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2025-11-30 - 14:37

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 Sun Nov 30, 2025 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
644958998771,9cyclictest0-21swapper/021:30:150
644958998771,9cyclictest0-21swapper/021:30:150
64496299824,50cyclictest700551-21dpkg00:35:002
644960996930,9cyclictest0-21swapper/120:55:301
644960996534,5cyclictest699537-21unixbench_multi00:25:311
644960996534,5cyclictest699537-21unixbench_multi00:25:301
644960996530,7cyclictest0-21swapper/100:35:291
64495899648,22cyclictest0-21swapper/023:15:010
64495899648,22cyclictest0-21swapper/023:15:010
644958996333,22cyclictest131ktimers/020:35:010
64495899633,28cyclictest15-21rcuc/000:05:000
64496299623,40cyclictest32-21ksoftirqd/220:35:002
644962996143,14cyclictest311ktimers/221:30:152
644962996143,14cyclictest311ktimers/221:30:152
644958995750,4cyclictest0-21swapper/022:20:120
644962995534,16cyclictest311ktimers/222:15:182
644958995547,4cyclictest131ktimers/021:40:280
644958995431,12cyclictest15-21rcuc/022:50:020
64496099534,11cyclictest0-21swapper/100:05:001
644958995345,3cyclictest647296-21fschecks_time19:20:220
644958995230,19cyclictest15-21rcuc/020:25:010
644958995228,13cyclictest131ktimers/022:05:180
644962995142,5cyclictest673263-21munin-plugin-st21:54:592
644962995140,7cyclictest0-21swapper/222:00:312
644962995140,7cyclictest0-21swapper/222:00:312
644962995130,15cyclictest311ktimers/223:00:162
644958995041,4cyclictest12-21ksoftirqd/000:40:020
644958995036,10cyclictest0-21swapper/000:35:010
644958995031,10cyclictest131ktimers/022:30:110
644962994932,11cyclictest311ktimers/222:25:152
644962994929,14cyclictest311ktimers/223:15:122
644960994930,11cyclictest0-21swapper/121:05:301
644958994941,4cyclictest21050irq/252-8000000.ethernet20:55:140
644962994830,12cyclictest311ktimers/200:10:132
644962994829,12cyclictest311ktimers/220:25:152
644962994819,16cyclictest311ktimers/219:15:182
644960994839,5cyclictest664739-21munin-plugin-st21:05:001
64495899486,36cyclictest131ktimers/022:15:010
644958994841,3cyclictest0-21swapper/023:55:120
644958994840,6cyclictest0-21swapper/000:20:000
644958994840,4cyclictest21050irq/252-8000000.ethernet21:15:220
644958994840,2cyclictest0-21swapper/020:10:010
644958994839,5cyclictest131ktimers/019:35:140
644958994835,8cyclictest648480-21grep19:25:290
644962994743,2cyclictest0-21swapper/221:20:022
644962994730,13cyclictest311ktimers/220:45:162
644962994729,14cyclictest311ktimers/222:35:122
644962994726,16cyclictest311ktimers/200:15:152
64496099471,8cyclictest0-21swapper/121:10:021
644958994739,4cyclictest21050irq/252-8000000.ethernet22:00:280
644958994739,4cyclictest21050irq/252-8000000.ethernet22:00:270
644958994738,4cyclictest21050irq/252-8000000.ethernet23:45:200
644958994738,2cyclictest0-21swapper/022:25:150
644958994734,7cyclictest15-21rcuc/023:45:010
644962994628,12cyclictest311ktimers/220:15:122
644958994630,13cyclictest0-21swapper/023:15:010
644962994533,8cyclictest0-21swapper/223:34:592
644962994529,10cyclictest311ktimers/223:35:152
644962994528,12cyclictest311ktimers/223:45:172
644958994539,2cyclictest645666-21grep19:10:290
644958994538,4cyclictest21050irq/252-8000000.ethernet21:25:290
644958994537,4cyclictest21050irq/252-8000000.ethernet23:50:230
644958994537,4cyclictest21050irq/252-8000000.ethernet00:25:280
644958994537,4cyclictest21050irq/252-8000000.ethernet00:25:270
644958994536,4cyclictest15-21rcuc/022:45:310
644962994428,11cyclictest311ktimers/222:05:142
644958994437,4cyclictest21050irq/252-8000000.ethernet23:20:270
644958994436,4cyclictest21050irq/252-8000000.ethernet23:30:160
644958994436,4cyclictest21050irq/252-8000000.ethernet21:20:140
644958994432,9cyclictest0-21swapper/022:40:290
