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2026-05-28 - 03:45

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #3

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 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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackcslot3s.osadl.org (updated Thu May 28, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32562319311,5sleep20-21swapper/219:09:222
30132318308,8sleep00-21swapper/019:06:160
32552317310,5sleep10-21swapper/119:09:211
32172316309,5sleep30-21swapper/319:08:503
3573992990,298cyclictest3101-21kworker/u16:0+efi_rts_wq21:00:131
3574992970,296cyclictest3133-21kworker/u16:1+efi_rts_wq20:50:122
3574992970,296cyclictest3133-21kworker/u16:1+efi_rts_wq20:40:122
3575992960,295cyclictest3101-21kworker/u16:0+efi_rts_wq20:18:593
3575992960,295cyclictest23113-21kworker/u16:2+efi_rts_wq20:25:113
3574992950,294cyclictest3101-21kworker/u16:0+efi_rts_wq22:40:132
3573992950,294cyclictest3133-21kworker/u16:1+efi_rts_wq22:34:251
3572992950,294cyclictest3133-21kworker/u16:1+efi_rts_wq20:40:120
3573992940,293cyclictest13005-21kworker/u16:0+efi_rts_wq23:15:121
3575992930,292cyclictest27246-21kworker/u16:3+efi_rts_wq00:00:123
3573992930,292cyclictest27832-21kworker/u16:2+efi_rts_wq23:29:361
3573992920,291cyclictest3133-21kworker/u16:1+efi_rts_wq21:15:131
3572992920,291cyclictest30840-21kworker/u16:4+efi_rts_wq23:10:120
3575992910,290cyclictest27246-21kworker/u16:3+efi_rts_wq00:21:143
3575992900,289cyclictest30840-21kworker/u16:4+efi_rts_wq23:09:323
3572992900,289cyclictest3101-21kworker/u16:0+efi_rts_wq21:25:120
3575992880,287cyclictest23113-21kworker/u16:2+efi_rts_wq19:55:123
3575992880,287cyclictest13005-21kworker/u16:0+efi_rts_wq00:35:133
3573992880,287cyclictest3133-21kworker/u16:1+efi_rts_wq21:40:111
3573992880,287cyclictest13005-21kworker/u16:0+efi_rts_wq23:55:121
3572992860,285cyclictest3133-21kworker/u16:1+efi_rts_wq21:20:110
3574992850,284cyclictest23113-21kworker/u16:2+efi_rts_wq20:10:122
3574992840,283cyclictest30840-21kworker/u16:4+efi_rts_wq22:55:122
3574992840,283cyclictest13005-21kworker/u16:0+efi_rts_wq23:25:112
3574992830,282cyclictest23113-21kworker/u16:2+efi_rts_wq19:15:142
3574992830,281cyclictest30840-21kworker/u16:4+efi_rts_wq23:05:112
3574992820,281cyclictest3101-21kworker/u16:0+efi_rts_wq20:30:122
3573992820,281cyclictest3101-21kworker/u16:0+efi_rts_wq19:15:141
3574992810,280cyclictest3133-21kworker/u16:1+efi_rts_wq21:05:122
3574992810,280cyclictest3101-21kworker/u16:0+efi_rts_wq22:30:122
3572992810,280cyclictest3133-21kworker/u16:1+efi_rts_wq21:50:110
3572992810,280cyclictest13005-21kworker/u16:0+efi_rts_wq23:45:120
3573992770,276cyclictest3101-21kworker/u16:0+efi_rts_wq21:10:121
3573992760,275cyclictest3101-21kworker/u16:0+efi_rts_wq22:00:111
3574992750,273cyclictest3101-21kworker/u16:0+efi_rts_wq19:50:112
3573992740,273cyclictest23113-21kworker/u16:2+efi_rts_wq19:35:141
3572992740,273cyclictest3101-21kworker/u16:0+efi_rts_wq20:49:040
3573992730,272cyclictest3101-21kworker/u16:0+efi_rts_wq22:35:121
3575992720,271cyclictest3133-21kworker/u16:1+efi_rts_wq22:05:123
3574992720,271cyclictest23113-21kworker/u16:2+efi_rts_wq19:45:122
