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2026-01-07 - 20:39

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 Wed Jan 07, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3648151996250,10cyclictest131ktimers/010:55:150
364815199591,4cyclictest0-21swapper/007:30:140
3648152995715,6cyclictest3655156-21apt-get07:50:021
3648152995715,6cyclictest3655156-21apt-get07:50:021
3648152995638,12cyclictest0-21swapper/110:00:001
3648152995638,12cyclictest0-21swapper/110:00:001
364815599557,24cyclictest30-21rcuc/211:30:022
364815599557,24cyclictest30-21rcuc/211:30:022
3648155995343,7cyclictest3673068-21munin-plugin-st09:34:592
3648152995341,6cyclictest0-21swapper/109:10:291
3648155995215,18cyclictest30-21rcuc/211:55:192
3648151995241,5cyclictest167350irq/118-8000000.ethernet-tx007:25:010
3648151995236,12cyclictest3653472-21sendmail07:40:000
3648155995130,13cyclictest311ktimers/211:40:112
3648151995143,3cyclictest3656089-21munin-plugin-st07:55:000
3648151995116,27cyclictest12-21ksoftirqd/009:40:020
3648151995116,27cyclictest12-21ksoftirqd/009:40:010
3648152995035,10cyclictest3651692-21grep07:25:281
3648151995037,9cyclictest0-21swapper/010:30:010
3648151995037,9cyclictest0-21swapper/010:30:010
364815199502,6cyclictest3648958-21munin-run07:15:010
3648151995025,17cyclictest0-21swapper/009:00:020
3648152994939,7cyclictest3664546-21munin-plugin-st08:45:001
3648151994910,34cyclictest0-21swapper/010:05:000
3648155994828,13cyclictest311ktimers/208:55:152
3648152994828,10cyclictest0-21swapper/110:05:311
364815199482,43cyclictest3662551-21phc2sys-jitter08:30:250
3648151994821,25cyclictest0-21swapper/008:00:280
364815199481,44cyclictest0-21swapper/008:00:010
3648155994739,4cyclictest3662007-21munin-plugin-st08:30:002
3648152994736,8cyclictest3695298-21munin-plugin-st11:45:011
364815299471,15cyclictest22-21rcuc/110:05:001
3648151994740,4cyclictest20650irq/252-8000000.ethernet11:00:240
3648151994740,4cyclictest20650irq/252-8000000.ethernet11:00:240
364815199472,6cyclictest3669595-21apt-get09:15:010
3648155994630,11cyclictest311ktimers/211:00:122
3648155994630,11cyclictest311ktimers/211:00:122
3648155994627,13cyclictest311ktimers/207:30:142
3648152994628,13cyclictest231ktimers/110:20:141
3648152994627,14cyclictest0-21swapper/110:55:301
3648152994626,10cyclictest0-21swapper/111:00:291
3648152994626,10cyclictest0-21swapper/111:00:291
364815199463,38cyclictest0-21swapper/007:20:010
3648155994532,7cyclictest3678166-21grep10:00:282
3648152994535,7cyclictest3657790-21munin-plugin-st08:05:001
3648151994537,5cyclictest3664994-21interrupts08:45:220
3648151994537,4cyclictest3702058-21munin-plugin-st12:24:590
3648151994536,4cyclictest20850irq/208-8000000.ethernet10:45:000
3648151994529,14cyclictest167350irq/118-8000000.ethernet-tx010:30:140
3648151994529,14cyclictest167350irq/118-8000000.ethernet-tx010:30:130
3648151994528,14cyclictest167350irq/118-8000000.ethernet-tx010:35:380
3648155994436,5cyclictest3669599-21munin-plugin-st09:15:012
3648155994434,6cyclictest3681638-21grep10:20:292
3648155994430,9cyclictest3667690-21ptp4l09:00:262
