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2026-07-12 - 01:52

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 12, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22926211796,16sleep30-21swapper/319:08:343
227612113103,6sleep20-21swapper/219:06:282
22801210887,16sleep00-21swapper/019:06:580
2298429779,13sleep10-21swapper/119:09:201
258952850,5sleep32307499cyclictest22:35:173
50752830,0sleep10-21swapper/100:27:391
22072790,0sleep10-21swapper/123:18:001
136342790,0sleep30-21swapper/321:15:573
245682770,1sleep10-21swapper/120:31:041
49372760,5sleep12307199cyclictest23:20:171
90002690,0sleep30-21swapper/319:55:003
2307299250,23cyclictest0-21swapper/220:54:592
2306799250,23cyclictest0-21swapper/020:55:020
2306799240,11cyclictest0-21swapper/020:20:120
2307299233,18cyclictest0-21swapper/223:35:122
2307299230,22cyclictest0-21swapper/220:55:042
2306799220,2cyclictest0-21swapper/022:35:120
2307299210,19cyclictest0-21swapper/221:40:102
2307199212,4cyclictest23066-21cyclictest20:02:041
2307199210,4cyclictest0-21swapper/120:18:041
2306799210,19cyclictest0-21swapper/019:30:130
23074992017,2cyclictest3024-21kworker/u8:219:48:013
2307299200,2cyclictest0-21swapper/222:35:112
2307299200,15cyclictest0-21swapper/222:57:052
2307299200,15cyclictest0-21swapper/222:18:022
2306799200,18cyclictest0-21swapper/021:40:100
23074991916,2cyclictest31492-21kworker/u8:019:44:053
23074991916,2cyclictest3024-21kworker/u8:219:58:053
23074991916,2cyclictest18236-21kworker/u8:119:19:053
23074991916,2cyclictest16797-21kworker/u8:220:20:053
23074991916,2cyclictest16797-21kworker/u8:220:18:053
23072991916,2cyclictest27142-21kworker/u8:100:28:052
2307199190,4cyclictest0-21swapper/121:39:051
2307199190,4cyclictest0-21swapper/119:55:051
23074991815,2cyclictest31492-21kworker/u8:020:02:043
23074991815,2cyclictest31387-21kworker/u8:121:08:053
23074991815,2cyclictest31387-21kworker/u8:120:52:013
23074991815,2cyclictest30341-21kworker/u8:221:44:063
23074991815,2cyclictest27142-21kworker/u8:100:29:043
23074991815,2cyclictest24987-21kworker/u8:023:08:053
23074991815,2cyclictest18831-21kworker/u8:320:34:053
23074991815,2cyclictest17028-21kworker/u8:221:24:023
23072991815,2cyclictest17446-21kworker/u8:122:27:042
2307199182,2cyclictest0-21swapper/122:49:051
23074991714,2cyclictest655-21kworker/u8:022:41:053
23074991714,2cyclictest30341-21kworker/u8:222:05:053
23074991714,2cyclictest30341-21kworker/u8:221:39:053
23074991714,2cyclictest2764-21kworker/u8:223:22:053
23074991714,2cyclictest27364-21kworker/u8:219:29:053
23074991714,2cyclictest27142-21kworker/u8:100:30:023
23074991714,2cyclictest27023-21kworker/u8:322:12:043
23074991714,2cyclictest18831-21kworker/u8:320:35:043
23074991714,2cyclictest18831-21kworker/u8:320:27:043
23074991714,2cyclictest12578-21kworker/u8:021:50:063
23074991714,2cyclictest12578-21kworker/u8:021:49:053
23074991714,2cyclictest12578-21kworker/u8:021:49:043
2307299172,2cyclictest0-21swapper/221:38:052
2307299172,2cyclictest0-21swapper/200:31:052
23072991714,2cyclictest7045-21kworker/u8:000:37:052
23072991714,2cyclictest30341-21kworker/u8:221:57:052
23072991714,2cyclictest30341-21kworker/u8:221:34:062
23072991714,2cyclictest3024-21kworker/u8:219:47:052
23072991714,2cyclictest27023-21kworker/u8:322:20:062
