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2026-05-14 - 14:56

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #4

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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  Intel
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: ondemand
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot4s.osadl.org (updated Thu May 14, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257726321910,5sleep30-21swapper/312:06:103
25668282880,1sleep10-21swapper/111:56:001
2276836996861,5cyclictest2324097-21kworker/u8:0+flush-8:008:01:091
2276836996860,4cyclictest2553271-21kworker/u8:4+events_unbound12:11:071
2276836996558,6cyclictest2572569-21kworker/u8:2+events_unbound12:36:041
2276836996556,4cyclictest2507713-21kworker/u8:0+events_unbound11:06:081
2276836996460,3cyclictest2378223-21kworker/u8:1+events_unbound09:01:081
2276836996459,3cyclictest2586920-21kworker/u8:0+events_unbound12:16:081
2276836996457,5cyclictest2407898-21kworker/u8:2+events_unbound10:11:011
2276834996459,4cyclictest2462612-21kworker/u8:3+events_unbound10:16:070
2276834996358,3cyclictest2378223-21kworker/u8:1+events_unbound09:56:070
2276836996257,4cyclictest2507713-21kworker/u8:0+events_unbound11:41:031
2276836996155,4cyclictest2553271-21kworker/u8:4+flush-8:012:21:041
2276836996155,4cyclictest2388672-21kworker/u8:0+flush-8:009:26:041
2276836996151,3cyclictest2378223-21kworker/u8:1+events_unbound10:50:541
2276834996158,2cyclictest2572569-21kworker/u8:2+events_unbound12:31:030
2276834996157,3cyclictest2586920-21kworker/u8:0+events_unbound12:16:090
2276834996155,4cyclictest2572569-21kworker/u8:2+events_unbound12:05:530
2276836996056,3cyclictest2462612-21kworker/u8:3+flush-8:010:36:041
2276836996055,3cyclictest2305325-21kworker/u8:4+flush-8:007:51:041
2276834996056,3cyclictest2407898-21kworker/u8:2+events_unbound09:41:060
2276834996056,3cyclictest2378223-21kworker/u8:1+events_unbound10:51:080
2276834996054,4cyclictest2342846-21kworker/u8:2+events_unbound08:31:100
2276834995956,2cyclictest2507713-21kworker/u8:0+events_unbound11:01:080
2276834995956,2cyclictest2507713-21kworker/u8:0+events_unbound11:01:070
2276834995955,3cyclictest2378223-21kworker/u8:1+events_unbound10:41:080
2276834995954,3cyclictest2558247-21kworker/u8:1+events_unbound12:10:530
2276834995953,5cyclictest2507713-21kworker/u8:0+events_unbound11:16:080
2276836995851,5cyclictest2553271-21kworker/u8:4+events_unbound11:50:541
2276836995851,5cyclictest2303691-21kworker/u8:1+flush-8:008:16:041
2276836995851,4cyclictest2378223-21kworker/u8:1+events_unbound08:56:061
2276834995855,2cyclictest2378223-21kworker/u8:1+events_unbound09:16:140
2276834995854,3cyclictest2448284-21kworker/u8:0+events_unbound10:30:570
2276834995854,3cyclictest2388672-21kworker/u8:0+flush-8:009:31:110
2276836995751,5cyclictest2305325-21kworker/u8:4+flush-8:007:46:041
2276834995753,3cyclictest2462612-21kworker/u8:3+events_unbound10:21:100
2276834995753,3cyclictest2244106-21kworker/u8:1+events_unbound07:21:080
2276836995652,3cyclictest2507713-21kworker/u8:0+events_unbound11:31:061
2276836995651,3cyclictest2572569-21kworker/u8:2+events_unbound12:31:061
2276836995651,3cyclictest2244106-21kworker/u8:1+events_unbound07:16:081
2276836995649,5cyclictest2462612-21kworker/u8:3+flush-8:010:31:041
2276834995652,3cyclictest2553271-21kworker/u8:4+events_unbound12:21:070
