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2026-06-17 - 21:33

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 Wed Jun 17, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
423317995245,4cyclictest517004-21grep11:40:000
423317995245,4cyclictest517004-21grep11:39:590
423325995144,4cyclictest530649-21grep12:20:002
423317995128,8cyclictest461113-21grep08:55:250
423317995128,8cyclictest461113-21grep08:55:240
423328994940,4cyclictest440921-21sendmail08:00:013
423322994941,5cyclictest503359-21munin-run11:00:011
423328994839,6cyclictest486694-21grep10:10:243
423325994532,8cyclictest528878-21sshd12:14:272
423328994434,5cyclictest428963-21cron07:25:003
423325994434,7cyclictest508049-21grep11:10:252
423322994335,4cyclictest482057-21munin-plugin-st10:00:001
423322994334,5cyclictest506764-21cron11:10:011
423317994336,4cyclictest459769-21latency_hist08:55:010
423325994233,5cyclictest0-21swapper/212:35:002
423325994231,7cyclictest523383-21grep11:55:242
423328994131,7cyclictest489101-21sendmail10:20:013
423328994130,7cyclictest0-21swapper/309:28:543
423325994126,11cyclictest311ktimers/208:30:122
423328994028,9cyclictest455903-21grep08:41:023
423322994027,9cyclictest231ktimers/112:25:121
423317994033,4cyclictest475238-21munin-plugin-st09:39:590
423325993926,9cyclictest519953-21grep11:45:242
423317993928,6cyclictest481638-21grep09:55:240
423328993831,5cyclictest391ktimers/308:05:153
423328993828,7cyclictest496345-21sendmail10:40:003
423328993828,7cyclictest496345-21sendmail10:40:003
423325993827,7cyclictest0-21swapper/209:25:242
423325993825,8cyclictest0-21swapper/207:15:012
423325993821,6cyclictest518435-21kworker/u8:0+events_unbound12:00:192
423322993829,5cyclictest521690-21unixbench_singl11:50:251
423317993831,3cyclictest0-21swapper/011:44:590
423328993728,6cyclictest0-21swapper/312:35:013
423325993729,4cyclictest0-21swapper/211:25:242
423325993726,7cyclictest454123-21unixbench_singl08:35:242
423325993725,8cyclictest459248-21grep08:50:262
423328993628,4cyclictest0-21swapper/307:25:263
423322993628,4cyclictest0-21swapper/107:40:251
423322993628,4cyclictest0-21swapper/107:40:241
423322993627,6cyclictest489090-21munin-plugin-st10:20:001
423325993527,4cyclictest0-21swapper/207:25:162
423325993525,6cyclictest521651-21grep11:50:242
423325993525,6cyclictest0-21swapper/208:45:292
423322993528,3cyclictest0-21swapper/111:39:591
423322993528,3cyclictest0-21swapper/111:39:591
423322993523,9cyclictest476948-21auditctl09:45:001
423328993426,4cyclictest0-21swapper/311:15:163
423325993428,4cyclictest462930-21kworker/u8:3+events_unbound09:06:412
423325993428,4cyclictest462930-21kworker/u8:3+events_unbound09:06:412
423325993426,4cyclictest0-21swapper/210:45:262
423322993424,7cyclictest432074-21kworker/u8:0+events_unbound08:38:451
423328993326,4cyclictest473533-21kthreadd09:35:003
423328993324,6cyclictest452391-21unixbench_multi08:30:253
423325993325,4cyclictest0-21swapper/212:25:242
423325993325,4cyclictest0-21swapper/209:55:252
423325993325,4cyclictest0-21swapper/209:00:002
423325993325,4cyclictest0-21swapper/209:00:002
423325993323,6cyclictest0-21swapper/212:35:262
423325993322,7cyclictest438785-21grep07:50:252
423325993321,8cyclictest0-21swapper/210:40:222
423322993325,5cyclictest457963-21sh08:50:001
423322993325,4cyclictest0-21swapper/107:10:261
423322993324,5cyclictest0-21swapper/112:40:001
423322993324,4cyclictest0-21swapper/110:25:161
423322993323,7cyclictest444689-21fschecks_count08:10:171
423322993322,7cyclictest0-21swapper/107:25:011
423317993327,3cyclictest489083-21kthreadd10:20:010
423317993324,4cyclictest0-21swapper/011:20:000