23072991714,2cyclictest26940-21kworker/u8:120:42:052
23072991714,2cyclictest18831-21kworker/u8:320:24:022
23072991714,2cyclictest16797-21kworker/u8:220:19:052
23072991714,2cyclictest12855-21kworker/u8:100:04:042
23072991714,2cyclictest12578-21kworker/u8:021:50:022
2307199173,2cyclictest0-21swapper/120:23:051
2307199172,14cyclictest0-21swapper/122:36:041
2307199170,3cyclictest0-21swapper/123:32:051
23074991613,2cyclictest5521-21kworker/u8:200:10:053
23074991613,2cyclictest30341-21kworker/u8:221:58:043
23074991613,2cyclictest24987-21kworker/u8:023:14:043
23074991613,2cyclictest24335-21kworker/u8:020:46:053
23074991613,2cyclictest23473-21kworker/u8:019:14:043
23074991613,2cyclictest17446-21kworker/u8:122:28:053
2307299162,6cyclictest0-21swapper/220:29:012
23072991613,2cyclictest31492-21kworker/u8:020:09:052
23072991613,2cyclictest3024-21kworker/u8:219:59:052
23072991613,2cyclictest24335-21kworker/u8:020:47:052
23072991613,2cyclictest20155-21kworker/u8:323:07:052
2307299160,12cyclictest0-21swapper/221:16:042
2307299160,12cyclictest0-21swapper/220:32:052
2307199163,2cyclictest0-21swapper/119:25:041
2307199161,13cyclictest4970-21munin-run21:05:001
2306799161,13cyclictest0-21swapper/022:07:100
159772160,1sleep00-21swapper/022:25:160
23074991512,2cyclictest23141-21kworker/u8:123:42:053
23074991512,2cyclictest12855-21kworker/u8:100:03:043
23072991512,2cyclictest5521-21kworker/u8:200:12:022
23072991512,2cyclictest3024-21kworker/u8:219:50:052
23072991512,2cyclictest27364-21kworker/u8:219:22:052
23072991512,2cyclictest18236-21kworker/u8:119:17:052
2307299151,12cyclictest4562-21gdm-simple-gree23:51:582
2307299150,13cyclictest23761-21perl23:40:142
2307299150,10cyclictest0-21swapper/219:27:042
2307199151,3cyclictest0-21swapper/100:38:061
2307199151,12cyclictest23-21ksoftirqd/123:40:181
23071991510,4cyclictest0-21swapper/121:21:311
2307199150,3cyclictest23-21ksoftirqd/100:23:051
2307199150,13cyclictest0-21swapper/121:46:031
2307199150,13cyclictest0-21swapper/121:46:031
2307199150,13cyclictest0-21swapper/119:36:021
2307199150,13cyclictest0-21swapper/119:15:051
2306799151,12cyclictest815-21ssh22:10:110
23067991510,3cyclictest0-21swapper/022:40:590
295422140,2sleep20-21swapper/223:45:562
23074991411,2cyclictest5014-21kworker/u8:022:49:043
23074991411,2cyclictest2764-21kworker/u8:223:32:053
23074991411,2cyclictest24987-21kworker/u8:023:15:053
2307499140,13cyclictest0-21swapper/323:52:063
2307499140,13cyclictest0-21swapper/322:16:173
2307499140,12cyclictest0-21swapper/323:25:113
2307499140,12cyclictest0-21swapper/323:00:393
2307499140,12cyclictest0-21swapper/300:06:173
23072991411,2cyclictest31916-21kworker/u8:123:17:042
23072991411,2cyclictest31387-21kworker/u8:121:06:052
23072991411,2cyclictest27023-21kworker/u8:322:10:042
2307299140,9cyclictest0-21swapper/220:37:052
2307199145,8cyclictest25415-21ssh00:15:151
2307199142,6cyclictest0-21swapper/123:05:051
2307199141,2cyclictest207150irq/24-eth122:50:131
2307199141,2cyclictest0-21swapper/121:16:321
23071991411,2cyclictest0-21swapper/123:46:511
23071991411,2cyclictest0-21swapper/122:18:411
23071991411,2cyclictest0-21swapper/121:13:311
2307199140,2cyclictest0-21swapper/121:43:301
2307199140,1cyclictest0-21swapper/100:09:511
2307199140,12cyclictest0-21swapper/121:26:561
23067991410,2cyclictest0-21swapper/000:01:020