2276834995652,3cyclictest2305325-21kworker/u8:4+events_unbound07:41:070
2276834995652,3cyclictest2305325-21kworker/u8:4+events_unbound07:41:070
2276836995551,3cyclictest2276705-21kworker/u8:0+flush-8:007:11:101
2276836995550,3cyclictest2388672-21kworker/u8:0+flush-8:009:11:041
2276836995549,4cyclictest2462612-21kworker/u8:3+flush-8:010:16:041
2276836995548,5cyclictest2553271-21kworker/u8:4+flush-8:012:01:051
2276834995552,2cyclictest2378223-21kworker/u8:1+events_unbound10:56:070
2276834995551,3cyclictest2572569-21kworker/u8:2+events_unbound12:26:100
2276834995551,3cyclictest2553271-21kworker/u8:4+events_unbound12:01:090
2276834995551,3cyclictest2492916-21kworker/u8:2+events_unbound11:31:030
2276834995551,3cyclictest2407898-21kworker/u8:2+events_unbound10:06:050
2276834995551,3cyclictest2378223-21kworker/u8:1+flush-8:009:21:040
2276836995449,4cyclictest2462612-21kworker/u8:3+flush-8:010:20:541
2276836995448,5cyclictest2492916-21kworker/u8:2+flush-8:010:55:531
2276836995447,6cyclictest2324097-21kworker/u8:0+flush-8:008:06:071
2276834995450,3cyclictest2303691-21kworker/u8:1+flush-8:008:21:020
2276834995450,3cyclictest1918832-21kworker/u8:3+events_unbound07:40:010
2276834995449,4cyclictest2276705-21kworker/u8:0+events_unbound07:31:060
2276836995348,3cyclictest2378223-21kworker/u8:1+events_unbound09:45:531
2276836995347,4cyclictest2276705-21kworker/u8:0+flush-8:007:31:041
2276834995349,3cyclictest2388672-21kworker/u8:0+events_unbound09:06:140
2276834995349,3cyclictest1918832-21kworker/u8:3+events_unbound07:16:090
2276834995347,5cyclictest2492916-21kworker/u8:2+events_unbound11:36:030
2276834995345,3cyclictest2432992-21kworker/u8:3+events_unbound09:51:080
2276840995229,9cyclictest280-21systemd-journal10:45:322
2276836995247,4cyclictest2276705-21kworker/u8:0+events_unbound07:26:041
2276836995246,5cyclictest2388672-21kworker/u8:0+flush-8:009:31:061
2276836995246,5cyclictest2353247-21kworker/u8:3+flush-8:008:26:041
2276836995242,5cyclictest2407898-21kworker/u8:2+events_unbound10:00:541
2276834995248,3cyclictest2512914-21kworker/u8:1+events_unbound11:21:090
2276834995248,3cyclictest2492916-21kworker/u8:2+events_unbound10:45:530
2276834995248,3cyclictest2342846-21kworker/u8:2+events_unbound08:41:080
2276834995248,3cyclictest2305325-21kworker/u8:4+events_unbound07:46:100
2276836995145,4cyclictest2432992-21kworker/u8:3+flush-8:009:51:061
2276836995141,8cyclictest2427150-21ntpq09:36:041
2276834995148,2cyclictest2507713-21kworker/u8:0+events_unbound11:11:060
2276834995147,3cyclictest2512914-21kworker/u8:1+events_unbound11:25:030
2276834995147,3cyclictest2378223-21kworker/u8:1+events_unbound09:36:110
2276834995147,3cyclictest2363918-21kworker/u8:0+events_unbound08:46:030
2276836995046,3cyclictest2553271-21kworker/u8:4+events_unbound12:06:041
2276836995046,3cyclictest2507713-21kworker/u8:0+events_unbound11:36:071
2276836995046,3cyclictest2378223-21kworker/u8:1+flush-8:009:16:171
2276836995042,3cyclictest2305325-21kworker/u8:4+events_unbound07:36:031
2276836995040,8cyclictest2348888-21/usr/sbin/munin08:21:011
2276834995047,2cyclictest2407898-21kworker/u8:2+events_unbound10:01:120
2276834995046,3cyclictest2492916-21kworker/u8:2+events_unbound11:41:090
2276834995046,3cyclictest2303691-21kworker/u8:1+flush-8:008:05:520
2276834995042,3cyclictest2276705-21kworker/u8:0+events_unbound07:11:330
