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2026-09-19 - 09:22

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 Sat Sep 19, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2297599270,0cyclictest16619-21diskmemload22:10:053
2297599270,0cyclictest0-21swapper/300:32:403
2297599260,25cyclictest0-21swapper/323:45:433
22973992624,1cyclictest18788-21chrt21:12:222
22975992523,1cyclictest0-21swapper/321:41:483
22975992521,3cyclictest16619-21diskmemload23:44:173
22975992520,4cyclictest16619-21diskmemload23:57:513
22975992520,4cyclictest0-21swapper/322:53:193
22975992518,6cyclictest6957-21cron20:50:003
2297599250,24cyclictest25883-21sh22:16:323
2297599250,24cyclictest16619-21diskmemload22:27:063
2297599250,21cyclictest16619-21diskmemload23:04:123
2297599250,21cyclictest0-21swapper/300:02:503
2297599250,20cyclictest0-21swapper/321:18:123
2297599250,1cyclictest735-21ssh00:21:123
2297599250,1cyclictest0-21swapper/321:10:383
2297599250,0cyclictest16619-21diskmemload22:24:123
2297599250,0cyclictest16619-21diskmemload22:00:563
2297599250,0cyclictest0-21swapper/300:07:393
2297399250,24cyclictest0-21swapper/223:08:222
2297399250,1cyclictest0-21swapper/220:40:002
2296999250,24cyclictest16619-21diskmemload22:18:471
2296999250,24cyclictest16619-21diskmemload00:25:451
22975992420,4cyclictest0-21swapper/321:37:483
22975992418,5cyclictest2147-21phc2sys23:22:443
2297599240,24cyclictest0-21swapper/323:18:143
2297599240,23cyclictest0-21swapper/321:20:463
2297599240,21cyclictest0-21swapper/323:38:173
2297599240,20cyclictest16619-21diskmemload00:36:323
2297599240,20cyclictest16619-21diskmemload00:12:173
2297599240,0cyclictest0-21swapper/322:39:593
2297599240,0cyclictest0-21swapper/322:30:263
22973992423,0cyclictest0-21swapper/221:21:242
2297399240,23cyclictest6491-21ntp_states22:27:432
2297399240,23cyclictest16619-21diskmemload23:00:202
2297399240,23cyclictest0-21swapper/222:35:302
22969992424,0cyclictest0-21swapper/122:41:391
22969992423,1cyclictest14156-21ssh21:37:151
22969992422,1cyclictest15889-21idleruntime-cro00:05:011
2296999240,24cyclictest0-21swapper/122:12:151
2296999240,1cyclictest19853-21ssh21:41:501
2296999240,1cyclictest16619-21diskmemload22:47:491
2296999240,0cyclictest0-21swapper/123:01:221
22968992424,0cyclictest0-21swapper/022:16:360
22968992421,2cyclictest17794-21awk20:05:000
2296899240,24cyclictest0-21swapper/023:29:090
2296899240,24cyclictest0-21swapper/022:02:590
2296899240,24cyclictest0-21swapper/021:35:460
22975992323,0cyclictest16619-21diskmemload21:56:283
22975992323,0cyclictest0-21swapper/300:16:053
22975992322,1cyclictest7443-21apt-get20:52:393
22975992320,3cyclictest0-21swapper/323:05:423
22975992320,3cyclictest0-21swapper/321:54:513
22975992319,4cyclictest16619-21diskmemload00:25:403
2297599230,22cyclictest14940-21sh22:06:313
2297599230,22cyclictest0-21swapper/319:57:363
2297599230,1cyclictest0-21swapper/321:27:373
2297599230,0cyclictest0-21swapper/323:52:423
2297599230,0cyclictest0-21swapper/323:14:283
2297599230,0cyclictest0-21swapper/322:55:373
22973992323,0cyclictest16619-21diskmemload00:37:102
22973992323,0cyclictest0-21swapper/223:15:482
