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2025-12-07 - 11:49

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot6s.osadl.org (updated Sun Dec 07, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10114211996,15sleep10-21swapper/119:05:151
2595521170,1sleep00-21swapper/021:05:000
98982113102,6sleep00-21swapper/019:05:110
11427210694,6sleep20-21swapper/219:06:442
11388210695,6sleep30-21swapper/319:06:133
12842800,1sleep20-21swapper/223:34:172
309442740,3sleep01171299cyclictest21:12:210
262252700,0sleep10-21swapper/100:35:131
17652540,0sleep10-21swapper/121:50:181
287562240,1sleep30-21swapper/323:28:453
181272220,1sleep0101ktimersoftd/000:25:300
1171699210,19cyclictest0-21swapper/321:30:143
143802190,1sleep123-21ksoftirqd/122:38:401
11715991916,2cyclictest6584-21kworker/u8:123:09:042
1171699180,3cyclictest0-21swapper/322:40:133
11715991815,2cyclictest30669-21kworker/u8:121:50:042
11715991815,2cyclictest23667-21kworker/u8:023:41:052
11715991815,2cyclictest23667-21kworker/u8:023:41:042
304252170,1sleep10-21swapper/121:45:411
11715991714,2cyclictest28702-21kworker/u8:122:26:052
11716991611,3cyclictest0-21swapper/320:30:163
11715991613,2cyclictest19491-21kworker/u8:022:18:012
11715991613,2cyclictest19491-21kworker/u8:022:04:052
11715991613,2cyclictest19491-21kworker/u8:021:49:042
1171599160,2cyclictest0-21swapper/221:43:042
11713991611,3cyclictest0-21swapper/119:50:261
11712991613,2cyclictest19491-21kworker/u8:021:43:040
1171299161,13cyclictest19431-21aten2.4_r3power21:35:120
1171699151,3cyclictest8292-21ssh21:57:003
11716991510,3cyclictest12244-21timerwakeupswit22:35:273
1171699150,13cyclictest27897-21diskmemload23:53:583
1171699150,13cyclictest27897-21diskmemload21:54:043
1171699150,13cyclictest0-21swapper/300:00:153
11715991512,2cyclictest6173-21kworker/u8:100:36:042
11715991512,2cyclictest572-21kworker/u8:021:17:052
11715991512,2cyclictest572-21kworker/u8:021:17:042
11715991512,2cyclictest19491-21kworker/u8:022:06:012
11715991512,2cyclictest18883-21kworker/u8:223:28:052
1171599151,12cyclictest8538-21rm21:23:132
1171599150,13cyclictest0-21swapper/222:10:012
1171599150,13cyclictest0-21swapper/219:40:142
1171399159,4cyclictest0-21swapper/122:48:091
1171399151,12cyclictest32517-21apt-get21:15:071
1171399151,12cyclictest32517-21apt-get21:15:071
11713991510,3cyclictest0-21swapper/122:07:241
1171399150,2cyclictest27897-21diskmemload22:25:181
1171399150,13cyclictest0-21swapper/122:57:171
1171399150,13cyclictest0-21swapper/122:14:571
1171299151,12cyclictest0-21swapper/023:35:090
1171299151,12cyclictest0-21swapper/023:35:080
86942140,2sleep20-21swapper/222:32:012
275022140,2sleep00-21swapper/000:35:290
194582140,1sleep3381ktimersoftd/300:27:413
1171699149,3cyclictest0-21swapper/322:45:173
1171699142,7cyclictest0-21swapper/319:50:003
1171699142,6cyclictest0-21swapper/320:25:003
1171699142,6cyclictest0-21swapper/300:25:003
1171699141,9cyclictest27132-21ssh00:35:243
1171699141,2cyclictest32564-21copy21:15:053
1171699141,2cyclictest32564-21copy21:15:043
11716991411,2cyclictest27897-21diskmemload00:15:203
11716991411,2cyclictest0-21swapper/300:12:243
11716991410,2cyclictest0-21swapper/323:40:003
11716991410,2cyclictest0-21swapper/323:40:003
1171699140,3cyclictest14143-21cpu19:15:123
1171699140,2cyclictest0-21swapper/323:11:243
