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2026-09-28 - 01:22

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 27, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107143999881,3cyclictest0-21swapper/109:25:011
107143699871,12cyclictest1078528-21kworker/u8:3+events_power_efficient07:55:010
107144299854,56cyclictest1095791-21apt-get09:30:013
107143699851,3cyclictest0-21swapper/009:25:010
107143999832,75cyclictest0-21swapper/107:55:011
1071440998124,14cyclictest311ktimers/207:20:012
107143999771,45cyclictest0-21swapper/112:00:011
1071439997613,15cyclictest1123232-21/usr/sbin/munin12:05:201
107143699761,3cyclictest15-21rcuc/011:48:410
107143699761,3cyclictest15-21rcuc/011:48:410
1071439997513,19cyclictest1101158-21/usr/sbin/munin10:00:191
1071439997513,19cyclictest1101158-21/usr/sbin/munin10:00:191
1071440997155,11cyclictest311ktimers/211:48:412
1071440997155,11cyclictest311ktimers/211:48:412
107144099679,28cyclictest1103768-21/usr/sbin/munin10:15:192
1071436996020,7cyclictest0-21swapper/008:00:010
1071440995950,5cyclictest1108649-21munin-plugin-st10:45:002
107143699581,24cyclictest15-21rcuc/008:00:020
1071436995551,2cyclictest0-21swapper/008:30:000
1071436995546,4cyclictest0-21swapper/011:25:110
1071440995331,14cyclictest311ktimers/211:30:142
107143999531,13cyclictest0-21swapper/107:35:011
107143999531,13cyclictest0-21swapper/107:35:011
1071440995243,6cyclictest1072242-21munin-plugin-st07:15:002
1071439995237,11cyclictest1100946-21munin-plugin-st10:00:001
107143699521,36cyclictest15-21rcuc/009:25:010
107143999511,28cyclictest0-21swapper/112:25:001
1071436995142,7cyclictest1125587-21sendmail12:20:000
107143699511,48cyclictest0-21swapper/009:10:160
107143699510,8cyclictest0-21swapper/012:00:010
107144099509,10cyclictest1075903-21apt-get07:35:012
107144099509,10cyclictest1075903-21apt-get07:35:012
1071440995029,14cyclictest311ktimers/211:20:152
107143999501,27cyclictest0-21swapper/111:00:001
1071436995043,4cyclictest167350irq/118-8000000.ethernet-tx008:20:230
1071440994933,10cyclictest311ktimers/211:05:132
1071440994933,10cyclictest311ktimers/211:05:132
1071436994917,4cyclictest0-21swapper/011:10:000
1071436994917,4cyclictest0-21swapper/011:10:000
1071440994830,13cyclictest311ktimers/207:25:132
107143999480,27cyclictest22-21rcuc/111:25:011
107143999471,10cyclictest0-21swapper/108:40:191
107143699478,4cyclictest1123832-21sed12:05:290
1071436994737,6cyclictest0-21swapper/010:35:000
1071436994732,9cyclictest0-21swapper/012:30:280
1071436994732,9cyclictest0-21swapper/012:30:280
1071436994730,14cyclictest167350irq/118-8000000.ethernet-tx008:40:130
1071440994638,5cyclictest0-21swapper/207:45:012
1071440994634,8cyclictest0-21swapper/208:30:292
1071439994627,10cyclictest0-21swapper/107:25:271
107143699464,37cyclictest1074797-21ps07:25:250
1071440994529,12cyclictest311ktimers/211:55:152
1071440994526,13cyclictest311ktimers/212:25:142
1071439994532,9cyclictest0-21swapper/110:10:281
1071439994528,8cyclictest22-21rcuc/107:20:011
107143999451,27cyclictest0-21swapper/112:35:011
107143999451,27cyclictest0-21swapper/112:35:011
1071436994538,3cyclictest1107791-21apt10:40:000
1071436994538,3cyclictest1107791-21apt10:40:000
1071436994533,9cyclictest0-21swapper/011:20:000
1071436994533,9cyclictest0-21swapper/011:20:000
107143699452,41cyclictest0-21swapper/009:00:200
107143699451,2cyclictest0-21swapper/010:10:010
1071440994431,9cyclictest0-21swapper/208:05:002
1071440994423,15cyclictest311ktimers/212:35:152
107143999441,3cyclictest0-21swapper/109:10:011
1071436994438,3cyclictest167350irq/118-8000000.ethernet-tx009:50:120
107143699443,6cyclictest15-21rcuc/007:50:030
1071436994434,8cyclictest1104418-21munin-plugin-st10:20:000
1071439994335,4cyclictest47-21kauditd08:20:011
107143999431,4cyclictest0-21swapper/111:45:011
107143699431,4cyclictest0-21swapper/008:05:120
107143699431,38cyclictest0-21swapper/011:25:010
107143699431,35cyclictest0-21swapper/012:25:010
