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2026-03-31 - 20:45

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 Tue Mar 31, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1648519998912,32cyclictest0-21swapper/211:40:022
1648515998674,10cyclictest131ktimers/008:25:010
164851999811,54cyclictest0-21swapper/208:40:012
1648519997749,23cyclictest1687876-21munin-plugin-st11:00:012
164851899771,46cyclictest0-21swapper/110:15:011
164851899771,46cyclictest0-21swapper/110:15:011
1648515997756,15cyclictest0-21swapper/011:35:010
164851999731,58cyclictest0-21swapper/208:30:142
164851999731,54cyclictest0-21swapper/208:40:132
164851999691,52cyclictest0-21swapper/209:05:132
164851999691,52cyclictest0-21swapper/209:05:122
164851999671,55cyclictest0-21swapper/207:35:132
164851999671,52cyclictest0-21swapper/210:35:122
164851999661,52cyclictest0-21swapper/210:10:122
164851999661,52cyclictest0-21swapper/210:10:122
164851999651,52cyclictest0-21swapper/212:05:142
164851999651,52cyclictest0-21swapper/207:20:112
164851999651,50cyclictest0-21swapper/210:50:122
164851999651,50cyclictest0-21swapper/210:00:132
164851999641,50cyclictest0-21swapper/207:40:132
164851999641,49cyclictest0-21swapper/212:30:112
164851999641,49cyclictest0-21swapper/210:40:152
1648519996326,32cyclictest0-21swapper/208:05:282
1648519996323,33cyclictest0-21swapper/208:10:292
164851999631,50cyclictest0-21swapper/211:50:112
164851999621,48cyclictest0-21swapper/209:30:112
164851999621,48cyclictest0-21swapper/209:30:112
164851999621,47cyclictest0-21swapper/211:40:122
164851999621,47cyclictest0-21swapper/209:50:142
1648519996123,31cyclictest0-21swapper/209:15:292
164851999611,52cyclictest0-21swapper/211:00:142
164851999611,51cyclictest0-21swapper/210:20:122
164851999611,48cyclictest0-21swapper/210:05:122
164851999611,47cyclictest0-21swapper/207:30:122
1648519996037,19cyclictest0-21swapper/208:00:282
164851999602,48cyclictest1671211-21apt-get09:20:122
164851999601,47cyclictest0-21swapper/212:00:142
1648519995933,21cyclictest0-21swapper/209:30:002
164851999591,49cyclictest0-21swapper/211:30:132
164851999582,48cyclictest1683629-21/usr/sbin/munin10:30:292
164851999582,47cyclictest1700915-21apt-get12:15:162
164851999581,50cyclictest0-21swapper/209:45:132
164851999581,46cyclictest0-21swapper/211:20:122
164851999581,46cyclictest0-21swapper/211:20:122
164851999581,45cyclictest0-21swapper/209:35:152
164851999572,48cyclictest1667193-21/usr/sbin/munin08:55:252
164851999572,47cyclictest1654980-21apt-get07:45:152
164851999572,47cyclictest0-21swapper/208:50:092
164851999571,48cyclictest1695774-21apt-get11:45:122
164851999571,42cyclictest0-21swapper/212:10:142
1648519995618,35cyclictest1648682-21/usr/sbin/munin07:10:112
164851999561,48cyclictest1702667-21/usr/sbin/munin12:25:152
164851999561,48cyclictest1697244-21apt-get11:55:052
164851999561,48cyclictest0-21swapper/208:20:112
164851999561,47cyclictest1682383-21/usr/sbin/munin10:25:212
164851999561,47cyclictest0-21swapper/211:25:132
164851599561,4cyclictest0-21swapper/007:55:100
164851999551,47cyclictest0-21swapper/209:00:112
164851999551,46cyclictest1662005-21/usr/sbin/munin08:25:232
164851999551,46cyclictest1656716-21/usr/sbin/munin07:55:172
164851999551,45cyclictest0-21swapper/212:20:142
164851999551,39cyclictest1679422-21kworker/u8:1+flush-179:9611:15:042
164851599551,12cyclictest0-21swapper/010:15:010
164851599551,12cyclictest0-21swapper/010:15:010
164851999541,46cyclictest1689166-21/usr/sbin/munin11:05:232
164851999541,46cyclictest1689166-21/usr/sbin/munin11:05:232
164851999541,46cyclictest1685614-21/usr/sbin/munin10:45:172
164851999541,45cyclictest1677160-21/usr/sbin/munin09:55:172
164851999541,45cyclictest1669633-21/usr/sbin/munin09:10:212
164851999533,42cyclictest1655820-21apt-get07:50:142
164851999532,44cyclictest1651901-21/usr/sbin/munin07:25:252
