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2026-05-01 - 15:52

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Fri May 01, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14597211995,19sleep00-21swapper/007:08:330
14636211794,17sleep20-21swapper/207:09:022
14635211194,12sleep10-21swapper/107:09:021
14456210796,6sleep30-21swapper/307:06:433
298922850,0sleep00-21swapper/011:26:350
261552740,1sleep2301ktimersoftd/210:48:252
218222730,0sleep00-21swapper/012:28:240
182482730,0sleep30-21swapper/308:36:003
55442680,0sleep00-21swapper/009:50:590
55442680,0sleep00-21swapper/009:50:590
189862250,1sleep00-21swapper/009:30:380
1474599213,2cyclictest31003-21diskmemload10:39:041
14745992017,2cyclictest20957-21kworker/u8:007:49:041
14748991916,2cyclictest31938-21kworker/u8:210:39:043
14746991916,2cyclictest30733-21kworker/u8:111:42:042
14746991916,2cyclictest16166-21kworker/u8:212:25:042
14746991916,2cyclictest13168-21kworker/u8:209:03:042
14745991916,2cyclictest993-21kworker/u8:108:02:011
14745991916,2cyclictest29573-21kworker/u8:010:52:041
14745991916,2cyclictest29549-21kworker/u8:012:10:011
14745991916,2cyclictest23026-21kworker/u8:112:19:041
14745991916,2cyclictest20234-21kworker/u8:010:15:041
14745991916,2cyclictest18291-21kworker/u8:111:14:041
14745991916,2cyclictest16991-21kworker/u8:207:23:041
1474599191,16cyclictest0-21swapper/112:39:041
14746991815,2cyclictest7057-21kworker/u8:009:20:052
14746991815,2cyclictest20957-21kworker/u8:007:42:052
1474599184,12cyclictest207150irq/24-eth110:25:291
14745991815,2cyclictest7057-21kworker/u8:009:24:051
14745991815,2cyclictest30733-21kworker/u8:111:34:051
14745991815,2cyclictest23160-21kworker/u8:108:59:051
14745991815,2cyclictest22501-21kworker/u8:110:04:041
14745991815,2cyclictest20885-21kworker/u8:012:30:051
14745991815,2cyclictest2037-21kworker/u8:109:17:041
14745991815,2cyclictest2037-21kworker/u8:109:14:051
14745991815,2cyclictest15604-21kworker/u8:209:34:041
14745991815,2cyclictest13168-21kworker/u8:209:09:041
14745991814,3cyclictest20957-21kworker/u8:008:07:051
1474599181,2cyclictest31003-21diskmemload10:40:051
1474599180,13cyclictest0-21swapper/109:27:041
14744991815,2cyclictest7057-21kworker/u8:009:23:050
14744991815,2cyclictest13382-21kworker/u8:210:05:050
14746991714,2cyclictest4403-21kworker/u8:311:49:042
14746991714,2cyclictest3168-21kworker/u8:211:05:052
14746991714,2cyclictest18291-21kworker/u8:111:15:042
1474699170,2cyclictest0-21swapper/210:39:042
1474699170,15cyclictest0-21swapper/210:05:042
14745991714,2cyclictest9139-21kworker/u8:011:20:051
14745991714,2cyclictest4403-21kworker/u8:311:57:051
14745991714,2cyclictest3168-21kworker/u8:211:03:041
14745991714,2cyclictest20957-21kworker/u8:008:13:041
14745991714,2cyclictest20957-21kworker/u8:007:41:051
14745991714,2cyclictest20957-21kworker/u8:007:39:041
14745991714,2cyclictest20234-21kworker/u8:010:45:041
14745991714,2cyclictest16991-21kworker/u8:207:17:051
14745991714,2cyclictest15747-21kworker/u8:011:53:041
14745991714,2cyclictest13168-21kworker/u8:209:01:041
1474599170,2cyclictest0-21swapper/109:59:041
14744991714,2cyclictest31674-21kworker/u8:209:46:050
14744991714,2cyclictest30733-21kworker/u8:111:40:050
14744991714,2cyclictest23026-21kworker/u8:112:32:010
1474499170,2cyclictest0-21swapper/010:39:040
21802160,0sleep20-21swapper/207:56:002
14748991613,2cyclictest7057-21kworker/u8:009:21:043
14748991613,2cyclictest31938-21kworker/u8:210:40:063
