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2026-05-01 - 17:31

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 the 376 highest latencies:
System rackbslot5s.osadl.org (updated Fri May 01, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1037491995346,5cyclictest145-21jbd2/mmcblk1p2-811:35:142
1037496995136,11cyclictest391ktimers/308:40:123
1037491995135,11cyclictest311ktimers/211:45:132
1037496994838,6cyclictest1042685-21grep07:20:243
1037482994841,4cyclictest1112138-21unixbench_multi10:40:240
1037491994738,5cyclictest1051661-21kthreadd07:50:002
1037487994738,6cyclictest1118965-21unixbench_multi11:00:261
1037487994633,9cyclictest231ktimers/109:55:101
1037487994335,4cyclictest231ktimers/112:20:111
1037487994332,8cyclictest438-21cron08:25:011
1037491994235,4cyclictest1079576-21idleruntime-cro09:10:002
1037487994229,9cyclictest1095131-21apt-key09:55:011
103748299426,6cyclictest131rcu_preempt08:55:110
1037482994233,5cyclictest164-21systemd-journal12:15:230
103748299412,6cyclictest131rcu_preempt11:05:120
1037487994031,6cyclictest231ktimers/107:50:121
1037487994030,6cyclictest1-21systemd12:10:221
1037496993831,4cyclictest1133287-21cron11:44:593
1037496993829,5cyclictest1138398-21audit_send_reply12:00:013
1037496993829,4cyclictest0-21swapper/312:40:003
1037487993830,4cyclictest0-21swapper/109:09:441
1037487993810,9cyclictest1049212-21which07:40:221
1037482993826,8cyclictest1084270-21grep09:20:230
1037496993729,5cyclictest1061654-21unixbench_singl08:15:263
1037496993727,7cyclictest1103666-21sendmail10:20:013
1037491993730,4cyclictest1146931-21cron12:25:002
1037491993725,7cyclictest0-21swapper/208:00:242
103748799379,9cyclictest1060556-21latency_hist08:15:011
1037487993729,4cyclictest0-21swapper/109:15:011
1037482993726,7cyclictest1059963-21grep08:10:260
1037496993628,4cyclictest0-21swapper/311:20:003
1037496993626,6cyclictest1134520-21grep11:45:253
1037491993629,4cyclictest1100266-21idleruntime-cro10:10:002
1037491993628,4cyclictest1053437-21latency_hist07:55:012
1037491993626,6cyclictest0-21swapper/211:00:002
1037491993625,7cyclictest0-21swapper/208:55:002
1037487993627,5cyclictest0-21swapper/109:19:451
1037487993621,12cyclictest231ktimers/107:30:111
1037482993629,4cyclictest0-21swapper/007:40:000
1037482993625,7cyclictest1092789-21grep09:45:270
1037482993623,9cyclictest1101936-21sshd10:14:570
1037496993523,7cyclictest1040991-21grep07:15:273
1037491993526,4cyclictest0-21swapper/212:25:242
1037491993526,4cyclictest0-21swapper/211:00:072
1037491993526,4cyclictest0-21swapper/207:40:012
1037491993523,7cyclictest1072073-21grep08:45:252
1037487993528,4cyclictest1110902-21cron10:40:001
1037487993524,7cyclictest0-21swapper/107:15:271
1037487993523,8cyclictest1112610-21sh10:45:001
103748299353,6cyclictest131rcu_preempt10:00:100
1037482993527,5cyclictest1134987-21cron11:50:000
1037496993424,6cyclictest0-21swapper/310:20:253
1037491993427,4cyclictest0-21swapper/211:50:152
1037491993425,6cyclictest1093612-21fschecks_count09:50:142
1037491993422,6cyclictest0-21swapper/212:00:252
1037487993422,9cyclictest1150337-21auditctl12:35:001
1037487993422,8cyclictest1128583-21/usr/sbin/munin11:30:141
1037487993422,8cyclictest1128583-21/usr/sbin/munin11:30:131
103748299346,6cyclictest131rcu_preempt09:10:110
1037482993427,3cyclictest0-21swapper/010:20:200
1037496993325,5cyclictest1048247-21munin-run07:40:003
1037491993326,5cyclictest1084426-21kworker/u8:0+events_unbound10:25:002
1037491993321,7cyclictest0-21swapper/207:30:252
