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2026-06-29 - 07:51

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, 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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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 100 highest latencies:
System rackeslot5s.osadl.org (updated Mon Jun 29, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118799270,26cyclictest0-21swapper/022:49:320
1198992523,1cyclictest0-21swapper/321:15:033
119899250,24cyclictest7905-21ssh22:47:033
119899250,24cyclictest25652-21perf22:35:003
119899250,24cyclictest0-21swapper/321:47:023
1193992522,2cyclictest29248-21ssh21:40:172
119399250,24cyclictest1979-21ssh23:40:522
119399250,24cyclictest0-21swapper/223:55:302
119399250,1cyclictest30725-21ssh21:11:412
119399250,1cyclictest0-21swapper/222:11:262
118899252,22cyclictest20214-21ssh22:58:371
118899250,24cyclictest0-21swapper/122:20:121
118799250,24cyclictest0-21swapper/021:58:410
119899240,24cyclictest0-21swapper/323:45:253
119899240,23cyclictest22934-21ssh00:26:553
1193992423,1cyclictest3876-21apt-get19:15:522
1193992423,1cyclictest27591-21diskmemload22:08:322
1193992422,1cyclictest1107-21apt-get20:15:532
1193992422,1cyclictest0-21swapper/222:29:582
1193992421,2cyclictest27591-21diskmemload00:00:532
119399240,23cyclictest27591-21diskmemload23:01:152
119399240,23cyclictest27591-21diskmemload22:22:412
119399240,23cyclictest0-21swapper/221:15:532
119399240,23cyclictest0-21swapper/200:30:022
1188992421,2cyclictest32419-21cstates22:40:541
118899240,24cyclictest0-21swapper/121:58:571
118899240,24cyclictest0-21swapper/121:48:551
118899240,23cyclictest5810-21ssh00:11:271
118899240,23cyclictest5810-21ssh00:11:271
118899240,23cyclictest27591-21diskmemload21:39:291
118899240,23cyclictest0-21swapper/123:05:531
118899240,23cyclictest0-21swapper/121:21:011
118899240,1cyclictest19704-21df23:55:541
118899240,0cyclictest0-21swapper/123:23:341
118899240,0cyclictest0-21swapper/123:17:321
1187992423,1cyclictest62550irq/127-eno100:30:450
1187992423,1cyclictest0-21swapper/022:37:570
1187992422,1cyclictest27759-21sh21:38:390
118799242,1cyclictest62550irq/127-eno100:00:380
1187992421,2cyclictest6870-21sh21:20:270
118799240,24cyclictest0-21swapper/022:27:020
118799240,23cyclictest27591-21diskmemload21:41:010
118799240,23cyclictest0-21swapper/023:37:540
118799240,23cyclictest0-21swapper/023:30:530
118799240,23cyclictest0-21swapper/023:17:260
118799240,23cyclictest0-21swapper/000:29:310
118799240,1cyclictest27591-21diskmemload21:25:110
118799240,0cyclictest27591-21diskmemload23:20:430
1198992323,0cyclictest0-21swapper/323:50:193
1198992323,0cyclictest0-21swapper/323:34:163
1198992323,0cyclictest0-21swapper/323:15:313
1198992323,0cyclictest0-21swapper/323:10:503
1198992323,0cyclictest0-21swapper/323:08:063
1198992323,0cyclictest0-21swapper/323:00:543
1198992323,0cyclictest0-21swapper/300:33:563
1198992321,1cyclictest18530-21ssh22:56:233
1198992321,1cyclictest0-21swapper/323:22:303
1198992321,1cyclictest0-21swapper/300:18:193
1198992321,1cyclictest0-21swapper/300:09:113
119899230,2cyclictest31162-21sh21:41:013
119899230,23cyclictest0-21swapper/322:52:213
119899230,23cyclictest0-21swapper/321:55:193
119899230,23cyclictest0-21swapper/321:36:203
119899230,22cyclictest9376-21ssh21:21:383
119899230,22cyclictest22616-21sh22:02:433
119899230,22cyclictest17943-21ssh22:27:043
119899230,22cyclictest16387-21ssh00:21:013
119899230,22cyclictest16284-21ssh21:28:003
119899230,22cyclictest12894-21ssh22:22:463
119899230,1cyclictest1974-21ssh23:40:523
119899230,0cyclictest0-21swapper/323:36:113
119899230,0cyclictest0-21swapper/322:10:333
1193992323,0cyclictest2926-21apt-get22:15:012
1193992323,0cyclictest27591-21diskmemload22:36:402
1193992321,1cyclictest12797-21ssh00:18:232
1193992320,2cyclictest6122-21ssh23:15:242
1193992320,2cyclictest10304-21sh21:51:082
119399230,23cyclictest0-21swapper/223:47:272
119399230,23cyclictest0-21swapper/223:38:062
119399230,23cyclictest0-21swapper/221:27:042
119399230,23cyclictest0-21swapper/200:20:452
119399230,22cyclictest777-21ssh23:10:412
119399230,22cyclictest5859-21ssh00:11:302
119399230,22cyclictest5859-21ssh00:11:302
119399230,22cyclictest2818-21munin-run00:10:002
119399230,22cyclictest24832-21latency_hist21:05:002
119399230,22cyclictest22545-21sh22:02:382
119399230,22cyclictest14746-21ssh22:53:492
119399230,22cyclictest10538-21sh21:23:162
119399230,22cyclictest0-21swapper/222:31:282
119399230,0cyclictest27591-21diskmemload21:57:462
119399230,0cyclictest27591-21diskmemload00:25:172
119399230,0cyclictest0-21swapper/223:05:302
119399230,0cyclictest0-21swapper/221:34:102
1188992323,0cyclictest0-21swapper/122:53:091
1188992321,1cyclictest606-21dbus-daemon23:45:011
1188992321,1cyclictest5986-21basename19:20:001
1188992321,1cyclictest27591-21diskmemload00:35:021
1188992320,2cyclictest24354-21sh00:00:101
118899230,2cyclictest28949-21ssh00:32:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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