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2026-04-04 - 15:44

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 all highest latencies:
System rack3slot6s.osadl.org (updated Sat Apr 04, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8399211695,16sleep00-21swapper/007:08:590
84642114103,6sleep30-21swapper/307:09:503
8272211395,12sleep20-21swapper/207:07:212
8400210992,12sleep10-21swapper/107:09:001
93972740,0sleep10-21swapper/111:40:421
141632720,0sleep10-21swapper/109:31:111
53112490,1sleep05309-21ssh09:22:280
8507991916,2cyclictest31856-21kworker/u8:109:31:043
8507991916,2cyclictest24664-21kworker/u8:210:19:043
8507991916,2cyclictest11768-21kworker/u8:210:50:023
8507991916,2cyclictest10813-21kworker/u8:010:10:023
850599190,17cyclictest0-21swapper/108:15:111
8507991815,2cyclictest10813-21kworker/u8:010:08:043
8507991613,2cyclictest31856-21kworker/u8:109:24:053
8507991613,2cyclictest31856-21kworker/u8:109:19:043
8507991612,2cyclictest31856-21kworker/u8:109:36:053
8507991611,3cyclictest9439-21ssh12:15:123
8507991611,3cyclictest8737-21ssh11:40:163
850799161,13cyclictest1389-21cron11:00:003
850699161,3cyclictest0-21swapper/211:30:162
850699161,13cyclictest0-21swapper/212:15:152
850699161,13cyclictest0-21swapper/207:10:142
850599160,15cyclictest0-21swapper/110:42:061
850599160,14cyclictest0-21swapper/109:25:051
850599160,14cyclictest0-21swapper/107:55:121
308962160,1sleep10-21swapper/112:36:501
205902160,1sleep2301ktimersoftd/210:11:282
8507991512,2cyclictest9289-21kworker/u8:111:08:043
8507991512,2cyclictest29828-21kworker/u8:009:48:053
8507991512,2cyclictest26421-21kworker/u8:010:21:043
8507991512,2cyclictest24664-21kworker/u8:209:51:043
8507991512,2cyclictest22979-21kworker/u8:009:13:053
8507991510,3cyclictest19624-21iostat08:55:163
850799150,2cyclictest0-21swapper/311:55:113
850699151,3cyclictest9115-21tr08:30:132
8506991512,2cyclictest0-21swapper/209:25:082
850699150,3cyclictest0-21swapper/211:00:132
850599150,13cyclictest0-21swapper/110:20:391
850499150,3cyclictest0-21swapper/010:10:140
76112150,1sleep2301ktimersoftd/211:39:502
850799141,3cyclictest3728-21runrttasks09:26:303
8507991411,2cyclictest26421-21kworker/u8:010:39:053
8507991411,2cyclictest26421-21kworker/u8:010:28:023
8507991411,2cyclictest25024-21kworker/u8:011:31:053
8507991411,2cyclictest23895-21kworker/u8:007:11:053
8507991411,2cyclictest23422-21kworker/u8:012:02:043
8507991411,2cyclictest18945-21kworker/u8:208:19:043
8507991411,2cyclictest14873-21kworker/u8:112:11:043
8507991411,2cyclictest12069-21kworker/u8:012:32:023
8507991411,2cyclictest11929-21ssh11:10:123
850799141,11cyclictest4422-21pzem_energy11:35:283
850799141,11cyclictest0-21swapper/311:25:173
850799141,11cyclictest0-21swapper/311:25:173
8507991410,2cyclictest0-21swapper/312:20:083
8507991410,2cyclictest0-21swapper/310:35:003
8507991410,2cyclictest0-21swapper/307:41:023
850799140,2cyclictest0-21swapper/311:25:013
850799140,2cyclictest0-21swapper/311:25:003
850799140,13cyclictest0-21swapper/308:46:013
850799140,12cyclictest0-21swapper/310:40:403
850799140,12cyclictest0-21swapper/307:56:013
8506991410,3cyclictest16195-21sh10:40:322
850699140,3cyclictest22425-21ssh09:40:152
850699140,2cyclictest0-21swapper/211:47:032
850699140,2cyclictest0-21swapper/210:27:352
