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2026-07-19 - 07:27

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 Sun Jul 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1458921230,1sleep10-21swapper/122:12:481
14462121110,6sleep10-21swapper/119:06:281
1652211389,19sleep00-21swapper/019:09:080
1640210695,6sleep30-21swapper/319:08:583
1599210588,12sleep20-21swapper/219:08:262
222522800,1sleep00-21swapper/000:33:290
287212770,1sleep328729-21mailstats20:16:003
59262280,1sleep20-21swapper/223:10:132
174799210,19cyclictest0-21swapper/023:00:130
238342200,0sleep00-21swapper/022:55:160
175099200,2cyclictest0-21swapper/322:00:113
174999200,2cyclictest0-21swapper/223:20:122
1750991913,5cyclictest0-21swapper/322:40:113
1748991813,3cyclictest207150irq/24-eth123:55:121
174899181,14cyclictest0-21swapper/123:00:201
174999170,15cyclictest0-21swapper/223:00:132
174999170,15cyclictest0-21swapper/222:10:112
175099160,2cyclictest0-21swapper/321:06:023
174899162,2cyclictest17276-21diskmemload21:26:041
174899161,3cyclictest0-21swapper/123:41:061
174899161,3cyclictest0-21swapper/121:00:151
174899161,13cyclictest23571-21apt-get00:35:101
1748991611,3cyclictest0-21swapper/119:21:021
174799160,14cyclictest19973-21ssh23:57:460
1750991510,3cyclictest20147-21ssh23:25:123
175099150,13cyclictest14740-21ssh23:52:123
174999151,3cyclictest10216-21diskstats19:30:142
174999151,2cyclictest0-21swapper/200:25:132
174999150,2cyclictest0-21swapper/221:55:122
174999150,13cyclictest17276-21diskmemload22:02:232
174999150,13cyclictest0-21swapper/222:45:342
174899151,2cyclictest24072-21grep21:16:041
1748991511,3cyclictest0-21swapper/123:25:541
1748991511,2cyclictest207150irq/24-eth100:15:341
1748991510,3cyclictest0-21swapper/122:18:441
174899150,13cyclictest10811-21cut19:30:201
174899150,13cyclictest0-21swapper/100:21:141
174899150,11cyclictest0-21swapper/121:30:291
174799151,12cyclictest5516-21unixbench_multi19:16:040
174799151,12cyclictest1567-21munin-node0
174799150,13cyclictest20196-21munin-node0
174799150,13cyclictest12642-21ssh22:10:260
85082140,3sleep00-21swapper/023:12:400
1750991411,2cyclictest0-21swapper/320:25:023
1750991411,2cyclictest0-21swapper/300:22:113
175099140,2cyclictest0-21swapper/321:59:023
175099140,13cyclictest0-21swapper/322:34:213
175099140,13cyclictest0-21swapper/321:51:023
175099140,12cyclictest5735-21df20:40:143
175099140,12cyclictest17276-21diskmemload21:33:123
175099140,12cyclictest0-21swapper/323:14:423
175099140,12cyclictest0-21swapper/319:15:183
175099140,12cyclictest0-21swapper/300:30:003
175099140,11cyclictest0-21swapper/322:27:023
174999141,3cyclictest0-21swapper/221:27:562
174999141,3cyclictest0-21swapper/219:40:152
1749991411,2cyclictest17276-21diskmemload23:30:032
1749991411,2cyclictest0-21swapper/221:47:022
1749991411,2cyclictest0-21swapper/221:39:522
174999140,7cyclictest0-21swapper/221:09:592
174999140,3cyclictest0-21swapper/221:24:342
174999140,2cyclictest0-21swapper/222:52:232
174999140,13cyclictest0-21swapper/223:05:532
174999140,13cyclictest0-21swapper/221:33:122
174999140,13cyclictest0-21swapper/221:16:122
