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2026-07-10 - 06:25

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 Fri Jul 10, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2346377997129,36cyclictest0-21swapper/222:35:272
2346377997030,34cyclictest0-21swapper/222:05:002
2346377996828,34cyclictest0-21swapper/200:35:302
2346377996715,17cyclictest0-21swapper/200:35:012
2346377996715,17cyclictest0-21swapper/200:35:012
2346373996712,41cyclictest12-21ksoftirqd/000:30:010
2346377996626,6cyclictest0-21swapper/220:55:282
2346377996626,6cyclictest0-21swapper/220:55:282
2346377996327,7cyclictest0-21swapper/219:20:272
234637699613,3cyclictest0-21swapper/123:05:021
2346376996056,2cyclictest0-21swapper/100:30:011
234637399561,50cyclictest0-21swapper/020:40:110
234637399561,4cyclictest0-21swapper/020:25:170
234637799534,35cyclictest1660-21snmpd23:30:182
234637399539,16cyclictest0-21swapper/023:00:010
234637399534,46cyclictest0-21swapper/023:25:290
2346373995339,8cyclictest2374224-21lsblk21:50:200
2346376995243,5cyclictest2348422-21apt-key19:20:011
234637399523,8cyclictest2348306-21munin-run19:20:010
2346377995143,5cyclictest2371275-21apt-get21:35:012
2346373995141,5cyclictest20650irq/252-8000000.ethernet00:15:290
2346373995134,13cyclictest131ktimers/019:55:110
2346373995044,4cyclictest0-21swapper/022:20:140
2346373995043,4cyclictest0-21swapper/023:45:160
2346373994928,16cyclictest131ktimers/023:30:110
2346377994837,5cyclictest2361029-21grep20:30:282
2346373994840,4cyclictest20850irq/208-8000000.ethernet23:00:270
2346373994840,4cyclictest167350irq/118-8000000.ethernet-tx022:25:190
2346373994840,4cyclictest167350irq/118-8000000.ethernet-tx022:25:180
234637399481,42cyclictest0-21swapper/023:50:200
234637399481,42cyclictest0-21swapper/023:50:190
2346377994737,7cyclictest2395268-21munin-plugin-st23:55:002
2346377994737,7cyclictest2395268-21munin-plugin-st23:55:002
2346377994733,10cyclictest0-21swapper/223:20:282
2346376994735,8cyclictest0-21swapper/120:10:001
2346373994739,6cyclictest2350931-21munin-plugin-st19:35:000
2346373994739,4cyclictest167350irq/118-8000000.ethernet-tx021:00:170
2346373994736,7cyclictest0-21swapper/000:00:330
2346373994638,4cyclictest167350irq/118-8000000.ethernet-tx023:40:270
2346373994634,9cyclictest0-21swapper/021:45:300
234637399461,42cyclictest0-21swapper/019:20:110
2346376994538,4cyclictest2357770-21munin-plugin-st20:14:591
2346376994528,10cyclictest0-21swapper/122:30:321
2346373994529,12cyclictest0-21swapper/023:15:340
234637399452,6cyclictest2364995-21uname20:55:220
234637399452,6cyclictest2364995-21uname20:55:220
2346373994515,21cyclictest15-21rcuc/021:30:020
2346377994421,15cyclictest0-21swapper/220:00:002
2346376994436,5cyclictest2356094-21munin-plugin-st20:04:591
2346376994432,7cyclictest2376377-21grep22:00:331
2346376994431,8cyclictest0-21swapper/121:10:281
2346376994429,11cyclictest0-21swapper/119:15:021
2346373994437,3cyclictest0-21swapper/019:25:250
2346373994435,7cyclictest2363587-21unixbench_multi20:45:280
234637399443,38cyclictest0-21swapper/020:15:120
234637399443,38cyclictest0-21swapper/020:15:120
2346373994428,14cyclictest0-21swapper/020:05:200
234637399441,6cyclictest15-21rcuc/021:35:010
2346376994331,8cyclictest0-21swapper/123:20:281
2346373994339,2cyclictest0-21swapper/021:25:010
2346373994335,4cyclictest167350irq/118-8000000.ethernet-tx022:30:180
2346373994334,6cyclictest20850irq/208-8000000.ethernet22:45:010
2346373994327,10cyclictest0-21swapper/022:50:200
234637399431,40cyclictest0-21swapper/000:20:280
234637799426,21cyclictest2396322-21/usr/sbin/munin00:00:212
2346376994232,5cyclictest0-21swapper/121:35:001
2346376994230,9cyclictest0-21swapper/122:30:011
2346376994230,9cyclictest0-21swapper/122:30:011
2346376994230,8cyclictest0-21swapper/123:50:311
2346376994230,8cyclictest0-21swapper/123:50:311
2346376994228,9cyclictest2365352-21cron21:00:001
2346376994228,9cyclictest2365352-21cron21:00:001
