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2026-08-05 - 22:00

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

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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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.
Unexpectedly long latencies may be caused by SMIs
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 rack2slot7s.osadl.org (updated Wed Aug 05, 2026 12:43:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37727499911091,15cyclictest0-21swapper/211:10:422
3772747995428,9cyclictest3778275-21systemd-run09:00:010
3772749995327,22cyclictest0-21swapper/212:25:592
3772748995142,6cyclictest3888040-21systemd-run12:25:011
3772747995027,5cyclictest3057970-21cups-browsed09:47:180
3772748994739,5cyclictest3876407-21/usr/sbin/munin12:05:421
3772749994613,2cyclictest0-21swapper/212:30:542
3772748994636,6cyclictest3823969-21latency_hist10:40:031
3772749994526,15cyclictest420-21avahi-daemon09:27:302
3772749994526,15cyclictest420-21avahi-daemon09:27:302
3772749994435,6cyclictest421-21dbus-daemon08:15:022
377274999441,16cyclictest3831239-21ssh10:51:002
3772748994430,6cyclictest0-21swapper/111:10:511
377274999439,3cyclictest0-21swapper/210:05:562
377274999433,6cyclictest3876968-21ntpq12:05:542
3772749994335,5cyclictest3793379-21systemd-run09:50:012
3772749994322,17cyclictest3776726-21kworker/u8:9-rpciod08:35:012
3772749994322,17cyclictest0-21swapper/210:56:022
3772748994335,5cyclictest3796474-21latency_hist09:55:021
3772748994334,5cyclictest420-21avahi-daemon09:33:111
3772748994334,5cyclictest420-21avahi-daemon09:33:111
377274799437,19cyclictest1000-21mta-sts-daemon11:10:420
3772747994336,4cyclictest3777014-21systemd-run08:35:020
3772749994233,6cyclictest3884951-21munin-run12:20:012
3772748994234,3cyclictest0-21swapper/107:45:011
3772748994233,6cyclictest3774268-21systemd-run07:40:011
3772749994132,5cyclictest3800583-21ssh10:00:522
3772749994126,12cyclictest0-21swapper/209:40:012
3772749994120,18cyclictest0-21swapper/211:26:032
3772749994116,22cyclictest3842141-21ssh11:10:012
377274999411,18cyclictest3855726-21ps11:30:592
377274999411,14cyclictest3815820-21ntpq10:25:502
3772748994133,5cyclictest3873678-21wc12:00:491
3772748994132,5cyclictest0-21swapper/110:35:001
3772747994134,4cyclictest3848804-21aten_r2power_cu11:20:410
3772747994130,8cyclictest3816828-21sshd10:27:060
3772747994129,9cyclictest3895054-21/usr/sbin/munin12:35:490
3772749994032,5cyclictest3776770-21systemd-run08:30:022
3772749994031,5cyclictest3881914-21systemd-run12:15:012
377274999402,8cyclictest3861815-21ps11:40:582
3772749994018,19cyclictest0-21swapper/209:50:502
3772749994015,21cyclictest0-21swapper/211:50:572
377274999401,16cyclictest3822135-21ps10:36:012
3772748994033,4cyclictest3859152-21sed11:36:061
3772748994033,4cyclictest3836060-21systemd-run11:00:011
3772748994029,7cyclictest3778746-21diskmemload11:41:021
3772747994033,5cyclictest3885725-21/usr/sbin/munin12:20:440
377274999391,14cyclictest665-21snmpd10:20:502
377274999391,12cyclictest3895207-21ssh12:35:522
377274999391,11cyclictest3782222-21ssh09:19:292
3772749993910,3cyclictest0-21swapper/212:24:502
377274999390,12cyclictest3826860-21ssh10:44:552
3772748993933,3cyclictest0-21swapper/109:20:011
3772748993931,4cyclictest0-21swapper/111:00:451
377274899392,29cyclictest3797719-21ssh09:56:011
3772747993933,4cyclictest3814730-21idleruntime-cro10:25:010
3772747993932,4cyclictest3774236-21munin-plugin-st07:40:010
377274999389,6cyclictest3057970-21cups-browsed10:30:462
3772749993832,3cyclictest0-21swapper/211:20:012
3772749993829,5cyclictest0-21swapper/212:00:572
3772749993819,16cyclictest0-21swapper/207:20:022
3772749993815,16cyclictest0-21swapper/210:12:562