174999140,12cyclictest24418-21kworker/u8:022:38:042
174999140,12cyclictest0-21swapper/200:32:142
1748991411,2cyclictest0-21swapper/122:35:141
1748991411,2cyclictest0-21swapper/121:57:131
1748991410,2cyclictest22227-21munin-node1
1748991410,2cyclictest17534-21apt-get19:50:121
174899140,3cyclictest0-21swapper/123:07:301
174899140,2cyclictest0-21swapper/123:45:331
174899140,2cyclictest0-21swapper/122:03:041
174899140,2cyclictest0-21swapper/121:06:031
174899140,13cyclictest0-21swapper/100:32:341
174899140,12cyclictest0-21swapper/123:30:161
174899140,12cyclictest0-21swapper/122:05:001
1747991411,2cyclictest0-21swapper/023:27:560
1747991410,2cyclictest0-21swapper/021:20:180
1747991410,2cyclictest0-21swapper/021:13:190
174799140,3cyclictest24525-21ssh21:16:110
174799140,2cyclictest0-21swapper/023:38:450
174799140,2cyclictest0-21swapper/000:20:560
174799140,13cyclictest0-21swapper/022:26:360
174799140,13cyclictest0-21swapper/021:57:150
174799140,12cyclictest16206-21python21:40:590
174799140,12cyclictest0-21swapper/019:21:000
174799140,12cyclictest0-21swapper/000:16:010
174799140,12cyclictest0-21swapper/000:02:310
150942140,2sleep00-21swapper/023:52:450
13502140,2sleep00-21swapper/000:11:370
233332130,2sleep017276-21diskmemload22:21:130
208382130,2sleep00-21swapper/021:45:470
175102130,2sleep10-21swapper/100:28:421
1750991310,2cyclictest0-21swapper/322:19:023
175099130,2cyclictest0-21swapper/322:47:323
175099130,2cyclictest0-21swapper/322:36:033
175099130,12cyclictest0-21swapper/323:15:223
175099130,12cyclictest0-21swapper/322:08:513
175099130,12cyclictest0-21swapper/321:24:423
175099130,11cyclictest17905-21kworker/u8:321:48:053
174999138,3cyclictest0-21swapper/221:50:332
174999132,6cyclictest0-21swapper/220:25:012
174999132,6cyclictest0-21swapper/220:20:002
174999132,6cyclictest0-21swapper/220:15:012
174999132,6cyclictest0-21swapper/220:05:012
1749991310,2cyclictest0-21swapper/223:58:432
1749991310,2cyclictest0-21swapper/222:15:092
1749991310,2cyclictest0-21swapper/219:25:212
1749991310,2cyclictest0-21swapper/200:36:242
1749991310,2cyclictest0-21swapper/200:20:222
174999130,2cyclictest0-21swapper/222:05:322
174999130,12cyclictest0-21swapper/223:52:032
174999130,12cyclictest0-21swapper/222:40:132
174999130,12cyclictest0-21swapper/221:40:022
174999130,12cyclictest0-21swapper/200:15:132
174999130,12cyclictest0-21swapper/200:05:432
174999130,11cyclictest0-21swapper/223:37:072
174899138,3cyclictest0-21swapper/121:46:281
174899131,3cyclictest0-21swapper/122:56:041
1748991310,2cyclictest0-21swapper/122:50:161
1748991310,2cyclictest0-21swapper/121:50:141
1748991310,2cyclictest0-21swapper/121:40:041
1748991310,2cyclictest0-21swapper/100:01:041
174899130,2cyclictest0-21swapper/123:16:241
174899130,2cyclictest0-21swapper/122:45:331
174899130,2cyclictest0-21swapper/120:35:181
174899130,1cyclictest0-21swapper/122:32:441
174899130,1cyclictest0-21swapper/100:14:231
174899130,12cyclictest0-21swapper/123:50:041
174899130,12cyclictest0-21swapper/123:23:331
174899130,12cyclictest0-21swapper/121:20:181
174899130,11cyclictest17276-21diskmemload00:07:271
174899130,11cyclictest0-21swapper/119:55:301
