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2026-03-26 - 12:38

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 highest latencies:
System rackbslot5s.osadl.org (updated Thu Mar 26, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385058995142,6cyclictest208-21systemd-logind20:36:002
385058995042,5cyclictest402850-21idleruntime-cro20:00:012
385049995036,11cyclictest121ktimers/022:10:110
385055994433,6cyclictest0-21swapper/119:10:261
385058994234,5cyclictest407718-21kworker/u8:0+events_unbound21:01:052
385058994233,6cyclictest480439-21cron23:45:002
385061994130,7cyclictest429917-21grep21:15:263
385055994131,6cyclictest0-21swapper/120:55:171
385055994129,9cyclictest231ktimers/123:35:111
385055994126,12cyclictest231ktimers/119:50:121
385049994133,5cyclictest396013-21apt19:40:000
385049994133,5cyclictest396013-21apt19:39:590
385049994129,8cyclictest499570-21apt-config00:40:010
385055994030,6cyclictest0-21swapper/123:15:231
385055994030,6cyclictest0-21swapper/100:10:251
385055993929,6cyclictest0-21swapper/121:50:011
385049993929,6cyclictest398968-21unixbench_multi19:45:240
385049993929,6cyclictest0-21swapper/020:55:000
385058993829,6cyclictest466590-21cron23:05:002
385058993827,8cyclictest386792-21munin-node19:15:022
385055993826,7cyclictest447190-21grep22:05:231
385049993831,4cyclictest416064-21unixbench_singl20:35:250
385049993830,5cyclictest481957-21unixbench_singl23:45:250
385049993828,6cyclictest0-21swapper/022:20:140
385058993730,4cyclictest478320-21unixbench_singl23:35:262
385058993728,6cyclictest417786-21grep20:40:242
385058993726,7cyclictest0-21swapper/222:50:232
385058993726,7cyclictest0-21swapper/219:15:212
385049993725,9cyclictest121ktimers/023:20:120
385061993628,4cyclictest0-21swapper/322:40:193
385061993626,6cyclictest0-21swapper/321:55:013
385058993628,4cyclictest0-21swapper/223:50:002
385058993626,7cyclictest390506-21grep19:20:252
385055993628,6cyclictest231ktimers/122:55:101
385055993628,4cyclictest0-21swapper/123:05:001
385049993628,5cyclictest457570-21unixbench_multi22:35:240
385049993625,6cyclictest0-21swapper/021:30:250
385061993525,7cyclictest0-21swapper/319:15:023
385058993525,6cyclictest0-21swapper/219:55:012
385055993526,5cyclictest0-21swapper/119:55:161
385055993525,6cyclictest0-21swapper/100:20:261
385049993525,6cyclictest0-21swapper/021:55:270
385049993524,6cyclictest0-21swapper/000:05:250
385061993426,4cyclictest0-21swapper/319:30:013
385061993425,4cyclictest0-21swapper/319:55:523
385061993423,6cyclictest0-21swapper/319:40:243
385055993426,5cyclictest451018-21audit_send_reply22:20:001
385055993424,6cyclictest0-21swapper/123:05:251
385055993424,6cyclictest0-21swapper/123:05:251
385055993423,7cyclictest0-21swapper/122:10:251
385049993425,5cyclictest0-21swapper/020:35:010
385049993424,6cyclictest0-21swapper/022:55:240
385061993324,7cyclictest391ktimers/319:35:143
385061993324,7cyclictest391ktimers/319:35:133
38505899334,5cyclictest131rcu_preempt00:30:132
385058993327,3cyclictest437165-21sh21:40:002
385058993324,6cyclictest419905-21munin-run20:50:012
385058993322,7cyclictest426236-21grep21:05:242
385055993326,4cyclictest0-21swapper/122:00:251
385055993312,9cyclictest24-21ksoftirqd/100:30:131
385049993326,4cyclictest0-21swapper/000:30:010
385049993324,6cyclictest0-21swapper/023:10:150
385049993323,6cyclictest0-21swapper/000:00:240
385049993323,6cyclictest0-21swapper/000:00:240
385061993223,6cyclictest0-21swapper/321:40:003
385058993222,6cyclictest0-21swapper/221:55:162