423328993225,3cyclictest0-21swapper/312:20:253
423328993222,6cyclictest501647-21cron10:55:003
423325993225,4cyclictest468416-21cron09:20:002
423322993222,6cyclictest490582-21grep10:20:251
423317993224,4cyclictest431117-21grep07:30:160
423317993224,4cyclictest431117-21grep07:30:160
423317993224,4cyclictest0-21swapper/010:34:060
423317993223,6cyclictest468408-21sh09:20:010
423328993124,4cyclictest503369-21sendmail11:00:003
423325993122,6cyclictest311ktimers/210:35:132
423325993122,6cyclictest311ktimers/210:35:132
423325993122,4cyclictest0-21swapper/208:30:012
423325993121,7cyclictest483765-21debian-sa110:05:012
423325993121,7cyclictest479881-21grep09:50:262
423325993120,7cyclictest0-21swapper/212:20:252
423325993120,7cyclictest0-21swapper/210:05:252
423322993123,4cyclictest0-21swapper/108:10:001
423317993124,5cyclictest432074-21kworker/u8:0+events_unbound09:28:560
423317993123,4cyclictest0-21swapper/011:10:010
423317993122,4cyclictest0-21swapper/007:15:170
423317993120,8cyclictest525529-21cron12:05:010
423328993024,3cyclictest0-21swapper/311:35:273
423328993024,3cyclictest0-21swapper/311:35:273
423328993023,4cyclictest0-21swapper/308:00:253
423328993022,4cyclictest0-21swapper/312:35:273
423328993022,4cyclictest0-21swapper/308:45:283
423328993021,5cyclictest0-21swapper/309:05:253
423328993021,5cyclictest0-21swapper/309:05:253
423328993021,4cyclictest0-21swapper/312:25:153
423328993018,8cyclictest0-21swapper/308:55:013
423325993023,4cyclictest503358-21cron11:00:012
423325993022,4cyclictest0-21swapper/208:00:152
423325993020,5cyclictest0-21swapper/211:44:222
423322993022,5cyclictest515306-21munin-plugin-st11:35:001
423322993022,4cyclictest0-21swapper/110:40:221
423322993022,3cyclictest0-21swapper/110:55:001
423322993019,6cyclictest0-21swapper/108:55:251
423322993019,6cyclictest0-21swapper/108:55:241
42332899297,7cyclictest131rcu_preempt11:05:113
423328992920,6cyclictest0-21swapper/310:25:263
423328992919,6cyclictest0-21swapper/311:25:233
423328992919,6cyclictest0-21swapper/307:15:243
423325992920,7cyclictest311ktimers/208:10:132
423325992920,6cyclictest475968-21ls09:40:172
423317992922,5cyclictest0-21swapper/010:49:590
423317992922,3cyclictest0-21swapper/011:00:000
423317992920,5cyclictest0-21swapper/008:50:000
423317992920,5cyclictest0-21swapper/008:45:010
423317992917,7cyclictest466694-21cron09:15:000
423317992916,8cyclictest204-21dbus-daemon08:38:450
423328992821,4cyclictest0-21swapper/310:05:253
423328992821,4cyclictest0-21swapper/309:40:233
423328992821,3cyclictest0-21swapper/310:30:243
423328992818,7cyclictest481646-21grep09:55:243
42332599283,4cyclictest131rcu_preempt07:15:112
423325992821,5cyclictest432074-21kworker/u8:0+events_unbound08:43:472
423325992821,4cyclictest502431-21kworker/u8:0+events_unbound11:08:302
423325992819,6cyclictest0-21swapper/210:25:202
423325992819,5cyclictest0-21swapper/212:05:252
423325992819,5cyclictest0-21swapper/207:55:262
423325992816,8cyclictest311ktimers/209:20:132
423325992816,8cyclictest311ktimers/209:20:122
423322992821,3cyclictest0-21swapper/111:59:241
423322992820,4cyclictest0-21swapper/111:00:171
423322992817,7cyclictest530659-21idleruntime-cro12:20:011
42331799287,3cyclictest131rcu_preempt11:30:000
423317992820,4cyclictest0-21swapper/011:30:250
423317992820,4cyclictest0-21swapper/009:50:250
42331799281,10cyclictest470119-21cron09:25:010
42331799281,10cyclictest470119-21cron09:25:010
423328992720,4cyclictest0-21swapper/308:10:273
423328992719,6cyclictest509834-21kworker/u8:3+events_unbound12:04:283
423325992721,4cyclictest509834-21kworker/u8:3+events_unbound11:30:192
423325992719,4cyclictest0-21swapper/209:30:282