14748991613,2cyclictest2037-21kworker/u8:109:14:013
14748991613,2cyclictest15604-21kworker/u8:209:27:043
1474699161,3cyclictest0-21swapper/210:03:442
14746991613,2cyclictest9139-21kworker/u8:011:12:052
14746991613,2cyclictest31674-21kworker/u8:209:49:042
14746991613,2cyclictest23026-21kworker/u8:112:32:052
14746991613,2cyclictest20957-21kworker/u8:008:36:042
14746991613,2cyclictest16991-21kworker/u8:207:16:052
1474699161,13cyclictest18837-21hddtemp_smartct11:50:142
1474699160,3cyclictest3649-21snmpd11:59:352
1474699160,2cyclictest0-21swapper/210:40:062
1474699160,14cyclictest3895-21cpuspeed_turbos09:15:132
1474699160,14cyclictest10869-21sh10:31:052
14745991613,2cyclictest4403-21kworker/u8:311:47:051
14745991613,2cyclictest23026-21kworker/u8:112:23:051
14745991613,2cyclictest13168-21kworker/u8:208:29:041
1474599160,2cyclictest0-21swapper/110:34:061
14744991613,2cyclictest9139-21kworker/u8:011:30:050
14744991613,2cyclictest22501-21kworker/u8:110:10:010
14744991613,2cyclictest20957-21kworker/u8:007:50:040
14744991613,2cyclictest20234-21kworker/u8:010:30:020
14744991613,2cyclictest15747-21kworker/u8:011:51:040
14748991512,2cyclictest3201-21ssh10:58:463
14748991512,2cyclictest3168-21kworker/u8:211:01:043
14748991512,2cyclictest31511-21kworker/u8:112:39:043
14748991512,2cyclictest22501-21kworker/u8:109:59:043
14748991511,2cyclictest0-21swapper/310:16:033
1474899150,13cyclictest15068-21ssh12:20:263
1474899150,13cyclictest0-21swapper/310:46:563
14746991512,2cyclictest9139-21kworker/u8:011:23:042
14746991512,2cyclictest29549-21kworker/u8:012:08:042
14746991512,2cyclictest23160-21kworker/u8:108:58:052
14746991512,2cyclictest20957-21kworker/u8:008:14:012
14746991512,2cyclictest20957-21kworker/u8:007:29:042
14746991512,2cyclictest13168-21kworker/u8:208:54:012
14746991512,2cyclictest13168-21kworker/u8:208:41:042
14746991512,2cyclictest10140-21kworker/u8:108:21:042
14746991512,2cyclictest0-21swapper/212:01:142
1474699151,12cyclictest6758-21ssh09:52:242
1474699151,12cyclictest6758-21ssh09:52:232
1474699151,12cyclictest4243-21ssh10:25:092
14746991510,3cyclictest30883-21rm10:18:502
1474699150,1cyclictest0-21swapper/209:59:042
1474699150,13cyclictest0-21swapper/211:00:182
14745991512,2cyclictest20957-21kworker/u8:008:15:041
14745991512,2cyclictest20885-21kworker/u8:012:27:041
14745991512,2cyclictest20234-21kworker/u8:010:14:041
14745991512,2cyclictest13168-21kworker/u8:208:47:041
14745991512,2cyclictest13168-21kworker/u8:208:42:041
14745991512,2cyclictest13168-21kworker/u8:208:32:051
1474599150,2cyclictest0-21swapper/110:08:051
1474599150,2cyclictest0-21swapper/109:54:051
1474599150,2cyclictest0-21swapper/109:54:051
1474599150,13cyclictest2120-21timerandwakeup07:56:011
14744991512,2cyclictest30733-21kworker/u8:111:45:050
14744991512,2cyclictest29549-21kworker/u8:012:03:040
14744991512,2cyclictest20234-21kworker/u8:010:20:050
14744991512,2cyclictest13168-21kworker/u8:209:10:020
14748991411,2cyclictest22501-21kworker/u8:110:08:043
14748991411,2cyclictest20234-21kworker/u8:010:34:053
14748991411,2cyclictest17290-21ssh11:48:563
14748991411,2cyclictest0-21swapper/311:29:363
14748991411,2cyclictest0-21swapper/311:12:463
14748991411,2cyclictest0-21swapper/310:25:163
14748991411,2cyclictest0-21swapper/310:13:163
14748991411,2cyclictest0-21swapper/309:16:563
14748991410,2cyclictest22501-21kworker/u8:110:03:043
1474899140,13cyclictest0-21swapper/309:46:263
