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2026-05-25 - 13:55

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #5

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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  Phytec
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot5s.osadl.org (updated Mon May 25, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
747380995042,5cyclictest758553-21apt-get19:40:011
747373994638,4cyclictest749259-21latency_hist19:15:010
747387994533,8cyclictest805256-21munin-plugin-st21:55:003
74737399443,9cyclictest11-21ksoftirqd/020:35:140
74737399443,9cyclictest11-21ksoftirqd/020:35:130
747373994436,4cyclictest820806-21latency_hist22:40:010
747373994436,4cyclictest820806-21latency_hist22:40:000
747373994433,7cyclictest752766-21grep19:20:240
747387994234,4cyclictest847235-21idleruntime-cro23:55:003
747383994233,6cyclictest859611-21fschecks_time00:30:162
747380994234,4cyclictest0-21swapper/121:00:161
74737399421,9cyclictest11-21ksoftirqd/022:00:120
74737399421,9cyclictest11-21ksoftirqd/022:00:120
747383994132,6cyclictest797096-21fschecks_count21:30:152
747383994032,4cyclictest0-21swapper/223:00:002
747383994030,6cyclictest822053-21unixbench_multi22:40:252
747373994032,5cyclictest805248-21apt-get21:55:010
747387993931,5cyclictest850652-21munin-plugin-st00:05:013
747373993932,5cyclictest121ktimers/020:00:110
747373993929,5cyclictest0-21swapper/022:27:300
747373993926,10cyclictest121ktimers/019:15:140
747387993831,4cyclictest860887-21cron00:35:003
747387993824,8cyclictest0-21swapper/319:40:003
747383993831,3cyclictest0-21swapper/221:45:002
747383993828,7cyclictest840353-21latency_hist23:35:012
747380993828,6cyclictest0-21swapper/120:15:001
74737399381,9cyclictest11-21ksoftirqd/020:25:120
74737399381,9cyclictest11-21ksoftirqd/000:30:120
74737399381,8cyclictest11-21ksoftirqd/021:55:120
747383993726,7cyclictest0-21swapper/219:15:012
747373993729,5cyclictest438-21cron19:40:000
747373993716,7cyclictest0-21swapper/023:00:000
74737399371,10cyclictest11-21ksoftirqd/019:50:140
747387993626,4cyclictest0-21swapper/320:15:163
747387993625,8cyclictest786263-21apt21:00:003
747383993630,4cyclictest747126-21kworker/u8:1+events_unbound19:21:562
747383993628,5cyclictest781374-21fschecks_time20:45:162
747383993627,7cyclictest311ktimers/219:25:132
747383993627,6cyclictest793742-21fschecks_time21:20:152
747383993626,7cyclictest0-21swapper/223:15:012
747380993627,5cyclictest0-21swapper/123:15:001
747373993623,9cyclictest121ktimers/020:45:120
747380993527,4cyclictest0-21swapper/121:10:001
747373993526,6cyclictest840187-21cron23:35:000
747373993525,5cyclictest0-21swapper/019:26:560
747387993427,4cyclictest749707-21gdbus19:15:023
747387993426,4cyclictest0-21swapper/323:15:253
747387993424,6cyclictest0-21swapper/319:35:003
747383993426,4cyclictest0-21swapper/200:00:162
747383993425,6cyclictest815695-21cron22:25:022
747383993425,5cyclictest0-21swapper/219:20:002
747383993423,7cyclictest765175-21grep19:55:262
747383993422,8cyclictest0-21swapper/222:15:252
747383993422,4cyclictest780603-21kworker/u8:2+events_unbound21:02:162
747380993426,4cyclictest0-21swapper/100:40:011
747373993423,6cyclictest0-21swapper/020:05:270
747387993323,7cyclictest807167-21munin-plugin-st22:00:013
747383993325,4cyclictest0-21swapper/219:35:262
747383993324,5cyclictest0-21swapper/222:30:162
747383993323,6cyclictest0-21swapper/220:15:262
747380993325,4cyclictest0-21swapper/120:30:251
747380993323,7cyclictest0-21swapper/123:05:001
