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2026-01-23 - 14:31
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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 Fri Jan 23, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1175199280,23cyclictest22051-21ssh21:25:270
1175199270,1cyclictest5269-21basename22:40:010
11753992622,4cyclictest0-21swapper/222:44:592
11752992624,1cyclictest0-21swapper/123:42:441
1175299260,25cyclictest5419-21diskmemload00:36:551
1175199260,0cyclictest0-21swapper/021:53:240
11753992523,1cyclictest0-21swapper/200:00:222
1175399250,22cyclictest6111-21sh23:11:312
1175399250,0cyclictest0-21swapper/221:32:272
1175299250,24cyclictest0-21swapper/123:50:131
1175299250,24cyclictest0-21swapper/121:56:151
11751992524,1cyclictest0-21swapper/000:04:430
11751992522,0cyclictest0-21swapper/000:22:280
1175799242,21cyclictest5419-21diskmemload23:21:403
1175799240,24cyclictest0-21swapper/323:37:073
1175799240,24cyclictest0-21swapper/321:47:513
1175799240,24cyclictest0-21swapper/300:00:563
1175799240,23cyclictest5419-21diskmemload23:14:073
1175799240,23cyclictest5419-21diskmemload22:41:503
1175799240,1cyclictest32174-21rm00:05:043
11752992421,2cyclictest26847-21sh00:30:451
1175299240,24cyclictest0-21swapper/121:17:541
1175299240,23cyclictest6956-21sh21:42:161
1175299240,23cyclictest0-21swapper/123:22:171
1175299240,23cyclictest0-21swapper/122:24:441
1175299240,23cyclictest0-21swapper/100:03:341
1175299240,0cyclictest5419-21diskmemload21:33:271
1175299240,0cyclictest0-21swapper/122:47:041
11751992423,1cyclictest22914-21diskmemload21:56:420
1175199240,23cyclictest22271-21sh22:26:080
1175199240,23cyclictest0-21swapper/023:15:500
1175199240,23cyclictest0-21swapper/023:05:260
1175199240,23cyclictest0-21swapper/000:15:020
1175199240,0cyclictest0-21swapper/022:57:160
11757992323,0cyclictest0-21swapper/323:26:433
11757992323,0cyclictest0-21swapper/322:59:073
11757992323,0cyclictest0-21swapper/321:27:573
11757992323,0cyclictest0-21swapper/300:39:463
11757992323,0cyclictest0-21swapper/300:28:523
11757992323,0cyclictest0-21swapper/300:16:373
11757992321,1cyclictest17070-21ssh22:21:183
11757992321,1cyclictest16654-21ssh23:50:513
11757992321,1cyclictest0-21swapper/322:18:213
11757992320,2cyclictest1332-21cut19:55:013
1175799230,23cyclictest5419-21diskmemload21:50:243
1175799230,23cyclictest0-21swapper/322:10:093
1175799230,22cyclictest5570-21sh23:40:093
1175799230,22cyclictest5419-21diskmemload22:06:053
1175799230,22cyclictest32023-21ssh22:34:363
1175799230,22cyclictest16605-21ssh00:21:223
1175799230,22cyclictest14912-21ssh21:18:043
1175799230,22cyclictest12594-21sh22:47:353
1175799230,22cyclictest11503-21ssh23:46:023
1175799230,22cyclictest1043-21ssh23:06:553
1175799230,0cyclictest0-21swapper/323:04:393
11753992323,0cyclictest5419-21diskmemload22:22:312
11753992323,0cyclictest0-21swapper/223:50:412
11753992323,0cyclictest0-21swapper/223:07:322
11753992323,0cyclictest0-21swapper/221:55:362
11753992323,0cyclictest0-21swapper/221:53:582
11753992323,0cyclictest0-21swapper/221:45:402
11753992323,0cyclictest0-21swapper/221:20:162