1071440994224,10cyclictest311ktimers/212:20:112
1071439994234,3cyclictest0-21swapper/110:30:151
1071439994233,5cyclictest0-21swapper/110:50:281
1071439994233,5cyclictest0-21swapper/110:50:281
1071439994229,9cyclictest0-21swapper/111:10:261
107143999421,25cyclictest0-21swapper/111:10:011
107143999421,25cyclictest0-21swapper/111:10:011
1071439994210,25cyclictest231ktimers/111:48:411
1071439994210,25cyclictest231ktimers/111:48:411
107143699426,30cyclictest0-21swapper/009:20:010
1071436994237,2cyclictest0-21swapper/011:50:230
1071436994225,8cyclictest0-21swapper/011:15:010
107143699421,5cyclictest1122696-21meminfo12:00:220
107143699421,5cyclictest1122696-21meminfo12:00:220
1071440994130,6cyclictest1078428-21grep07:45:272
1071440994121,14cyclictest311ktimers/209:15:122
1071440994110,6cyclictest0-21swapper/209:25:012
107143999414,20cyclictest1088214-21/usr/sbin/munin08:45:171
1071439994130,5cyclictest0-21swapper/108:35:251
1071439994129,9cyclictest0-21swapper/107:25:001
1071436994135,4cyclictest0-21swapper/008:50:200
1071436994131,6cyclictest0-21swapper/012:25:290
1071436994130,8cyclictest0-21swapper/012:39:590
1071436994130,8cyclictest0-21swapper/007:20:270
1071436994129,7cyclictest0-21swapper/009:35:280
1071436994127,9cyclictest0-21swapper/010:10:220
107143699412,5cyclictest1087191-21date08:40:010
1071436994125,11cyclictest0-21swapper/009:45:270
107143699411,3cyclictest0-21swapper/011:35:020
107143699411,38cyclictest0-21swapper/009:55:200
1071440994032,4cyclictest0-21swapper/210:00:282
1071440994032,4cyclictest0-21swapper/210:00:282
1071439994031,5cyclictest0-21swapper/109:45:211
1071439994030,5cyclictest0-21swapper/109:50:181
107143999402,32cyclictest1089982-21/usr/sbin/munin08:55:261
1071436994034,4cyclictest0-21swapper/010:55:120
1071436994033,4cyclictest167350irq/118-8000000.ethernet-tx010:25:170
107143699402,6cyclictest1261-21rs:main0
107143699402,6cyclictest1111709-21grep11:00:270
1071436994026,10cyclictest0-21swapper/008:45:270
107143699402,3cyclictest0-21swapper/007:40:200
1071440993931,4cyclictest0-21swapper/208:05:282
1071440993930,5cyclictest0-21swapper/211:40:282
1071440993929,6cyclictest0-21swapper/209:40:292
1071440993928,8cyclictest1125126-21sh12:15:202
1071440993927,7cyclictest1095703-21grep09:25:272
1071439993927,8cyclictest0-21swapper/112:00:271
1071439993927,8cyclictest0-21swapper/112:00:271
1071439993927,8cyclictest0-21swapper/109:35:281
1071439993927,8cyclictest0-21swapper/108:30:291
1071436993933,4cyclictest20850irq/208-8000000.ethernet07:35:010
1071436993933,4cyclictest20850irq/208-8000000.ethernet07:35:000
1071436993926,7cyclictest0-21swapper/007:15:280
1071436993922,15cyclictest0-21swapper/010:55:010
1071436993922,15cyclictest0-21swapper/010:55:010
107143699391,36cyclictest0-21swapper/007:35:260
1071440993829,5cyclictest1087955-21grep08:40:292
1071440993825,9cyclictest0-21swapper/207:55:482
1071440993825,7cyclictest0-21swapper/207:15:282
1071439993829,5cyclictest1072133-21grep07:10:281
1071439993828,6cyclictest0-21swapper/107:45:281
1071439993825,9cyclictest0-21swapper/112:35:211
1071439993823,12cyclictest0-21swapper/109:05:291
107143999381,10cyclictest0-21swapper/108:55:011
1071436993821,15cyclictest0-21swapper/009:30:050
107143699381,8cyclictest1090581-21head08:55:300
107143699381,35cyclictest0-21swapper/011:35:260
1071440993732,3cyclictest1079070-21phc2sys07:50:242
1071439993727,6cyclictest0-21swapper/110:40:241
1071439993725,9cyclictest1093450-21/usr/sbin/munin09:15:251
1071439993722,11cyclictest0-21swapper/110:35:291
1071439993722,11cyclictest0-21swapper/110:35:291
107143999371,2cyclictest0-21swapper/110:50:021
1071436993728,4cyclictest0-21swapper/010:40:270
107143699371,34cyclictest0-21swapper/010:00:100
107143699371,34cyclictest0-21swapper/010:00:100
1071440993628,5cyclictest1084430-21grep08:20:282
1071440993628,5cyclictest0-21swapper/211:15:282
1071440993628,5cyclictest0-21swapper/211:15:282
1071440993626,7cyclictest0-21swapper/208:55:302
