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2026-04-27 - 23:10

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 Mon Apr 27, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
374446996456,4cyclictest0-21swapper/011:10:110
374449996011,15cyclictest430375-21apt-get12:35:021
374446995649,5cyclictest131ktimers/009:05:200
374446995649,5cyclictest131ktimers/009:05:200
374450995547,4cyclictest423443-21munin-plugin-st11:55:012
374450995547,4cyclictest423443-21munin-plugin-st11:55:002
374446995537,14cyclictest15-21rcuc/010:20:150
374449995414,21cyclictest403786-21/usr/sbin/munin10:00:181
374446995348,3cyclictest0-21swapper/010:05:120
374446995145,4cyclictest0-21swapper/009:15:130
374446995142,5cyclictest14-21rcu_preempt10:00:200
374446995114,33cyclictest15-21rcuc/009:45:290
374446995114,33cyclictest15-21rcuc/009:45:290
37444699505,7cyclictest131ktimers/008:05:100
374446994935,7cyclictest374448-21date07:10:010
37444699491,9cyclictest412245-21sed10:50:010
37444699491,8cyclictest405470-21apt-get10:10:100
374446994917,28cyclictest0-21swapper/009:25:200
374449994838,5cyclictest0-21swapper/108:04:591
374449994836,8cyclictest0-21swapper/109:59:591
374450994738,5cyclictest14-21rcu_preempt09:55:162
37445099471,19cyclictest0-21swapper/209:10:012
37445099471,19cyclictest0-21swapper/209:10:012
374446994735,7cyclictest0-21swapper/007:55:290
374449994632,10cyclictest428614-21http12:25:021
374449994631,11cyclictest0-21swapper/111:00:001
37444699461,6cyclictest0-21swapper/012:15:010
37444699461,42cyclictest0-21swapper/007:35:110
374450994532,9cyclictest430483-21apt-key12:35:012
374446994532,9cyclictest0-21swapper/011:50:290
374446994532,9cyclictest0-21swapper/011:50:290
37444699451,4cyclictest0-21swapper/012:00:120
37445099444,17cyclictest30-21rcuc/210:35:002
374450994434,5cyclictest0-21swapper/211:40:012
374449994432,7cyclictest0-21swapper/109:10:291
374449994430,10cyclictest0-21swapper/109:19:591
37444699447,35cyclictest0-21swapper/007:30:240
374446994434,7cyclictest386552-21grep08:15:290
374446994426,12cyclictest393052-21/usr/sbin/munin08:55:240
374450994335,4cyclictest0-21swapper/210:25:002
374450994334,5cyclictest0-21swapper/208:40:012
374446994334,6cyclictest15-21rcuc/012:25:010
374446994332,5cyclictest0-21swapper/008:45:190
374446994329,10cyclictest0-21swapper/010:45:000
374446994328,10cyclictest0-21swapper/007:15:020
374446994327,13cyclictest131ktimers/008:10:130
37444699431,40cyclictest15-21rcuc/009:35:260
37444699431,3cyclictest409551-21users10:30:280
374450994226,10cyclictest0-21swapper/207:25:012
374449994230,7cyclictest0-21swapper/108:20:301
374449994230,7cyclictest0-21swapper/108:20:301
374446994234,5cyclictest47-21kauditd11:30:000
374446994234,5cyclictest388256-21unixbench_singl08:25:310
374446994232,6cyclictest0-21swapper/009:50:290
37444699421,3cyclictest0-21swapper/007:55:010
374450994133,4cyclictest14-21rcu_preempt09:00:012
374450994130,9cyclictest410427-21munin-plugin-st10:40:002
374450994128,10cyclictest311ktimers/208:20:122
374450994128,10cyclictest311ktimers/208:20:122
374450994127,9cyclictest0-21swapper/211:15:012
374450994119,19cyclictest311ktimers/207:35:022
37445099411,22cyclictest0-21swapper/212:10:022
37445099411,19cyclictest0-21swapper/211:25:002
374449994132,5cyclictest0-21swapper/112:30:281
374449994131,5cyclictest0-21swapper/110:25:221
374449994129,8cyclictest0-21swapper/109:40:011
374446994132,5cyclictest0-21swapper/012:35:200
374446994129,8cyclictest0-21swapper/012:05:280
37444699412,32cyclictest0-21swapper/011:00:010
37444699411,5cyclictest0-21swapper/011:30:240
37444699411,4cyclictest406313-21cpu10:15:150
374450994026,10cyclictest0-21swapper/207:10:252
374449994031,5cyclictest0-21swapper/112:05:271
