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2026-07-11 - 07:39

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 11, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322994899941,45cyclictest3274457-21apt-get23:30:021
322994699693,62cyclictest3277036-21unixbench_singl23:40:290
3229948996810,27cyclictest3235256-21apt-get19:40:011
322994699642,51cyclictest0-21swapper/000:15:110
3229948996151,7cyclictest0-21swapper/119:25:011
322995099607,22cyclictest0-21swapper/222:40:012
3229946996050,5cyclictest20850irq/208-8000000.ethernet21:10:280
3229950995749,4cyclictest3285527-21munin-plugin-st00:35:012
3229950995729,24cyclictest880-21avahi-daemon00:00:002
3229950995643,10cyclictest3283850-21munin-plugin-st00:25:012
3229948995542,8cyclictest3252542-21/usr/sbin/munin21:20:181
322994699552,49cyclictest0-21swapper/020:30:200
322994899531,15cyclictest0-21swapper/121:05:021
3229946995347,4cyclictest0-21swapper/021:55:020
3229950995141,5cyclictest3230752-21munin-plugin-st19:15:002
322994699513,13cyclictest3217289-21kworker/0:1+events22:25:010
3229946995044,3cyclictest0-21swapper/022:45:270
322994699501,8cyclictest0-21swapper/023:35:000
3229946994934,10cyclictest0-21swapper/019:15:280
3229950994830,12cyclictest3239563-21grep20:00:282
3229948994840,5cyclictest3238814-21munin-plugin-st20:00:001
322994899482,17cyclictest0-21swapper/100:25:011
322994699489,36cyclictest0-21swapper/019:45:210
322994699482,40cyclictest3238747-21grep19:55:290
3229946994822,8cyclictest3285524-21apt-get00:35:010
322994699482,28cyclictest3238105-21latency_hist19:55:010
3229946994820,25cyclictest3245238-21/usr/sbin/munin20:35:250
3229950994734,8cyclictest0-21swapper/222:00:282
3229948994734,9cyclictest0-21swapper/119:10:271
322995099466,17cyclictest3259347-21gpg-connect-age22:00:012
3229950994635,7cyclictest3268548-21munin-plugin-st22:55:002
3229950994631,10cyclictest0-21swapper/221:35:282
322994699469,12cyclictest12-21ksoftirqd/021:35:010
3229946994639,5cyclictest0-21swapper/023:55:150
3229946994636,7cyclictest3264244-21unixbench_multi22:25:250
3229946994631,10cyclictest0-21swapper/020:20:280
322994699461,2cyclictest0-21swapper/023:50:000
3229950994532,8cyclictest0-21swapper/219:50:282
3229948994529,11cyclictest0-21swapper/119:45:001
322994699456,3cyclictest3279888-21df_inode00:00:170
322994699456,35cyclictest3252224-21grep21:15:300
322994699456,35cyclictest3252224-21grep21:15:290
322994699456,34cyclictest3239569-21grep20:00:280
3229946994537,2cyclictest0-21swapper/019:20:210
3229950994431,8cyclictest0-21swapper/220:40:302
3229950994428,10cyclictest0-21swapper/223:45:282
3229950994423,13cyclictest0-21swapper/221:05:292
322994899444,31cyclictest0-21swapper/121:40:281
3229948994437,4cyclictest3234373-21unixbench_singl19:30:311
3229948994436,5cyclictest0-21swapper/100:20:011
3229948994432,7cyclictest3239669-21munin-plugin-st20:05:001
322994699449,16cyclictest3285524-21apt-get00:35:010
322994699444,4cyclictest3261322-21ssh22:10:200
3229946994438,3cyclictest3249286-21fschecks_time21:00:210
3229946994438,3cyclictest3236200-21apt-get19:45:010
3229946994436,5cyclictest20850irq/208-8000000.ethernet20:30:000
3229946994436,4cyclictest20850irq/208-8000000.ethernet20:20:000
322994699442,11cyclictest3255393-21phc2sys21:35:250
3229950994330,9cyclictest0-21swapper/200:00:292
3229950994330,8cyclictest0-21swapper/221:40:272
3229950994330,8cyclictest0-21swapper/220:20:002
3229950994329,6cyclictest0-21swapper/223:15:292
3229950994326,12cyclictest0-21swapper/219:15:042
322994699432,4cyclictest3234078-21meminfo19:30:270
3229946994324,12cyclictest0-21swapper/020:50:000
322994699430,40cyclictest3250008-21cpu21:05:150
3229950994231,7cyclictest0-21swapper/223:25:262
3229950994231,7cyclictest0-21swapper/222:05:292
3229950994231,6cyclictest0-21swapper/220:50:282
