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2026-08-27 - 05:47

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 highest latencies:
System rackeslot5s.osadl.org (updated Thu Aug 27, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4865992622,3cyclictest32184-21rm22:06:202
4869992523,1cyclictest0-21swapper/300:20:133
486999250,24cyclictest0-21swapper/322:05:443
486599250,24cyclictest30543-21diskmemload21:16:332
486599250,24cyclictest28017-21ssh22:03:222
4864992523,1cyclictest0-21swapper/121:51:571
486499251,23cyclictest24740-21expr22:00:451
486499250,24cyclictest16098-21munin-run00:15:011
486499250,24cyclictest0-21swapper/123:15:091
4863992523,1cyclictest15732-21sh22:50:000
4863992523,1cyclictest0-21swapper/021:56:200
4863992523,1cyclictest0-21swapper/021:50:400
486399250,24cyclictest30543-21diskmemload23:03:160
486399250,24cyclictest0-21swapper/021:15:530
4869992424,0cyclictest0-21swapper/323:10:323
4869992423,1cyclictest30543-21diskmemload23:40:553
486999240,24cyclictest0-21swapper/321:57:053
486999240,23cyclictest8931-21kworker/u8:222:16:003
486999240,0cyclictest30543-21diskmemload23:23:193
4865992422,1cyclictest26665-21ssh23:26:382
486599240,23cyclictest0-21swapper/221:20:352
4864992421,2cyclictest3178-21sh00:03:421
486499240,24cyclictest9743-21ssh21:19:361
486499240,24cyclictest0-21swapper/122:55:191
486499240,23cyclictest14519-21ssh22:20:341
486499240,23cyclictest0-21swapper/122:46:401
486499240,23cyclictest0-21swapper/121:27:471
486499240,1cyclictest30543-21diskmemload23:00:301
486499240,1cyclictest30543-21diskmemload22:25:091
486499240,1cyclictest30543-21diskmemload22:16:401
4863992422,1cyclictest9822-21ssh21:47:220
4863992422,1cyclictest622-21gdbus19:20:000
486399242,1cyclictest26526-21sh22:59:020
486399240,2cyclictest12073-21sh22:17:310
486399240,24cyclictest0-21swapper/022:52:270
486399240,23cyclictest19175-21diskmemload21:27:060
486399240,23cyclictest16599-21ssh23:46:090
486399240,1cyclictest30543-21diskmemload21:40:450
4869992323,0cyclictest30543-21diskmemload23:02:573
4869992323,0cyclictest30543-21diskmemload00:26:133
4869992323,0cyclictest0-21swapper/323:46:363
4869992323,0cyclictest0-21swapper/323:31:203
4869992323,0cyclictest0-21swapper/321:53:093
4869992323,0cyclictest0-21swapper/321:34:583
4869992323,0cyclictest0-21swapper/321:17:203
4869992321,1cyclictest0-21swapper/323:50:433
4869992321,1cyclictest0-21swapper/300:10:553
4869992320,2cyclictest20536-21ssh22:25:463
486999230,23cyclictest0-21swapper/323:27:093
486999230,23cyclictest0-21swapper/322:34:563
486999230,23cyclictest0-21swapper/321:27:513
486999230,23cyclictest0-21swapper/321:22:593
486999230,23cyclictest0-21swapper/321:11:493
486999230,1cyclictest30543-21diskmemload00:15:413
486999230,1cyclictest13052-21munin-run00:40:003
486999230,0cyclictest0-21swapper/321:49:343
4865992323,0cyclictest14784-21ssh00:13:162
4865992323,0cyclictest0-21swapper/223:43:122
4865992323,0cyclictest0-21swapper/223:06:312
4865992323,0cyclictest0-21swapper/222:50:042
