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2026-05-20 - 12:14

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 Wed May 20, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3451599996728,5cyclictest3484900-21/usr/sbin/munin22:20:271
3451599996725,4cyclictest0-21swapper/100:15:221
3451599996433,27cyclictest3474049-21sendmail21:19:591
3451599996422,36cyclictest0-21swapper/120:10:011
3451599996228,28cyclictest231ktimers/100:20:181
3451599996128,28cyclictest0-21swapper/120:05:011
3451599996022,5cyclictest0-21swapper/123:10:191
3451599996019,9cyclictest0-21swapper/120:10:291
3451599995925,30cyclictest0-21swapper/119:54:591
3451599995724,5cyclictest0-21swapper/120:50:291
3451596995746,3cyclictest0-21swapper/023:05:180
345159699571,50cyclictest3494764-21latency_hist23:20:020
3451599995625,5cyclictest0-21swapper/100:05:341
3451599995624,5cyclictest0-21swapper/120:35:161
3451596995648,5cyclictest3463745-21munin-plugin-st20:20:010
3451601995546,5cyclictest0-21swapper/219:15:302
3451601995542,6cyclictest3498888-21kworker/u8:2-events_freezable_power_00:05:002
3451599995331,5cyclictest231ktimers/120:15:191
3451596995333,16cyclictest15-21rcuc/022:20:020
3451601995241,6cyclictest0-21swapper/221:30:022
3451596995244,5cyclictest167350irq/118-8000000.ethernet-tx022:30:120
3451596995145,3cyclictest0-21swapper/000:35:120
3451596995143,4cyclictest167350irq/118-8000000.ethernet-tx020:30:220
3451599995026,4cyclictest0-21swapper/121:50:291
3451599995026,4cyclictest0-21swapper/121:50:291
3451596995040,5cyclictest131ktimers/019:35:300
3451596995037,9cyclictest0-21swapper/020:20:290
345159699503,42cyclictest0-21swapper/023:30:270
3451599994934,9cyclictest0-21swapper/120:45:021
3451599994926,13cyclictest0-21swapper/122:00:221
3451596994841,4cyclictest167350irq/118-8000000.ethernet-tx019:45:170
345159699481,39cyclictest0-21swapper/020:10:210
3451596994739,5cyclictest167350irq/118-8000000.ethernet-tx021:15:240
3451601994630,12cyclictest311ktimers/220:25:142
3451596994639,4cyclictest0-21swapper/021:10:120
3451596994638,5cyclictest167350irq/118-8000000.ethernet-tx019:25:170
3451596994614,28cyclictest0-21swapper/023:35:200
345160199453,4cyclictest3487634-21unixbench_multi22:35:282
3451601994534,7cyclictest0-21swapper/222:20:012
3451601994533,8cyclictest3456022-21grep19:30:272
3451601994533,8cyclictest3456022-21grep19:30:272
3451601994519,14cyclictest3491961-21kworker/u8:2+events_power_efficient23:05:172
3451596994536,4cyclictest167350irq/118-8000000.ethernet-tx022:55:000
3451596994536,4cyclictest0-21swapper/022:10:000
3451596994534,8cyclictest0-21swapper/020:35:270
345159699452,39cyclictest0-21swapper/023:50:010
3451601994435,5cyclictest0-21swapper/200:10:292
3451601994425,13cyclictest311ktimers/223:40:112
3451601994423,9cyclictest0-21swapper/222:50:012
345160199442,39cyclictest0-21swapper/220:10:292
345160199441,35cyclictest3488490-21unixbench_multi22:40:282
3451596994437,4cyclictest167350irq/118-8000000.ethernet-tx021:54:590
3451596994437,4cyclictest167350irq/118-8000000.ethernet-tx021:54:590
3451596994437,4cyclictest167350irq/118-8000000.ethernet-tx020:25:160
3451601994333,7cyclictest3473988-21grep21:15:312
3451601994330,7cyclictest0-21swapper/222:05:232
3451601994324,11cyclictest0-21swapper/222:00:312
3451599994330,8cyclictest0-21swapper/122:25:291
3451596994331,7cyclictest0-21swapper/000:15:270
345159699431,37cyclictest0-21swapper/020:05:010
345159699431,16cyclictest3461482-21fschecks_time20:05:210
3451601994232,6cyclictest0-21swapper/223:50:282
3451601994231,5cyclictest0-21swapper/223:35:262
3451601994228,8cyclictest0-21swapper/219:50:012
3451601994228,6cyclictest0-21swapper/222:20:292
3451596994235,5cyclictest0-21swapper/021:55:180
