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2025-12-31 - 19:24

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 31, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161877999126122,2cyclictest0-21swapper/009:50:010
1618780999376,14cyclictest231ktimers/110:40:011
161878399794,50cyclictest32-21ksoftirqd/208:05:022
161878399765,44cyclictest0-21swapper/208:15:012
1618779997640,31cyclictest0-21swapper/011:20:000
161877999648,19cyclictest20850irq/208-8000000.ethernet10:10:000
1618783996016,15cyclictest30-21rcuc/212:25:012
161878099601,23cyclictest22-21rcuc/108:20:021
1618783995723,18cyclictest30-21rcuc/208:00:012
161878399571,21cyclictest0-21swapper/207:20:022
1618783995510,23cyclictest30-21rcuc/212:15:012
1618783995413,16cyclictest311ktimers/207:35:012
161878399539,11cyclictest14-21rcu_preempt10:40:012
161878099512,26cyclictest22-21rcuc/112:25:001
161877999512,4cyclictest0-21swapper/008:25:010
161877999511,13cyclictest0-21swapper/011:45:010
161877999511,13cyclictest0-21swapper/011:45:010
1618780995032,10cyclictest0-21swapper/111:05:011
1618780995027,15cyclictest231ktimers/107:45:101
161877999504,27cyclictest15-21rcuc/007:55:010
1618779995037,9cyclictest131ktimers/008:00:290
1618779994940,5cyclictest167350irq/118-8000000.ethernet-tx009:40:170
1618783994836,7cyclictest1648624-21grep10:00:292
1618780994828,13cyclictest231ktimers/111:10:141
1618780994824,17cyclictest231ktimers/107:10:151
1618779994843,2cyclictest0-21swapper/010:50:010
1618783994731,12cyclictest0-21swapper/211:10:012
161878399472,36cyclictest1653632-21sshd10:30:292
161878399472,36cyclictest1653632-21sshd10:30:292
1618780994732,10cyclictest0-21swapper/108:45:211
1618779994740,4cyclictest167350irq/118-8000000.ethernet-tx008:15:240
1618779994730,14cyclictest167350irq/118-8000000.ethernet-tx011:05:030
161877999472,5cyclictest1665098-21latency_hist11:40:000
161877999472,41cyclictest1621875-21fschecks_count07:25:190
1618783994629,12cyclictest0-21swapper/211:55:302
1618783994629,12cyclictest0-21swapper/211:55:302
1618780994625,16cyclictest231ktimers/108:55:161
1618779994639,4cyclictest167350irq/118-8000000.ethernet-tx008:45:230
1618779994639,3cyclictest167350irq/118-8000000.ethernet-tx010:35:140
1618779994638,4cyclictest167350irq/118-8000000.ethernet-tx007:35:010
1618779994635,7cyclictest1663162-21ptp4l11:25:290
161878099456,18cyclictest22-21rcuc/108:05:011
1618780994529,12cyclictest231ktimers/109:10:151
1618779994538,4cyclictest167350irq/118-8000000.ethernet-tx011:10:270
1618779994532,11cyclictest131ktimers/010:40:030
161877999451,41cyclictest1666191-21df11:45:170
1618780994426,13cyclictest231ktimers/112:15:121
1618779994437,3cyclictest0-21swapper/010:30:150
1618779994437,3cyclictest0-21swapper/010:30:150
1618779994436,5cyclictest0-21swapper/008:05:290
161877999442,5cyclictest1620998-21diskstats07:20:180
161877999441,3cyclictest0-21swapper/009:50:270
1618783994332,7cyclictest1640186-21head09:10:312
1618780994331,9cyclictest1675390-21munin-plugin-st12:40:001
1618780994329,9cyclictest0-21swapper/112:00:271
1618779994336,4cyclictest0-21swapper/011:00:200
1618779994326,13cyclictest1644456-21munin-plugin-st09:40:000
1618779994325,14cyclictest131ktimers/007:55:110
1618783994229,5cyclictest0-21swapper/211:10:302
1618783994228,6cyclictest0-21swapper/208:40:282
1618783994227,9cyclictest0-21swapper/210:50:012
1618780994233,5cyclictest1622292-21grep07:25:291
1618780994230,6cyclictest1648681-21cron10:05:001
1618780994228,8cyclictest1670998-21grep12:10:301
161877999423,5cyclictest1670149-21apt-get12:10:010
1618779994234,5cyclictest167350irq/118-8000000.ethernet-tx012:15:020
1618779994233,5cyclictest0-21swapper/007:20:010
