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2025-12-22 - 11:06

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 Mon Dec 22, 2025 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154541499808,33cyclictest0-21swapper/120:55:011
154541499712,21cyclictest0-21swapper/122:10:011
154541499712,21cyclictest0-21swapper/122:10:011
1545414997113,28cyclictest0-21swapper/122:05:011
1545414996913,18cyclictest0-21swapper/122:20:021
154541199691,63cyclictest0-21swapper/023:10:110
1545415996752,10cyclictest311ktimers/222:35:132
1545415996752,10cyclictest311ktimers/222:35:132
1545411996633,15cyclictest167350irq/118-8000000.ethernet-tx022:30:240
1545411996633,15cyclictest167350irq/118-8000000.ethernet-tx022:30:240
1545414996533,17cyclictest0-21swapper/121:15:131
154541599644,51cyclictest32-21ksoftirqd/221:15:012
154541499644,34cyclictest0-21swapper/123:30:191
154541499644,34cyclictest0-21swapper/123:30:191
1545414996437,14cyclictest0-21swapper/121:40:151
1545414996437,14cyclictest0-21swapper/121:40:151
1545414996336,12cyclictest0-21swapper/122:35:141
1545414996336,12cyclictest0-21swapper/122:35:141
1545414996234,13cyclictest0-21swapper/122:30:131
1545414996234,13cyclictest0-21swapper/122:30:131
1545415996125,12cyclictest30-21rcuc/219:15:012
1545415996112,17cyclictest30-21rcuc/220:35:202
1545414996144,11cyclictest1575616-21apt-get22:05:161
1545411996156,2cyclictest0-21swapper/023:05:000
1545414996038,13cyclictest1585274-21apt-get23:00:161
1545414996035,13cyclictest0-21swapper/122:45:121
154541499603,17cyclictest1587881-21/usr/sbin/munin23:15:191
1545414996011,16cyclictest0-21swapper/121:25:011
1545414996011,10cyclictest1554102-21apt-get20:00:011
1545414995939,13cyclictest0-21swapper/119:50:121
1545414995831,15cyclictest0-21swapper/119:35:141
154541499582,21cyclictest0-21swapper/121:50:011
154541599578,23cyclictest30-21rcuc/222:25:012
1545414995740,10cyclictest1562850-21apt-get20:50:171
1545414995740,10cyclictest1562850-21apt-get20:50:161
1545414995734,16cyclictest1546656-21munin-node19:15:061
1545414995734,13cyclictest0-21swapper/122:55:141
1545414995734,13cyclictest0-21swapper/122:55:141
1545414995730,13cyclictest0-21swapper/123:55:131
1545414995638,12cyclictest0-21swapper/120:20:131
1545414995635,13cyclictest1283-21cron23:54:591
1545414995634,11cyclictest0-21swapper/119:25:151
1545414995633,12cyclictest0-21swapper/120:00:101
1545414995632,13cyclictest0-21swapper/120:15:161
1545414995612,37cyclictest1598019-21/usr/sbin/munin00:15:211
1545414995612,37cyclictest1598019-21/usr/sbin/munin00:15:211
1545414995535,14cyclictest0-21swapper/121:50:141
1545414995532,13cyclictest0-21swapper/123:35:181
1545415995440,6cyclictest1585916-21munin-plugin-st23:05:002
1545414995442,8cyclictest1587041-21munin-node23:10:121
1545414995436,13cyclictest0-21swapper/100:10:141
1545414995435,11cyclictest1549577-21/usr/sbin/munin19:30:271
1545414995432,13cyclictest1558715-21/usr/sbin/munin20:25:201
1545414995430,14cyclictest1566226-21/usr/sbin/munin21:10:121
154541199546,22cyclictest15-21rcuc/000:25:010
1545414995338,7cyclictest1569189-21/usr/sbin/munin21:25:291
