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2025-12-04 - 05:23

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 Thu Dec 04, 2025 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4178974997971,5cyclictest0-21swapper/120:25:011
4178974997469,3cyclictest4278-21/usr/sbin/munin21:00:191
417897599691,43cyclictest0-21swapper/223:20:022
4178971996655,7cyclictest3968-21grep20:55:300
4178971996655,7cyclictest3968-21grep20:55:290
417897599657,20cyclictest30-21rcuc/223:00:012
417897599541,33cyclictest0-21swapper/222:45:012
417897599531,8cyclictest0-21swapper/220:05:012
4178974995333,13cyclictest231ktimers/122:05:171
417897199532,45cyclictest15-21rcuc/020:45:010
4178974995234,12cyclictest231ktimers/122:45:111
4178974995132,12cyclictest231ktimers/119:40:111
4178974995131,13cyclictest231ktimers/100:10:151
417897499512,18cyclictest4179794-21munin-node19:15:011
417897499512,18cyclictest4179794-21munin-node19:15:011
4178971995143,4cyclictest21050irq/252-8000000.ethernet21:10:010
417897599502,12cyclictest1441-21apt-get20:45:012
4178974995030,13cyclictest231ktimers/121:45:141
4178974995030,13cyclictest231ktimers/100:00:131
4178975994941,4cyclictest35682-21munin-plugin-st00:05:012
4178974994932,10cyclictest231ktimers/100:15:181
417897199491,36cyclictest19110-1kworker/0:2H+kblockd22:45:010
417897499483,35cyclictest24-21ksoftirqd/121:20:011
4178971994840,4cyclictest21050irq/252-8000000.ethernet22:25:240
4178971994836,4cyclictest21050irq/252-8000000.ethernet00:30:180
4178975994738,5cyclictest38209-21munin-plugin-st00:20:002
417897599471,24cyclictest0-21swapper/220:50:012
417897499472,8cyclictest24-21ksoftirqd/119:10:001
4178974994728,13cyclictest231ktimers/122:15:151
4178971994736,4cyclictest21050irq/252-8000000.ethernet22:50:150
4178971994735,8cyclictest7449-21sendmail21:19:590
4178971994735,8cyclictest6535-21grep21:10:290
417897599469,13cyclictest0-21swapper/223:35:012
4178975994638,5cyclictest7450-21sendmail21:19:592
4178974994637,5cyclictest0-21swapper/123:00:001
4178974994630,8cyclictest0-21swapper/121:55:281
4178971994639,4cyclictest21050irq/252-8000000.ethernet23:15:270
4178971994639,4cyclictest21050irq/252-8000000.ethernet22:10:270
4178971994639,4cyclictest21050irq/252-8000000.ethernet00:35:210
4178971994638,4cyclictest21050irq/252-8000000.ethernet19:50:170
4178971994638,4cyclictest21050irq/252-8000000.ethernet00:05:270
4178971994631,10cyclictest0-21swapper/021:30:200
417897199462,11cyclictest0-21swapper/022:10:000
4178975994538,4cyclictest14308-21apt-get22:00:002
4178974994539,3cyclictest4189593-21/usr/sbin/munin20:10:191
4178974994523,14cyclictest231ktimers/120:20:171
4178971994538,4cyclictest21050irq/252-8000000.ethernet22:45:230
4178971994538,4cyclictest21050irq/252-8000000.ethernet22:15:320
4178971994538,4cyclictest21050irq/252-8000000.ethernet21:55:170
4178971994538,3cyclictest21050irq/252-8000000.ethernet19:25:160
4178971994537,5cyclictest4179776-21munin-plugin-st19:15:010
4178971994537,5cyclictest4179776-21munin-plugin-st19:15:000
4178974994435,5cyclictest20293-21munin-plugin-st22:35:011
4178971994437,4cyclictest21050irq/252-8000000.ethernet23:30:210
4178971994437,4cyclictest21050irq/252-8000000.ethernet22:20:230
4178971994437,4cyclictest21050irq/252-8000000.ethernet21:40:250
4178971994437,4cyclictest21050irq/252-8000000.ethernet20:15:250
4178971994437,4cyclictest21050irq/252-8000000.ethernet20:00:170
4178971994437,4cyclictest21050irq/252-8000000.ethernet19:40:280
4178971994437,4cyclictest21050irq/252-8000000.ethernet00:15:240
4178971994432,6cyclictest33057-21sed23:45:280
4178971994420,18cyclictest0-21swapper/023:50:290
4178974994331,7cyclictest4189332-21grep20:05:311
