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2026-08-12 - 07:46

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 Aug 12, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2061612996630,32cyclictest0-21swapper/022:05:270
2061612995427,24cyclictest2100331-21latency_hist22:55:000
2061616995336,10cyclictest0-21swapper/222:40:022
2061612995341,8cyclictest0-21swapper/000:40:020
2061615995241,7cyclictest2096775-21grep22:30:301
206161699511,30cyclictest0-21swapper/221:40:012
2061612995138,9cyclictest0-21swapper/022:20:000
2061616995037,9cyclictest2079854-21munin-plugin-st20:55:002
2061615995039,8cyclictest2063552-21sendmail19:20:001
2061616994931,14cyclictest0-21swapper/200:10:002
206161699491,25cyclictest0-21swapper/220:35:012
2061612994937,8cyclictest0-21swapper/022:00:000
2061612994936,9cyclictest0-21swapper/019:35:010
2061612994920,4cyclictest0-21swapper/000:15:010
206161299491,29cyclictest0-21swapper/000:35:010
206161699481,24cyclictest0-21swapper/200:20:012
2061616994736,7cyclictest2084931-21munin-plugin-st21:25:002
206161699471,19cyclictest0-21swapper/219:45:012
2061615994738,5cyclictest0-21swapper/120:45:301
2061612994739,5cyclictest2096828-21munin-plugin-st22:35:000
2061612994716,4cyclictest0-21swapper/020:55:290
2061612994711,33cyclictest0-21swapper/020:30:300
2061616994635,7cyclictest0-21swapper/200:40:012
2061616994628,10cyclictest0-21swapper/222:55:002
2061612994629,14cyclictest167350irq/118-8000000.ethernet-tx023:00:230
2061612994629,14cyclictest167350irq/118-8000000.ethernet-tx023:00:230
2061615994539,3cyclictest2078176-21munin-plugin-st20:45:001
2061615994532,8cyclictest0-21swapper/122:35:301
2061615994532,8cyclictest0-21swapper/100:20:291
2061612994534,8cyclictest0-21swapper/022:55:290
2061616994434,7cyclictest2111271-21sendmail00:00:002
2061616994432,8cyclictest0-21swapper/221:45:282
2061616994336,4cyclictest0-21swapper/220:45:002
2061616994333,5cyclictest2064286-21grep19:20:282
2061616994333,5cyclictest0-21swapper/223:40:222
2061616994333,5cyclictest0-21swapper/223:40:212
2061616994331,8cyclictest0-21swapper/223:20:002
2061616994330,8cyclictest0-21swapper/222:15:012
2061616994330,8cyclictest0-21swapper/220:25:302
2061616994327,9cyclictest0-21swapper/223:05:312
206161699432,20cyclictest0-21swapper/221:10:012
2061615994326,9cyclictest0-21swapper/120:35:001
2061615994311,26cyclictest0-21swapper/122:40:261
2061612994336,5cyclictest2063428-21unixbench_multi19:15:290
206161299433,5cyclictest0-21swapper/019:20:180
2061612994335,5cyclictest2111267-21grep00:00:000
2061612994327,10cyclictest0-21swapper/023:05:300
206161299431,36cyclictest0-21swapper/000:00:020
2061616994231,7cyclictest2081554-21munin-plugin-st21:05:002
2061616994230,7cyclictest0-21swapper/222:00:302
2061616994228,10cyclictest0-21swapper/200:30:292
206161699421,30cyclictest0-21swapper/220:10:012
2061615994233,4cyclictest0-21swapper/100:25:281
2061615994231,5cyclictest0-21swapper/100:15:211
2061615994230,7cyclictest2095880-21grep22:25:261
2061615994228,8cyclictest0-21swapper/120:20:001
2061612994232,6cyclictest0-21swapper/000:20:170
2061612994231,7cyclictest0-21swapper/020:00:240
2061612994229,8cyclictest0-21swapper/022:40:270
2061612994229,10cyclictest0-21swapper/023:25:300
206161299422,4cyclictest2107014-21users23:30:290
206161299421,6cyclictest2076848-21sh20:35:240
206161299421,6cyclictest2076848-21sh20:35:240
206161299421,39cyclictest0-21swapper/022:00:270
206161299421,36cyclictest2074992-21latency_hist20:25:010
2061616994134,4cyclictest0-21swapper/222:25:142
2061616994132,4cyclictest0-21swapper/223:50:282
2061616994129,8cyclictest0-21swapper/220:20:302
2061616994129,7cyclictest0-21swapper/220:10:192