74737399338,5cyclictest131rcu_preempt22:10:130
74737399332,7cyclictest855753-21cron00:20:000
74737399332,7cyclictest855753-21cron00:20:000
747373993326,3cyclictest0-21swapper/000:40:000
74737399331,9cyclictest11-21ksoftirqd/023:00:140
74737399331,9cyclictest11-21ksoftirqd/022:45:130
747387993224,4cyclictest0-21swapper/322:35:273
747387993224,4cyclictest0-21swapper/322:35:263
747387993224,4cyclictest0-21swapper/319:45:253
747387993223,4cyclictest0-21swapper/320:35:003
747387993221,6cyclictest0-21swapper/319:52:013
747383993226,4cyclictest852307-21kworker/u8:2+events_unbound00:23:302
747383993222,6cyclictest853623-21grep00:10:242
747383993222,6cyclictest0-21swapper/220:20:262
747373993224,4cyclictest0-21swapper/023:25:250
747373993220,10cyclictest151rcuc/019:30:120
747387993123,4cyclictest0-21swapper/322:45:003
747387993120,6cyclictest0-21swapper/321:10:273
747383993125,3cyclictest808886-21munin-plugin-st22:05:002
747383993125,3cyclictest808886-21munin-plugin-st22:05:002
747380993123,4cyclictest0-21swapper/120:42:111
747387993022,4cyclictest0-21swapper/322:45:303
747387993020,6cyclictest0-21swapper/321:15:263
747383993023,3cyclictest0-21swapper/222:30:012
747383993022,4cyclictest0-21swapper/220:05:262
747380993023,5cyclictest852307-21kworker/u8:2+events_unbound00:18:291
747380993023,5cyclictest852307-21kworker/u8:2+events_unbound00:18:281
747380993020,7cyclictest0-21swapper/123:30:261
747380993020,6cyclictest0-21swapper/122:30:251
747380993020,6cyclictest0-21swapper/121:30:011
74737399307,12cyclictest770317-21taskset20:10:260
747373993024,3cyclictest0-21swapper/000:15:000
747373993022,6cyclictest775578-21kworker/u8:0+events_unbound20:55:120
747373993022,4cyclictest0-21swapper/020:40:240
747387992922,3cyclictest0-21swapper/322:10:253
747387992921,5cyclictest0-21swapper/320:20:153
747387992921,4cyclictest0-21swapper/322:50:273
747387992921,4cyclictest0-21swapper/321:20:163
74738399292,6cyclictest131rcu_preempt23:55:112
747383992923,3cyclictest0-21swapper/221:45:142
747383992922,4cyclictest793306-21kthreadd21:20:002
747383992921,4cyclictest0-21swapper/219:30:252
747383992920,6cyclictest311ktimers/220:50:052
747383992919,6cyclictest0-21swapper/222:05:262
747383992919,6cyclictest0-21swapper/221:10:282
747380992920,6cyclictest827432-21unixbench_singl22:55:241
747380992920,5cyclictest0-21swapper/123:20:001
747380992918,7cyclictest0-21swapper/121:40:011
747373992923,4cyclictest780603-21kworker/u8:2+events_unbound21:15:410
747373992922,5cyclictest751353-21kworker/u8:2+events_unbound20:20:420
747373992922,4cyclictest0-21swapper/023:20:240
747373992919,6cyclictest848462-21grep23:55:240
747373992918,5cyclictest131rcu_preempt23:40:160
747387992820,4cyclictest0-21swapper/323:00:003
747383992822,3cyclictest0-21swapper/223:40:252
747383992820,5cyclictest0-21swapper/220:45:012
747383992819,5cyclictest0-21swapper/223:50:002
74738099287,6cyclictest797130-21fschecks_count21:30:151
747380992820,4cyclictest0-21swapper/123:25:001
747380992817,7cyclictest0-21swapper/122:25:251
747380992817,7cyclictest0-21swapper/120:50:011
747380992817,7cyclictest0-21swapper/119:45:241
74737399286,11cyclictest0-21swapper/021:30:350
747373992821,5cyclictest769224-21kworker/u8:0+events_unbound20:18:130
747373992817,7cyclictest765128-21grep19:55:260
747387992718,5cyclictest0-21swapper/320:35:173
747387992718,5cyclictest0-21swapper/320:35:173
747387992715,7cyclictest0-21swapper/323:55:243
74738799270,5cyclictest0-21swapper/320:06:583
747383992717,6cyclictest0-21swapper/222:15:002