2276836994944,4cyclictest2363918-21kworker/u8:0+events_unbound08:46:071
2276834994945,3cyclictest2388672-21kworker/u8:0+events_unbound09:26:070
2276834994945,3cyclictest2324097-21kworker/u8:0+events_unbound08:01:090
2276840994840,5cyclictest280-21systemd-journal11:20:002
2276836994844,3cyclictest2507713-21kworker/u8:0+events_unbound11:20:521
2276836994843,4cyclictest2353558-21kworker/u8:4+events_unbound08:51:031
2276836994840,6cyclictest2596767-21ntpq12:26:041
2276834994844,3cyclictest2303691-21kworker/u8:1+flush-8:008:15:520
2276836994740,6cyclictest2507713-21kworker/u8:0+events_unbound11:16:001
2276836994740,4cyclictest2407898-21kworker/u8:2+events_unbound09:55:521
2276836994737,8cyclictest2521771-21ntpq11:11:051
2276834994744,2cyclictest2378223-21kworker/u8:1+events_unbound09:45:550
2276834994743,3cyclictest2324097-21kworker/u8:0+events_unbound08:10:550
2276836994641,3cyclictest2388672-21kworker/u8:0+flush-8:009:06:001
2276836994640,5cyclictest2378223-21kworker/u8:1+flush-8:010:25:561
2276834994642,3cyclictest2507713-21kworker/u8:0+events_unbound11:06:020
2276834994642,3cyclictest2378223-21kworker/u8:1+events_unbound09:10:570
2276834994642,3cyclictest2378223-21kworker/u8:1+events_unbound09:01:140
2276834994636,8cyclictest2305325-21kworker/u8:4+flush-8:007:51:030
2276840994535,7cyclictest2282093-21cat07:15:012
2276836994541,3cyclictest2363918-21kworker/u8:0+flush-8:008:35:571
2276834994541,3cyclictest2572569-21kworker/u8:2+flush-8:012:35:530
2276834994541,3cyclictest2462612-21kworker/u8:3+events_unbound10:13:330
2276834994541,3cyclictest2378223-21kworker/u8:1+events_unbound10:25:540
2276840994434,7cyclictest280-21systemd-journal07:55:012
2276836994440,3cyclictest2492916-21kworker/u8:2+events_unbound10:45:561
2276836994438,4cyclictest2244106-21kworker/u8:1+events_unbound07:21:041
2276834994440,3cyclictest2324097-21kworker/u8:0+events_unbound07:56:080
2276834994438,5cyclictest2363918-21kworker/u8:0+events_unbound08:35:500
2276840994336,5cyclictest2378092-21journal-offline08:46:112
2276836994338,4cyclictest2507713-21kworker/u8:0+flush-8:011:01:121
2276836994338,4cyclictest2507713-21kworker/u8:0+flush-8:011:01:121
2276834994339,3cyclictest2492916-21kworker/u8:2+events_unbound11:49:340
2276834994339,3cyclictest2353558-21kworker/u8:4+events_unbound08:56:320
2276836994237,3cyclictest2342846-21kworker/u8:2+events_unbound08:31:001
2276834994238,3cyclictest2507713-21kworker/u8:0+events_unbound11:51:120
2276834994238,3cyclictest2378223-21kworker/u8:1+events_unbound10:35:530
2276840994132,6cyclictest2358675-21base6408:30:012
2276836994137,3cyclictest2324097-21kworker/u8:0+flush-8:008:10:591
2276836994137,3cyclictest2305325-21kworker/u8:4+flush-8:007:41:051
2276836994137,3cyclictest2305325-21kworker/u8:4+flush-8:007:41:051
2276836994036,3cyclictest2378223-21kworker/u8:1+flush-8:009:20:531
2276834994036,3cyclictest2553271-21kworker/u8:4+events_unbound11:58:320
2276836993934,4cyclictest2324097-21kworker/u8:0+flush-8:007:56:001
2276836993933,4cyclictest2492916-21kworker/u8:2+events_unbound11:25:591
2276836993931,6cyclictest2432949-21apt-get09:45:001
2276834993935,3cyclictest2353558-21kworker/u8:4+events_unbound08:53:340
227683499390,37cyclictest1-21systemd07:28:320
2276836993833,4cyclictest2342846-21kworker/u8:2+flush-8:008:41:011
2276834993835,2cyclictest2353247-21kworker/u8:3+events_unbound08:26:320