3451596994235,4cyclictest20850irq/208-8000000.ethernet20:55:160
3451596994233,4cyclictest167350irq/118-8000000.ethernet-tx021:25:160
345159699421,4cyclictest3487840-21wc22:40:010
3451601994131,7cyclictest3471450-21unixbench_multi21:00:272
3451601994129,9cyclictest0-21swapper/219:35:292
3451599994130,7cyclictest3482591-21munin-plugin-st22:10:011
3451596994134,4cyclictest167350irq/118-8000000.ethernet-tx023:40:340
345159699413,3cyclictest3495806-21ssh23:25:210
3451596994132,5cyclictest0-21swapper/021:20:200
3451596994130,7cyclictest0-21swapper/022:10:270
345159699411,8cyclictest0-21swapper/019:15:000
345159699411,38cyclictest0-21swapper/019:40:120
345159699411,36cyclictest1660-21snmpd23:02:280
3451601994030,5cyclictest3467064-21grep20:35:292
3451601994030,5cyclictest0-21swapper/219:50:212
3451601994028,8cyclictest0-21swapper/200:35:302
3451601994028,7cyclictest0-21swapper/200:05:262
3451601994025,9cyclictest0-21swapper/222:50:292
3451601994024,9cyclictest0-21swapper/222:10:282
3451599994022,10cyclictest0-21swapper/119:20:281
3451596994033,5cyclictest0-21swapper/021:45:230
3451596994033,4cyclictest0-21swapper/023:55:210
3451596994033,4cyclictest0-21swapper/023:50:140
3451596994031,3cyclictest3506978-21cut00:30:190
3451596994028,8cyclictest0-21swapper/000:05:340
3451596994027,9cyclictest0-21swapper/000:00:310
345159699401,3cyclictest3470953-21ssh21:00:170
345159699401,2cyclictest0-21swapper/000:30:000
3451601993928,7cyclictest0-21swapper/221:35:292
3451601993928,7cyclictest0-21swapper/221:35:282
3451601993926,5cyclictest0-21swapper/220:40:192
3451601993926,10cyclictest311ktimers/221:05:122
3451599993927,8cyclictest0-21swapper/122:30:281
3451596993932,4cyclictest167350irq/118-8000000.ethernet-tx022:25:110
3451596993932,4cyclictest0-21swapper/020:50:230
3451596993922,15cyclictest0-21swapper/019:20:120
345159699391,4cyclictest0-21swapper/019:15:180
345159699391,3cyclictest3484841-21irqstats22:20:250
345159699391,35cyclictest0-21swapper/022:55:260
345159699391,35cyclictest0-21swapper/022:55:260
345159699391,2cyclictest0-21swapper/019:35:020
345159699391,2cyclictest0-21swapper/019:35:020
3451601993830,5cyclictest0-21swapper/200:30:302
3451601993830,4cyclictest0-21swapper/220:15:282
3451601993825,10cyclictest0-21swapper/223:25:292
3451599993810,23cyclictest3456260-21/usr/sbin/munin19:35:191
3451596993831,4cyclictest0-21swapper/019:54:130
3451596993826,8cyclictest0-21swapper/022:40:280
345159699382,5cyclictest3503791-21meminfo00:10:250
3451596993821,15cyclictest0-21swapper/023:20:130
345159699381,35cyclictest0-21swapper/019:55:570
345159699381,30cyclictest0-21swapper/019:10:010
3451601993728,6cyclictest3452290-21grep19:10:322
3451601993727,5cyclictest0-21swapper/219:55:262
3451601993724,4cyclictest0-21swapper/223:55:182
3451601993718,11cyclictest0-21swapper/219:10:022
345160199371,32cyclictest3479945-21unixbench_multi21:50:292
345160199371,32cyclictest3479945-21unixbench_multi21:50:282
345160199371,32cyclictest3461069-21unixbench_singl20:00:292
3451599993728,5cyclictest0-21swapper/123:30:011
3451599993727,5cyclictest0-21swapper/123:55:251
3451599993726,5cyclictest0-21swapper/119:40:251
3451599993724,9cyclictest0-21swapper/120:30:211
3451599993723,9cyclictest0-21swapper/119:25:231
3451599993723,10cyclictest0-21swapper/121:30:011
3451596993731,4cyclictest0-21swapper/023:10:220
3451596993727,5cyclictest0-21swapper/021:35:270
3451596993727,5cyclictest0-21swapper/021:35:260
345159699371,34cyclictest0-21swapper/021:05:220
345160199363,25cyclictest0-21swapper/200:20:262
3451601993629,5cyclictest311ktimers/221:10:112
3451601993628,4cyclictest167550irq/134-8000000.ethernet-tx200:15:262
3451601993628,4cyclictest0-21swapper/219:25:162
3451601993626,6cyclictest0-21swapper/220:45:172