11753992323,0cyclictest0-21swapper/221:12:402
11753992323,0cyclictest0-21swapper/200:38:182
11753992323,0cyclictest0-21swapper/200:24:462
11753992322,1cyclictest17342-21sh22:51:422
11753992321,1cyclictest0-21swapper/223:30:002
11753992319,3cyclictest16516-21apt-get19:20:022
1175399230,23cyclictest32406-21kworker/u8:223:21:362
1175399230,23cyclictest0-21swapper/223:55:012
1175399230,23cyclictest0-21swapper/221:36:032
1175399230,23cyclictest0-21swapper/221:16:022
1175399230,22cyclictest27971-21ssh23:01:442
1175399230,22cyclictest13379-21dump-pmu-power20:20:002
1175399230,0cyclictest0-21swapper/223:18:152
1175399230,0cyclictest0-21swapper/222:08:452
1175399230,0cyclictest0-21swapper/200:11:332
11752992323,0cyclictest5419-21diskmemload22:41:351
11752992323,0cyclictest0-21swapper/122:12:071
11752992323,0cyclictest0-21swapper/121:52:381
11752992323,0cyclictest0-21swapper/121:39:381
11752992323,0cyclictest0-21swapper/100:06:311
11752992321,1cyclictest1899-21apt-get22:07:421
11752992321,1cyclictest0-21swapper/123:55:051
11752992321,1cyclictest0-21swapper/123:17:361
11752992321,1cyclictest0-21swapper/122:34:311
11752992321,1cyclictest0-21swapper/122:00:461
1175299230,23cyclictest0-21swapper/122:38:041
1175299230,22cyclictest5576-21ssh23:10:321
1175299230,22cyclictest5419-21diskmemload21:20:321
1175299230,22cyclictest30001-21strings23:32:471
1175299230,22cyclictest28196-21ssh23:02:041
1175299230,22cyclictest28187-21latency_hist20:50:011
1175299230,22cyclictest21926-21ssh21:25:161
1175299230,22cyclictest0-21swapper/123:48:551
1175299230,22cyclictest0-21swapper/100:15:531
1175299230,1cyclictest0-21swapper/100:23:011
1175299230,0cyclictest5419-21diskmemload00:25:071
1175299230,0cyclictest0-21swapper/123:39:011
1175299230,0cyclictest0-21swapper/122:51:371
11751992323,0cyclictest0-21swapper/022:51:170
11751992323,0cyclictest0-21swapper/022:46:210
11751992323,0cyclictest0-21swapper/000:32:250
11751992323,0cyclictest0-21swapper/000:10:470
11751992322,1cyclictest28170-21cron20:50:010
11751992322,1cyclictest0-21swapper/023:37:090
11751992321,1cyclictest15559-21apt-get23:20:020
11751992321,1cyclictest0-21swapper/022:15:190
11751992321,1cyclictest0-21swapper/021:41:250
11751992321,1cyclictest0-21swapper/021:31:230
11751992321,1cyclictest0-21swapper/000:26:020
1175199230,2cyclictest32196-21sh22:04:540
1175199230,2cyclictest12449-21ssh21:17:010
1175199230,23cyclictest5419-21diskmemload21:35:130
1175199230,23cyclictest0-21swapper/021:12:460
1175199230,1cyclictest6054-21ssh23:11:250
1175199230,0cyclictest0-21swapper/023:59:180
1175199230,0cyclictest0-21swapper/022:40:440
1175199230,0cyclictest0-21swapper/021:20:060
11757992222,0cyclictest0-21swapper/321:57:213
11757992221,1cyclictest5419-21diskmemload22:25:133
11757992221,1cyclictest0-21swapper/321:31:063
11757992220,1cyclictest22300-21kworker/u8:022:00:123
11757992220,1cyclictest18191-21rm21:22:373
1175799220,22cyclictest0-21swapper/300:32:453
1175799220,21cyclictest0-21swapper/322:50:473
1175799220,21cyclictest0-21swapper/319:27:423
1175799220,1cyclictest29641-21/usr/sbin/munin23:32:453