1618779994227,13cyclictest167350irq/118-8000000.ethernet-tx009:30:140
1618783994131,7cyclictest311ktimers/208:45:292
1618783994131,6cyclictest311ktimers/210:15:192
1618783994129,7cyclictest311ktimers/211:45:292
1618783994125,8cyclictest0-21swapper/211:35:282
1618783994123,13cyclictest0-21swapper/212:40:012
161878399412,25cyclictest32-21ksoftirqd/210:55:012
161878399412,25cyclictest32-21ksoftirqd/210:55:012
1618780994131,6cyclictest1636783-21grep08:50:271
1618780994131,5cyclictest0-21swapper/111:40:291
1618780994131,5cyclictest0-21swapper/111:40:291
1618780994123,13cyclictest231ktimers/109:15:151
1618780994121,13cyclictest231ktimers/111:20:151
1618779994129,7cyclictest131ktimers/009:20:280
1618779994115,23cyclictest1648163-21grep10:00:200
161877999411,38cyclictest0-21swapper/007:35:190
161877999411,2cyclictest0-21swapper/010:15:010
1618783994026,8cyclictest0-21swapper/211:05:012
1618783994024,8cyclictest311ktimers/208:20:202
1618783994019,10cyclictest311ktimers/211:50:162
161878099403,18cyclictest24-21ksoftirqd/110:20:011
1618780994027,9cyclictest0-21swapper/109:30:301
1618780994021,14cyclictest231ktimers/107:20:121
1618779994033,4cyclictest1633855-21fschecks_time08:35:210
1618779994033,4cyclictest0-21swapper/012:20:180
1618779994025,10cyclictest0-21swapper/012:30:260
1618779994025,10cyclictest0-21swapper/012:30:260
161877999401,37cyclictest0-21swapper/008:55:240
161877999401,37cyclictest0-21swapper/008:50:240
161877999401,36cyclictest0-21swapper/012:00:100
161877999401,34cyclictest0-21swapper/009:10:010
1618783993921,9cyclictest311ktimers/209:20:122
161878099394,30cyclictest24-21ksoftirqd/109:30:011
1618780993930,3cyclictest0-21swapper/110:25:291
1618780993926,8cyclictest0-21swapper/109:20:281
1618780993923,10cyclictest0-21swapper/110:55:001
1618780993923,10cyclictest0-21swapper/110:55:001
1618780993918,14cyclictest231ktimers/110:45:131
161878099391,4cyclictest0-21swapper/108:00:011
1618779993932,4cyclictest167350irq/118-8000000.ethernet-tx011:55:190
1618779993932,4cyclictest167350irq/118-8000000.ethernet-tx011:55:190
1618779993930,5cyclictest131ktimers/009:25:290
1618779993930,5cyclictest0-21swapper/010:50:290
1618779993930,5cyclictest0-21swapper/010:50:290
1618779993929,4cyclictest131ktimers/008:10:270
161877999391,4cyclictest1619243-21meminfo07:10:240
161877999391,36cyclictest0-21swapper/011:20:190
161877999391,36cyclictest0-21swapper/009:15:260
161877999391,36cyclictest0-21swapper/007:40:170
1618783993821,10cyclictest0-21swapper/209:10:012
1618783993819,9cyclictest30-21rcuc/212:30:012
1618783993819,9cyclictest30-21rcuc/212:30:012
1618780993830,5cyclictest0-21swapper/111:35:301
1618780993827,5cyclictest0-21swapper/107:15:041
1618780993826,7cyclictest1674314-21grep12:30:271
1618780993826,7cyclictest1674314-21grep12:30:271
1618780993823,11cyclictest231ktimers/111:25:171
1618780993820,11cyclictest231ktimers/111:30:141
161878099381,3cyclictest0-21swapper/108:30:011
1618779993831,4cyclictest0-21swapper/012:25:140
1618779993826,5cyclictest131ktimers/011:30:310
161877999382,34cyclictest0-21swapper/008:40:120
161877999381,3cyclictest1652333-21/usr/sbin/munin10:25:190
161877999381,35cyclictest0-21swapper/012:35:300
161877999381,35cyclictest0-21swapper/010:20:180
1618783993728,4cyclictest0-21swapper/209:45:282
1618783993728,4cyclictest0-21swapper/208:30:292
1618783993727,3cyclictest0-21swapper/207:10:012
161878399371,30cyclictest1671367-21/usr/sbin/munin12:15:232
1618780993728,6cyclictest0-21swapper/108:05:291
1618780993727,6cyclictest1646897-21grep09:50:281
161878099371,31cyclictest0-21swapper/108:15:001
1618779993730,4cyclictest0-21swapper/009:00:140
161877999371,4cyclictest0-21swapper/007:45:120
161877999371,32cyclictest1640185-21unixbench_singl09:10:310