385058993221,7cyclictest0-21swapper/222:40:302
385058993220,8cyclictest423323-21sendmail21:00:012
385058993219,9cyclictest496021-21latency_hist00:30:002
385055993225,4cyclictest463175-21auditctl22:55:001
385055993225,4cyclictest0-21swapper/120:35:161
385055993223,5cyclictest0-21swapper/121:10:001
385055993222,6cyclictest0-21swapper/123:10:251
385055993222,6cyclictest0-21swapper/119:30:261
385055993222,6cyclictest0-21swapper/119:30:251
385055993221,7cyclictest0-21swapper/100:25:251
385049993224,4cyclictest0-21swapper/023:06:260
385049993224,4cyclictest0-21swapper/023:06:250
385049993223,6cyclictest0-21swapper/020:20:010
385061993123,4cyclictest0-21swapper/323:10:253
385061993123,4cyclictest0-21swapper/322:45:263
385061993123,4cyclictest0-21swapper/322:30:003
385061993121,7cyclictest0-21swapper/323:35:003
385058993121,7cyclictest396030-21sendmail19:40:002
385058993121,7cyclictest396030-21sendmail19:40:002
385058993120,7cyclictest0-21swapper/221:25:172
385058993119,8cyclictest0-21swapper/220:10:242
385055993124,4cyclictest0-21swapper/119:40:151
385049993122,6cyclictest455880-21unixbench_multi22:30:230
385049993122,6cyclictest399827-21fschecks_count19:50:150
385049993122,6cyclictest0-21swapper/021:10:000
385049993122,6cyclictest0-21swapper/020:05:250
385049993121,6cyclictest0-21swapper/021:10:260
385049993121,6cyclictest0-21swapper/020:10:160
385049993120,6cyclictest0-21swapper/000:30:250
385049993119,7cyclictest0-21swapper/000:20:250
385061993023,5cyclictest467026-21kworker/u8:1+events_unbound23:06:283
385061993023,5cyclictest467026-21kworker/u8:1+events_unbound23:06:273
385061993023,4cyclictest0-21swapper/322:35:163
385061993023,3cyclictest0-21swapper/320:10:003
385061993020,6cyclictest0-21swapper/322:00:013
385061993020,6cyclictest0-21swapper/321:35:003
385061993020,6cyclictest0-21swapper/320:50:013
385061993020,6cyclictest0-21swapper/320:45:013
385061993020,6cyclictest0-21swapper/320:30:253
385061993019,7cyclictest497259-21grep00:30:253
385061993010,4cyclictest4489152sed22:10:253
38505899304,5cyclictest131rcu_preempt22:20:092
385058993023,5cyclictest442215-21kworker/u8:0+events_unbound22:05:172
385058993023,4cyclictest0-21swapper/222:35:252
385058993022,4cyclictest0-21swapper/223:30:162
385058993022,4cyclictest0-21swapper/222:25:242
385058993022,4cyclictest0-21swapper/222:15:162
385058993021,6cyclictest452447-21kworker/u8:3+events_unbound23:16:492
385055993023,4cyclictest0-21swapper/122:35:221
385055993023,4cyclictest0-21swapper/121:35:241
385055993022,4cyclictest0-21swapper/123:55:241
385055993022,4cyclictest0-21swapper/121:55:271
385055993022,4cyclictest0-21swapper/119:45:151
385055993021,6cyclictest461071-21grep22:45:261
385055993021,6cyclictest0-21swapper/100:09:591
385055993021,5cyclictest0-21swapper/122:45:001
385055993020,7cyclictest0-21swapper/120:05:161
385049993023,3cyclictest0-21swapper/021:00:250
385049993021,6cyclictest410927-21unixbench_multi20:20:250
385061992921,4cyclictest0-21swapper/322:55:153
385061992921,4cyclictest0-21swapper/322:00:163
385058992923,4cyclictest410999-21kworker/u8:2+events_unbound20:24:432
385058992922,5cyclictest472146-21kworker/u8:2+events_unbound23:26:312
385058992920,6cyclictest483110-21/usr/sbin/munin23:50:202
385058992916,8cyclictest438481-21grep21:40:252
385055992922,4cyclictest0-21swapper/100:35:241
385055992920,5cyclictest0-21swapper/120:25:261
385055992918,7cyclictest0-21swapper/123:40:251
385049992921,5cyclictest0-21swapper/021:40:250
