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2026-06-22 - 19:31

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 all highest latencies:
System rackbslot5s.osadl.org (updated Mon Jun 22, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1170769996049,7cyclictest1241419-21grep10:30:263
1170760995931,24cyclictest1281276-21ls12:30:001
1170769994836,8cyclictest391ktimers/310:10:113
1170769994835,9cyclictest391ktimers/308:50:143
1170769994835,5cyclictest1208991-21kworker/u8:3+events_unbound09:15:413
1170760994722,5cyclictest1235007-21debian-sa110:15:021
1170755994636,7cyclictest1200242-21grep08:30:250
1170769994539,4cyclictest1179709-21kworker/u8:3+events_unbound08:00:073
1170769994435,7cyclictest1212494-21kworker/u8:1+events_unbound09:50:443
1170769994435,7cyclictest1212494-21kworker/u8:1+events_unbound09:50:433
1170769994431,8cyclictest1223063-21cron09:40:003
1170755994436,4cyclictest0-21swapper/012:35:000
1170755994436,4cyclictest0-21swapper/012:35:000
1170760994335,5cyclictest1250352-21cron11:00:001
1170755994133,5cyclictest1177323-21kworker/u8:2+events_unbound07:45:040
1170769994029,7cyclictest1260800-21cron11:29:593
1170769993927,9cyclictest1170749-21cyclictest12:30:133
1170769993927,9cyclictest1170749-21cyclictest12:30:123
1170760993925,10cyclictest231ktimers/110:00:111
1170755993931,4cyclictest0-21swapper/011:00:000
1170769993826,8cyclictest1262077-21grep11:30:273
1170764993831,5cyclictest311ktimers/208:30:132
1170755993831,3cyclictest0-21swapper/011:05:000
1170764993725,8cyclictest1258666-21grep11:20:222
1170755993726,6cyclictest0-21swapper/008:20:250
1170769993630,4cyclictest1246657-21kworker/u8:2+events_unbound11:05:523
1170769993628,6cyclictest1212494-21kworker/u8:1+events_unbound09:10:403
1170769993614,6cyclictest131rcu_preempt07:40:103
1170764993628,4cyclictest0-21swapper/212:20:152
1170764993626,6cyclictest1284666-21cron12:40:002
1170764993625,7cyclictest1176404-21cron07:25:012
1170760993626,6cyclictest0-21swapper/109:10:011
1170760993623,10cyclictest231ktimers/107:30:131
1170755993629,4cyclictest1277864-21sendmail12:20:000
1170769993527,5cyclictest1195590-21munin-plugin-st08:20:013
1170764993527,4cyclictest0-21swapper/208:55:002
1170760993527,4cyclictest0-21swapper/109:40:001
1170760993526,4cyclictest0-21swapper/111:56:021
1170769993423,6cyclictest0-21swapper/310:05:263
1170764993427,3cyclictest0-21swapper/209:35:162
1170764993425,6cyclictest1221371-21auditctl09:35:002
1170764993424,6cyclictest1241826-21sh10:35:012
1170764993424,6cyclictest1180189-21fschecks_count07:35:152
1170760993423,8cyclictest0-21swapper/111:55:011
1170760993423,6cyclictest0-21swapper/107:55:231
1170755993426,5cyclictest1233319-21cut10:10:010
1170755993423,7cyclictest0-21swapper/009:05:010
1170755993423,7cyclictest0-21swapper/009:05:000
1170755993423,6cyclictest1219247-21grep09:25:250
1170769993325,4cyclictest1196024-21fschecks_time08:20:163
1170769993323,7cyclictest0-21swapper/309:00:263
1170769993323,7cyclictest0-21swapper/309:00:263
1170764993326,3cyclictest0-21swapper/209:40:152
1170764993322,6cyclictest0-21swapper/210:05:012
1170760993324,5cyclictest0-21swapper/111:15:151
1170760993324,5cyclictest0-21swapper/111:15:151
1170755993326,4cyclictest0-21swapper/007:45:010
1170769993224,5cyclictest0-21swapper/310:15:243
1170769993224,4cyclictest0-21swapper/312:25:253
1170769993223,5cyclictest0-21swapper/310:55:003
1170769993223,4cyclictest0-21swapper/308:30:283
1170769993219,10cyclictest391ktimers/312:10:113
1170769993218,5cyclictest1248593-21kworker/u8:3+events_unbound11:40:143
1170769993214,10cyclictest131rcu_preempt07:20:203
1170764993226,3cyclictest1179815-21kthreadd07:35:012
1170764993224,4cyclictest0-21swapper/211:30:262
1170764993224,4cyclictest0-21swapper/209:05:252
