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2026-03-26 - 16:42

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 the 792 highest latencies:
System (updated Thu Mar 26, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1434500996741,3cyclictest1467019-21apt-get10:20:010
1434503995744,9cyclictest0-21swapper/210:20:282
1434500995648,5cyclictest0-21swapper/009:05:100
1434502995342,6cyclictest231ktimers/109:15:131
143450399529,13cyclictest30-21rcuc/212:20:042
1434503995236,11cyclictest0-21swapper/208:20:292
1434503995040,6cyclictest1461040-21grep09:40:302
143450299506,30cyclictest0-21swapper/112:20:031
143450299504,18cyclictest22-21rcuc/107:25:011
143450299504,18cyclictest22-21rcuc/107:25:011
1434502995039,8cyclictest1490925-21sendmail12:40:011
143450299493,29cyclictest22-21rcuc/107:50:021
1434500994941,4cyclictest167350irq/118-8000000.ethernet-tx011:05:310
1434502994834,9cyclictest0-21swapper/108:35:021
1434500994842,3cyclictest167350irq/118-8000000.ethernet-tx007:35:220
1434502994632,10cyclictest0-21swapper/109:30:001
1434500994639,4cyclictest167350irq/118-8000000.ethernet-tx009:10:230
1434500994629,14cyclictest167350irq/118-8000000.ethernet-tx011:15:230
1434500994629,14cyclictest167350irq/118-8000000.ethernet-tx011:15:230
143450099461,43cyclictest0-21swapper/010:20:100
1434503994532,8cyclictest0-21swapper/212:25:282
1434502994534,8cyclictest0-21swapper/112:00:291
1434500994533,4cyclictest0-21swapper/008:40:190
143450099451,9cyclictest0-21swapper/010:00:010
143450099451,41cyclictest0-21swapper/011:10:130
1434503994434,5cyclictest0-21swapper/210:10:272
1434503994431,8cyclictest0-21swapper/208:40:272
1434503994429,8cyclictest0-21swapper/212:05:272
1434503994429,8cyclictest0-21swapper/212:05:272
1434502994434,5cyclictest0-21swapper/109:45:001
1434502994429,10cyclictest0-21swapper/107:15:011
1434502994427,13cyclictest231ktimers/109:20:121
143450099443,4cyclictest1462208-21diskstats09:50:180
143450099441,41cyclictest0-21swapper/012:30:000
1434503994335,4cyclictest1478079-21munin-plugin-st11:24:592
1434503994335,4cyclictest0-21swapper/208:05:272
1434503994327,12cyclictest311ktimers/209:50:132
143450299431,36cyclictest0-21swapper/109:50:291
1434500994336,5cyclictest0-21swapper/008:05:130
1434500994334,6cyclictest0-21swapper/007:45:160
143450099431,40cyclictest0-21swapper/011:20:200
143450099431,40cyclictest0-21swapper/008:30:130
1434503994229,9cyclictest311ktimers/208:15:152
1434503994227,7cyclictest0-21swapper/211:55:282
1434503994224,3cyclictest0-21swapper/212:40:012
143450299425,22cyclictest22-21rcuc/107:35:011
1434502994233,4cyclictest0-21swapper/109:50:001
1434502994231,8cyclictest1454719-21cut09:05:211
1434502994230,8cyclictest0-21swapper/107:30:271
1434502994225,12cyclictest231ktimers/107:50:121
1434500994234,4cyclictest20650irq/252-8000000.ethernet07:55:010
1434500994229,8cyclictest0-21swapper/008:25:010
143450099421,39cyclictest0-21swapper/008:35:180
143450099421,38cyclictest1480414-21ps11:35:260
1434503994129,9cyclictest1470373-21grep10:35:282
1434503994129,9cyclictest1470373-21grep10:35:282
1434503994127,6cyclictest311ktimers/209:45:142
1434503994126,10cyclictest311ktimers/211:15:142
1434503994126,10cyclictest311ktimers/211:15:142
1434503994124,13cyclictest311ktimers/207:10:102
1434502994129,7cyclictest1489030-21grep12:25:271
1434502994129,5cyclictest1450875-21grep08:40:261
1434502994126,9cyclictest0-21swapper/111:10:191
1434502994124,9cyclictest0-21swapper/110:05:191
1434500994134,4cyclictest20850irq/208-8000000.ethernet07:30:250
1434500994134,4cyclictest167350irq/118-8000000.ethernet-tx009:45:190
1434500994134,4cyclictest167350irq/118-8000000.ethernet-tx009:25:270
143450099411,4cyclictest1469071-21grep10:30:190
143450099411,4cyclictest0-21swapper/011:55:000
1434503994031,5cyclictest1440612-21grep07:40:282
1434503994028,8cyclictest0-21swapper/211:30:282