164851999531,45cyclictest1680987-21/usr/sbin/munin10:15:292
164851999531,45cyclictest1675192-21/usr/sbin/munin09:40:292
164851999531,44cyclictest1660294-21/usr/sbin/munin08:15:222
164851999522,42cyclictest1649806-21/usr/sbin/munin07:15:312
164851999521,47cyclictest0-21swapper/212:35:092
164851999521,44cyclictest1689814-21/usr/sbin/munin11:10:162
1648515995233,15cyclictest131ktimers/007:45:140
164851999511,44cyclictest1665806-21/usr/sbin/munin08:45:302
1648518994935,10cyclictest14-21rcu_preempt07:50:131
1648515994842,3cyclictest14-21rcu_preempt10:15:130
1648515994639,4cyclictest167350irq/118-8000000.ethernet-tx008:45:210
1648515994629,10cyclictest0-21swapper/009:50:290
1648515994625,18cyclictest1699723-21awk12:05:280
164851999452,34cyclictest1648665-21latency_hist07:10:012
164851899454,20cyclictest1648510-21cyclictest10:20:011
1648515994537,5cyclictest20850irq/208-8000000.ethernet11:25:290
164851599451,38cyclictest0-21swapper/008:05:000
1648518994428,11cyclictest231ktimers/109:45:131
1648515994437,4cyclictest167350irq/118-8000000.ethernet-tx008:05:240
164851599441,38cyclictest1670989-21latency_hist09:20:010
164851899432,9cyclictest0-21swapper/109:40:011
1648518994321,11cyclictest231ktimers/108:00:121
1648515994336,4cyclictest20850irq/208-8000000.ethernet11:15:010
1648515994334,6cyclictest1686455-21ssh10:50:150
1648515994328,9cyclictest0-21swapper/007:35:010
164851599431,4cyclictest0-21swapper/007:30:010
1648515994233,6cyclictest1700655-21unixbench_singl12:10:300
164851599421,5cyclictest1668879-21memory09:05:260
164851599421,5cyclictest1668879-21memory09:05:260
164851599421,4cyclictest1685671-21tune2fs10:45:200
1648515994135,3cyclictest0-21swapper/010:35:230
1648515994133,4cyclictest167350irq/118-8000000.ethernet-tx008:25:290
164851599411,37cyclictest0-21swapper/010:20:230
1648518994026,8cyclictest0-21swapper/110:05:291
1648515994035,3cyclictest1666678-21apt08:55:000
1648515994034,3cyclictest167350irq/118-8000000.ethernet-tx009:55:290
1648515994033,4cyclictest0-21swapper/009:20:240
1648515994023,14cyclictest0-21swapper/011:30:000
164851599401,37cyclictest0-21swapper/009:45:200
1648518993929,7cyclictest1690695-21/usr/sbin/munin11:15:181
1648518993924,10cyclictest0-21swapper/107:10:261
164851899391,9cyclictest0-21swapper/111:00:021
1648515993932,4cyclictest167350irq/118-8000000.ethernet-tx009:40:170
164851599391,5cyclictest1702409-21latency_hist12:25:010
164851599391,3cyclictest1703493-21grep12:30:140
164851599391,3cyclictest1697244-21apt-get11:55:030
164851599391,3cyclictest1650671-21apt-get07:20:100
164851599391,36cyclictest0-21swapper/011:40:190
164851599391,2cyclictest0-21swapper/010:25:150
1648518993829,5cyclictest0-21swapper/111:25:211
1648518993829,4cyclictest0-21swapper/110:25:271
1648518993825,7cyclictest0-21swapper/109:45:001
1648518993823,10cyclictest0-21swapper/111:50:201
1648515993833,2cyclictest0-21swapper/010:55:200
1648515993832,4cyclictest0-21swapper/011:45:120
1648515993830,5cyclictest1699178-21latency_hist12:05:010
164851599381,3cyclictest1660161-21lsblk08:15:210
164851599381,3cyclictest0-21swapper/007:35:230
164851599381,35cyclictest0-21swapper/012:15:120
164851599381,35cyclictest0-21swapper/010:00:150
164851599381,35cyclictest0-21swapper/009:00:150
164851599381,35cyclictest0-21swapper/007:10:120
1648518993728,4cyclictest0-21swapper/107:30:261
1648518993723,8cyclictest0-21swapper/107:35:301
1648518993723,6cyclictest0-21swapper/110:00:271
164851599373,4cyclictest1-21systemd07:44:100
1648515993732,3cyclictest0-21swapper/008:10:200
1648515993722,13cyclictest0-21swapper/010:30:220
1648515993720,15cyclictest0-21swapper/010:40:150
164851599371,34cyclictest0-21swapper/010:05:120
164851599371,34cyclictest0-21swapper/008:55:220
164851599371,34cyclictest0-21swapper/008:40:270
