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2026-09-05 - 23:30

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #1

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 all highest latencies:
System rackeslot1s.osadl.org (updated Sat Sep 05, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2316229215572,70sleep30-21swapper/307:09:093
2316061215258,80sleep20-21swapper/207:06:582
231713921200,1sleep10-21swapper/107:10:301
2316082210165,25sleep10-21swapper/107:07:131
231598228252,20sleep00-21swapper/007:05:550
24015152260,2sleep10-21swapper/108:20:001
337898220,4rtkit-daemon3377-21rtkit-daemon09:12:151
2316480992115,2cyclictest718-21gmain09:35:001
2316479992016,3cyclictest2462244-21cron09:10:000
2316480991916,2cyclictest2432105-21systemd-run08:45:021
2316480991916,2cyclictest1-21systemd11:35:011
2316480991911,5cyclictest2510942-21systemd-run09:50:001
2316479991916,2cyclictest2614480-21wc11:15:010
2316480991815,2cyclictest2629769-21kthreadcore11:25:341
2316480991815,2cyclictest2562680-21kthreadcore10:30:381
2316480991811,5cyclictest2486633-21grep09:30:001
2316479991815,2cyclictest616-21dbus-daemon10:10:000
2316480991714,2cyclictest9945-21gmain10:25:181
2316480991714,2cyclictest2544444-21kthreadcore10:15:361
2316479991714,2cyclictest616-21dbus-daemon09:55:010
2316479991714,2cyclictest2444699-21cpuspeed_turbos08:55:290
2316479991714,2cyclictest1-21systemd08:45:010
2316479991714,2cyclictest0-21swapper/011:25:000
2316482991614,1cyclictest0-21swapper/309:50:003
2316481991614,1cyclictest0-21swapper/207:20:002
231648099163,6cyclictest35-21ksoftirqd/107:30:011
2316480991613,2cyclictest616-21dbus-daemon11:50:011
2316480991613,2cyclictest2711741-21latency_hist12:35:001
2316480991613,2cyclictest2590149-21sh10:55:021
2316480991612,3cyclictest257-21systemd-journal09:40:001
2316480991612,3cyclictest2511405-21aten_repower_po09:50:261
2316480991612,3cyclictest2391268-21kthreadcore08:10:331
2316480991612,3cyclictest2377878-21tr08:00:301
2316479991613,2cyclictest2589927-21apt-get10:55:000
2316479991613,2cyclictest2407576-21latency_hist08:25:000
2316479991613,2cyclictest0-21swapper/010:40:000
2316479991612,3cyclictest2682000-21cpuspeed_turbos12:10:310
2316479991612,3cyclictest2486961-21acpi09:30:130
26645372150,2sleep30-21swapper/311:55:333
2316481991513,1cyclictest0-21swapper/208:20:022
231648099158,2cyclictest171rcu_preempt08:55:291
231648099157,7cyclictest257-21systemd-journal07:46:031
231648099157,7cyclictest2443978-21cron08:55:001
231648099157,2cyclictest171rcu_preempt09:15:331
231648099152,4cyclictest2620460-21cron11:20:001
2316480991512,2cyclictest638-21polkitd12:15:021
2316480991512,2cyclictest2600216-21kthreadcore11:00:331
2316480991512,2cyclictest1-21systemd12:25:001
2316480991511,3cyclictest2331948-21kthreadcore07:20:331
2316480991511,3cyclictest2326495-21kthreadcore07:15:341
2316480991511,3cyclictest1528-21cron09:25:001
231648099150,11cyclictest1-21systemd12:05:011
231647999157,7cyclictest257-21systemd-journal07:40:020
231647999157,7cyclictest2564160-21cut10:30:380
231647999154,10cyclictest2576863-21cut10:40:370
2316479991513,1cyclictest2352896-21cron07:40:000
2316479991512,2cyclictest2669213-21systemd-run12:00:000
2316479991511,3cyclictest833-21rs:main0
2316479991511,3cyclictest2706136-21aten_repower_po12:30:240
2316479991511,3cyclictest2616266-21kthreadcore11:15:340
2316479991511,3cyclictest2455068-21missed_timers09:00:380