1434503994027,10cyclictest311ktimers/210:40:112
1434503994022,12cyclictest0-21swapper/210:00:242
1434502994028,9cyclictest1463834-21/usr/sbin/munin10:00:181
1434500994033,4cyclictest20850irq/208-8000000.ethernet09:30:290
1434500994026,10cyclictest0-21swapper/008:55:180
143450099401,35cyclictest0-21swapper/012:05:020
143450099401,35cyclictest0-21swapper/012:05:020
1434503993930,6cyclictest0-21swapper/211:35:282
1434503993929,7cyclictest0-21swapper/211:40:272
1434503993926,8cyclictest0-21swapper/209:30:292
1434503993923,10cyclictest311ktimers/209:10:112
1434502993929,5cyclictest1447376-21head08:20:291
1434502993927,8cyclictest0-21swapper/107:55:271
1434500993932,4cyclictest167350irq/118-8000000.ethernet-tx011:45:240
1434500993923,10cyclictest0-21swapper/012:15:010
1434500993916,18cyclictest0-21swapper/011:25:030
1434500993916,18cyclictest0-21swapper/011:25:030
143450099391,3cyclictest0-21swapper/010:45:240
143450099391,36cyclictest1435654-21tune2fs07:15:050
143450099391,36cyclictest0-21swapper/010:35:260
143450099391,36cyclictest0-21swapper/010:35:260
143450099391,36cyclictest0-21swapper/008:15:240
143450099391,36cyclictest0-21swapper/008:00:160
143450099391,36cyclictest0-21swapper/008:00:160
143450099391,2cyclictest0-21swapper/012:25:020
1434503993830,5cyclictest0-21swapper/212:00:292
1434503993829,5cyclictest1437176-21grep07:20:272
1434503993829,5cyclictest1437176-21grep07:20:272
1434503993829,4cyclictest0-21swapper/211:45:292
1434503993828,5cyclictest0-21swapper/212:20:252
143450399382,2cyclictest0-21swapper/209:10:012
1434502993829,5cyclictest0-21swapper/107:25:271
1434502993829,4cyclictest0-21swapper/111:55:281
1434502993825,9cyclictest231ktimers/112:30:141
1434502993823,8cyclictest0-21swapper/109:55:301
1434502993823,10cyclictest0-21swapper/111:30:201
1434502993819,14cyclictest231ktimers/110:10:101
143450299381,4cyclictest0-21swapper/111:30:021
143450299381,4cyclictest0-21swapper/111:30:011
1434500993832,3cyclictest167350irq/118-8000000.ethernet-tx012:00:240
1434500993831,4cyclictest0-21swapper/012:35:170
143450099382,3cyclictest1474468-21ptp4l11:00:260
1434500993821,15cyclictest0-21swapper/008:10:100
143450099381,7cyclictest0-21swapper/009:40:000
143450099381,3cyclictest1473687-21mailstats10:55:270
143450099381,35cyclictest1481740-21date11:45:010
143450099381,35cyclictest0-21swapper/010:25:220
143450099381,35cyclictest0-21swapper/009:15:260
1434503993729,6cyclictest30-21rcuc/211:50:182
1434503993727,6cyclictest0-21swapper/209:05:012
1434503993724,8cyclictest0-21swapper/208:45:272
1434503993715,7cyclictest30-21rcuc/207:50:012
1434502993730,5cyclictest0-21swapper/110:40:281
1434502993727,7cyclictest0-21swapper/111:50:281
1434500993732,2cyclictest0-21swapper/010:10:020
1434500993730,4cyclictest0-21swapper/009:40:150
1434500993729,5cyclictest20850irq/208-8000000.ethernet08:55:010
143450099371,3cyclictest0-21swapper/010:10:200
143450099371,34cyclictest0-21swapper/012:30:130
143450399367,20cyclictest30-21rcuc/210:50:002
1434503993626,7cyclictest1449097-21grep08:30:282
1434503993626,7cyclictest0-21swapper/207:29:592
1434503993626,6cyclictest1453396-21grep08:55:292
1434503993626,6cyclictest1450059-21grep08:35:282
1434503993626,5cyclictest0-21swapper/210:25:282
1434503993625,8cyclictest1436332-21grep07:15:292
1434503993613,11cyclictest0-21swapper/207:35:022
1434502993628,4cyclictest1474617-21unixbench_multi11:00:271
1434502993628,4cyclictest0-21swapper/109:35:191
1434502993627,5cyclictest0-21swapper/111:15:291
1434502993627,5cyclictest0-21swapper/111:15:291
1434502993626,7cyclictest0-21swapper/108:35:281
1434502993626,6cyclictest0-21swapper/110:20:251
1434502993625,7cyclictest0-21swapper/108:25:291
1434502993625,7cyclictest0-21swapper/108:25:291
1434502993624,7cyclictest0-21swapper/110:59:591
1434502993615,16cyclictest231ktimers/107:40:151