2306799140,13cyclictest0-21swapper/023:35:150
2306799140,12cyclictest0-21swapper/023:21:140
2306799140,12cyclictest0-21swapper/021:51:080
2306799140,12cyclictest0-21swapper/000:38:240
168842140,0sleep20-21swapper/200:06:042
128202140,0sleep20-21swapper/221:49:072
128202140,0sleep20-21swapper/221:49:062
87032130,1sleep2301ktimersoftd/223:58:102
2307499139,2cyclictest0-21swapper/322:57:143
23074991310,2cyclictest27364-21kworker/u8:219:30:063
23074991310,2cyclictest0-21swapper/322:52:073
23074991310,2cyclictest0-21swapper/322:00:033
23074991310,2cyclictest0-21swapper/321:30:123
23074991310,2cyclictest0-21swapper/300:23:373
2307499130,2cyclictest0-21swapper/321:11:053
2307499130,12cyclictest0-21swapper/323:37:463
2307499130,12cyclictest0-21swapper/321:25:093
2307499130,11cyclictest0-21swapper/322:20:303
23072991310,2cyclictest18236-21kworker/u8:119:36:042
23072991310,2cyclictest17446-21kworker/u8:122:31:052
2307299130,9cyclictest0-21swapper/221:25:042
2307199138,3cyclictest0-21swapper/120:50:111
2307199131,3cyclictest30219-21needreboot20:45:171
2307199131,3cyclictest0-21swapper/120:55:051
2307199131,3cyclictest0-21swapper/119:15:001
2307199131,11cyclictest0-21swapper/120:25:401
23071991310,2cyclictest21-21rcuc/121:50:121
23071991310,2cyclictest0-21swapper/123:35:511
23071991310,2cyclictest0-21swapper/123:29:031
23071991310,2cyclictest0-21swapper/122:10:061
23071991310,2cyclictest0-21swapper/122:00:041
23071991310,2cyclictest0-21swapper/121:58:011
23071991310,2cyclictest0-21swapper/120:40:001
2307199130,3cyclictest1593-21cut23:50:291
2307199130,2cyclictest23-21ksoftirqd/100:30:231
2307199130,2cyclictest19544-21ssh22:29:351
2307199130,2cyclictest0-21swapper/123:02:201
2307199130,2cyclictest0-21swapper/122:05:111
2307199130,2cyclictest0-21swapper/121:30:161
2307199130,2cyclictest0-21swapper/100:01:061
2307199130,12cyclictest6974-21diskmemload22:40:131
2307199130,12cyclictest0-21swapper/123:56:041
2307199130,12cyclictest0-21swapper/123:10:121
2307199130,12cyclictest0-21swapper/122:20:531
2306799139,2cyclictest1570-21sh23:17:020
2306799138,3cyclictest0-21swapper/023:05:140
2306799138,3cyclictest0-21swapper/020:36:050
23067991310,2cyclictest8411-21ssh00:30:570
23067991310,2cyclictest1142-21ssh00:24:200
23067991310,2cyclictest0-21swapper/023:50:580
23067991310,2cyclictest0-21swapper/023:45:140
23067991310,2cyclictest0-21swapper/023:11:450
23067991310,2cyclictest0-21swapper/022:59:480
23067991310,2cyclictest0-21swapper/022:22:080
23067991310,2cyclictest0-21swapper/022:16:000
23067991310,2cyclictest0-21swapper/022:01:080
23067991310,2cyclictest0-21swapper/021:55:170
23067991310,2cyclictest0-21swapper/021:47:100
23067991310,2cyclictest0-21swapper/021:47:100
23067991310,2cyclictest0-21swapper/019:45:160
23067991310,2cyclictest0-21swapper/019:40:110
23067991310,2cyclictest0-21swapper/000:10:590
2306799130,2cyclictest6974-21diskmemload23:01:590
2306799130,2cyclictest0-21swapper/023:25:350
2306799130,12cyclictest0-21swapper/022:31:150
2306799130,11cyclictest6974-21diskmemload22:50:170
2306799130,11cyclictest6974-21diskmemload21:25:110
2306799130,11cyclictest4826-21ssh00:27:160
325452120,2sleep20-21swapper/222:09:532
291472120,2sleep20-21swapper/200:19:592
2307499129,2cyclictest0-21swapper/322:33:313
