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2026-06-15 - 19:34

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 Mon Jun 15, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4860211895,18sleep00-21swapper/007:08:510
4743211796,16sleep30-21swapper/307:07:223
48762116105,6sleep10-21swapper/107:09:041
4767210080,14sleep20-21swapper/207:07:412
55132900,1sleep2301ktimersoftd/208:30:132
322102780,0sleep10-21swapper/108:15:151
132332690,1sleep1221ktimersoftd/110:55:251
214022590,1sleep20-21swapper/210:30:132
41122400,1sleep20-21swapper/210:10:122
4980993619,16cyclictest0-21swapper/312:05:123
7042260,0sleep30-21swapper/310:42:123
497899221,19cyclictest0-21swapper/107:45:111
498099210,19cyclictest0-21swapper/310:25:113
497899211,18cyclictest0-21swapper/110:24:521
498099200,18cyclictest0-21swapper/307:45:123
4978992010,8cyclictest6983-21latency_hist07:15:011
287872200,0sleep00-21swapper/008:06:040
497899197,3cyclictest207150irq/24-eth111:55:191
497899191,3cyclictest0-21swapper/112:05:161
497899191,16cyclictest15082-21apt-get07:35:001
497899191,16cyclictest0-21swapper/109:30:131
497899190,3cyclictest1207-21munin-node1
497899190,2cyclictest0-21swapper/110:16:091
497899190,2cyclictest0-21swapper/109:28:031
497899190,18cyclictest0-21swapper/111:00:381
497899190,17cyclictest21327-21diskmemload09:45:121
497899190,12cyclictest21327-21diskmemload11:46:111
497899190,12cyclictest21327-21diskmemload11:46:101
497899190,11cyclictest0-21swapper/112:34:581
497899190,11cyclictest0-21swapper/111:54:231
150182190,1sleep0101ktimersoftd/011:32:590
4979991815,2cyclictest9835-21kworker/u8:212:13:042
4979991815,2cyclictest7402-21kworker/u8:110:20:052
497899189,1cyclictest0-21swapper/110:39:371
497899188,2cyclictest0-21swapper/111:40:191
497899188,2cyclictest0-21swapper/110:03:091
497899181,9cyclictest17342-21munin-node1
497899181,8cyclictest0-21swapper/110:30:191
497899181,7cyclictest0-21swapper/111:21:011
497899181,6cyclictest0-21swapper/109:05:141
4978991811,6cyclictest28490-21ssh12:22:501
4978991810,7cyclictest0-21swapper/112:17:481
4978991810,7cyclictest0-21swapper/110:51:441
497899180,3cyclictest22853-21cut09:10:281
497899180,2cyclictest0-21swapper/112:29:441
497899180,1cyclictest0-21swapper/109:37:351
497899180,12cyclictest0-21swapper/111:39:561
497899180,10cyclictest0-21swapper/110:13:531
498099171,3cyclictest0-21swapper/309:27:153
497899179,2cyclictest0-21swapper/112:04:421
497899179,2cyclictest0-21swapper/109:15:351
497899177,2cyclictest0-21swapper/112:14:011
497899177,2cyclictest0-21swapper/111:05:111
497899177,2cyclictest0-21swapper/108:30:141
497899175,3cyclictest2607-21ssh10:08:111
497899172,7cyclictest0-21swapper/108:52:591
4978991710,5cyclictest0-21swapper/111:34:301
497899170,9cyclictest0-21swapper/110:45:051
497899170,9cyclictest0-21swapper/110:44:221
497899170,8cyclictest7077-21tr12:35:121
497899170,3cyclictest0-21swapper/108:41:021
497899170,3cyclictest0-21swapper/107:20:011
497899170,2cyclictest0-21swapper/111:10:291
497899170,15cyclictest0-21swapper/109:21:171
498099161,13cyclictest0-21swapper/311:35:183
4979991613,2cyclictest6590-21kworker/u8:011:34:012