1545414995337,12cyclictest0-21swapper/100:30:141
1545414995336,11cyclictest1547935-21/usr/sbin/munin19:20:281
1545414995334,12cyclictest1577996-21/usr/sbin/munin22:15:331
1545414995334,12cyclictest1577996-21/usr/sbin/munin22:15:321
1545414995332,13cyclictest1600023-21/usr/sbin/munin00:25:261
1545414995331,11cyclictest0-21swapper/119:45:131
1545415995233,14cyclictest311ktimers/200:05:132
1545414995245,3cyclictest1562010-21apt-get20:45:161
1545414995236,12cyclictest1571223-21apt-key21:40:011
1545414995234,12cyclictest1561510-21/usr/sbin/munin20:40:281
1545414995232,13cyclictest1601472-21/usr/sbin/munin00:35:161
1545414995230,14cyclictest1565902-21/usr/sbin/munin21:05:291
154541199521,9cyclictest0-21swapper/021:50:010
1545415995129,15cyclictest311ktimers/221:30:132
1545414995143,3cyclictest1555249-21apt-get20:05:131
1545414995136,11cyclictest0-21swapper/123:05:121
1545414995135,12cyclictest0-21swapper/123:40:151
1545414995135,11cyclictest0-21swapper/100:20:141
1545414995134,12cyclictest0-21swapper/100:05:141
1545414995134,11cyclictest1582007-21/usr/sbin/munin22:40:221
1545414995132,14cyclictest0-21swapper/100:00:141
1545414995132,14cyclictest0-21swapper/100:00:141
1545414995132,12cyclictest1560425-21grep20:35:221
1545414995043,3cyclictest1588747-21apt-get23:20:121
1545414995042,4cyclictest1589587-21apt-get23:25:131
1545414995038,8cyclictest1551190-21/usr/sbin/munin19:40:211
1545414995033,11cyclictest1559924-21/usr/sbin/munin20:30:261
1545414995031,12cyclictest1564867-21/usr/sbin/munin21:00:271
1545411995042,4cyclictest167350irq/118-8000000.ethernet-tx019:55:260
1545411995040,6cyclictest1561795-21kworker/u8:3+events_power_efficient20:55:140
1545415994934,10cyclictest0-21swapper/220:05:282
1545414994944,2cyclictest1573917-21apt-get21:55:111
1545414994940,6cyclictest1556349-21/usr/sbin/munin20:10:271
1545414994935,8cyclictest1593451-21/usr/sbin/munin23:45:301
1545414994935,8cyclictest1593451-21/usr/sbin/munin23:45:301
1545414994934,9cyclictest1583614-21/usr/sbin/munin22:50:191
1545414994932,12cyclictest1545647-21/usr/sbin/munin19:10:191
1545411994943,4cyclictest1584126-21munin-plugin-st22:55:010
1545411994942,4cyclictest1583099-21grep22:45:280
154541199491,44cyclictest1593183-21/usr/sbin/munin23:45:250
154541199491,44cyclictest1593183-21/usr/sbin/munin23:45:250
1545415994830,12cyclictest311ktimers/222:50:112
1545411994840,4cyclictest167350irq/118-8000000.ethernet-tx022:05:190
154541199483,4cyclictest1562417-21tail20:45:280
1545411994828,14cyclictest131ktimers/022:10:140
1545411994828,14cyclictest131ktimers/022:10:130
1545414994740,3cyclictest1569609-21apt-get21:30:141
1545414994725,14cyclictest1579764-21grep22:25:291
1545415994635,6cyclictest0-21swapper/223:30:282
1545415994635,6cyclictest0-21swapper/223:30:282
1545415994629,13cyclictest1545408-21cyclictest20:45:132
1545415994629,12cyclictest311ktimers/220:40:152
1545411994639,4cyclictest167350irq/118-8000000.ethernet-tx020:05:000
1545415994534,6cyclictest0-21swapper/221:40:012
1545415994522,15cyclictest1566027-21munin-plugin-st21:10:012
154541199459,8cyclictest0-21swapper/022:45:010