22764552384,29sleep30-21swapper/307:07:143
2276836993733,3cyclictest2378223-21kworker/u8:1+events_unbound10:41:061
2276836993731,4cyclictest2553354-21apt-get11:45:491
22720112374,10sleep10-21swapper/107:05:041
2276836993530,3cyclictest2407898-21kworker/u8:2+events_unbound10:05:531
2276840993324,7cyclictest280-21systemd-journal12:24:592
2276840992923,4cyclictest280-21systemd-journal11:52:322
24709442280,6sleep3481ktimers/310:21:003
2276840992724,2cyclictest2393956-21fschecks_count09:05:562
2276840992723,2cyclictest2432585-21unixbench_singl09:41:092
2276840992723,2cyclictest2418473-21aten2_r5power_e09:30:542
2276840992722,3cyclictest2587371-21unixbench_singl12:16:112
2276840992721,4cyclictest280-21systemd-journal10:15:002
2276840992719,6cyclictest2543055-21cp11:35:012
2276840992622,3cyclictest413-21systemd-logind11:25:012
2276840992622,2cyclictest2518165-21cpuspeed_turbos11:10:532
2276840992618,6cyclictest280-21systemd-journal07:39:592
2276840992617,7cyclictest280-21systemd-journal10:35:322
2276840992522,2cyclictest2572511-21unixbench_singl12:01:112
2276840992522,2cyclictest2502931-21aten2_r5power_v10:55:522
2276840992522,2cyclictest2398692-21aten2_r5power_p09:10:522
2276840992421,2cyclictest2413486-21aten2_r5power_c09:25:512
2276840992420,3cyclictest2606841-21grep12:35:592
2276840992420,3cyclictest2313768-21munin-run07:45:002
2276840992420,3cyclictest2313768-21munin-run07:45:002
2276840992417,5cyclictest2512446-21apt-get11:05:002
2276840992417,5cyclictest2512446-21apt-get11:04:592
2276840992415,7cyclictest280-21systemd-journal08:51:322
22766382243,5sleep00-21swapper/007:09:370
2276840992320,2cyclictest2492277-21unixbench_singl10:41:112
2276840992320,2cyclictest2324447-21fschecks_count07:55:542
2276840992319,2cyclictest2578389-21cpuspeed_turbos12:10:522
2276840992313,2cyclictest0-21swapper/211:50:012
2276840992219,2cyclictest2563622-21fschecks_time11:55:542
2276840992219,2cyclictest2478219-21aten2_r5power_v10:30:532
2276840992218,3cyclictest2338306-21unixbench_multi08:06:092
2276840992218,2cyclictest2408186-21cron09:20:002
2276840992217,3cyclictest2543384-21cpuspeed_turbos11:35:522
2276840992217,3cyclictest2359989-21kthreadcore08:31:002
2276840992215,5cyclictest2351774-21kthreadcore08:20:582
2276840992214,6cyclictest2393252-21sshd09:03:322
22720422229,9sleep20-21swapper/207:05:302
2276840992118,2cyclictest2339054-21aten2_r5power_c08:10:532
2276840992118,2cyclictest2314300-21cpuspeed_turbos07:45:532
2276840992115,5cyclictest2346103-21journal-offline08:15:582
227684099211,18cyclictest2283484-21kthreadcore07:15:032
2276840992017,2cyclictest2423406-21aten2_r5power_e09:35:522
2276840992014,4cyclictest0-21swapper/207:35:002
2276840992013,5cyclictest280-21systemd-journal08:05:012
2276840992011,7cyclictest2472362-21grep10:21:102
227684099192,12cyclictest2532494-21apt-get11:25:042
227684099192,12cyclictest2473148-21apt-get10:25:532
227684099192,12cyclictest2443404-21apt-get09:55:512
2276840991916,2cyclictest2412791-21unixbench_singl09:21:102
2276840991915,2cyclictest2438563-21aten2_r5power_v09:50:532
227684099190,6cyclictest2599421-21cut12:30:582
2276840991815,2cyclictest2289535-21fschecks_time07:20:542
2276840991814,2cyclictest0-21swapper/212:26:032
2276840991814,2cyclictest0-21swapper/208:41:032
2276840991814,2cyclictest0-21swapper/207:30:012
227684099180,5cyclictest25749612cut12:05:592
