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2026-08-09 - 08:05

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #7

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 rackcslot7s.osadl.org (updated Sun Aug 09, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144349821190,2sleep10-21swapper/120:35:191
141102821160,14sleep1261ksoftirqd/119:05:191
144659321090,4sleep23056-21PK-Backend20:45:152
14107152730,8sleep30-21swapper/319:05:133
141192827250,14sleep20-21swapper/219:10:012
141158126747,14sleep00-21swapper/019:05:320
14521172580,4sleep0161rcuc/021:00:170
15205822480,2sleep00-21swapper/000:15:210
14488302470,4sleep03056-21PK-Backend20:50:220
14740722460,14sleep013-21ksoftirqd/022:05:000
14264962460,2sleep00-21swapper/019:48:350
14151072450,3sleep342-21ksoftirqd/319:15:173
14242202370,3sleep01424221-21ps19:40:200
14237832330,2sleep10-21swapper/119:40:141
14902012270,4sleep33056-21PK-Backend22:50:153
1412061992618,2cyclictest0-21swapper/021:25:150
139099260,4rtkit-daemon1389-21rtkit-daemon22:08:222
14867232250,4sleep10-21swapper/122:40:151
139099250,4rtkit-daemon1389-21rtkit-daemon23:46:593
139099250,4rtkit-daemon1389-21rtkit-daemon00:05:022
139099240,4rtkit-daemon1389-21rtkit-daemon23:30:323
139099240,3rtkit-daemon0-21swapper/019:29:010
14286112230,4sleep33056-21PK-Backend19:55:113
14286112230,4sleep33056-21PK-Backend19:55:113
141207199230,1cyclictest3056-21PK-Backend23:27:163
1412067992318,4cyclictest1514249-21latency_hist00:00:002
1412061992314,7cyclictest883-21dbus-daemon19:15:000
141206199230,21cyclictest1506431-21sh23:35:200
139099230,3rtkit-daemon1389-21rtkit-daemon21:31:422
1412071992218,3cyclictest1447712-21munin-run20:50:003
141207199220,20cyclictest3056-21PK-Backend22:07:123
1412067992220,1cyclictest0-21swapper/222:42:412
1412067992220,1cyclictest0-21swapper/221:07:162
1412067992220,1cyclictest0-21swapper/220:14:032
1412067992220,1cyclictest0-21swapper/219:49:092
141206799220,21cyclictest0-21swapper/223:03:372
1412064992220,1cyclictest0-21swapper/121:48:521
1412064992220,1cyclictest0-21swapper/120:08:271
1412064992220,1cyclictest0-21swapper/119:46:301
1412064992216,4cyclictest1482597-21cron22:30:001
141206499220,21cyclictest0-21swapper/122:38:541
141206199220,21cyclictest1413400-21chrt19:10:570
141206199220,1cyclictest0-21swapper/021:40:500
139099220,4rtkit-daemon1389-21rtkit-daemon21:42:252
139099220,4rtkit-daemon1389-21rtkit-daemon20:36:322
139099220,15rtkit-daemon3056-21PK-Backend22:44:173
139099220,15rtkit-daemon0-21swapper/323:05:373
15221322210,4sleep33056-21PK-Backend00:20:133
14589362210,3sleep00-21swapper/021:20:130
1412071992119,1cyclictest3056-21PK-Backend23:57:103
1412071992119,1cyclictest3056-21PK-Backend20:30:263
1412071992119,1cyclictest3056-21PK-Backend20:16:143
1412071992119,1cyclictest3056-21PK-Backend20:01:133
1412071992119,1cyclictest3056-21PK-Backend19:44:363
1412071992119,1cyclictest3056-21PK-Backend19:36:463
1412071992119,1cyclictest3056-21PK-Backend00:27:593
1412071992119,1cyclictest0-21swapper/323:23:243
1412071992119,1cyclictest0-21swapper/323:18:383
1412071992118,2cyclictest3056-21PK-Backend21:57:333
1412071992118,2cyclictest3056-21PK-Backend20:13:243
141207199210,20cyclictest0-21swapper/319:31:523
141207199210,19cyclictest3056-21PK-Backend21:18:253
1412067992119,1cyclictest0-21swapper/223:47:162
1412067992119,1cyclictest0-21swapper/223:21:012
1412067992119,1cyclictest0-21swapper/223:19:042
1412067992119,1cyclictest0-21swapper/223:12:422
1412067992119,1cyclictest0-21swapper/222:53:092