747383992714,10cyclictest311ktimers/220:35:132
747383992714,10cyclictest311ktimers/220:35:132
747380992720,4cyclictest0-21swapper/121:15:011
747380992720,4cyclictest0-21swapper/120:55:251
747380992719,4cyclictest0-21swapper/123:25:151
747380992718,6cyclictest795044-21basename21:25:001
747380992717,6cyclictest0-21swapper/122:20:011
747380992716,8cyclictest805394-21sed21:55:011
747380992714,7cyclictest848949-21sendmail00:00:001
74737399276,11cyclictest0-21swapper/023:18:440
74737399275,3cyclictest131rcu_preempt21:05:170
747373992721,4cyclictest831298-21kworker/u8:2+events_unbound23:07:400
74737399272,10cyclictest814012-21sendmail-msp22:20:010
747373992720,4cyclictest0-21swapper/023:10:240
747373992717,7cyclictest0-21swapper/000:20:250
747373992717,6cyclictest0-21swapper/021:45:010
747373992711,5cyclictest131rcu_preempt00:05:160
747387992619,4cyclictest0-21swapper/300:05:283
747387992619,3cyclictest0-21swapper/323:00:173
747387992618,4cyclictest0-21swapper/323:50:003
747387992618,4cyclictest0-21swapper/323:35:003
747387992618,4cyclictest0-21swapper/320:45:263
747387992617,6cyclictest767309-21cron20:05:013
747387992616,6cyclictest0-21swapper/323:20:243
747387992615,7cyclictest0-21swapper/321:45:233
74738399265,7cyclictest131rcu_preempt19:40:122
747383992620,4cyclictest789556-21kworker/u8:1+events_unbound21:37:232
747383992619,4cyclictest0-21swapper/221:00:012
747383992619,4cyclictest0-21swapper/219:45:242
747383992615,6cyclictest0-21swapper/223:25:242
747383992612,11cyclictest311ktimers/222:50:132
747380992616,6cyclictest0-21swapper/122:55:011
747380992615,8cyclictest820338-21grep22:35:261
747380992615,8cyclictest820338-21grep22:35:261
747373992615,8cyclictest803087-21grep21:45:230
747373992614,8cyclictest846285-21ntpq23:50:190
74737399261,13cyclictest0-21swapper/000:04:470
74737399261,11cyclictest0-21swapper/000:26:120
74737399260,18cyclictest131rcu_preempt22:05:260
74737399260,14cyclictest799906-21runrttasks21:37:230
747387992517,5cyclictest775578-21kworker/u8:0+events_unbound20:27:093
747387992517,4cyclictest0-21swapper/319:10:263
747387992515,6cyclictest0-21swapper/323:05:233
747387992515,6cyclictest0-21swapper/320:50:303
747383992519,4cyclictest760111-21kworker/u8:4+events_unbound20:31:092
747383992519,4cyclictest311ktimers/200:36:052
747383992519,3cyclictest836367-21grep23:20:242
747383992519,3cyclictest0-21swapper/219:50:272
747383992518,5cyclictest760111-21kworker/u8:4+events_unbound20:04:542
747383992516,6cyclictest831253-21unixbench_singl23:05:232
747383992516,6cyclictest0-21swapper/222:40:002
747383992516,6cyclictest0-21swapper/222:40:002
747383992514,7cyclictest311ktimers/222:45:052
747383992514,6cyclictest0-21swapper/200:15:272
747383992514,6cyclictest0-21swapper/200:15:272
74738399250,15cyclictest0-21swapper/221:55:122
747380992518,4cyclictest0-21swapper/121:45:231
747380992518,3cyclictest0-21swapper/119:25:181
747380992515,6cyclictest0-21swapper/119:45:011
747380992514,7cyclictest0-21swapper/122:45:001
747380992513,8cyclictest0-21swapper/119:15:251
74737399257,12cyclictest131rcu_preempt23:45:150
74737399253,12cyclictest752980-21kworker/0:0+events22:21:420
747373992519,4cyclictest813939-21kworker/u8:1+events_unbound22:40:170
747373992518,5cyclictest793940-21sort21:20:180
747373992518,5cyclictest780603-21kworker/u8:2+events_unbound21:10:320
747373992518,4cyclictest818679-21head22:30:250
747373992517,3cyclictest131rcu_preempt23:40:010
747373992516,5cyclictest796246-21unixbench_multi21:25:260
74737399251,4cyclictest11-21ksoftirqd/019:40:240
