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2026-05-17 - 15:35

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 Sun May 17, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
125021499781,54cyclictest0-21swapper/210:50:002
1250214996761,4cyclictest311ktimers/208:05:012
1250214996153,6cyclictest30-21rcuc/207:30:022
1250206996051,4cyclictest0-21swapper/011:00:000
1250214995954,2cyclictest0-21swapper/211:00:012
1250214995615,21cyclictest4016274-1kworker/2:2H+kblockd12:35:052
1250214995547,5cyclictest311ktimers/209:50:152
1250214995341,9cyclictest0-21swapper/210:05:022
1250206995343,4cyclictest20850irq/208-8000000.ethernet12:40:010
1250214995238,9cyclictest1252947-21grep07:20:292
1250214995232,13cyclictest0-21swapper/210:30:022
125021099522,28cyclictest0-21swapper/109:20:011
1250206995245,4cyclictest0-21swapper/009:15:170
1250214995136,7cyclictest1274239-21grep09:25:272
1250214995134,11cyclictest311ktimers/211:50:132
1250214995128,16cyclictest311ktimers/210:20:122
1250214995033,11cyclictest0-21swapper/211:35:002
1250214995033,10cyclictest0-21swapper/208:40:272
1250210995039,6cyclictest1252140-21sendmail07:20:001
125021499495,7cyclictest1255507-21apt-get07:40:012
1250214994930,13cyclictest311ktimers/212:15:142
1250206994939,5cyclictest167350irq/118-8000000.ethernet-tx012:25:240
1250206994939,5cyclictest167350irq/118-8000000.ethernet-tx012:25:230
1250214994828,13cyclictest0-21swapper/210:45:012
1250214994828,13cyclictest0-21swapper/210:45:012
1250206994841,4cyclictest0-21swapper/009:20:170
1250214994732,10cyclictest0-21swapper/209:00:302
1250214994728,12cyclictest311ktimers/209:45:112
125020699471,5cyclictest1265821-21cron08:40:000
1250214994630,10cyclictest0-21swapper/208:50:212
1250214994614,21cyclictest311ktimers/212:30:022
1250214994614,21cyclictest311ktimers/212:30:012
1250206994639,4cyclictest167350irq/118-8000000.ethernet-tx007:20:230
1250206994637,5cyclictest20650irq/252-8000000.ethernet09:25:150
1250214994525,14cyclictest311ktimers/212:30:132
125021099452,4cyclictest0-21swapper/107:15:021
1250206994537,5cyclictest1305689-21munin-plugin-st12:34:590
125020699452,4cyclictest0-21swapper/011:55:000
1250214994427,11cyclictest0-21swapper/209:30:212
1250214994427,11cyclictest0-21swapper/209:30:202
1250210994436,5cyclictest0-21swapper/107:55:161
1250206994438,4cyclictest20850irq/208-8000000.ethernet08:00:010
1250206994437,4cyclictest0-21swapper/011:30:120
1250206994436,5cyclictest0-21swapper/008:35:010
1250206994424,6cyclictest131ktimers/009:10:280
125020699441,38cyclictest0-21swapper/009:00:130
1250214994336,5cyclictest30-21rcuc/208:25:012
1250214994331,8cyclictest1275847-21grep09:35:292
1250214994329,11cyclictest311ktimers/212:20:122
1250214994326,11cyclictest1296399-21munin-plugin-st11:40:002
1250214994324,14cyclictest0-21swapper/211:25:002
1250210994329,10cyclictest0-21swapper/108:00:311
1250206994336,4cyclictest167350irq/118-8000000.ethernet-tx011:55:180
1250206994336,4cyclictest167350irq/118-8000000.ethernet-tx007:45:300
1250206994334,6cyclictest1297152-21unixbench_multi11:40:300
1250206994334,6cyclictest0-21swapper/011:25:300
125020699432,4cyclictest1263739-21if_eth008:25:220
1250206994322,19cyclictest0-21swapper/011:05:200
125020699431,4cyclictest1278149-21memory09:50:250
1250214994230,7cyclictest0-21swapper/211:25:202
1250214994222,14cyclictest311ktimers/209:55:152
125021099423,7cyclictest0-21swapper/111:40:201
1250210994233,5cyclictest0-21swapper/110:05:011
1250210994228,8cyclictest0-21swapper/109:05:291
1250210994223,10cyclictest0-21swapper/107:45:281
1250206994236,4cyclictest1277648-21munin-plugin-st09:50:000
1250206994233,6cyclictest1260662-21grep08:05:290
1250206994233,6cyclictest1256120-21memory07:40:270
1250206994233,6cyclictest1256120-21memory07:40:270
