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2026-04-17 - 11:32

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 Fri Apr 17, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3664618997212,32cyclictest3688049-21/usr/sbin/munin21:25:161
366461599671,3cyclictest0-21swapper/022:20:190
3664615996544,4cyclictest0-21swapper/021:15:110
366461899634,18cyclictest0-21swapper/121:05:011
366461899632,24cyclictest3700031-21/usr/sbin/munin22:35:181
3664615996256,3cyclictest0-21swapper/019:10:090
3664615996113,6cyclictest3692315-21gpg-connect-age21:50:010
366461999607,41cyclictest3693281-21/usr/sbin/munin21:55:192
366461899594,19cyclictest0-21swapper/122:00:001
3664618995835,16cyclictest3710808-21munin-plugin-st23:40:011
366461599581,3cyclictest0-21swapper/020:25:180
3664618995721,28cyclictest3670393-21cut19:40:201
3664618995639,11cyclictest0-21swapper/122:40:101
3664618995635,11cyclictest0-21swapper/119:25:131
366461599565,26cyclictest0-21swapper/022:05:010
366461599561,7cyclictest0-21swapper/022:30:190
3664618995435,13cyclictest0-21swapper/123:15:141
3664618995433,14cyclictest0-21swapper/123:00:141
366461599544,21cyclictest15-21rcuc/020:40:000
3664618995336,13cyclictest3717210-21/usr/sbin/munin00:15:231
3664618995331,11cyclictest0-21swapper/123:30:101
3664615995343,4cyclictest0-21swapper/000:10:120
366461599531,4cyclictest0-21swapper/023:30:170
3664618995231,13cyclictest3702336-21/usr/sbin/munin22:45:291
3664618995225,19cyclictest3683425-21grep20:55:281
3664619995140,6cyclictest3673392-21run-parts20:00:002
366461899514,22cyclictest0-21swapper/119:15:001
3664618995130,13cyclictest3690263-21unixbench_multi21:35:281
3664615995143,5cyclictest3698996-21munin-plugin-st22:30:000
3664615995143,5cyclictest3698996-21munin-plugin-st22:30:000
366461599512,47cyclictest0-21swapper/020:00:000
3664618995036,10cyclictest0-21swapper/119:50:101
3664618995034,11cyclictest0-21swapper/123:55:141
3664618995030,11cyclictest3665775-21cut19:15:031
3664618995030,11cyclictest3665775-21cut19:15:031
3664618994936,9cyclictest0-21swapper/120:15:131
3664618994929,10cyclictest3686683-21/usr/sbin/munin21:15:271
3664618994923,17cyclictest0-21swapper/100:10:211
3664619994838,6cyclictest0-21swapper/220:40:002
3664618994830,10cyclictest3673265-21/usr/sbin/munin19:55:281
3664618994828,12cyclictest3706400-21/usr/sbin/munin23:10:271
3664615994821,8cyclictest0-21swapper/020:20:280
366461999471,38cyclictest3695513-21unixbench_multi22:05:282
366461899478,21cyclictest0-21swapper/100:30:021
3664618994733,9cyclictest0-21swapper/122:10:141
3664618994730,9cyclictest3719934-21/usr/sbin/munin00:30:231
3664618994730,12cyclictest0-21swapper/122:20:131
3664618994727,12cyclictest3691000-21/usr/sbin/munin21:40:261
3664618994727,12cyclictest3691000-21/usr/sbin/munin21:40:261
3664618994727,12cyclictest3685843-21/usr/sbin/munin21:10:251
3664618994726,13cyclictest3668748-21/usr/sbin/munin19:30:251
3664615994734,8cyclictest0-21swapper/021:35:250
3664615994733,9cyclictest0-21swapper/000:25:290
366461599471,10cyclictest0-21swapper/000:05:010
366461599471,10cyclictest0-21swapper/000:05:010
3664619994639,4cyclictest3685223-21munin-plugin-st21:09:592
3664618994636,7cyclictest274-21systemd-journal19:40:011
3664618994630,8cyclictest3679938-21/usr/sbin/munin20:35:271
3664618994629,9cyclictest3680878-21/usr/sbin/munin20:40:291
3664618994629,9cyclictest3680878-21/usr/sbin/munin20:40:291
3664618994628,9cyclictest3707823-21/usr/sbin/munin23:20:221
3664618994628,9cyclictest3707823-21/usr/sbin/munin23:20:211
3664618994627,11cyclictest3703677-21/usr/sbin/munin22:55:241
3664618994627,10cyclictest3715521-21fschecks_time00:05:201
3664618994626,12cyclictest3714558-21/usr/sbin/munin00:00:151
3664618994626,12cyclictest3714558-21/usr/sbin/munin00:00:151
3664618994622,16cyclictest3718500-21grep00:20:281
3664618994533,8cyclictest3699752-21grep22:30:291
3664618994530,10cyclictest3689324-21/usr/sbin/munin21:30:281
3664618994529,10cyclictest3677405-21cut20:20:261