4979991613,2cyclictest5943-21kworker/u8:012:36:052
4979991613,2cyclictest25476-21kworker/u8:209:56:052
497899168,2cyclictest0-21swapper/111:25:161
497899163,5cyclictest19977-21ssh10:28:181
497899161,6cyclictest0-21swapper/109:53:111
497899161,3cyclictest29562-21ls08:10:011
497899160,8cyclictest21358-21munin-node1
497899160,8cyclictest0-21swapper/108:25:141
497899160,3cyclictest30517-21munin-node1
4977991613,2cyclictest21463-21kworker/u8:112:00:040
498099151,12cyclictest29909-21rm10:39:253
498099150,13cyclictest0-21swapper/308:35:003
498099150,13cyclictest0-21swapper/308:20:013
4979991512,2cyclictest8966-21kworker/u8:009:20:042
4979991512,2cyclictest21355-21kworker/u8:211:06:042
4979991512,2cyclictest1259-21kworker/u8:209:47:042
4979991512,2cyclictest0-21swapper/211:37:232
497999150,13cyclictest4299-21rm12:31:132
497999150,13cyclictest0-21swapper/209:35:022
497899157,2cyclictest0-21swapper/107:35:151
497899153,3cyclictest25679-21head08:00:131
497899152,11cyclictest0-21swapper/109:00:011
497899150,8cyclictest0-21swapper/107:25:141
497899150,7cyclictest0-21swapper/108:36:021
497899150,3cyclictest23559-21munin-node1
497899150,1cyclictest0-21swapper/109:55:521
4977991512,2cyclictest0-21swapper/008:56:020
4977991512,2cyclictest0-21swapper/007:45:110
497799150,13cyclictest0-21swapper/011:01:050
497799150,13cyclictest0-21swapper/010:59:510
498099149,3cyclictest7429-21ssh10:50:113
4980991411,2cyclictest0-21swapper/311:15:463
498099140,2cyclictest0-21swapper/308:10:073
498099140,13cyclictest0-21swapper/309:12:063
498099140,12cyclictest12926-21head08:46:023
498099140,12cyclictest0-21swapper/311:50:143
498099140,12cyclictest0-21swapper/308:20:183
4979991411,2cyclictest32561-21kworker/u8:210:56:052
4979991411,2cyclictest24094-21kworker/u8:011:48:062
4979991411,2cyclictest24094-21kworker/u8:011:48:052
4979991411,2cyclictest21133-21kworker/u8:009:52:042
4979991411,2cyclictest0-21swapper/211:17:322
4979991411,2cyclictest0-21swapper/211:00:422
4979991411,2cyclictest0-21swapper/209:10:122
497999140,13cyclictest0-21swapper/209:30:132
497899147,2cyclictest0-21swapper/109:44:121
4977991411,2cyclictest5207-21kworker/u8:009:36:040
4977991411,2cyclictest3497-21kworker/u8:210:10:020
4977991411,2cyclictest31300-21kworker/u8:108:30:060
4977991411,2cyclictest0-21swapper/011:59:020
4977991411,2cyclictest0-21swapper/010:44:310
4977991411,2cyclictest0-21swapper/009:19:310
497799140,2cyclictest0-21swapper/011:47:220
497799140,2cyclictest0-21swapper/011:47:210
497799140,13cyclictest0-21swapper/011:29:020
497799140,13cyclictest0-21swapper/010:20:020
497799140,13cyclictest0-21swapper/010:15:410
497799140,13cyclictest0-21swapper/010:06:310
497799140,13cyclictest0-21swapper/008:46:010
497799140,13cyclictest0-21swapper/008:41:020
497799140,12cyclictest21342-21gpgv09:10:010
497799140,12cyclictest0-21swapper/011:41:240
497799140,12cyclictest0-21swapper/011:15:150
497799140,12cyclictest0-21swapper/009:10:150
80422130,2sleep00-21swapper/010:50:150
62502130,2sleep00-21swapper/010:48:360
4980991310,2cyclictest7200-21apt-get07:15:103
4980991310,2cyclictest27842-21ssh09:59:133
4980991310,2cyclictest0-21swapper/312:34:263
4980991310,2cyclictest0-21swapper/312:00:163