4865992323,0cyclictest0-21swapper/222:16:572
4865992323,0cyclictest0-21swapper/200:09:242
4865992322,0cyclictest0-21swapper/222:47:042
4865992320,2cyclictest7623-21ssh22:41:422
4865992320,2cyclictest29250-21ssh23:57:522
4865992319,0cyclictest0-21swapper/200:35:352
486599230,2cyclictest29797-21sh23:30:312
486599230,2cyclictest23882-21ssh22:27:592
486599230,23cyclictest0-21swapper/221:47:072
486599230,23cyclictest0-21swapper/200:22:512
486599230,22cyclictest5239-21ssh23:36:152
486599230,22cyclictest30543-21diskmemload22:21:192
486599230,22cyclictest2945-21sh22:38:062
486599230,22cyclictest21453-21ssh23:22:222
486599230,22cyclictest15367-21sh23:16:532
486599230,22cyclictest0-21swapper/200:01:102
486599230,0cyclictest0-21swapper/221:11:072
4864992323,0cyclictest30543-21diskmemload23:35:411
4864992323,0cyclictest0-21swapper/123:47:171
4864992323,0cyclictest0-21swapper/122:34:151
4864992322,1cyclictest0-21swapper/100:31:521
4864992321,1cyclictest1064-21ssh23:05:281
4864992321,1cyclictest0-21swapper/123:44:431
486499230,23cyclictest0-21swapper/122:35:291
486499230,23cyclictest0-21swapper/100:25:551
486499230,23cyclictest0-21swapper/100:21:251
486499230,23cyclictest0-21swapper/100:07:531
486499230,22cyclictest31722-21basename20:05:001
486499230,22cyclictest30543-21diskmemload22:52:081
486499230,22cyclictest29880-21ssh23:30:381
486499230,22cyclictest26060-21ssh23:25:541
486499230,22cyclictest25973-21apt-get23:55:461
486499230,22cyclictest11060-21ssh00:37:171
486499230,22cyclictest10130-21ssh21:47:551
486499230,0cyclictest30543-21diskmemload22:06:221
486499230,0cyclictest0-21swapper/122:10:211
486499230,0cyclictest0-21swapper/121:43:101
486499230,0cyclictest0-21swapper/121:32:031
4863992323,0cyclictest30543-21diskmemload21:36:220
4863992323,0cyclictest0-21swapper/023:58:000
4863992323,0cyclictest0-21swapper/023:11:320
4863992323,0cyclictest0-21swapper/022:27:320
4863992323,0cyclictest0-21swapper/021:20:440
4863992323,0cyclictest0-21swapper/000:01:100
4863992321,1cyclictest27899-21apt-get00:25:020
4863992321,1cyclictest13046-21dump-pmu-power00:40:000
4863992321,1cyclictest0-21swapper/023:35:070
486399230,23cyclictest30543-21diskmemload21:13:170
486399230,23cyclictest0-21swapper/023:24:350
486399230,23cyclictest0-21swapper/023:17:590
486399230,23cyclictest0-21swapper/023:07:510
486399230,23cyclictest0-21swapper/022:40:260
486399230,22cyclictest6528-21awk20:20:010
486399230,22cyclictest4392-21cron22:40:010
486399230,22cyclictest29307-21cat20:00:000
486399230,22cyclictest21493-21sh00:19:420
486399230,22cyclictest20911-21apt20:50:000
486399230,22cyclictest0-21swapper/021:31:480
486399230,22cyclictest0-21swapper/000:05:460
486399230,21cyclictest2859-21ssh22:10:080
486399230,0cyclictest30543-21diskmemload23:40:160
486399230,0cyclictest30543-21diskmemload23:32:300
486399230,0cyclictest0-21swapper/022:32:280
4869992222,0cyclictest0-21swapper/322:40:153
4869992222,0cyclictest0-21swapper/322:11:113
4869992221,1cyclictest19264-21perf19:40:013
4869992221,1cyclictest0-21swapper/322:54:553