1618783993627,6cyclictest311ktimers/211:20:172
1618783993627,5cyclictest311ktimers/210:40:292
1618783993625,6cyclictest0-21swapper/208:05:012
1618783993622,11cyclictest311ktimers/207:15:182
1618783993617,8cyclictest1670316-21rm12:10:012
161878099363,29cyclictest24-21ksoftirqd/109:55:011
1618780993626,7cyclictest0-21swapper/108:40:011
1618780993626,5cyclictest0-21swapper/107:40:271
1618780993623,8cyclictest0-21swapper/108:30:201
1618780993618,10cyclictest231ktimers/107:30:161
161878099361,3cyclictest0-21swapper/110:25:011
1618779993632,2cyclictest0-21swapper/008:25:200
161877999361,3cyclictest0-21swapper/012:17:290
161877999361,31cyclictest0-21swapper/010:55:140
161877999361,2cyclictest0-21swapper/008:30:120
1618783993528,4cyclictest311ktimers/207:40:262
1618783993527,6cyclictest311ktimers/210:20:282
1618783993527,6cyclictest311ktimers/210:10:142
1618783993526,5cyclictest311ktimers/210:55:262
1618783993526,5cyclictest0-21swapper/209:55:302
1618783993525,7cyclictest311ktimers/210:05:112
1618783993525,7cyclictest311ktimers/208:15:292
1618783993525,7cyclictest311ktimers/207:50:132
161878399351,16cyclictest1619752-21df07:15:012
1618780993526,6cyclictest0-21swapper/111:45:281
161878099351,28cyclictest0-21swapper/111:17:291
1618783993427,3cyclictest0-21swapper/210:25:282
1618783993425,6cyclictest311ktimers/211:30:242
1618783993425,6cyclictest311ktimers/209:25:272
1618783993424,7cyclictest311ktimers/209:35:152
1618783993423,7cyclictest30-21rcuc/209:55:002
1618783993419,9cyclictest311ktimers/209:40:202
1618783993412,7cyclictest1625143-21/usr/sbin/munin07:45:162
1618780993421,7cyclictest1658026-21grep10:55:311
1618780993415,14cyclictest231ktimers/110:40:141
1618779993429,3cyclictest0-21swapper/009:55:070
1618783993326,3cyclictest0-21swapper/212:00:252
1618783993323,6cyclictest0-21swapper/208:55:312
1618783993322,8cyclictest0-21swapper/209:00:302
1618780993323,7cyclictest1644667-21/usr/sbin/munin09:40:291
1618780993323,7cyclictest1643912-21cut09:35:201
1618780993321,9cyclictest0-21swapper/107:50:291
161878099331,2cyclictest0-21swapper/107:10:001
161878099331,27cyclictest0-21swapper/110:10:251
1618779993328,3cyclictest0-21swapper/011:50:270
161877999331,3cyclictest1651190-21sshd10:18:290
1618783993223,7cyclictest311ktimers/207:35:272
1618783993223,4cyclictest14-21rcu_preempt11:30:022
1618783993222,7cyclictest311ktimers/208:50:132
1618780993223,5cyclictest0-21swapper/111:50:281
1618780993219,7cyclictest0-21swapper/109:45:191
161878099321,25cyclictest0-21swapper/110:30:241
161878099321,25cyclictest0-21swapper/110:30:241
1618783993123,4cyclictest0-21swapper/211:15:252
1618783993121,6cyclictest30-21rcuc/208:35:272
1618780993122,5cyclictest0-21swapper/111:05:291
1618780993121,6cyclictest0-21swapper/110:05:271
161877999311,2cyclictest0-21swapper/007:10:010
1618783993025,3cyclictest14-21rcu_preempt08:25:292
1618783993021,6cyclictest311ktimers/211:40:292
1618783993021,6cyclictest311ktimers/211:40:292
1618783993019,6cyclictest0-21swapper/212:20:252
1618780993014,11cyclictest0-21swapper/112:05:251
161878099301,3cyclictest0-21swapper/112:30:011
1618783992921,5cyclictest311ktimers/209:20:012
1618783992919,7cyclictest311ktimers/209:30:162
1618780992921,6cyclictest0-21swapper/109:05:011
1618780992916,8cyclictest0-21swapper/107:35:281
161878099291,2cyclictest0-21swapper/108:45:011
161878399285,20cyclictest0-21swapper/207:26:222
161878099281,2cyclictest0-21swapper/109:10:001
161878099273,21cyclictest0-21swapper/108:15:201
1618780992717,6cyclictest1668339-21grep11:55:301
1618780992717,6cyclictest1668339-21grep11:55:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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