1545411994539,4cyclictest0-21swapper/022:00:110
1545411994537,4cyclictest167350irq/118-8000000.ethernet-tx023:15:220
154541199453,40cyclictest0-21swapper/023:40:140
1545411994525,13cyclictest0-21swapper/021:20:260
1545415994428,8cyclictest0-21swapper/223:10:012
1545415994428,10cyclictest1578036-21sendmail22:20:012
1545415994428,10cyclictest1578036-21sendmail22:20:012
1545411994432,8cyclictest0-21swapper/019:15:290
1545411994431,8cyclictest0-21swapper/021:50:290
154541599437,21cyclictest1576454-21/usr/sbin/munin22:10:202
154541599437,21cyclictest1576454-21/usr/sbin/munin22:10:202
1545415994330,8cyclictest0-21swapper/222:35:002
1545415994330,8cyclictest0-21swapper/222:35:002
154541199432,5cyclictest1579581-21ptp4l22:25:260
1545411994322,17cyclictest131ktimers/000:30:140
1545411994234,5cyclictest0-21swapper/019:20:120
1545411994233,5cyclictest131ktimers/020:15:300
154541199422,4cyclictest1570749-21memory21:35:280
154541199421,39cyclictest0-21swapper/000:00:290
154541199421,39cyclictest0-21swapper/000:00:290
1545415994129,8cyclictest0-21swapper/221:20:192
1545415994121,13cyclictest311ktimers/200:00:162
1545415994121,13cyclictest311ktimers/200:00:162
1545415994121,10cyclictest0-21swapper/221:55:252
1545415994117,13cyclictest311ktimers/220:10:172
1545414994121,15cyclictest1545500-21latency_hist19:10:001
1545411994133,5cyclictest0-21swapper/021:55:170
1545411994133,5cyclictest0-21swapper/020:25:280
1545411994131,7cyclictest1560861-21grep20:35:310
1545411994130,7cyclictest1595285-21sendmail23:59:590
154541199412,11cyclictest1578886-21apt-get22:25:000
1545411994120,19cyclictest20650irq/252-8000000.ethernet22:55:210
1545411994120,19cyclictest20650irq/252-8000000.ethernet22:55:200
1545411994120,19cyclictest20650irq/252-8000000.ethernet00:25:210
154541199411,4cyclictest1565161-21users21:00:310
154541199411,38cyclictest0-21swapper/019:25:230
1545415994028,8cyclictest0-21swapper/220:00:012
1545415994021,14cyclictest311ktimers/223:45:152
1545415994021,14cyclictest311ktimers/223:45:142
1545411994033,5cyclictest0-21swapper/021:10:300
1545411994031,5cyclictest1546378-21latency_hist19:15:010
1545411994027,9cyclictest0-21swapper/020:20:250
154541199401,5cyclictest1571449-21df21:40:190
154541199401,5cyclictest1571449-21df21:40:180
154541199401,5cyclictest1556087-21/usr/sbin/munin20:10:150
154541199401,36cyclictest0-21swapper/000:10:200
1545415993927,6cyclictest0-21swapper/219:30:272
1545415993924,6cyclictest311ktimers/223:45:002
1545415993915,9cyclictest1564546-21/usr/sbin/munin21:00:202
154541599391,2cyclictest0-21swapper/200:25:002
1545411993934,3cyclictest0-21swapper/021:31:180
1545411993934,2cyclictest0-21swapper/000:35:290
1545411993933,3cyclictest1550539-21/usr/sbin/munin19:35:290
154541199391,4cyclictest0-21swapper/020:55:020
154541199391,4cyclictest0-21swapper/020:55:020
154541199391,36cyclictest0-21swapper/019:45:230
1545415993830,4cyclictest1560111-21munin-plugin-st20:35:012
1545415993827,7cyclictest0-21swapper/220:50:292
1545415993827,7cyclictest0-21swapper/220:50:292
1545415993827,5cyclictest0-21swapper/223:35:302