1474899140,13cyclictest0-21swapper/309:31:573
1474899140,12cyclictest23383-21cpuspeed_turbos12:30:133
1474899140,12cyclictest0-21swapper/309:00:003
14746991411,2cyclictest8139-21ssh12:13:442
14746991411,2cyclictest4403-21kworker/u8:311:37:042
14746991411,2cyclictest20957-21kworker/u8:007:54:012
14746991411,2cyclictest0-21swapper/212:38:042
14746991411,2cyclictest0-21swapper/211:30:452
14746991411,2cyclictest0-21swapper/209:36:572
1474699140,2cyclictest0-21swapper/212:22:052
1474699140,2cyclictest0-21swapper/210:20:042
1474699140,2cyclictest0-21swapper/209:32:152
1474699140,13cyclictest0-21swapper/209:27:142
1474699140,12cyclictest31003-21diskmemload09:41:082
1474699140,12cyclictest0-21swapper/212:15:562
14745991411,2cyclictest29549-21kworker/u8:012:06:041
14745991411,2cyclictest19960-21kworker/u8:211:16:041
14745991411,2cyclictest16991-21kworker/u8:207:25:041
14745991411,2cyclictest0-21swapper/107:51:011
1474599140,2cyclictest0-21swapper/111:38:051
1474599140,2cyclictest0-21swapper/111:29:041
1474599140,2cyclictest0-21swapper/107:33:051
14744991411,2cyclictest7057-21kworker/u8:009:40:010
14744991411,2cyclictest7057-21kworker/u8:009:39:050
14744991411,2cyclictest30212-21kworker/u8:007:10:040
14744991411,2cyclictest23160-21kworker/u8:108:56:020
14744991411,2cyclictest18291-21kworker/u8:110:41:040
14744991411,2cyclictest16991-21kworker/u8:207:24:040
14744991411,2cyclictest13168-21kworker/u8:209:08:040
14744991411,2cyclictest13168-21kworker/u8:208:51:040
14744991411,2cyclictest0-21swapper/012:11:080
14744991411,2cyclictest0-21swapper/010:26:470
14744991410,3cyclictest20234-21kworker/u8:010:19:040
14744991410,2cyclictest13815-21wc09:25:150
1474499140,3cyclictest15137-21ssh11:10:520
1474499140,13cyclictest0-21swapper/012:37:080
1474499140,13cyclictest0-21swapper/011:16:070
1474499140,13cyclictest0-21swapper/010:03:070
1474499140,12cyclictest0-21swapper/010:56:580
1474499140,12cyclictest0-21swapper/009:03:040
250072130,2sleep10-21swapper/109:37:181
241332130,2sleep00-21swapper/010:45:430
14748991310,2cyclictest9139-21kworker/u8:011:18:043
14748991310,2cyclictest7057-21kworker/u8:009:38:043
14748991310,2cyclictest5231-21kworker/u8:009:54:063
14748991310,2cyclictest5231-21kworker/u8:009:54:053
14748991310,2cyclictest4403-21kworker/u8:311:38:053
14748991310,2cyclictest20957-21kworker/u8:007:59:043
14748991310,2cyclictest20957-21kworker/u8:007:33:043
14748991310,2cyclictest20957-21kworker/u8:007:27:053
14748991310,2cyclictest16991-21kworker/u8:207:20:043
14746991310,2cyclictest6040-21pzem_current08:05:192
14746991310,2cyclictest13168-21kworker/u8:208:45:042
14746991310,2cyclictest10140-21kworker/u8:108:25:042
14746991310,2cyclictest0-21swapper/209:10:132
14746991310,2cyclictest0-21swapper/207:35:122
1474699130,2cyclictest0-21swapper/207:33:042
1474699130,12cyclictest0-21swapper/211:25:362
1474699130,12cyclictest0-21swapper/210:57:402
1474699130,12cyclictest0-21swapper/210:50:282
1474699130,11cyclictest0-21swapper/210:10:072
1474599130,2cyclictest0-21swapper/111:40:011
1474599130,2cyclictest0-21swapper/111:08:271
1474599130,2cyclictest0-21swapper/110:20:181
1474599130,2cyclictest0-21swapper/109:48:051
1474599130,2cyclictest0-21swapper/109:42:011
1474599130,12cyclictest0-21swapper/112:00:041
1474599130,12cyclictest0-21swapper/110:57:121
14744991310,2cyclictest20957-21kworker/u8:008:38:040
14744991310,2cyclictest20957-21kworker/u8:008:10:040