2307499129,2cyclictest0-21swapper/320:55:173
2307499129,2cyclictest0-21swapper/320:10:133
2307499129,2cyclictest0-21swapper/300:36:173
2307499120,2cyclictest0-21swapper/323:55:513
2307499120,2cyclictest0-21swapper/320:05:273
2307499120,11cyclictest0-21swapper/323:45:523
2307499120,11cyclictest0-21swapper/320:40:083
2307499120,11cyclictest0-21swapper/300:16:093
2307299129,2cyclictest31492-21kworker/u8:020:03:042
2307299129,2cyclictest24987-21kworker/u8:023:13:052
2307299127,3cyclictest11161-21ssh22:54:092
2307299122,7cyclictest0-21swapper/219:42:592
2307299121,6cyclictest0-21swapper/221:25:012
2307299120,2cyclictest0-21swapper/222:47:052
2307299120,2cyclictest0-21swapper/221:10:022
2307299120,2cyclictest0-21swapper/200:22:062
2307199128,3cyclictest0-21swapper/119:20:171
2307199128,2cyclictest0-21swapper/100:10:131
2307199127,3cyclictest2985-21munin-node1
2307199127,3cyclictest0-21swapper/119:30:171
2307199121,9cyclictest0-21swapper/119:50:181
2307199120,3cyclictest0-21swapper/119:46:011
2307199120,11cyclictest0-21swapper/122:55:541
2307199120,11cyclictest0-21swapper/122:32:261
2306799129,2cyclictest0-21swapper/023:55:180
2306799129,2cyclictest0-21swapper/023:31:390
2306799129,2cyclictest0-21swapper/022:46:400
2306799129,2cyclictest0-21swapper/021:37:290
2306799129,2cyclictest0-21swapper/021:30:220
2306799129,2cyclictest0-21swapper/020:40:130
2306799129,2cyclictest0-21swapper/020:26:030
2306799129,2cyclictest0-21swapper/019:35:140
2306799129,2cyclictest0-21swapper/019:10:170
2306799129,2cyclictest0-21swapper/000:19:190
2306799127,3cyclictest28186-21missed_timers19:20:180
2306799120,11cyclictest0-21swapper/023:40:260
2306799120,11cyclictest0-21swapper/021:21:420
2306799120,11cyclictest0-21swapper/021:10:140
2306799120,11cyclictest0-21swapper/020:00:200
2306799120,11cyclictest0-21swapper/019:25:170
2306799120,10cyclictest6974-21diskmemload00:05:040
2306799120,10cyclictest0-21swapper/021:17:230
159392120,2sleep20-21swapper/223:31:422
38992111,7sleep23920-21cut23:20:112
2307299118,2cyclictest23473-21kworker/u8:019:11:042
2307299111,8cyclictest0-21swapper/223:26:082
2307299111,7cyclictest0-21swapper/222:04:012
2307299111,6cyclictest29795-21ssh22:40:112
2307299110,2cyclictest0-21swapper/223:00:312
2307299110,2cyclictest0-21swapper/220:10:052
2307199117,2cyclictest27373-21apt-get20:40:101
2307199111,8cyclictest0-21swapper/121:06:051
2307199111,3cyclictest0-21swapper/120:05:161
2307199111,2cyclictest23-21ksoftirqd/120:11:011
2306799112,6cyclictest0-21swapper/021:05:390
2306799111,5cyclictest11024-21copy20:00:000
2306799110,1cyclictest0-21swapper/020:10:100
2307499107,2cyclictest31387-21kworker/u8:121:03:043
2307299100,2cyclictest0-21swapper/219:31:052
2306799105,3cyclictest24155-21sed20:30:180
2306799102,6cyclictest0-21swapper/019:50:230
2306799101,6cyclictest0-21swapper/020:46:010
2306799100,2cyclictest0-21swapper/019:15:030
230749995,3cyclictest274-21jbd2/sda1-819:37:453
230729990,2cyclictest0-21swapper/221:00:042
230679994,3cyclictest17533-21cut20:15:110
230679994,3cyclictest0-21swapper/020:50:130
230679991,6cyclictest0-21swapper/020:05:130
230749983,3cyclictest3443-21NetworkManager19:20:023
230679981,5cyclictest0-21swapper/021:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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