3664618994525,11cyclictest3712905-21/usr/sbin/munin23:50:241
3664615994538,4cyclictest167350irq/118-8000000.ethernet-tx023:00:130
3664615994530,9cyclictest0-21swapper/023:15:280
366461599451,42cyclictest0-21swapper/023:35:260
3664619994430,8cyclictest0-21swapper/221:20:012
3664618994432,5cyclictest0-21swapper/121:45:111
3664618994426,12cyclictest0-21swapper/119:20:281
3664618994425,12cyclictest3674649-21/usr/sbin/munin20:05:211
3664618994423,11cyclictest3698613-21/usr/sbin/munin22:25:251
3664618994423,11cyclictest3698613-21/usr/sbin/munin22:25:251
3664618994418,20cyclictest3703155-21grep22:50:291
3664615994437,5cyclictest0-21swapper/022:55:110
3664615994436,5cyclictest3693084-21munin-plugin-st21:55:000
366461599442,40cyclictest3689025-21fschecks_time21:30:190
366461599441,2cyclictest0-21swapper/020:35:010
3664619994311,27cyclictest3670696-21tr19:40:272
3664618994329,8cyclictest0-21swapper/122:15:271
3664618994328,7cyclictest3694318-21/usr/sbin/munin22:00:201
3664618994328,12cyclictest3708840-21/usr/sbin/munin23:25:261
3664618994328,11cyclictest3720653-21/usr/sbin/munin00:35:171
3664618994328,10cyclictest3681203-21apt-get20:45:141
3664618994326,11cyclictest3682374-21phc2sys20:50:261
3664618994324,10cyclictest0-21swapper/120:00:151
3664618994322,18cyclictest3664626-21latency_hist19:10:001
3664618994320,15cyclictest3675347-21dropbear20:10:151
3664615994337,3cyclictest0-21swapper/000:40:010
366461599431,39cyclictest0-21swapper/023:55:120
366461999423,30cyclictest3694673-21unixbench_multi22:00:292
3664619994231,6cyclictest3665337-21grep19:10:272
3664619994230,8cyclictest3691275-21unixbench_singl21:40:272
3664619994230,8cyclictest3691275-21unixbench_singl21:40:272
3664619994230,8cyclictest1283-21cron21:04:592
3664619994222,10cyclictest0-21swapper/219:15:192
3664619994222,10cyclictest0-21swapper/219:15:192
3664618994233,6cyclictest3711145-21lsblk23:40:211
3664618994230,8cyclictest3692776-21cut21:50:261
3664618994229,9cyclictest3678156-21cut20:25:241
3664618994228,9cyclictest0-21swapper/123:05:111
3664618994222,14cyclictest3695522-21grep22:05:281
3664618994222,12cyclictest3671398-21/usr/sbin/munin19:45:261
3664618994222,12cyclictest3671398-21/usr/sbin/munin19:45:261
366461599423,8cyclictest3680966-21grep20:40:280
366461599423,8cyclictest3680966-21grep20:40:280
3664615994234,6cyclictest0-21swapper/019:40:160
3664615994230,8cyclictest0-21swapper/023:10:280
366461599421,38cyclictest0-21swapper/020:10:250
3664619994133,4cyclictest167550irq/134-8000000.ethernet-tx219:30:252
3664619994128,10cyclictest0-21swapper/222:20:292
3664619994126,8cyclictest3675004-21grep20:05:282
3664618994130,6cyclictest0-21swapper/123:45:111
3664618994127,10cyclictest3687219-21grep21:20:161
3664615994134,4cyclictest0-21swapper/023:45:270
3664615994130,8cyclictest0-21swapper/000:30:300
3664615994129,8cyclictest0-21swapper/023:25:290
3664615994128,8cyclictest0-21swapper/020:50:290
366461599411,5cyclictest3673849-21if_eth120:00:210
366461599411,4cyclictest3690735-21df21:40:170
366461599411,4cyclictest3690735-21df21:40:170
366461599411,3cyclictest0-21swapper/022:15:000
366461599411,37cyclictest0-21swapper/019:45:190
366461599411,37cyclictest0-21swapper/019:45:180
3664619994032,4cyclictest0-21swapper/220:10:252
3664619994029,8cyclictest0-21swapper/223:15:252
3664619994027,9cyclictest0-21swapper/219:50:282
3664619994025,11cyclictest3668137-21unixbench_multi19:25:262
366461999402,30cyclictest3679194-21grep20:30:292
366461999401,32cyclictest3716168-21/usr/sbin/munin00:10:302
3664618994028,8cyclictest3678911-21/usr/sbin/munin20:30:221
3664615994034,3cyclictest167350irq/118-8000000.ethernet-tx000:15:130
3664615994033,5cyclictest0-21swapper/023:05:150
3664615994030,7cyclictest0-21swapper/023:50:140
3664615994026,9cyclictest0-21swapper/022:00:290
366461599402,36cyclictest0-21swapper/022:45:170
3664615994023,14cyclictest3669377-21dpkg19:35:110
366461999394,3cyclictest3676702-21grep20:15:272