125020699423,10cyclictest1267843-21cut08:50:190
1250214994130,5cyclictest0-21swapper/208:35:282
1250214994127,7cyclictest0-21swapper/210:35:202
1250214994112,19cyclictest1260127-21/usr/sbin/munin08:05:202
1250210994115,17cyclictest1267717-21/usr/sbin/munin08:50:181
1250206994134,4cyclictest167350irq/118-8000000.ethernet-tx007:35:170
1250206994133,5cyclictest1280066-21grep10:00:300
1250206994133,4cyclictest167350irq/118-8000000.ethernet-tx011:20:180
125020699411,38cyclictest0-21swapper/010:05:210
1250214994024,10cyclictest0-21swapper/212:05:272
1250210994022,10cyclictest0-21swapper/107:25:291
1250206994035,2cyclictest0-21swapper/008:10:290
1250206994031,4cyclictest1251657-21fschecks_time07:15:210
125020699402,9cyclictest1282520-21ps10:15:260
1250206994029,8cyclictest1283-21cron12:15:010
125020699401,4cyclictest1288208-21df10:50:150
125020699401,2cyclictest1253193-21apt-get07:25:130
1250214993927,8cyclictest1258999-21sendmail-msp08:00:002
1250214993927,7cyclictest1292962-21grep11:15:292
1250214993913,11cyclictest1281311-21/usr/sbin/munin10:10:202
1250210993927,8cyclictest0-21swapper/108:39:591
1250210993926,8cyclictest0-21swapper/110:55:291
1250210993926,8cyclictest0-21swapper/108:20:021
1250210993926,8cyclictest0-21swapper/108:20:011
1250210993925,10cyclictest0-21swapper/111:10:321
1250210993923,8cyclictest0-21swapper/110:10:301
1250206993933,3cyclictest0-21swapper/012:15:160
1250206993932,4cyclictest20850irq/208-8000000.ethernet08:00:240
1250206993932,4cyclictest0-21swapper/009:35:160
1250206993931,5cyclictest1287115-21munin-plugin-st10:45:010
1250206993931,5cyclictest1287115-21munin-plugin-st10:45:010
1250206993930,6cyclictest20850irq/208-8000000.ethernet08:20:240
125020699391,7cyclictest0-21swapper/011:40:020
125020699391,36cyclictest0-21swapper/011:00:150
125020699391,36cyclictest0-21swapper/010:45:220
125020699391,36cyclictest0-21swapper/007:10:150
1250214993824,9cyclictest311ktimers/207:10:152
1250210993829,5cyclictest0-21swapper/108:45:171
1250210993828,7cyclictest0-21swapper/108:25:001
1250210993827,7cyclictest0-21swapper/109:45:291
1250210993827,6cyclictest0-21swapper/109:30:281
1250210993827,6cyclictest0-21swapper/109:30:281
1250210993827,5cyclictest0-21swapper/111:45:281
1250210993824,8cyclictest0-21swapper/111:30:301
1250210993821,11cyclictest0-21swapper/110:30:281
1250206993834,2cyclictest0-21swapper/010:10:220
1250206993832,3cyclictest0-21swapper/009:30:140
1250206993832,3cyclictest0-21swapper/009:30:140
1250206993831,4cyclictest1279330-21cat10:00:010
1250206993830,6cyclictest20850irq/208-8000000.ethernet12:05:160
1250206993830,5cyclictest0-21swapper/010:35:280
125020699381,35cyclictest0-21swapper/011:45:150
125020699381,35cyclictest0-21swapper/011:15:260
125020699381,32cyclictest1262363-21grep08:15:260
125020699381,32cyclictest1262363-21grep08:15:260
1250214993729,5cyclictest1285424-21munin-plugin-st10:35:002
1250214993729,4cyclictest0-21swapper/207:15:292
1250214993726,6cyclictest0-21swapper/209:20:272
125021099373,9cyclictest0-21swapper/109:00:001
1250210993725,7cyclictest0-21swapper/111:55:271
1250206993724,8cyclictest0-21swapper/008:40:180
125020699371,5cyclictest1284413-21tail10:25:280
125020699371,34cyclictest0-21swapper/008:45:200
125020699371,34cyclictest0-21swapper/007:50:130
1250214993630,4cyclictest14-21rcu_preempt08:15:252
1250214993630,4cyclictest14-21rcu_preempt08:15:252
1250214993627,6cyclictest1297250-21apt11:44:592
1250214993622,6cyclictest0-21swapper/211:00:292
1250210993628,5cyclictest0-21swapper/108:15:001
1250210993625,7cyclictest0-21swapper/109:50:291
1250210993624,8cyclictest0-21swapper/109:20:271
1250210993624,8cyclictest0-21swapper/107:50:261
125021099361,5cyclictest1294607-21unixbench_multi11:25:291