644958994432,9cyclictest0-21swapper/022:40:290
64495899443,21cyclictest12-21ksoftirqd/023:05:000
644958994336,4cyclictest21050irq/252-8000000.ethernet20:25:260
644958994334,5cyclictest0-21swapper/000:10:290
644958994333,6cyclictest685941-21grep23:05:290
644958994333,6cyclictest15-21rcuc/020:45:190
644958994332,7cyclictest656080-21unixbench_multi20:10:310
644958994321,20cyclictest0-21swapper/019:40:220
644962994229,9cyclictest0-21swapper/223:10:292
644962994229,9cyclictest0-21swapper/223:10:292
644962994225,11cyclictest311ktimers/223:20:122
644962994223,13cyclictest311ktimers/219:30:142
64496099424,24cyclictest22-21rcuc/123:05:001
64496099421,4cyclictest0-21swapper/122:25:001
644958994236,3cyclictest21050irq/252-8000000.ethernet20:50:150
644958994235,4cyclictest21050irq/252-8000000.ethernet21:10:210
644958994232,7cyclictest15-21rcuc/019:30:210
644962994115,18cyclictest311ktimers/200:20:152
644960994127,7cyclictest0-21swapper/119:15:211
64496099411,9cyclictest0-21swapper/121:45:011
644958994134,4cyclictest21050irq/252-8000000.ethernet20:40:170
644958994134,4cyclictest15-21rcuc/021:35:200
644958994134,3cyclictest0-21swapper/021:05:300
644958994132,2cyclictest0-21swapper/022:35:110
644958994131,7cyclictest15-21rcuc/019:55:260
644958994125,14cyclictest0-21swapper/020:35:190
644962994031,5cyclictest655346-21munin-plugin-st20:10:002
644962994031,5cyclictest0-21swapper/223:05:302
644962994024,11cyclictest311ktimers/219:10:122
644962994022,13cyclictest311ktimers/200:05:132
644962994022,12cyclictest0-21swapper/222:45:292
644960994030,5cyclictest0-21swapper/121:20:311
644960994028,6cyclictest0-21swapper/123:30:281
644960994027,8cyclictest0-21swapper/122:05:301
644960994026,10cyclictest0-21swapper/120:25:281
644958994034,3cyclictest21050irq/252-8000000.ethernet22:15:220
644962993927,8cyclictest678275-21grep22:20:292
644962993925,9cyclictest0-21swapper/219:20:292
644962993921,12cyclictest0-21swapper/221:25:292
64496299391,21cyclictest0-21swapper/200:05:012
644960993932,4cyclictest650272-21munin-plugin-st19:40:001
644960993913,9cyclictest662309-21/usr/sbin/munin20:50:191
644958993934,2cyclictest0-21swapper/021:45:290
644958993934,2cyclictest0-21swapper/021:45:290
64495899391,32cyclictest0-21swapper/023:25:160
644962993831,5cyclictest0-21swapper/221:45:022
644962993831,5cyclictest0-21swapper/221:45:012
644962993827,6cyclictest654407-21grep20:00:322
644962993826,6cyclictest0-21swapper/223:55:282
644962993821,12cyclictest311ktimers/220:40:172
64496299381,12cyclictest30-21rcuc/221:45:022
644960993827,6cyclictest677358-21grep22:15:311
644958993833,2cyclictest0-21swapper/022:55:200
644958993833,2cyclictest0-21swapper/022:55:190
644958993831,5cyclictest12-21ksoftirqd/021:55:220
64495899382,9cyclictest0-21swapper/020:05:010
644958993825,9cyclictest673033-21cut21:50:280
644958993823,5cyclictest15-21rcuc/000:25:010
644962993730,4cyclictest664640-21grep21:00:302
644962993727,5cyclictest660363-21grep20:35:292
644960993723,9cyclictest0-21swapper/119:40:221
64496099371,2cyclictest0-21swapper/121:50:011
64496099371,2cyclictest0-21swapper/121:50:011
64495899373,7cyclictest0-21swapper/019:50:220
644958993731,3cyclictest15-21rcuc/000:05:300
644958993729,5cyclictest15-21rcuc/023:35:110
64495899371,33cyclictest0-21swapper/019:15:030
644962993629,4cyclictest684241-21sh23:00:002
644962993629,4cyclictest684241-21sh23:00:002
644962993626,7cyclictest0-21swapper/219:35:312
644962993625,6cyclictest689336-21grep23:25:312
644962993620,12cyclictest311ktimers/221:10:142
644962993619,12cyclictest0-21swapper/223:55:002
644960993630,4cyclictest651958-21cron19:50:001
644960993628,5cyclictest0-21swapper/123:55:281
644960993626,5cyclictest0-21swapper/122:25:161
644960993625,8cyclictest0-21swapper/123:25:011
644960993623,10cyclictest0-21swapper/123:15:211
