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2025-12-29 - 08:27

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 Mon Dec 29, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3589248997231,34cyclictest0-21swapper/120:00:281
3589246996558,5cyclictest131ktimers/021:50:000
3589246996142,14cyclictest3608252-21munin-plugin-st21:00:000
3589246996052,5cyclictest131ktimers/000:05:010
3589246995954,3cyclictest3606768-21/usr/sbin/munin20:50:180
3589246995954,3cyclictest3606768-21/usr/sbin/munin20:50:180
3589246995953,3cyclictest0-21swapper/019:25:110
358924699576,48cyclictest0-21swapper/019:35:230
3589246995637,15cyclictest167350irq/118-8000000.ethernet-tx022:35:240
3589246995416,17cyclictest0-21swapper/019:15:010
3589246995342,6cyclictest20650irq/252-8000000.ethernet22:05:270
3589250995244,5cyclictest3643187-21munin-plugin-st00:25:002
3589250995144,5cyclictest0-21swapper/222:50:012
3589250995142,5cyclictest3617577-21grep21:55:012
3589246995144,5cyclictest3599811-21munin-plugin-st20:10:000
3589246995144,5cyclictest3599811-21munin-plugin-st20:10:000
3589246995143,5cyclictest167350irq/118-8000000.ethernet-tx022:00:240
3589246995142,6cyclictest3601501-21munin-plugin-st20:19:590
3589246995133,14cyclictest167350irq/118-8000000.ethernet-tx020:10:270
358924899503,9cyclictest3617712-21gpg-connect-age21:55:011
3589246995039,6cyclictest20850irq/208-8000000.ethernet23:40:220
3589246995039,6cyclictest20850irq/208-8000000.ethernet23:40:220
3589250994942,4cyclictest3638006-21munin-plugin-st23:55:012
3589248994943,3cyclictest3644863-21apt00:35:001
3589248994935,8cyclictest3613248-21grep21:25:301
3589246994943,2cyclictest0-21swapper/021:20:010
3589246994943,2cyclictest0-21swapper/021:20:010
3589246994941,4cyclictest167350irq/118-8000000.ethernet-tx021:55:030
3589246994940,6cyclictest3591201-21grep19:15:290
3589246994938,8cyclictest131ktimers/023:05:130
3589246994932,10cyclictest0-21swapper/020:20:310
3589246994932,10cyclictest0-21swapper/020:20:310
3589250994838,6cyclictest0-21swapper/219:15:022
3589248994839,4cyclictest3616708-21munin-plugin-st21:50:001
3589246994834,9cyclictest0-21swapper/000:10:280
3589246994832,10cyclictest0-21swapper/023:10:300
3589248994734,8cyclictest0-21swapper/123:30:001
3589248994734,8cyclictest0-21swapper/123:30:001
3589248994731,13cyclictest0-21swapper/123:20:001
3589246994732,7cyclictest0-21swapper/000:40:010
3589246994729,15cyclictest167350irq/118-8000000.ethernet-tx019:55:230
3589246994716,18cyclictest3621303-21/usr/sbin/munin22:15:200
358925099452,37cyclictest0-21swapper/223:35:272
358924899451,14cyclictest0-21swapper/120:05:011
358924899451,14cyclictest0-21swapper/120:05:011
3589246994536,5cyclictest0-21swapper/021:00:200
3589246994531,9cyclictest0-21swapper/023:35:280
3589246994529,12cyclictest131ktimers/023:25:140
3589246994529,12cyclictest131ktimers/023:25:130
3589250994436,5cyclictest0-21swapper/219:15:042
3589250994435,6cyclictest3604809-21grep20:35:302
3589250994435,6cyclictest3604809-21grep20:35:292
3589250994429,9cyclictest0-21swapper/222:00:292
3589248994434,5cyclictest3600551-21grep20:10:311
3589248994432,9cyclictest3639707-21munin-plugin-st00:04:591