1250206993629,4cyclictest20850irq/208-8000000.ethernet10:30:150
1250206993629,4cyclictest167350irq/118-8000000.ethernet-tx012:00:290
1250206993624,9cyclictest0-21swapper/007:30:270
125020699361,33cyclictest0-21swapper/012:21:390
125020699361,33cyclictest0-21swapper/011:13:220
125020699361,33cyclictest0-21swapper/009:40:150
125020699361,33cyclictest0-21swapper/009:09:090
1250214993528,3cyclictest0-21swapper/209:10:242
1250214993527,6cyclictest311ktimers/207:40:262
1250214993527,6cyclictest311ktimers/207:40:262
1250214993525,7cyclictest0-21swapper/211:45:222
1250214993524,7cyclictest311ktimers/207:50:142
1250214993521,8cyclictest311ktimers/208:55:122
1250210993528,4cyclictest0-21swapper/111:04:591
1250210993526,5cyclictest0-21swapper/110:49:591
1250210993526,4cyclictest0-21swapper/110:30:001
1250210993525,6cyclictest0-21swapper/110:15:201
1250210993524,5cyclictest1252994-21munin-plugin-st07:25:001
1250206993518,13cyclictest0-21swapper/008:59:590
1250214993421,7cyclictest0-21swapper/211:55:202
1250214993420,7cyclictest0-21swapper/210:15:272
1250214993417,11cyclictest0-21swapper/209:15:222
1250210993429,3cyclictest1296391-21sh11:40:001
125021099342,4cyclictest1271354-21irqstats09:10:211
125021099342,4cyclictest0-21swapper/112:35:011
1250210993424,7cyclictest0-21swapper/108:25:281
125021099341,28cyclictest0-21swapper/112:15:201
125020699341,3cyclictest0-21swapper/010:25:000
125021499336,22cyclictest0-21swapper/212:00:262
1250214993323,7cyclictest0-21swapper/209:40:292
1250214993322,6cyclictest0-21swapper/210:05:282
1250214993321,5cyclictest30-21rcuc/210:50:252
1250210993326,4cyclictest167450irq/126-8000000.ethernet-tx109:43:231
1250210993323,7cyclictest0-21swapper/109:55:261
1250210993322,8cyclictest0-21swapper/111:10:001
1250210993319,8cyclictest0-21swapper/110:35:191
1250210993319,8cyclictest0-21swapper/107:30:271
125021499327,14cyclictest1270257-21/usr/sbin/munin09:05:192
125021499324,19cyclictest1302268-21sed12:10:282
1250214993224,4cyclictest0-21swapper/208:20:192
1250214993216,9cyclictest30-21rcuc/211:10:192
1250210993221,7cyclictest0-21swapper/108:40:271
1250210993221,7cyclictest0-21swapper/107:40:311
1250210993221,7cyclictest0-21swapper/107:40:301
1250210993220,8cyclictest0-21swapper/107:10:011
1250210993214,13cyclictest0-21swapper/112:05:281
125021099321,25cyclictest0-21swapper/112:10:231
1250214993121,7cyclictest0-21swapper/211:05:212
1250214993119,7cyclictest0-21swapper/208:45:272
1250210993121,7cyclictest0-21swapper/112:20:281
1250210993121,5cyclictest0-21swapper/110:20:281
1250210993120,8cyclictest0-21swapper/109:00:311
125021099311,9cyclictest0-21swapper/111:25:021
1250210993116,6cyclictest1273747-21cut09:25:181
125021099311,3cyclictest0-21swapper/112:35:001
125021099311,28cyclictest0-21swapper/110:40:301
125021099311,28cyclictest0-21swapper/110:40:291
1250214993021,5cyclictest0-21swapper/207:30:162
1250210993019,8cyclictest0-21swapper/111:50:281
1250210993018,8cyclictest0-21swapper/110:10:011
1250214992924,4cyclictest0-21swapper/208:10:302
1250214992919,6cyclictest1250217-21sort07:10:012
1250210992922,5cyclictest1254926-21ssh07:35:161
1250210992922,5cyclictest0-21swapper/111:20:011
125020699291,2cyclictest0-21swapper/007:10:010
125021499288,14cyclictest311ktimers/207:45:142
1250210992823,2cyclictest0-21swapper/108:05:191
1250210992817,7cyclictest0-21swapper/108:30:271
125021099278,13cyclictest0-21swapper/110:55:011
1250210992717,8cyclictest231ktimers/109:35:241
1250214992615,8cyclictest30-21rcuc/208:30:202
125021099268,15cyclictest167450irq/126-8000000.ethernet-tx112:28:501
125021099268,15cyclictest167450irq/126-8000000.ethernet-tx112:28:501
1250210992516,4cyclictest1300818-21date12:05:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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