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2025-12-11 - 01:31

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 rackeslot6s.osadl.org (updated Wed Dec 10, 2025 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150722599751,37cyclictest0-21swapper/107:10:011
150722299731,56cyclictest0-21swapper/010:00:010
150722599621,48cyclictest0-21swapper/112:40:021
150722699612,48cyclictest1560630-21apt-get12:20:012
150722299618,4cyclictest0-21swapper/008:10:190
150722699571,36cyclictest0-21swapper/210:00:022
150722299573,38cyclictest14-21rcu_preempt10:50:000
150722699551,39cyclictest0-21swapper/208:30:012
150722699551,39cyclictest0-21swapper/208:30:012
150722599551,6cyclictest0-21swapper/112:25:021
150722599551,6cyclictest0-21swapper/112:25:021
150722699511,30cyclictest0-21swapper/210:30:002
150722699511,29cyclictest0-21swapper/212:40:012
150722599511,26cyclictest0-21swapper/110:30:001
1507226995034,6cyclictest1519685-21grep08:15:322
150722699501,30cyclictest0-21swapper/207:10:012
1507225995035,9cyclictest1544446-21grep10:40:301
1507222995037,9cyclictest0-21swapper/012:15:290
150722599491,31cyclictest0-21swapper/112:20:001
1507222994940,5cyclictest1555444-21grep11:45:310
1507226994833,9cyclictest0-21swapper/207:35:002
1507222994820,21cyclictest0-21swapper/010:35:020
1507222994820,21cyclictest0-21swapper/010:35:020
1507226994738,4cyclictest1524837-21grep08:45:312
1507226994733,10cyclictest0-21swapper/209:55:012
1507225994734,8cyclictest0-21swapper/107:25:011
1507225994734,8cyclictest0-21swapper/107:25:011
150722599471,42cyclictest0-21swapper/111:30:001
1507222994732,9cyclictest0-21swapper/008:35:300
150722299471,9cyclictest15-21rcuc/008:05:010
1507225994631,11cyclictest0-21swapper/107:30:011
150722599461,12cyclictest22-21rcuc/108:05:011
1507222994638,4cyclictest21050irq/252-8000000.ethernet11:15:010
1507222994635,8cyclictest0-21swapper/011:00:000
1507222994634,8cyclictest0-21swapper/009:15:210
150722299461,27cyclictest0-21swapper/011:30:000
1507226994527,13cyclictest0-21swapper/209:00:012
1507225994531,10cyclictest0-21swapper/110:00:291
1507225994529,8cyclictest0-21swapper/107:10:291
1507222994531,7cyclictest0-21swapper/010:40:300
150722299453,16cyclictest0-21swapper/011:45:000
1507226994435,5cyclictest0-21swapper/208:15:012
1507226994434,6cyclictest1555410-21grep11:45:302
1507226994431,8cyclictest0-21swapper/209:40:282
1507226994429,11cyclictest0-21swapper/207:55:292
1507226994429,11cyclictest0-21swapper/207:55:292
1507222994438,4cyclictest1547886-21munin-plugin-st11:05:000
1507225994330,8cyclictest0-21swapper/109:55:311
1507222994335,4cyclictest21050irq/252-8000000.ethernet08:45:230
1507222994314,7cyclictest15-21rcuc/007:15:200
1507226994237,3cyclictest1553793-21sendmail11:40:012
1507226994230,8cyclictest0-21swapper/208:34:592
1507226994230,8cyclictest0-21swapper/207:30:022
1507225994233,5cyclictest0-21swapper/111:19:591
1507225994231,4cyclictest0-21swapper/109:30:201
1507225994228,9cyclictest0-21swapper/111:05:201
1507225994228,9cyclictest0-21swapper/111:05:201
1507225994227,8cyclictest1541067-21grep10:20:291
1507222994235,5cyclictest1513746-21munin-plugin-st07:45:010
1507222994229,8cyclictest0-21swapper/011:15:300
1507222994227,9cyclictest0-21swapper/012:40:010
1507226994135,3cyclictest0-21swapper/212:10:002
1507226994133,4cyclictest0-21swapper/207:45:302
1507225994133,5cyclictest1509149-21cron07:20:001
1507225994129,8cyclictest0-21swapper/108:20:291
150722599411,3cyclictest0-21swapper/110:50:021
1507222994133,4cyclictest0-21swapper/011:05:280
1507222994133,4cyclictest0-21swapper/011:05:280
1507222994130,6cyclictest1562303-21grep12:25:270
1507222994130,6cyclictest0-21swapper/007:50:230
1507222994129,8cyclictest0-21swapper/009:50:300
1507222994128,9cyclictest1553417-21kernelversion11:35:230