1648518993628,5cyclictest167450irq/126-8000000.ethernet-tx111:20:121
1648518993628,5cyclictest167450irq/126-8000000.ethernet-tx111:20:111
1648518993628,5cyclictest1651302-21cron07:25:001
1648518993627,5cyclictest0-21swapper/109:20:011
1648518993626,7cyclictest0-21swapper/109:55:001
164851599363,30cyclictest1669569-21fschecks_time09:10:190
164851599361,3cyclictest1672052-21apt-get09:25:120
164851599361,3cyclictest0-21swapper/007:50:170
164851599361,33cyclictest0-21swapper/011:20:140
164851599361,33cyclictest0-21swapper/011:20:140
164851599361,33cyclictest0-21swapper/011:05:390
164851599361,33cyclictest0-21swapper/011:05:390
1648518993527,4cyclictest0-21swapper/110:45:201
1648518993526,6cyclictest1660986-21/usr/sbin/munin08:20:181
1648518993526,6cyclictest0-21swapper/109:10:001
1648518993526,6cyclictest0-21swapper/109:10:001
1648518993524,7cyclictest0-21swapper/109:00:011
1648518993523,8cyclictest0-21swapper/110:20:181
1648518993523,7cyclictest0-21swapper/110:55:291
164851899351,28cyclictest0-21swapper/112:00:201
1648515993529,4cyclictest20850irq/208-8000000.ethernet07:15:160
164851599351,3cyclictest0-21swapper/009:36:100
164851599351,32cyclictest0-21swapper/012:35:030
164851599351,32cyclictest0-21swapper/011:53:230
164851599351,32cyclictest0-21swapper/008:35:560
164851599351,32cyclictest0-21swapper/008:34:470
1648518993423,8cyclictest0-21swapper/110:35:251
164851899341,2cyclictest0-21swapper/112:15:021
164851899341,27cyclictest1672049-21/usr/sbin/munin09:25:271
164851899341,26cyclictest0-21swapper/109:00:111
1648515993429,3cyclictest0-21swapper/009:34:330
1648515993429,3cyclictest0-21swapper/009:34:330
1648515993428,4cyclictest20850irq/208-8000000.ethernet11:00:250
1648515993419,3cyclictest1234140-1kworker/0:0H+mmc_complete11:20:010
1648518993327,4cyclictest167450irq/126-8000000.ethernet-tx107:18:291
164851899332,6cyclictest1703524-21diskstats12:30:171
1648518993323,8cyclictest0-21swapper/110:35:001
1648518993323,7cyclictest0-21swapper/108:55:001
1648518993322,8cyclictest1704906-21grep12:35:261
1648518993322,7cyclictest0-21swapper/109:30:271
1648518993322,7cyclictest0-21swapper/109:30:271
1648518993322,6cyclictest0-21swapper/109:25:011
1648518993224,5cyclictest0-21swapper/111:05:291
1648518993224,5cyclictest0-21swapper/111:05:291
1648518993224,4cyclictest0-21swapper/107:45:181
164851899322,25cyclictest231ktimers/110:44:101
1648518993214,10cyclictest0-21swapper/111:30:191
1648515993222,7cyclictest0-21swapper/012:25:280
1648518993122,5cyclictest0-21swapper/108:30:291
1648518993122,5cyclictest0-21swapper/108:10:291
1648518993122,4cyclictest0-21swapper/109:10:261
1648518993120,5cyclictest0-21swapper/112:20:251
1648518993119,5cyclictest0-21swapper/107:40:111
1648518993024,4cyclictest167450irq/126-8000000.ethernet-tx110:50:261
1648518993022,5cyclictest0-21swapper/108:40:181
1648518993022,4cyclictest0-21swapper/111:45:281
1648518993021,4cyclictest0-21swapper/112:25:261
164851899292,3cyclictest0-21swapper/112:00:011
1648518992922,4cyclictest0-21swapper/108:45:221
1648518992922,4cyclictest0-21swapper/108:15:201
1648518992920,5cyclictest1701502-21grep12:15:291
1648518992919,5cyclictest0-21swapper/112:05:211
164851899289,16cyclictest167450irq/126-8000000.ethernet-tx108:37:091
1648518992821,5cyclictest1694930-21/usr/sbin/munin11:40:211
1648518992821,3cyclictest0-21swapper/108:00:011
1648518992820,5cyclictest0-21swapper/111:10:281
164851899281,3cyclictest0-21swapper/108:05:101
1648518992721,3cyclictest47-21kauditd09:59:591
1648518992720,4cyclictest0-21swapper/111:35:271
164851899271,24cyclictest0-21swapper/107:29:091
1648518992619,4cyclictest0-21swapper/108:25:101
1648518992517,4cyclictest0-21swapper/107:10:001
164851599251,2cyclictest0-21swapper/007:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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