3572992710,270cyclictest23113-21kworker/u16:2+efi_rts_wq20:00:120
3572992710,269cyclictest3101-21kworker/u16:0+efi_rts_wq22:45:120
3574992700,269cyclictest13005-21kworker/u16:0+efi_rts_wq23:35:122
3572992700,269cyclictest23113-21kworker/u16:2+efi_rts_wq19:40:120
3574992670,266cyclictest13005-21kworker/u16:0+efi_rts_wq23:14:322
3575992660,265cyclictest23113-21kworker/u16:2+efi_rts_wq20:13:573
3572992650,264cyclictest23113-21kworker/u16:2+efi_rts_wq20:29:010
3575992640,261cyclictest13005-21kworker/u16:0+efi_rts_wq23:15:133
3574992640,263cyclictest3101-21kworker/u16:0+efi_rts_wq21:35:132
3573992610,260cyclictest13005-21kworker/u16:0+efi_rts_wq23:45:121
3575992580,257cyclictest3101-21kworker/u16:0+efi_rts_wq21:14:093
3574992560,255cyclictest27246-21kworker/u16:3+efi_rts_wq00:05:122
3572992560,255cyclictest13005-21kworker/u16:0+efi_rts_wq00:25:120
3575992540,253cyclictest3101-21kworker/u16:0+efi_rts_wq20:35:133
3572992530,252cyclictest3133-21kworker/u16:1+efi_rts_wq21:19:110
3572992530,252cyclictest3101-21kworker/u16:0+efi_rts_wq22:30:120
3575992470,246cyclictest3101-21kworker/u16:0+efi_rts_wq22:50:113
3575992470,246cyclictest27246-21kworker/u16:3+efi_rts_wq00:30:123
3573992470,246cyclictest3133-21kworker/u16:1+efi_rts_wq21:54:161
3572992440,243cyclictest27246-21kworker/u16:3+efi_rts_wq00:00:130
3574992410,240cyclictest3133-21kworker/u16:1+efi_rts_wq22:14:212
3574992410,240cyclictest3133-21kworker/u16:1+efi_rts_wq22:14:202
3572992410,240cyclictest23113-21kworker/u16:2+efi_rts_wq19:30:130
3574992400,239cyclictest23113-21kworker/u16:2+efi_rts_wq19:25:122
3573992400,239cyclictest3133-21kworker/u16:1+efi_rts_wq21:29:131
3575992390,238cyclictest3101-21kworker/u16:0+efi_rts_wq21:45:123
3575992390,238cyclictest23113-21kworker/u16:2+efi_rts_wq19:25:133
3574992360,235cyclictest23113-21kworker/u16:2+efi_rts_wq20:05:132
3573992360,235cyclictest13005-21kworker/u16:0+efi_rts_wq00:06:111
3574992330,232cyclictest23113-21kworker/u16:2+efi_rts_wq19:20:112
3574992320,231cyclictest23113-21kworker/u16:2+efi_rts_wq19:10:122
3574992290,228cyclictest27246-21kworker/u16:3+efi_rts_wq00:30:122
3572992280,227cyclictest13005-21kworker/u16:0+efi_rts_wq23:51:080
3575992270,226cyclictest27832-21kworker/u16:2+efi_rts_wq23:00:113
3574992270,226cyclictest13005-21kworker/u16:0+efi_rts_wq23:56:082
3575992250,224cyclictest13005-21kworker/u16:0+efi_rts_wq23:25:123
3574992250,224cyclictest27832-21kworker/u16:2+efi_rts_wq23:44:402
3573992250,224cyclictest3101-21kworker/u16:0+efi_rts_wq21:45:131
3573992250,224cyclictest13005-21kworker/u16:0+efi_rts_wq00:35:121
3573992240,223cyclictest3101-21kworker/u16:0+efi_rts_wq22:40:131
3572992220,221cyclictest3101-21kworker/u16:0+efi_rts_wq20:39:020
3575992210,219cyclictest27246-21kworker/u16:3+efi_rts_wq00:10:123
3572992210,220cyclictest3133-21kworker/u16:1+efi_rts_wq22:05:130
3575992200,219cyclictest3133-21kworker/u16:1+efi_rts_wq21:20:113
3573992200,219cyclictest30840-21kworker/u16:4+efi_rts_wq23:04:311
3572992200,219cyclictest3101-21kworker/u16:0+efi_rts_wq19:53:530
3575992190,218cyclictest13005-21kworker/u16:0+efi_rts_wq00:26:163
3573992190,218cyclictest3101-21kworker/u16:0+efi_rts_wq20:54:051