1175799220,1cyclictest0-21swapper/321:13:573
1175799220,0cyclictest0-21swapper/300:10:023
11753992222,0cyclictest5419-21diskmemload22:11:052
11753992222,0cyclictest0-21swapper/221:40:532
11753992220,1cyclictest16662-21apt-get20:27:442
11753992219,2cyclictest605-21avahi-daemon19:40:002
11753992218,3cyclictest0-21swapper/223:33:122
1175399220,2cyclictest22814-21ssh22:56:592
1175399220,22cyclictest0-21swapper/200:27:492
1175399220,21cyclictest5419-21diskmemload22:25:082
1175399220,21cyclictest20990-21idleruntime-cro20:35:002
1175399220,21cyclictest11979-21ssh22:16:422
1175399220,21cyclictest0-21swapper/223:35:062
1175399220,21cyclictest0-21swapper/222:48:252
1175399220,21cyclictest0-21swapper/222:02:452
1175399220,21cyclictest0-21swapper/221:27:472
1175399220,21cyclictest0-21swapper/220:42:422
1175399220,1cyclictest4688-21ssh22:39:032
1175399220,1cyclictest27376-21sh00:31:372
1175399220,1cyclictest0-21swapper/223:46:552
1175399220,1cyclictest0-21swapper/223:44:592
1175399220,1cyclictest0-21swapper/200:19:542
1175399220,0cyclictest0-21swapper/222:32:532
1175399220,0cyclictest0-21swapper/200:05:412
11752992222,0cyclictest5419-21diskmemload22:56:081
11752992222,0cyclictest5419-21diskmemload21:49:181
11752992222,0cyclictest0-21swapper/119:42:431
11752992220,1cyclictest6192-21awk20:05:011
11752992220,1cyclictest3781-21apt20:00:011
11752992220,1cyclictest0-21swapper/119:55:011
11752992219,2cyclictest1626-21chrt23:07:431
1175299220,21cyclictest5419-21diskmemload21:10:251
1175299220,21cyclictest0-21swapper/121:02:441
1175299220,21cyclictest0-21swapper/100:10:421
1175299220,1cyclictest5419-21diskmemload22:26:081
1175299220,1cyclictest11429-21ssh22:15:551
11751992222,0cyclictest0-21swapper/023:50:420
11751992221,1cyclictest0-21swapper/000:05:220
11751992221,0cyclictest0-21swapper/021:02:440
11751992220,1cyclictest0-21swapper/023:46:150
11751992220,1cyclictest0-21swapper/022:20:110
11751992220,1cyclictest0-21swapper/000:37:250
1175199220,21cyclictest9049-21apt-get20:12:430
1175199220,21cyclictest560-21idleruntime-cro21:00:010
1175199220,21cyclictest5419-21diskmemload22:30:140
1175199220,21cyclictest0-21swapper/022:11:240
1175199220,21cyclictest0-21swapper/020:27:440
1175199220,21cyclictest0-21swapper/020:17:430
1175199220,21cyclictest0-21swapper/019:52:430
1175199220,21cyclictest0-21swapper/019:32:430
1175199220,1cyclictest5607-21ssh23:40:120
1175199220,1cyclictest11635-21ssh21:45:330
1175199220,1cyclictest0-21swapper/023:30:430
1175199220,1cyclictest0-21swapper/023:26:080
11757992121,0cyclictest0-21swapper/323:55:103
11757992119,2cyclictest5696-21ssh21:40:253
1175799210,20cyclictest5419-21diskmemload21:35:243
1175799210,20cyclictest0-21swapper/321:02:443
1175799210,0cyclictest0-21swapper/320:52:423
11753992119,1cyclictest22210-21apt-get19:32:432
11753992119,1cyclictest14598-21apt-get19:17:422
11753992119,1cyclictest10986-21perf20:15:012
1175399210,20cyclictest12200-21apt-get19:12:422
1175399210,20cyclictest0-21swapper/221:07:462
1175399210,0cyclictest26268-21apt-get20:47:432
11752992121,0cyclictest0-21swapper/120:12:431
