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2026-04-23 - 21:56

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, 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.

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 all highest latencies:
System rackeslot6s.osadl.org (updated Thu Apr 23, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1036972996751,13cyclictest30-21rcuc/211:35:012
1036968996729,14cyclictest167350irq/118-8000000.ethernet-tx009:12:260
1036968996632,9cyclictest0-21swapper/011:49:590
1036968996535,4cyclictest20850irq/208-8000000.ethernet08:55:260
1036968996535,4cyclictest20850irq/208-8000000.ethernet08:55:260
1036972996335,25cyclictest311ktimers/208:00:012
1036972996149,5cyclictest311ktimers/210:30:012
1036969995640,13cyclictest231ktimers/111:50:011
1036968995213,6cyclictest1080995-21cpu11:25:160
1036969995123,16cyclictest1036965-21cyclictest07:20:151
1036969995123,16cyclictest1036965-21cyclictest07:20:151
1036969995037,8cyclictest0-21swapper/109:00:281
1036968995037,9cyclictest0-21swapper/008:00:000
1036969994940,4cyclictest167450irq/126-8000000.ethernet-tx109:10:251
1036972994835,8cyclictest1066096-21grep09:55:282
1036969994840,5cyclictest1080756-21munin-plugin-st11:25:001
1036969994840,4cyclictest1064519-21munin-plugin-st09:50:011
1036969994840,4cyclictest1064519-21munin-plugin-st09:50:001
1036968994840,5cyclictest167350irq/118-8000000.ethernet-tx010:40:240
1036968994813,5cyclictest0-21swapper/011:50:270
1036972994734,10cyclictest311ktimers/211:10:112
1036972994731,11cyclictest311ktimers/208:45:122
1036969994735,8cyclictest1054733-21sshd08:50:251
1036969994734,8cyclictest0-21swapper/108:55:281
1036969994734,8cyclictest0-21swapper/108:55:271
103697299467,13cyclictest30-21rcuc/212:35:022
1036972994635,7cyclictest1037797-21grep07:15:012
1036972994628,13cyclictest311ktimers/212:10:102
103696899461,4cyclictest0-21swapper/008:00:110
103696899461,4cyclictest0-21swapper/008:00:110
103696899461,3cyclictest0-21swapper/010:10:000
1036972994534,6cyclictest1060993-21grep09:25:272
1036972994531,9cyclictest0-21swapper/210:05:272
1036969994532,8cyclictest0-21swapper/108:20:301
1036969994530,9cyclictest0-21swapper/107:30:301
1036969994528,10cyclictest0-21swapper/109:20:291
103696899451,6cyclictest274-21systemd-journal11:00:000
103696899451,6cyclictest274-21systemd-journal11:00:000
103696899451,2cyclictest0-21swapper/010:25:000
1036972994429,8cyclictest0-21swapper/210:25:282
1036972994429,11cyclictest311ktimers/207:15:142
1036969994433,6cyclictest0-21swapper/108:45:001
1036969994431,9cyclictest0-21swapper/108:05:281
1036969994414,20cyclictest1075784-21/usr/sbin/munin10:55:181
1036969994414,20cyclictest1075784-21/usr/sbin/munin10:55:181
1036968994440,3cyclictest131ktimers/009:40:190
1036968994424,16cyclictest1038704-21sendmail_mailqu07:15:280
1036972994334,5cyclictest0-21swapper/208:35:272
1036972994333,7cyclictest1069667-21latency_hist10:20:022
1036972994331,8cyclictest311ktimers/212:15:142
1036972994327,5cyclictest0-21swapper/208:15:282
1036969994336,4cyclictest1046519-21munin-plugin-st08:05:001
1036969994336,4cyclictest1046519-21munin-plugin-st08:05:001
1036969994335,5cyclictest1043045-21grep07:40:281
1036969994329,8cyclictest0-21swapper/111:30:271
103696899432,5cyclictest1064978-21irqstats09:50:240
103696899431,4cyclictest1089445-21df12:15:170
103696899431,37cyclictest0-21swapper/009:45:020
103696899431,37cyclictest0-21swapper/009:45:010
1036972994230,8cyclictest0-21swapper/208:40:282
1036972994229,8cyclictest0-21swapper/212:00:182
1036972994229,7cyclictest0-21swapper/210:40:272
1036972994228,9cyclictest1054743-21phc2sys08:50:262
1036972994228,11cyclictest0-21swapper/207:30:282
1036969994230,8cyclictest1090890-21munin-plugin-st12:25:001
1036968994235,4cyclictest0-21swapper/010:30:230
1036968994234,4cyclictest167350irq/118-8000000.ethernet-tx008:05:170
