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2026-09-06 - 18:15

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 Sun Sep 06, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3573664997949,17cyclictest0-21swapper/112:05:021
357366699704,17cyclictest0-21swapper/210:20:012
3573662996450,8cyclictest0-21swapper/011:50:130
3573666995810,19cyclictest3617035-21/usr/sbin/munin11:20:202
357366299551,52cyclictest0-21swapper/011:20:120
3573664995340,10cyclictest231ktimers/109:25:011
3573664995230,8cyclictest0-21swapper/109:25:301
357366299506,41cyclictest0-21swapper/011:55:270
3573662994812,8cyclictest0-21swapper/007:50:210
3573662994812,8cyclictest0-21swapper/007:50:210
3573666994733,11cyclictest3599569-21sendmail09:40:002
3573666994633,8cyclictest0-21swapper/208:40:012
3573664994634,8cyclictest0-21swapper/109:35:281
3573664994632,9cyclictest0-21swapper/109:40:281
3573664994632,9cyclictest0-21swapper/109:40:281
3573662994635,8cyclictest3575666-21munin-plugin-st07:20:010
3573664994533,8cyclictest0-21swapper/110:40:301
3573664994529,9cyclictest0-21swapper/107:20:271
3573662994538,4cyclictest20650irq/252-8000000.ethernet09:25:160
3573664994435,4cyclictest3616772-21unixbench_singl11:15:291
3573664994434,6cyclictest0-21swapper/111:30:251
3573664994430,9cyclictest0-21swapper/112:15:281
3573664994430,9cyclictest0-21swapper/112:15:281
3573662994438,4cyclictest3608106-21cron10:30:000
3573662994434,7cyclictest3580774-21grep07:45:280
3573662994434,6cyclictest3611519-21unixbench_singl10:45:300
3573662994430,11cyclictest15-21rcuc/008:50:130
3573662994428,11cyclictest0-21swapper/009:55:000
357366299442,4cyclictest3612036-21sshd10:50:230
357366299442,4cyclictest3612036-21sshd10:50:220
3573666994332,8cyclictest0-21swapper/210:40:002
3573664994332,8cyclictest3602962-21sendmail10:00:001
3573664994327,10cyclictest0-21swapper/111:10:271
3573664994327,10cyclictest0-21swapper/111:10:271
3573662994335,5cyclictest3583246-21grep08:00:280
3573662994331,8cyclictest0-21swapper/010:05:290
357366299431,37cyclictest0-21swapper/011:35:020
3573666994231,6cyclictest3602867-21unixbench_multi09:55:282
3573666994210,16cyclictest3598091-21/usr/sbin/munin09:30:192
3573664994233,6cyclictest3605573-21munin-plugin-st10:15:001
3573664994231,7cyclictest0-21swapper/108:45:281
3573664994220,13cyclictest0-21swapper/108:25:191
3573662994232,7cyclictest0-21swapper/007:30:270
3573662994229,9cyclictest0-21swapper/011:15:010
3573662994229,9cyclictest0-21swapper/011:15:010
357366299422,5cyclictest0-21swapper/007:25:010
3573662994223,4cyclictest3424311-1kworker/0:0H+mmc_complete10:00:020
357366299421,3cyclictest0-21swapper/009:10:320
357366299421,26cyclictest0-21swapper/008:45:010
3573664994132,5cyclictest0-21swapper/107:20:021
3573664994128,9cyclictest0-21swapper/110:45:311
3573664994128,8cyclictest0-21swapper/111:20:301
3573664994127,10cyclictest3592814-21sendmail09:00:001
3573664994126,7cyclictest3574457-21sed07:10:271
3573662994130,8cyclictest0-21swapper/008:35:310
3573662994126,11cyclictest0-21swapper/007:55:280
357366299412,19cyclictest0-21swapper/012:05:010
357366299411,26cyclictest15-21rcuc/012:30:010
357366699408,24cyclictest311ktimers/212:25:202
3573664994028,8cyclictest0-21swapper/110:00:301
3573664994028,8cyclictest0-21swapper/110:00:291
3573664994028,8cyclictest0-21swapper/108:50:271
3573664994028,8cyclictest0-21swapper/107:55:291
3573664994027,8cyclictest0-21swapper/111:05:281
3573664994025,9cyclictest0-21swapper/108:15:281
3573664994025,9cyclictest0-21swapper/108:15:281
3573664994025,8cyclictest0-21swapper/109:30:291
3573664994024,8cyclictest0-21swapper/109:15:281
3573664994024,11cyclictest0-21swapper/108:20:271
3573662994029,8cyclictest0-21swapper/007:15:010
3573662994022,16cyclictest0-21swapper/011:05:290
357366299401,4cyclictest3595551-21apt09:15:110
3573666993929,6cyclictest0-21swapper/208:55:302
3573666993928,6cyclictest0-21swapper/211:40:002
3573666993928,6cyclictest0-21swapper/211:40:002
