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2026-04-18 - 17:20

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Sat Apr 18, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1855521420,3sleep11261999cyclictest10:39:341
10808212096,19sleep00-21swapper/007:05:110
123182114103,6sleep10-21swapper/107:06:291
12501210992,12sleep30-21swapper/307:08:503
1187729887,6sleep20-21swapper/207:05:532
264382810,0sleep20-21swapper/210:46:482
115182810,0sleep00-21swapper/009:58:200
15222720,0sleep10-21swapper/110:21:021
12618994914,18cyclictest28991-21diskmemload10:25:110
1262199380,19cyclictest0-21swapper/310:00:113
193212260,1sleep30-21swapper/309:32:463
139132230,1sleep10-21swapper/107:11:001
53662220,0sleep30-21swapper/309:18:313
1262099211,18cyclictest0-21swapper/210:00:122
1261999210,17cyclictest0-21swapper/111:11:051
65162200,1sleep30-21swapper/311:33:543
1262199200,2cyclictest0-21swapper/311:00:113
1262099200,2cyclictest0-21swapper/210:40:102
1262099200,2cyclictest0-21swapper/207:55:102
12619992017,2cyclictest31750-21kworker/u8:112:12:021
12619991916,2cyclictest6006-21kworker/u8:111:42:021
12619991916,2cyclictest31750-21kworker/u8:112:03:051
12619991916,2cyclictest3094-21kworker/u8:009:54:041
12619991916,2cyclictest28091-21kworker/u8:011:27:051
12619991916,2cyclictest22475-21kworker/u8:210:19:041
12619991916,2cyclictest21223-21kworker/u8:009:16:051
12619991916,2cyclictest20106-21kworker/u8:207:18:051
12619991916,2cyclictest17814-21kworker/u8:109:39:051
1261999190,2cyclictest0-21swapper/112:20:021
1261899190,17cyclictest0-21swapper/008:40:100
1261899190,17cyclictest0-21swapper/008:40:090
12619991815,2cyclictest6021-21kworker/u8:111:02:051
12619991815,2cyclictest3959-21kworker/u8:108:52:011
12619991815,2cyclictest3959-21kworker/u8:108:08:051
12619991815,2cyclictest31140-21kworker/u8:210:57:041
12619991815,2cyclictest20106-21kworker/u8:207:22:041
12619991815,2cyclictest18800-21kworker/u8:208:47:051
12619991815,2cyclictest17028-21kworker/u8:010:40:041
12619991815,2cyclictest10566-21kworker/u8:210:02:051
1262099170,12cyclictest4720-21ssh10:25:112
12619991714,2cyclictest6006-21kworker/u8:111:52:051
12619991714,2cyclictest4521-21kworker/u8:308:28:021
12619991714,2cyclictest3959-21kworker/u8:108:40:051
12619991714,2cyclictest3959-21kworker/u8:108:40:041
12619991714,2cyclictest30626-21kworker/u8:110:07:041
12619991714,2cyclictest24636-21kworker/u8:212:31:051
12619991714,2cyclictest20963-21kworker/u8:007:49:041
12619991714,2cyclictest20963-21kworker/u8:007:41:051
12619991714,2cyclictest20676-21kworker/u8:111:20:041
12619991714,2cyclictest17028-21kworker/u8:010:49:051
12619991714,2cyclictest12422-21kworker/u8:211:47:041
12618991713,2cyclictest20106-21kworker/u8:207:26:050
1262199160,14cyclictest13301-21ssh09:26:013
1262099161,13cyclictest0-21swapper/211:44:272
12619991613,2cyclictest2649-21kworker/u8:310:34:041
12621991512,2cyclictest0-21swapper/309:12:573
1262199151,12cyclictest23400-21ssh11:50:533
12621991511,2cyclictest1281-21aten2.4_r3power10:55:143
12621991511,2cyclictest0-21swapper/311:05:133
12621991510,3cyclictest16685-21ssh12:17:403
12621991510,3cyclictest0-21swapper/311:49:323
1262199150,13cyclictest756-21sshd12:01:023
1262099150,13cyclictest0-21swapper/212:05:012
1262099150,13cyclictest0-21swapper/211:10:182
12619991512,2cyclictest825-21kworker/u8:008:03:051