3574992180,217cyclictest3101-21kworker/u16:0+efi_rts_wq21:10:122
3572992180,217cyclictest3101-21kworker/u16:0+efi_rts_wq22:39:250
3574992140,213cyclictest3101-21kworker/u16:0+efi_rts_wq22:00:112
3574992130,212cyclictest23113-21kworker/u16:2+efi_rts_wq19:30:132
3573992130,212cyclictest3133-21kworker/u16:1+efi_rts_wq22:09:201
3573992130,212cyclictest3133-21kworker/u16:1+efi_rts_wq20:55:121
3574992110,208cyclictest3101-21kworker/u16:0+efi_rts_wq22:15:122
3574992100,209cyclictest3101-21kworker/u16:0+efi_rts_wq22:24:232
3573992080,206cyclictest23113-21kworker/u16:2+efi_rts_wq20:25:111
3575992070,206cyclictest23113-21kworker/u16:2+efi_rts_wq20:00:123
3575992060,204cyclictest13005-21kworker/u16:0+efi_rts_wq23:30:113
3572992050,204cyclictest3101-21kworker/u16:0+efi_rts_wq22:15:120
3572992050,204cyclictest30840-21kworker/u16:4+efi_rts_wq23:05:110
3573992040,203cyclictest27832-21kworker/u16:2+efi_rts_wq23:24:351
3575992010,200cyclictest3101-21kworker/u16:0+efi_rts_wq21:00:123
3574991980,197cyclictest3101-21kworker/u16:0+efi_rts_wq20:20:112
3575991970,196cyclictest3101-21kworker/u16:0+efi_rts_wq20:20:113
3573991970,196cyclictest3133-21kworker/u16:1+efi_rts_wq21:30:121
3572991960,195cyclictest13005-21kworker/u16:0+efi_rts_wq23:20:110
3572991950,194cyclictest27832-21kworker/u16:2+efi_rts_wq23:34:380
3574991910,190cyclictest3101-21kworker/u16:0+efi_rts_wq21:55:122
3573991910,190cyclictest3101-21kworker/u16:0+efi_rts_wq21:59:181
3573991910,190cyclictest27246-21kworker/u16:3+efi_rts_wq23:50:121
3573991860,185cyclictest3101-21kworker/u16:0+efi_rts_wq22:20:121
3575991840,183cyclictest3101-21kworker/u16:0+efi_rts_wq22:35:113
3575991830,182cyclictest3101-21kworker/u16:0+efi_rts_wq20:45:123
3575991830,182cyclictest27246-21kworker/u16:3+efi_rts_wq00:15:133
3574991810,180cyclictest13005-21kworker/u16:0+efi_rts_wq23:30:122
3573991780,177cyclictest3133-21kworker/u16:1+efi_rts_wq22:25:121
3572991780,177cyclictest3133-21kworker/u16:1+efi_rts_wq20:55:120
3572991770,175cyclictest30840-21kworker/u16:4+efi_rts_wq22:59:290
3575991760,175cyclictest3101-21kworker/u16:0+efi_rts_wq21:39:133
3573991750,174cyclictest23113-21kworker/u16:2+efi_rts_wq19:25:121
3573991750,173cyclictest13005-21kworker/u16:0+efi_rts_wq23:40:131
3575991710,170cyclictest30840-21kworker/u16:4+efi_rts_wq22:55:133
3573991710,170cyclictest3101-21kworker/u16:0+efi_rts_wq19:48:531
3573991700,169cyclictest23113-21kworker/u16:2+efi_rts_wq19:13:451
3574991660,164cyclictest27246-21kworker/u16:3+efi_rts_wq23:50:122
3573991630,162cyclictest3101-21kworker/u16:0+efi_rts_wq20:15:121
3573991630,162cyclictest30840-21kworker/u16:4+efi_rts_wq23:10:121
3575991620,161cyclictest3101-21kworker/u16:0+efi_rts_wq19:43:513
3574991600,160cyclictest3133-21kworker/u16:1+efi_rts_wq20:59:072
3573991590,158cyclictest13005-21kworker/u16:0+efi_rts_wq23:39:381
3573991540,153cyclictest13005-21kworker/u16:0+efi_rts_wq00:31:171
3574991530,153cyclictest3101-21kworker/u16:0+efi_rts_wq21:49:162
3573991520,151cyclictest3101-21kworker/u16:0+efi_rts_wq20:08:571
3573991460,145cyclictest27246-21kworker/u16:3+efi_rts_wq00:15:121
3573991450,144cyclictest3101-21kworker/u16:0+efi_rts_wq19:58:551