850699140,2cyclictest0-21swapper/208:35:182
850699140,13cyclictest0-21swapper/210:00:082
850699140,12cyclictest2250-21apt-get09:20:102
850699140,12cyclictest11372-21ssh10:35:362
850699140,12cyclictest0-21swapper/212:25:122
850699140,12cyclictest0-21swapper/211:44:162
850699140,12cyclictest0-21swapper/210:57:502
850699140,12cyclictest0-21swapper/210:30:142
850699140,12cyclictest0-21swapper/209:45:142
850699140,12cyclictest0-21swapper/207:45:152
8505991411,2cyclictest0-21swapper/110:05:121
8505991411,2cyclictest0-21swapper/109:19:021
850599140,13cyclictest24784-21diskmemload10:35:121
850599140,13cyclictest0-21swapper/112:16:021
850599140,13cyclictest0-21swapper/109:55:121
850599140,12cyclictest4054-21cat09:21:011
850599140,12cyclictest2617-21grep11:00:171
850599140,12cyclictest0-21swapper/111:36:421
850499149,3cyclictest28806-21taskset09:46:270
8504991411,2cyclictest9518-21kworker/u8:011:42:050
850499140,12cyclictest2223-21ssh11:34:090
850499140,12cyclictest20172-21sed10:45:130
850499140,12cyclictest10074-21ssh10:00:390
850499140,12cyclictest0-21swapper/011:36:010
850499140,12cyclictest0-21swapper/011:10:110
850499140,12cyclictest0-21swapper/011:01:110
850499140,12cyclictest0-21swapper/009:35:170
850499140,12cyclictest0-21swapper/008:55:010
322862140,2sleep00-21swapper/009:16:450
311152140,3sleep10-21swapper/112:03:591
850799139,3cyclictest0-21swapper/308:41:033
8507991310,2cyclictest9518-21kworker/u8:011:45:043
8507991310,2cyclictest30792-21kworker/u8:108:24:023
8507991310,2cyclictest18972-21kworker/u8:212:35:043
8507991310,2cyclictest18945-21kworker/u8:207:36:053
8507991310,2cyclictest14791-21kworker/u8:007:34:043
8507991310,2cyclictest10461-21kworker/u8:207:18:043
8507991310,2cyclictest0-21swapper/312:28:003
8507991310,2cyclictest0-21swapper/311:53:433
8507991310,2cyclictest0-21swapper/309:41:013
8507991310,2cyclictest0-21swapper/308:50:123
8507991310,2cyclictest0-21swapper/308:06:023
850799130,2cyclictest0-21swapper/309:55:123
850799130,2cyclictest0-21swapper/308:26:003
850799130,12cyclictest0-21swapper/310:46:123
850799130,11cyclictest0-21swapper/311:16:273
850799130,11cyclictest0-21swapper/311:00:343
850799130,11cyclictest0-21swapper/310:00:553
8506991310,2cyclictest18494-21ssh11:50:162
8506991310,2cyclictest0-21swapper/212:14:152
8506991310,2cyclictest0-21swapper/212:00:472
8506991310,2cyclictest0-21swapper/211:12:072
8506991310,2cyclictest0-21swapper/210:46:572
8506991310,2cyclictest0-21swapper/209:35:242
8506991310,2cyclictest0-21swapper/209:05:162
8506991310,2cyclictest0-21swapper/208:20:142
850699130,2cyclictest0-21swapper/212:30:182
850699130,2cyclictest0-21swapper/212:24:062
850699130,2cyclictest0-21swapper/211:26:552
850699130,2cyclictest0-21swapper/211:26:542
850699130,2cyclictest0-21swapper/211:16:262
850699130,2cyclictest0-21swapper/209:57:352
850699130,2cyclictest0-21swapper/209:51:322
850699130,2cyclictest0-21swapper/208:05:182
850699130,12cyclictest0-21swapper/212:05:182
850599134,2cyclictest21-21rcuc/111:20:581
850599134,2cyclictest21-21rcuc/111:20:581
8505991310,2cyclictest0-21swapper/112:22:331
8505991310,2cyclictest0-21swapper/112:11:031
8505991310,2cyclictest0-21swapper/111:51:221
8505991310,2cyclictest0-21swapper/111:31:031
8505991310,2cyclictest0-21swapper/111:13:341