3229950994231,6cyclictest0-21swapper/220:50:272
3229950994229,9cyclictest0-21swapper/223:05:282
3229950994228,9cyclictest0-21swapper/223:50:282
3229950994228,9cyclictest0-21swapper/222:20:302
3229950994228,9cyclictest0-21swapper/222:10:292
3229950994223,15cyclictest311ktimers/221:20:112
3229950994221,9cyclictest0-21swapper/222:30:282
3229950994221,9cyclictest0-21swapper/222:30:282
3229948994236,4cyclictest3248939-21cron20:59:591
322994699424,8cyclictest0-21swapper/022:00:020
3229946994233,4cyclictest3253257-21latency_hist21:25:000
3229946994221,19cyclictest20650irq/252-8000000.ethernet22:15:140
3229946994216,24cyclictest3265497-21/usr/sbin/munin22:35:200
3229946994214,3cyclictest3234680-21df_inode19:35:170
322994699421,32cyclictest0-21swapper/023:55:010
3229950994130,8cyclictest0-21swapper/222:45:002
3229950994130,7cyclictest0-21swapper/220:25:282
3229950994129,7cyclictest0-21swapper/221:30:322
3229950994126,9cyclictest0-21swapper/220:45:202
322994899412,9cyclictest0-21swapper/121:20:011
322994899412,9cyclictest0-21swapper/121:20:011
3229948994125,10cyclictest0-21swapper/120:40:201
3229948994120,14cyclictest0-21swapper/121:55:001
322994899411,10cyclictest0-21swapper/123:25:011
322994699415,34cyclictest0-21swapper/022:50:260
3229946994137,2cyclictest0-21swapper/023:20:240
3229946994134,4cyclictest167350irq/118-8000000.ethernet-tx022:30:260
3229946994134,4cyclictest167350irq/118-8000000.ethernet-tx022:30:250
322994699412,4cyclictest3266866-21munin-run22:45:010
3229946994117,5cyclictest3260616-21memory22:05:260
3229946994114,12cyclictest12-21ksoftirqd/000:30:000
3229950994028,8cyclictest0-21swapper/223:10:272
3229950994028,8cyclictest0-21swapper/223:10:272
3229950994028,8cyclictest0-21swapper/221:15:292
3229950994028,8cyclictest0-21swapper/221:15:292
3229950994027,9cyclictest0-21swapper/223:20:282
3229950994026,9cyclictest0-21swapper/200:35:292
3229950994026,7cyclictest0-21swapper/223:00:312
322994699405,3cyclictest0-21swapper/021:30:010
3229946994033,4cyclictest0-21swapper/019:10:210
3229946994026,9cyclictest0-21swapper/019:25:290
322994699402,4cyclictest3272733-21users23:15:300
322994699401,4cyclictest3280839-21perl00:05:220
322994699401,37cyclictest0-21swapper/022:55:250
3229946994011,25cyclictest0-21swapper/023:30:000
3229950993930,5cyclictest3236225-21apt-config19:45:002
3229950993927,8cyclictest0-21swapper/223:30:292
3229950993926,9cyclictest0-21swapper/222:45:282
3229950993926,7cyclictest0-21swapper/200:25:292
3229948993926,9cyclictest3259109-21grep21:55:271
3229948993922,11cyclictest0-21swapper/122:20:291
3229948993910,14cyclictest3270441-21/usr/sbin/munin23:05:191
3229946993931,4cyclictest167350irq/118-8000000.ethernet-tx020:55:190
322994699391,36cyclictest3247944-21mailstats20:50:260
322994699391,36cyclictest3247944-21mailstats20:50:260
322994699391,36cyclictest0-21swapper/021:45:150
3229950993826,8cyclictest0-21swapper/221:10:272
3229950993826,8cyclictest0-21swapper/200:10:262
3229950993826,7cyclictest0-21swapper/221:50:262
3229950993825,8cyclictest0-21swapper/223:35:282
3229948993830,4cyclictest167450irq/126-8000000.ethernet-tx121:45:261
3229948993825,8cyclictest0-21swapper/121:30:301
322994899382,11cyclictest22-21rcuc/100:10:011
3229946993831,4cyclictest15-21rcuc/020:40:290
3229946993830,4cyclictest3275709-21sh23:35:180
3229946993824,10cyclictest0-21swapper/021:40:270
3229946993820,13cyclictest0-21swapper/022:00:130
322994699381,35cyclictest0-21swapper/023:10:130
322994699381,35cyclictest0-21swapper/023:10:120
322994699381,35cyclictest0-21swapper/020:05:150
322994699380,6cyclictest3270538-21ssh23:05:190
3229950993728,5cyclictest3249709-21grep21:00:292
3229950993723,10cyclictest0-21swapper/220:35:162
3229950993721,11cyclictest0-21swapper/222:25:182