3574991420,142cyclictest13005-21kworker/u16:0+efi_rts_wq00:01:092
3575991410,140cyclictest3101-21kworker/u16:0+efi_rts_wq19:23:483
3575991410,140cyclictest23113-21kworker/u16:2+efi_rts_wq19:10:123
3573991410,140cyclictest23113-21kworker/u16:2+efi_rts_wq20:10:121
3575991390,138cyclictest3101-21kworker/u16:0+efi_rts_wq19:38:513
3574991370,137cyclictest3101-21kworker/u16:0+efi_rts_wq21:34:132
3575991320,131cyclictest3133-21kworker/u16:1+efi_rts_wq22:25:123
3573991320,131cyclictest23113-21kworker/u16:2+efi_rts_wq19:33:501
3572991240,123cyclictest23113-21kworker/u16:2+efi_rts_wq19:45:110
3572991240,123cyclictest13005-21kworker/u16:0+efi_rts_wq23:55:120
3574991190,119cyclictest3101-21kworker/u16:0+efi_rts_wq20:03:552
3572991160,115cyclictest3101-21kworker/u16:0+efi_rts_wq22:50:130
3573991120,112cyclictest23113-21kworker/u16:2+efi_rts_wq20:23:591
3573991120,111cyclictest13005-21kworker/u16:0+efi_rts_wq23:30:121
3574991110,111cyclictest23113-21kworker/u16:2+efi_rts_wq19:55:122
3574991110,110cyclictest3101-21kworker/u16:0+efi_rts_wq22:45:122
3575991060,105cyclictest3101-21kworker/u16:0+efi_rts_wq22:49:273
3575991050,104cyclictest3101-21kworker/u16:0+efi_rts_wq22:04:183
3573991050,104cyclictest27246-21kworker/u16:3+efi_rts_wq00:11:131
3575991020,101cyclictest3133-21kworker/u16:1+efi_rts_wq21:44:143
3572991010,100cyclictest3101-21kworker/u16:0+efi_rts_wq20:30:130
3575993230,2cyclictest809-21snmpd23:56:063
3575993229,2cyclictest809-21snmpd20:44:573
3574993229,3cyclictest809-21snmpd23:46:292
3573993229,2cyclictest809-21snmpd20:42:001
3572993229,2cyclictest809-21snmpd19:29:100
3575993129,2cyclictest809-21snmpd19:19:343
3575993128,2cyclictest809-21snmpd20:59:423
3574993129,2cyclictest809-21snmpd21:02:182
3574993129,2cyclictest809-21snmpd00:17:092
3573993130,1cyclictest809-21snmpd20:01:401
3572993128,2cyclictest809-21snmpd21:42:350
3572993128,2cyclictest809-21snmpd00:20:100
3575993029,1cyclictest809-21snmpd23:52:543
3575993029,1cyclictest809-21snmpd23:21:433
3575993029,1cyclictest809-21snmpd22:40:303
3575993029,1cyclictest809-21snmpd19:33:553
3575993027,3cyclictest809-21snmpd23:10:013
3575993027,2cyclictest809-21snmpd20:32:053
3574993029,1cyclictest809-21snmpd22:07:512
3574993029,1cyclictest809-21snmpd20:48:522
3574993029,1cyclictest809-21snmpd20:16:182
3574993029,1cyclictest809-21snmpd00:35:042
3574993028,2cyclictest813-21ntpd21:51:552
3574993027,2cyclictest809-21snmpd23:00:372
3573993029,1cyclictest809-21snmpd22:18:021
3573993028,2cyclictest809-21snmpd22:58:341
3573993028,2cyclictest809-21snmpd19:21:541
3572993029,1cyclictest809-21snmpd23:27:590
3572993029,1cyclictest809-21snmpd23:01:380
3572993029,1cyclictest809-21snmpd22:11:180
3572993029,1cyclictest809-21snmpd22:11:170
3572993029,1cyclictest809-21snmpd21:38:200
3572993029,1cyclictest809-21snmpd21:30:190
3572993029,1cyclictest809-21snmpd19:39:100
3572993029,1cyclictest809-21snmpd00:35:400
3572993029,1cyclictest10639-21kworker/0:0+events23:16:290
3572993028,2cyclictest809-21snmpd22:28:450
3572993028,2cyclictest809-21snmpd20:05:110
3575992928,1cyclictest809-21snmpd23:35:593
3575992928,1cyclictest809-21snmpd22:21:393
3575992928,1cyclictest809-21snmpd21:59:443
