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2026-09-08 - 19:55

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 Tue Sep 08, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1140761995741,13cyclictest32-21ksoftirqd/207:55:012
1140756995750,5cyclictest131ktimers/008:40:010
1140761995347,4cyclictest30-21rcuc/210:30:012
1140761995347,4cyclictest30-21rcuc/210:30:002
1140761995244,5cyclictest1152823-21apt08:20:012
1140761995214,16cyclictest14-21rcu_preempt12:00:012
1140761995214,16cyclictest14-21rcu_preempt12:00:012
1140756995232,15cyclictest15-21rcuc/012:00:150
1140756995232,15cyclictest15-21rcuc/012:00:150
1140756995143,4cyclictest167350irq/118-8000000.ethernet-tx009:50:200
114075699511,48cyclictest0-21swapper/009:00:110
114075699511,46cyclictest1163791-21grep09:20:290
1140756995037,9cyclictest15-21rcuc/010:30:180
1140756995032,15cyclictest167350irq/118-8000000.ethernet-tx010:45:230
114075999497,22cyclictest0-21swapper/109:45:011
1140756994931,13cyclictest131ktimers/009:35:130
1140756994930,14cyclictest15-21rcuc/011:00:170
1140756994930,14cyclictest15-21rcuc/011:00:170
1140756994928,14cyclictest131ktimers/010:05:120
114075699492,5cyclictest1173190-21grep10:15:300
1140756994829,16cyclictest167350irq/118-8000000.ethernet-tx009:15:260
1140756994829,16cyclictest167350irq/118-8000000.ethernet-tx009:15:260
1140756994829,15cyclictest131ktimers/008:30:140
1140756994825,17cyclictest131ktimers/009:05:120
1140761994738,6cyclictest30-21rcuc/210:15:212
1140756994740,4cyclictest167350irq/118-8000000.ethernet-tx012:15:180
1140756994739,5cyclictest0-21swapper/010:45:000
114075699472,40cyclictest1167280-21http09:45:000
114075999466,31cyclictest0-21swapper/110:45:011
1140756994639,4cyclictest167350irq/118-8000000.ethernet-tx011:25:170
1140756994639,4cyclictest167350irq/118-8000000.ethernet-tx011:25:170
1140756994638,4cyclictest167350irq/118-8000000.ethernet-tx011:10:160
114075699461,5cyclictest1145143-21unixbench_multi07:30:320
1140761994532,9cyclictest311ktimers/211:50:122
1140759994536,6cyclictest1166312-21grep09:35:301
1140759994531,9cyclictest0-21swapper/111:25:271
1140759994531,9cyclictest0-21swapper/111:25:271
1140759994529,10cyclictest1190423-21sendmail12:00:001
1140756994530,9cyclictest0-21swapper/011:30:280
114075699451,8cyclictest1147563-21gzip07:45:270
114075699451,8cyclictest1147563-21gzip07:45:270
114075699451,41cyclictest1152504-21phc2sys08:15:250
114075699451,3cyclictest1153131-21fschecks_count08:20:210
114075699451,2cyclictest0-21swapper/010:10:210
114075699451,2cyclictest0-21swapper/008:15:010
1140759994430,11cyclictest231ktimers/111:00:141
1140759994430,11cyclictest231ktimers/111:00:141
114075999441,34cyclictest0-21swapper/110:15:301
114075699443,5cyclictest1195063-21cat12:25:220
1140756994433,7cyclictest1186972-21sendmail-msp11:40:000
1140756994424,16cyclictest20850irq/208-8000000.ethernet10:50:250
114075699441,5cyclictest1141490-21grep07:10:300
1140756994415,27cyclictest0-21swapper/010:20:270
114075699441,4cyclictest1144049-21/usr/sbin/munin07:25:230
1140761994336,5cyclictest311ktimers/208:05:022
1140761994332,7cyclictest0-21swapper/211:20:282
1140756994332,7cyclictest0-21swapper/007:20:260
1140756994329,10cyclictest131ktimers/012:20:110
114075699432,37cyclictest1158366-21fschecks_time08:50:200
114075699431,3cyclictest0-21swapper/012:05:250
114075699431,39cyclictest1159174-21fschecks_time08:55:180
1140761994234,4cyclictest0-21swapper/210:10:002
1140761994224,7cyclictest0-21swapper/210:30:312
1140759994232,6cyclictest167450irq/126-8000000.ethernet-tx107:15:291
1140759994232,6cyclictest1180063-21grep10:55:291
114075999421,36cyclictest1164633-21unixbench_multi09:25:281
1140756994237,4cyclictest0-21swapper/008:45:110
1140756994234,6cyclictest0-21swapper/012:10:140
114075699422,37cyclictest1189142-21sshd11:50:210
114075699421,6cyclictest1148221-21irqstats07:50:220
114075699421,4cyclictest1153936-21df08:25:180
114075699421,4cyclictest1153936-21df08:25:180