1175299210,20cyclictest29411-21apt-get19:47:431
1175299210,0cyclictest31057-21apt-get20:57:431
1175299210,0cyclictest21451-21apt-get20:37:401
11751992119,1cyclictest16560-21grep19:20:010
11751992119,1cyclictest14235-21/usr/sbin/munin20:22:440
1175199210,20cyclictest1790-21apt-get19:57:440
1175199210,1cyclictest5419-21diskmemload23:00:010
1175199210,0cyclictest0-21swapper/019:12:410
11757992020,0cyclictest4260-21apt-get20:02:433
11757992020,0cyclictest0-21swapper/320:27:443
11757992020,0cyclictest0-21swapper/319:22:423
11753992020,0cyclictest0-21swapper/220:20:022
1175399200,20cyclictest0-21swapper/219:42:422
11752992020,0cyclictest0-21swapper/120:20:021
11752992020,0cyclictest0-21swapper/119:32:431
1175299200,0cyclictest0-21swapper/119:20:021
11751992020,0cyclictest27020-21apt-get19:42:430
11751992020,0cyclictest0-21swapper/019:27:420
11751992020,0cyclictest0-21swapper/019:22:420
11757991919,0cyclictest0-21swapper/320:22:443
11753991919,0cyclictest0-21swapper/220:07:452
1175399190,18cyclictest0-21swapper/219:27:412
11752991919,0cyclictest0-21swapper/120:52:421
11757991818,0cyclictest0-21swapper/320:17:433
11757991818,0cyclictest0-21swapper/320:12:433
11757991818,0cyclictest0-21swapper/319:42:433
11757991817,1cyclictest24599-21apt-get19:37:413
11757991817,0cyclictest0-21swapper/319:32:433
11757991816,1cyclictest23386-21latency_hist20:40:013
11753991816,1cyclictest774-21runrttasks19:47:432
11752991817,1cyclictest0-21swapper/120:32:431
11752991816,1cyclictest26530-21sh19:40:001
11751991818,0cyclictest19055-21apt-get20:32:430
11751991818,0cyclictest0-21swapper/020:55:010
11751991818,0cyclictest0-21swapper/020:02:430
11757991717,0cyclictest0-21swapper/321:07:463
11753991717,0cyclictest0-21swapper/220:02:432
11752991717,0cyclictest19804-21apt-get19:27:421
11752991717,0cyclictest0-21swapper/121:07:461
11752991717,0cyclictest0-21swapper/120:27:441
11752991717,0cyclictest0-21swapper/120:07:451
11751991717,0cyclictest0-21swapper/020:07:450
1175199170,0cyclictest0-21swapper/019:47:430
11757991614,1cyclictest25812-21apt20:45:013
1175799160,15cyclictest14116-21basename19:15:013
11753991616,0cyclictest0-21swapper/221:02:442
11753991616,0cyclictest0-21swapper/219:57:442
11752991616,0cyclictest0-21swapper/119:17:421
11751991614,1cyclictest0-21swapper/021:10:000
11757991515,0cyclictest6656-21apt-get20:07:453
1175399154,10cyclictest0-21swapper/220:52:492
1175399150,14cyclictest0-21swapper/219:51:032
11752991515,0cyclictest0-21swapper/119:12:421
1175799140,14cyclictest0-21swapper/320:55:263
1175799140,14cyclictest0-21swapper/320:45:533
1175799140,14cyclictest0-21swapper/320:30:123
1175799140,14cyclictest0-21swapper/319:57:473
1175799140,14cyclictest0-21swapper/319:47:203
1175799140,14cyclictest0-21swapper/319:15:223
1175399140,14cyclictest0-21swapper/220:55:112
1175399140,14cyclictest0-21swapper/220:35:122
11751991414,0cyclictest0-21swapper/020:40:430
11751991414,0cyclictest0-21swapper/019:35:110
1175199140,0cyclictest0-21swapper/020:36:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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