374449994030,6cyclictest379788-21grep07:35:301
374449994022,12cyclictest422565-21grep11:45:301
37444699403,6cyclictest383628-21cut08:00:190
374446994034,4cyclictest0-21swapper/009:05:010
374446994033,5cyclictest0-21swapper/007:45:140
374446994032,5cyclictest131ktimers/011:05:100
374446994031,5cyclictest167350irq/118-8000000.ethernet-tx009:25:000
374446994029,7cyclictest0-21swapper/008:40:290
374446994027,9cyclictest0-21swapper/012:25:260
37444699402,36cyclictest0-21swapper/011:40:200
37444699401,5cyclictest131ktimers/011:35:270
374450993932,4cyclictest0-21swapper/211:45:012
374450993926,9cyclictest0-21swapper/207:35:202
374450993922,10cyclictest0-21swapper/209:00:252
374450993921,13cyclictest311ktimers/208:00:122
374449993931,4cyclictest0-21swapper/112:10:161
374449993930,5cyclictest0-21swapper/110:40:001
374449993929,5cyclictest0-21swapper/108:40:291
374449993925,10cyclictest0-21swapper/111:40:001
374449993924,10cyclictest0-21swapper/107:10:161
374449993919,16cyclictest231ktimers/110:15:141
37444999391,23cyclictest0-21swapper/112:20:001
37444699394,3cyclictest0-21swapper/008:40:010
374446993929,7cyclictest0-21swapper/011:00:280
374446993929,6cyclictest0-21swapper/011:20:010
374446993929,6cyclictest0-21swapper/011:20:010
374446993928,7cyclictest0-21swapper/009:40:290
37444699392,35cyclictest0-21swapper/007:25:170
37444699391,3cyclictest0-21swapper/007:40:160
37444699391,3cyclictest0-21swapper/007:40:160
374449993829,7cyclictest389983-21sendmail08:40:001
374449993828,7cyclictest0-21swapper/112:00:291
374449993828,5cyclictest0-21swapper/109:45:181
374449993828,5cyclictest0-21swapper/109:45:171
374446993828,6cyclictest0-21swapper/008:30:290
374446993826,9cyclictest0-21swapper/011:55:290
374446993826,8cyclictest0-21swapper/009:30:270
37444699382,2cyclictest395339-21apt-get09:10:160
37444699381,35cyclictest0-21swapper/010:25:310
374450993727,5cyclictest0-21swapper/212:10:282
374450993725,7cyclictest0-21swapper/208:15:202
374450993716,16cyclictest311ktimers/209:15:162
37444999376,13cyclictest391960-21/usr/sbin/munin08:50:221
374449993724,9cyclictest0-21swapper/111:15:011
374449993722,11cyclictest22-21rcuc/107:55:121
374446993731,4cyclictest20850irq/208-8000000.ethernet12:30:150
374446993731,4cyclictest131ktimers/007:15:290
374446993731,4cyclictest131ktimers/007:15:280
374446993725,8cyclictest0-21swapper/007:20:270
374446993724,9cyclictest131ktimers/010:50:110
374446993716,19cyclictest0-21swapper/011:45:150
37444699371,4cyclictest0-21swapper/010:36:050
37444699371,34cyclictest0-21swapper/009:55:140
37444699371,34cyclictest0-21swapper/008:50:130
374450993630,3cyclictest399129-21ptp4l09:30:262
374450993628,5cyclictest0-21swapper/211:50:002
374450993628,5cyclictest0-21swapper/211:00:012
374450993626,4cyclictest14-21rcu_preempt12:35:272
374450993619,12cyclictest311ktimers/208:05:122
374449993627,5cyclictest0-21swapper/111:00:171
374446993627,5cyclictest427621-21grep12:15:270
37444699361,6cyclictest0-21swapper/011:25:010
374450993527,5cyclictest0-21swapper/208:45:302
374450993526,5cyclictest411160-21grep10:40:302
374450993523,7cyclictest0-21swapper/208:10:292
374450993522,7cyclictest0-21swapper/210:10:012
374449993526,5cyclictest0-21swapper/108:10:201
374449993524,7cyclictest0-21swapper/110:30:271
374449993524,4cyclictest0-21swapper/110:50:011
374449993523,8cyclictest0-21swapper/110:40:271
37444999351,27cyclictest393658-21/usr/sbin/munin09:00:201
374449993510,16cyclictest400411-21/usr/sbin/munin09:40:201
374450993417,13cyclictest311ktimers/211:30:152
37445099341,30cyclictest417414-21sshd11:15:412
37445099341,30cyclictest417414-21sshd11:15:412
37444999342,4cyclictest388564-21df_inode08:30:171