1412067992119,1cyclictest0-21swapper/222:31:062
1412067992119,1cyclictest0-21swapper/222:13:002
1412067992119,1cyclictest0-21swapper/221:19:272
1412067992119,1cyclictest0-21swapper/221:11:092
1412067992119,1cyclictest0-21swapper/219:54:572
1412067992119,1cyclictest0-21swapper/219:35:042
1412067992119,1cyclictest0-21swapper/219:24:012
1412067992119,1cyclictest0-21swapper/200:36:582
1412067992119,1cyclictest0-21swapper/200:19:492
1412067992119,1cyclictest0-21swapper/200:03:462
141206799210,20cyclictest0-21swapper/223:38:382
141206799210,20cyclictest0-21swapper/222:56:272
141206799210,20cyclictest0-21swapper/222:48:292
141206499212,18cyclictest0-21swapper/120:58:441
1412064992119,1cyclictest3056-21PK-Backend21:31:081
1412064992119,1cyclictest0-21swapper/123:36:551
1412064992119,1cyclictest0-21swapper/122:33:061
1412064992119,1cyclictest0-21swapper/121:11:201
1412064992119,1cyclictest0-21swapper/120:44:031
1412064992119,1cyclictest0-21swapper/120:21:251
1412064992119,1cyclictest0-21swapper/120:03:551
1412064992119,1cyclictest0-21swapper/119:59:021
1412064992119,1cyclictest0-21swapper/119:59:011
1412064992119,1cyclictest0-21swapper/119:37:121
1412064992119,1cyclictest0-21swapper/119:13:121
1412064992119,1cyclictest0-21swapper/100:28:391
1412064992119,1cyclictest0-21swapper/100:16:491
1412064992115,4cyclictest2156-21gnome-shell21:24:101
141206499210,20cyclictest0-21swapper/123:50:261
141206499210,20cyclictest0-21swapper/123:50:261
141206499210,20cyclictest0-21swapper/121:01:541
141206499210,20cyclictest0-21swapper/120:17:131
141206499210,1cyclictest0-21swapper/123:41:131
141206199218,11cyclictest1417719-21systemd19:25:010
1412061992119,1cyclictest0-21swapper/020:40:480
1412061992114,5cyclictest436-20systemd-journal20:10:000
141206199210,20cyclictest3056-21PK-Backend23:22:020
141206199210,20cyclictest0-21swapper/022:23:430
141206199210,19cyclictest0-21swapper/021:56:390
139099210,14rtkit-daemon0-21swapper/119:17:051
15243632200,5sleep20-21swapper/200:25:212
1412071992018,1cyclictest3056-21PK-Backend22:11:523
1412071992018,1cyclictest3056-21PK-Backend21:26:503
1412071992018,1cyclictest3056-21PK-Backend20:42:513
1412071992018,1cyclictest3056-21PK-Backend00:15:083
1412071992018,1cyclictest0-21swapper/322:37:213
1412071992018,1cyclictest0-21swapper/320:51:283
1412071992017,2cyclictest3056-21PK-Backend23:36:153
141207199200,1cyclictest3056-21PK-Backend19:10:023
141207199200,19cyclictest3056-21PK-Backend23:51:223
141207199200,19cyclictest3056-21PK-Backend23:51:223
141207199200,19cyclictest3056-21PK-Backend19:29:103
141207199200,19cyclictest3056-21PK-Backend00:36:453
141207199200,19cyclictest0-21swapper/322:18:353
1412067992018,1cyclictest0-21swapper/223:52:582
1412067992018,1cyclictest0-21swapper/223:52:572
1412067992018,1cyclictest0-21swapper/223:25:272
1412067992018,1cyclictest0-21swapper/223:06:542
1412067992018,1cyclictest0-21swapper/222:25:372
1412067992018,1cyclictest0-21swapper/221:52:462
1412067992018,1cyclictest0-21swapper/221:52:462
1412067992018,1cyclictest0-21swapper/221:27:582
1412067992018,1cyclictest0-21swapper/220:43:372
1412067992018,1cyclictest0-21swapper/219:41:592
1412067992018,1cyclictest0-21swapper/219:31:192
1412067992013,5cyclictest1485333-21ntpq22:35:212
1412067992012,6cyclictest1519296-21cron00:15:002
1412067992012,6cyclictest1448695-21ntp_states20:50:212
141206799200,19cyclictest0-21swapper/222:00:582
141206799200,19cyclictest0-21swapper/221:35:352
141206799200,19cyclictest0-21swapper/220:32:222
141206799200,19cyclictest0-21swapper/219:58:432