1071440993625,7cyclictest0-21swapper/209:50:272
1071440993624,8cyclictest0-21swapper/210:45:262
107144099361,28cyclictest1098816-21lsblk09:45:212
1071439993627,5cyclictest0-21swapper/111:30:001
1071439993625,7cyclictest0-21swapper/111:35:291
1071439993624,8cyclictest0-21swapper/112:10:321
1071439993623,9cyclictest0-21swapper/110:20:271
1071439993623,9cyclictest0-21swapper/110:20:271
1071439993622,8cyclictest0-21swapper/111:00:201
107143999362,20cyclictest0-21swapper/109:25:011
1071439993620,9cyclictest0-21swapper/110:25:281
1071436993631,2cyclictest0-21swapper/009:05:210
107143699362,5cyclictest1086156-21grep08:30:290
1071436993625,8cyclictest0-21swapper/010:45:280
1071436993614,12cyclictest1111681-1kworker/0:0H+kblockd11:45:010
107144099359,12cyclictest1113060-21/usr/sbin/munin11:10:182
107144099358,19cyclictest30-21rcuc/209:10:192
1071440993528,4cyclictest167550irq/134-8000000.ethernet-tx210:00:002
1071440993525,7cyclictest1106898-21grep10:30:272
1071440993523,8cyclictest0-21swapper/212:10:322
107144099351,27cyclictest1096921-21/usr/sbin/munin09:35:252
1071439993525,7cyclictest0-21swapper/111:15:281
1071439993525,7cyclictest0-21swapper/111:15:281
1071439993520,10cyclictest0-21swapper/107:35:291
107143999351,9cyclictest0-21swapper/107:45:011
1071436993529,4cyclictest0-21swapper/010:20:130
1071436993529,4cyclictest0-21swapper/010:20:130
1071436993524,7cyclictest0-21swapper/008:10:290
1071440993425,5cyclictest1107745-21grep10:35:292
1071440993425,5cyclictest1107745-21grep10:35:292
107144099342,4cyclictest1104702-21diskstats10:20:172
107144099342,4cyclictest1104702-21diskstats10:20:172
1071440993423,7cyclictest0-21swapper/207:40:012
1071440993422,7cyclictest0-21swapper/211:35:202
1071439993425,5cyclictest0-21swapper/108:25:001
1071439993422,8cyclictest0-21swapper/112:25:281
1071436993419,13cyclictest0-21swapper/007:10:440
107143699341,4cyclictest0-21swapper/009:43:480
1071440993325,5cyclictest1105995-21grep10:25:282
1071440993325,4cyclictest0-21swapper/208:10:292
1071440993321,8cyclictest1085296-21grep08:25:272
1071440993321,10cyclictest311ktimers/211:00:122
107144099331,27cyclictest0-21swapper/208:35:152
1071439993325,5cyclictest0-21swapper/108:00:241
1071439993323,7cyclictest0-21swapper/112:15:271
1071439993322,7cyclictest0-21swapper/108:25:271
107143699332,4cyclictest1124333-21irqstats12:10:270
1071440993224,5cyclictest0-21swapper/210:10:282
1071440993222,6cyclictest0-21swapper/212:05:292
107144099321,25cyclictest0-21swapper/208:50:102
1071440993212,13cyclictest311ktimers/208:45:132
1071440993125,4cyclictest0-21swapper/210:50:162
1071440993125,4cyclictest0-21swapper/210:50:162
1071440993123,4cyclictest0-21swapper/208:15:212
1071440993121,7cyclictest0-21swapper/209:30:242
1071440993121,5cyclictest0-21swapper/212:00:192
1071440993121,5cyclictest0-21swapper/212:00:182
107144099311,28cyclictest0-21swapper/210:05:172
107144099311,24cyclictest0-21swapper/212:30:162
107144099311,24cyclictest0-21swapper/212:30:162
1071439993122,5cyclictest0-21swapper/109:30:261
1071439993119,8cyclictest1090992-21fschecks_time09:00:201
1071439993117,8cyclictest0-21swapper/110:15:291
107144099305,13cyclictest1091680-21/usr/sbin/munin09:05:192
1071440992919,6cyclictest0-21swapper/210:55:202
1071440992918,7cyclictest0-21swapper/209:00:222
1071439992919,5cyclictest0-21swapper/108:05:281
1071440992818,6cyclictest0-21swapper/211:25:282
1071439992820,5cyclictest1082748-21grep08:10:291
1071439992816,8cyclictest0-21swapper/111:30:201
1071439992720,4cyclictest0-21swapper/107:55:361
107143999271,23cyclictest1102720-21sshd10:09:421
1071440992515,6cyclictest0-21swapper/211:50:272
1071439992517,4cyclictest0-21swapper/111:50:271
1071439992515,6cyclictest0-21swapper/109:40:281
107143699252,15cyclictest1071486-21cat07:10:010
107144099215,11cyclictest0-21swapper/207:10:002
1071439992116,3cyclictest1071397-21latency_hist07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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