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2025-12-09 - 11:47

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 Tue Dec 09, 2025 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181212997265,3cyclictest0-21swapper/021:05:120
181212996714,8cyclictest190753-21apt-get20:05:020
181212996714,8cyclictest190753-21apt-get20:05:020
181212996448,9cyclictest212306-21unixbench_multi22:05:290
18121299616,26cyclictest0-21swapper/019:25:020
181215995822,29cyclictest228314-21ptp4l23:40:272
181212995650,3cyclictest0-21swapper/019:30:290
181212995546,5cyclictest21050irq/252-8000000.ethernet20:30:010
181213995448,4cyclictest22-21rcuc/120:25:021
18121299543,5cyclictest205374-21wc21:25:270
181212995346,2cyclictest0-21swapper/022:30:170
181212995325,21cyclictest0-21swapper/021:20:010
181215995135,10cyclictest0-21swapper/219:40:012
181215995135,10cyclictest0-21swapper/219:40:012
181213995138,8cyclictest0-21swapper/122:10:301
181213995138,8cyclictest0-21swapper/122:10:291
18121299512,9cyclictest0-21swapper/020:00:010
181215995031,14cyclictest311ktimers/223:05:162
181212995042,4cyclictest21050irq/252-8000000.ethernet19:10:320
181215994936,8cyclictest0-21swapper/223:00:272
181212994941,4cyclictest0-21swapper/019:35:280
181212994941,4cyclictest0-21swapper/019:35:280
181212994936,10cyclictest218409-21sh22:45:000
181212994923,14cyclictest131ktimers/019:50:130
181212994923,14cyclictest131ktimers/019:50:130
181212994920,23cyclictest0-21swapper/020:55:190
181212994920,23cyclictest0-21swapper/020:55:190
181215994836,8cyclictest213787-21grep22:15:272
181213994840,5cyclictest231151-21munin-plugin-st00:00:011
181213994837,7cyclictest189058-21munin-plugin-st19:55:011
181213994837,7cyclictest189058-21munin-plugin-st19:55:011
18121299487,5cyclictest0-21swapper/022:20:010
181212994841,3cyclictest208306-21latency_hist21:45:010
181215994736,5cyclictest0-21swapper/219:15:012
18121399476,9cyclictest238015-21lockfile-remove00:40:001
181213994728,12cyclictest231ktimers/119:30:131
181212994740,4cyclictest21050irq/252-8000000.ethernet23:35:290
181212994740,4cyclictest21050irq/252-8000000.ethernet23:35:290
181212994739,5cyclictest21050irq/252-8000000.ethernet22:00:220
181212994739,4cyclictest21050irq/252-8000000.ethernet21:30:170
181212994739,4cyclictest21050irq/252-8000000.ethernet00:35:290
181212994739,4cyclictest0-21swapper/023:20:130
181212994739,4cyclictest0-21swapper/023:20:130
18121299471,5cyclictest0-21swapper/022:00:000
18121599464,28cyclictest201247-21apt-get21:05:012
181213994633,8cyclictest0-21swapper/121:40:281
181213994625,12cyclictest0-21swapper/122:25:291
181212994639,4cyclictest21050irq/252-8000000.ethernet20:50:000
181212994639,4cyclictest21050irq/252-8000000.ethernet19:25:280
181212994638,4cyclictest21050irq/252-8000000.ethernet23:40:180
181212994638,4cyclictest21050irq/252-8000000.ethernet23:15:260
181212994638,4cyclictest21050irq/252-8000000.ethernet00:00:170
181213994538,4cyclictest207336-21sendmail21:39:591
181213994536,6cyclictest225055-21unixbench_multi23:20:291
181213994536,6cyclictest225055-21unixbench_multi23:20:291
181213994535,5cyclictest195153-21munin-plugin-st20:30:011
181213994530,8cyclictest0-21swapper/100:10:301
181213994528,9cyclictest0-21swapper/119:55:291
181212994539,3cyclictest21050irq/252-8000000.ethernet19:40:160
181212994538,4cyclictest21050irq/252-8000000.ethernet22:10:310
181212994538,4cyclictest21050irq/252-8000000.ethernet22:10:310
181212994538,4cyclictest21050irq/252-8000000.ethernet21:45:180
181212994538,4cyclictest21050irq/252-8000000.ethernet20:30:170
181212994538,3cyclictest21050irq/252-8000000.ethernet23:35:010
181212994537,4cyclictest21050irq/252-8000000.ethernet22:25:010
181212994537,4cyclictest21050irq/252-8000000.ethernet20:05:010
181212994537,4cyclictest21050irq/252-8000000.ethernet19:50:010
181212994534,7cyclictest221064-21latency_hist23:00:020
181215994412,3cyclictest0-21swapper/222:05:232