3451601993623,8cyclictest3496563-21/usr/sbin/munin23:30:112
3451601993622,8cyclictest0-21swapper/223:10:192
3451601993621,10cyclictest0-21swapper/219:45:002
3451601993618,13cyclictest311ktimers/220:55:112
3451599993629,5cyclictest3453450-21unixbench_singl19:15:291
3451599993626,6cyclictest0-21swapper/119:55:291
3451599993625,7cyclictest0-21swapper/119:45:281
3451599993624,9cyclictest0-21swapper/123:30:191
3451599993623,9cyclictest0-21swapper/122:15:271
3451599993613,13cyclictest3500675-21cat23:55:011
3451596993629,4cyclictest0-21swapper/020:40:140
345159699361,33cyclictest0-21swapper/021:34:450
3451601993529,4cyclictest0-21swapper/223:15:292
3451601993523,7cyclictest0-21swapper/223:05:012
3451601993521,9cyclictest3480847-21grep21:55:282
345160199351,5cyclictest3462145-21ls20:10:002
3451599993524,6cyclictest0-21swapper/122:40:251
3451599993523,8cyclictest0-21swapper/120:25:211
3451599993522,9cyclictest0-21swapper/121:45:001
3451599993521,10cyclictest0-21swapper/123:40:261
345159999351,28cyclictest3477452-21grep21:35:291
345159999351,28cyclictest3477452-21grep21:35:291
345159699353,6cyclictest1261-21rs:main0
345159699351,32cyclictest0-21swapper/021:40:580
3451601993424,6cyclictest3476623-21grep21:30:292
3451601993420,9cyclictest311ktimers/223:45:122
3451599993429,3cyclictest3480893-21sh21:59:591
3451599993425,5cyclictest3487659-21grep22:35:281
3451599993423,8cyclictest0-21swapper/100:14:591
345159999341,4cyclictest1-21systemd00:30:281
345159999340,11cyclictest0-21swapper/122:50:011
3451596993423,7cyclictest0-21swapper/000:20:300
345160199338,23cyclictest30-21rcuc/221:45:002
3451601993323,5cyclictest0-21swapper/221:45:312
3451601993320,7cyclictest0-21swapper/220:50:292
345160199331,27cyclictest0-21swapper/221:20:272
3451599993326,5cyclictest3451756-21/usr/sbin/munin19:10:321
3451596993319,8cyclictest3481669-21grep22:00:300
3451601993228,2cyclictest0-21swapper/222:30:222
3451601993223,6cyclictest0-21swapper/200:25:292
3451601993212,9cyclictest3465637-21/usr/sbin/munin20:30:202
3451599993225,4cyclictest3470890-21/usr/sbin/munin21:00:191
3451599993224,5cyclictest3506672-21apt00:30:001
3451599993224,4cyclictest0-21swapper/123:05:191
3451599993223,6cyclictest0-21swapper/122:55:271
3451599993223,6cyclictest0-21swapper/122:55:271
3451599993222,7cyclictest3455418-21/usr/sbin/munin19:30:251
3451599993222,7cyclictest3455418-21/usr/sbin/munin19:30:241
3451599993220,8cyclictest0-21swapper/123:35:281
3451599993215,11cyclictest0-21swapper/121:45:321
3451601993121,5cyclictest3495379-21grep23:20:292
345160199310,3cyclictest0-21swapper/223:00:022
345160199310,3cyclictest0-21swapper/223:00:022
3451599993124,4cyclictest0-21swapper/120:45:271
3451599993124,3cyclictest0-21swapper/123:05:011
3451599993123,4cyclictest0-21swapper/100:35:221
3451599993118,9cyclictest0-21swapper/123:15:311
3451599993116,11cyclictest0-21swapper/121:30:291
3451596993124,4cyclictest20850irq/208-8000000.ethernet22:45:230
345160199308,15cyclictest3463957-21/usr/sbin/munin20:20:182
345160199303,17cyclictest3485612-21fschecks_time22:25:202
3451599993023,5cyclictest0-21swapper/121:10:261
3451599993021,4cyclictest0-21swapper/122:10:271
3451599993019,8cyclictest0-21swapper/121:20:271
3451599992921,6cyclictest3502345-21dropbear00:01:211
3451599992921,6cyclictest3499639-21unixbench_multi23:45:291
3451599992817,8cyclictest0-21swapper/120:55:281
3451599992815,7cyclictest14-21rcu_preempt19:10:011
3451601992710,11cyclictest3454276-21grep19:20:272
3451599992616,7cyclictest0-21swapper/121:05:281
3451599992614,8cyclictest0-21swapper/123:20:251
3451599992516,7cyclictest3464367-21grep20:20:261
3451599992514,8cyclictest0-21swapper/122:50:291
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