22973992323,0cyclictest0-21swapper/200:15:402
22973992321,1cyclictest5306-21ssh21:27:492
22973992318,3cyclictest22228-21apt-get23:12:392
2297399231,1cyclictest607-21in:imuxsock20:30:002
2297399230,2cyclictest11412-21ssh23:31:542
2297399230,23cyclictest16619-21diskmemload22:56:282
2297399230,23cyclictest16619-21diskmemload22:40:462
2297399230,22cyclictest18749-21ssh21:40:172
2297399230,22cyclictest18241-21apt-get20:07:382
2297399230,22cyclictest16619-21diskmemload23:36:082
2297399230,0cyclictest0-21swapper/221:30:312
2297399230,0cyclictest0-21swapper/221:16:012
22969992323,0cyclictest16619-21diskmemload00:16:191
22969992323,0cyclictest0-21swapper/123:19:181
22969992323,0cyclictest0-21swapper/122:36:541
22969992323,0cyclictest0-21swapper/122:05:351
22969992323,0cyclictest0-21swapper/121:26:211
22969992323,0cyclictest0-21swapper/100:11:201
22969992321,2cyclictest26800-21ssh23:45:271
22969992321,1cyclictest26966-21users21:17:471
2296999230,2cyclictest9794-21ssh22:01:581
2296999230,23cyclictest0-21swapper/123:40:531
2296999230,23cyclictest0-21swapper/122:58:451
2296999230,23cyclictest0-21swapper/100:30:591
2296999230,22cyclictest9478-21sh23:58:551
2296999230,22cyclictest313-21systemd-journal19:25:011
2296999230,22cyclictest16619-21diskmemload21:55:311
2296999230,22cyclictest16619-21diskmemload00:21:121
2296999230,22cyclictest0-21swapper/122:31:481
2296999230,21cyclictest0-21swapper/123:32:551
2296999230,1cyclictest0-21swapper/123:36:501
2296999230,0cyclictest16619-21diskmemload23:05:441
2296999230,0cyclictest0-21swapper/123:23:551
22968992323,0cyclictest16619-21diskmemload00:30:470
22968992323,0cyclictest0-21swapper/023:16:470
22968992323,0cyclictest0-21swapper/022:29:030
22968992323,0cyclictest0-21swapper/022:20:230
22968992323,0cyclictest0-21swapper/021:34:410
22968992323,0cyclictest0-21swapper/021:10:100
22968992323,0cyclictest0-21swapper/000:10:050
22968992323,0cyclictest0-21swapper/000:04:130
22968992322,1cyclictest0-21swapper/023:38:050
22968992321,1cyclictest27330-21apt-get22:47:410
22968992321,1cyclictest0-21swapper/023:58:340
22968992321,1cyclictest0-21swapper/023:11:580
22968992320,2cyclictest25324-21sh21:46:450
22968992320,2cyclictest14597-21sh22:05:520
2296899231,1cyclictest62550irq/127-eno100:18:100
2296899230,23cyclictest0-21swapper/023:49:200
2296899230,23cyclictest0-21swapper/022:51:340
2296899230,23cyclictest0-21swapper/022:36:170
2296899230,23cyclictest0-21swapper/022:30:480
2296899230,23cyclictest0-21swapper/021:16:450
2296899230,23cyclictest0-21swapper/000:06:590
2296899230,22cyclictest6477-21sh00:26:270
2296899230,22cyclictest3932-21fschecks_count21:27:400
2296899230,22cyclictest3585-21ssh21:55:510
2296899230,22cyclictest32404-21ssh00:20:020
2296899230,22cyclictest13833-21ssh23:32:580
2296899230,21cyclictest0-21swapper/023:01:280
2296899230,1cyclictest25119-21sh23:43:190
2296899230,0cyclictest16619-21diskmemload23:51:210
2296899230,0cyclictest16619-21diskmemload22:41:190
22975992222,0cyclictest0-21swapper/322:45:373
22975992220,1cyclictest0-21swapper/321:45:183
2297599220,21cyclictest16619-21diskmemload23:31:333
2297599220,21cyclictest11784-21ssh21:34:073
2297599220,21cyclictest0-21swapper/322:41:303