3575992928,1cyclictest24440-21cat22:30:133
3575992926,2cyclictest809-21snmpd23:49:413
3574992928,1cyclictest809-21snmpd22:54:022
3574992928,1cyclictest809-21snmpd19:42:012
3574992928,1cyclictest809-21snmpd00:23:092
3574992927,2cyclictest809-21snmpd21:25:292
3574992926,2cyclictest809-21snmpd19:35:082
3573992928,1cyclictest809-21snmpd21:08:131
3573992927,2cyclictest809-21snmpd20:45:221
3573992926,2cyclictest809-21snmpd21:39:261
3572992928,1cyclictest809-21snmpd23:36:530
3572992928,1cyclictest809-21snmpd20:10:590
3572992928,1cyclictest809-21snmpd00:14:070
3572992927,2cyclictest809-21snmpd21:04:120
3572992927,2cyclictest809-21snmpd00:07:180
3572992927,2cyclictest20976-21cat21:05:140
3572992926,2cyclictest809-21snmpd20:50:240
3574992826,2cyclictest809-21snmpd20:25:332
3574992826,2cyclictest809-21snmpd00:25:132
3572992828,0cyclictest26802-21kworker/0:1+events23:43:520
3572992827,1cyclictest809-21snmpd21:49:450
3572992827,1cyclictest809-21snmpd19:14:120
3572992827,1cyclictest809-21snmpd00:17:540
3572992826,2cyclictest809-21snmpd22:24:220
3572992826,2cyclictest809-21snmpd19:58:340
3575992726,1cyclictest809-21snmpd23:40:563
3575992725,2cyclictest809-21snmpd21:33:553
3574992725,2cyclictest813-21ntpd21:41:552
3572992726,1cyclictest809-21snmpd21:12:250
3572992726,1cyclictest809-21snmpd19:18:040
3575992625,1cyclictest809-21snmpd21:54:233
3574992626,0cyclictest27832-21kworker/u16:2+atlantic23:21:072
3573992625,1cyclictest809-21snmpd23:05:431
3573992625,1cyclictest809-21snmpd19:42:101
3572992625,1cyclictest9557-21cat21:55:140
3572992625,1cyclictest809-21snmpd20:21:560
3572992625,1cyclictest30593-21kworker/0:1+events22:43:380
3575992524,1cyclictest809-21snmpd20:53:123
3574992525,0cyclictest75050irq/134-enp1s022:36:212
3574992524,1cyclictest809-21snmpd23:18:072
3573992524,1cyclictest809-21snmpd21:20:011
3573992522,2cyclictest809-21snmpd22:13:421
3573992522,2cyclictest809-21snmpd22:13:411
3572992524,1cyclictest809-21snmpd22:01:530
3572992524,1cyclictest809-21snmpd19:24:540
3574992422,2cyclictest0-21swapper/221:16:482
3573992423,1cyclictest809-21snmpd22:52:231
3573992423,1cyclictest809-21snmpd00:20:221
3575992221,1cyclictest809-21snmpd21:17:173
3575992221,1cyclictest809-21snmpd20:08:573
3574992221,1cyclictest809-21snmpd00:10:152
3572992220,2cyclictest809-21snmpd20:18:020
3575992119,2cyclictest809-21snmpd22:19:433
3574992020,0cyclictest3133-21kworker/u16:1+atlantic22:26:212
3573992018,2cyclictest809-21snmpd22:45:061
3575991918,1cyclictest816-21lldpd19:47:043
3575991918,1cyclictest809-21snmpd21:29:523
3575991918,1cyclictest809-21snmpd21:07:543
3575991918,1cyclictest809-21snmpd19:53:523
3575991817,1cyclictest809-21snmpd00:05:133
3572991615,1cyclictest809-21snmpd00:34:350
3574991514,1cyclictest809-21snmpd21:21:102
35739986,2cyclictest809-21snmpd00:00:551
35759965,1cyclictest15275-21tr22:10:113
35759965,1cyclictest15275-21tr22:10:103
35749965,1cyclictest9110-21awk20:35:202
35739965,1cyclictest73352sleep120:30:521
35739965,1cyclictest21008-21sed19:50:001
35739964,1cyclictest13173-21sort00:25:151
35739954,1cyclictest8488-21cat20:35:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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