1434500993629,4cyclictest20850irq/208-8000000.ethernet07:55:280
1434500993625,7cyclictest0-21swapper/007:20:280
1434500993625,7cyclictest0-21swapper/007:20:270
143450099361,3cyclictest0-21swapper/010:00:260
143450099361,33cyclictest0-21swapper/012:16:430
143450099361,33cyclictest0-21swapper/010:40:200
143450099361,33cyclictest0-21swapper/009:00:200
1434503993527,6cyclictest0-21swapper/211:05:342
1434503993526,6cyclictest1469580-21grep10:30:292
1434503993523,9cyclictest0-21swapper/207:55:252
1434503993522,10cyclictest311ktimers/211:10:142
1434502993526,6cyclictest1446468-21grep08:15:281
1434502993519,9cyclictest0-21swapper/110:45:301
143450099351,32cyclictest0-21swapper/009:20:140
143450099351,32cyclictest0-21swapper/007:40:240
143450099351,2cyclictest0-21swapper/008:50:020
1434503993428,3cyclictest1466998-21latency_hist10:20:002
1434503993424,6cyclictest1452560-21grep08:50:292
1434503993422,9cyclictest311ktimers/208:25:112
1434503993422,9cyclictest311ktimers/208:25:112
1434502993426,5cyclictest0-21swapper/110:30:011
1434502993423,7cyclictest1443924-21grep08:00:271
1434502993423,7cyclictest1443924-21grep08:00:271
1434502993423,7cyclictest0-21swapper/111:35:271
1434502993422,8cyclictest0-21swapper/111:40:201
1434502993414,14cyclictest167450irq/126-8000000.ethernet-tx109:30:221
1434500993428,4cyclictest20850irq/208-8000000.ethernet11:55:160
143450099341,3cyclictest0-21swapper/008:27:170
143450099341,3cyclictest0-21swapper/008:27:170
143450099341,31cyclictest0-21swapper/007:28:310
1434503993327,3cyclictest1438966-21munin-plugin-st07:35:012
143450399332,29cyclictest0-21swapper/209:38:212
143450399331,27cyclictest0-21swapper/210:05:162
1434502993325,5cyclictest1485660-21grep12:05:281
1434502993325,5cyclictest1485660-21grep12:05:281
1434502993323,7cyclictest0-21swapper/112:10:281
1434502993322,6cyclictest0-21swapper/110:50:281
143450099331,5cyclictest0-21swapper/010:55:020
143450099331,30cyclictest0-21swapper/011:30:030
143450099331,30cyclictest0-21swapper/007:10:060
1434503993224,5cyclictest1458461-21grep09:25:262
1434503993222,5cyclictest0-21swapper/210:55:252
1434503993221,8cyclictest0-21swapper/212:30:212
1434503993219,9cyclictest0-21swapper/211:00:272
1434502993224,5cyclictest1452007-21/usr/sbin/munin08:50:271
1434502993222,5cyclictest0-21swapper/107:15:211
1434502993221,8cyclictest0-21swapper/112:25:001
1434502993217,12cyclictest231ktimers/111:45:141
1434502993213,13cyclictest167450irq/126-8000000.ethernet-tx108:10:281
1434503993123,5cyclictest0-21swapper/212:10:172
1434503993120,7cyclictest311ktimers/208:10:112
1434502993122,6cyclictest1455382-21/usr/sbin/munin09:10:251
143450399304,19cyclictest1463539-21unixbench_multi09:55:282
1434503993019,8cyclictest0-21swapper/209:20:282
1434503993017,8cyclictest0-21swapper/209:15:182
1434503993010,5cyclictest8321systemd-network07:52:232
1434502993023,5cyclictest1478070-21cron11:25:001
1434502993019,8cyclictest0-21swapper/110:15:281
143450099301,3cyclictest0-21swapper/007:10:000
1434503992920,6cyclictest0-21swapper/210:50:272
143450399291,2cyclictest0-21swapper/211:25:182
143450399291,2cyclictest0-21swapper/211:25:182
1434502992922,4cyclictest0-21swapper/109:00:251
1434502992916,7cyclictest231ktimers/110:30:121
143450299291,26cyclictest0-21swapper/108:45:251
1434502992821,5cyclictest0-21swapper/108:55:271
1434502992821,4cyclictest0-21swapper/107:10:011
1434502992820,5cyclictest0-21swapper/110:35:211
1434502992820,5cyclictest0-21swapper/110:35:211
1434502992817,6cyclictest1475450-21grep11:05:331
143450399264,14cyclictest1443943-21unixbench_multi08:00:272
143450399264,14cyclictest1443943-21unixbench_multi08:00:272
1434502992618,5cyclictest1444790-21grep08:05:271
143450399233,11cyclictest1434551-21latency_hist07:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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