747373992510,3cyclictest0-21swapper/020:51:560
747387992417,4cyclictest0-21swapper/321:05:173
747387992416,4cyclictest0-21swapper/319:41:593
747387992416,4cyclictest0-21swapper/300:20:003
747387992416,4cyclictest0-21swapper/300:20:003
747387992413,7cyclictest0-21swapper/323:25:243
747383992418,3cyclictest0-21swapper/221:10:012
747383992414,7cyclictest32-21ksoftirqd/200:05:262
747383992413,7cyclictest0-21swapper/221:25:252
747380992418,3cyclictest0-21swapper/119:30:211
747380992417,4cyclictest0-21swapper/123:05:161
747380992417,4cyclictest0-21swapper/122:20:151
747380992417,4cyclictest0-21swapper/122:10:151
747380992416,4cyclictest0-21swapper/121:40:241
747380992416,4cyclictest0-21swapper/120:10:001
747380992414,7cyclictest0-21swapper/100:29:591
74737399247,3cyclictest131rcu_preempt21:00:270
74737399247,10cyclictest11-21ksoftirqd/022:50:190
74737399244,11cyclictest11-21ksoftirqd/019:45:210
747387992317,3cyclictest0-21swapper/322:20:173
747387992315,4cyclictest0-21swapper/320:40:263
747387992314,6cyclictest764250-21fschecks_count19:55:173
747383992317,3cyclictest0-21swapper/223:50:152
74738399231,12cyclictest0-21swapper/223:38:172
747380992317,3cyclictest0-21swapper/120:25:161
747380992316,4cyclictest0-21swapper/122:00:131
747380992316,4cyclictest0-21swapper/122:00:131
747380992316,4cyclictest0-21swapper/119:25:001
747380992316,3cyclictest0-21swapper/120:35:271
747380992316,3cyclictest0-21swapper/120:35:271
74738099231,5cyclictest773286-21ps20:20:221
747380992314,6cyclictest0-21swapper/119:15:021
747380992313,5cyclictest0-21swapper/121:55:131
747387992216,3cyclictest0-21swapper/322:15:143
747387992216,3cyclictest0-21swapper/321:25:143
747387992216,3cyclictest0-21swapper/300:10:243
747387992215,5cyclictest391ktimers/323:10:243
747387992215,4cyclictest0-21swapper/319:20:263
747387992214,5cyclictest391ktimers/300:25:193
747387992213,6cyclictest0-21swapper/320:10:233
747383992216,4cyclictest855513-21kworker/u8:1+events_unbound00:26:322
747383992214,5cyclictest0-21swapper/223:15:152
747380992217,3cyclictest824565-21latency_hist22:50:011
747380992216,4cyclictest775578-21kworker/u8:0+events_unbound20:52:161
747380992216,4cyclictest764290-21fschecks_count19:55:171
747380992216,3cyclictest0-21swapper/123:40:181
747380992216,3cyclictest0-21swapper/100:10:141
747380992214,6cyclictest231ktimers/121:15:031
747380992214,4cyclictest0-21swapper/100:25:001
747380992213,6cyclictest771990-21head20:15:261
747380992213,6cyclictest0-21swapper/122:05:271
747387992115,3cyclictest645-21runrttasks21:40:153
747387992115,3cyclictest0-21swapper/323:40:163
747387992114,3cyclictest0-21swapper/300:35:273
747383992112,6cyclictest0-21swapper/223:05:012
747383992112,6cyclictest0-21swapper/220:10:242
747380992115,3cyclictest0-21swapper/123:50:151
747380992115,3cyclictest0-21swapper/119:50:171
747380992113,5cyclictest231ktimers/100:10:001
747380992113,5cyclictest231ktimers/100:00:141
747387992014,4cyclictest856213-21fschecks_time00:20:173
747387992014,3cyclictest0-21swapper/322:25:153
747387992014,3cyclictest0-21swapper/319:25:213
747387992010,6cyclictest0-21swapper/321:35:263
74738399207,7cyclictest131rcu_preempt21:53:472
747383992014,3cyclictest0-21swapper/220:27:072
74738099201,4cyclictest0-21swapper/100:30:231
747380992013,4cyclictest0-21swapper/123:35:171
74738799199,6cyclictest0-21swapper/322:05:213
747380991910,6cyclictest0-21swapper/123:45:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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