114075699421,3cyclictest1181799-21latency_hist11:10:000
1140761994132,5cyclictest0-21swapper/209:55:292
1140761994129,8cyclictest1166384-21grep09:35:302
114075999418,19cyclictest1196528-21/usr/sbin/munin12:35:191
1140759994128,8cyclictest0-21swapper/110:35:291
1140759994117,10cyclictest1169241-21/usr/sbin/munin09:55:191
1140759994112,17cyclictest1168402-21/usr/sbin/munin09:50:191
1140756994134,4cyclictest0-21swapper/007:15:150
1140756994131,5cyclictest0-21swapper/007:40:290
114075699412,4cyclictest1149724-21df_inode08:00:160
114075699412,34cyclictest1161721-21sh09:10:200
114075699411,5cyclictest0-21swapper/007:10:010
114075699411,5cyclictest0-21swapper/007:10:010
114075699411,38cyclictest0-21swapper/011:15:270
114075699411,38cyclictest0-21swapper/010:00:170
114075699411,2cyclictest0-21swapper/012:30:270
114075699411,2cyclictest0-21swapper/008:45:010
1140761994032,5cyclictest1190421-21munin-plugin-st12:00:002
1140761994031,7cyclictest311ktimers/208:10:142
1140761994031,5cyclictest1159557-21grep08:55:262
1140759994031,5cyclictest1195491-21munin-plugin-st12:30:001
1140759994025,10cyclictest0-21swapper/108:35:001
1140759994024,9cyclictest0-21swapper/111:40:291
114075999401,10cyclictest0-21swapper/108:15:011
114075699401,4cyclictest1150700-21perl08:05:210
114075699401,4cyclictest1145526-21lsblk07:35:190
114075699401,36cyclictest1188716-21users11:45:300
114075699401,36cyclictest1165578-21latency_hist09:35:000
114075699401,36cyclictest0-21swapper/009:55:260
1140761993931,4cyclictest0-21swapper/211:00:002
1140761993930,5cyclictest0-21swapper/211:15:002
1140761993923,9cyclictest0-21swapper/212:30:282
1140761993922,8cyclictest0-21swapper/211:30:012
1140761993922,8cyclictest0-21swapper/211:30:012
114076199391,14cyclictest0-21swapper/207:25:022
1140759993925,9cyclictest0-21swapper/111:25:011
114075999391,31cyclictest1191168-21unixbench_multi12:00:281
114075999391,31cyclictest1191168-21unixbench_multi12:00:281
1140756993923,14cyclictest0-21swapper/010:55:270
114075699391,3cyclictest1196531-21apt-get12:35:130
114075699391,3cyclictest0-21swapper/009:45:040
114075699391,3cyclictest0-21swapper/009:45:040
114075699391,35cyclictest1187434-21irqstats11:40:240
114075699391,35cyclictest1149068-21grep07:55:250
1140761993830,4cyclictest0-21swapper/209:35:002
1140761993828,6cyclictest1183432-21grep11:15:292
1140761993828,5cyclictest0-21swapper/211:40:012
1140761993824,9cyclictest0-21swapper/207:15:212
114075999389,18cyclictest1174321-21/usr/sbin/munin10:25:181
114075999389,18cyclictest1174321-21/usr/sbin/munin10:25:181
1140759993831,4cyclictest0-21swapper/112:15:221
1140759993831,3cyclictest1192844-21unixbench_multi12:10:281
1140759993826,8cyclictest0-21swapper/109:15:291
1140759993826,8cyclictest0-21swapper/109:15:281
1140759993826,7cyclictest0-21swapper/110:20:261
1140759993823,10cyclictest0-21swapper/107:40:281
114075999381,5cyclictest0-21swapper/107:30:011
1140759993814,5cyclictest1145425-21/usr/sbin/munin07:35:181
114075699381,3cyclictest1190530-21cat12:00:010
114075699381,3cyclictest1176069-21df10:35:190
114075699381,35cyclictest0-21swapper/010:25:110
114075699381,35cyclictest0-21swapper/010:25:110
114075699381,35cyclictest0-21swapper/009:25:140
1140761993730,4cyclictest30-21rcuc/212:30:022
1140761993727,5cyclictest0-21swapper/212:09:592
1140761993725,8cyclictest0-21swapper/212:20:002
1140761993723,10cyclictest0-21swapper/210:50:282
114076199371,30cyclictest0-21swapper/212:20:212
1140759993727,5cyclictest0-21swapper/108:20:301
1140759993726,5cyclictest0-21swapper/108:15:201
1140759993722,8cyclictest0-21swapper/108:50:271
1140759993722,7cyclictest0-21swapper/112:30:271
114075999371,3cyclictest0-21swapper/108:05:011
114075699371,34cyclictest0-21swapper/011:20:120
1140761993629,4cyclictest167550irq/134-8000000.ethernet-tx209:15:292
1140761993629,4cyclictest167550irq/134-8000000.ethernet-tx209:15:292
1140761993627,5cyclictest0-21swapper/208:20:302
1140761993623,5cyclictest0-21swapper/211:45:022