3772749993814,21cyclictest1003-21mta-sts-daemon11:36:012
3772749993812,2cyclictest0-21swapper/211:55:422
3772749993812,2cyclictest0-21swapper/207:15:022
3772749993812,22cyclictest3851364-21munin-plugin-st11:25:012
377274999381,11cyclictest3829952-21/usr/sbin/munin10:50:012
377274999381,11cyclictest3829952-21/usr/sbin/munin10:50:012
377274999381,11cyclictest3797664-21ntpq09:55:592
3772749993730,3cyclictest0-21swapper/211:45:582
3772749993720,15cyclictest3772996-21kworker/u8:5+xprtiod07:25:022
3772749993713,2cyclictest0-21swapper/211:00:562
377274999371,12cyclictest3809887-21/usr/sbin/munin10:15:592
3772748993728,6cyclictest421-21dbus-daemon09:40:411
3772748993728,6cyclictest3857470-21systemd-run11:35:021
3772748993728,6cyclictest3057970-21cups-browsed10:15:521
3772748993726,7cyclictest420-21avahi-daemon12:34:191
3772747993729,6cyclictest3777845-21kworker/u8:16+rpciod09:25:010
3772747993729,6cyclictest3777845-21kworker/u8:16+rpciod09:25:010
3772747993727,8cyclictest3867658-21needreboot11:50:510
377274999369,3cyclictest0-21swapper/208:50:012
3772749993611,3cyclictest0-21swapper/209:05:022
3772749993611,3cyclictest0-21swapper/208:02:542
377274999361,11cyclictest3776520-21systemd-run08:25:022
3772748993629,4cyclictest1003-21mta-sts-daemon10:50:471
3772748993628,5cyclictest3880596-21unixbench_multi12:11:071
3772748993628,4cyclictest3773289-21latency_hist07:20:021
3772747993627,7cyclictest3780577-21sh09:15:010
3772747993623,7cyclictest151ktimers/009:55:580
377274999351,11cyclictest3784460-21latency_hist09:25:022
377274999351,10cyclictest3791408-21ssh09:44:362
377274999351,10cyclictest3773934-21latency_hist07:30:032
3772748993526,5cyclictest3777986-21cron08:55:011
3772747993528,4cyclictest3778527-21systemd-run09:05:020
3772747993527,5cyclictest3057970-21cups-browsed09:40:200
3772747993526,6cyclictest420-21avahi-daemon11:07:550
3772747993522,10cyclictest0-21swapper/009:10:010
377274999349,4cyclictest3778746-21diskmemload09:32:552
377274999349,4cyclictest3778746-21diskmemload09:32:552
3772749993414,16cyclictest0-21swapper/207:55:022
377274999341,11cyclictest3783990-21ssh09:24:152
3772748993427,4cyclictest1002-21mta-sts-daemon10:13:091
3772748993426,4cyclictest0-21swapper/111:55:511
3772748993426,3cyclictest0-21swapper/111:45:421
3772748993425,6cyclictest0-21swapper/112:16:011
3772748993424,6cyclictest3777760-21systemd-run08:50:011
377274899342,22cyclictest3825133-21ssh10:40:591
377274799343,25cyclictest3819003-21ssh10:30:570
3772747993428,4cyclictest3870947-21proc_pri11:55:580
3772747993427,4cyclictest3782417-21sendmail09:20:010
3772747993426,5cyclictest694-21cron08:20:010
3772747993425,6cyclictest3847684-21sshd11:18:070
3772747993421,9cyclictest0-21swapper/012:25:540
3772747993421,10cyclictest0-21swapper/009:40:010
3772749993312,2cyclictest0-21swapper/208:20:022
3772748993327,3cyclictest0-21swapper/108:00:011
3772748993326,4cyclictest3851441-21latency_hist11:25:021
3772748993326,4cyclictest3802492-21cron10:05:011
3772748993326,3cyclictest0-21swapper/111:25:571
3772748993326,3cyclictest0-21swapper/111:16:001
3772748993325,5cyclictest3776526-21systemd-run08:25:021
3772747993326,4cyclictest3776006-21systemd-run08:15:020
3772747993325,5cyclictest420-21avahi-daemon09:31:100
3772747993325,5cyclictest420-21avahi-daemon09:31:100
377274799332,25cyclictest3811656-21munin-run10:20:010
377274999326,6cyclictest567-21gdbus08:51:102
3772749993211,2cyclictest0-21swapper/209:13:102
3772749993210,2cyclictest0-21swapper/207:40:012
3772748993226,3cyclictest0-21swapper/109:00:011
3772748993224,5cyclictest0-21swapper/110:25:401
3772748993222,5cyclictest0-21swapper/110:05:571
377274799323,26cyclictest3858570-21sh11:35:540
3772747993220,8cyclictest12650irq/32-eth011:45:580
3772747993217,11cyclictest12650irq/32-eth010:40:570