64496099361,3cyclictest668983-21unixbench_singl21:25:291
64496099361,2cyclictest0-21swapper/119:30:011
644958993630,4cyclictest15-21rcuc/021:00:240
644958993629,4cyclictest15-21rcuc/019:45:190
644958993629,4cyclictest131ktimers/020:15:180
644962993528,4cyclictest691892-21head23:40:322
644960993527,5cyclictest0-21swapper/123:45:001
644962993423,6cyclictest0-21swapper/219:50:302
644962993422,9cyclictest0-21swapper/222:50:302
64496299341,2cyclictest0-21swapper/222:45:012
64496299341,2cyclictest0-21swapper/222:45:012
64496299340,27cyclictest647946-21/usr/sbin/munin19:25:192
64496099346,11cyclictest670083-21/usr/sbin/munin21:35:191
644960993426,4cyclictest168350irq/126-8000000.ethernet-tx120:20:011
644960993426,4cyclictest168350irq/126-8000000.ethernet-tx119:10:171
644960993426,3cyclictest0-21swapper/122:30:281
644960993425,5cyclictest674037-21unixbench_singl21:55:311
644960993423,5cyclictest0-21swapper/119:30:231
644960993422,8cyclictest0-21swapper/120:05:311
64496099341,4cyclictest0-21swapper/119:10:001
64496099341,2cyclictest0-21swapper/100:25:011
644962993322,7cyclictest0-21swapper/220:10:232
644962993321,8cyclictest0-21swapper/221:05:302
64496099333,2cyclictest0-21swapper/100:15:011
644960993326,4cyclictest47-21kauditd00:20:001
644960993324,5cyclictest691020-21unixbench_singl23:35:281
644960993320,8cyclictest0-21swapper/122:50:271
64496099331,5cyclictest0-21swapper/100:10:011
64496099331,4cyclictest0-21swapper/119:25:011
644960993314,10cyclictest0-21swapper/122:50:001
644962993225,4cyclictest0-21swapper/200:25:282
644962993225,4cyclictest0-21swapper/200:25:282
644962993222,7cyclictest0-21swapper/221:55:302
644962993221,8cyclictest670083-21/usr/sbin/munin21:35:162
64496299321,29cyclictest0-21swapper/220:55:182
64496299321,28cyclictest311ktimers/220:51:192
644960993222,7cyclictest699827-21/usr/sbin/munin00:30:241
644960993220,7cyclictest0-21swapper/120:05:001
644962993123,6cyclictest650484-21/usr/sbin/munin19:40:292
644962993121,7cyclictest0-21swapper/222:35:022
644960993125,3cyclictest0-21swapper/120:10:211
644960993124,4cyclictest686561-21phc2sys23:10:251
644960993124,4cyclictest686561-21phc2sys23:10:251
644960993124,4cyclictest0-21swapper/119:55:271
644960993120,5cyclictest0-21swapper/120:30:271
644960993118,6cyclictest0-21swapper/121:20:021
64496099311,5cyclictest0-21swapper/122:45:021
64496099311,5cyclictest0-21swapper/122:45:021
64496099311,2cyclictest0-21swapper/119:55:001
644960993111,9cyclictest661468-21/usr/sbin/munin20:45:211
644958993123,5cyclictest15-21rcuc/019:10:000
64496299301,5cyclictest30-21rcuc/220:20:252
644960993022,4cyclictest0-21swapper/123:25:261
644960993020,6cyclictest0-21swapper/120:35:181
644960993018,8cyclictest0-21swapper/122:00:311
644960993018,8cyclictest0-21swapper/122:00:311
64496099296,12cyclictest685384-21/usr/sbin/munin23:05:191
64496099292,4cyclictest275-21systemd-journal20:42:531
644960992922,4cyclictest0-21swapper/121:50:281
644960992921,5cyclictest675997-21/usr/sbin/munin22:10:161
644960992916,6cyclictest680221-21apt-get22:35:171
644962992822,4cyclictest168450irq/134-8000000.ethernet-tx219:45:272
644962992819,6cyclictest667630-21df21:20:192
644960992819,6cyclictest22-21rcuc/122:55:301
644960992819,6cyclictest22-21rcuc/122:55:301
64496299271,4cyclictest0-21swapper/222:12:502
644960992720,4cyclictest0-21swapper/123:50:291
644960992718,6cyclictest231ktimers/120:20:161
644960992617,7cyclictest231ktimers/121:30:221
644960992617,7cyclictest231ktimers/121:30:221
644960992615,6cyclictest692143-21apt-get23:45:141
644962992517,6cyclictest0-21swapper/219:55:302
644962992516,7cyclictest311ktimers/200:35:152
644962992514,9cyclictest14-21rcu_preempt19:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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