2346376994227,11cyclictest0-21swapper/119:55:181
2346376994225,8cyclictest0-21swapper/122:55:311
234637399427,28cyclictest0-21swapper/019:10:010
234637399425,31cyclictest2347173-21latency_hist19:15:020
2346373994234,4cyclictest2372414-21latency_hist21:40:010
2346373994231,6cyclictest0-21swapper/021:05:220
234637399422,4cyclictest2361120-21users20:30:300
234637399422,10cyclictest2361867-21grep20:35:280
234637799413,20cyclictest2367253-21/usr/sbin/munin21:10:172
2346377994130,7cyclictest0-21swapper/223:55:312
2346376994131,6cyclictest2389294-21grep23:15:341
2346376994131,5cyclictest0-21swapper/123:39:591
2346376994128,8cyclictest0-21swapper/123:30:201
2346376994126,10cyclictest0-21swapper/120:25:211
2346373994135,4cyclictest2402040-21munin-plugin-st00:35:000
2346373994135,4cyclictest2402040-21munin-plugin-st00:34:590
2346373994131,5cyclictest0-21swapper/019:40:280
2346373994126,10cyclictest0-21swapper/022:00:320
234637399412,5cyclictest0-21swapper/022:05:260
2346377994027,7cyclictest1660-21snmpd22:35:012
2346377994025,10cyclictest0-21swapper/222:50:172
2346376994033,3cyclictest2363567-21unixbench_multi20:45:271
2346376994028,8cyclictest0-21swapper/122:45:321
2346376994028,8cyclictest0-21swapper/121:50:321
2346376994028,7cyclictest0-21swapper/100:00:231
2346376994024,11cyclictest0-21swapper/100:15:001
234637699401,5cyclictest0-21swapper/100:35:021
234637399403,35cyclictest0-21swapper/022:50:010
2346373994033,4cyclictest20650irq/252-8000000.ethernet20:20:280
2346373994026,11cyclictest0-21swapper/020:15:010
2346373994025,11cyclictest0-21swapper/019:50:010
2346373994025,11cyclictest0-21swapper/019:50:010
234637399402,4cyclictest0-21swapper/000:00:000
234637399401,37cyclictest0-21swapper/000:35:240
2346377993925,7cyclictest0-21swapper/219:15:282
2346377993924,9cyclictest0-21swapper/200:15:212
2346377993924,8cyclictest0-21swapper/221:35:292
234637799391,10cyclictest0-21swapper/220:15:012
2346376993928,7cyclictest0-21swapper/121:40:301
2346376993928,7cyclictest0-21swapper/121:40:301
2346376993926,9cyclictest0-21swapper/100:15:201
2346373993922,13cyclictest131ktimers/019:50:120
234637399391,36cyclictest0-21swapper/023:20:210
2346377993827,7cyclictest0-21swapper/223:25:282
2346377993823,9cyclictest0-21swapper/222:25:002
234637699382,7cyclictest0-21swapper/120:20:011
234637699382,7cyclictest0-21swapper/120:20:011
2346376993827,7cyclictest0-21swapper/122:15:341
2346376993827,7cyclictest0-21swapper/122:15:331
2346376993826,7cyclictest0-21swapper/119:45:291
2346376993826,7cyclictest0-21swapper/119:45:291
2346376993826,7cyclictest0-21swapper/119:20:281
2346376993825,9cyclictest0-21swapper/121:00:291
2346373993832,4cyclictest167350irq/118-8000000.ethernet-tx021:15:200
2346373993831,4cyclictest0-21swapper/021:10:240
2346373993829,4cyclictest0-21swapper/022:10:250
234637399381,5cyclictest2375267-21tail21:55:270
234637399381,5cyclictest0-21swapper/023:35:250
234637399381,4cyclictest0-21swapper/022:35:120
234637399381,35cyclictest0-21swapper/020:00:260
2346377993730,4cyclictest167550irq/134-8000000.ethernet-tx219:30:232
2346377993723,9cyclictest0-21swapper/222:25:312
2346377993723,9cyclictest0-21swapper/222:25:312
2346376993731,4cyclictest2400336-21cron00:25:011
2346376993727,7cyclictest0-21swapper/121:35:291
2346376993727,5cyclictest0-21swapper/120:20:281
2346376993725,8cyclictest0-21swapper/121:20:301
2346376993724,9cyclictest0-21swapper/122:50:281
2346376993722,11cyclictest0-21swapper/122:10:271
2346376993721,10cyclictest0-21swapper/121:55:271
2346373993731,4cyclictest20850irq/208-8000000.ethernet23:05:210
2346373993731,4cyclictest20850irq/208-8000000.ethernet19:35:270
2346373993731,4cyclictest20850irq/208-8000000.ethernet19:35:270
234637399371,3cyclictest0-21swapper/022:20:010
234637399371,3cyclictest0-21swapper/022:20:010
234637399371,33cyclictest1660-21snmpd00:10:250
2346377993629,5cyclictest2384300-21munin-plugin-st22:50:002
2346377993627,5cyclictest0-21swapper/222:55:242
