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2026-09-06 - 07:00

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 Sep 06, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
197521440,0sleep20-21swapper/223:50:182
1925321350,0sleep20-21swapper/223:35:162
203392116104,6sleep00-21swapper/019:07:040
20432211594,16sleep20-21swapper/219:08:142
20411211494,14sleep30-21swapper/319:07:593
1985329988,6sleep10-21swapper/119:05:531
264622830,0sleep30-21swapper/323:42:263
294782720,0sleep20-21swapper/223:13:192
20596992926,2cyclictest16534-21kworker/u8:121:58:012
20596992421,2cyclictest801-21kworker/u8:222:48:042
20596992320,2cyclictest8055-21kworker/u8:000:08:042
20596992320,2cyclictest19108-21kworker/u8:022:52:052
20596992320,2cyclictest16534-21kworker/u8:122:29:042
137502230,0sleep10-21swapper/122:56:381
20596992219,2cyclictest8055-21kworker/u8:023:59:042
20596992219,2cyclictest3931-21kworker/u8:321:19:042
20596992219,2cyclictest27761-21kworker/u8:122:42:052
20596992219,2cyclictest18968-21kworker/u8:021:26:042
20597992118,2cyclictest8055-21kworker/u8:000:01:053
20596992118,2cyclictest25436-21kworker/u8:121:42:052
20596992118,2cyclictest19108-21kworker/u8:023:01:052
20596992118,2cyclictest13686-21kworker/u8:223:42:012
2059499210,7cyclictest0-21swapper/019:58:040
20597992017,2cyclictest29681-21kworker/u8:222:37:043
20596992017,2cyclictest9876-21kworker/u8:022:06:042
20596992017,2cyclictest3415-21kworker/u8:219:10:052
20596992017,2cyclictest29681-21kworker/u8:222:19:042
20596992017,2cyclictest29681-21kworker/u8:222:12:052
20596992017,2cyclictest22564-21kworker/u8:200:29:042
20596992017,2cyclictest22564-21kworker/u8:200:13:042
20596992017,2cyclictest22564-21kworker/u8:200:13:042
20596992017,2cyclictest1869-21kworker/u8:100:32:042
2059499200,18cyclictest0-21swapper/020:45:110
188252200,0sleep30-21swapper/300:07:153
20597991915,2cyclictest19779-21ssh21:58:063
20597991915,2cyclictest1869-21kworker/u8:100:28:043
20597991913,2cyclictest9876-21kworker/u8:022:07:043
20596991916,2cyclictest7982-21kworker/u8:122:58:012
20596991916,2cyclictest24043-21kworker/u8:120:38:042
20596991916,2cyclictest15431-21kworker/u8:223:20:042
2059699190,2cyclictest0-21swapper/222:35:052
2059699190,2cyclictest0-21swapper/221:32:042
2059599190,17cyclictest0-21swapper/121:33:171
155112190,0sleep30-21swapper/322:59:173
20597991815,2cyclictest29681-21kworker/u8:222:22:053
20597991815,2cyclictest27761-21kworker/u8:122:42:013
20597991815,2cyclictest16171-21kworker/u8:100:17:043
20596991815,2cyclictest3415-21kworker/u8:219:57:042
20596991815,2cyclictest26312-21kworker/u8:020:53:052
20596991815,2cyclictest26312-21kworker/u8:020:49:042
20596991815,2cyclictest16501-21kworker/u8:119:23:042
20596991815,2cyclictest15431-21kworker/u8:223:08:042
2059699180,17cyclictest0-21swapper/221:50:042
2059599180,16cyclictest0-21swapper/121:23:171
20594991815,2cyclictest6974-21chrt00:28:040
295442171,3sleep029554-21ssh00:18:270
20596991714,2cyclictest15431-21kworker/u8:223:16:012
2059699170,2cyclictest0-21swapper/223:47:042
2059699170,2cyclictest0-21swapper/200:19:042
20594991714,2cyclictest15431-21kworker/u8:223:14:010
2059799161,13cyclictest0-21swapper/323:50:173
20596991613,2cyclictest466-21kworker/u8:120:10:042
20596991613,2cyclictest466-21kworker/u8:119:50:042
20596991613,2cyclictest28929-21kworker/u8:019:33:042
2059699160,15cyclictest0-21swapper/221:39:042
2059699160,14cyclictest0-21swapper/200:36:042
2059599160,14cyclictest10174-21cut21:15:291
2059599160,14cyclictest0-21swapper/121:45:171
20594991613,2cyclictest16534-21kworker/u8:121:58:050
20594991612,2cyclictest11495-21ssh21:50:110
2059499160,14cyclictest0-21swapper/023:55:370
20597991512,2cyclictest29458-21sendmail-mta23:14:023
2059799151,12cyclictest7224-21ssh23:23:273
2059799151,12cyclictest0-21swapper/323:16:253