2316479991511,3cyclictest2426077-21latency_hist08:40:020
2316479991511,3cyclictest2344396-21kthreadcore07:30:360
231647999150,12cyclictest2389841-21aten2.4-expect08:10:250
337898140,6rtkit-daemon2443225-21sendmail_mailqu08:50:400
2316482991412,1cyclictest0-21swapper/312:10:313
2316481991412,1cyclictest0-21swapper/212:25:002
2316481991412,1cyclictest0-21swapper/211:50:322
2316481991412,1cyclictest0-21swapper/210:30:002
2316481991412,1cyclictest0-21swapper/209:50:002
2316481991412,1cyclictest0-21swapper/209:25:002
2316481991412,1cyclictest0-21swapper/209:00:002
2316481991412,1cyclictest0-21swapper/208:05:002
231648099147,6cyclictest833-21rs:main1
231648099146,7cyclictest2524242-21cat10:00:321
231648099146,7cyclictest1-21systemd11:40:001
231648099145,8cyclictest2702704-21grep12:25:321
231648099145,8cyclictest2577798-21systemctl10:45:001
231648099144,8cyclictest2371089-21cron07:55:001
231648099144,8cyclictest1-21systemd11:00:011
231648099143,10cyclictest2675655-1telnet12:05:161
2316480991411,2cyclictest2621465-21fschecks_time11:20:311
2316480991411,2cyclictest2614456-21latency_hist11:15:011
2316480991411,2cyclictest2377204-21/usr/sbin/munin08:00:001
2316480991411,2cyclictest0-21swapper/112:20:001
2316480991411,2cyclictest0-21swapper/110:00:011
2316480991411,2cyclictest0-21swapper/109:05:001
2316480991410,3cyclictest616-21dbus-daemon08:30:011
2316480991410,3cyclictest2541333-21latency_hist10:15:001
2316480991410,3cyclictest2460442-21kthreadcore09:05:351
2316480991410,3cyclictest2387474-21kthreadcore08:05:361
2316480991410,3cyclictest2343977-21kthreadcore07:30:351
2316480991410,3cyclictest0-21swapper/111:05:301
231648099140,11cyclictest2553041-21grep10:20:411
231647999147,6cyclictest0-21swapper/009:55:150
231647999146,7cyclictest846-21gdbus12:30:010
231647999146,7cyclictest616-21dbus-daemon09:40:020
231647999146,7cyclictest616-21dbus-daemon08:30:010
231647999146,7cyclictest0-21swapper/009:40:160
231647999145,8cyclictest257-21systemd-journal07:15:110
231647999145,7cyclictest616-21dbus-daemon12:20:010
231647999145,7cyclictest2678760-21cut12:05:350
231647999145,7cyclictest2646475-21sed11:40:330
231647999145,7cyclictest2387347-21cut08:05:360
231647999143,6cyclictest2377171-21latency_hist08:00:000
2316479991411,2cyclictest2437971-21sh08:50:000
2316479991411,2cyclictest0-21swapper/009:20:000
2316479991410,3cyclictest2694170-21cpuspeed_turbos12:20:310
2316479991410,3cyclictest2463665-21sed09:10:330
231647999140,12cyclictest1-21systemd10:20:000
231647999140,11cyclictest257-21systemd-journal09:50:020
231647999140,11cyclictest2486222-21grep09:25:410
231647999140,10cyclictest2419866-21systemd-run08:35:010
231648299131,9cyclictest2614028-21chrt11:11:363
231648299131,9cyclictest2383674-21chrt08:05:153
231648299131,9cyclictest2346702-21chrt07:33:253
2316482991311,1cyclictest0-21swapper/312:30:143
2316482991311,1cyclictest0-21swapper/311:05:303
2316482991311,1cyclictest0-21swapper/309:55:373
2316482991311,1cyclictest0-21swapper/309:20:003
2316482991311,1cyclictest0-21swapper/309:10:003
2316482991311,1cyclictest0-21swapper/309:00:023
2316482991311,1cyclictest0-21swapper/308:05:003
2316482991311,1cyclictest0-21swapper/307:55:003
231648299131,10cyclictest2541055-21chrt10:11:483
2316481991311,1cyclictest0-21swapper/212:35:302
2316481991311,1cyclictest0-21swapper/211:10:412
2316481991311,1cyclictest0-21swapper/210:30:372
2316481991311,1cyclictest0-21swapper/210:10:372