1170764993223,5cyclictest0-21swapper/208:15:022
1170764993223,5cyclictest0-21swapper/208:15:012
1170764993221,6cyclictest0-21swapper/208:00:002
1170760993225,4cyclictest0-21swapper/108:50:251
1170755993222,6cyclictest1275691-21grep12:10:240
1170769993125,4cyclictest1238173-21kworker/u8:1+events_unbound11:20:563
1170769993123,4cyclictest0-21swapper/310:40:243
1170769993122,6cyclictest0-21swapper/312:39:593
1170769993119,8cyclictest204-21dbus-daemon07:45:033
1170764993124,4cyclictest0-21swapper/211:05:002
1170764993123,4cyclictest0-21swapper/211:05:242
1170760993123,4cyclictest0-21swapper/108:35:301
1170760993123,4cyclictest0-21swapper/108:20:011
1170755993124,4cyclictest1240132-21sh10:30:000
1170755993123,5cyclictest1270572-21unixbench_multi11:55:270
1170755993122,6cyclictest0-21swapper/008:00:000
117076999306,4cyclictest0-21swapper/307:29:303
1170769993024,4cyclictest1248593-21kworker/u8:3+events_unbound11:15:563
1170769993024,4cyclictest1248593-21kworker/u8:3+events_unbound11:15:563
1170769993024,4cyclictest1183671-21kworker/u8:1+events_unbound07:51:403
1170769993023,5cyclictest1203842-21kworker/u8:2+events_unbound08:47:423
1170769993023,4cyclictest1269324-21sh11:55:003
1170769993023,4cyclictest0-21swapper/307:35:253
1170769993022,6cyclictest1186809-21kworker/u8:0+events_unbound07:55:433
1170769993022,5cyclictest1267626-21sh11:50:003
1170769993022,4cyclictest0-21swapper/308:55:253
1170769993022,4cyclictest0-21swapper/308:55:253
1170769993019,8cyclictest391ktimers/311:55:133
1170769993011,11cyclictest40-21ksoftirqd/310:20:163
1170764993023,3cyclictest0-21swapper/211:55:272
1170764993023,3cyclictest0-21swapper/209:25:252
1170764993022,4cyclictest0-21swapper/211:40:162
1170764993022,4cyclictest0-21swapper/208:20:242
1170760993019,7cyclictest0-21swapper/111:35:171
1170755993024,3cyclictest0-21swapper/010:00:000
1170755993023,4cyclictest1253781-21munin-plugin-st11:10:000
1170755993022,4cyclictest0-21swapper/007:30:250
1170755993020,7cyclictest1198990-21cron08:30:000
1170755993020,6cyclictest1215785-21grep09:15:250
117075599301,26cyclictest1268425-21ntp_states11:50:220
117076999298,12cyclictest40-21ksoftirqd/307:10:173
1170769992922,5cyclictest381rcuc/307:15:123
1170769992922,5cyclictest1272444-21kworker/u8:0+events_unbound12:05:583
1170769992922,5cyclictest1183671-21kworker/u8:1+events_unbound08:37:413
1170769992914,6cyclictest1212494-21kworker/u8:1+events_unbound09:44:163
1170764992921,4cyclictest0-21swapper/208:40:242
1170764992919,7cyclictest0-21swapper/209:20:012
1170760992921,4cyclictest0-21swapper/110:35:271
1170760992919,7cyclictest1210938-21latency_hist09:05:011
1170760992919,7cyclictest1210938-21latency_hist09:05:001
1170760992919,7cyclictest0-21swapper/111:50:001
1170760992911,12cyclictest0-21swapper/108:45:161
117076999288,11cyclictest40-21ksoftirqd/309:29:083
117076999287,12cyclictest131rcu_preempt10:00:443
1170769992822,4cyclictest1183671-21kworker/u8:1+events_unbound08:43:203
1170769992820,4cyclictest0-21swapper/310:55:253
1170769992815,5cyclictest1188779-21kworker/u8:2+events_unbound08:05:123
1170769992815,5cyclictest1188779-21kworker/u8:2+events_unbound08:05:113
1170769992812,11cyclictest1277888-21basename12:20:003
1170764992821,4cyclictest1205394-21unixbench_singl08:45:252
1170764992820,4cyclictest0-21swapper/209:45:242
1170764992820,4cyclictest0-21swapper/208:00:262
1170764992819,6cyclictest0-21swapper/211:20:012
1170764992819,6cyclictest0-21swapper/211:20:002
1170764992818,7cyclictest1276169-21idleruntime-cro12:15:012
1170764992816,7cyclictest0-21swapper/209:00:162
1170764992816,7cyclictest0-21swapper/209:00:162
1170760992821,4cyclictest0-21swapper/110:50:001
1170760992819,5cyclictest0-21swapper/107:20:001