12619991512,2cyclictest3959-21kworker/u8:108:35:051
12619991512,2cyclictest3959-21kworker/u8:108:35:041
1261999150,2cyclictest0-21swapper/111:08:041
1262199149,3cyclictest0-21swapper/312:13:363
12621991411,2cyclictest0-21swapper/310:30:183
1262199140,2cyclictest0-21swapper/309:47:283
1262199140,13cyclictest0-21swapper/311:19:173
1262199140,13cyclictest0-21swapper/309:56:283
1262199140,12cyclictest28991-21diskmemload10:35:043
1262199140,12cyclictest23031-21sed12:25:013
1262199140,12cyclictest0-21swapper/311:56:083
1262199140,12cyclictest0-21swapper/311:42:453
1262199140,12cyclictest0-21swapper/310:52:143
1262199140,12cyclictest0-21swapper/310:40:043
1262199140,12cyclictest0-21swapper/310:10:293
1262099141,2cyclictest8097-21apt-get09:55:112
12620991411,2cyclictest0-21swapper/212:39:562
12620991411,2cyclictest0-21swapper/212:16:452
12620991411,2cyclictest0-21swapper/212:10:562
12620991411,2cyclictest0-21swapper/211:28:362
12620991411,2cyclictest0-21swapper/211:08:052
12620991411,2cyclictest0-21swapper/210:11:362
12620991410,2cyclictest0-21swapper/208:01:542
1262099140,2cyclictest5596-21ssh12:05:562
1262099140,2cyclictest5596-21ssh12:05:552
1262099140,2cyclictest0-21swapper/210:23:462
1262099140,2cyclictest0-21swapper/210:05:162
1262099140,2cyclictest0-21swapper/207:25:062
1262099140,13cyclictest0-21swapper/210:34:562
1262099140,13cyclictest0-21swapper/209:29:152
1261999149,3cyclictest4509-21rm12:39:051
1261999142,6cyclictest0-21swapper/108:15:001
12619991411,2cyclictest0-21swapper/108:56:041
1261999140,2cyclictest0-21swapper/112:17:041
1261999140,13cyclictest0-21swapper/109:00:131
1261899148,4cyclictest4077-21aten2.4_r3power12:05:130
1261899148,4cyclictest4077-21aten2.4_r3power12:05:120
150762130,2sleep028991-21diskmemload11:09:270
12621991310,2cyclictest0-21swapper/312:30:023
12621991310,2cyclictest0-21swapper/312:28:473
12621991310,2cyclictest0-21swapper/311:24:513
12621991310,2cyclictest0-21swapper/310:48:213
12621991310,2cyclictest0-21swapper/310:21:033
12621991310,2cyclictest0-21swapper/309:00:133
1262199130,2cyclictest0-21swapper/310:05:523
1262199130,2cyclictest0-21swapper/309:42:233
1262199130,2cyclictest0-21swapper/309:35:143
1262199130,2cyclictest0-21swapper/308:46:033
1262199130,2cyclictest0-21swapper/308:35:203
1262199130,2cyclictest0-21swapper/308:35:203
1262199130,2cyclictest0-21swapper/308:15:133
1262199130,2cyclictest0-21swapper/308:00:153
1262199130,2cyclictest0-21swapper/307:55:143
1262199130,2cyclictest0-21swapper/307:35:143
1262199130,12cyclictest0-21swapper/312:06:183
1262199130,12cyclictest0-21swapper/312:06:173
1262199130,12cyclictest0-21swapper/311:25:243
1262199130,12cyclictest0-21swapper/310:15:203
1262199130,12cyclictest0-21swapper/307:45:013
1262199130,12cyclictest0-21swapper/307:40:153
1262199130,11cyclictest0-21swapper/311:35:013
1262199130,11cyclictest0-21swapper/311:10:063
1262199130,11cyclictest0-21swapper/309:50:443
1262199130,11cyclictest0-21swapper/309:20:573
12620991310,2cyclictest0-21swapper/212:33:182
12620991310,2cyclictest0-21swapper/212:26:012
12620991310,2cyclictest0-21swapper/210:56:282
1262099130,2cyclictest0-21swapper/211:39:362
1262099130,2cyclictest0-21swapper/209:50:062
1262099130,2cyclictest0-21swapper/209:37:362
1262099130,2cyclictest0-21swapper/209:13:262
1262099130,12cyclictest0-21swapper/212:22:062