8505991310,2cyclictest0-21swapper/111:08:391
8505991310,2cyclictest0-21swapper/110:18:091
8505991310,2cyclictest0-21swapper/109:12:591
8505991310,2cyclictest0-21swapper/108:41:021
8505991310,2cyclictest0-21swapper/107:36:021
850599130,3cyclictest32164-21cut08:05:391
850599130,2cyclictest0-21swapper/111:59:111
850599130,2cyclictest0-21swapper/111:16:031
850599130,2cyclictest0-21swapper/110:59:441
850599130,2cyclictest0-21swapper/110:52:531
850599130,2cyclictest0-21swapper/108:50:151
850599130,2cyclictest0-21swapper/108:20:171
850599130,12cyclictest0-21swapper/111:45:031
850599130,12cyclictest0-21swapper/111:27:031
850599130,12cyclictest0-21swapper/111:27:021
850599130,12cyclictest0-21swapper/110:48:121
850599130,12cyclictest0-21swapper/110:10:291
850599130,12cyclictest0-21swapper/110:02:351
850599130,12cyclictest0-21swapper/109:50:181
850599130,12cyclictest0-21swapper/109:39:031
850599130,11cyclictest0-21swapper/108:00:171
850499131,2cyclictest0-21swapper/012:04:020
8504991310,2cyclictest24784-21diskmemload12:18:590
8504991310,2cyclictest24784-21diskmemload10:52:290
8504991310,2cyclictest1371-21ssh10:25:180
8504991310,2cyclictest0-21swapper/012:37:100
8504991310,2cyclictest0-21swapper/010:40:200
8504991310,2cyclictest0-21swapper/010:17:420
8504991310,2cyclictest0-21swapper/009:58:450
8504991310,2cyclictest0-21swapper/009:51:140
8504991310,2cyclictest0-21swapper/009:01:010
8504991310,2cyclictest0-21swapper/007:25:150
850499130,2cyclictest26409-21ssh11:59:110
850499130,2cyclictest24784-21diskmemload12:06:580
850499130,2cyclictest0-21swapper/012:30:110
850499130,2cyclictest0-21swapper/011:45:160
850499130,2cyclictest0-21swapper/011:22:170
850499130,2cyclictest0-21swapper/011:22:170
850499130,2cyclictest0-21swapper/010:32:590
850499130,2cyclictest0-21swapper/008:40:180
850499130,2cyclictest0-21swapper/007:45:150
850499130,2cyclictest0-21swapper/007:20:160
850499130,12cyclictest0-21swapper/011:53:530
850499130,12cyclictest0-21swapper/010:57:090
850499130,12cyclictest0-21swapper/010:37:050
850499130,12cyclictest0-21swapper/009:05:110
850499130,12cyclictest0-21swapper/008:20:130
850499130,12cyclictest0-21swapper/007:58:400
850499130,11cyclictest0-21swapper/009:13:170
27382130,2sleep10-21swapper/110:26:481
156272130,2sleep20-21swapper/208:45:172
850799129,2cyclictest6426-21kworker/u8:008:38:043
850799129,2cyclictest30792-21kworker/u8:109:06:043
850799129,2cyclictest14791-21kworker/u8:007:29:043
850799129,2cyclictest0-21swapper/312:05:143
850799129,2cyclictest0-21swapper/307:51:033
8507991210,1cyclictest0-21swapper/307:45:163
850699129,2cyclictest0-21swapper/212:36:562
850699129,2cyclictest0-21swapper/211:21:022
850699129,2cyclictest0-21swapper/211:21:012
850699129,2cyclictest0-21swapper/210:20:142
850699129,2cyclictest0-21swapper/210:05:272
850699129,2cyclictest0-21swapper/207:30:172
850699128,3cyclictest30744-21ls09:15:172
850699120,2cyclictest0-21swapper/211:05:042
850699120,2cyclictest0-21swapper/207:15:152
850699120,11cyclictest0-21swapper/210:51:092
850699120,11cyclictest0-21swapper/210:15:292
850699120,11cyclictest0-21swapper/209:31:572
850699120,11cyclictest0-21swapper/208:11:042
850699120,11cyclictest0-21swapper/208:11:042
850699120,11cyclictest0-21swapper/207:35:172