423325992719,4cyclictest0-21swapper/207:35:262
423325992717,5cyclictest0-21swapper/209:13:522
423322992721,3cyclictest0-21swapper/107:35:271
423322992719,4cyclictest0-21swapper/112:30:221
423322992719,4cyclictest0-21swapper/112:15:001
423322992719,4cyclictest0-21swapper/109:25:141
423322992719,4cyclictest0-21swapper/108:50:251
423322992718,6cyclictest1-21systemd11:44:211
423322992718,6cyclictest0-21swapper/107:30:161
423322992718,6cyclictest0-21swapper/107:30:161
423322992718,5cyclictest464997-21sh09:10:011
423322992718,5cyclictest464997-21sh09:10:001
423317992720,4cyclictest0-21swapper/008:00:010
423317992718,5cyclictest0-21swapper/012:30:140
423328992620,3cyclictest0-21swapper/311:45:143
423328992619,5cyclictest431901-21unixbench_multi07:30:263
423328992619,5cyclictest431901-21unixbench_multi07:30:253
423328992619,5cyclictest199-21systemd-network11:10:173
423328992617,6cyclictest0-21swapper/309:39:593
423328992616,6cyclictest0-21swapper/311:40:243
42332899261,21cyclictest514012-21fschecks_time11:30:153
423325992619,5cyclictest495947-21kworker/u8:1+events_unbound11:37:072
423325992619,5cyclictest495947-21kworker/u8:1+events_unbound11:37:062
423325992615,7cyclictest474783-21sed09:35:292
42332599261,3cyclictest461831-21apt-get09:00:142
42332599261,3cyclictest461831-21apt-get09:00:132
423322992620,3cyclictest0-21swapper/111:45:171
423322992618,5cyclictest0-21swapper/112:05:001
423322992618,4cyclictest0-21swapper/111:20:131
423322992618,4cyclictest0-21swapper/110:05:261
423322992617,6cyclictest0-21swapper/109:20:011
423322992617,5cyclictest0-21swapper/107:50:241
423322992615,8cyclictest462397-21ntp_states09:00:221
423322992615,8cyclictest462397-21ntp_states09:00:221
423317992619,3cyclictest0-21swapper/007:25:260
423317992617,6cyclictest0-21swapper/010:20:250
423317992616,5cyclictest537459-21auditctl12:40:000
423328992518,5cyclictest460682-21kworker/u8:2+events_unbound09:00:423
423328992518,5cyclictest460682-21kworker/u8:2+events_unbound09:00:423
423328992518,4cyclictest491024-21munin-plugin-st10:25:013
423328992518,4cyclictest0-21swapper/312:00:013
423328992518,4cyclictest0-21swapper/309:50:243
423328992517,6cyclictest527087-21kworker/u8:2+events_unbound12:09:263
423328992515,7cyclictest530216-21grep12:15:253
423328992515,6cyclictest0-21swapper/309:00:013
423328992515,6cyclictest0-21swapper/309:00:003
423325992519,4cyclictest445957-21kworker/u8:2+events_unbound08:21:132
423325992519,3cyclictest0-21swapper/210:15:002
423325992518,4cyclictest509834-21kworker/u8:3+events_unbound11:17:302
423325992518,3cyclictest0-21swapper/209:45:162
423322992519,3cyclictest0-21swapper/109:35:261
423322992519,3cyclictest0-21swapper/108:15:181
423322992519,3cyclictest0-21swapper/107:45:161
423322992517,5cyclictest0-21swapper/108:25:181
423322992517,4cyclictest0-21swapper/111:10:251
423322992517,4cyclictest0-21swapper/109:45:151
423317992519,3cyclictest0-21swapper/012:15:000
423317992518,3cyclictest0-21swapper/011:20:130
423317992518,3cyclictest0-21swapper/011:10:170
423317992518,3cyclictest0-21swapper/007:40:160
423317992518,3cyclictest0-21swapper/007:40:160
42331799251,18cyclictest486739-21unixbench_singl10:10:240
423317992510,4cyclictest645-21runrttasks08:02:370
423328992417,3cyclictest0-21swapper/308:25:233
423328992416,5cyclictest0-21swapper/309:20:003
423328992414,6cyclictest0-21swapper/309:45:263
423325992417,4cyclictest0-21swapper/211:00:262
423325992415,6cyclictest311ktimers/210:50:062
423322992416,4cyclictest0-21swapper/110:35:271
423322992416,4cyclictest0-21swapper/110:35:271
42331799249,3cyclictest131rcu_preempt11:49:160
423317992418,4cyclictest13550irq/42-30be0000.ethernet07:20:160