4869992220,1cyclictest16097-21apt20:40:003
4869992220,1cyclictest0-21swapper/323:58:213
4869992220,1cyclictest0-21swapper/300:05:113
4869992220,1cyclictest0-21swapper/300:00:353
486999220,2cyclictest703-21ssh21:40:133
486999220,21cyclictest4400-21apt-get20:15:443
486999220,21cyclictest32017-21apt-get20:05:413
486999220,21cyclictest10465-21sh22:45:123
486999220,21cyclictest0-21swapper/323:35:283
486999220,21cyclictest0-21swapper/322:01:113
486999220,1cyclictest3249-21sh23:05:583
486999220,1cyclictest30543-21diskmemload22:21:033
486999220,1cyclictest13387-21hddtemp_smartct23:15:463
486999220,1cyclictest0-21swapper/322:39:223
486999220,1cyclictest0-21swapper/321:35:573
486999220,1cyclictest0-21swapper/321:00:003
486999220,1cyclictest0-21swapper/319:40:433
486999220,1cyclictest0-21swapper/319:35:013
486999220,0cyclictest0-21swapper/322:56:513
4865992222,0cyclictest0-21swapper/223:50:572
4865992222,0cyclictest0-21swapper/222:55:402
4865992222,0cyclictest0-21swapper/200:27:592
4865992222,0cyclictest0-21swapper/200:15:262
4865992220,1cyclictest16133-21basename20:40:002
4865992220,1cyclictest0-21swapper/222:12:322
486599220,2cyclictest0-21swapper/221:36:182
486599220,21cyclictest25619-21ssh22:30:042
486599220,21cyclictest1974-21memory21:40:482
486599220,21cyclictest0-21swapper/223:45:272
486599220,21cyclictest0-21swapper/223:00:162
486599220,21cyclictest0-21swapper/219:40:432
486599220,21cyclictest0-21swapper/200:30:172
486599220,1cyclictest19093-21ssh21:26:592
486599220,1cyclictest18067-21ssh21:55:372
4864992222,0cyclictest0-21swapper/121:58:421
4864992222,0cyclictest0-21swapper/121:11:281
4864992221,1cyclictest0-21swapper/121:35:151
4864992220,1cyclictest0-21swapper/120:35:011
486499220,22cyclictest22988-21sh23:52:041
486499220,21cyclictest0-21swapper/122:40:201
486499220,1cyclictest0-21swapper/123:10:441
4863992222,0cyclictest30543-21diskmemload22:20:250
4863992220,1cyclictest24106-21latency_hist19:50:000
4863992220,1cyclictest0-21swapper/000:10:260
4863992219,2cyclictest23905-21sh23:25:140
486399220,21cyclictest23845-21ssh00:20:480
486399220,21cyclictest16433-21apt-get20:40:450
486399220,21cyclictest0-21swapper/023:52:150
486399220,21cyclictest0-21swapper/000:32:180
4869992120,1cyclictest0-21swapper/320:30:443
4869992120,0cyclictest0-21swapper/320:10:463
486999210,0cyclictest0-21swapper/300:30:303
4865992121,0cyclictest0-21swapper/221:50:212
4865992121,0cyclictest0-21swapper/219:45:442
4865992119,1cyclictest7454-21sh23:10:452
4865992119,1cyclictest16433-21apt-get20:40:442
4865992118,2cyclictest0-21swapper/219:30:012
486599210,1cyclictest26495-21apt-get19:55:022
486599210,0cyclictest0-21swapper/219:35:452
4864992121,0cyclictest0-21swapper/120:40:441
4864992121,0cyclictest0-21swapper/120:20:441
486499210,21cyclictest0-21swapper/121:20:211
486499210,20cyclictest32017-21apt-get20:05:421
486499210,0cyclictest27209-21apt-get19:55:441
486499210,0cyclictest26088-21apt-get21:00:461
486499210,0cyclictest19574-21apt-get19:40:441
4863992120,0cyclictest23819-21ssh22:00:020