1140761993622,10cyclictest0-21swapper/211:00:222
1140761993622,10cyclictest0-21swapper/211:00:222
114075999369,10cyclictest1157056-21apt-get08:45:021
114075999363,2cyclictest0-21swapper/107:50:011
114075999363,2cyclictest0-21swapper/107:50:011
1140759993627,5cyclictest1178322-21unixbench_multi10:45:281
1140759993626,5cyclictest0-21swapper/110:00:191
1140759993625,7cyclictest1188690-21grep11:45:291
1140759993624,8cyclictest0-21swapper/111:35:291
1140759993624,6cyclictest0-21swapper/109:30:211
1140759993622,8cyclictest0-21swapper/109:05:291
1140759993619,12cyclictest231ktimers/111:30:291
1140761993526,5cyclictest0-21swapper/211:30:282
1140761993526,5cyclictest0-21swapper/208:50:002
1140761993523,5cyclictest0-21swapper/207:10:162
1140761993521,8cyclictest0-21swapper/208:50:182
1140761993520,10cyclictest0-21swapper/207:40:252
114076199351,4cyclictest0-21swapper/210:15:012
114076199351,3cyclictest1188453-21phc2sys-jitter11:45:262
1140759993524,6cyclictest0-21swapper/109:10:281
1140761993423,7cyclictest1145111-21grep07:30:322
1140759993426,4cyclictest0-21swapper/110:50:211
114076199335,24cyclictest30-21rcuc/210:45:142
1140761993325,5cyclictest0-21swapper/209:50:292
1140761993325,4cyclictest0-21swapper/209:45:282
1140761993325,4cyclictest0-21swapper/209:45:282
1140761993320,9cyclictest0-21swapper/209:45:012
1140761993320,7cyclictest1181735-21grep11:05:292
114076199331,26cyclictest0-21swapper/207:45:112
114076199331,26cyclictest0-21swapper/207:45:102
114076199331,26cyclictest0-21swapper/207:25:112
114075999336,21cyclictest0-21swapper/108:25:321
114075999336,21cyclictest0-21swapper/108:25:321
1140759993324,5cyclictest0-21swapper/112:20:181
1140759993323,5cyclictest0-21swapper/111:10:201
1140759993322,6cyclictest0-21swapper/107:50:181
1140759993320,9cyclictest0-21swapper/109:20:281
114075999331,29cyclictest1145165-21unixbench_singl07:30:321
114075999331,25cyclictest1142907-21/usr/sbin/munin07:20:251
1140761993225,4cyclictest1156195-21sendmail08:40:002
1140761993223,7cyclictest1160844-21sh09:05:192
1140761993221,8cyclictest1159881-21/usr/sbin/munin09:00:212
1140761993221,6cyclictest0-21swapper/208:25:232
1140761993221,6cyclictest0-21swapper/208:25:222
1140761993219,9cyclictest0-21swapper/210:35:302
114076199321,25cyclictest0-21swapper/207:35:192
1140759993222,7cyclictest1183382-21grep11:15:291
1140761993124,4cyclictest0-21swapper/208:00:002
1140761993121,7cyclictest1192846-21grep12:10:282
114076199311,18cyclictest30-21rcuc/209:25:112
114075999312,5cyclictest1660-21snmpd10:10:211
114075999311,25cyclictest0-21swapper/110:05:281
1140761993021,6cyclictest0-21swapper/208:40:312
1140761993020,6cyclictest0-21swapper/210:20:262
1140761993013,9cyclictest0-21swapper/210:45:022
114075999301,2cyclictest0-21swapper/108:35:271
1140759993010,13cyclictest1159023-21/usr/sbin/munin08:55:171
1140761992924,3cyclictest167550irq/134-8000000.ethernet-tx209:10:212
1140759992924,3cyclictest0-21swapper/108:45:281
1140759992918,7cyclictest0-21swapper/107:55:301
114075999291,4cyclictest0-21swapper/107:10:011
114075999291,4cyclictest0-21swapper/107:10:011
1140759992820,4cyclictest0-21swapper/111:50:201
1140759992819,7cyclictest1160514-21sshd09:04:421
1140759992817,6cyclictest231ktimers/107:10:191
1140759992816,8cyclictest0-21swapper/108:05:291
1140761992717,7cyclictest0-21swapper/208:05:282
1140761992715,7cyclictest0-21swapper/210:00:272
1140759992718,7cyclictest1175281-21grep10:30:221
1140759992714,7cyclictest0-21swapper/111:10:011
114075999271,24cyclictest0-21swapper/109:45:281
114075999271,24cyclictest0-21swapper/109:45:281
1140759992615,8cyclictest231ktimers/112:05:161
1140761992516,7cyclictest311ktimers/208:30:132
1140761992514,8cyclictest0-21swapper/209:25:002
1140761992415,7cyclictest311ktimers/212:35:232
114076199176,7cyclictest0-21swapper/207:10:012
114076199176,7cyclictest0-21swapper/207:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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