1037487993327,4cyclictest1148705-21latency_hist12:30:001
1037487993320,9cyclictest1084934-21apt-get09:25:111
103748299333,26cyclictest1109109-21grep10:35:010
1037496993226,4cyclictest1092892-21kworker/u8:1+events_unbound09:54:423
1037496993223,4cyclictest0-21swapper/312:25:163
1037496993221,8cyclictest1122428-21threads11:10:233
1037491993225,3cyclictest0-21swapper/211:20:252
1037491993225,3cyclictest0-21swapper/209:00:262
1037491993224,4cyclictest1107294-21audit_send_reply10:30:012
1037487993222,7cyclictest1107963-21/usr/sbin/munin10:30:171
1037487993222,7cyclictest1067418-21debian-sa108:35:001
1037487993219,10cyclictest0-21swapper/108:15:141
1037487993218,11cyclictest1130355-21/usr/sbin/munin11:35:141
1037482993225,4cyclictest0-21swapper/007:30:250
1037482993223,6cyclictest0-21swapper/012:25:000
103748299321,4cyclictest131rcu_preempt08:25:130
1037496993123,4cyclictest0-21swapper/309:00:263
1037496993123,4cyclictest0-21swapper/308:00:263
1037496993121,7cyclictest1038660-21grep07:10:263
1037496993120,7cyclictest0-21swapper/308:20:253
1037487993123,4cyclictest0-21swapper/107:39:261
1037487993121,7cyclictest1116592-21/usr/sbin/munin10:55:171
1037487993121,6cyclictest0-21swapper/109:00:251
1037487993120,8cyclictest1122796-21cron11:12:001
1037482993124,5cyclictest1131192-21kworker/u8:1+events_unbound12:00:220
1037482993122,6cyclictest1115617-21grep10:50:220
1037482993122,5cyclictest0-21swapper/007:44:270
1037496993024,3cyclictest0-21swapper/310:40:003
1037496993022,4cyclictest0-21swapper/312:00:263
103749199305,3cyclictest1114324-21munin-plugin-st10:50:002
1037491993023,4cyclictest0-21swapper/208:15:262
1037491993023,3cyclictest0-21swapper/212:10:012
1037491993023,3cyclictest0-21swapper/211:05:252
1037491993022,4cyclictest0-21swapper/209:55:242
1037487993023,4cyclictest1039225-21latency_hist07:15:011
1037487993022,4cyclictest0-21swapper/111:55:241
1037487993020,7cyclictest1144080-21/usr/sbin/munin12:15:151
1037487993020,7cyclictest1141480-21cron12:06:001
1037487993020,7cyclictest1050498-21/usr/sbin/munin07:45:201
1037487993019,8cyclictest1115844-21cron10:53:001
1037487993019,8cyclictest1100064-21sshd10:07:521
1037487993019,7cyclictest1105821-21/usr/sbin/munin10:25:111
1037487993018,9cyclictest1044575-21cron07:27:011
1037487993018,9cyclictest1044575-21cron07:27:001
1037487993016,9cyclictest1084715-21munin-plugin-st09:25:001
1037482993024,3cyclictest0-21swapper/007:55:010
1037482993022,6cyclictest1047941-21kworker/u8:0+events_unbound07:59:320
1037482993019,6cyclictest0-21swapper/010:55:060
103748299301,3cyclictest0-21swapper/012:30:110
1037496992921,4cyclictest0-21swapper/310:30:233
1037496992920,5cyclictest0-21swapper/307:25:173
1037496992920,5cyclictest0-21swapper/307:25:163
1037491992923,3cyclictest0-21swapper/212:10:162
1037491992922,3cyclictest0-21swapper/210:10:242
1037491992921,4cyclictest0-21swapper/209:15:252
1037491992919,6cyclictest0-21swapper/210:35:012
1037491992919,6cyclictest0-21swapper/209:00:012
1037491992916,9cyclictest204-21dbus-daemon10:35:012
1037487992919,7cyclictest1104225-21df10:20:131
1037487992919,7cyclictest1069007-21sshd08:38:511
1037487992919,7cyclictest1043037-21cron07:24:011
1037487992916,8cyclictest0-21swapper/111:50:181
1037487992916,10cyclictest231ktimers/109:45:121
1037482992923,4cyclictest0-21swapper/012:35:100
1037482992923,3cyclictest0-21swapper/009:55:230
1037496992821,5cyclictest1148360-21kworker/u8:1+events_unbound12:30:213
1037496992820,5cyclictest1084426-21kworker/u8:0+events_unbound11:20:113