3589248994431,8cyclictest0-21swapper/121:20:291
3589248994431,8cyclictest0-21swapper/121:20:291
3589246994433,6cyclictest3606669-21latency_hist20:50:010
3589246994432,9cyclictest3597129-21grep19:50:290
3589246994430,9cyclictest3622492-21tail22:20:250
3589246994424,14cyclictest0-21swapper/021:25:280
358924699441,41cyclictest0-21swapper/019:40:150
358924699441,39cyclictest3604602-21wc20:35:270
358924699441,39cyclictest3604602-21wc20:35:270
3589250994335,4cyclictest3638838-21cron00:00:002
3589250994335,4cyclictest3638838-21cron00:00:002
3589250994333,5cyclictest0-21swapper/220:05:012
3589250994327,9cyclictest3628591-21grep22:55:332
3589250994327,9cyclictest3628591-21grep22:55:332
358925099431,34cyclictest3609044-21unixbench_singl21:00:312
3589248994336,4cyclictest3641479-21munin-plugin-st00:15:001
358924699436,32cyclictest0-21swapper/021:05:320
358924699436,32cyclictest0-21swapper/021:05:320
3589246994337,3cyclictest20650irq/252-8000000.ethernet23:15:210
3589246994330,8cyclictest0-21swapper/000:05:280
3589246994329,6cyclictest0-21swapper/023:20:220
3589246994327,10cyclictest3629504-21grep23:00:330
3589246994326,14cyclictest131ktimers/021:10:140
358924699432,5cyclictest3643150-21users00:20:320
3589248994228,8cyclictest0-21swapper/120:15:311
3589246994235,4cyclictest167350irq/118-8000000.ethernet-tx000:30:230
3589246994234,6cyclictest131ktimers/020:30:110
3589246994234,4cyclictest20650irq/252-8000000.ethernet00:25:290
3589246994233,5cyclictest20850irq/208-8000000.ethernet22:40:220
3589246994233,5cyclictest20850irq/208-8000000.ethernet22:40:220
3589246994232,6cyclictest0-21swapper/021:35:240
3589246994232,6cyclictest0-21swapper/021:35:240
3589246994229,7cyclictest3637078-21unixbench_multi23:45:320
3589246994225,12cyclictest131ktimers/021:50:140
358924699422,4cyclictest3593463-21meminfo19:30:240
358924699421,6cyclictest3634598-21users23:30:330
358924699421,34cyclictest3595803-21grep19:45:200
3589250994131,7cyclictest3627768-21grep22:50:262
3589248994131,6cyclictest0-21swapper/122:55:251
3589248994131,6cyclictest0-21swapper/122:55:251
358924699413,5cyclictest3624427-21grep22:30:280
3589246994133,5cyclictest0-21swapper/022:55:330
3589246994133,5cyclictest0-21swapper/022:55:330
358924699411,4cyclictest0-21swapper/022:50:140
3589250994026,9cyclictest0-21swapper/220:30:262
358924899407,27cyclictest3604762-21unixbench_multi20:35:291
358924899407,27cyclictest3604762-21unixbench_multi20:35:291
3589248994032,4cyclictest167450irq/126-8000000.ethernet-tx122:05:001
3589248994026,9cyclictest0-21swapper/119:45:291
3589246994033,4cyclictest167350irq/118-8000000.ethernet-tx023:55:280
3589246994033,4cyclictest167350irq/118-8000000.ethernet-tx023:55:280
3589246994032,5cyclictest20850irq/208-8000000.ethernet21:45:000
358924699401,4cyclictest0-21swapper/019:10:010
358924699401,37cyclictest3642359-21latency_hist00:20:010
358924699401,36cyclictest0-21swapper/021:30:190
3589250993932,5cyclictest3600549-21sshd20:10:312
3589250993931,5cyclictest3624480-21cron22:35:002
3589250993930,4cyclictest0-21swapper/221:25:302
358925099392,3cyclictest3632021-21grep23:15:282
358925099391,4cyclictest3610678-21unixbench_multi21:10:302
