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2026-07-25 - 23:01

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 Sat Jul 25, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3437811995727,19cyclictest0-21swapper/112:05:021
3437812995647,5cyclictest3478109-21munin-plugin-st11:05:002
3437808995412,5cyclictest131ktimers/007:40:290
3437811995238,9cyclictest0-21swapper/108:10:011
3437812995141,5cyclictest0-21swapper/212:20:002
3437812995138,6cyclictest3485635-21grep11:45:292
3437812994939,6cyclictest0-21swapper/209:40:002
3437811994937,7cyclictest3480509-21grep11:15:301
3437811994937,7cyclictest3480509-21grep11:15:301
3437811994932,12cyclictest231ktimers/110:10:141
3437808994942,5cyclictest3446494-21cron08:00:000
3437808994941,4cyclictest167350irq/118-8000000.ethernet-tx010:40:250
3437808994941,4cyclictest167350irq/118-8000000.ethernet-tx010:40:250
3437808994927,18cyclictest3478720-21ptp4l11:05:280
3437808994917,28cyclictest0-21swapper/011:55:220
343780899491,5cyclictest3488158-21unixbench_multi12:00:280
343780899488,38cyclictest15-21rcuc/012:25:010
3437808994741,4cyclictest0-21swapper/008:35:120
3437808994741,4cyclictest0-21swapper/008:35:120
3437808994741,3cyclictest0-21swapper/008:25:010
3437808994733,8cyclictest131ktimers/010:00:140
3437812994637,4cyclictest0-21swapper/212:25:002
3437812994629,9cyclictest0-21swapper/209:40:302
3437811994629,11cyclictest0-21swapper/110:45:301
3437808994639,4cyclictest167350irq/118-8000000.ethernet-tx008:10:140
3437808994638,4cyclictest167350irq/118-8000000.ethernet-tx011:05:000
3437812994529,10cyclictest0-21swapper/211:20:012
3437812994529,10cyclictest0-21swapper/211:20:012
3437811994538,4cyclictest3491709-21munin-plugin-st12:25:001
3437811994534,8cyclictest3440603-21munin-plugin-st07:25:011
3437808994534,8cyclictest0-21swapper/009:40:300
3437812994426,10cyclictest0-21swapper/211:30:282
3437812994426,10cyclictest0-21swapper/211:30:282
3437811994436,4cyclictest3453344-21munin-plugin-st08:40:011
3437811994436,4cyclictest3453344-21munin-plugin-st08:40:011
3437811994433,7cyclictest0-21swapper/108:45:281
3437811994429,9cyclictest0-21swapper/107:15:281
3437808994433,8cyclictest0-21swapper/010:50:000
3437808994432,8cyclictest131ktimers/011:35:140
3437808994430,8cyclictest131ktimers/012:05:140
3437808994428,14cyclictest167350irq/118-8000000.ethernet-tx008:00:110
3437808994425,15cyclictest0-21swapper/008:10:020
3437812994334,5cyclictest3471077-21grep10:20:302
3437812994331,7cyclictest3486474-21grep11:50:322
3437812994331,7cyclictest3450695-21unixbench_singl08:20:332
3437811994325,9cyclictest0-21swapper/111:45:291
3437811994323,14cyclictest231ktimers/110:00:151
3437811994323,12cyclictest231ktimers/107:35:131
343780899437,34cyclictest14-21rcu_preempt12:25:290
343780899437,34cyclictest14-21rcu_preempt12:25:290
3437808994335,3cyclictest3460930-21/usr/sbin/munin09:20:300
3437808994331,9cyclictest0-21swapper/007:15:010
3437808994331,7cyclictest3473587-21grep10:35:300
3437808994329,10cyclictest0-21swapper/012:15:010
343780899432,5cyclictest3485129-21df_inode11:45:180
343780899431,6cyclictest15-21rcuc/008:40:290
3437812994232,5cyclictest0-21swapper/209:10:292
3437812994231,6cyclictest0-21swapper/207:15:052
3437812994229,7cyclictest3449787-21grep08:15:302
3437812994225,9cyclictest0-21swapper/207:40:222
3437811994226,8cyclictest0-21swapper/108:40:271
3437811994223,11cyclictest231ktimers/112:35:151
3437808994234,4cyclictest0-21swapper/011:15:220
3437808994234,4cyclictest0-21swapper/011:15:220
343780899422,5cyclictest3462634-21munin-run09:35:010
343780899421,39cyclictest0-21swapper/010:20:270
3437808994212,27cyclictest131ktimers/011:40:240
3437808994210,28cyclictest0-21swapper/007:20:000
3437812994134,5cyclictest311ktimers/210:50:002
3437812994132,4cyclictest0-21swapper/210:25:302
3437812994130,7cyclictest3489883-21grep12:10:312