1171699140,12cyclictest18534-21sh23:17:153
1171699140,12cyclictest11018-21sensors_temp20:25:253
1171699140,12cyclictest0-21swapper/323:23:293
1171699140,12cyclictest0-21swapper/322:10:213
1171699140,12cyclictest0-21swapper/321:05:153
11715991411,2cyclictest3761-21kworker/u8:120:22:042
11715991411,2cyclictest28801-21kworker/u8:019:18:052
11715991411,2cyclictest16131-21kworker/u8:119:29:052
11715991411,2cyclictest0-21swapper/223:35:082
11715991411,2cyclictest0-21swapper/223:35:082
11715991411,2cyclictest0-21swapper/223:12:282
11715991411,2cyclictest0-21swapper/222:40:482
11715991411,2cyclictest0-21swapper/200:05:132
1171599140,13cyclictest0-21swapper/200:30:182
1171599140,13cyclictest0-21swapper/200:25:182
1171599140,12cyclictest0-21swapper/223:24:262
11713991411,2cyclictest0-21swapper/123:16:161
11713991411,2cyclictest0-21swapper/121:21:371
11713991410,2cyclictest0-21swapper/123:50:081
1171399140,2cyclictest0-21swapper/123:36:241
1171399140,2cyclictest0-21swapper/123:36:241
1171399140,2cyclictest0-21swapper/123:31:161
1171399140,13cyclictest0-21swapper/122:52:481
1171399140,12cyclictest0-21swapper/123:29:111
1171399140,12cyclictest0-21swapper/123:11:311
11712991411,2cyclictest21442-21kworker/u8:019:46:040
11712991411,2cyclictest19241-21ssh23:18:260
1171299140,2cyclictest0-21swapper/023:40:250
1171299140,2cyclictest0-21swapper/023:40:250
1171299140,2cyclictest0-21swapper/022:50:550
1171299140,2cyclictest0-21swapper/000:11:550
1171299140,13cyclictest0-21swapper/023:57:050
1171299140,12cyclictest32010-21sh23:31:270
1171299140,12cyclictest29063-21ssh00:03:430
1171299140,12cyclictest0-21swapper/023:25:050
1171299140,12cyclictest0-21swapper/023:20:480
1171299140,12cyclictest0-21swapper/023:08:080
1171299140,12cyclictest0-21swapper/022:38:310
1171299140,12cyclictest0-21swapper/021:57:580
1171299140,12cyclictest0-21swapper/000:31:270
1171299140,12cyclictest0-21swapper/000:05:500
222192130,2sleep30-21swapper/321:37:353
1171699138,3cyclictest2179-21sed22:25:193
1171699132,6cyclictest0-21swapper/319:45:003
11716991310,2cyclictest30956-21ssh21:46:353
11716991310,2cyclictest27897-21diskmemload22:05:083
11716991310,2cyclictest0-21swapper/323:40:153
11716991310,2cyclictest0-21swapper/323:40:153
11716991310,2cyclictest0-21swapper/323:31:343
11716991310,2cyclictest0-21swapper/322:16:443
11716991310,2cyclictest0-21swapper/320:15:243
11716991310,2cyclictest0-21swapper/320:10:173
11716991310,2cyclictest0-21swapper/300:30:113
1171699130,2cyclictest0-21swapper/322:55:103
1171699130,2cyclictest0-21swapper/321:20:393
1171699130,12cyclictest0-21swapper/322:30:543
1171699130,12cyclictest0-21swapper/321:41:143
1171699130,12cyclictest0-21swapper/320:05:003
1171699130,11cyclictest3398-21ssh23:00:393
1171699130,11cyclictest27897-21diskmemload23:46:113
1171699130,11cyclictest0-21swapper/323:59:363
1171699130,11cyclictest0-21swapper/323:05:023
1171699130,11cyclictest0-21swapper/322:20:213
1171599137,2cyclictest0-21swapper/200:22:222
11715991310,2cyclictest7997-21kworker/u8:020:26:042
11715991310,2cyclictest20330-21kworker/u8:222:47:042
11715991310,2cyclictest0-21swapper/223:58:162
11715991310,2cyclictest0-21swapper/223:19:422
11715991310,2cyclictest0-21swapper/222:55:182
11715991310,2cyclictest0-21swapper/220:45:152
1171599130,2cyclictest0-21swapper/223:00:152
1171599130,2cyclictest0-21swapper/220:50:192