141206799200,19cyclictest0-21swapper/219:58:432
141206799200,19cyclictest0-21swapper/219:18:342
141206799200,19cyclictest0-21swapper/200:33:132
141206799200,19cyclictest0-21swapper/200:23:342
1412064992018,1cyclictest3056-21PK-Backend22:18:471
1412064992018,1cyclictest3056-21PK-Backend20:33:231
1412064992018,1cyclictest0-21swapper/123:12:001
1412064992014,4cyclictest2156-21gnome-shell21:56:091
1412064992011,7cyclictest1514117-40mandb00:00:011
141206499200,19cyclictest0-21swapper/123:20:521
141206499200,19cyclictest0-21swapper/123:18:561
141206499200,19cyclictest0-21swapper/122:13:201
141206499200,19cyclictest0-21swapper/121:38:111
141206499200,19cyclictest0-21swapper/120:52:361
141206499200,19cyclictest0-21swapper/120:25:041
141206499200,19cyclictest0-21swapper/100:22:431
1412061992018,1cyclictest0-21swapper/023:58:390
1412061992018,1cyclictest0-21swapper/023:40:280
1412061992018,1cyclictest0-21swapper/000:35:100
1412061992018,1cyclictest0-21swapper/000:30:020
1412061992018,1cyclictest0-21swapper/000:09:560
1412061992017,2cyclictest3056-21PK-Backend23:19:330
1412061992017,2cyclictest1095-21runrttasks00:24:190
1412061992013,6cyclictest1512150-21sshd23:52:430
1412061992013,6cyclictest1512150-21sshd23:52:430
1412061992012,6cyclictest1486443-21wc22:40:120
1412061992011,7cyclictest1488081-21apt22:45:120
141206199200,1cyclictest0-21swapper/000:13:400
141206199200,19cyclictest0-21swapper/023:08:100
141206199200,19cyclictest0-21swapper/022:13:550
141206199200,19cyclictest0-21swapper/021:50:240
141206199200,19cyclictest0-21swapper/021:50:230
139099200,3rtkit-daemon1389-21rtkit-daemon21:49:032
139099200,14rtkit-daemon3056-21PK-Backend22:46:233
139099200,14rtkit-daemon0-21swapper/322:34:443
1412071991917,1cyclictest3056-21PK-Backend22:57:493
1412071991917,1cyclictest3056-21PK-Backend21:02:453
1412071991917,1cyclictest0-21swapper/300:10:163
1412071991916,2cyclictest3056-21PK-Backend20:38:383
1412071991916,2cyclictest3056-21PK-Backend19:49:443
1412071991916,2cyclictest3056-21PK-Backend19:21:263
141207199190,1cyclictest3056-21PK-Backend22:03:083
141207199190,18cyclictest3056-21PK-Backend22:26:473
141207199190,18cyclictest3056-21PK-Backend21:22:383
141207199190,17cyclictest3056-21PK-Backend20:55:203
1412067991917,1cyclictest0-21swapper/221:55:432
1412067991917,1cyclictest0-21swapper/220:28:032
1412067991917,1cyclictest0-21swapper/220:22:292
1412067991917,1cyclictest0-21swapper/219:28:202
1412067991913,4cyclictest1504150-21ls23:30:142
141206799190,1cyclictest0-21swapper/223:42:572
141206799190,1cyclictest0-21swapper/222:23:552
1412064991917,1cyclictest0-21swapper/123:01:461
1412064991917,1cyclictest0-21swapper/122:56:321
1412064991917,1cyclictest0-21swapper/122:23:061
1412064991917,1cyclictest0-21swapper/121:06:341
1412064991917,1cyclictest0-21swapper/100:39:401
1412064991917,1cyclictest0-21swapper/100:05:331
1412064991916,2cyclictest0-21swapper/100:00:131
1412064991912,5cyclictest1427522-21cat19:50:181
1412064991910,7cyclictest1447083-21python320:45:221
141206499190,1cyclictest0-21swapper/121:41:421
141206499190,1cyclictest0-21swapper/121:15:121
141206499190,1cyclictest0-21swapper/119:26:091
141206499190,1cyclictest0-21swapper/119:24:011
141206499190,1cyclictest0-21swapper/100:31:371
141206499190,1cyclictest0-21swapper/100:12:161
141206499190,18cyclictest0-21swapper/122:46:041
141206199193,15cyclictest1095-21runrttasks19:54:050
1412061991917,1cyclictest0-21swapper/022:29:090
1412061991917,1cyclictest0-21swapper/022:15:030
1412061991917,1cyclictest0-21swapper/022:05:170