4980991310,2cyclictest0-21swapper/311:33:073
4980991310,2cyclictest0-21swapper/310:21:033
4980991310,2cyclictest0-21swapper/310:19:553
4980991310,2cyclictest0-21swapper/310:06:023
4980991310,2cyclictest0-21swapper/309:46:463
498099130,2cyclictest0-21swapper/310:30:573
498099130,2cyclictest0-21swapper/308:55:123
498099130,12cyclictest0-21swapper/312:35:173
498099130,12cyclictest0-21swapper/312:16:173
498099130,12cyclictest0-21swapper/311:55:133
498099130,12cyclictest0-21swapper/311:08:373
498099130,12cyclictest0-21swapper/309:34:573
498099130,12cyclictest0-21swapper/307:36:043
498099130,11cyclictest0-21swapper/309:51:083
497999138,3cyclictest0-21swapper/207:50:002
4979991310,2cyclictest22838-21kworker/u8:007:54:052
4979991310,2cyclictest21742-21kworker/u8:109:17:052
4979991310,2cyclictest11304-21kworker/u8:207:39:052
4979991310,2cyclictest0-21swapper/210:51:032
4979991310,2cyclictest0-21swapper/210:00:532
4979991310,2cyclictest0-21swapper/208:55:122
4979991310,2cyclictest0-21swapper/208:45:122
497999130,2cyclictest27988-21sh08:05:142
497999130,2cyclictest0-21swapper/212:00:042
497999130,11cyclictest0-21swapper/212:19:052
497899130,5cyclictest0-21swapper/107:22:581
4977991310,2cyclictest9835-21kworker/u8:212:19:040
4977991310,2cyclictest0-21swapper/012:21:220
4977991310,2cyclictest0-21swapper/011:20:160
4977991310,2cyclictest0-21swapper/010:36:120
497799130,2cyclictest0-21swapper/011:36:220
497799130,2cyclictest0-21swapper/011:07:110
497799130,2cyclictest0-21swapper/010:28:110
497799130,2cyclictest0-21swapper/007:41:020
497799130,12cyclictest0-21swapper/011:10:420
497799130,12cyclictest0-21swapper/010:32:010
497799130,12cyclictest0-21swapper/009:59:150
497799130,12cyclictest0-21swapper/009:40:310
497799130,11cyclictest0-21swapper/009:46:330
221362130,2sleep00-21swapper/007:50:190
79172120,2sleep00-21swapper/009:32:280
498099129,2cyclictest0-21swapper/311:11:153
498099129,2cyclictest0-21swapper/310:48:513
498099129,2cyclictest0-21swapper/310:01:453
498099129,2cyclictest0-21swapper/309:42:473
498099129,2cyclictest0-21swapper/309:21:363
498099129,2cyclictest0-21swapper/309:17:153
498099129,2cyclictest0-21swapper/308:25:143
498099122,6cyclictest0-21swapper/307:21:013
498099120,2cyclictest0-21swapper/312:23:253
498099120,2cyclictest0-21swapper/310:11:163
498099120,11cyclictest17465-21ssh12:10:253
498099120,11cyclictest0-21swapper/312:25:193
498099120,11cyclictest0-21swapper/311:45:143
498099120,11cyclictest0-21swapper/311:45:133
498099120,11cyclictest0-21swapper/311:27:143
498099120,11cyclictest0-21swapper/311:21:573
498099120,11cyclictest0-21swapper/311:00:163
498099120,11cyclictest0-21swapper/310:56:273
498099120,11cyclictest0-21swapper/309:35:233
498099120,11cyclictest0-21swapper/308:50:153
497999129,2cyclictest8915-21kworker/u8:007:23:042
497999129,2cyclictest668-21kworker/u8:112:29:042
497999129,2cyclictest27523-21kworker/u8:107:14:052
497999129,2cyclictest1372-21kworker/u8:008:22:042
497999129,2cyclictest0-21swapper/211:50:132
497999129,2cyclictest0-21swapper/210:47:542
497999129,2cyclictest0-21swapper/209:05:132
497999129,2cyclictest0-21swapper/207:30:152