1171599130,12cyclictest0-21swapper/222:52:382
1171599130,12cyclictest0-21swapper/200:13:562
1171599130,12cyclictest0-21swapper/200:00:192
1171599130,11cyclictest0-21swapper/222:20:492
1171399138,3cyclictest2725-21ps23:00:191
1171399138,3cyclictest0-21swapper/121:30:231
11713991310,2cyclictest0-21swapper/123:40:261
11713991310,2cyclictest0-21swapper/123:40:261
11713991310,2cyclictest0-21swapper/123:21:011
11713991310,2cyclictest0-21swapper/122:32:411
11713991310,2cyclictest0-21swapper/121:42:361
11713991310,2cyclictest0-21swapper/120:25:161
11713991310,2cyclictest0-21swapper/120:00:171
11713991310,2cyclictest0-21swapper/119:25:161
11713991310,2cyclictest0-21swapper/119:20:171
11713991310,2cyclictest0-21swapper/119:15:441
11713991310,2cyclictest0-21swapper/100:30:431
11713991310,2cyclictest0-21swapper/100:20:391
11713991310,2cyclictest0-21swapper/100:09:011
1171399130,2cyclictest0-21swapper/123:06:071
1171399130,2cyclictest0-21swapper/122:44:511
1171399130,2cyclictest0-21swapper/122:21:421
1171399130,2cyclictest0-21swapper/122:00:151
1171399130,2cyclictest0-21swapper/121:36:371
1171399130,2cyclictest0-21swapper/121:29:371
1171399130,12cyclictest27897-21diskmemload22:19:511
1171399130,12cyclictest0-21swapper/121:11:171
1171399130,12cyclictest0-21swapper/120:10:161
1171399130,12cyclictest0-21swapper/100:26:401
1171399130,12cyclictest0-21swapper/100:18:261
1171399130,12cyclictest0-21swapper/100:01:061
1171399130,11cyclictest27897-21diskmemload23:45:021
11712991310,2cyclictest8171-21ssh22:31:080
11712991310,2cyclictest5480-21diskmemload22:29:330
11712991310,2cyclictest27897-21diskmemload23:51:240
11712991310,2cyclictest27897-21diskmemload23:10:160
11712991310,2cyclictest18748-21kworker/u8:122:10:010
11712991310,2cyclictest0-21swapper/023:00:480
11712991310,2cyclictest0-21swapper/022:55:360
11712991310,2cyclictest0-21swapper/022:20:490
11712991310,2cyclictest0-21swapper/022:07:120
11712991310,2cyclictest0-21swapper/020:50:150
11712991310,2cyclictest0-21swapper/020:25:190
11712991310,2cyclictest0-21swapper/019:25:260
11712991310,2cyclictest0-21swapper/019:15:120
11712991310,2cyclictest0-21swapper/000:15:140
1171299130,2cyclictest0-21swapper/023:48:050
1171299130,2cyclictest0-21swapper/022:40:150
1171299130,2cyclictest0-21swapper/022:00:070
1171299130,2cyclictest0-21swapper/021:51:160
1171299130,2cyclictest0-21swapper/021:45:220
1171299130,2cyclictest0-21swapper/021:31:180
1171299130,2cyclictest0-21swapper/021:20:420
1171299130,2cyclictest0-21swapper/021:16:090
1171299130,2cyclictest0-21swapper/021:16:090
1171299130,2cyclictest0-21swapper/020:35:150
1171299130,2cyclictest0-21swapper/020:15:190
1171299130,2cyclictest0-21swapper/000:23:090
1171299130,12cyclictest24223-21ssh22:49:350
1171299130,12cyclictest0-21swapper/022:15:060
1171299130,11cyclictest0-21swapper/021:26:040
1171699129,2cyclictest0-21swapper/321:10:213
1171699129,2cyclictest0-21swapper/319:30:203
1171699122,7cyclictest0-21swapper/320:40:583
1171699120,2cyclictest0-21swapper/322:00:123
1171699120,2cyclictest0-21swapper/320:50:153
1171699120,2cyclictest0-21swapper/300:05:323
1171699120,11cyclictest0-21swapper/322:50:373
1171699120,11cyclictest0-21swapper/321:25:203
1171599129,2cyclictest7997-21kworker/u8:020:57:042
1171599129,2cyclictest3664-21apt-get20:10:152
1171599129,2cyclictest21442-21kworker/u8:020:04:042
