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2026-07-14 - 21:41

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 Tue Jul 14, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23798211998,15sleep30-21swapper/307:09:593
23707211895,18sleep00-21swapper/007:08:470
23609210686,15sleep10-21swapper/107:07:321
23610210587,13sleep20-21swapper/207:07:332
166402790,0sleep0101ktimersoftd/008:10:170
127492710,0sleep30-21swapper/310:54:233
222242680,0sleep00-21swapper/009:57:080
23827993829,2cyclictest0-21swapper/007:30:100
2383099370,35cyclictest0-21swapper/311:35:133
2382899260,24cyclictest0-21swapper/111:35:131
122802220,1sleep312282-21ssh12:34:553
23830991916,2cyclictest29637-21kworker/u8:009:40:013
23830991916,2cyclictest20849-21kworker/u8:011:30:063
23830991916,2cyclictest15395-21kworker/u8:109:18:043
23829991916,2cyclictest3698-21kworker/u8:211:09:052
23829991916,2cyclictest3698-21kworker/u8:210:52:052
2382999191,16cyclictest0-21swapper/209:15:102
2382999190,17cyclictest0-21swapper/210:10:112
23829991815,2cyclictest15880-21kworker/u8:212:38:052
2382899180,15cyclictest0-21swapper/111:00:121
2382799180,16cyclictest0-21swapper/009:15:110
23830991714,2cyclictest29984-21kworker/u8:210:08:053
23830991714,2cyclictest22618-21kworker/u8:209:45:053
23830991714,2cyclictest12297-21kworker/u8:009:52:043
23829991714,2cyclictest3698-21kworker/u8:210:48:042
23829991714,2cyclictest29984-21kworker/u8:210:07:042
23829991714,2cyclictest25755-21kworker/u8:107:27:052
23829991714,2cyclictest24901-21kworker/u8:112:15:042
23829991714,2cyclictest14732-21kworker/u8:312:05:042
23829991714,2cyclictest12297-21kworker/u8:009:51:052
2382999170,16cyclictest0-21swapper/212:22:052
2382999170,13cyclictest0-21swapper/211:21:052
2382999170,12cyclictest0-21swapper/210:42:062
2382799171,3cyclictest0-21swapper/010:27:000
23830991613,2cyclictest3698-21kworker/u8:210:49:053
23830991613,2cyclictest23964-21kworker/u8:108:46:053
23830991613,2cyclictest13446-21kworker/u8:111:01:053
23830991613,2cyclictest12076-21kworker/u8:111:41:043
23830991613,2cyclictest12076-21kworker/u8:111:27:043
2383099160,14cyclictest26247-21df_abs08:35:123
2383099160,11cyclictest0-21swapper/312:19:043
23829991613,2cyclictest4276-21kworker/u8:009:02:022
23829991613,2cyclictest29984-21kworker/u8:210:21:052
23829991613,2cyclictest27948-21kworker/u8:111:16:052
23829991613,2cyclictest27948-21kworker/u8:111:16:042
23829991613,2cyclictest25755-21kworker/u8:107:18:042
23829991613,2cyclictest24176-21kworker/u8:211:45:052
23829991613,2cyclictest23964-21kworker/u8:108:57:052
23829991613,2cyclictest22618-21kworker/u8:209:28:062
23829991613,2cyclictest14732-21kworker/u8:312:12:052
2382999160,2cyclictest0-21swapper/211:28:052
2382999160,2cyclictest0-21swapper/209:14:052
2382999160,12cyclictest0-21swapper/208:27:042
2382799161,13cyclictest22803-21tr09:25:150
23827991611,3cyclictest0-21swapper/009:45:200
23830991512,2cyclictest29637-21kworker/u8:009:32:023
23830991512,2cyclictest27948-21kworker/u8:111:14:023
23830991512,2cyclictest20849-21kworker/u8:011:17:053
23830991512,2cyclictest20849-21kworker/u8:011:17:043
23830991512,2cyclictest17880-21kworker/u8:208:20:053
23830991512,2cyclictest14732-21kworker/u8:312:13:053
23830991510,3cyclictest0-21swapper/308:50:043
23829991512,2cyclictest8151-21kworker/u8:108:04:042
23829991512,2cyclictest8151-21kworker/u8:107:57:052