181213994432,8cyclictest0-21swapper/122:15:261
181213994431,8cyclictest0-21swapper/119:15:301
181213994429,9cyclictest0-21swapper/121:00:321
181212994438,3cyclictest0-21swapper/022:30:010
181212994435,5cyclictest0-21swapper/019:15:030
18121299441,32cyclictest0-21swapper/022:50:140
181215994311,10cyclictest196077-21apt-get20:35:012
18121399437,29cyclictest191330-21kernelversion20:05:251
181213994338,2cyclictest0-21swapper/120:10:261
181213994334,6cyclictest0-21swapper/121:55:001
181213994331,8cyclictest0-21swapper/121:20:011
181213994330,9cyclictest0-21swapper/122:50:321
181213994322,12cyclictest0-21swapper/122:35:311
181213994312,27cyclictest231ktimers/123:50:001
181212994337,4cyclictest21050irq/252-8000000.ethernet21:00:250
181212994337,3cyclictest0-21swapper/000:25:220
181212994336,4cyclictest21050irq/252-8000000.ethernet20:10:170
181212994336,4cyclictest0-21swapper/020:45:010
181212994336,4cyclictest0-21swapper/020:45:010
181215994236,4cyclictest226001-21cron23:30:002
181213994230,8cyclictest0-21swapper/121:25:291
181213994230,8cyclictest0-21swapper/119:35:291
181213994230,8cyclictest0-21swapper/119:35:281
181213994230,7cyclictest0-21swapper/120:40:291
181213994230,7cyclictest0-21swapper/120:40:281
181213994230,7cyclictest0-21swapper/100:25:301
181213994227,10cyclictest0-21swapper/123:30:281
181213994225,10cyclictest0-21swapper/121:05:301
18121299423,8cyclictest0-21swapper/021:25:010
18121299421,35cyclictest0-21swapper/021:15:010
181215994129,7cyclictest217460-21grep22:35:312
181215994127,8cyclictest0-21swapper/223:20:302
181215994127,8cyclictest0-21swapper/223:20:302
181215994110,5cyclictest30-21rcuc/223:55:022
181213994133,4cyclictest0-21swapper/100:30:291
181213994129,8cyclictest0-21swapper/123:00:271
181213994127,9cyclictest0-21swapper/119:25:271
181213994127,7cyclictest0-21swapper/122:45:291
181213994126,8cyclictest0-21swapper/122:20:281
181212994137,2cyclictest0-21swapper/000:20:010
181212994135,4cyclictest0-21swapper/023:00:240
181212994134,4cyclictest21050irq/252-8000000.ethernet00:20:170
181212994133,4cyclictest21250irq/208-8000000.ethernet22:35:280
181212994132,4cyclictest0-21swapper/021:35:200
18121299411,4cyclictest0-21swapper/023:05:140
18121299411,4cyclictest0-21swapper/019:10:000
181215994028,8cyclictest208105-21grep21:40:292
181215994027,9cyclictest0-21swapper/220:10:302
181215994024,10cyclictest0-21swapper/220:55:312
181215994024,10cyclictest0-21swapper/220:55:312
181213994031,6cyclictest0-21swapper/100:20:291
181213994029,7cyclictest0-21swapper/120:50:281
181213994028,8cyclictest0-21swapper/121:55:291
181213994027,8cyclictest0-21swapper/119:20:281
181213994026,7cyclictest0-21swapper/123:05:291
181213994024,11cyclictest0-21swapper/100:15:221
18121399402,32cyclictest0-21swapper/122:00:291
181212994036,2cyclictest0-21swapper/023:55:160
181212994033,4cyclictest0-21swapper/020:50:150
181215993925,9cyclictest0-21swapper/222:25:302
181215993925,9cyclictest0-21swapper/222:20:292
181215993919,14cyclictest311ktimers/200:00:152
181213993927,9cyclictest0-21swapper/123:50:301
181213993927,8cyclictest0-21swapper/123:40:281
181213993926,8cyclictest0-21swapper/119:10:321
18121299393,4cyclictest232395-21fschecks_time00:05:230
18121299393,4cyclictest232395-21fschecks_time00:05:220
181212993932,4cyclictest21050irq/252-8000000.ethernet20:35:250
18121299392,3cyclictest0-21swapper/023:50:230
18121299391,36cyclictest0-21swapper/020:25:000
181215993826,8cyclictest0-21swapper/219:50:282
181215993826,8cyclictest0-21swapper/219:50:282
18121599382,11cyclictest229103-21/usr/sbin/munin23:45:272
181215993820,12cyclictest311ktimers/223:30:122
18121599381,28cyclictest0-21swapper/200:25:282
181213993830,4cyclictest0-21swapper/123:10:281
181213993821,8cyclictest0-21swapper/122:30:311
181212993828,4cyclictest0-21swapper/023:45:150
181215993729,4cyclictest0-21swapper/219:45:282
181215993728,5cyclictest0-21swapper/220:15:272