3573666993919,11cyclictest0-21swapper/207:40:292
3573664993931,5cyclictest0-21swapper/112:10:261
3573664993928,7cyclictest0-21swapper/107:55:001
3573664993928,7cyclictest0-21swapper/107:55:001
3573664993927,5cyclictest0-21swapper/108:30:271
3573664993926,8cyclictest3628526-21grep12:25:281
3573664993925,10cyclictest3608071-21unixbench_singl10:25:271
3573664993923,9cyclictest0-21swapper/107:40:291
3573664993923,8cyclictest0-21swapper/109:50:291
357366499391,29cyclictest14-21rcu_preempt10:35:011
3573662993933,4cyclictest19750irq/27-20000000.i2c11:45:280
3573662993929,6cyclictest3586625-21grep08:20:270
3573662993927,6cyclictest3609733-21grep10:35:290
3573662993924,10cyclictest0-21swapper/008:30:260
357366299391,4cyclictest0-21swapper/010:30:160
357366299391,3cyclictest3613143-21unixbench_multi10:55:270
357366299391,36cyclictest0-21swapper/012:35:140
357366299391,36cyclictest0-21swapper/011:15:200
357366299391,36cyclictest0-21swapper/008:25:110
3573666993829,5cyclictest3614852-21unixbench_multi11:05:292
3573664993830,4cyclictest167450irq/126-8000000.ethernet-tx111:35:281
3573664993830,4cyclictest167450irq/126-8000000.ethernet-tx111:35:281
3573664993824,8cyclictest0-21swapper/108:40:291
357366499381,3cyclictest0-21swapper/108:15:011
3573662993832,4cyclictest20850irq/208-8000000.ethernet08:20:000
3573662993832,4cyclictest20850irq/208-8000000.ethernet08:20:000
3573662993831,4cyclictest20850irq/208-8000000.ethernet12:35:010
3573662993830,6cyclictest274-21systemd-journal09:10:000
3573662993827,7cyclictest3598614-21grep09:30:300
3573662993821,15cyclictest0-21swapper/012:05:150
357366299381,3cyclictest0-21swapper/007:38:000
357366299381,35cyclictest0-21swapper/010:40:240
357366299381,35cyclictest0-21swapper/010:24:310
357366299381,34cyclictest131ktimers/010:00:290
357366299381,34cyclictest131ktimers/010:00:290
357366699377,21cyclictest3581025-21/usr/sbin/munin07:50:182
357366699377,21cyclictest3581025-21/usr/sbin/munin07:50:182
357366699376,22cyclictest3607551-21sshd10:25:182
3573666993728,6cyclictest0-21swapper/209:15:172
3573666993728,5cyclictest0-21swapper/211:50:282
3573666993725,6cyclictest0-21swapper/210:45:302
3573664993729,5cyclictest3618513-21munin-plugin-st11:30:001
3573664993727,6cyclictest0-21swapper/112:30:191
3573664993727,5cyclictest0-21swapper/109:05:211
3573664993725,6cyclictest0-21swapper/107:25:281
3573664993723,8cyclictest0-21swapper/112:40:011
357366499371,8cyclictest0-21swapper/110:50:011
357366499371,8cyclictest0-21swapper/110:50:011
357366299371,34cyclictest0-21swapper/010:10:250
357366299371,34cyclictest0-21swapper/008:05:250
357366299371,34cyclictest0-21swapper/007:25:240
357366699367,16cyclictest3591336-21/usr/sbin/munin08:50:182
3573666993630,4cyclictest3626951-21sendmail12:20:002
3573666993630,4cyclictest3626951-21sendmail12:20:002
3573666993626,5cyclictest0-21swapper/211:00:172
3573666993610,19cyclictest3575969-21/usr/sbin/munin07:20:192
3573664993629,4cyclictest0-21swapper/111:55:001
3573664993627,5cyclictest0-21swapper/108:05:281
3573664993627,5cyclictest0-21swapper/107:45:281
3573664993623,7cyclictest3627161-21/usr/sbin/munin12:20:251
3573662993630,4cyclictest0-21swapper/011:25:160
3573662993629,4cyclictest20850irq/208-8000000.ethernet08:10:170
3573662993628,5cyclictest0-21swapper/009:00:280
3573662993628,5cyclictest0-21swapper/009:00:280
3573662993627,4cyclictest0-21swapper/007:10:020
3573662993626,4cyclictest0-21swapper/010:15:200
357366299361,4cyclictest3580148-21latency_hist07:45:010
357366299361,33cyclictest0-21swapper/012:20:230
3573666993526,5cyclictest0-21swapper/208:40:302
3573666993526,4cyclictest0-21swapper/210:10:292
3573666993525,5cyclictest0-21swapper/211:10:192
3573666993525,5cyclictest0-21swapper/211:10:182
3573666993521,9cyclictest0-21swapper/207:15:032
3573666993521,10cyclictest0-21swapper/209:05:292
3573664993525,5cyclictest0-21swapper/111:44:591
3573664993524,8cyclictest0-21swapper/111:45:271