3772748993125,3cyclictest0-21swapper/112:40:011
3772748993124,4cyclictest3888900-21kernelversion12:25:501
3772748993124,4cyclictest3775494-21sh08:05:011
3772748993121,7cyclictest3827961-21needreboot10:45:491
3772748993121,7cyclictest3827961-21needreboot10:45:491
3772747993125,4cyclictest3892736-21tail12:31:050
3772747993125,4cyclictest1-21systemd12:16:010
3772747993124,3cyclictest0-21swapper/010:55:010
3772747993117,4cyclictest3880540-21unixbench-2d12:11:070
3772749993024,3cyclictest0-21swapper/209:10:012
3772749993022,5cyclictest3775227-21munin-run08:00:012
3772748993025,2cyclictest0-21swapper/109:50:011
3772748993024,3cyclictest0-21swapper/109:15:011
3772748993021,6cyclictest0-21swapper/108:40:011
377274899301,23cyclictest3867876-21ssh11:51:001
377274799309,17cyclictest567-21gdbus12:05:390
3772747993023,4cyclictest1002-21mta-sts-daemon11:40:090
3772748992923,3cyclictest0-21swapper/107:55:011
3772748992922,3cyclictest0-21swapper/110:20:551
3772748992921,5cyclictest3789739-21idleruntime-cro09:40:011
3772748992920,6cyclictest421-21dbus-daemon07:25:021
3772747992924,2cyclictest0-21swapper/010:05:010
3772747992923,3cyclictest0-21swapper/011:00:570
3772747992915,9cyclictest0-21swapper/011:31:010
3772748992822,3cyclictest0-21swapper/108:30:011
3772748992820,5cyclictest3776997-21idleruntime-cro08:35:011
3772748992817,8cyclictest3777500-21munin-plugin-st08:45:021
3772748992816,7cyclictest567-21gdbus09:24:011
3772748992816,7cyclictest567-21gdbus09:24:011
3772747992823,3cyclictest1000-21mta-sts-daemon10:39:300
3772747992822,3cyclictest0-21swapper/009:26:570
3772747992822,3cyclictest0-21swapper/009:26:570
3772747992820,6cyclictest3852829-21switchtime11:26:040
3772747992817,8cyclictest3807036-21cat10:11:010
3772747992811,12cyclictest3834156-21ssh10:55:520
3772749992721,3cyclictest0-21swapper/208:40:012
3772748992721,3cyclictest0-21swapper/109:10:011
3772748992720,3cyclictest0-21swapper/111:05:501
3772747992722,3cyclictest3828648-21grep10:46:040
3772747992722,3cyclictest3828648-21grep10:46:040
3772747992721,3cyclictest3802524-21kworker/u8:10-xprtiod10:05:520
3772747992721,3cyclictest0-21swapper/009:50:440
3772747992721,3cyclictest0-21swapper/007:20:010
3772747992720,5cyclictest3873111-21systemd12:00:380
3772747992719,6cyclictest3775218-21cron08:00:010
3772748992618,5cyclictest3773765-21systemd-run07:30:021
3772747992619,5cyclictest3057970-21cups-browsed07:14:340
3772748992519,4cyclictest1002-21mta-sts-daemon09:27:441
3772748992519,4cyclictest1002-21mta-sts-daemon09:27:441
3772748992519,3cyclictest0-21swapper/107:15:021
3772748992518,4cyclictest1000-21mta-sts-daemon07:33:211
3772747992517,5cyclictest3057970-21cups-browsed08:38:410
3772749992418,3cyclictest0-21swapper/209:00:012
3772749992416,5cyclictest3774519-21systemd-run07:45:012
3772747992418,3cyclictest0-21swapper/008:50:020
3772747992418,3cyclictest0-21swapper/007:35:010
3772748992318,3cyclictest1000-21mta-sts-daemon09:00:231
3772748992316,4cyclictest1002-21mta-sts-daemon08:19:221
3772748992316,4cyclictest1001-21mta-sts-daemon07:45:481
3772747992316,4cyclictest3057970-21cups-browsed08:50:030
3772747992315,5cyclictest3057970-21cups-browsed07:26:330
3772747992314,6cyclictest694-21cron07:25:010
3772747992314,6cyclictest0-21swapper/007:45:010
3772748992212,7cyclictest3775977-21cron08:15:011
377274799229,10cyclictest0-21swapper/007:55:010
3772747992214,5cyclictest3057970-21cups-browsed08:20:290
3772747992213,6cyclictest0-21swapper/008:30:010
3772749992115,3cyclictest0-21swapper/208:45:012
3772748992116,2cyclictest0-21swapper/108:10:001
3772748992111,7cyclictest3772771-21latency_hist07:10:021
3772747992115,4cyclictest3057970-21cups-browsed08:01:590
3772747992115,3cyclictest0-21swapper/008:45:020
3772747992114,4cyclictest12650irq/32-eth007:50:010