4178971994337,4cyclictest0-21swapper/021:45:270
4178971994336,4cyclictest21050irq/252-8000000.ethernet20:50:190
4178971994336,4cyclictest21050irq/252-8000000.ethernet19:10:000
4178971994336,3cyclictest4181157-21cpu19:20:160
4178971994336,2cyclictest0-21swapper/000:30:020
4178971994335,4cyclictest21050irq/252-8000000.ethernet21:50:140
4178971994332,5cyclictest27188-21sed23:10:290
4178971994329,7cyclictest4193985-21/usr/sbin/munin20:35:200
4178971994329,10cyclictest0-21swapper/020:00:010
4178975994228,9cyclictest33879-21grep23:50:292
4178975994226,10cyclictest0-21swapper/200:30:012
4178974994234,5cyclictest0-21swapper/123:25:281
4178974994227,10cyclictest0-21swapper/123:05:021
4178971994235,4cyclictest21050irq/252-8000000.ethernet20:20:260
4178971994235,4cyclictest21050irq/252-8000000.ethernet19:19:460
4178971994235,3cyclictest24072-21fschecks_count22:55:200
417897199420,8cyclictest0-21swapper/020:15:010
417897599414,8cyclictest0-21swapper/223:05:032
4178975994135,4cyclictest23664-21cron22:55:002
4178974994126,8cyclictest0-21swapper/119:20:291
4178974994126,11cyclictest231ktimers/123:45:111
4178974994126,11cyclictest231ktimers/121:30:131
4178971994136,2cyclictest0-21swapper/019:35:240
4178971994134,4cyclictest34321-21tune2fs23:55:200
4178971994133,4cyclictest21050irq/252-8000000.ethernet23:20:280
4178971994132,4cyclictest36986-21/usr/sbin/munin00:10:250
417897199412,32cyclictest0-21swapper/021:30:010
4178975994033,4cyclictest17755-21sendmail22:20:012
4178975994031,4cyclictest4182637-21munin-plugin-st19:30:002
4178975994028,8cyclictest0-21swapper/223:45:272
4178975994026,8cyclictest0-21swapper/221:35:292
417897599401,5cyclictest0-21swapper/221:40:012
4178974994033,4cyclictest168350irq/126-8000000.ethernet-tx121:40:191
4178974994025,11cyclictest0-21swapper/120:30:281
4178974994025,10cyclictest40746-21grep00:30:281
417897499401,2cyclictest0-21swapper/122:05:011
4178971994034,4cyclictest0-21swapper/000:20:280
4178971994029,7cyclictest0-21swapper/020:25:260
417897199402,34cyclictest10442-21grep21:35:210
417897199401,3cyclictest0-21swapper/000:05:010
417897199401,31cyclictest0-21swapper/019:45:140
417897199401,27cyclictest5040-21wc21:05:010
417897199401,10cyclictest0-21swapper/023:10:000
4178975993931,5cyclictest0-21swapper/223:40:312
4178975993928,6cyclictest34718-21grep23:55:292
4178975993926,8cyclictest0-21swapper/221:00:282
417897499398,19cyclictest22-21rcuc/123:15:131
4178974993923,8cyclictest0-21swapper/120:40:001
4178974993922,11cyclictest231ktimers/123:30:111
4178974993921,9cyclictest0-21swapper/120:40:281
4178974993920,13cyclictest231ktimers/123:20:141
4178974993910,14cyclictest14-21rcu_preempt22:25:001
4178971993934,2cyclictest0-21swapper/019:30:200
4178971993932,4cyclictest20348-21cat22:35:010
4178971993929,4cyclictest0-21swapper/022:00:050
4178975993829,4cyclictest0-21swapper/219:30:422
4178975993825,9cyclictest0-21swapper/200:10:002
417897599381,6cyclictest0-21swapper/220:30:022
4178974993823,8cyclictest0-21swapper/122:35:301
4178974993820,13cyclictest231ktimers/120:00:151
4178971993833,3cyclictest21050irq/252-8000000.ethernet23:00:210
417897199381,3cyclictest0-21swapper/020:30:210
417897199381,31cyclictest0-21swapper/023:40:150
4178975993729,5cyclictest9987-21grep21:30:292
4178975993726,7cyclictest3128-21grep20:50:292
4178975993726,6cyclictest0-21swapper/200:30:282
417897599371,3cyclictest0-21swapper/221:00:012
417897599371,3cyclictest0-21swapper/221:00:012
4178974993728,5cyclictest32242-21grep23:40:311
4178974993727,6cyclictest0-21swapper/123:10:291
4178974993727,5cyclictest0-21swapper/120:20:001
4178974993726,7cyclictest5699-21grep21:05:291
4178974993726,7cyclictest0-21swapper/119:50:301
4178974993725,7cyclictest4183233-21uname19:30:271