23829991512,2cyclictest28241-21kworker/u8:007:36:022
23829991512,2cyclictest28241-21kworker/u8:007:32:042
23829991512,2cyclictest24176-21kworker/u8:211:52:042
23829991512,2cyclictest22618-21kworker/u8:209:30:042
23829991512,2cyclictest20849-21kworker/u8:011:30:022
23829991512,2cyclictest17880-21kworker/u8:208:54:042
23829991512,2cyclictest17880-21kworker/u8:208:22:052
23829991512,2cyclictest17745-21kworker/u8:207:11:052
23829991512,2cyclictest1588-21kworker/u8:212:28:052
23829991512,2cyclictest12297-21kworker/u8:009:47:052
2382999150,13cyclictest0-21swapper/208:15:122
2382999150,11cyclictest0-21swapper/207:46:052
2382799152,7cyclictest0-21swapper/009:05:000
2382799151,3cyclictest18181-21perl09:20:130
2382799151,12cyclictest24578-21aten2.4_r3power10:00:130
2382799151,12cyclictest11214-21ssh09:13:120
2382799151,12cyclictest10847-21apt-get12:00:060
23827991510,3cyclictest6640-21ssh11:20:510
2382799150,3cyclictest0-21swapper/011:27:590
2382799150,3cyclictest0-21swapper/008:21:020
2383099149,3cyclictest7927-21ssh11:22:143
23830991411,2cyclictest6692-21kworker/u8:010:34:043
23830991411,2cyclictest6315-21kworker/u8:110:15:043
23830991411,2cyclictest22618-21kworker/u8:209:36:053
23830991411,2cyclictest15395-21kworker/u8:109:20:053
23830991411,2cyclictest0-21swapper/310:42:013
23830991411,2cyclictest0-21swapper/307:35:123
2383099140,9cyclictest0-21swapper/308:58:053
2383099140,2cyclictest0-21swapper/310:03:123
2383099140,2cyclictest0-21swapper/309:14:053
2383099140,12cyclictest12647-21apt-get12:35:113
23829991411,2cyclictest8151-21kworker/u8:108:09:052
23829991411,2cyclictest7531-21diskmemload10:19:032
23829991411,2cyclictest7219-21kworker/u8:109:07:042
23829991411,2cyclictest23964-21kworker/u8:108:45:052
23829991411,2cyclictest23964-21kworker/u8:108:44:042
23829991411,2cyclictest23964-21kworker/u8:108:35:052
23829991411,2cyclictest20849-21kworker/u8:011:03:052
23829991411,2cyclictest11951-21kworker/u8:008:12:052
2382999140,2cyclictest0-21swapper/210:36:022
2382999140,2cyclictest0-21swapper/210:25:052
2382899140,3cyclictest7069-21sensors07:46:031
2382899140,3cyclictest557-21cut08:50:391
2382899140,12cyclictest0-21swapper/110:50:131
2382899140,12cyclictest0-21swapper/107:30:181
2382799149,3cyclictest5950-21awk09:05:130
2382799149,3cyclictest0-21swapper/009:53:380
2382799142,6cyclictest0-21swapper/007:45:010
23827991411,2cyclictest0-21swapper/012:28:100
23827991411,2cyclictest0-21swapper/011:54:300
23827991411,2cyclictest0-21swapper/010:42:400
23827991411,2cyclictest0-21swapper/010:12:500
2382799141,11cyclictest2262-21sh09:36:440
2382799140,3cyclictest7531-21diskmemload10:34:420
2382799140,3cyclictest21930-21ssh11:36:560
2382799140,2cyclictest9698-21ssh10:50:200
2382799140,2cyclictest0-21swapper/010:58:000
2382799140,12cyclictest8599-21ssh09:43:410
2382799140,12cyclictest0-21swapper/010:45:160
2382799140,12cyclictest0-21swapper/010:23:560
23830991310,2cyclictest8151-21kworker/u8:108:02:043
23830991310,2cyclictest6692-21kworker/u8:010:35:053
23830991310,2cyclictest28241-21kworker/u8:007:44:053
23830991310,2cyclictest28241-21kworker/u8:007:44:043
23830991310,2cyclictest25755-21kworker/u8:107:26:053
23830991310,2cyclictest20849-21kworker/u8:011:05:043
23830991310,2cyclictest18236-21kworker/u8:209:55:053
23830991310,2cyclictest17745-21kworker/u8:207:15:043
23830991310,2cyclictest0-21swapper/312:22:423