2297599220,0cyclictest0-21swapper/320:02:383
22973992222,0cyclictest16619-21diskmemload00:02:562
22973992222,0cyclictest0-21swapper/223:45:192
22973992222,0cyclictest0-21swapper/222:50:022
22973992222,0cyclictest0-21swapper/221:46:222
22973992222,0cyclictest0-21swapper/220:52:392
22973992222,0cyclictest0-21swapper/200:25:062
22973992220,2cyclictest8594-21ssh22:00:062
22973992220,1cyclictest3897-21sh00:23:122
22973992220,1cyclictest16619-21diskmemload22:45:372
22973992220,0cyclictest0-21swapper/222:10:562
2297399220,22cyclictest0-21swapper/200:11:332
2297399220,21cyclictest3771-21apt-get19:37:372
2297399220,21cyclictest32646-21ssh23:21:282
2297399220,21cyclictest29995-21apt-get21:50:022
2297399220,21cyclictest24734-21ssh23:42:502
2297399220,21cyclictest17136-21ssh00:06:312
2297399220,21cyclictest16619-21diskmemload22:06:032
2297399220,21cyclictest14482-21apt-get21:37:382
2297399220,21cyclictest0-21swapper/219:32:392
2297399220,1cyclictest5982-21ssh23:26:542
2297399220,1cyclictest27759-21munin-run19:20:012
2297399220,1cyclictest27759-21munin-run19:20:012
2297399220,1cyclictest0-21swapper/222:16:052
2297399220,1cyclictest0-21swapper/220:50:002
2297399220,0cyclictest0-21swapper/223:59:422
22969992222,0cyclictest16619-21diskmemload22:51:081
22969992222,0cyclictest0-21swapper/121:11:241
22969992221,1cyclictest16619-21diskmemload00:05:021
22969992220,2cyclictest352-21ssh23:51:111
22969992220,1cyclictest25715-21ssh21:47:241
22969992220,1cyclictest0-21swapper/121:52:391
2296999220,21cyclictest29801-21idleruntime-cro20:30:001
2296999220,21cyclictest25795-21apt-get19:17:381
2296999220,21cyclictest25795-21apt-get19:17:381
2296999220,21cyclictest13373-21apt-get19:57:371
2296999220,21cyclictest0-21swapper/123:10:041
2296999220,21cyclictest0-21swapper/121:21:531
2296999220,1cyclictest3970-21ssh22:25:431
2296999220,1cyclictest16961-21ssh00:35:151
2296999220,0cyclictest0-21swapper/122:24:261
2296999220,0cyclictest0-21swapper/121:31:201
22968992221,1cyclictest27851-21apt-get20:27:380
22968992220,1cyclictest12931-21munin-run19:55:000
22968992220,1cyclictest0-21swapper/023:05:320
22968992220,1cyclictest0-21swapper/021:10:010
2296899220,21cyclictest21114-21ssh22:12:190
2296899220,21cyclictest0-21swapper/022:55:260
2296899220,21cyclictest0-21swapper/021:50:200
2296899220,21cyclictest0-21swapper/021:22:210
2296899220,0cyclictest974-21apt-get19:32:390
2296899220,0cyclictest0-21swapper/023:21:330
22975992121,0cyclictest0-21swapper/319:37:373
22975992121,0cyclictest0-21swapper/319:12:383
2297599210,20cyclictest14648-21apt-get21:07:383
22973992121,0cyclictest0-21swapper/219:52:382
22973992120,1cyclictest32582-21ssh23:50:542
22973992119,1cyclictest14202-21munin-run21:05:012
2297399210,21cyclictest0-21swapper/222:30:512
2297399210,20cyclictest9835-21apt-get20:57:382
2297399210,1cyclictest75-21kswapd000:30:012
2297399210,1cyclictest17797-21munin-run20:05:002
22969992121,0cyclictest0-21swapper/123:26:001
22969992121,0cyclictest0-21swapper/119:27:371
2296999210,0cyclictest0-21swapper/120:52:391
2296999210,0cyclictest0-21swapper/119:42:401
2296899210,21cyclictest0-21swapper/000:36:070