2316481991311,1cyclictest0-21swapper/208:45:312
2316481991311,1cyclictest0-21swapper/208:05:362
2316481991311,1cyclictest0-21swapper/207:50:172
231648099139,3cyclictest2658640-21kthreadcore11:50:341
231648099139,3cyclictest2415565-21kthreadcore08:30:351
231648099137,2cyclictest171rcu_preempt10:05:331
231648099137,2cyclictest171rcu_preempt08:45:321
231648099134,7cyclictest257-21systemd-journal07:35:021
231648099134,7cyclictest2420048-21seq08:35:101
231648099134,7cyclictest2407407-21seq08:23:001
231648099130,7cyclictest2650498-21unixbench-2d11:40:411
231648099130,11cyclictest2499453-21cut09:40:291
231647999139,3cyclictest2535687-21aten_repower_fr10:10:220
231647999139,3cyclictest2476626-21kthreadcore09:20:330
231647999139,3cyclictest2381718-21kthreadcore08:00:360
231647999136,6cyclictest0-21swapper/007:10:110
231647999135,7cyclictest2669577-21cut12:00:130
231647999135,7cyclictest2338132-21cut07:25:360
231647999135,6cyclictest2579455-21cut10:45:340
231647999135,6cyclictest2553994-21aten_repower_po10:25:240
231647999135,6cyclictest2369439-21cut07:50:340
231647999134,8cyclictest257-21systemd-journal10:05:010
231647999134,7cyclictest2658476-21sed11:50:320
231647999133,9cyclictest2548052-21grep10:20:290
2316479991310,2cyclictest2596079-21sh11:00:000
231647999130,6cyclictest2598064-21kthreadcore11:00:320
231647999130,5cyclictest257-21systemd-journal07:50:010
231647999130,11cyclictest2400888-21sort08:15:380
231648299121,9cyclictest2511247-21chrt09:50:123
231648299121,9cyclictest2504745-21chrt09:43:593
231648299121,9cyclictest2492365-21chrt09:31:163
231648299121,9cyclictest2420087-21chrt08:35:133
231648299121,9cyclictest2419540-21chrt08:32:533
231648299121,8cyclictest2620877-21chrt11:20:143
231648299121,8cyclictest2371428-21chrt07:55:093
231648299121,8cyclictest2328212-21chrt07:15:413
231648299121,2cyclictest25964062sleep311:00:113
2316482991211,0cyclictest0-21swapper/309:25:003
2316482991210,1cyclictest0-21swapper/312:36:053
2316482991210,1cyclictest0-21swapper/311:45:163
2316482991210,1cyclictest0-21swapper/308:15:333
2316482991210,1cyclictest0-21swapper/307:25:353
2316482991210,1cyclictest0-21swapper/307:15:003
231648299120,10cyclictest2589875-21chrt10:54:533
231648199121,8cyclictest2706157-21chrt12:30:272
231648199121,8cyclictest2693118-21chrt12:15:442
231648199121,8cyclictest2530115-21chrt10:05:302
2316481991211,1cyclictest0-21swapper/208:20:302
2316481991210,1cyclictest0-21swapper/211:35:002
2316481991210,1cyclictest0-21swapper/211:20:282
2316481991210,1cyclictest0-21swapper/210:55:292
2316481991210,1cyclictest0-21swapper/210:00:292
2316481991210,1cyclictest0-21swapper/209:30:172
2316481991210,1cyclictest0-21swapper/209:25:352
2316481991210,1cyclictest0-21swapper/208:30:302
2316481991210,1cyclictest0-21swapper/207:20:282
2316481991210,1cyclictest0-21swapper/207:15:022
231648099129,2cyclictest2578204-21dconf11:17:131
231648099124,6cyclictest2712257-21seq12:35:261
231648099124,6cyclictest2667576-21cut11:55:351
231648099120,6cyclictest2353942-21cut07:40:321
231647999129,2cyclictest2712298-21cpu12:35:300
231647999126,4cyclictest989-21runrttasks07:20:090
231647999125,6cyclictest2639462-21tr11:35:300
231647999125,6cyclictest2627106-21aten_repower_po11:25:220
231647999124,7cyclictest2635292-21cut11:30:340
231647999123,7cyclictest2651387-21hostname11:45:160
231648299119,1cyclictest0-21swapper/310:35:303
231648299119,1cyclictest0-21swapper/310:15:133
231648299119,1cyclictest0-21swapper/310:05:353