23830991310,2cyclictest0-21swapper/312:02:163
23830991310,2cyclictest0-21swapper/311:49:523
2383099130,2cyclictest0-21swapper/312:28:423
2383099130,2cyclictest0-21swapper/312:05:153
2383099130,12cyclictest0-21swapper/311:56:523
2383099130,12cyclictest0-21swapper/310:20:453
2383099130,12cyclictest0-21swapper/310:11:193
2383099130,11cyclictest24558-21ssh09:26:073
2382999131,10cyclictest3728-21runrttasks09:44:112
23829991310,2cyclictest7856-21kworker/u8:111:56:022
23829991310,2cyclictest27588-21copy11:10:002
23829991310,2cyclictest0-21swapper/212:04:102
23829991310,2cyclictest0-21swapper/211:40:262
2382999130,2cyclictest0-21swapper/211:36:302
2382999130,2cyclictest0-21swapper/210:02:052
2382999130,12cyclictest0-21swapper/210:33:042
2382899132,6cyclictest0-21swapper/112:00:011
2382899131,9cyclictest28751-21iostat07:20:171
2382899131,3cyclictest0-21swapper/107:15:171
2382899131,10cyclictest24496-21cut11:05:511
2382899131,10cyclictest15040-21sh10:56:021
23828991310,2cyclictest0-21swapper/108:40:131
2382899130,2cyclictest0-21swapper/111:45:161
2382899130,11cyclictest7531-21diskmemload09:55:001
2382899130,11cyclictest0-21swapper/108:25:191
23827991310,2cyclictest0-21swapper/012:36:200
23827991310,2cyclictest0-21swapper/012:23:430
23827991310,2cyclictest0-21swapper/011:40:100
23827991310,2cyclictest0-21swapper/011:16:030
23827991310,2cyclictest0-21swapper/011:16:030
23827991310,2cyclictest0-21swapper/010:06:000
23827991310,2cyclictest0-21swapper/008:35:120
23827991310,2cyclictest0-21swapper/008:30:190
23827991310,2cyclictest0-21swapper/008:16:050
23827991310,2cyclictest0-21swapper/008:05:120
23827991310,2cyclictest0-21swapper/007:25:130
2382799130,2cyclictest9925-21ssh12:31:160
2382799130,2cyclictest0-21swapper/012:16:460
2382799130,2cyclictest0-21swapper/011:48:270
2382799130,2cyclictest0-21swapper/011:10:010
2382799130,2cyclictest0-21swapper/007:15:400
2382799130,12cyclictest0-21swapper/012:07:490
2382799130,12cyclictest0-21swapper/011:59:090
2382799130,12cyclictest0-21swapper/011:01:390
2382799130,12cyclictest0-21swapper/010:19:500
2382799130,11cyclictest0-21swapper/012:13:230
70772120,2sleep37358-21unixbench_singl07:46:053
2383099129,2cyclictest8151-21kworker/u8:107:59:053
2383099129,2cyclictest17745-21kworker/u8:207:14:053
2383099129,2cyclictest0-21swapper/311:50:493
2383099120,2cyclictest0-21swapper/308:18:283
2383099120,11cyclictest7924-21gpgv07:50:063
2383099120,11cyclictest0-21swapper/310:55:043
2383099120,11cyclictest0-21swapper/310:25:243
2382999129,2cyclictest3894-21kworker/u8:207:52:052
2382999129,2cyclictest23964-21kworker/u8:108:33:052
2382999120,2cyclictest0-21swapper/212:30:252
2382999120,2cyclictest0-21swapper/210:57:152
2382999120,10cyclictest0-21swapper/209:35:122
2382899129,2cyclictest0-21swapper/110:19:071
2382899122,8cyclictest0-21swapper/110:01:011
2382899121,9cyclictest24229-21munin-node1
2382899121,9cyclictest1768-21aten2.4-expect10:10:121
2382899121,9cyclictest1266-21awk11:15:191
2382899121,9cyclictest1266-21awk11:15:181
2382899121,9cyclictest11373-21mailstats09:46:011
2382899121,9cyclictest0-21swapper/110:30:141
2382899121,9cyclictest0-21swapper/110:26:051
2382899121,9cyclictest0-21swapper/107:25:181
2382899121,3cyclictest7531-21diskmemload11:30:171
2382899121,3cyclictest3581-21cut09:00:001
2382899121,3cyclictest1720-21sed09:36:041