1412061991917,1cyclictest0-21swapper/021:37:180
1412061991917,1cyclictest0-21swapper/021:10:070
1412061991917,1cyclictest0-21swapper/020:58:590
1412061991917,1cyclictest0-21swapper/020:35:270
1412061991917,1cyclictest0-21swapper/000:27:050
141206199190,1cyclictest3056-21PK-Backend19:57:000
141206199190,1cyclictest3056-21PK-Backend19:57:000
141206199190,1cyclictest0-21swapper/022:51:550
141206199190,1cyclictest0-21swapper/020:23:570
141206199190,18cyclictest0-21swapper/022:33:080
141206199190,18cyclictest0-21swapper/021:45:360
141206199190,18cyclictest0-21swapper/021:18:460
141206199190,18cyclictest0-21swapper/021:08:400
141206199190,18cyclictest0-21swapper/019:35:030
1412071991816,1cyclictest3056-21PK-Backend23:11:343
1412071991816,1cyclictest3056-21PK-Backend21:06:373
1412071991814,3cyclictest1463818-21apt21:35:133
1412071991811,5cyclictest42-21ksoftirqd/320:05:233
1412067991816,1cyclictest3056-21PK-Backend20:00:242
1412067991816,1cyclictest0-21swapper/220:18:512
1412067991816,1cyclictest0-21swapper/219:14:562
1412067991812,4cyclictest1451639-21date21:00:002
1412064991816,1cyclictest0-21swapper/123:30:261
1412064991816,1cyclictest0-21swapper/123:29:371
1412064991816,1cyclictest0-21swapper/121:27:371
1412064991816,1cyclictest0-21swapper/119:33:261
1412064991815,2cyclictest0-21swapper/122:05:141
1412064991812,5cyclictest1434793-21cat20:10:221
1412061991816,1cyclictest3056-21PK-Backend23:25:540
1412061991816,1cyclictest0-21swapper/019:32:060
1412061991815,2cyclictest0-21swapper/020:02:280
1412061991813,4cyclictest1433946-21sort20:10:130
1412061991813,3cyclictest1497879-21swap23:10:210
1412061991813,3cyclictest1493214-21ls23:00:000
1412061991813,3cyclictest1447059-21processes20:45:210
1412061991812,5cyclictest1442573-21sed20:35:000
1412061991812,4cyclictest1437185-21apt-key20:20:000
139099180,15rtkit-daemon3056-21PK-Backend21:45:363
1412071991715,1cyclictest3056-21PK-Backend22:23:153
1412071991713,2cyclictest3056-21PK-Backend00:05:173
1412071991711,5cyclictest1463130-21sed21:30:233
141207199171,14cyclictest1526038-21ntp_states00:30:193
1412067991715,1cyclictest0-21swapper/220:57:572
1412067991711,4cyclictest1478385-21ntpq22:15:182
1412067991711,4cyclictest1432741-21tr20:05:172
141206499179,3cyclictest1469588-21load21:50:141
141206499179,3cyclictest1469588-21load21:50:141
1412064991715,1cyclictest0-21swapper/122:04:061
1412064991710,6cyclictest1495268-21awk23:05:131
1412064991710,5cyclictest1490713-21sed22:50:211
141206199178,7cyclictest883-21dbus-daemon23:35:010
1412061991715,1cyclictest0-21swapper/023:47:300
1412061991715,1cyclictest0-21swapper/022:36:260
1412061991711,5cyclictest1439487-21seq20:25:130
1412071991614,1cyclictest3056-21PK-Backend21:11:103
1412071991614,1cyclictest0-21swapper/321:50:163
1412071991614,1cyclictest0-21swapper/321:50:163
1412071991613,2cyclictest3056-21PK-Backend00:00:283
1412071991611,4cyclictest1495007-21ls23:05:003
141207199160,15cyclictest3056-21PK-Backend23:43:263
141206199161,12cyclictest1514373-21apt00:00:130
1412071991510,3cyclictest1437530-21/usr/sbin/munin20:20:173
141207199150,14cyclictest3056-21PK-Backend19:52:423
1412067991513,1cyclictest0-21swapper/221:24:272
141206499156,7cyclictest1509305-21cpuspeed_turbos23:45:131
141206199158,6cyclictest1462638-21cat21:30:180
141206199151,10cyclictest1493539-21apt23:00:120
1412071991411,2cyclictest3056-21PK-Backend20:29:523
141207199140,1cyclictest3056-21PK-Backend21:41:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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