227684099173,8cyclictest2497906-21apt-get10:50:512
2276840991713,2cyclictest0-21swapper/209:46:092
2276840991712,3cyclictest2364349-21fschecks_time08:35:532
2276840991712,3cyclictest0-21swapper/210:15:592
2276840991712,3cyclictest0-21swapper/210:06:012
227684099167,6cyclictest2553140-21sed11:45:012
227684099162,13cyclictest0-21swapper/208:55:322
2276840991612,2cyclictest2513342-21fschecks_time11:05:552
2276840991610,4cyclictest0-21swapper/210:00:592
23663682150,2sleep375-21kworker/3:1-events08:35:593
25479972132,6sleep30-21swapper/311:40:023
26031302122,6sleep30-21swapper/312:35:483
26025252122,6sleep30-21swapper/312:31:113
25835742122,6sleep30-21swapper/312:15:583
25623322123,6sleep30-21swapper/311:51:093
25533582122,6sleep30-21swapper/311:45:523
25397922122,6sleep30-21swapper/311:30:593
25366242122,6sleep30-21swapper/311:26:023
25278452122,6sleep30-21swapper/311:20:513
25226802122,5sleep30-21swapper/311:15:023
25184252122,6sleep30-21swapper/311:10:573
24926242122,5sleep30-21swapper/310:45:013
24828192122,6sleep30-21swapper/310:35:013
24792672122,6sleep30-21swapper/310:31:003
24579862122,6sleep30-21swapper/310:10:023
24576822122,6sleep30-21swapper/310:06:333
24441152122,6sleep30-21swapper/309:55:573
24393152122,6sleep30-21swapper/309:51:003
24359722122,6sleep30-21swapper/309:46:013
24323202122,6sleep30-21swapper/309:41:083
24244572123,5sleep30-21swapper/309:35:593
24125612122,7sleep30-21swapper/309:21:103
24032372122,6sleep30-21swapper/309:15:003
23890072123,6sleep30-21swapper/309:00:563
23835882122,6sleep30-21swapper/308:55:013
23784592122,6sleep30-21swapper/308:49:323
23734342122,6sleep30-21swapper/308:43:013
23586392122,5sleep30-21swapper/308:30:023
23538932122,6sleep30-21swapper/308:25:533
23492902122,6sleep30-21swapper/308:20:553
23446842123,5sleep30-21swapper/308:15:573
23427472122,6sleep30-21swapper/308:11:043
23338052122,5sleep30-21swapper/308:05:013
23291642122,6sleep30-21swapper/308:00:533
23179362123,5sleep30-21swapper/307:46:083
23093422122,6sleep30-21swapper/307:40:543
23093422122,6sleep30-21swapper/307:40:533
23040862122,6sleep30-21swapper/307:35:533
22938192122,5sleep30-21swapper/307:25:013
22934862122,6sleep30-21swapper/307:21:123
22879982122,6sleep30-21swapper/307:16:063
22770652122,6sleep30-21swapper/307:10:533
25930112112,5sleep30-21swapper/312:25:533
25880622112,5sleep30-21swapper/312:20:513
25781702112,5sleep30-21swapper/312:10:523
25682542112,5sleep30-21swapper/312:00:533
25647732111,6sleep30-21swapper/311:55:593
25431332112,5sleep30-21swapper/311:35:483
25140222112,5sleep30-21swapper/311:06:003
25076642112,5sleep30-21swapper/311:00:023
25076642112,5sleep30-21swapper/311:00:023
25027692112,5sleep30-21swapper/310:55:323
24978172112,5sleep30-21swapper/310:50:013
24934232111,6sleep30-21swapper/310:45:573
24730622112,5sleep30-21swapper/310:25:063
24671012112,5sleep30-21swapper/310:16:083
24482712112,5sleep30-21swapper/310:00:013
24221432112,5sleep30-21swapper/309:31:043
24151432112,5sleep30-21swapper/309:26:003
24035132112,5sleep30-21swapper/309:15:323
23933712112,5sleep30-21swapper/309:05:013
23787702112,6sleep30-21swapper/308:50:323
23244352112,5sleep30-21swapper/307:55:553
23189852112,5sleep30-21swapper/307:50:483
22993252112,5sleep30-21swapper/307:30:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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