181213993726,7cyclictest0-21swapper/121:20:311
181213993725,7cyclictest0-21swapper/122:05:291
181213993722,10cyclictest0-21swapper/121:30:291
18121399371,4cyclictest0-21swapper/119:50:011
18121399371,29cyclictest220577-21kernelversion22:55:271
181212993731,4cyclictest0-21swapper/020:15:210
181215993627,5cyclictest0-21swapper/219:45:012
181215993627,5cyclictest0-21swapper/200:05:302
181215993627,5cyclictest0-21swapper/200:05:302
181215993626,7cyclictest0-21swapper/221:05:302
181215993626,5cyclictest0-21swapper/223:10:292
181215993625,6cyclictest0-21swapper/200:30:292
181215993624,9cyclictest0-21swapper/221:35:282
181215993621,8cyclictest0-21swapper/222:50:312
181215993617,11cyclictest0-21swapper/200:10:232
181213993629,4cyclictest0-21swapper/120:35:281
181213993626,7cyclictest209025-21munin-plugin-st21:50:011
181213993626,6cyclictest0-21swapper/120:00:291
181213993626,6cyclictest0-21swapper/120:00:291
181213993622,6cyclictest0-21swapper/120:15:281
181213993622,10cyclictest0-21swapper/119:40:301
18121399361,6cyclictest0-21swapper/122:45:021
181212993631,3cyclictest0-21swapper/021:50:200
181212993631,3cyclictest0-21swapper/000:30:240
181212993630,4cyclictest0-21swapper/022:45:180
181212993630,3cyclictest222898-21diskstats23:10:200
181215993525,5cyclictest0-21swapper/221:35:022
181215993524,6cyclictest0-21swapper/221:20:302
181215993524,5cyclictest0-21swapper/220:30:202
181215993516,13cyclictest311ktimers/223:55:152
181213993527,5cyclictest203026-21unixbench_multi21:10:321
181213993522,7cyclictest0-21swapper/123:25:221
181212993528,4cyclictest0-21swapper/023:25:270
181212993528,4cyclictest0-21swapper/000:10:150
181215993427,4cyclictest185681-21munin-run19:35:002
181215993424,5cyclictest0-21swapper/223:20:012
181215993422,8cyclictest311ktimers/220:20:142
18121599341,27cyclictest0-21swapper/220:50:182
18121399346,9cyclictest0-21swapper/120:45:201
18121399345,16cyclictest231364-21/usr/sbin/munin00:00:201
181213993423,7cyclictest0-21swapper/123:35:291
181213993423,7cyclictest0-21swapper/123:35:291
181213993422,8cyclictest224248-21grep23:15:301
181213993421,9cyclictest0-21swapper/120:30:291
18121599338,13cyclictest198067-21/usr/sbin/munin20:45:202
181215993325,4cyclictest0-21swapper/200:16:592
181215993324,5cyclictest211513-21grep22:00:282
181215993321,8cyclictest0-21swapper/219:25:282
181213993325,6cyclictest199747-21/usr/sbin/munin20:55:221
181213993325,6cyclictest199747-21/usr/sbin/munin20:55:211
181215993224,5cyclictest218306-21grep22:40:292
181215993224,4cyclictest0-21swapper/200:35:202
181215993223,4cyclictest0-21swapper/220:30:022
181215993220,9cyclictest311ktimers/221:10:172
181215993220,9cyclictest0-21swapper/222:00:012
18121599321,4cyclictest0-21swapper/220:45:002
18121599321,4cyclictest0-21swapper/220:45:002
181215993214,13cyclictest311ktimers/219:55:132
181215993123,5cyclictest0-21swapper/221:25:292
181215993118,8cyclictest0-21swapper/221:50:232
18121599311,4cyclictest190728-21users20:00:302
18121599311,4cyclictest190728-21users20:00:302
181215993110,15cyclictest168450irq/134-8000000.ethernet-tx221:15:292
18121599304,15cyclictest235314-21grep00:20:282
18121599303,4cyclictest206167-21kworker/2:0-events_long21:45:132
181215993018,7cyclictest0-21swapper/220:05:312
18121599301,6cyclictest0-21swapper/223:00:012
18121599301,26cyclictest0-21swapper/219:22:172
18121399304,15cyclictest232205-21/usr/sbin/munin00:05:211
18121399304,15cyclictest232205-21/usr/sbin/munin00:05:211
181215992914,11cyclictest311ktimers/222:45:122
181215992821,3cyclictest0-21swapper/223:40:002
181215992821,3cyclictest0-21swapper/223:40:002
181215992720,4cyclictest0-21swapper/219:15:212
181215992617,7cyclictest0-21swapper/222:30:302
181215992617,5cyclictest0-21swapper/222:10:222
181215992617,5cyclictest0-21swapper/222:10:222
181215992417,4cyclictest0-21swapper/219:10:002
181213992010,8cyclictest0-21swapper/119:10:011
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