486399210,20cyclictest0-21swapper/020:55:440
486399210,20cyclictest0-21swapper/020:05:420
486399210,20cyclictest0-21swapper/019:25:420
486399210,0cyclictest17161-21apt-get19:35:460
486399210,0cyclictest0-21swapper/019:10:430
4865992020,0cyclictest0-21swapper/220:15:442
4865992020,0cyclictest0-21swapper/220:00:452
486599200,1cyclictest23671-21apt-get20:55:442
486499200,0cyclictest0-21swapper/120:15:441
486499200,0cyclictest0-21swapper/119:35:451
4863992020,0cyclictest2005-21apt-get20:10:460
4863992020,0cyclictest0-21swapper/020:35:440
4863992018,1cyclictest16862-21grep19:35:010
4869991919,0cyclictest0-21swapper/319:50:443
4869991919,0cyclictest0-21swapper/319:25:423
486999190,4cyclictest0-21swapper/320:00:453
4865991919,0cyclictest0-21swapper/220:50:432
4865991919,0cyclictest0-21swapper/220:10:462
486599190,18cyclictest0-21swapper/221:00:462
4864991919,0cyclictest0-21swapper/120:55:441
4864991919,0cyclictest0-21swapper/120:10:451
4864991918,1cyclictest14762-21apt-get19:30:441
4863991919,0cyclictest0-21swapper/020:30:440
4863991919,0cyclictest0-21swapper/020:20:440
4863991917,1cyclictest12068-21dump-pmu-power19:25:000
4869991818,0cyclictest0-21swapper/320:50:433
4869991818,0cyclictest0-21swapper/319:10:433
4865991818,0cyclictest0-21swapper/220:45:432
4865991818,0cyclictest0-21swapper/220:05:412
4865991818,0cyclictest0-21swapper/219:30:442
4865991818,0cyclictest0-21swapper/219:15:432
4864991818,0cyclictest5159-21apt-get19:10:431
4863991818,0cyclictest0-21swapper/020:50:430
4869991717,0cyclictest0-21swapper/321:00:453
4865991717,0cyclictest0-21swapper/220:20:432
4864991717,0cyclictest12366-21apt-get19:25:421
486499170,16cyclictest24089-21idleruntime-cro19:50:001
4869991616,0cyclictest0-21swapper/319:45:443
4869991614,1cyclictest0-21swapper/319:20:513
4865991614,1cyclictest7258-21munin-run19:15:002
4865991614,1cyclictest28481-21apt-get21:05:442
4864991616,0cyclictest0-21swapper/120:45:431
4864991616,0cyclictest0-21swapper/119:50:451
4863991616,0cyclictest0-21swapper/021:00:460
486399160,1cyclictest0-21swapper/019:40:450
4869991515,0cyclictest0-21swapper/320:45:433
4869991515,0cyclictest0-21swapper/320:25:453
4869991513,1cyclictest0-21swapper/319:55:443
486999150,7cyclictest0-21swapper/320:40:443
486999150,14cyclictest0-21swapper/321:05:443
4865991514,1cyclictest9970-21apt-get19:20:432
4864991515,0cyclictest9224-21apt-get20:25:451
4864991515,0cyclictest0-21swapper/121:05:451
486399150,1cyclictest295642sleep020:00:220
486999140,14cyclictest0-21swapper/320:21:043
486999140,14cyclictest0-21swapper/319:15:373
486599140,14cyclictest0-21swapper/220:30:452
486599140,14cyclictest0-21swapper/219:52:022
486599140,0cyclictest0-21swapper/220:25:112
486499140,14cyclictest0-21swapper/120:50:011
486499140,0cyclictest0-21swapper/120:35:571
4863991414,0cyclictest0-21swapper/020:25:400
4863991413,1cyclictest0-21swapper/019:50:520
486399140,0cyclictest0-21swapper/021:05:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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