1036968994226,14cyclictest167350irq/118-8000000.ethernet-tx011:20:130
103696899421,4cyclictest1040365-21ps07:25:260
103696899421,35cyclictest1091817-21latency_hist12:30:000
1036972994126,10cyclictest0-21swapper/208:55:262
1036972994126,10cyclictest0-21swapper/208:55:252
1036972994126,10cyclictest0-21swapper/208:25:252
1036969994129,7cyclictest0-21swapper/112:35:291
1036969994128,9cyclictest0-21swapper/112:25:281
1036969994125,8cyclictest1067829-21grep10:05:271
1036968994136,2cyclictest0-21swapper/008:25:190
1036968994135,4cyclictest0-21swapper/009:55:130
1036968994130,7cyclictest1043869-21unixbench_multi07:45:260
103696899411,35cyclictest1054338-21ls08:50:010
103696899411,33cyclictest1083469-21latency_hist11:40:010
1036972994031,5cyclictest0-21swapper/209:15:292
1036972994028,8cyclictest311ktimers/211:55:132
1036972994024,13cyclictest311ktimers/211:45:132
1036972994022,10cyclictest0-21swapper/209:05:272
1036969994030,6cyclictest0-21swapper/109:55:281
1036969994029,7cyclictest0-21swapper/107:15:011
1036969994027,9cyclictest0-21swapper/109:50:281
1036969994027,8cyclictest0-21swapper/108:25:181
1036969994027,7cyclictest0-21swapper/107:15:291
1036969994026,10cyclictest0-21swapper/110:30:281
1036969994025,11cyclictest0-21swapper/109:25:271
103696999401,31cyclictest1089080-21unixbench_multi12:10:261
103696899407,2cyclictest0-21swapper/009:35:010
1036968994033,4cyclictest167350irq/118-8000000.ethernet-tx008:10:190
1036968994030,6cyclictest20850irq/208-8000000.ethernet08:50:280
1036968994020,18cyclictest0-21swapper/008:35:270
103696899401,36cyclictest1082389-21awk11:30:270
1036972993928,8cyclictest0-21swapper/208:00:282
1036972993928,8cyclictest0-21swapper/208:00:282
1036972993927,9cyclictest311ktimers/209:00:132
1036972993926,9cyclictest0-21swapper/212:05:272
1036972993926,9cyclictest0-21swapper/212:05:272
1036972993924,9cyclictest0-21swapper/210:45:292
1036972993924,8cyclictest1061843-21grep09:30:302
1036969993928,7cyclictest0-21swapper/110:20:281
1036969993927,8cyclictest0-21swapper/109:15:291
1036969993926,9cyclictest0-21swapper/109:35:271
1036968993933,4cyclictest0-21swapper/012:10:260
1036968993932,4cyclictest0-21swapper/008:15:260
103696899391,36cyclictest0-21swapper/012:20:200
103696899391,36cyclictest0-21swapper/012:05:250
103696899391,36cyclictest0-21swapper/012:05:250
103696899391,36cyclictest0-21swapper/009:35:110
103696899391,36cyclictest0-21swapper/008:30:120
103696899391,2cyclictest0-21swapper/012:00:010
1036972993830,4cyclictest0-21swapper/208:20:282
1036972993827,6cyclictest0-21swapper/208:10:282
1036972993821,7cyclictest0-21swapper/210:00:202
1036972993815,11cyclictest311ktimers/211:20:112
1036969993831,4cyclictest1051581-21munin-plugin-st08:35:001
1036969993829,6cyclictest0-21swapper/110:00:281
1036969993829,5cyclictest0-21swapper/111:19:591
1036969993826,9cyclictest0-21swapper/109:40:291
1036969993826,8cyclictest0-21swapper/108:45:301
1036969993825,7cyclictest0-21swapper/112:05:191
1036969993825,7cyclictest0-21swapper/112:05:191
1036969993823,9cyclictest0-21swapper/108:15:311
1036969993820,9cyclictest0-21swapper/110:40:191
1036968993832,3cyclictest0-21swapper/007:40:130
1036968993831,4cyclictest20650irq/252-8000000.ethernet08:20:240
1036968993831,4cyclictest0-21swapper/012:30:160
1036968993831,4cyclictest0-21swapper/010:45:270
1036968993831,4cyclictest0-21swapper/010:10:130
1036968993827,8cyclictest1037877-21latency_hist07:15:010
1036968993825,10cyclictest0-21swapper/008:40:270
1036968993823,12cyclictest1042285-21munin-plugin-st07:40:000
103696899381,35cyclictest0-21swapper/009:25:120
103696899381,35cyclictest0-21swapper/007:30:140
103697299379,19cyclictest1075491-21tail10:50:262
1036972993727,4cyclictest0-21swapper/207:25:192
1036972993726,7cyclictest1068676-21grep10:10:282
1036972993726,7cyclictest0-21swapper/212:35:282
103697299371,2cyclictest0-21swapper/207:25:022