374449993421,7cyclictest0-21swapper/112:25:061
374449993413,14cyclictest167450irq/126-8000000.ethernet-tx107:40:111
374449993413,14cyclictest167450irq/126-8000000.ethernet-tx107:40:111
374446993425,4cyclictest15-21rcuc/008:20:270
374446993425,4cyclictest15-21rcuc/008:20:270
374450993328,3cyclictest0-21swapper/211:00:222
374450993323,5cyclictest0-21swapper/210:00:282
374450993319,10cyclictest0-21swapper/211:25:202
37445099331,27cyclictest0-21swapper/209:35:222
37444999339,7cyclictest832-21systemd-network07:28:561
374449993325,5cyclictest0-21swapper/107:15:281
374449993325,5cyclictest0-21swapper/107:15:281
374449993325,4cyclictest0-21swapper/111:25:261
37445099324,15cyclictest397037-21/usr/sbin/munin09:20:212
374450993224,6cyclictest395336-21/usr/sbin/munin09:10:262
374450993224,4cyclictest0-21swapper/212:15:282
374450993224,4cyclictest0-21swapper/208:30:262
374450993224,4cyclictest0-21swapper/207:55:302
374450993220,9cyclictest0-21swapper/211:10:012
37444999322,4cyclictest417738-21/usr/sbin/munin11:20:191
374449993224,5cyclictest0-21swapper/110:20:291
374449993223,4cyclictest0-21swapper/108:25:211
374449993220,8cyclictest0-21swapper/107:30:261
374450993122,5cyclictest0-21swapper/208:25:272
374450993122,5cyclictest0-21swapper/207:25:302
374450993117,11cyclictest311ktimers/207:50:112
374449993124,5cyclictest405271-21munin-plugin-st10:10:001
374449993124,4cyclictest0-21swapper/108:55:301
374449993124,4cyclictest0-21swapper/108:49:591
374449993124,4cyclictest0-21swapper/108:15:301
374450993025,4cyclictest0-21swapper/207:45:152
374450993021,5cyclictest0-21swapper/209:50:202
374450993016,10cyclictest0-21swapper/207:15:212
374450993016,10cyclictest0-21swapper/207:15:202
374450993014,9cyclictest311ktimers/212:05:002
37445099301,27cyclictest0-21swapper/212:25:142
37445099301,26cyclictest1660-21snmpd10:54:242
374450993010,4cyclictest832-21systemd-network08:51:442
374449993022,6cyclictest22-21rcuc/111:15:131
374449993022,6cyclictest22-21rcuc/111:15:131
374449993022,5cyclictest22-21rcuc/110:10:271
374449993022,4cyclictest0-21swapper/109:25:201
374449993021,6cyclictest399297-21grep09:30:281
374449993020,7cyclictest0-21swapper/107:20:191
374450992922,4cyclictest0-21swapper/209:40:212
374450992913,4cyclictest167550irq/134-8000000.ethernet-tx207:41:422
374450992913,4cyclictest167550irq/134-8000000.ethernet-tx207:41:422
37445099291,26cyclictest0-21swapper/210:11:492
374450992912,5cyclictest167550irq/134-8000000.ethernet-tx212:24:432
374449992922,5cyclictest419338-21/usr/sbin/munin11:30:211
374449992918,8cyclictest0-21swapper/109:05:301
374449992918,8cyclictest0-21swapper/109:05:291
37444999291,23cyclictest0-21swapper/108:05:101
374449992910,17cyclictest167450irq/126-8000000.ethernet-tx110:50:261
374450992822,4cyclictest423640-21/usr/sbin/munin11:55:222
374450992820,4cyclictest200-21pr/ttyS210:20:012
374450992818,7cyclictest311ktimers/210:30:002
374449992820,5cyclictest22-21rcuc/111:50:221
374449992820,5cyclictest22-21rcuc/111:50:221
374449992815,7cyclictest415008-21df_inode11:05:181
374449992812,13cyclictest231ktimers/111:40:141
374450992719,5cyclictest30-21rcuc/210:45:192
374450992716,8cyclictest0-21swapper/209:45:282
374450992716,8cyclictest0-21swapper/209:45:282
374450992710,14cyclictest311ktimers/208:40:142
374449992719,5cyclictest0-21swapper/109:50:281
374449992717,6cyclictest0-21swapper/109:20:281
374449992716,7cyclictest0-21swapper/111:55:201
374449992715,7cyclictest231ktimers/107:45:101
37444999271,4cyclictest0-21swapper/107:55:001
374450992612,11cyclictest311ktimers/209:25:122
374449992615,6cyclictest374605-21cut07:10:021
374450992416,5cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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