3cyclictest0-21swapper/007:10:150
38709991,6cyclictest0-21swapper/007:37:050
38719983,3cyclictest11632-21chrt07:37:001
38719981,3cyclictest14349-21seq07:48:121
38709983,3cyclictest19632-21aten2.4_r3power08:05:120
38709983,3cyclictest16755-21seq07:55:390
38709983,3cyclictest14135-21taskset07:45:250
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