2059799150,13cyclictest3007-21sensors22:46:043
2059699151,3cyclictest18725-21df_abs20:25:162
20596991512,2cyclictest466-21kworker/u8:120:07:042
20596991512,2cyclictest29254-21kworker/u8:000:20:052
20596991512,2cyclictest26312-21kworker/u8:020:58:042
20596991512,2cyclictest16501-21kworker/u8:119:25:042
20596991512,2cyclictest15885-21kworker/u8:220:19:042
2059699151,13cyclictest4450-21ssh21:10:142
2059699150,2cyclictest0-21swapper/221:45:052
20595991510,4cyclictest0-21swapper/123:25:301
2059599150,2cyclictest0-21swapper/123:55:371
2059599150,14cyclictest0-21swapper/123:31:071
2059599150,13cyclictest3587-21diskmemload23:50:181
2059599150,13cyclictest24843-21munin-node1
2059599150,13cyclictest0-21swapper/122:10:081
2059599150,13cyclictest0-21swapper/100:31:571
2059499152,2cyclictest29612-21ssh22:07:540
20594991512,2cyclictest25436-21kworker/u8:121:32:040
20594991512,2cyclictest19108-21kworker/u8:022:35:040
20594991510,4cyclictest0-21swapper/021:25:330
183282151,2sleep018338-21ssh22:29:420
20597991411,2cyclictest21231-21kworker/u8:123:07:043
20597991411,2cyclictest18968-21kworker/u8:021:27:043
2059799141,11cyclictest22273-21ssh23:38:413
2059799140,13cyclictest0-21swapper/322:54:263
2059799140,12cyclictest6250-21munin-node3
2059799140,12cyclictest27366-21sendmail-mta21:34:143
2059799140,12cyclictest18176-21ssh23:01:163
20596991411,2cyclictest30232-21kworker/u8:221:01:052
20596991411,2cyclictest30232-21kworker/u8:221:01:042
20596991411,2cyclictest29-21rcuc/223:26:042
20596991411,2cyclictest10740-21kworker/u8:020:23:042
2059699141,11cyclictest147042sleep223:30:222
20596991410,2cyclictest0-21swapper/221:05:162
2059699140,3cyclictest26040-21latency_hist22:05:002
2059699140,13cyclictest14424-21ssh00:03:052
20595991411,2cyclictest801-21kworker/u8:222:47:041
20595991411,2cyclictest19108-21kworker/u8:022:32:041
20595991411,2cyclictest0-21swapper/123:23:001
20595991411,2cyclictest0-21swapper/123:15:401
20595991411,2cyclictest0-21swapper/122:50:071
20595991411,2cyclictest0-21swapper/121:55:591
20595991411,2cyclictest0-21swapper/121:53:381
20595991411,2cyclictest0-21swapper/121:42:271
20595991411,2cyclictest0-21swapper/100:12:181
20595991411,2cyclictest0-21swapper/100:12:171
2059599140,2cyclictest0-21swapper/123:00:161
2059599140,2cyclictest0-21swapper/100:23:371
2059599140,2cyclictest0-21swapper/100:01:041
2059599140,1cyclictest3587-21diskmemload21:26:071
2059599140,13cyclictest0-21swapper/121:10:081
2059599140,12cyclictest0-21swapper/123:45:131
2059599140,12cyclictest0-21swapper/123:14:221
2059599140,12cyclictest0-21swapper/100:05:171
2059499149,3cyclictest11173-21aten2.4_r3power00:00:130
20594991411,2cyclictest13686-21kworker/u8:223:41:040
20594991411,2cyclictest0-21swapper/023:53:220
20594991411,2cyclictest0-21swapper/023:35:410
20594991411,2cyclictest0-21swapper/023:26:020
20594991410,3cyclictest27821-21kworker/u8:123:47:040
20594991410,2cyclictest1155-21latency_hist22:45:000
2059499140,2cyclictest0-21swapper/023:09:310
2059499140,2cyclictest0-21swapper/023:00:010
2059499140,2cyclictest0-21swapper/022:52:320
2059499140,13cyclictest0-21swapper/022:24:310
2059499140,13cyclictest0-21swapper/000:12:420
2059499140,13cyclictest0-21swapper/000:12:410
76272130,1sleep0101ktimersoftd/021:13:290
38292130,2sleep30-21swapper/321:10:033
2059799139,3cyclictest18968-21kworker/u8:021:38:043
2059799139,3cyclictest0-21swapper/300:36:073
20597991310,2cyclictest9876-21kworker/u8:022:00:013
20597991310,2cyclictest29254-21kworker/u8:000:23:043
20597991310,2cyclictest25436-21kworker/u8:121:46:023
20597991310,2cyclictest21231-21kworker/u8:123:27:043
20597991310,2cyclictest16534-21kworker/u8:122:27:043
20597991310,2cyclictest0-21swapper/323:33:093
20597991310,2cyclictest0-21swapper/300:14:153
20597991310,2cyclictest0-21swapper/300:14:153
2059799130,12cyclictest0-21swapper/321:50:043