1170760992816,8cyclictest0-21swapper/112:15:001
1170755992820,5cyclictest0-21swapper/011:20:220
1170755992820,5cyclictest0-21swapper/010:40:000
1170755992818,6cyclictest0-21swapper/009:30:240
1170755992817,7cyclictest1204114-21sh08:45:000
117075599281,24cyclictest1274475-21wc12:10:000
117076999277,12cyclictest40-21ksoftirqd/311:40:013
117076999275,11cyclictest0-21swapper/309:24:123
1170769992719,5cyclictest1198571-21grep08:25:263
1170769992717,7cyclictest1242217-21tune2fs10:35:163
1170764992717,6cyclictest1178117-21sh07:30:012
1170760992721,3cyclictest1181521-21sendmail07:40:011
1170760992720,4cyclictest0-21swapper/107:50:251
1170755992721,3cyclictest0-21swapper/007:25:000
1170755992720,4cyclictest0-21swapper/007:50:260
1170755992719,5cyclictest0-21swapper/007:40:020
1170755992717,7cyclictest121ktimers/008:50:130
117076999268,5cyclictest131rcu_preempt12:00:163
1170769992620,3cyclictest0-21swapper/308:15:003
1170769992620,3cyclictest0-21swapper/308:15:003
1170769992618,6cyclictest1212494-21kworker/u8:1+events_unbound09:55:043
1170769992614,5cyclictest1228423-21kworker/u8:3+events_unbound10:27:563
1170764992620,3cyclictest0-21swapper/208:35:262
1170764992618,4cyclictest0-21swapper/211:45:162
1170764992616,6cyclictest0-21swapper/210:55:262
1170764992612,10cyclictest1264244-21idleruntime-cro11:40:002
1170764992612,10cyclictest0-21swapper/209:50:152
1170764992612,10cyclictest0-21swapper/209:50:152
1170760992619,4cyclictest0-21swapper/108:25:261
1170760992619,4cyclictest0-21swapper/107:15:011
1170760992618,5cyclictest0-21swapper/109:40:151
1170760992618,4cyclictest0-21swapper/110:40:251
1170760992615,8cyclictest1207866-21diskstats08:55:151
1170760992615,8cyclictest1207866-21diskstats08:55:151
1170760992615,7cyclictest0-21swapper/111:25:251
1170760992614,6cyclictest0-21swapper/110:20:241
117075599262,5cyclictest1231217-21users10:00:250
1170755992620,3cyclictest0-21swapper/008:35:160
1170755992618,4cyclictest438-21cron09:55:010
1170755992618,4cyclictest438-21cron09:55:010
1170769992518,5cyclictest1212494-21kworker/u8:1+events_unbound09:32:373
1170769992517,6cyclictest1238173-21kworker/u8:1+events_unbound10:46:123
117076999251,5cyclictest40-21ksoftirqd/311:00:243
1170769992515,7cyclictest380-21ntpd09:45:193
1170764992519,3cyclictest0-21swapper/210:00:002
1170764992518,3cyclictest0-21swapper/212:05:152
1170764992517,4cyclictest0-21swapper/210:15:242
1170764992517,4cyclictest0-21swapper/207:45:282
1170764992515,6cyclictest0-21swapper/211:50:262
1170764992513,8cyclictest204-21dbus-daemon10:05:452
1170760992518,3cyclictest0-21swapper/108:40:191
1170760992517,5cyclictest0-21swapper/107:20:251
1170760992517,4cyclictest0-21swapper/112:20:251
1170760992516,6cyclictest0-21swapper/110:00:001
1170760992515,7cyclictest1272343-21grep12:00:251
1170760992514,6cyclictest0-21swapper/108:05:271
1170760992514,6cyclictest0-21swapper/108:05:271
1170755992519,4cyclictest1238173-21kworker/u8:1+events_unbound10:49:030
1170755992518,5cyclictest1183671-21kworker/u8:1+events_unbound08:10:130
1170755992518,5cyclictest1183671-21kworker/u8:1+events_unbound08:10:130
1170755992518,3cyclictest0-21swapper/008:05:270
1170755992518,3cyclictest0-21swapper/008:05:270
1170755992516,6cyclictest1235419-21grep10:15:150
117076999240,6cyclictest0-21swapper/307:30:123
1170764992417,5cyclictest0-21swapper/210:15:012
1170764992417,3cyclictest0-21swapper/210:50:152
1170764992417,3cyclictest0-21swapper/208:15:132
1170764992417,3cyclictest0-21swapper/208:05:182
1170764992417,3cyclictest0-21swapper/208:05:172
1170764992416,5cyclictest0-21swapper/209:25:002
1170764992414,7cyclictest1282368-21cat12:30:252
1170764992414,7cyclictest1282368-21cat12:30:242
1170764992412,7cyclictest1277391-21grep12:15:252
1170760992418,3cyclictest0-21swapper/109:10:171