150722299411,34cyclictest0-21swapper/009:10:170
150722299411,2cyclictest0-21swapper/008:30:020
150722299411,2cyclictest0-21swapper/008:30:010
1507226994029,6cyclictest0-21swapper/210:35:302
1507226994029,4cyclictest0-21swapper/207:20:192
1507226994029,4cyclictest0-21swapper/207:20:192
1507226994027,10cyclictest0-21swapper/207:40:292
1507226994026,9cyclictest1520491-21unixbench_multi08:20:282
1507226994025,7cyclictest0-21swapper/211:10:272
1507226994019,10cyclictest0-21swapper/211:55:292
150722699401,25cyclictest0-21swapper/210:10:022
1507225994026,9cyclictest0-21swapper/109:20:281
150722599402,4cyclictest0-21swapper/110:50:011
1507225994022,9cyclictest0-21swapper/108:40:311
150722299404,6cyclictest0-21swapper/010:05:000
1507222994033,5cyclictest0-21swapper/010:40:010
1507222994032,4cyclictest21050irq/252-8000000.ethernet08:55:270
1507222994029,8cyclictest0-21swapper/012:25:000
1507222994029,8cyclictest0-21swapper/012:25:000
1507222994028,8cyclictest0-21swapper/011:30:280
1507222994028,8cyclictest0-21swapper/009:20:280
1507222994027,9cyclictest0-21swapper/010:05:310
1507222994027,10cyclictest0-21swapper/012:00:000
150722299401,3cyclictest0-21swapper/007:10:130
1507226993926,9cyclictest0-21swapper/209:25:262
1507225993925,9cyclictest0-21swapper/108:25:291
1507225993925,9cyclictest0-21swapper/108:25:291
1507225993922,11cyclictest0-21swapper/111:45:311
150722599391,34cyclictest0-21swapper/107:55:001
1507222993932,4cyclictest21250irq/208-8000000.ethernet09:05:250
1507222993926,8cyclictest0-21swapper/010:20:280
150722299391,3cyclictest0-21swapper/007:10:020
1507226993829,5cyclictest0-21swapper/207:15:232
1507226993829,4cyclictest0-21swapper/211:25:212
1507226993828,7cyclictest1533333-21unixbench_multi09:35:282
1507226993828,6cyclictest1515358-21grep07:50:302
1507226993828,6cyclictest0-21swapper/208:00:292
1507226993827,6cyclictest0-21swapper/210:55:272
1507226993826,8cyclictest0-21swapper/211:00:282
1507226993825,9cyclictest0-21swapper/212:00:302
1507226993823,10cyclictest0-21swapper/210:15:232
150722699381,19cyclictest0-21swapper/210:55:022
1507225993829,4cyclictest0-21swapper/112:10:011
1507225993827,7cyclictest0-21swapper/111:40:281
1507225993825,8cyclictest0-21swapper/112:30:211
1507225993822,10cyclictest1511920-21grep07:30:321
150722299387,20cyclictest1177198-1kworker/0:2H+mmc_complete07:30:010
1507222993829,5cyclictest0-21swapper/008:30:270
1507222993827,8cyclictest0-21swapper/011:20:280
1507222993815,20cyclictest0-21swapper/008:50:270
1507226993731,4cyclictest168450irq/134-8000000.ethernet-tx212:25:182
1507226993730,3cyclictest0-21swapper/210:00:262
1507226993728,5cyclictest0-21swapper/208:35:292
1507226993728,5cyclictest0-21swapper/208:10:022
1507226993726,7cyclictest0-21swapper/212:30:292
1507226993725,6cyclictest0-21swapper/207:35:302
1507226993713,18cyclictest168450irq/134-8000000.ethernet-tx209:10:122
1507225993729,4cyclictest0-21swapper/108:45:311
1507225993729,4cyclictest0-21swapper/108:35:261
1507225993728,4cyclictest0-21swapper/107:40:281
1507225993726,7cyclictest0-21swapper/109:05:281
1507225993726,6cyclictest1553700-21grep11:35:291
1507225993725,8cyclictest1529971-21grep09:15:311
1507225993725,6cyclictest1549449-21grep11:10:271
1507225993723,7cyclictest0-21swapper/109:10:281
1507225993718,14cyclictest231ktimers/111:55:161
150722299375,25cyclictest1517245-21ls08:05:000
150722299374,10cyclictest1512118-21gpg-connect-age07:35:000
1507222993729,5cyclictest0-21swapper/007:35:180
1507222993726,7cyclictest0-21swapper/007:55:300
1507222993726,7cyclictest0-21swapper/007:55:290
1507222993725,8cyclictest0-21swapper/012:00:310
1507222993725,8cyclictest0-21swapper/008:15:310
150722299371,4cyclictest0-21swapper/012:30:250
150722299371,23cyclictest1177198-1kworker/0:2H+kblockd09:45:020