14744991310,2cyclictest15747-21kworker/u8:011:55:040
14744991310,2cyclictest13168-21kworker/u8:208:31:040
14744991310,2cyclictest13168-21kworker/u8:208:28:040
14744991310,2cyclictest0-21swapper/012:20:080
14744991310,2cyclictest0-21swapper/012:15:580
14744991310,2cyclictest0-21swapper/012:05:060
1474499130,2cyclictest31003-21diskmemload11:20:580
1474499130,12cyclictest0-21swapper/009:58:170
1474499130,12cyclictest0-21swapper/009:18:000
1474499130,11cyclictest5591-21ssh11:35:220
1474499130,11cyclictest17026-21aten2.4-expect07:15:120
200682120,2sleep20-21swapper/207:21:002
1474899129,2cyclictest4403-21kworker/u8:311:56:053
1474899129,2cyclictest29549-21kworker/u8:012:07:053
1474899129,2cyclictest20957-21kworker/u8:008:01:043
1474899129,2cyclictest18291-21kworker/u8:111:06:053
1474899129,2cyclictest13168-21kworker/u8:208:52:043
1474899129,2cyclictest13168-21kworker/u8:208:49:043
1474899129,2cyclictest13168-21kworker/u8:208:44:053
1474899129,2cyclictest10140-21kworker/u8:108:23:043
1474899121,9cyclictest13157-21diskmemload12:19:183
1474899120,2cyclictest0-21swapper/311:20:573
1474699129,2cyclictest13168-21kworker/u8:208:33:052
1474599129,2cyclictest18240-21kworker/u8:107:11:041
1474599127,3cyclictest18910-21cron08:40:001
1474599121,3cyclictest11092-21munin-node1
1474599121,3cyclictest0-21swapper/108:50:131
1474499129,2cyclictest20957-21kworker/u8:007:55:050
1474499129,2cyclictest20957-21kworker/u8:007:45:040
1474499129,2cyclictest20957-21kworker/u8:007:30:050
1474499129,2cyclictest13168-21kworker/u8:208:40:040
1474499129,2cyclictest10140-21kworker/u8:108:24:020
1474499120,2cyclictest0-21swapper/011:05:160
1474499120,2cyclictest0-21swapper/007:42:040
1474499120,11cyclictest0-21swapper/011:01:280
1474499120,11cyclictest0-21swapper/010:51:130
1474499120,11cyclictest0-21swapper/008:00:160
219952110,1sleep30-21swapper/311:54:083
1474899118,2cyclictest30733-21kworker/u8:111:40:023
1474899118,2cyclictest22501-21kworker/u8:109:42:013
1474899118,2cyclictest20957-21kworker/u8:007:48:013
1474899118,2cyclictest0-21swapper/310:20:243
1474899118,2cyclictest0-21swapper/307:35:093
1474899110,2cyclictest0-21swapper/309:01:053
1474899110,10cyclictest0-21swapper/312:27:233
1474699118,2cyclictest0-21swapper/207:45:142
1474499118,2cyclictest0-21swapper/007:29:190
1474899107,2cyclictest23026-21kworker/u8:112:11:043
1474899107,2cyclictest23026-21kworker/u8:112:00:043
1474899107,2cyclictest20957-21kworker/u8:008:26:043
1474899107,2cyclictest20957-21kworker/u8:007:51:053
1474899107,2cyclictest16991-21kworker/u8:207:18:053
1474899107,2cyclictest10140-21kworker/u8:108:19:053
1474899107,2cyclictest0-21swapper/311:31:363
1474899105,3cyclictest28343-21grep10:50:143
1474499107,2cyclictest20957-21kworker/u8:007:35:040
147489996,2cyclictest27332-21kworker/u8:009:05:053
147489995,3cyclictest5047-21apt08:05:113
147489994,3cyclictest7672-21if_err_eth008:10:153
147489994,3cyclictest27346-21expr07:40:123
147489994,3cyclictest15408-21cpuspeed_turbos08:30:113
147489990,4cyclictest0-21swapper/307:10:493
147469996,2cyclictest0-21swapper/207:10:192
147469991,3cyclictest0-21swapper/208:20:002
147469990,8cyclictest0-21swapper/209:07:152
147449996,2cyclictest993-21kworker/u8:108:05:040
147469983,3cyclictest3127-21nscd08:00:132
147449984,2cyclictest21365-21cpu08:45:140
147449973,3cyclictest9672-21cat08:15:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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