231648299119,1cyclictest0-21swapper/310:00:293
231648299119,1cyclictest0-21swapper/308:40:363
231648299112,7cyclictest2494466-21chrt09:35:333
231648299112,7cyclictest2408497-21chrt08:25:313
231648299111,8cyclictest2700114-21chrt12:25:273
231648299111,8cyclictest2693815-21chrt12:20:103
231648299111,8cyclictest2687862-21chrt12:15:213
231648299111,8cyclictest2675698-21chrt12:05:193
231648299111,8cyclictest2669586-21chrt12:00:143
231648299111,8cyclictest2662814-21chrt11:51:363
231648299111,8cyclictest2645209-21chrt11:40:063
231648299111,8cyclictest2639303-21chrt11:35:253
231648299111,8cyclictest2638461-21chrt11:31:003
231648299111,8cyclictest2632382-21chrt11:25:433
231648299111,8cyclictest2620139-21chrt11:16:053
231648299111,8cyclictest2590409-21chrt10:55:213
231648299111,8cyclictest2583527-21chrt10:46:193
231648299111,8cyclictest2577474-21chrt10:41:263
231648299111,8cyclictest2559977-21chrt10:30:203
231648299111,8cyclictest2559272-21chrt10:26:473
231648299111,8cyclictest2553193-21chrt10:21:263
231648299111,8cyclictest2485849-21chrt09:25:393
231648299111,8cyclictest2467961-21chrt09:10:443
231648299111,8cyclictest2455810-21chrt09:00:543
231648299111,8cyclictest2438381-21chrt08:50:203
231648299111,8cyclictest2432359-21chrt08:45:193
231648299111,8cyclictest2407232-21chrt08:20:423
231648299111,8cyclictest2389624-21chrt08:10:043
231648299111,8cyclictest2364781-21chrt07:46:433
231648299111,8cyclictest2353243-21chrt07:40:063
231648299111,8cyclictest2347323-21taskset07:35:213
231648299111,8cyclictest2328908-21chrt07:20:063
231648199119,1cyclictest0-21swapper/212:05:332
231648199119,1cyclictest0-21swapper/211:46:572
231648199119,1cyclictest0-21swapper/211:42:522
231648199119,1cyclictest0-21swapper/211:35:302
231648199119,1cyclictest0-21swapper/211:25:282
231648199119,1cyclictest0-21swapper/211:15:292
231648199119,1cyclictest0-21swapper/211:08:032
231648199119,1cyclictest0-21swapper/211:00:062
231648199119,1cyclictest0-21swapper/210:50:352
231648199119,1cyclictest0-21swapper/210:42:272
231648199119,1cyclictest0-21swapper/210:20:232
231648199119,1cyclictest0-21swapper/210:15:302
231648199119,1cyclictest0-21swapper/209:56:222
231648199119,1cyclictest0-21swapper/209:50:132
231648199119,1cyclictest0-21swapper/209:16:262
231648199119,1cyclictest0-21swapper/209:10:132
231648199119,1cyclictest0-21swapper/209:05:002
231648199119,1cyclictest0-21swapper/208:55:012
231648199119,1cyclictest0-21swapper/208:36:302
231648199119,1cyclictest0-21swapper/208:15:002
231648199119,1cyclictest0-21swapper/207:56:332
231648199119,1cyclictest0-21swapper/207:40:102
231648199119,1cyclictest0-21swapper/207:39:092
231648199119,1cyclictest0-21swapper/207:30:232
231648199111,8cyclictest2705497-21chrt12:28:182
231648199111,8cyclictest2583546-21chrt10:46:342
231648199111,8cyclictest2571575-21chrt10:38:402
231648199111,8cyclictest2408092-21chrt08:25:262
231648199111,8cyclictest2340471-21chrt07:26:182
231648199110,9cyclictest2492991-21chrt09:35:042
231648199110,9cyclictest2456581-21chrt09:05:182
231648199108,1cyclictest0-21swapper/208:40:352
231648199100,8cyclictest2681636-21chrt12:10:072
231648199100,8cyclictest2670319-21chrt12:00:332
231648199100,8cyclictest2668837-21chrt11:55:562
231648199100,8cyclictest2499299-21chrt09:40:252
231648199100,8cyclictest2359396-21chrt07:45:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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