3589248993930,4cyclictest0-21swapper/123:40:001
3589248993911,21cyclictest167450irq/126-8000000.ethernet-tx122:50:141
358924699391,5cyclictest0-21swapper/020:00:180
358924699391,36cyclictest0-21swapper/022:45:120
358924699391,2cyclictest0-21swapper/021:20:010
3589250993830,4cyclictest0-21swapper/220:17:002
3589250993828,6cyclictest3632899-21grep23:20:302
3589250993825,8cyclictest0-21swapper/221:05:322
3589250993825,8cyclictest0-21swapper/221:05:322
3589248993827,7cyclictest3609879-21grep21:05:321
3589248993827,7cyclictest3609879-21grep21:05:321
3589248993826,7cyclictest0-21swapper/121:10:301
358924899382,23cyclictest0-21swapper/121:20:011
3589248993822,10cyclictest0-21swapper/123:20:211
3589246993831,4cyclictest3605267-21perl20:40:200
3589246993831,4cyclictest0-21swapper/020:25:160
358924699381,35cyclictest0-21swapper/023:50:170
3589250993726,7cyclictest3611564-21grep21:15:302
3589250993725,7cyclictest0-21swapper/220:50:272
3589250993725,7cyclictest0-21swapper/220:50:272
3589250993720,10cyclictest0-21swapper/221:35:272
3589250993720,10cyclictest0-21swapper/221:35:272
358925099371,29cyclictest3640437-21unixbench_multi00:05:282
3589248993729,5cyclictest3597145-21grep19:50:291
3589248993728,6cyclictest3607608-21/usr/sbin/munin20:55:271
3589248993728,5cyclictest3595397-21grep19:40:311
3589250993626,6cyclictest3621852-21grep22:15:292
3589248993627,4cyclictest0-21swapper/119:15:301
358924899361,6cyclictest3605584-21mailstats20:40:271
3589246993630,4cyclictest0-21swapper/019:20:150
3589246993630,3cyclictest20650irq/252-8000000.ethernet22:10:220
358924699361,8cyclictest3590081-21munin-node22:25:180
358924699361,8cyclictest3590081-21munin-node22:25:180
358925099353,27cyclictest3642254-21unixbench_singl00:15:282
3589250993526,5cyclictest3605671-21grep20:40:272
3589250993525,6cyclictest0-21swapper/223:10:302
3589250993525,5cyclictest0-21swapper/200:00:282
3589250993522,9cyclictest0-21swapper/223:25:262
3589250993522,9cyclictest0-21swapper/223:25:262
358925099351,3cyclictest0-21swapper/220:20:322
358925099351,3cyclictest0-21swapper/220:20:322
3589248993526,5cyclictest0-21swapper/100:15:201
3589248993525,5cyclictest0-21swapper/119:55:301
3589248993524,5cyclictest0-21swapper/120:30:001
358924899351,4cyclictest3643067-21grep00:20:301
358924899351,29cyclictest3622697-21grep22:20:281
358925099346,23cyclictest0-21swapper/221:30:012
3589250993429,2cyclictest0-21swapper/200:25:262
3589250993426,5cyclictest0-21swapper/219:45:282
3589250993424,4cyclictest0-21swapper/222:40:282
3589250993424,4cyclictest0-21swapper/222:40:282
3589250993421,8cyclictest0-21swapper/200:30:302
3589248993427,4cyclictest0-21swapper/100:05:291
3589248993425,7cyclictest0-21swapper/121:55:291
3589248993423,8cyclictest0-21swapper/121:40:001
3589248993423,8cyclictest0-21swapper/121:40:001
358925099331,29cyclictest14-21rcu_preempt23:45:272
358925099331,26cyclictest0-21swapper/222:25:172
358925099331,26cyclictest0-21swapper/222:25:172
3589248993326,3cyclictest0-21swapper/123:10:311
3589248993325,5cyclictest3606567-21apt20:50:001
3589248993324,4cyclictest0-21swapper/123:00:321
3589248993322,7cyclictest0-21swapper/122:30:201