4178971993732,2cyclictest0-21swapper/020:05:220
4178975993622,9cyclictest0-21swapper/222:55:172
4178974993626,6cyclictest26326-21grep23:05:291
417897499361,4cyclictest0-21swapper/122:15:011
417897499361,28cyclictest4183681-21/usr/sbin/munin19:35:201
4178974993610,12cyclictest18810-21/usr/sbin/munin22:25:201
4178971993632,2cyclictest0-21swapper/020:45:190
4178971993630,4cyclictest0-21swapper/023:35:230
4178971993630,3cyclictest7939-21ssh21:20:230
4178975993527,4cyclictest0-21swapper/222:30:282
4178975993527,4cyclictest0-21swapper/219:15:292
4178975993523,6cyclictest4188512-21grep20:00:292
417897599351,3cyclictest0-21swapper/223:30:012
4178975993512,5cyclictest168450irq/134-8000000.ethernet-tx219:10:232
4178975993512,5cyclictest168450irq/134-8000000.ethernet-tx219:10:232
4178974993525,5cyclictest0-21swapper/123:50:201
4178974993522,7cyclictest10809-21grep21:35:301
4178971993531,2cyclictest0-21swapper/022:35:180
4178975993425,5cyclictest0-21swapper/222:35:212
4178975993425,5cyclictest0-21swapper/221:05:292
4178974993426,4cyclictest168350irq/126-8000000.ethernet-tx121:10:111
4178974993424,6cyclictest0-21swapper/100:25:301
4178971993430,2cyclictest0-21swapper/023:25:210
4178975993326,4cyclictest4187706-21sendmail20:00:002
4178975993322,8cyclictest1668-21snmpd22:26:402
4178975993322,7cyclictest0-21swapper/222:45:272
4178974993326,4cyclictest168350irq/126-8000000.ethernet-tx100:20:261
4178974993317,12cyclictest0-21swapper/121:50:291
417897499331,27cyclictest0-21swapper/123:55:121
4178975993224,4cyclictest0-21swapper/220:25:252
4178975993223,5cyclictest0-21swapper/223:35:302
4178975993223,4cyclictest6489-21grep21:10:282
4178975993222,6cyclictest0-21swapper/220:40:002
4178975993220,7cyclictest8305-21grep21:20:302
4178975993220,6cyclictest4191982-21grep20:20:322
4178975993219,8cyclictest0-21swapper/219:35:302
4178975993218,9cyclictest0-21swapper/223:10:282
417897499323,5cyclictest36478-21unixbench_singl00:05:311
4178974993224,5cyclictest4187057-21/usr/sbin/munin19:55:291
4178974993224,4cyclictest168350irq/126-8000000.ethernet-tx119:25:231
4178974993224,4cyclictest0-21swapper/122:45:011
4178974993222,5cyclictest0-21swapper/122:55:011
4178974993220,8cyclictest0-21swapper/120:55:021
417897499321,2cyclictest0-21swapper/123:40:001
417897499321,26cyclictest0-21swapper/119:15:271
417897599312,26cyclictest16902-21sshd22:14:382
4178975993122,5cyclictest0-21swapper/200:20:262
4178975993121,7cyclictest30-21rcuc/222:00:152
417897599311,28cyclictest0-21swapper/200:39:592
417897599311,27cyclictest12806-21/usr/sbin/munin21:50:282
4178974993121,5cyclictest0-21swapper/100:35:231
417897499311,2cyclictest0-21swapper/119:50:001
4178975993022,5cyclictest0-21swapper/221:30:012
4178975993021,5cyclictest0-21swapper/222:20:292
4178975993021,5cyclictest0-21swapper/200:10:192
4178974993024,4cyclictest0-21swapper/120:45:061
4178974993022,4cyclictest0-21swapper/120:55:291
4178974993022,4cyclictest0-21swapper/120:55:291
4178975992912,5cyclictest168450irq/134-8000000.ethernet-tx219:50:312
4178974992922,5cyclictest0-21swapper/121:25:141
4178974992921,5cyclictest0-21swapper/121:20:301
4178975992819,7cyclictest311ktimers/219:40:262
4178975992817,7cyclictest0-21swapper/223:20:292
4178975992817,7cyclictest0-21swapper/220:15:262
4178975992811,4cyclictest168450irq/134-8000000.ethernet-tx221:45:192
4178975992719,5cyclictest0-21swapper/219:20:282
417897599271,6cyclictest0-21swapper/222:05:012
4178975992312,8cyclictest4185807-21cut19:45:262
4178975992215,5cyclictest311ktimers/220:10:282
4178975991812,4cyclictest311ktimers/219:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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