385049992920,6cyclictest0-21swapper/022:00:260
385049992920,6cyclictest0-21swapper/020:30:010
385049992920,5cyclictest0-21swapper/021:20:250
385049992920,5cyclictest0-21swapper/021:20:240
38504999291,25cyclictest0-21swapper/021:45:100
385061992820,4cyclictest0-21swapper/322:30:233
385061992820,4cyclictest0-21swapper/319:15:023
385061992820,4cyclictest0-21swapper/300:20:263
385061992818,7cyclictest499578-21latency_hist00:40:013
385061992818,6cyclictest0-21swapper/322:19:593
385058992822,3cyclictest0-21swapper/223:10:242
385058992820,6cyclictest0-21swapper/200:15:132
385058992820,5cyclictest0-21swapper/222:30:222
385058992817,7cyclictest487064-21grep00:00:242
385058992817,7cyclictest487064-21grep00:00:242
385055992822,3cyclictest0-21swapper/100:00:151
385055992822,3cyclictest0-21swapper/100:00:151
385055992820,5cyclictest0-21swapper/120:30:211
385055992819,6cyclictest429883-21grep21:15:261
38505599281,17cyclictest0-21swapper/123:30:011
385049992821,3cyclictest0-21swapper/000:20:000
385049992820,5cyclictest422829-21unixbench_multi20:55:260
385049992819,4cyclictest0-21swapper/023:41:330
385049992818,6cyclictest0-21swapper/019:10:440
385061992720,5cyclictest407718-21kworker/u8:0+events_unbound21:21:103
385061992720,5cyclictest407718-21kworker/u8:0+events_unbound21:21:103
385061992719,5cyclictest0-21swapper/320:10:253
385061992718,6cyclictest490414-21unixbench_multi00:10:253
385061992716,7cyclictest0-21swapper/323:20:243
385061992716,6cyclictest0-21swapper/319:55:013
38505899272,16cyclictest485789-21sendmail-msp00:00:002
385058992720,3cyclictest0-21swapper/220:25:262
385058992715,8cyclictest499457-21sendmail00:40:002
385055992720,5cyclictest231ktimers/121:30:131
385055992719,4cyclictest0-21swapper/120:55:011
385055992719,4cyclictest0-21swapper/100:20:011
385055992717,7cyclictest390255-21cat19:20:251
385049992719,5cyclictest0-21swapper/023:15:240
385049992718,5cyclictest0-21swapper/023:30:000
385049992717,6cyclictest0-21swapper/021:50:240
385061992618,5cyclictest0-21swapper/321:00:003
385061992618,4cyclictest0-21swapper/321:05:243
385061992617,5cyclictest0-21swapper/300:00:143
385061992617,5cyclictest0-21swapper/300:00:143
385061992617,4cyclictest0-21swapper/300:15:253
385061992614,8cyclictest204-21dbus-daemon23:16:293
385058992620,3cyclictest0-21swapper/221:55:022
385058992619,5cyclictest427158-21kworker/u8:4+events_unbound21:31:132
385058992619,4cyclictest0-21swapper/220:00:232
385058992617,5cyclictest0-21swapper/221:10:262
385058992616,6cyclictest0-21swapper/220:30:172
38505899261,5cyclictest489855-21meminfo00:10:192
385055992618,5cyclictest472146-21kworker/u8:2+events_unbound23:50:211
385055992618,4cyclictest0-21swapper/121:00:151
385055992618,4cyclictest0-21swapper/120:45:141
385055992617,5cyclictest0-21swapper/121:55:011
385049992620,2cyclictest0-21swapper/019:15:050
385049992619,4cyclictest466585-21cron23:05:000
385049992617,7cyclictest477032-21latency_hist23:35:020
385049992617,6cyclictest430273-21kworker/u8:1+events_unbound21:25:050
38504999261,3cyclictest0-21swapper/020:45:110
385061992519,3cyclictest0-21swapper/323:55:003
385061992519,3cyclictest0-21swapper/323:45:013
385061992518,4cyclictest0-21swapper/323:05:003
385061992518,3cyclictest0-21swapper/321:40:163
385061992515,7cyclictest0-21swapper/320:25:263
385061992515,6cyclictest0-21swapper/322:05:243
385058992519,4cyclictest380927-21kworker/u8:4+events_unbound19:26:382
385058992518,5cyclictest427158-21kworker/u8:4+events_unbound21:16:112