1545411993829,6cyclictest1561739-21grep20:40:300
1545411993822,14cyclictest0-21swapper/023:50:130
154541199381,35cyclictest0-21swapper/020:05:140
154541199381,2cyclictest0-21swapper/021:10:010
1545415993726,7cyclictest311ktimers/220:25:272
1545415993723,8cyclictest0-21swapper/219:25:222
1545415993723,10cyclictest0-21swapper/219:50:252
1545411993731,4cyclictest0-21swapper/020:30:500
1545411993724,8cyclictest1590144-21grep23:25:280
154541199371,4cyclictest0-21swapper/023:00:180
154541599362,5cyclictest0-21swapper/221:00:002
154541599361,4cyclictest0-21swapper/219:25:002
154541599361,3cyclictest0-21swapper/223:20:022
154541199361,4cyclictest0-21swapper/023:30:240
154541199361,4cyclictest0-21swapper/023:30:240
154541199361,33cyclictest0-21swapper/021:29:360
154541199361,33cyclictest0-21swapper/021:15:150
154541199361,33cyclictest0-21swapper/019:40:200
154541199361,33cyclictest0-21swapper/000:15:150
154541199361,33cyclictest0-21swapper/000:15:150
1545415993524,8cyclictest0-21swapper/223:10:312
1545415993517,10cyclictest0-21swapper/220:20:202
1545411993526,5cyclictest0-21swapper/023:20:270
154541199352,5cyclictest1578032-21apt22:20:000
154541199352,5cyclictest1578032-21apt22:20:000
154541199352,29cyclictest1549817-21grep19:30:290
1545411993521,9cyclictest0-21swapper/000:10:000
1545411993520,13cyclictest0-21swapper/019:50:290
154541199351,3cyclictest0-21swapper/023:35:180
154541199351,32cyclictest0-21swapper/022:35:130
154541199351,32cyclictest0-21swapper/022:35:130
1545415993424,7cyclictest1572232-21/usr/sbin/munin21:45:252
1545415993424,5cyclictest0-21swapper/223:20:172
1545415993423,8cyclictest0-21swapper/220:00:272
1545415993422,8cyclictest0-21swapper/221:25:302
1545415993421,10cyclictest311ktimers/223:55:162
1545415993417,9cyclictest0-21swapper/222:55:282
1545415993417,9cyclictest0-21swapper/222:55:282
154541199341,4cyclictest0-21swapper/019:10:000
1545415993327,4cyclictest14-21rcu_preempt00:25:232
1545415993326,5cyclictest14-21rcu_preempt19:15:222
1545415993326,4cyclictest1545408-21cyclictest00:35:222
1545415993323,5cyclictest0-21swapper/200:15:212
1545415993323,5cyclictest0-21swapper/200:15:212
1545415993317,11cyclictest311ktimers/223:25:132
154541599328,15cyclictest1556926-21/usr/sbin/munin20:15:212
1545415993225,5cyclictest14-21rcu_preempt22:25:282
1545415993223,6cyclictest311ktimers/221:50:122
1545415993222,6cyclictest30-21rcuc/219:45:172
154541599322,20cyclictest1571392-21/usr/sbin/munin21:40:212
154541599322,20cyclictest1571392-21/usr/sbin/munin21:40:212
1545415993217,7cyclictest1582341-21grep22:40:282
1545415993122,6cyclictest0-21swapper/222:50:002
1545415993120,8cyclictest311ktimers/221:15:262
1545415993022,6cyclictest30-21rcuc/219:40:212
1545415993021,6cyclictest30-21rcuc/200:30:172
154541599301,28cyclictest0-21swapper/200:10:192
1545415992919,8cyclictest30-21rcuc/223:50:282
1545415992819,6cyclictest30-21rcuc/219:35:192
1545415992819,5cyclictest0-21swapper/222:05:222
1545415992818,6cyclictest30-21rcuc/222:00:152
1545415992619,5cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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