3229948993728,5cyclictest0-21swapper/119:25:291
3229948993725,8cyclictest1660-21snmpd22:45:251
322994899371,10cyclictest0-21swapper/122:20:011
3229946993730,4cyclictest0-21swapper/000:10:120
322994699371,7cyclictest0-21swapper/019:10:010
3229948993624,6cyclictest0-21swapper/122:00:281
3229946993630,4cyclictest0-21swapper/000:20:110
3229950993524,8cyclictest0-21swapper/219:20:292
3229948993524,7cyclictest3242142-21grep20:15:291
3229948993519,9cyclictest0-21swapper/122:40:211
322994899351,4cyclictest0-21swapper/119:20:011
322994899351,32cyclictest3269601-21/usr/sbin/munin23:00:171
3229946993523,9cyclictest0-21swapper/023:00:300
3229946993519,11cyclictest0-21swapper/020:10:350
3229946993519,11cyclictest0-21swapper/020:10:350
3229950993426,4cyclictest3235205-21grep19:35:292
3229950993425,5cyclictest0-21swapper/220:05:222
3229950993423,7cyclictest0-21swapper/222:15:302
3229950993422,8cyclictest0-21swapper/220:25:002
3229948993421,9cyclictest0-21swapper/100:35:221
322994899341,4cyclictest0-21swapper/120:50:011
322994899341,30cyclictest3253913-21unixbench_multi21:25:291
322994899341,27cyclictest1660-21snmpd20:05:381
322995099338,9cyclictest3253381-21/usr/sbin/munin21:25:202
3229950993324,6cyclictest0-21swapper/223:40:302
3229950993324,5cyclictest0-21swapper/200:05:292
3229950993319,11cyclictest0-21swapper/220:10:342
3229950993319,11cyclictest0-21swapper/220:10:332
3229950993318,10cyclictest0-21swapper/220:30:202
3229948993322,8cyclictest0-21swapper/123:35:181
3229948993321,8cyclictest0-21swapper/122:25:261
3229948993320,9cyclictest0-21swapper/121:05:291
322994899331,3cyclictest0-21swapper/123:55:021
322994899331,2cyclictest0-21swapper/100:15:001
3229950993222,7cyclictest0-21swapper/200:20:012
3229948993226,4cyclictest0-21swapper/100:00:201
3229948993225,5cyclictest3236490-21/usr/sbin/munin19:45:261
3229948993224,5cyclictest0-21swapper/121:10:281
3229948993223,5cyclictest0-21swapper/100:00:011
3229948993222,7cyclictest3277284-21/usr/sbin/munin23:45:261
3229948993222,5cyclictest0-21swapper/121:35:201
3229950993123,5cyclictest3238768-21unixbench_singl19:55:282
3229950993120,7cyclictest0-21swapper/219:30:182
3229950993120,6cyclictest0-21swapper/219:50:012
322994899317,13cyclictest3261152-21/usr/sbin/munin22:10:181
3229948993124,4cyclictest0-21swapper/120:25:211
3229950993021,7cyclictest0-21swapper/221:00:012
3229950993020,6cyclictest0-21swapper/222:55:302
3229948993022,5cyclictest0-21swapper/120:50:271
3229948993022,5cyclictest0-21swapper/120:50:271
3229948993021,7cyclictest3267905-21/usr/sbin/munin22:50:161
3229948993018,8cyclictest3275390-21munin-plugin-st23:34:591
322994899301,4cyclictest3260615-21meminfo22:05:251
322994899301,23cyclictest0-21swapper/120:20:111
3229950992919,5cyclictest0-21swapper/221:50:012
3229950992918,5cyclictest0-21swapper/219:30:012
3229948992924,2cyclictest0-21swapper/120:30:201
3229948992922,5cyclictest0-21swapper/119:50:251
3229948992921,5cyclictest0-21swapper/100:30:291
3229948992919,7cyclictest3272658-21grep23:15:281
322994899286,13cyclictest3268744-21/usr/sbin/munin22:55:181
3229948992818,7cyclictest231ktimers/123:40:141
3229948992720,5cyclictest3240704-21/usr/sbin/munin20:10:281
3229948992720,5cyclictest3240704-21/usr/sbin/munin20:10:281
3229948992720,5cyclictest167450irq/126-8000000.ethernet-tx120:40:001
3229948992718,6cyclictest0-21swapper/100:25:281
3229948992713,12cyclictest231ktimers/122:30:171
3229948992713,12cyclictest231ktimers/122:30:161
3229948992519,3cyclictest0-21swapper/122:35:251
322995099239,10cyclictest0-21swapper/219:10:002
322994899237,12cyclictest0-21swapper/123:10:271
322994899237,12cyclictest0-21swapper/123:10:261
322994899181,10cyclictest3229959-21wc19:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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