1170760992416,5cyclictest1185153-21idleruntime-cro07:50:001
1170760992416,4cyclictest0-21swapper/110:50:221
1170760992415,6cyclictest231ktimers/108:20:121
1170760992415,6cyclictest1273990-21unixbench_multi12:05:251
1170760992415,5cyclictest1238821-21fschecks_count10:25:161
1170760992413,7cyclictest0-21swapper/109:45:251
117075599243,5cyclictest438-21cron09:40:000
117075599243,3cyclictest131rcu_preempt11:30:140
117075599242,18cyclictest1241417-21unixbench_singl10:30:260
1170755992417,5cyclictest1224614-21kworker/u8:0+events_unbound09:45:430
1170755992416,6cyclictest121ktimers/011:10:070
1170755992416,6cyclictest121ktimers/011:10:070
1170755992414,7cyclictest1260378-21grep11:25:240
1170755992414,7cyclictest1195587-21sendmail08:20:020
117075599241,3cyclictest1172375-21cron07:15:010
1170755992413,7cyclictest1281272-21auditctl12:30:010
1170764992317,3cyclictest0-21swapper/210:25:222
1170764992317,3cyclictest0-21swapper/208:25:232
1170764992316,4cyclictest1182317-21ntpq07:40:192
1170764992314,6cyclictest1245858-21cat10:45:172
1170764992314,6cyclictest1214601-21cut09:15:012
1170764992314,6cyclictest0-21swapper/207:15:262
117076499231,12cyclictest0-21swapper/210:35:252
1170760992317,4cyclictest208-21systemd-logind12:32:401
1170760992317,4cyclictest208-21systemd-logind12:32:401
1170760992316,4cyclictest1284682-21sendmail12:39:591
1170760992316,3cyclictest0-21swapper/111:00:181
1170760992312,7cyclictest1-21systemd11:20:561
1170760992312,6cyclictest0-21swapper/111:30:561
1170755992316,4cyclictest0-21swapper/009:20:240
1170755992316,3cyclictest0-21swapper/008:50:010
1170755992314,6cyclictest1178145-21sort07:30:010
117075599231,3cyclictest1223322-21apt-get09:40:120
117075599231,18cyclictest0-21swapper/011:49:130
117075599231,18cyclictest0-21swapper/008:04:150
117075599230,21cyclictest0-21swapper/012:37:510
1170764992216,3cyclictest0-21swapper/207:50:142
1170764992215,5cyclictest0-21swapper/212:25:152
1170764992215,4cyclictest1255259-21grep11:10:252
1170764992215,4cyclictest1255259-21grep11:10:252
1170760992216,4cyclictest208-21systemd-logind07:28:411
1170760992215,3cyclictest0-21swapper/108:35:011
1170760992214,5cyclictest0-21swapper/109:15:161
1170760992213,6cyclictest0-21swapper/111:10:011
1170760992212,6cyclictest0-21swapper/109:25:251
117075599226,12cyclictest13550irq/42-30be0000.ethernet10:20:130
117075599223,6cyclictest0-21swapper/011:16:230
117075599223,6cyclictest0-21swapper/011:16:230
117075599222,4cyclictest1233697-21grep10:10:150
1170755992216,3cyclictest0-21swapper/010:45:010
1170755992215,4cyclictest0-21swapper/012:20:240
1170755992214,5cyclictest1272748-21apt12:05:010
117075599221,17cyclictest0-21swapper/009:13:440
1170755992211,7cyclictest0-21swapper/008:55:240
1170755992211,7cyclictest0-21swapper/008:55:240
1170764992113,6cyclictest0-21swapper/210:20:152
1170764992112,6cyclictest1-21systemd07:14:592
1170764992111,7cyclictest1245419-21date10:45:012
1170764992110,7cyclictest1272742-21cron12:05:002
117076099216,7cyclictest131rcu_preempt10:30:161
1170760992114,5cyclictest231ktimers/109:51:001
1170760992114,5cyclictest231ktimers/109:51:001
1170760992113,4cyclictest0-21swapper/109:30:141
1170755992116,3cyclictest1262907-21fschecks_count11:35:170
1170755992116,3cyclictest0-21swapper/007:15:470
1170755992113,5cyclictest121ktimers/010:50:110
117075599210,17cyclictest0-21swapper/011:40:370
1170764992011,6cyclictest1207831-21ls08:55:152
1170764992011,6cyclictest1207831-21ls08:55:142
1170760992012,4cyclictest0-21swapper/109:20:161
1170760992010,7cyclictest1188959-21tune2fs08:00:161
1170760991914,3cyclictest1264456-21/usr/sbin/munin11:40:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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