1262099130,12cyclictest0-21swapper/211:02:162
1262099130,12cyclictest0-21swapper/209:45:462
1261999132,7cyclictest0-21swapper/108:00:011
12619991310,2cyclictest28942-21kworker/u8:207:50:061
12619991310,2cyclictest24756-21kworker/u8:209:09:051
12619991310,2cyclictest0-21swapper/112:25:041
12619991310,2cyclictest0-21swapper/112:08:441
12619991310,2cyclictest0-21swapper/112:08:431
12619991310,2cyclictest0-21swapper/111:17:441
12619991310,2cyclictest0-21swapper/110:50:241
12619991310,2cyclictest0-21swapper/109:46:111
1261999130,2cyclictest0-21swapper/111:56:021
1261999130,2cyclictest0-21swapper/109:27:431
1261999130,12cyclictest0-21swapper/110:10:041
1261999130,12cyclictest0-21swapper/109:22:141
1261999130,11cyclictest0-21swapper/109:42:051
1261899138,3cyclictest17919-21swap09:31:020
1261899138,3cyclictest14750-21latency_hist07:14:590
1261899131,6cyclictest0-21swapper/010:20:000
1261899131,10cyclictest25752-21iostat_ios07:40:170
12618991310,2cyclictest28091-21kworker/u8:011:37:050
12618991310,2cyclictest0-21swapper/011:20:160
12618991310,2cyclictest0-21swapper/009:45:250
1261899130,2cyclictest0-21swapper/007:21:000
1261899130,11cyclictest0-21swapper/011:43:180
120322130,9sleep012127-21ssh09:25:140
104712130,2sleep20-21swapper/209:24:002
101912130,2sleep00-21swapper/009:23:340
38222120,2sleep20-21swapper/211:30:292
282522120,2sleep00-21swapper/009:41:370
262512120,2sleep00-21swapper/010:13:480
230372121,2sleep222759-21apt-get07:35:062
169292120,2sleep028991-21diskmemload10:37:010
1262199129,2cyclictest0-21swapper/312:35:353
1262199129,2cyclictest0-21swapper/308:10:173
1262199129,2cyclictest0-21swapper/307:25:133
1262199120,2cyclictest0-21swapper/310:28:073
1262199120,2cyclictest0-21swapper/308:51:023
1262199120,11cyclictest0-21swapper/307:20:403
1262099129,2cyclictest0-21swapper/211:20:272
1262099120,2cyclictest0-21swapper/208:55:412
1262099120,2cyclictest0-21swapper/208:34:562
1262099120,11cyclictest28991-21diskmemload10:15:432
1262099120,11cyclictest0-21swapper/211:52:172
1262099120,11cyclictest0-21swapper/211:47:072
1262099120,11cyclictest0-21swapper/210:54:262
1262099120,11cyclictest0-21swapper/210:37:372
1262099120,11cyclictest0-21swapper/207:16:012
1261999129,2cyclictest28091-21kworker/u8:011:35:051
1261999129,2cyclictest0-21swapper/110:26:541
1261999129,2cyclictest0-21swapper/109:30:051
1261999129,2cyclictest0-21swapper/108:16:041
1261999128,2cyclictest0-21swapper/111:32:451
1261999121,3cyclictest0-21swapper/107:35:131
1261999121,3cyclictest0-21swapper/107:30:191
1261999120,2cyclictest0-21swapper/109:10:161
1261899127,3cyclictest0-21swapper/008:11:000
1261899122,7cyclictest0-21swapper/010:55:010
1261899122,7cyclictest0-21swapper/008:57:590
1261899121,6cyclictest0-21swapper/008:20:010
1261899121,6cyclictest0-21swapper/007:55:010
1261899121,3cyclictest0-21swapper/008:45:150
1261899120,7cyclictest0-21swapper/012:30:010
1261899120,6cyclictest0-21swapper/011:50:000
1261899120,2cyclictest0-21swapper/012:10:400
1261899120,2cyclictest0-21swapper/010:40:470
1261899120,2cyclictest0-21swapper/010:31:000
1261899120,2cyclictest0-21swapper/008:04:590
1261899120,11cyclictest0-21swapper/011:16:020
1261899120,11cyclictest0-21swapper/010:46:020
1261899120,11cyclictest0-21swapper/008:50:180
1261899120,10cyclictest28991-21diskmemload09:35:020
1261899120,10cyclictest0-21swapper/007:35:170