3664619993928,7cyclictest3704862-21grep23:00:292
3664619993927,9cyclictest3710161-21/usr/sbin/munin23:35:252
3664618993924,10cyclictest3684909-21phc2sys21:05:271
366461599394,4cyclictest0-21swapper/021:05:010
3664615993929,7cyclictest3672453-21grep19:50:270
366461599392,4cyclictest0-21swapper/021:00:010
366461599391,36cyclictest0-21swapper/023:20:160
366461599391,36cyclictest0-21swapper/023:20:160
366461599391,36cyclictest0-21swapper/019:25:230
3664619993830,4cyclictest167550irq/134-8000000.ethernet-tx222:30:292
3664619993830,4cyclictest0-21swapper/221:49:592
3664619993825,9cyclictest0-21swapper/222:10:292
3664619993825,8cyclictest3709928-21grep23:30:272
3664619993825,8cyclictest0-21swapper/223:20:212
3664619993825,8cyclictest0-21swapper/223:20:202
3664619993823,8cyclictest0-21swapper/221:10:282
366461999381,31cyclictest0-21swapper/219:35:232
3664615993832,4cyclictest20850irq/208-8000000.ethernet19:20:200
3664615993832,3cyclictest3666653-21latency_hist19:20:000
3664615993832,3cyclictest3666653-21latency_hist19:20:000
3664615993828,7cyclictest0-21swapper/000:05:280
3664615993827,8cyclictest0-21swapper/021:05:300
366461599381,5cyclictest0-21swapper/022:55:000
366461599381,3cyclictest3676972-21sed20:20:020
366461599381,35cyclictest0-21swapper/022:40:260
366461599381,2cyclictest0-21swapper/021:30:010
3664619993730,4cyclictest167550irq/134-8000000.ethernet-tx221:35:252
3664619993728,6cyclictest3720259-21grep00:30:292
3664619993728,5cyclictest3677563-21grep20:20:272
3664619993728,5cyclictest0-21swapper/223:45:262
3664619993725,8cyclictest0-21swapper/220:55:272
3664619993722,7cyclictest0-21swapper/221:50:282
366461599377,2cyclictest0-21swapper/020:50:000
366461599371,3cyclictest0-21swapper/022:40:010
366461999364,16cyclictest3666763-21/usr/sbin/munin19:20:192
3664619993628,5cyclictest167550irq/134-8000000.ethernet-tx221:25:162
3664619993626,7cyclictest0-21swapper/223:10:272
3664619993624,7cyclictest0-21swapper/222:45:292
3664619993618,11cyclictest0-21swapper/222:55:282
3664619993618,10cyclictest0-21swapper/223:50:232
3664615993628,5cyclictest3693933-21sendmail22:00:000
3664615993623,8cyclictest0-21swapper/020:05:280
3664615993620,9cyclictest0-21swapper/021:20:290
366461599361,4cyclictest0-21swapper/023:40:160
366461599361,33cyclictest0-21swapper/019:33:550
366461599361,33cyclictest0-21swapper/000:22:470
3664619993527,4cyclictest3698905-21grep22:25:302
3664619993527,4cyclictest3698905-21grep22:25:292
3664619993526,4cyclictest0-21swapper/223:05:202
3664619993522,8cyclictest0-21swapper/223:55:282
366461999351,27cyclictest3718797-21/usr/sbin/munin00:25:242
3664615993525,5cyclictest0-21swapper/022:15:180
366461599351,2cyclictest0-21swapper/019:10:020
366461999348,15cyclictest3714489-21/usr/sbin/munin00:00:172
366461999348,15cyclictest3714489-21/usr/sbin/munin00:00:162
3664619993426,5cyclictest3689467-21unixbench_singl21:30:292
3664619993424,5cyclictest0-21swapper/220:40:262
3664619993424,5cyclictest0-21swapper/220:40:262
3664619993423,7cyclictest3674195-21grep20:00:282
3664619993423,6cyclictest0-21swapper/200:20:282
3664619993422,7cyclictest3717596-21grep00:15:302
366461999341,26cyclictest3701466-21unixbench_singl22:40:272
3664619993325,5cyclictest0-21swapper/222:15:262
3664619993325,4cyclictest3682638-21head20:50:292
3664619993322,6cyclictest0-21swapper/200:05:202
3664619993318,9cyclictest0-21swapper/222:50:212
366461999331,30cyclictest0-21swapper/221:20:272
3664615993327,4cyclictest20850irq/208-8000000.ethernet21:10:230
366461999321,5cyclictest0-21swapper/219:50:022
366461999321,5cyclictest0-21swapper/219:50:022
3664619993117,9cyclictest0-21swapper/200:40:012
366461999303,18cyclictest3711549-21sed23:40:302
3664619993018,7cyclictest3678456-21cron20:30:012
3664619992926,2cyclictest200-21pr/ttyS222:40:002
366461999291,26cyclictest0-21swapper/220:47:262
3664619992516,5cyclictest0-21swapper/223:25:162
366461999181,6cyclictest0-21swapper/219:10:022
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