1037496992820,4cyclictest0-21swapper/309:05:263
1037496992818,5cyclictest0-21swapper/309:45:183
1037496992817,6cyclictest0-21swapper/307:49:273
1037491992821,4cyclictest1138407-21idleruntime-cro12:00:002
1037491992821,3cyclictest0-21swapper/209:25:002
1037491992820,6cyclictest1033825-21kworker/u8:1+events_unbound07:19:262
1037487992822,4cyclictest1086633-21apt-get09:30:121
1037487992821,4cyclictest1097086-21apt-get10:00:111
1037487992819,6cyclictest1101842-21sshd10:13:511
1037487992819,6cyclictest1089705-21cron09:39:011
1037487992819,6cyclictest1072345-21sshd08:47:511
1037487992818,7cyclictest1102627-21/usr/sbin/munin10:15:181
1037487992818,7cyclictest1091261-21cron09:42:011
1037487992818,7cyclictest1075841-21cron08:59:001
1037487992818,7cyclictest1057980-21/usr/sbin/munin08:05:241
1037487992818,7cyclictest0-21swapper/112:35:101
1037487992817,8cyclictest1126701-21munin-node11:25:101
1037487992813,12cyclictest1056557-21unixbench_singl08:00:251
1037487992812,13cyclictest1134077-21/usr/sbin/munin11:45:221
1037487992812,13cyclictest1132505-21/usr/sbin/munin11:40:221
103748299283,5cyclictest0-21swapper/007:26:030
103748299283,5cyclictest0-21swapper/007:26:020
1037482992822,3cyclictest0-21swapper/009:55:010
1037482992817,8cyclictest121ktimers/010:15:110
1037496992720,3cyclictest0-21swapper/310:00:173
1037496992718,5cyclictest0-21swapper/310:55:003
1037496992716,8cyclictest1143712-21sed12:15:013
1037491992720,4cyclictest0-21swapper/211:25:242
1037491992720,4cyclictest0-21swapper/209:40:002
103749199271,5cyclictest131rcu_preempt12:35:112
1037491992715,8cyclictest1129466-21grep11:30:222
1037491992715,8cyclictest1129466-21grep11:30:222
1037487992721,3cyclictest1064700-21memory08:25:181
1037487992718,7cyclictest1054360-21ntp_states07:55:191
1037487992717,7cyclictest1119890-21apt-get11:05:101
1037487992710,13cyclictest1138703-21sort12:00:121
1037487992710,13cyclictest1113766-21wc10:45:231
1037487992710,13cyclictest1074239-21auditctl08:55:001
1037482992721,3cyclictest0-21swapper/011:20:000
1037482992719,5cyclictest0-21swapper/011:10:240
1037482992719,4cyclictest0-21swapper/012:05:250
1037482992719,4cyclictest0-21swapper/008:05:000
1037482992717,6cyclictest0-21swapper/011:30:230
1037482992717,6cyclictest0-21swapper/011:30:220
1037496992621,3cyclictest1115940-21kworker/u8:1-ext4-rsv-conversion11:05:013
1037496992619,3cyclictest0-21swapper/312:05:163
1037496992618,5cyclictest0-21swapper/310:55:243
1037496992616,6cyclictest1073836-21grep08:50:263
1037496992616,6cyclictest0-21swapper/311:50:153
1037496992615,6cyclictest0-21swapper/310:25:253
1037491992620,3cyclictest0-21swapper/210:05:002
1037491992616,7cyclictest0-21swapper/210:20:002
1037487992616,7cyclictest1125462-21memory11:20:181
1037487992615,8cyclictest1124201-21/usr/sbin/munin11:15:241
103748299262,4cyclictest131rcu_preempt07:20:100
1037482992620,3cyclictest0-21swapper/011:55:000
1037482992620,3cyclictest0-21swapper/011:25:000
1037482992618,4cyclictest1070436-21grep08:40:250
1037482992617,6cyclictest1060849-21tune2fs08:15:160
1037496992518,4cyclictest0-21swapper/308:10:253
1037496992517,4cyclictest0-21swapper/309:35:253
1037496992517,4cyclictest0-21swapper/307:40:243
1037496992517,4cyclictest0-21swapper/307:30:273
1037496992514,8cyclictest1090159-21df09:40:133
1037491992518,3cyclictest0-21swapper/211:40:162
1037491992517,6cyclictest1056616-21kworker/u8:1+events_unbound08:38:502
103749199251,13cyclictest0-21swapper/209:45:232
103748299253,3cyclictest1075940-21apt-get09:00:040