423317992418,4cyclictest0-21swapper/008:30:260
423317992417,3cyclictest0-21swapper/012:08:000
423317992416,5cyclictest0-21swapper/011:50:170
423317992416,5cyclictest0-21swapper/007:40:000
423317992415,7cyclictest432074-21kworker/u8:0+events_unbound09:30:530
423317992413,7cyclictest13550irq/42-30be0000.ethernet10:00:120
42331799241,19cyclictest0-21swapper/011:58:410
42331799241,19cyclictest0-21swapper/011:03:580
42331799241,19cyclictest0-21swapper/010:42:130
42331799241,19cyclictest0-21swapper/008:06:130
423328992315,5cyclictest0-21swapper/312:10:233
423328992313,7cyclictest391ktimers/311:50:113
423328992312,8cyclictest500013-21sed10:50:013
423325992315,4cyclictest0-21swapper/208:05:172
423325992315,4cyclictest0-21swapper/207:30:262
423325992315,4cyclictest0-21swapper/207:30:262
423322992317,3cyclictest0-21swapper/108:05:021
423322992315,5cyclictest0-21swapper/109:35:011
423322992314,6cyclictest494422-21dpkg10:35:011
423322992314,6cyclictest0-21swapper/109:50:161
423317992316,4cyclictest492733-21latency_hist10:30:000
423317992316,3cyclictest0-21swapper/012:28:550
423317992316,3cyclictest0-21swapper/012:20:160
42331799231,5cyclictest501310-21auditctl10:51:000
423317992315,5cyclictest0-21swapper/008:20:240
42331799231,14cyclictest0-21swapper/010:36:130
42331799231,14cyclictest0-21swapper/010:36:120
42331799231,10cyclictest478662-21basename09:50:010
42331799230,19cyclictest0-21swapper/009:02:050
42331799230,19cyclictest0-21swapper/009:02:040
42332899225,3cyclictest131rcu_preempt08:35:113
423328992214,4cyclictest0-21swapper/308:15:263
423328992212,6cyclictest0-21swapper/310:05:003
42332599222,15cyclictest437061-21unixbench_singl07:45:262
423325992215,4cyclictest0-21swapper/211:24:162
423322992216,3cyclictest0-21swapper/110:50:001
423322992216,3cyclictest0-21swapper/108:30:191
423322992216,3cyclictest0-21swapper/107:25:161
423322992214,4cyclictest438-21cron09:15:011
423317992216,4cyclictest529333-21fschecks_count12:15:140
423317992216,3cyclictest0-21swapper/007:55:010
423317992211,7cyclictest204-21dbus-daemon07:13:280
42331799220,18cyclictest0-21swapper/008:16:330
423328992114,3cyclictest435783-21cron07:45:013
423328992114,3cyclictest435783-21cron07:45:003
423328992113,6cyclictest495947-21kworker/u8:1+events_unbound10:42:443
42332599212,14cyclictest490536-21unixbench_multi10:20:252
42332599212,13cyclictest435804-21grep07:45:002
42332599212,13cyclictest435804-21grep07:45:002
423322992114,3cyclictest0-21swapper/108:20:161
423322992113,5cyclictest0-21swapper/107:20:011
42331799213,4cyclictest449796-21diskstats08:25:160
423317992115,3cyclictest0-21swapper/009:05:250
423317992115,3cyclictest0-21swapper/009:05:250
423317992114,4cyclictest475925-21sshd09:40:170
423317992112,6cyclictest204-21dbus-daemon08:13:390
42331799211,18cyclictest0-21swapper/010:05:190
42331799210,17cyclictest0-21swapper/007:45:040
423328992014,3cyclictest0-21swapper/308:25:013
423328992013,5cyclictest391ktimers/309:13:193
423328992013,5cyclictest391ktimers/307:45:223
423328992013,5cyclictest391ktimers/307:10:133
423322992014,3cyclictest530889-21/usr/sbin/munin12:20:201
423322992014,3cyclictest482294-21/usr/sbin/munin10:00:161
423322992014,3cyclictest0-21swapper/110:10:121
423322992013,5cyclictest231ktimers/108:40:151
423322992013,4cyclictest508839-21fschecks_count11:15:141
423322992012,4cyclictest0-21swapper/111:25:141
423328991813,3cyclictest503600-21/usr/sbin/munin11:00:233
423322991711,3cyclictest0-21swapper/109:20:201
423322991711,3cyclictest0-21swapper/109:20:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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