850699120,10cyclictest0-21swapper/209:10:022
850599129,2cyclictest0-21swapper/109:45:381
850599129,2cyclictest0-21swapper/108:25:281
850599129,2cyclictest0-21swapper/107:20:501
850599128,2cyclictest0-21swapper/107:15:161
850599121,9cyclictest22992-21apt-get09:05:101
850599120,2cyclictest0-21swapper/109:40:011
850599120,11cyclictest0-21swapper/112:30:131
850599120,11cyclictest0-21swapper/112:27:171
850599120,11cyclictest0-21swapper/112:05:141
850599120,11cyclictest0-21swapper/110:30:291
850499129,2cyclictest0-21swapper/012:25:160
850499129,2cyclictest0-21swapper/011:15:070
850499129,2cyclictest0-21swapper/011:07:000
850499129,2cyclictest0-21swapper/009:25:190
850499120,2cyclictest0-21swapper/011:25:220
850499120,2cyclictest0-21swapper/011:25:210
850499120,2cyclictest0-21swapper/010:20:280
850499120,2cyclictest0-21swapper/009:40:160
850499120,2cyclictest0-21swapper/009:30:490
850499120,2cyclictest0-21swapper/008:00:130
850499120,11cyclictest14967-21ssh10:05:490
850499120,11cyclictest0-21swapper/012:22:310
850499120,11cyclictest0-21swapper/012:11:110
256952120,2sleep00-21swapper/007:50:190
850699118,2cyclictest7167-21cut08:25:122
850699118,2cyclictest0-21swapper/211:59:262
850599117,2cyclictest22913-21munin-node1
850599113,6cyclictest0-21swapper/108:55:161
850599111,8cyclictest662-21apt-get08:10:121
850599111,8cyclictest662-21apt-get08:10:111
850599111,8cyclictest26718-21munin-node08:46:011
850599110,9cyclictest0-21swapper/109:00:141
850599110,9cyclictest0-21swapper/107:10:161
850499110,2cyclictest0-21swapper/007:30:480
850799107,2cyclictest30792-21kworker/u8:108:11:053
850799107,2cyclictest30792-21kworker/u8:108:11:043
850799107,2cyclictest0-21swapper/308:30:123
850799105,3cyclictest21829-21grep09:00:153
850799102,6cyclictest0-21swapper/307:24:023
850799100,9cyclictest0-21swapper/308:02:173
850699107,2cyclictest18626-21kworker/u8:208:56:012
850699100,2cyclictest0-21swapper/208:00:122
850599107,2cyclictest21300-21diskstats07:40:131
850599107,2cyclictest0-21swapper/108:35:501
850599107,2cyclictest0-21swapper/108:30:111
850599101,8cyclictest18642-21apt-get07:35:001
850599100,2cyclictest24923-21apt-get07:50:121
850499100,9cyclictest0-21swapper/007:15:160
85069990,2cyclictest12588-21copy07:20:042
85059990,8cyclictest0-21swapper/107:25:141
85049996,2cyclictest0-21swapper/008:30:280
85049996,2cyclictest0-21swapper/007:38:490
85049996,2cyclictest0-21swapper/007:10:150
85049994,3cyclictest16310-21unixbench_multi08:46:020
85049993,4cyclictest22150irq/25-ahci[00008:35:110
85049990,8cyclictest14791-21kworker/u8:007:43:050
85069985,2cyclictest15183-21df_abs07:25:142
85069983,3cyclictest3728-21runrttasks08:50:242
85069983,3cyclictest3127-21nscd07:50:512
85069983,3cyclictest2985-21cpuspeed_turbos08:15:132
85069983,3cyclictest20936-21aten2.4-expect07:40:112
85069983,3cyclictest14399-21who08:41:032
85069982,4cyclictest3182-21lldpd09:00:112
85069980,6cyclictest27026-21sh07:55:122
85049985,2cyclictest19247-21tr08:55:120
85049985,2cyclictest0-21swapper/008:05:100
85049984,3cyclictest35692sleep008:15:180
85049980,7cyclictest0-21swapper/008:12:450
85049980,7cyclictest0-21swapper/008:12:440
85049973,2cyclictest6974-21aten2.4-expect08:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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