1037482992521,2cyclictest13850irq/36-mmc110:45:100
1037482992519,3cyclictest0-21swapper/008:50:260
1037482992519,3cyclictest0-21swapper/007:15:010
1037482992517,6cyclictest1041038-1kworker/0:0H+mmc_complete08:10:000
1037482992517,4cyclictest13550irq/42-30be0000.ethernet11:35:230
1037482992516,6cyclictest1039105-21sh07:15:000
103748299251,12cyclictest0-21swapper/008:47:520
1037496992416,5cyclictest391ktimers/309:25:023
1037496992415,4cyclictest1086843-21fschecks_time09:30:153
1037491992418,3cyclictest0-21swapper/212:17:002
1037491992417,5cyclictest1047941-21kworker/u8:0+events_unbound08:25:142
1037491992417,4cyclictest0-21swapper/207:40:152
1037491992417,3cyclictest0-21swapper/210:50:232
1037491992416,4cyclictest0-21swapper/207:25:252
1037491992416,4cyclictest0-21swapper/207:25:252
1037491992413,8cyclictest1-21systemd07:14:242
103748299242,5cyclictest131rcu_preempt10:05:110
1037482992419,3cyclictest0-21swapper/012:10:100
1037482992415,6cyclictest1089354-21grep09:35:250
103748299241,19cyclictest0-21swapper/009:44:530
103748299241,19cyclictest0-21swapper/007:49:340
1037496992316,3cyclictest0-21swapper/307:55:013
1037496992315,5cyclictest0-21swapper/310:45:193
1037491992317,3cyclictest0-21swapper/211:15:252
1037491992317,3cyclictest0-21swapper/209:40:242
1037491992313,7cyclictest1043154-21basename07:25:002
1037491992313,6cyclictest0-21swapper/208:30:252
103749199230,4cyclictest131rcu_preempt09:30:132
103748299231,8cyclictest1078267-21fschecks_count09:05:160
1037482992317,4cyclictest1056616-21kworker/u8:1+events_unbound09:16:410
1037482992315,6cyclictest1056616-21kworker/u8:1+events_unbound08:31:550
1037482992314,6cyclictest0-21swapper/009:25:140
103748299231,18cyclictest0-21swapper/011:29:370
103748299230,19cyclictest0-21swapper/009:34:390
103749699229,5cyclictest0-21swapper/309:30:013
1037496992217,3cyclictest1066000-21cpu08:30:123
1037496992215,4cyclictest1096832-21cron10:00:003
1037496992213,6cyclictest0-21swapper/308:35:153
1037496992212,7cyclictest1128413-21seq11:30:113
1037496992212,7cyclictest1128413-21seq11:30:103
1037496992212,7cyclictest1128184-21basename11:30:003
1037491992216,3cyclictest0-21swapper/211:10:162
1037491992216,3cyclictest0-21swapper/208:20:152
1037491992216,3cyclictest0-21swapper/208:10:192
1037491992212,7cyclictest1058808-21cut08:10:012
1037491992212,7cyclictest1054362-21ntpq07:55:192
1037482992216,3cyclictest0-21swapper/011:00:250
103748299221,19cyclictest0-21swapper/010:26:240
103748299220,18cyclictest0-21swapper/011:56:440
1037496992115,4cyclictest645-21runrttasks08:25:223
1037496992115,4cyclictest1058731-21latency_hist08:10:003
1037496992115,3cyclictest0-21swapper/309:15:003
1037496992115,3cyclictest0-21swapper/308:45:163
1037496992115,3cyclictest0-21swapper/307:55:223
1037496992114,4cyclictest0-21swapper/311:35:153
1037491992116,2cyclictest0-21swapper/212:30:112
1037491992115,3cyclictest0-21swapper/210:40:142
1037491992112,6cyclictest0-21swapper/209:30:012
1037491992111,7cyclictest1069717-21cut08:40:182
103748299211,18cyclictest0-21swapper/011:40:010
103749699205,10cyclictest204-21dbus-daemon11:05:083
1037496992013,3cyclictest0-21swapper/312:20:193
1037496992010,7cyclictest1099145-21tr10:05:173
103749699199,7cyclictest1074470-21apt-get08:55:133
1037496991912,5cyclictest391ktimers/310:40:123
1037496991912,4cyclictest645-21runrttasks12:15:213
1037496991911,4cyclictest1101483-21unixbench_multi10:10:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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