174799139,2cyclictest0-21swapper/019:10:010
1747991310,2cyclictest0-21swapper/023:15:360
1747991310,2cyclictest0-21swapper/023:07:080
1747991310,2cyclictest0-21swapper/021:28:170
1747991310,2cyclictest0-21swapper/000:35:100
1747991310,2cyclictest0-21swapper/000:05:160
174799130,2cyclictest19517-21ssh22:17:500
174799130,2cyclictest17276-21diskmemload21:38:560
174799130,2cyclictest0-21swapper/023:42:260
174799130,2cyclictest0-21swapper/023:32:400
174799130,2cyclictest0-21swapper/022:51:460
174799130,2cyclictest0-21swapper/022:41:360
174799130,2cyclictest0-21swapper/022:33:470
174799130,2cyclictest0-21swapper/000:25:580
174799130,11cyclictest0-21swapper/021:50:580
174799130,11cyclictest0-21swapper/021:34:090
324242120,2sleep20-21swapper/200:10:182
261602120,2sleep30-21swapper/300:37:013
175099129,2cyclictest0-21swapper/323:35:533
175099129,2cyclictest0-21swapper/322:57:003
175099129,2cyclictest0-21swapper/320:30:173
175099129,2cyclictest0-21swapper/320:23:123
175099122,6cyclictest0-21swapper/320:11:033
175099120,2cyclictest0-21swapper/319:25:173
175099120,2cyclictest0-21swapper/319:20:403
175099120,11cyclictest0-21swapper/322:50:173
175099120,10cyclictest17276-21diskmemload21:27:303
174999129,2cyclictest7394-21apt-get23:45:112
174999129,2cyclictest0-21swapper/223:15:432
174999129,2cyclictest0-21swapper/222:56:052
174999129,2cyclictest0-21swapper/222:20:492
174999129,2cyclictest0-21swapper/221:11:132
174999127,3cyclictest20262-21ssh23:25:132
174999122,7cyclictest0-21swapper/220:38:592
174999121,7cyclictest0-21swapper/219:37:592
174999120,2cyclictest0-21swapper/222:31:212
174999120,11cyclictest1487-21kworker/u8:119:12:042
174999120,11cyclictest0-21swapper/223:42:532
174999120,11cyclictest0-21swapper/222:25:132
174999120,11cyclictest0-21swapper/221:00:152
174999120,11cyclictest0-21swapper/220:00:172
174999120,11cyclictest0-21swapper/220:00:172
174999120,11cyclictest0-21swapper/219:20:122
174899129,2cyclictest0-21swapper/123:35:081
174899129,2cyclictest0-21swapper/121:36:101
174899128,2cyclictest9440-21munin-node1
174899128,2cyclictest8841-21sed20:46:021
174899127,3cyclictest9143-21hddtemp_smartct22:40:141
174899127,3cyclictest0-21swapper/120:31:001
174899123,7cyclictest4562-21gdm-simple-gree20:22:591
174899122,7cyclictest4562-21gdm-simple-gree19:18:591
174899121,9cyclictest0-21swapper/121:10:161
174899121,3cyclictest21565-21munin-node1
174899121,3cyclictest21565-21munin-node1
174899120,2cyclictest0-21swapper/120:25:131
174899120,1cyclictest0-21swapper/123:10:241
174899120,11cyclictest0-21swapper/122:25:581
174899120,11cyclictest0-21swapper/119:40:521
174899120,11cyclictest0-21swapper/119:10:161
174899120,10cyclictest0-21swapper/120:10:141
174799129,2cyclictest0-21swapper/023:20:060
174799129,2cyclictest0-21swapper/022:35:110
174799129,2cyclictest0-21swapper/022:05:400
174799129,2cyclictest0-21swapper/020:30:590
174799122,7cyclictest4556-21metacity20:27:590
174799120,2cyclictest0-21swapper/023:45:210
174799120,2cyclictest0-21swapper/021:05:400
174799120,2cyclictest0-21swapper/021:00:180
174799120,2cyclictest0-21swapper/020:00:120
174799120,2cyclictest0-21swapper/020:00:120