2061616994128,9cyclictest2085659-21grep21:25:312
2061616994128,8cyclictest0-21swapper/223:00:282
2061616994128,8cyclictest0-21swapper/223:00:282
2061616994125,11cyclictest0-21swapper/219:50:262
2061615994133,4cyclictest0-21swapper/121:00:301
2061615994132,4cyclictest0-21swapper/122:50:011
2061615994132,4cyclictest0-21swapper/122:50:011
2061615994131,5cyclictest2111151-21grep23:55:311
2061615994129,7cyclictest2106101-21grep23:25:291
2061615994128,7cyclictest0-21swapper/120:05:361
2061615994128,4cyclictest0-21swapper/123:50:271
2061615994127,7cyclictest0-21swapper/119:30:281
2061615994126,9cyclictest0-21swapper/122:15:021
2061615994123,10cyclictest0-21swapper/119:20:291
2061612994129,8cyclictest0-21swapper/021:20:310
2061612994129,8cyclictest0-21swapper/019:10:280
206161299411,38cyclictest0-21swapper/021:35:180
206161299411,38cyclictest0-21swapper/020:45:280
206161299411,37cyclictest0-21swapper/023:10:260
2061616994028,6cyclictest0-21swapper/223:10:292
2061616994022,12cyclictest0-21swapper/222:50:012
2061616994022,12cyclictest0-21swapper/222:50:012
206161699401,11cyclictest0-21swapper/223:35:012
2061615994033,3cyclictest2095151-21munin-plugin-st22:25:001
2061615994029,7cyclictest0-21swapper/123:00:271
2061615994029,7cyclictest0-21swapper/123:00:271
2061615994028,9cyclictest231ktimers/119:55:131
2061615994028,8cyclictest0-21swapper/120:20:261
2061615994028,5cyclictest0-21swapper/119:40:291
2061615994027,9cyclictest0-21swapper/121:05:331
2061612994028,9cyclictest0-21swapper/020:10:290
2061612994028,8cyclictest0-21swapper/019:55:300
206161299401,37cyclictest0-21swapper/020:05:340
2061616993929,5cyclictest0-21swapper/219:15:022
2061616993926,9cyclictest0-21swapper/222:30:302
2061616993925,9cyclictest0-21swapper/219:35:292
2061616993925,9cyclictest0-21swapper/219:35:292
2061615993931,5cyclictest2079806-21grep20:50:291
2061615993930,5cyclictest2080645-21grep20:55:301
2061615993930,5cyclictest0-21swapper/121:30:281
2061615993929,5cyclictest0-21swapper/119:50:261
2061615993926,9cyclictest0-21swapper/100:00:311
2061612993932,4cyclictest2093361-21munin-plugin-st22:15:000
2061612993927,9cyclictest0-21swapper/019:45:280
2061612993925,10cyclictest0-21swapper/019:50:260
206161299391,36cyclictest0-21swapper/020:40:280
2061616993826,8cyclictest0-21swapper/219:15:292
2061616993824,6cyclictest0-21swapper/222:15:212
2061615993833,2cyclictest0-21swapper/121:15:011
2061615993828,5cyclictest0-21swapper/123:40:001
2061615993828,4cyclictest0-21swapper/123:50:001
2061615993825,10cyclictest0-21swapper/121:50:241
2061615993823,10cyclictest231ktimers/122:50:151
2061615993820,12cyclictest231ktimers/122:15:141
2061612993830,5cyclictest0-21swapper/023:15:260
2061612993829,6cyclictest2051700-1kworker/0:0H+mmc_complete19:10:010
2061612993827,8cyclictest0-21swapper/022:40:000
2061612993827,7cyclictest0-21swapper/023:20:290
2061612993826,9cyclictest0-21swapper/021:40:290
2061612993826,8cyclictest0-21swapper/021:30:220
2061612993826,8cyclictest0-21swapper/019:40:280
206161299381,5cyclictest0-21swapper/021:05:010
206161299381,4cyclictest2082666-21/usr/sbin/munin21:10:210
206161299381,3cyclictest0-21swapper/023:50:230
206161299381,35cyclictest0-21swapper/023:40:200
206161299381,35cyclictest0-21swapper/023:40:200
206161299381,35cyclictest0-21swapper/022:20:220
206161299381,35cyclictest0-21swapper/021:05:220
2061616993722,9cyclictest0-21swapper/221:55:292
2061615993728,4cyclictest0-21swapper/123:30:281
2061615993728,4cyclictest0-21swapper/119:40:011
2061615993728,4cyclictest0-21swapper/119:40:011
2061615993726,4cyclictest0-21swapper/120:05:011
2061615993722,11cyclictest231ktimers/123:40:141
2061615993722,11cyclictest231ktimers/123:40:141