1171599129,2cyclictest21442-21kworker/u8:019:51:052
1171599129,2cyclictest1942-21kworker/u8:223:47:042
1171599129,2cyclictest0-21swapper/221:55:232
1171599129,2cyclictest0-21swapper/221:26:002
1171599129,2cyclictest0-21swapper/221:10:162
1171599129,2cyclictest0-21swapper/219:10:262
1171599129,2cyclictest0-21swapper/200:15:332
1171599120,2cyclictest0-21swapper/223:52:212
1171599120,2cyclictest0-21swapper/222:36:132
1171399129,2cyclictest0-21swapper/123:57:351
1171399129,2cyclictest0-21swapper/119:30:181
1171399129,2cyclictest0-21swapper/119:10:181
1171399127,3cyclictest0-21swapper/119:35:141
1171399122,7cyclictest0-21swapper/120:48:581
1171399122,7cyclictest0-21swapper/119:43:591
1171399121,3cyclictest26101-21munin-node1
1171399120,2cyclictest0-21swapper/120:20:161
1171399120,2cyclictest0-21swapper/100:10:501
1171399120,11cyclictest0-21swapper/121:55:051
1171399120,11cyclictest0-21swapper/120:40:171
1171399120,11cyclictest0-21swapper/120:35:151
1171299129,2cyclictest0-21swapper/019:50:150
1171299120,11cyclictest0-21swapper/020:00:430
1171699118,2cyclictest0-21swapper/321:02:313
1171699110,2cyclictest0-21swapper/319:25:143
1171599118,2cyclictest0-21swapper/221:30:542
1171599110,10cyclictest0-21swapper/221:36:232
1171399118,2cyclictest0-21swapper/119:45:251
1171399117,2cyclictest0-21swapper/120:05:171
1171399112,7cyclictest0-21swapper/119:57:581
1171399110,9cyclictest22330-21grep20:55:151
1171299118,2cyclictest0-21swapper/020:20:250
1171299118,2cyclictest0-21swapper/019:35:130
1171299118,2cyclictest0-21swapper/019:30:180
1171299110,2cyclictest0-21swapper/020:57:310
1171699107,2cyclictest0-21swapper/320:55:133
1171699102,7cyclictest0-21swapper/319:10:013
1171699101,7cyclictest0-21swapper/320:06:583
1171699101,6cyclictest0-21swapper/319:55:013
1171599107,2cyclictest7997-21kworker/u8:021:04:042
1171599107,2cyclictest0-21swapper/219:30:262
1171599100,2cyclictest0-21swapper/219:46:042
1171399101,3cyclictest5821-21munin-node1
1171399100,2cyclictest0-21swapper/120:30:261
1171299107,2cyclictest25887-21copy21:05:010
117169996,2cyclictest0-21swapper/320:35:043
117169994,3cyclictest17758-21cron19:24:593
117169991,6cyclictest0-21swapper/319:50:253
117169991,6cyclictest0-21swapper/319:35:163
117159996,2cyclictest21442-21kworker/u8:019:35:042
117159996,2cyclictest0-21swapper/220:40:202
117159996,2cyclictest0-21swapper/219:20:262
117159994,3cyclictest6784-21ps20:15:212
117159994,3cyclictest5129-21runrttasks20:30:022
117159994,3cyclictest2987-21grep20:05:262
117159994,3cyclictest14852-21ntp_offset20:35:182
117139996,2cyclictest20020-21apt-get20:50:131
117139990,8cyclictest0-21swapper/121:00:121
117129996,2cyclictest7997-21kworker/u8:020:45:040
117129996,2cyclictest21442-21kworker/u8:020:06:020
117129996,2cyclictest0-21swapper/020:30:280
117169983,3cyclictest18645-21if_eth020:45:183
117159983,3cyclictest4508-21dbus-daemon21:05:042
117159983,3cyclictest30574-21fschecks_time19:55:152
117129985,2cyclictest0-21swapper/020:40:050
117129985,2cyclictest0-21swapper/019:40:140
117129983,3cyclictest16096-21aten2.4-expect19:20:130
117129981,5cyclictest31885-21wc20:00:000
117129980,2cyclictest0-21swapper/019:10:100
117129970,6cyclictest0-21swapper/020:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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