385058992518,4cyclictest464409-21tail22:55:242
385058992518,4cyclictest0-21swapper/219:40:242
385058992516,5cyclictest0-21swapper/219:45:232
385055992518,3cyclictest0-21swapper/120:00:231
385055992517,5cyclictest0-21swapper/120:15:011
385055992517,5cyclictest0-21swapper/119:15:031
385055992515,6cyclictest0-21swapper/123:45:151
38504999253,18cyclictest0-21swapper/019:20:170
385049992519,3cyclictest0-21swapper/022:30:010
385049992517,5cyclictest447214-21unixbench_singl22:05:240
385049992516,6cyclictest0-21swapper/021:15:250
385061992418,4cyclictest448425-21kworker/u8:2+events_unbound22:51:213
385061992418,3cyclictest0-21swapper/320:50:203
385061992418,3cyclictest0-21swapper/320:15:223
385061992417,3cyclictest0-21swapper/323:45:163
38506199241,12cyclictest451721-21wc22:20:183
385058992417,4cyclictest0-21swapper/222:45:172
385058992417,4cyclictest0-21swapper/220:55:012
385058992415,5cyclictest472722-21sshd23:20:202
385058992414,5cyclictest0-21swapper/200:21:122
385055992418,4cyclictest442215-21kworker/u8:0+events_unbound22:30:181
385055992418,3cyclictest0-21swapper/121:40:241
385055992418,3cyclictest0-21swapper/119:30:011
385055992416,5cyclictest0-21swapper/122:30:011
385055992416,4cyclictest0-21swapper/120:15:171
385055992414,6cyclictest0-21swapper/120:20:241
385049992418,3cyclictest13850irq/36-mmc119:35:010
385049992418,3cyclictest13850irq/36-mmc119:35:010
385049992416,5cyclictest0-21swapper/022:45:260
385049992415,5cyclictest0-21swapper/020:00:250
38504999241,19cyclictest0-21swapper/023:52:440
38504999241,19cyclictest0-21swapper/022:15:530
38504999240,20cyclictest0-21swapper/019:58:330
385061992317,3cyclictest0-21swapper/320:05:013
385061992316,5cyclictest432285-21kworker/u8:2+events_unbound21:46:433
385061992316,4cyclictest0-21swapper/300:30:013
385061992315,5cyclictest0-21swapper/323:55:143
385061992314,6cyclictest0-21swapper/320:40:013
385061992312,3cyclictest131rcu_preempt21:25:133
38505899234,11cyclictest449323-21cut22:15:002
385058992315,5cyclictest0-21swapper/221:45:152
38505899231,16cyclictest393075-21grep19:30:172
38505899231,16cyclictest393075-21grep19:30:172
385049992316,3cyclictest0-21swapper/023:58:040
385049992316,3cyclictest0-21swapper/022:54:020
385049992316,3cyclictest0-21swapper/020:43:230
385049992314,6cyclictest0-21swapper/000:11:300
38504999230,21cyclictest0-21swapper/019:25:130
38504999230,19cyclictest0-21swapper/021:35:490
38504999230,19cyclictest0-21swapper/019:43:250
385061992216,3cyclictest0-21swapper/323:35:133
385061992214,4cyclictest0-21swapper/319:20:173
385061992212,7cyclictest393329-21cat19:30:213
385061992212,7cyclictest393329-21cat19:30:213
385058992216,3cyclictest0-21swapper/221:20:142
385058992216,3cyclictest0-21swapper/221:20:142
385058992215,5cyclictest482148-21kworker/u8:3+events_unbound00:07:572
385058992214,4cyclictest0-21swapper/222:00:152
385055992215,5cyclictest423226-21kworker/u8:2+events_unbound21:10:101
385061992115,3cyclictest0-21swapper/321:10:233
385061992114,5cyclictest0-21swapper/320:20:173
385061992114,4cyclictest0-21swapper/319:45:243
385061992112,6cyclictest424551-21sed21:00:243
385061992110,8cyclictest473859-21apt-get23:25:113
38505899213,12cyclictest408351-21cut20:15:172
385055992115,3cyclictest0-21swapper/123:20:211
38505599202,5cyclictest131rcu_preempt20:40:121
385055992014,3cyclictest0-21swapper/119:35:261
385055992014,3cyclictest0-21swapper/119:35:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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