1507226993626,7cyclictest1530805-21grep09:20:272
1507226993623,7cyclictest0-21swapper/211:15:292
150722699361,7cyclictest0-21swapper/212:25:022
150722699361,7cyclictest0-21swapper/212:25:022
1507225993625,9cyclictest1531102-21/usr/sbin/munin09:25:161
1507225993624,6cyclictest0-21swapper/109:35:281
1507222993630,4cyclictest21250irq/208-8000000.ethernet08:20:190
1507222993629,4cyclictest21250irq/208-8000000.ethernet09:00:270
1507222993629,4cyclictest20050irq/27-20000000.i2c09:35:150
1507226993527,4cyclictest0-21swapper/208:45:002
1507226993521,9cyclictest0-21swapper/210:20:282
1507225993526,3cyclictest1525730-21cron08:55:001
1507225993524,7cyclictest0-21swapper/110:15:321
1507225993519,8cyclictest0-21swapper/109:00:011
1507225993519,11cyclictest231ktimers/111:00:111
1507222993529,4cyclictest21250irq/208-8000000.ethernet10:10:190
1507222993527,5cyclictest20050irq/27-20000000.i2c07:20:200
1507222993527,5cyclictest20050irq/27-20000000.i2c07:20:200
1507222993526,6cyclictest1532501-21grep09:30:280
1507222993526,4cyclictest0-21swapper/007:45:230
150722299351,32cyclictest0-21swapper/010:19:210
150722699344,5cyclictest0-21swapper/209:20:002
1507226993426,5cyclictest0-21swapper/212:10:202
1507226993425,6cyclictest1539357-21grep10:10:292
1507226993423,7cyclictest0-21swapper/211:30:282
1507226993421,9cyclictest0-21swapper/210:30:212
1507226993421,9cyclictest0-21swapper/210:30:212
1507226993419,10cyclictest311ktimers/209:30:132
1507226993418,11cyclictest311ktimers/208:50:132
1507225993426,5cyclictest1518771-21grep08:10:281
1507225993426,4cyclictest0-21swapper/109:50:231
1507225993424,5cyclictest0-21swapper/111:30:291
1507222993425,6cyclictest1541897-21grep10:25:290
150722299342,4cyclictest1531430-21tail09:25:250
1507222993424,6cyclictest0-21swapper/012:05:290
150722299341,31cyclictest0-21swapper/008:40:230
1507226993322,6cyclictest1554596-21grep11:40:282
1507225993324,5cyclictest0-21swapper/110:55:211
1507225993324,5cyclictest0-21swapper/109:45:201
1507225993311,16cyclictest1534006-21proc_pri09:40:261
1507222993316,13cyclictest131ktimers/009:45:130
150722699322,4cyclictest0-21swapper/209:10:012
1507226993220,8cyclictest0-21swapper/211:20:302
1507225993223,6cyclictest1551202-21grep11:20:291
1507225993221,7cyclictest0-21swapper/107:45:211
1507225993220,8cyclictest0-21swapper/112:25:281
1507225993216,11cyclictest231ktimers/108:30:141
1507226993122,7cyclictest1555679-21/usr/sbin/munin11:50:172
1507226993121,5cyclictest0-21swapper/211:05:262
1507226993121,5cyclictest0-21swapper/211:05:262
1507226993111,18cyclictest30-21rcuc/209:45:312
1507225993123,4cyclictest1539344-21grep10:10:301
1507225993120,7cyclictest0-21swapper/110:35:291
150722299311,24cyclictest0-21swapper/011:55:020
1507222993111,15cyclictest131ktimers/010:50:120
1507226993022,5cyclictest1545241-21unixbench_multi10:45:312
1507225993023,4cyclictest0-21swapper/109:00:311
1507225993022,5cyclictest1557378-21/usr/sbin/munin12:00:271
1507225993022,4cyclictest0-21swapper/111:50:301
1507225993020,7cyclictest0-21swapper/112:15:001
150722299301,6cyclictest0-21swapper/012:10:250
1507226992918,8cyclictest0-21swapper/210:40:312
1507225992920,5cyclictest0-21swapper/110:30:291
1507225992920,5cyclictest0-21swapper/110:30:291
1507226992821,4cyclictest0-21swapper/207:10:262
150722699281,25cyclictest0-21swapper/209:00:282
1507225992821,5cyclictest1515619-21/usr/sbin/munin07:55:201
1507225992821,5cyclictest1515619-21/usr/sbin/munin07:55:201
150722599281,2cyclictest0-21swapper/108:00:291
1507225992812,14cyclictest168350irq/126-8000000.ethernet-tx110:08:231
1507225992721,3cyclictest0-21swapper/108:15:291
1507225992718,6cyclictest0-21swapper/107:35:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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