2296899210,20cyclictest0-21swapper/020:22:380
2296899210,0cyclictest0-21swapper/019:42:400
22975992020,0cyclictest0-21swapper/320:27:383
22975992020,0cyclictest0-21swapper/319:52:383
22975992020,0cyclictest0-21swapper/319:32:393
22975992020,0cyclictest0-21swapper/319:22:383
22975992019,1cyclictest23039-21apt-get20:17:393
22975992017,2cyclictest4596-21munin-plugin-st20:45:003
2297599200,20cyclictest0-21swapper/319:42:403
2297599200,0cyclictest12256-21apt-get21:02:403
22973992020,0cyclictest0-21swapper/221:07:382
22973992020,0cyclictest0-21swapper/220:22:382
22973992018,1cyclictest605-21avahi-daemon19:15:002
2297399200,20cyclictest0-21swapper/220:32:372
2297399200,0cyclictest0-21swapper/219:57:362
22969992020,0cyclictest0-21swapper/119:37:371
2296999200,19cyclictest30248-21apt-get20:32:371
22968992020,0cyclictest0-21swapper/021:02:390
22968992020,0cyclictest0-21swapper/020:57:380
22968992020,0cyclictest0-21swapper/020:32:370
22968992015,4cyclictest2807-21kworker/0:220:40:000
22975991919,0cyclictest0-21swapper/320:22:383
22975991919,0cyclictest0-21swapper/319:27:373
22969991919,0cyclictest23397-21apt-get19:12:371
22969991919,0cyclictest0-21swapper/121:07:381
22969991919,0cyclictest0-21swapper/120:42:391
22969991918,0cyclictest0-21swapper/120:07:381
22969991917,1cyclictest0-21swapper/121:05:011
22968991919,0cyclictest0-21swapper/019:37:370
22968991919,0cyclictest0-21swapper/019:17:380
22968991919,0cyclictest0-21swapper/019:17:380
2297599183,6cyclictest0-21swapper/320:12:383
22975991818,0cyclictest0-21swapper/320:32:373
22975991817,1cyclictest8584-21apt-get19:47:373
22969991818,0cyclictest0-21swapper/120:57:381
22969991818,0cyclictest0-21swapper/120:37:381
22969991817,1cyclictest0-21swapper/119:32:391
22969991816,2cyclictest22579-21wc20:15:011
22968991818,0cyclictest0-21swapper/020:52:390
22968991818,0cyclictest0-21swapper/020:17:390
22968991818,0cyclictest0-21swapper/020:12:380
22968991818,0cyclictest0-21swapper/020:07:380
22968991818,0cyclictest0-21swapper/019:57:360
22968991818,0cyclictest0-21swapper/019:22:370
22975991712,4cyclictest0-21swapper/320:07:383
22969991717,0cyclictest0-21swapper/120:22:381
22973991616,0cyclictest0-21swapper/219:27:372
22973991616,0cyclictest0-21swapper/219:22:372
22973991614,1cyclictest20634-21apt20:12:382
22969991616,0cyclictest0-21swapper/120:17:391
22969991616,0cyclictest0-21swapper/120:02:381
22968991616,0cyclictest0-21swapper/019:12:380
22973991515,0cyclictest0-21swapper/219:42:402
22968991515,0cyclictest0-21swapper/020:47:380
22968991515,0cyclictest0-21swapper/020:42:390
22975991414,0cyclictest0-21swapper/319:15:313
22975991414,0cyclictest0-21swapper/319:15:313
2297599140,0cyclictest0-21swapper/320:56:493
2297399140,14cyclictest0-21swapper/220:16:462
2297399140,14cyclictest0-21swapper/219:46:172
2297399140,0cyclictest0-21swapper/220:40:282
2296999140,14cyclictest0-21swapper/120:45:581
2296999140,14cyclictest0-21swapper/119:52:061
2296999140,14cyclictest0-21swapper/119:45:041
22968991414,0cyclictest0-21swapper/019:45:210
22968991414,0cyclictest0-21swapper/019:25:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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