3573664993524,7cyclictest0-21swapper/111:00:291
3573664993523,8cyclictest0-21swapper/110:55:261
3573662993529,4cyclictest20850irq/208-8000000.ethernet08:45:180
3573662993528,4cyclictest20850irq/208-8000000.ethernet11:40:240
3573662993523,8cyclictest0-21swapper/009:25:010
357366299351,3cyclictest0-21swapper/008:55:170
357366299351,32cyclictest0-21swapper/011:02:450
357366299351,2cyclictest0-21swapper/012:15:020
3573666993426,6cyclictest3621248-21/usr/sbin/munin11:45:242
3573666993425,5cyclictest0-21swapper/212:35:232
3573666993425,5cyclictest0-21swapper/207:10:012
3573666993423,8cyclictest3600427-21munin-plugin-st09:45:002
3573666993423,8cyclictest3600427-21munin-plugin-st09:45:002
357366699341,26cyclictest3593818-21sed09:05:012
357366699341,26cyclictest3593818-21sed09:05:012
3573666993410,4cyclictest1653-21lldpd09:46:392
3573664993425,6cyclictest0-21swapper/109:10:301
3573664993424,7cyclictest0-21swapper/108:35:321
3573664993413,3cyclictest0-21swapper/110:20:011
357366299343,4cyclictest3600549-21cat09:45:010
357366299343,4cyclictest3600549-21cat09:45:010
3573662993426,6cyclictest131ktimers/009:45:230
3573662993426,5cyclictest131ktimers/009:35:220
3573662993422,10cyclictest0-21swapper/012:20:020
3573662993422,10cyclictest0-21swapper/012:20:010
3573662993420,12cyclictest0-21swapper/011:35:460
3573662993420,12cyclictest0-21swapper/011:35:460
3573666993327,4cyclictest1261-21rs:main2
3573666993325,5cyclictest0-21swapper/208:10:272
3573666993323,6cyclictest0-21swapper/208:15:282
3573666993323,6cyclictest0-21swapper/208:15:282
357366699331,27cyclictest0-21swapper/210:20:162
3573664993325,5cyclictest3583249-21unixbench_multi08:00:281
3573664993325,4cyclictest0-21swapper/107:35:291
3573664993321,8cyclictest0-21swapper/110:35:291
3573666993224,6cyclictest3608933-21sshd10:32:102
3573666993223,5cyclictest0-21swapper/209:50:292
3573666993222,6cyclictest0-21swapper/210:40:292
3573666993222,5cyclictest3616773-21unixbench_singl11:15:282
3573666993219,9cyclictest0-21swapper/210:50:252
3573666993219,9cyclictest0-21swapper/210:50:252
3573666993217,7cyclictest0-21swapper/207:15:012
3573664993224,4cyclictest0-21swapper/107:10:021
3573664993222,7cyclictest0-21swapper/112:05:271
3573664993221,7cyclictest0-21swapper/111:55:301
3573664993220,7cyclictest0-21swapper/110:05:161
3573666993124,4cyclictest0-21swapper/212:10:282
3573666993023,4cyclictest3577219-21ptp4l07:25:262
3573666993022,5cyclictest311ktimers/208:20:212
3573666993022,4cyclictest274-21systemd-journal10:55:222
3573666993021,5cyclictest0-21swapper/209:25:192
3573666993020,7cyclictest311ktimers/212:20:192
3573666993017,9cyclictest0-21swapper/208:25:252
357366499301,5cyclictest0-21swapper/110:20:021
3573666992921,5cyclictest47-21kauditd11:55:012
3573666992920,6cyclictest311ktimers/212:00:292
3573666992920,6cyclictest0-21swapper/211:40:302
3573666992919,8cyclictest3597050-21munin-plugin-st09:25:002
3573666992919,6cyclictest0-21swapper/212:30:232
3573666992911,9cyclictest0-21swapper/211:30:012
3573664992919,7cyclictest0-21swapper/109:45:281
3573664992911,4cyclictest167450irq/126-8000000.ethernet-tx107:30:181
3573666992820,6cyclictest3590563-21df08:45:172
357366699275,4cyclictest1653-21lldpd08:33:082
3573666992721,4cyclictest0-21swapper/207:55:272
3573666992719,6cyclictest1660-21snmpd10:08:402
3573666992719,4cyclictest0-21swapper/207:50:012
3573666992716,8cyclictest0-21swapper/211:30:282
3573666992715,8cyclictest0-21swapper/209:10:302
3573666992611,8cyclictest0-21swapper/210:05:012
3573666992611,8cyclictest0-21swapper/210:05:012
3573664992616,7cyclictest0-21swapper/109:00:261
3573664992616,7cyclictest0-21swapper/109:00:261
3573666992513,6cyclictest0-21swapper/212:05:282
3573666992416,5cyclictest0-21swapper/208:05:012
3573666992413,7cyclictest0-21swapper/208:05:182
3573666992115,2cyclictest0-21swapper/207:30:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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