497899127,3cyclictest0-21swapper/108:45:101
497899120,10cyclictest0-21swapper/108:10:371
497799129,2cyclictest8915-21kworker/u8:007:33:040
497799129,2cyclictest668-21kworker/u8:112:30:060
497799129,2cyclictest29934-21ssh10:02:210
497799129,2cyclictest21327-21diskmemload09:20:560
497799129,2cyclictest15871-21ssh12:09:460
497799129,2cyclictest0-21swapper/011:51:010
497799129,2cyclictest0-21swapper/009:53:010
497799129,2cyclictest0-21swapper/008:00:180
497799129,2cyclictest0-21swapper/007:36:050
497799120,2cyclictest0-21swapper/012:27:450
497799120,11cyclictest0-21swapper/012:35:160
497799120,11cyclictest0-21swapper/012:10:040
275462120,2sleep20-21swapper/211:11:032
26262120,2sleep20-21swapper/210:08:132
236532120,2sleep20-21swapper/211:42:002
225282120,2sleep30-21swapper/311:40:453
498099118,2cyclictest0-21swapper/307:53:483
498099111,6cyclictest0-21swapper/307:55:113
497999118,2cyclictest9835-21kworker/u8:212:24:042
497999118,2cyclictest7402-21kworker/u8:110:19:042
497999118,2cyclictest3497-21kworker/u8:210:26:042
497999118,2cyclictest26739-21sensors08:01:032
497999118,2cyclictest22838-21kworker/u8:007:55:042
497999118,2cyclictest21463-21kworker/u8:112:07:052
497999118,2cyclictest11304-21kworker/u8:207:26:052
497999118,2cyclictest0-21swapper/211:25:032
497999118,2cyclictest0-21swapper/209:25:422
497999110,2cyclictest0-21swapper/211:22:052
497899118,2cyclictest0-21swapper/109:00:171
497799118,2cyclictest0-21swapper/008:51:010
497799118,2cyclictest0-21swapper/007:22:410
497799110,10cyclictest0-21swapper/009:27:020
497799110,10cyclictest0-21swapper/008:23:040
498099107,2cyclictest0-21swapper/307:40:113
498099101,6cyclictest0-21swapper/307:10:113
498099100,6cyclictest0-21swapper/309:01:033
497999107,2cyclictest8966-21kworker/u8:008:43:052
497999107,2cyclictest11304-21kworker/u8:207:40:042
497999107,2cyclictest0-21swapper/210:41:052
497999107,2cyclictest0-21swapper/210:37:582
497799107,2cyclictest25221-21kworker/u8:107:59:040
497799107,2cyclictest0-21swapper/008:30:000
497799107,2cyclictest0-21swapper/008:10:110
497799107,2cyclictest0-21swapper/007:15:150
49809996,2cyclictest0-21swapper/308:35:113
49809996,2cyclictest0-21swapper/308:09:563
49809994,3cyclictest20374-21uname09:05:173
49809993,4cyclictest26105-21grep08:00:163
49809990,6cyclictest0-21swapper/307:26:023
49799996,2cyclictest8966-21kworker/u8:008:51:052
49799994,3cyclictest31960-21df_abs08:15:132
49799994,3cyclictest30139-21tune2fs08:10:122
49799994,3cyclictest18533-21chrt09:00:222
49799993,4cyclictest3586-21df08:25:152
49779996,2cyclictest27455-21kworker/u8:208:18:050
49779996,2cyclictest0-21swapper/007:25:120
49779990,8cyclictest31300-21kworker/u8:108:38:050
49779990,8cyclictest0-21swapper/009:01:010
49809984,2cyclictest3728-21runrttasks08:40:053
49809981,3cyclictest14161-21ntp_states07:30:153
49799984,3cyclictest7736-21cpuspeed_turbos08:35:122
49799983,3cyclictest8613-21unixbench_singl07:16:022
49799983,3cyclictest3152-21nscd11:55:132
49799983,3cyclictest12944-21ssh09:40:102
49779985,2cyclictest27523-21kworker/u8:107:12:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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