3589250993225,4cyclictest167550irq/134-8000000.ethernet-tx219:55:212
3589250993225,4cyclictest167550irq/134-8000000.ethernet-tx219:20:192
3589250993219,8cyclictest0-21swapper/223:40:222
3589250993219,8cyclictest0-21swapper/223:40:222
3589248993225,4cyclictest0-21swapper/122:25:171
3589248993225,4cyclictest0-21swapper/122:25:161
3589248993224,6cyclictest0-21swapper/123:05:291
3589248993224,5cyclictest3645707-21latency_hist00:40:001
3589248993223,5cyclictest0-21swapper/122:10:301
3589248993223,5cyclictest0-21swapper/120:25:001
3589248993223,5cyclictest0-21swapper/120:25:001
3589248993223,4cyclictest0-21swapper/122:35:231
3589248993221,7cyclictest0-21swapper/119:30:281
3589248993221,6cyclictest3607338-21grep20:50:271
3589248993221,6cyclictest3607338-21grep20:50:271
3589250993125,4cyclictest0-21swapper/200:15:002
3589250993124,4cyclictest0-21swapper/219:55:012
3589250993123,5cyclictest0-21swapper/219:35:272
3589250993121,7cyclictest0-21swapper/220:45:212
3589250993118,8cyclictest311ktimers/221:55:162
358924899313,12cyclictest22-21rcuc/122:50:011
3589248993122,4cyclictest0-21swapper/119:20:191
3589248993120,8cyclictest0-21swapper/122:15:291
3589248993120,7cyclictest0-21swapper/123:55:291
3589248993120,7cyclictest0-21swapper/123:55:291
3589248993117,10cyclictest0-21swapper/121:40:261
3589250993024,4cyclictest0-21swapper/219:30:242
3589250993023,3cyclictest0-21swapper/219:45:002
3589250993022,4cyclictest0-21swapper/223:30:292
3589250993022,4cyclictest0-21swapper/222:05:262
3589250993021,6cyclictest0-21swapper/220:55:232
358925099301,27cyclictest0-21swapper/223:08:012
3589248993024,3cyclictest0-21swapper/123:40:201
3589248993024,3cyclictest0-21swapper/123:40:201
3589248993022,5cyclictest0-21swapper/122:40:251
3589248993022,5cyclictest0-21swapper/122:40:251
3589248993020,7cyclictest0-21swapper/123:45:321
3589248993020,6cyclictest0-21swapper/119:15:011
3589248993012,15cyclictest167450irq/126-8000000.ethernet-tx120:31:371
358924899301,19cyclictest0-21swapper/121:35:011
3589250992923,4cyclictest0-21swapper/222:35:132
3589250992921,4cyclictest14-21rcu_preempt19:10:012
3589250992920,5cyclictest0-21swapper/223:00:242
3589250992915,9cyclictest0-21swapper/222:20:212
3589248992917,9cyclictest0-21swapper/119:25:211
358925099289,5cyclictest167550irq/134-8000000.ethernet-tx222:11:572
3589250992821,4cyclictest3645128-21df00:35:202
3589250992817,7cyclictest0-21swapper/219:25:282
3589248992821,4cyclictest0-21swapper/123:34:591
3589248992819,5cyclictest0-21swapper/121:00:231
358925099271,24cyclictest0-21swapper/221:20:312
358925099271,24cyclictest0-21swapper/221:20:312
3589248992718,6cyclictest0-21swapper/123:50:221
3589248992716,6cyclictest231ktimers/122:05:041
358924899271,24cyclictest0-21swapper/100:28:311
3589250992618,5cyclictest0-21swapper/220:05:272
3589250992618,5cyclictest0-21swapper/220:05:272
3589250992616,7cyclictest0-21swapper/221:45:302
3589250992517,6cyclictest311ktimers/220:25:112
3589248992516,7cyclictest231ktimers/119:35:171
3589250992316,5cyclictest1660-21snmpd21:41:512
3589248991910,7cyclictest0-21swapper/119:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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