3648155994417,13cyclictest311ktimers/212:10:122
3648152994429,9cyclictest0-21swapper/108:50:281
3648152994416,8cyclictest14-21rcu_preempt09:25:001
364815199448,30cyclictest3692033-21sed11:25:000
3648151994435,5cyclictest12-21ksoftirqd/011:35:200
3648151994433,8cyclictest0-21swapper/012:00:250
3648151994433,8cyclictest0-21swapper/012:00:240
3648151994430,9cyclictest0-21swapper/008:05:270
3648155994331,8cyclictest0-21swapper/208:30:272
3648155994323,14cyclictest311ktimers/211:45:142
3648155994323,14cyclictest311ktimers/211:45:142
3648155994317,13cyclictest311ktimers/209:20:142
3648155994316,12cyclictest311ktimers/209:55:152
3648155994316,12cyclictest311ktimers/209:55:152
3648152994330,9cyclictest0-21swapper/109:55:001
3648152994328,9cyclictest0-21swapper/109:00:261
3648152994326,9cyclictest0-21swapper/111:20:281
3648152994325,8cyclictest0-21swapper/111:25:261
3648151994322,19cyclictest0-21swapper/009:45:240
3648155994229,9cyclictest0-21swapper/207:50:292
3648155994228,9cyclictest0-21swapper/209:15:302
3648155994225,12cyclictest311ktimers/208:20:132
3648152994229,9cyclictest0-21swapper/109:05:281
3648152994228,9cyclictest0-21swapper/110:35:271
3648152994227,9cyclictest0-21swapper/109:30:281
3648152994226,11cyclictest0-21swapper/107:20:201
3648152994222,12cyclictest231ktimers/110:25:121
3648152994222,12cyclictest231ktimers/110:25:121
3648152994214,14cyclictest231ktimers/111:15:131
3648152994214,14cyclictest231ktimers/111:15:131
3648151994237,2cyclictest0-21swapper/010:00:010
3648151994237,2cyclictest0-21swapper/010:00:010
3648151994235,4cyclictest167350irq/118-8000000.ethernet-tx011:05:190
3648151994233,5cyclictest0-21swapper/008:29:590
364815199422,5cyclictest3685973-21users10:45:290
364815199422,5cyclictest3685973-21users10:45:290
364815199422,36cyclictest0-21swapper/011:10:250
364815199421,36cyclictest0-21swapper/012:40:020
364815199421,35cyclictest0-21swapper/009:35:000
364815199421,2cyclictest15-21rcuc/009:20:000
364815599416,22cyclictest30-21rcuc/211:40:012
3648155994131,5cyclictest3698629-21grep12:00:292
3648155994131,5cyclictest3698629-21grep12:00:282
3648155994129,6cyclictest3691068-21sendmail11:20:002
3648155994129,6cyclictest3691068-21sendmail11:20:002
3648155994126,8cyclictest0-21swapper/208:35:282
3648155994113,14cyclictest311ktimers/211:20:142
3648152994132,5cyclictest3674853-21munin-plugin-st09:45:001
3648152994132,5cyclictest3674853-21munin-plugin-st09:45:001
3648152994128,8cyclictest0-21swapper/107:10:291
3648152994127,9cyclictest0-21swapper/112:20:291
3648152994125,9cyclictest0-21swapper/109:35:291
3648152994125,9cyclictest0-21swapper/109:35:291
3648152994125,8cyclictest0-21swapper/107:55:291
3648151994137,2cyclictest0-21swapper/011:25:120
3648151994136,2cyclictest0-21swapper/009:00:240
3648151994135,4cyclictest131ktimers/012:05:110
3648151994134,4cyclictest20850irq/208-8000000.ethernet07:50:000
3648151994134,4cyclictest20850irq/208-8000000.ethernet07:50:000
3648151994134,3cyclictest0-21swapper/009:25:230
364815199412,36cyclictest3700651-21cut12:15:180