174799120,11cyclictest0-21swapper/022:45:400
174799120,11cyclictest0-21swapper/020:52:590
174799120,11cyclictest0-21swapper/020:10:180
174799120,11cyclictest0-21swapper/019:40:180
174799120,11cyclictest0-21swapper/019:30:180
175099118,2cyclictest0-21swapper/323:34:023
175099118,2cyclictest0-21swapper/321:17:313
175099118,2cyclictest0-21swapper/321:10:163
175099118,2cyclictest0-21swapper/319:40:143
175099118,2cyclictest0-21swapper/319:35:123
175099113,2cyclictest0-21swapper/320:03:043
175099113,2cyclictest0-21swapper/320:03:043
175099110,9cyclictest5679-21kworker/u8:223:21:053
175099110,9cyclictest30108-21kworker/u8:223:41:053
175099110,9cyclictest0-21swapper/300:00:083
175099110,5cyclictest29887-21ssh00:08:013
175099110,3cyclictest0-21swapper/323:57:463
175099110,2cyclictest0-21swapper/322:23:183
175099110,2cyclictest0-21swapper/300:19:013
175099110,2cyclictest0-21swapper/300:14:263
175099110,10cyclictest0-21swapper/321:42:213
175099110,10cyclictest0-21swapper/321:36:503
175099110,10cyclictest0-21swapper/320:56:023
175099110,10cyclictest0-21swapper/300:34:333
174999110,9cyclictest29656-21kworker/u8:120:25:042
174999110,10cyclictest0-21swapper/220:31:022
174999110,10cyclictest0-21swapper/200:03:052
174899116,3cyclictest17422-21grep19:50:011
174899111,8cyclictest0-21swapper/119:36:011
174899110,9cyclictest0-21swapper/120:55:171
174799113,5cyclictest0-21swapper/020:56:000
174799112,6cyclictest0-21swapper/020:18:020
174799110,8cyclictest0-21swapper/020:36:590
174799110,10cyclictest0-21swapper/020:41:060
174799110,10cyclictest0-21swapper/020:20:120
175099107,2cyclictest0-21swapper/319:45:133
175099100,9cyclictest0-21swapper/323:07:063
175099100,9cyclictest0-21swapper/320:05:113
175099100,4cyclictest0-21swapper/319:57:043
175099100,2cyclictest0-21swapper/323:01:433
175099100,2cyclictest0-21swapper/322:10:253
174999107,2cyclictest0-21swapper/219:45:142
174999102,6cyclictest0-21swapper/220:50:012
174999101,4cyclictest0-21swapper/220:55:012
174899105,3cyclictest5424-21munin-node1
174899100,2cyclictest0-21swapper/119:25:141
174799103,5cyclictest0-21swapper/020:06:340
174799102,5cyclictest0-21swapper/019:54:590
174799100,9cyclictest0-21swapper/019:29:560
174799100,7cyclictest0-21swapper/020:47:590
174799100,7cyclictest0-21swapper/019:48:580
17509990,8cyclictest18552-21kworker/u8:023:49:053
17509990,8cyclictest17600-21kworker/u8:219:51:043
17509990,8cyclictest13225-21kworker/u8:321:02:013
17509990,8cyclictest11914-21kworker/u8:219:31:033
17509990,8cyclictest0-21swapper/320:54:513
17509990,5cyclictest0-21swapper/320:36:023
17499995,2cyclictest0-21swapper/219:55:162
17499994,3cyclictest6194-21cat20:40:162
17499994,3cyclictest3158-21dbus-daemon19:50:052
17499994,3cyclictest13243-21latency_hist21:00:012
17499991,6cyclictest0-21swapper/219:16:252
17489996,2cyclictest0-21swapper/120:05:121
17489990,2cyclictest0-21swapper/120:15:131
17479992,6cyclictest0-21swapper/019:36:290
17509985,2cyclictest0-21swapper/319:13:263
17509983,3cyclictest7875-21grep20:45:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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