81972110,2sleep00-21swapper/011:01:140
288682110,2sleep20-21swapper/211:56:192
1262199118,2cyclictest0-21swapper/307:50:153
1262199118,2cyclictest0-21swapper/307:10:133
1262199110,2cyclictest0-21swapper/308:24:013
1262099118,2cyclictest0-21swapper/207:40:152
1262099111,6cyclictest0-21swapper/208:40:102
1262099111,6cyclictest0-21swapper/208:40:092
1262099110,2cyclictest0-21swapper/209:06:042
1262099110,10cyclictest0-21swapper/211:15:072
1262099110,10cyclictest0-21swapper/209:32:472
1261999111,8cyclictest0-21swapper/108:21:001
1261999111,3cyclictest13106-21munin-node1
1261999110,2cyclictest0-21swapper/109:57:131
1261999110,10cyclictest0-21swapper/107:27:051
1261899119,1cyclictest0-21swapper/010:05:120
1261899118,2cyclictest19179-21if_eth012:20:160
1261899118,2cyclictest0-21swapper/012:35:160
1261899118,2cyclictest0-21swapper/011:52:240
1261899118,2cyclictest0-21swapper/010:01:080
1261899118,2cyclictest0-21swapper/007:30:200
1261899111,8cyclictest0-21swapper/010:22:500
1261899111,6cyclictest1340-21ssh11:28:360
1261899110,9cyclictest0-21swapper/009:16:120
1261899110,1cyclictest0-21swapper/012:15:370
1261899110,10cyclictest0-21swapper/012:34:560
1261899110,10cyclictest0-21swapper/009:13:160
179752100,2sleep00-21swapper/011:11:280
1262199107,2cyclictest0-21swapper/308:55:163
1262199107,2cyclictest0-21swapper/308:25:303
1262199107,2cyclictest0-21swapper/308:05:143
1262199105,3cyclictest27232-21telnet09:05:133
1262199101,5cyclictest0-21swapper/307:30:123
1262099107,2cyclictest0-21swapper/209:18:152
1262099105,3cyclictest0-21swapper/208:10:002
1262099102,6cyclictest0-21swapper/209:01:012
1262099102,6cyclictest0-21swapper/207:47:492
1262099101,5cyclictest0-21swapper/208:40:012
1262099101,5cyclictest0-21swapper/208:40:002
1262099101,5cyclictest0-21swapper/207:24:592
1262099100,8cyclictest0-21swapper/209:40:482
1262099100,6cyclictest0-21swapper/208:24:592
1261899107,2cyclictest28991-21diskmemload11:31:370
1261899107,2cyclictest0-21swapper/011:56:080
1261899105,3cyclictest14892-21sh08:35:010
1261899102,6cyclictest0-21swapper/007:56:000
1261899101,7cyclictest3015-21ssh09:50:020
1261899100,7cyclictest1676-21ssh12:01:590
1261899100,6cyclictest0-21swapper/010:53:280
1261899100,6cyclictest0-21swapper/008:07:550
27189290,1sleep00-21swapper/009:05:060
126219992,6cyclictest0-21swapper/308:40:593
126219992,6cyclictest0-21swapper/308:40:583
126219991,3cyclictest13919-21missed_timers08:30:183
126209994,3cyclictest7070-21aten2.4_r3power08:15:132
126209994,3cyclictest3728-21runrttasks08:48:012
126209994,3cyclictest22036-21chrt07:30:512
126209994,3cyclictest12430-21unixbench_multi08:26:032
126209991,5cyclictest0-21swapper/207:10:112
126189994,3cyclictest9172-21aten2.4_r3power08:20:110
126189994,3cyclictest25529-21df_abs09:00:140
126189994,3cyclictest15575-21fschecks_count08:35:150
126189994,3cyclictest15575-21fschecks_count08:35:140
126189994,3cyclictest14970-21aten2.4-expect07:15:130
126189994,3cyclictest12857-21latency_hist08:30:000
126189993,2cyclictest0-21swapper/007:48:040
126219983,3cyclictest14966-21aten2.4_r3power07:15:133
126209983,3cyclictest5104-21aten2.4-expect08:10:122
126209983,3cyclictest29191-21aten2.4_r3power07:50:132
126209983,3cyclictest22515-21sed08:51:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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