3437812994130,6cyclictest0-21swapper/210:15:292
3437812994130,6cyclictest0-21swapper/208:50:302
3437812994129,8cyclictest0-21swapper/207:45:292
3437812994127,7cyclictest0-21swapper/208:00:272
3437812994126,9cyclictest0-21swapper/210:40:212
3437812994126,9cyclictest0-21swapper/210:40:212
3437812994125,11cyclictest0-21swapper/208:05:232
3437812994113,15cyclictest3437805-21cyclictest11:10:172
3437811994132,6cyclictest0-21swapper/109:15:291
3437811994132,6cyclictest0-21swapper/109:15:291
3437811994129,8cyclictest0-21swapper/110:55:001
3437811994126,11cyclictest0-21swapper/111:00:021
3437811994125,9cyclictest0-21swapper/108:20:321
343780899412,12cyclictest3449873-21sh08:20:010
343780899411,38cyclictest0-21swapper/009:45:210
343781299403,28cyclictest0-21swapper/207:12:202
3437812994024,7cyclictest0-21swapper/209:55:282
3437812994024,7cyclictest0-21swapper/209:55:282
3437812994024,7cyclictest0-21swapper/208:45:202
3437812994016,14cyclictest0-21swapper/208:25:132
3437811994028,8cyclictest0-21swapper/111:00:291
3437811994027,9cyclictest0-21swapper/110:30:291
3437811994027,9cyclictest0-21swapper/110:30:291
3437811994026,9cyclictest0-21swapper/108:10:311
3437808994031,7cyclictest131ktimers/008:50:290
3437808994031,6cyclictest3468505-21grep10:05:310
3437808994028,8cyclictest0-21swapper/011:25:270
3437808994028,7cyclictest3441387-21grep07:25:300
343780899401,36cyclictest0-21swapper/009:00:290
343780899401,10cyclictest3443121-21sendmail07:40:010
343781299393,28cyclictest0-21swapper/209:25:192
3437812993929,4cyclictest0-21swapper/208:55:272
3437812993928,8cyclictest3442642-21sh07:35:222
3437812993928,5cyclictest0-21swapper/212:00:212
3437812993925,9cyclictest0-21swapper/212:35:322
3437812993923,9cyclictest3477179-21sendmail-msp11:00:012
3437812993922,7cyclictest0-21swapper/207:20:202
3437811993932,3cyclictest3438850-21latency_hist07:15:021
3437811993931,5cyclictest3486547-21munin-plugin-st11:55:001
3437811993928,7cyclictest0-21swapper/111:40:311
3437811993925,8cyclictest0-21swapper/112:30:281
3437811993924,11cyclictest0-21swapper/112:15:291
3437811993923,8cyclictest0-21swapper/109:55:301
3437811993923,8cyclictest0-21swapper/109:55:301
343780899395,32cyclictest0-21swapper/011:10:150
3437808993931,4cyclictest0-21swapper/010:15:290
3437808993930,6cyclictest0-21swapper/009:50:310
3437808993929,6cyclictest0-21swapper/011:50:320
3437808993926,8cyclictest0-21swapper/011:30:310
3437808993926,8cyclictest0-21swapper/011:30:310
343780899391,36cyclictest0-21swapper/011:20:290
343780899391,36cyclictest0-21swapper/007:45:120
343780899391,35cyclictest3477084-21sshd10:55:290
343781299383,7cyclictest0-21swapper/207:55:022
343781299383,25cyclictest3467688-21kworker/u8:0+rpciod11:39:232
3437812993829,5cyclictest3448955-21grep08:10:302
3437812993829,4cyclictest0-21swapper/209:30:292
3437812993827,8cyclictest0-21swapper/210:35:002
3437812993827,8cyclictest0-21swapper/210:35:002
3437812993826,8cyclictest0-21swapper/211:40:312
3437812993826,7cyclictest3488978-21grep12:05:312
3437812993820,10cyclictest0-21swapper/208:30:312
3437811993829,5cyclictest0-21swapper/107:45:181
3437811993827,8cyclictest0-21swapper/111:20:281
3437811993824,7cyclictest0-21swapper/109:30:301
3437811993813,22cyclictest167450irq/126-8000000.ethernet-tx107:30:281
343780899387,28cyclictest131ktimers/008:30:120
3437808993831,4cyclictest0-21swapper/008:45:240
3437808993824,9cyclictest0-21swapper/010:10:240
343780899381,35cyclictest0-21swapper/008:25:270
3437812993730,4cyclictest311ktimers/209:20:202
3437812993725,7cyclictest0-21swapper/209:15:212
3437812993725,7cyclictest0-21swapper/209:15:212
3437812993721,9cyclictest0-21swapper/208:40:022
3437812993721,9cyclictest0-21swapper/208:40:022
3437811993729,4cyclictest0-21swapper/112:10:301
3437811993729,4cyclictest0-21swapper/109:55:001
3437811993725,9cyclictest0-21swapper/108:50:311