2382899121,3cyclictest0-21swapper/108:00:121
2382899121,2cyclictest27546-21apt-get11:10:051
2382899120,3cyclictest0-21swapper/112:08:521
2382899120,3cyclictest0-21swapper/107:56:031
2382899120,2cyclictest0-21swapper/107:35:411
2382899120,11cyclictest0-21swapper/107:10:141
2382899120,10cyclictest0-21swapper/109:30:291
2382899120,10cyclictest0-21swapper/108:20:101
2382899120,10cyclictest0-21swapper/107:50:551
2382799129,2cyclictest0-21swapper/011:30:260
2382799129,2cyclictest0-21swapper/011:05:030
2382799127,3cyclictest0-21swapper/008:50:130
2382799123,7cyclictest274-21jbd2/sda1-807:15:000
2382799122,7cyclictest0-21swapper/008:59:580
2382799122,6cyclictest0-21swapper/008:25:010
2382799120,2cyclictest0-21swapper/008:00:160
2382799120,11cyclictest0-21swapper/010:35:450
2382799120,11cyclictest0-21swapper/009:31:520
2382799120,11cyclictest0-21swapper/007:40:140
2382799120,11cyclictest0-21swapper/007:40:130
2382799120,10cyclictest0-21swapper/007:50:060
2383099118,2cyclictest17880-21kworker/u8:208:26:043
2383099118,2cyclictest0-21swapper/309:05:143
2383099116,3cyclictest24056-21telnet08:30:143
2383099112,6cyclictest0-21swapper/308:10:013
2383099112,5cyclictest0-21swapper/308:15:013
2383099111,6cyclictest0-21swapper/308:45:013
2383099110,10cyclictest0-21swapper/307:31:083
2382999111,6cyclictest0-21swapper/207:25:012
2382999110,2cyclictest0-21swapper/209:23:052
2382999110,2cyclictest0-21swapper/207:41:052
2382999110,2cyclictest0-21swapper/207:41:042
2382899118,2cyclictest207150irq/24-eth112:15:131
2382899117,2cyclictest0-21swapper/110:35:111
2382899117,2cyclictest0-21swapper/109:50:171
2382899116,3cyclictest31548-21diskstats10:40:141
2382899112,6cyclictest0-21swapper/107:41:591
2382899112,6cyclictest0-21swapper/107:41:591
2382899112,5cyclictest0-21swapper/108:20:001
2382899111,8cyclictest3577-21munin-node1
2382899111,8cyclictest2362-21ntp_states11:50:201
2382899111,8cyclictest0-21swapper/112:30:181
2382899111,8cyclictest0-21swapper/111:25:171
2382899111,8cyclictest0-21swapper/109:20:141
2382899111,8cyclictest0-21swapper/109:10:101
2382899111,3cyclictest6294-21ssh11:20:201
2382899111,3cyclictest0-21swapper/109:40:151
2382899111,2cyclictest5740-21apt-get09:05:111
2382899110,9cyclictest7531-21diskmemload12:37:051
2382899110,9cyclictest0-21swapper/112:11:051
2382899110,9cyclictest0-21swapper/111:55:131
2382899110,9cyclictest0-21swapper/110:05:101
2382899110,9cyclictest0-21swapper/108:35:161
2382899110,9cyclictest0-21swapper/108:31:041
2382899110,3cyclictest3606-21munin-node1
2382899110,3cyclictest0-21swapper/112:20:171
2382899110,3cyclictest0-21swapper/108:05:181
2382899110,2cyclictest0-21swapper/110:20:121
2382899110,2cyclictest0-21swapper/108:45:181
2382899110,1cyclictest0-21swapper/108:11:031
2382799118,2cyclictest0-21swapper/007:23:340
2383099107,2cyclictest4276-21kworker/u8:009:01:043
2382899101,6cyclictest7531-21diskmemload09:16:001
2382899101,3cyclictest7531-21diskmemload09:28:331
2382899100,8cyclictest2857-21munin-node1
2382799107,2cyclictest31775-21copy08:50:000
2382799107,2cyclictest0-21swapper/007:55:130
238309994,3cyclictest28971-21cat07:20:193
238299994,3cyclictest19584-21telnet09:55:132
238279994,3cyclictest28925-21pzem_current08:40:190
238279994,3cyclictest1932-21cpuspeed_turbos07:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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