364815199411,4cyclictest15-21rcuc/009:20:150
364815199411,3cyclictest3654452-21latency_hist07:45:000
3648155994025,8cyclictest0-21swapper/212:35:002
3648155994015,12cyclictest311ktimers/208:40:152
3648152994030,5cyclictest0-21swapper/111:05:281
3648152994028,8cyclictest3704681-21sendmail12:40:011
3648152994023,11cyclictest231ktimers/111:10:121
3648151994033,4cyclictest0-21swapper/009:40:190
3648151994033,4cyclictest0-21swapper/009:40:190
364815199401,4cyclictest3699890-21perl12:10:190
364815199401,37cyclictest0-21swapper/011:50:230
364815599397,17cyclictest3649440-21/usr/sbin/munin07:15:192
3648155993931,5cyclictest0-21swapper/210:45:292
3648155993931,5cyclictest0-21swapper/210:45:292
3648155993926,6cyclictest0-21swapper/209:10:002
3648152993926,8cyclictest0-21swapper/112:10:271
3648152993926,10cyclictest0-21swapper/107:40:291
3648152993923,8cyclictest0-21swapper/111:35:261
3648151993927,6cyclictest0-21swapper/012:35:010
364815199392,4cyclictest3702373-21fschecks_count12:25:190
3648151993922,15cyclictest0-21swapper/007:25:120
364815199391,3cyclictest0-21swapper/010:10:180
364815199391,36cyclictest0-21swapper/010:50:170
364815199391,36cyclictest0-21swapper/010:05:200
3648155993826,8cyclictest0-21swapper/211:25:202
3648155993823,6cyclictest14-21rcu_preempt07:20:282
3648152993830,4cyclictest0-21swapper/112:00:281
3648152993830,4cyclictest0-21swapper/112:00:281
3648152993824,10cyclictest22-21rcuc/108:45:121
364815199383,31cyclictest0-21swapper/011:40:180
3648151993821,15cyclictest0-21swapper/010:15:120
3648151993821,15cyclictest0-21swapper/009:05:140
364815199381,35cyclictest0-21swapper/011:55:130
364815199381,35cyclictest0-21swapper/009:50:210
364815199381,35cyclictest0-21swapper/008:35:120
364815199381,35cyclictest0-21swapper/008:20:220
3648155993724,9cyclictest0-21swapper/207:40:272
3648155993724,8cyclictest0-21swapper/212:20:012
3648155993724,7cyclictest0-21swapper/208:10:282
3648155993723,8cyclictest0-21swapper/211:05:282
3648155993722,9cyclictest0-21swapper/209:50:002
3648155993721,12cyclictest311ktimers/208:45:112
3648155993719,14cyclictest311ktimers/207:10:152
3648152993728,6cyclictest0-21swapper/112:25:291
3648152993728,5cyclictest3671365-21kworker/u8:0+rpciod09:26:211
3648152993725,4cyclictest0-21swapper/107:15:281
364815199372,33cyclictest0-21swapper/008:54:420
3648151993721,14cyclictest0-21swapper/011:45:140
3648151993721,14cyclictest0-21swapper/011:45:140
3648151993720,14cyclictest0-21swapper/008:12:390
364815199371,34cyclictest0-21swapper/011:31:230
364815199371,34cyclictest0-21swapper/011:31:230
3648155993627,4cyclictest0-21swapper/212:20:292
364815599361,27cyclictest0-21swapper/211:00:002
3648152993632,2cyclictest0-21swapper/108:55:271
3648152993621,8cyclictest0-21swapper/110:40:271
3648152993615,12cyclictest231ktimers/111:45:161
3648152993615,12cyclictest231ktimers/111:45:161
364815199361,7cyclictest3659781-21fschecks_count08:15:210
364815199361,4cyclictest0-21swapper/010:20:160
3648155993526,5cyclictest0-21swapper/207:45:232
3648155993526,5cyclictest0-21swapper/207:45:232
3648155993525,7cyclictest3682994-21sh10:30:212