2346377993626,7cyclictest0-21swapper/223:00:302
2346377993626,7cyclictest0-21swapper/220:05:292
2346377993626,7cyclictest0-21swapper/220:00:292
2346377993626,6cyclictest0-21swapper/223:10:282
2346377993624,8cyclictest0-21swapper/222:05:302
2346376993627,6cyclictest2394338-21grep23:45:301
2346376993627,6cyclictest0-21swapper/121:15:381
2346376993626,7cyclictest0-21swapper/122:05:301
2346376993625,7cyclictest0-21swapper/119:40:291
2346376993624,9cyclictest0-21swapper/100:30:311
2346376993624,9cyclictest0-21swapper/100:30:311
234637399361,4cyclictest0-21swapper/020:50:160
2346377993525,6cyclictest0-21swapper/220:50:292
2346377993523,8cyclictest0-21swapper/223:40:282
2346377993523,8cyclictest0-21swapper/223:15:342
2346377993523,8cyclictest0-21swapper/221:05:302
2346377993521,10cyclictest0-21swapper/221:00:202
234637799351,32cyclictest2362202-21/usr/sbin/munin20:40:242
2346376993527,4cyclictest0-21swapper/123:10:191
2346376993526,5cyclictest2351709-21grep19:35:291
2346376993526,5cyclictest2351709-21grep19:35:281
2346376993524,8cyclictest0-21swapper/120:30:291
2346376993524,7cyclictest0-21swapper/120:50:281
2346376993523,8cyclictest0-21swapper/120:35:281
2346376993521,8cyclictest0-21swapper/121:05:301
2346376993521,10cyclictest0-21swapper/120:40:191
234637399352,28cyclictest2388319-21find23:10:270
234637399351,32cyclictest0-21swapper/000:05:190
2346377993426,4cyclictest0-21swapper/200:05:302
2346376993430,2cyclictest0-21swapper/121:30:011
2346376993424,6cyclictest0-21swapper/123:40:291
2346373993427,4cyclictest20850irq/208-8000000.ethernet21:45:000
2346373993427,4cyclictest20850irq/208-8000000.ethernet21:45:000
2346377993324,5cyclictest0-21swapper/219:10:262
2346377993322,7cyclictest2398579-21grep00:10:302
2346376993327,4cyclictest167450irq/126-8000000.ethernet-tx119:50:221
2346376993323,7cyclictest2397751-21grep00:05:311
2346376993320,7cyclictest2373409-21grep21:45:201
2346377993224,4cyclictest0-21swapper/222:15:212
2346377993224,4cyclictest0-21swapper/222:15:212
2346377993223,6cyclictest0-21swapper/219:50:272
2346377993220,8cyclictest311ktimers/223:05:132
2346376993224,4cyclictest0-21swapper/122:40:001
2346376993223,5cyclictest0-21swapper/122:45:021
2346377993124,4cyclictest2351770-21sendmail19:40:012
2346377993124,4cyclictest2351770-21sendmail19:40:012
2346377993119,9cyclictest0-21swapper/220:25:292
234637799311,28cyclictest0-21swapper/221:20:162
234637799311,27cyclictest2372421-21/usr/sbin/munin21:40:322
234637799311,27cyclictest2372421-21/usr/sbin/munin21:40:322
234637799311,25cyclictest0-21swapper/222:40:292
234637699311,2cyclictest0-21swapper/119:25:191
2346377993021,5cyclictest0-21swapper/223:45:302
2346377993020,7cyclictest0-21swapper/221:25:332
2346377993020,5cyclictest0-21swapper/221:45:202
2346377993017,9cyclictest0-21swapper/219:40:292
2346376993017,8cyclictest0-21swapper/119:30:181
234637699301,26cyclictest2379728-21mailstats22:20:301
2346377992921,5cyclictest2346370-21cyclictest21:50:222
2346377992921,5cyclictest14-21rcu_preempt19:25:162
2346377992920,6cyclictest0-21swapper/220:20:282
2346377992920,5cyclictest0-21swapper/219:50:012
2346377992920,5cyclictest0-21swapper/219:50:002
2346377992916,9cyclictest2399767-21dropbear00:20:182
234637799291,26cyclictest0-21swapper/223:35:182
2346376992920,6cyclictest0-21swapper/123:25:291
2346376992918,8cyclictest0-21swapper/123:00:211
2346377992818,7cyclictest0-21swapper/222:10:252
234637799281,25cyclictest0-21swapper/221:15:202
2346377992717,7cyclictest0-21swapper/200:25:322
2346377992715,8cyclictest0-21swapper/221:55:262
234637799271,24cyclictest0-21swapper/220:45:222
234637799271,24cyclictest0-21swapper/220:17:292
234637799271,24cyclictest0-21swapper/220:17:292
2346376992719,4cyclictest0-21swapper/123:55:301
2346377992619,4cyclictest0-21swapper/220:35:162
2346377992015,3cyclictest2346430-21latency_hist19:10:012
2346376991813,3cyclictest2346337-21latency_hist19:10:011
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