2061615993720,9cyclictest0-21swapper/121:25:281
206161299378,26cyclictest2109282-21phc2sys-jitter23:45:280
2061612993730,4cyclictest20850irq/208-8000000.ethernet20:25:300
2061612993727,7cyclictest0-21swapper/020:15:300
2061612993727,7cyclictest0-21swapper/019:25:290
206161299372,28cyclictest2116288-21sed00:25:290
206161299371,4cyclictest0-21swapper/022:45:270
206161299371,4cyclictest0-21swapper/022:45:260
206161299371,34cyclictest0-21swapper/023:35:110
2061616993629,4cyclictest167550irq/134-8000000.ethernet-tx223:40:002
2061616993625,8cyclictest2084076-21munin-plugin-st21:20:002
2061616993624,8cyclictest0-21swapper/200:00:312
2061615993628,4cyclictest0-21swapper/119:10:011
2061615993627,4cyclictest0-21swapper/122:05:011
2061615993626,5cyclictest0-21swapper/120:10:311
2061615993624,8cyclictest0-21swapper/119:25:211
2061615993624,8cyclictest0-21swapper/100:10:191
2061615993624,7cyclictest0-21swapper/120:25:291
2061615993621,11cyclictest231ktimers/121:35:151
2061612993625,8cyclictest0-21swapper/000:15:300
206161299361,33cyclictest0-21swapper/021:50:220
206161299361,33cyclictest0-21swapper/021:45:190
206161299361,33cyclictest0-21swapper/020:50:250
2061616993528,4cyclictest167550irq/134-8000000.ethernet-tx223:20:262
2061616993526,5cyclictest0-21swapper/222:20:292
2061616993523,8cyclictest0-21swapper/220:15:302
2061616993523,8cyclictest0-21swapper/220:00:312
2061616993522,9cyclictest0-21swapper/220:55:292
2061616993522,8cyclictest0-21swapper/219:25:292
2061615993529,4cyclictest2068728-21grep19:45:281
2061615993526,5cyclictest2062362-21grep19:10:281
2061615993523,9cyclictest0-21swapper/123:15:271
206161299359,12cyclictest20850irq/208-8000000.ethernet22:25:160
2061612993529,4cyclictest20850irq/208-8000000.ethernet19:35:170
2061612993529,4cyclictest20850irq/208-8000000.ethernet19:35:170
2061612993524,7cyclictest0-21swapper/021:20:010
2061612993519,14cyclictest0-21swapper/000:09:170
2061616993426,4cyclictest0-21swapper/219:45:282
2061616993425,4cyclictest0-21swapper/200:25:302
2061616993423,7cyclictest0-21swapper/220:45:312
206161699341,28cyclictest0-21swapper/223:25:172
206161299341,4cyclictest0-21swapper/021:29:540
2061616993322,7cyclictest0-21swapper/219:55:302
2061616993322,7cyclictest0-21swapper/219:30:282
2061616993321,8cyclictest0-21swapper/221:10:302
2061616993320,9cyclictest0-21swapper/222:55:272
2061616993319,9cyclictest0-21swapper/222:40:272
206161599336,16cyclictest2084812-21grep21:20:311
2061615993323,6cyclictest2103563-21grep23:10:301
2061615993322,7cyclictest0-21swapper/100:35:291
2061615993319,7cyclictest2092427-21grep22:05:281
2061616993223,5cyclictest0-21swapper/223:45:302
2061616993220,9cyclictest0-21swapper/221:55:012
2061615993224,5cyclictest2117111-21grep00:30:281
2061616993119,9cyclictest0-21swapper/221:30:312
2061616993119,8cyclictest0-21swapper/220:35:312
2061616993119,8cyclictest0-21swapper/220:35:312
2061615993124,5cyclictest231ktimers/121:55:281
2061615993122,5cyclictest0-21swapper/121:20:011
206161599312,19cyclictest24-21ksoftirqd/120:35:141
206161599312,19cyclictest24-21ksoftirqd/120:35:141
2061615993120,6cyclictest0-21swapper/122:55:211
2061616993019,7cyclictest0-21swapper/200:20:292
2061615993021,5cyclictest0-21swapper/121:45:291
2061615993018,8cyclictest0-21swapper/100:05:261
206161599301,24cyclictest0-21swapper/121:40:111
2061616992918,8cyclictest0-21swapper/200:10:282
2061615992913,10cyclictest0-21swapper/123:05:211
2061615992911,12cyclictest0-21swapper/123:25:011
206161699281,6cyclictest0-21swapper/222:10:012
206161699260,16cyclictest0-21swapper/221:45:012
206161699164,5cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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