3437811993725,8cyclictest0-21swapper/111:10:321
343780899379,20cyclictest131ktimers/010:50:250
3437808993731,4cyclictest0-21swapper/008:55:130
3437808993730,5cyclictest3494075-21processes12:35:300
3437808993730,5cyclictest3471901-21grep10:25:300
3437808993730,4cyclictest131ktimers/012:35:010
3437808993730,4cyclictest0-21swapper/009:55:290
3437808993730,4cyclictest0-21swapper/009:55:290
343780899371,4cyclictest0-21swapper/007:20:010
343780899371,3cyclictest0-21swapper/009:15:220
343780899371,3cyclictest0-21swapper/009:15:210
343780899371,34cyclictest0-21swapper/009:14:320
3437812993629,5cyclictest0-21swapper/210:50:272
3437812993627,6cyclictest311ktimers/211:55:292
3437812993617,12cyclictest0-21swapper/210:00:312
3437812993612,15cyclictest0-21swapper/212:30:142
3437811993629,4cyclictest3474581-21latency_hist10:45:011
3437811993629,4cyclictest3474581-21latency_hist10:45:011
3437811993628,5cyclictest3456619-21grep08:55:291
3437811993626,7cyclictest0-21swapper/108:15:301
3437811993625,7cyclictest0-21swapper/108:30:311
3437811993619,13cyclictest231ktimers/107:40:121
3437808993629,4cyclictest0-21swapper/012:15:130
3437808993628,6cyclictest131ktimers/010:30:210
3437808993628,6cyclictest131ktimers/010:30:200
343780899361,33cyclictest0-21swapper/009:07:430
343780899361,33cyclictest0-21swapper/007:30:140
3437812993528,3cyclictest0-21swapper/210:05:232
3437812993526,5cyclictest311ktimers/210:10:142
3437812993523,7cyclictest311ktimers/212:25:042
3437812993523,7cyclictest311ktimers/212:25:042
3437812993523,6cyclictest0-21swapper/209:45:272
3437812993521,6cyclictest3482264-21grep11:25:272
3437811993525,7cyclictest0-21swapper/108:00:301
3437811993523,8cyclictest0-21swapper/110:35:311
3437811993523,7cyclictest0-21swapper/111:30:311
3437811993523,7cyclictest0-21swapper/111:30:311
343781199351,31cyclictest34577751/usr/sbin/munin09:05:231
3437808993526,7cyclictest15-21rcuc/009:35:230
343780899351,31cyclictest0-21swapper/007:50:110
3437812993423,4cyclictest0-21swapper/209:50:292
343781299342,26cyclictest0-21swapper/208:41:212
3437812993420,6cyclictest0-21swapper/207:30:222
3437811993426,3cyclictest0-21swapper/107:50:291
3437811993423,7cyclictest0-21swapper/110:05:311
3437811993422,8cyclictest0-21swapper/109:25:291
3437811993421,8cyclictest231ktimers/112:05:141
3437808993418,14cyclictest0-21swapper/009:25:270
343781299336,22cyclictest3458381-21unixbench_singl09:05:312
343781299335,13cyclictest30-21rcuc/210:40:012
3437812993325,5cyclictest311ktimers/209:00:292
3437812993322,6cyclictest0-21swapper/211:05:172
3437811993324,5cyclictest0-21swapper/110:25:291
3437811993323,7cyclictest0-21swapper/107:25:301
3437812993226,4cyclictest311ktimers/207:55:182
3437811993223,5cyclictest3463411-21grep09:35:301
3437811993222,7cyclictest0-21swapper/112:25:321
3437811993222,7cyclictest0-21swapper/112:25:321
3437811993222,6cyclictest22-21rcuc/111:39:591
3437811993222,6cyclictest0-21swapper/109:10:311
3437811993220,8cyclictest0-21swapper/109:00:221
3437811993219,10cyclictest231ktimers/111:25:111
343781299315,18cyclictest3481376-21grep11:20:282
3437812993116,8cyclictest0-21swapper/207:25:202
3437811993124,4cyclictest0-21swapper/110:15:281
343781199312,3cyclictest3487393-21munin-run12:00:001
3437811993123,5cyclictest3464532-21/usr/sbin/munin09:45:181
3437811993123,5cyclictest231ktimers/107:55:251
3437811993120,8cyclictest0-21swapper/109:20:301
3437811993019,8cyclictest231ktimers/111:05:111
3437811993016,10cyclictest231ktimers/110:20:141
343781299293,16cyclictest3437897-21latency_hist07:10:012
3437811992920,5cyclictest0-21swapper/109:40:271
3437811992720,5cyclictest0-21swapper/108:25:211
3437811992518,5cyclictest0-21swapper/107:10:011
3437808992421,2cyclictest0-21swapper/007:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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