3648155993525,7cyclictest3682994-21sh10:30:212
3648155993524,8cyclictest3679999-21munin-plugin-st10:15:002
3648155993519,10cyclictest0-21swapper/210:35:202
3648152993527,4cyclictest0-21swapper/111:30:211
3648152993527,4cyclictest0-21swapper/111:30:201
3648152993525,6cyclictest3662792-21grep08:30:281
3648152993525,6cyclictest0-21swapper/107:50:301
3648152993519,9cyclictest0-21swapper/111:50:291
3648152993519,8cyclictest0-21swapper/112:20:021
364815299351,28cyclictest0-21swapper/108:05:241
364815599342,14cyclictest3673905-21apt-get09:40:012
364815599342,14cyclictest3673905-21apt-get09:40:012
3648155993413,19cyclictest3656285-21/usr/sbin/munin07:55:192
3648152993428,3cyclictest0-21swapper/110:10:291
3648152993425,5cyclictest0-21swapper/108:25:281
3648152993424,6cyclictest0-21swapper/110:45:291
3648152993424,6cyclictest0-21swapper/110:45:281
364815199349,12cyclictest0-21swapper/007:10:010
3648151993422,10cyclictest15-21rcuc/008:40:140
3648151993416,12cyclictest131ktimers/011:15:120
3648151993416,12cyclictest131ktimers/011:15:120
3648155993322,8cyclictest0-21swapper/209:40:292
3648155993322,8cyclictest0-21swapper/209:40:292
3648155993321,8cyclictest0-21swapper/212:40:012
364815599331,26cyclictest0-21swapper/208:15:192
3648152993326,3cyclictest3663627-21grep08:35:291
3648152993325,6cyclictest3680778-21grep10:15:281
3648152993324,5cyclictest22-21rcuc/107:35:221
3648152993324,5cyclictest0-21swapper/110:30:291
3648152993324,5cyclictest0-21swapper/110:30:291
3648152993319,10cyclictest231ktimers/111:55:111
3648155993224,6cyclictest0-21swapper/207:25:252
364815599321,29cyclictest3684521-21/usr/sbin/munin10:40:252
3648152993226,3cyclictest0-21swapper/112:30:201
3648152993221,8cyclictest0-21swapper/112:05:281
3648152993221,7cyclictest0-21swapper/108:15:301
364815599318,21cyclictest30-21rcuc/209:50:172
3648155993124,4cyclictest0-21swapper/209:25:222
3648155993122,5cyclictest0-21swapper/211:50:252
3648155993121,7cyclictest0-21swapper/212:25:282
3648155993023,4cyclictest14-21rcu_preempt11:10:222
3648155993014,13cyclictest167550irq/134-8000000.ethernet-tx210:19:242
3648152993024,4cyclictest14-21rcu_preempt09:45:191
3648152993022,6cyclictest3651980-21/usr/sbin/munin07:30:261
3648152993020,7cyclictest0-21swapper/108:20:281
3648152993019,9cyclictest22-21rcuc/109:15:291
364815299301,24cyclictest0-21swapper/108:10:111
3648155992922,5cyclictest3698873-21/usr/sbin/munin12:05:252
3648155992922,4cyclictest0-21swapper/210:30:002
3648155992922,4cyclictest0-21swapper/210:30:002
3648155992915,8cyclictest14-21rcu_preempt10:50:122
3648155992913,13cyclictest0-21swapper/208:50:262
3648155992820,6cyclictest3652822-21/usr/sbin/munin07:35:292
3648155992820,6cyclictest0-21swapper/210:10:022
3648155992820,6cyclictest0-21swapper/208:05:012
364815299281,4cyclictest0-21swapper/110:52:411
3648155992719,6cyclictest0-21swapper/208:05:192
3648155992717,7cyclictest0-21swapper/207:10:012
3648152992518,5cyclictest0-21swapper/107:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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