377275099202,8cyclictest0-21swapper/310:40:583
377275099193,9cyclictest0-21swapper/311:25:573
3772749991914,3cyclictest3772386-21kworker/u8:9-rpciod07:10:012
377275099186,7cyclictest0-21swapper/311:50:553
3772749991812,3cyclictest0-21swapper/207:50:022
3772749991810,5cyclictest567-21gdbus07:33:422
3772747991810,4cyclictest0-21swapper/007:10:010
377275099173,7cyclictest0-21swapper/310:45:543
377275099173,7cyclictest0-21swapper/310:45:543
377275099172,8cyclictest0-21swapper/311:55:583
377275099171,9cyclictest0-21swapper/311:45:573
377274999179,6cyclictest3775761-21/usr/sbin/munin08:10:012
3772747991711,3cyclictest3775486-21cron08:05:020
377275099163,6cyclictest0-21swapper/312:05:543
377275099162,8cyclictest0-21swapper/312:35:593
377275099162,7cyclictest0-21swapper/311:30:553
377275099162,7cyclictest0-21swapper/311:00:503
377275099162,5cyclictest0-21swapper/309:05:023
377275099161,8cyclictest0-21swapper/312:30:533
377275099161,8cyclictest0-21swapper/312:10:583
377275099161,8cyclictest0-21swapper/311:10:503
377275099152,8cyclictest0-21swapper/310:35:563
377275099151,8cyclictest0-21swapper/312:25:533
377275099151,8cyclictest0-21swapper/312:15:493
377275099151,8cyclictest0-21swapper/311:15:533
377275099151,8cyclictest0-21swapper/309:55:593
377275099151,7cyclictest0-21swapper/310:50:543
377275099145,5cyclictest0-21swapper/311:40:563
377275099142,7cyclictest0-21swapper/311:35:553
377275099142,7cyclictest0-21swapper/310:05:443
377275099142,7cyclictest0-21swapper/309:48:473
377275099142,6cyclictest0-21swapper/309:50:473
377275099142,5cyclictest0-21swapper/307:20:023
377275099141,8cyclictest0-21swapper/310:10:483
377275099141,7cyclictest0-21swapper/310:25:523
377275099133,5cyclictest0-21swapper/310:20:503
377275099132,7cyclictest0-21swapper/312:00:393
377275099132,7cyclictest0-21swapper/311:20:483
377275099132,6cyclictest0-21swapper/310:55:503
377275099132,5cyclictest0-21swapper/308:20:023
377275099131,7cyclictest0-21swapper/310:30:443
377275099131,7cyclictest0-21swapper/310:15:443
377275099123,6cyclictest0-21swapper/308:45:013
377275099122,6cyclictest0-21swapper/311:05:423
377275099122,6cyclictest0-21swapper/310:00:453
377275099122,5cyclictest0-21swapper/308:15:023
377275099122,5cyclictest0-21swapper/307:15:023
377275099121,7cyclictest0-21swapper/312:20:413
377275099121,7cyclictest0-21swapper/309:30:023
377275099121,7cyclictest0-21swapper/309:30:023
377275099121,6cyclictest0-21swapper/309:20:013
377275099121,5cyclictest0-21swapper/309:25:023
377275099121,5cyclictest0-21swapper/309:25:023
377275099112,6cyclictest0-21swapper/308:05:013
377275099112,5cyclictest0-21swapper/309:40:003
377275099112,5cyclictest0-21swapper/308:35:013
377275099111,6cyclictest0-21swapper/309:41:373
377275099111,6cyclictest0-21swapper/309:10:013
377275099111,6cyclictest0-21swapper/308:30:013
377275099111,5cyclictest0-21swapper/308:50:013
377275099111,5cyclictest0-21swapper/307:45:013
377275099111,5cyclictest0-21swapper/307:40:013
377275099102,6cyclictest0-21swapper/307:50:013
377275099101,6cyclictest0-21swapper/309:31:213
377275099101,6cyclictest0-21swapper/309:31:213
377275099101,5cyclictest0-21swapper/308:23:383
377275099101,5cyclictest0-21swapper/308:00:013
377275099101,5cyclictest0-21swapper/307:55:013
377275099101,5cyclictest0-21swapper/307:25:013
37727509992,5cyclictest0-21swapper/308:58:423
37727509992,4cyclictest0-21swapper/309:11:543
37727509992,3cyclictest0-21swapper/307:10:023
37727509991,5cyclictest0-21swapper/308:40:013
37727509991,5cyclictest0-21swapper/308:10:003
37727509991,4cyclictest0-21swapper/307:35:033
37727509981,5cyclictest0-21swapper/308:55:013
37727509981,4cyclictest0-21swapper/307:30:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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