103697299371,2cyclictest0-21swapper/207:25:012
1036969993727,6cyclictest0-21swapper/108:35:271
1036969993723,9cyclictest0-21swapper/111:40:251
1036968993731,4cyclictest0-21swapper/011:05:170
1036968993730,3cyclictest0-21swapper/011:13:200
1036968993725,6cyclictest0-21swapper/010:15:280
103696899372,33cyclictest0-21swapper/007:50:200
103696899371,4cyclictest1087450-21grep12:00:280
1036968993714,4cyclictest167350irq/118-8000000.ethernet-tx009:20:020
103696899371,34cyclictest0-21swapper/010:55:000
1036972993629,4cyclictest1085812-21munin-plugin-st11:55:002
1036972993627,5cyclictest0-21swapper/209:40:282
1036972993626,7cyclictest0-21swapper/207:45:252
1036969993625,8cyclictest0-21swapper/112:05:001
1036969993625,6cyclictest0-21swapper/111:55:021
1036969993624,8cyclictest1089972-21unixbench_singl12:15:291
1036969993623,8cyclictest0-21swapper/109:05:291
1036968993631,2cyclictest0-21swapper/010:00:150
1036968993624,9cyclictest0-21swapper/011:00:260
103696899361,3cyclictest0-21swapper/009:00:260
103696899361,33cyclictest0-21swapper/010:38:330
103696899361,2cyclictest0-21swapper/012:35:270
103697299353,5cyclictest1058427-21munin-run09:15:002
1036972993525,5cyclictest0-21swapper/208:05:172
1036972993524,6cyclictest0-21swapper/211:35:282
1036972993524,6cyclictest0-21swapper/211:05:192
1036972993522,9cyclictest311ktimers/212:25:132
1036972993522,8cyclictest0-21swapper/208:35:012
103696999352,8cyclictest0-21swapper/111:05:011
1036969993526,6cyclictest0-21swapper/111:35:271
1036969993523,7cyclictest0-21swapper/111:25:271
1036969993522,8cyclictest1660-21snmpd10:47:271
103696999351,2cyclictest0-21swapper/110:55:001
103696999351,28cyclictest0-21swapper/111:05:221
1036972993421,7cyclictest0-21swapper/211:25:182
1036969993424,7cyclictest1070729-21/usr/sbin/munin10:25:251
1036969993424,6cyclictest1048161-21grep08:10:281
1036968993428,4cyclictest20850irq/208-8000000.ethernet10:25:160
1036968993427,5cyclictest1060218-21munin-plugin-st09:25:010
1036968993427,4cyclictest0-21swapper/011:15:050
1036972993325,5cyclictest0-21swapper/209:20:292
103696899331,30cyclictest0-21swapper/007:21:050
103696899331,30cyclictest0-21swapper/007:21:050
1036972993221,8cyclictest311ktimers/212:20:132
1036972993221,8cyclictest1077223-21grep11:00:282
1036972993221,7cyclictest1064404-21grep09:45:292
1036972993221,7cyclictest1064404-21grep09:45:292
1036969993218,9cyclictest0-21swapper/107:45:251
1036968993226,4cyclictest20850irq/208-8000000.ethernet09:10:000
103696899322,2cyclictest0-21swapper/011:45:010
103697299315,16cyclictest1079669-21ptp4l11:15:262
1036972993123,4cyclictest0-21swapper/207:40:002
1036972993122,5cyclictest0-21swapper/209:35:292
1036972993122,4cyclictest0-21swapper/210:35:172
1036972993121,6cyclictest1043052-21grep07:40:282
1036969993122,6cyclictest1044760-21grep07:50:281
1036969993120,8cyclictest0-21swapper/111:55:211
103696999311,8cyclictest0-21swapper/107:40:021
103696999311,4cyclictest1061788-21unixbench_multi09:30:281
1036969993021,4cyclictest0-21swapper/108:00:001
1036969993020,4cyclictest1069471-21unixbench_multi10:15:281
1036969993019,8cyclictest1040561-21grep07:25:281
1036969993019,8cyclictest0-21swapper/110:10:271
1036972992921,5cyclictest0-21swapper/210:55:292
1036972992921,5cyclictest0-21swapper/210:55:292
1036972992918,7cyclictest0-21swapper/211:40:272
103697299285,16cyclictest1065272-21sed09:50:282
1036972992819,6cyclictest0-21swapper/210:25:022
1036969992819,7cyclictest0-21swapper/112:30:291
103696899281,2cyclictest0-21swapper/007:10:020
103697299273,16cyclictest1044726-21sed07:50:272
1036969992719,5cyclictest1073008-21unixbench_singl10:35:281
1036969992514,7cyclictest0-21swapper/111:10:191
1036969992414,7cyclictest0-21swapper/107:10:001
103697299216,9cyclictest1036978-21latency_hist07:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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