2059799130,12cyclictest0-21swapper/320:00:163
2059799130,12cyclictest0-21swapper/300:30:203
2059799130,11cyclictest0-21swapper/323:45:033
2059799130,11cyclictest0-21swapper/320:26:043
2059699130,2cyclictest0-21swapper/220:43:042
2059699130,2cyclictest0-21swapper/219:42:042
20595991310,2cyclictest18402-21apt-get20:25:131
20595991310,2cyclictest0-21swapper/123:41:391
20595991310,2cyclictest0-21swapper/122:25:491
20595991310,2cyclictest0-21swapper/122:23:191
20595991310,2cyclictest0-21swapper/122:06:101
20595991310,2cyclictest0-21swapper/100:27:081
2059599130,3cyclictest23880-21cut19:15:501
2059599130,2cyclictest0-21swapper/122:18:301
2059599130,2cyclictest0-21swapper/122:01:171
2059599130,2cyclictest0-21swapper/121:35:311
2059599130,2cyclictest0-21swapper/121:00:151
2059599130,2cyclictest0-21swapper/121:00:151
2059599130,2cyclictest0-21swapper/119:45:001
2059599130,12cyclictest0-21swapper/123:09:311
2059599130,12cyclictest0-21swapper/122:44:091
2059599130,12cyclictest0-21swapper/120:40:111
2059599130,12cyclictest0-21swapper/100:15:071
2059599130,11cyclictest0-21swapper/120:15:411
2059599130,11cyclictest0-21swapper/100:35:321
2059499139,2cyclictest22150irq/25-ahci[00000:05:040
2059499131,2cyclictest32446-21ssh23:15:570
20594991310,2cyclictest0-21swapper/023:21:040
20594991310,2cyclictest0-21swapper/022:32:210
20594991310,2cyclictest0-21swapper/021:35:270
20594991310,2cyclictest0-21swapper/021:15:220
20594991310,2cyclictest0-21swapper/020:55:120
20594991310,2cyclictest0-21swapper/019:30:160
2059499130,2cyclictest7989-21ssh22:19:010
2059499130,2cyclictest0-21swapper/022:57:010
2059499130,2cyclictest0-21swapper/022:00:170
2059499130,12cyclictest0-21swapper/023:30:510
2059499130,12cyclictest0-21swapper/021:21:510
2059499130,12cyclictest0-21swapper/000:36:070
2059499130,11cyclictest10740-21kworker/u8:020:36:040
2059499130,11cyclictest0-21swapper/020:26:040
2059499130,11cyclictest0-21swapper/019:37:110
2059799129,2cyclictest0-21swapper/322:34:453
2059799129,2cyclictest0-21swapper/321:43:143
2059799129,2cyclictest0-21swapper/321:18:153
2059799129,2cyclictest0-21swapper/320:55:163
2059799120,2cyclictest0-21swapper/322:15:363
2059799120,2cyclictest0-21swapper/319:55:153
2059699129,2cyclictest0-21swapper/222:21:462
2059699129,2cyclictest0-21swapper/221:21:552
2059699129,2cyclictest0-21swapper/220:30:152
2059699120,2cyclictest0-21swapper/219:15:132
2059699120,11cyclictest3587-21diskmemload22:30:062
2059699120,11cyclictest0-21swapper/219:45:202
2059599129,2cyclictest0-21swapper/123:35:151
2059599129,2cyclictest0-21swapper/120:21:031
2059599120,2cyclictest0-21swapper/119:40:181
2059599120,11cyclictest0-21swapper/120:30:141
2059499129,2cyclictest0-21swapper/022:45:170
2059499129,2cyclictest0-21swapper/019:20:120
2059499128,2cyclictest9314-21ethtool00:30:200
2059499127,4cyclictest22150irq/25-ahci[00021:05:140
2059499120,2cyclictest10037-21ssh21:48:190
2059499120,2cyclictest0-21swapper/022:10:530
2059499120,2cyclictest0-21swapper/021:40:120
2059499120,2cyclictest0-21swapper/020:41:060
2059499120,2cyclictest0-21swapper/020:06:110
2059499120,2cyclictest0-21swapper/019:45:180
2059499120,2cyclictest0-21swapper/000:20:520
2059499120,11cyclictest0-21swapper/020:50:170
2059499120,11cyclictest0-21swapper/020:16:040
2059499120,11cyclictest0-21swapper/019:53:220
2059499120,11cyclictest0-21swapper/019:25:170
2059799118,2cyclictest9018-21kworker/u8:121:22:053
2059799118,2cyclictest16501-21kworker/u8:119:26:053
2059799118,2cyclictest0-21swapper/319:43:553
2059799110,10cyclictest0-21swapper/319:16:013
2059599118,2cyclictest3415-21kworker/u8:219:59:041
2059599118,2cyclictest0-21swapper/119:34:081
2059599110,9cyclictest12319-21munin-node1
2059599110,9cyclictest0-21swapper/120:50:171
2059599110,9cyclictest0-21swapper/120:00:111
2059599110,2cyclictest0-21swapper/120:45:141
2059599110,2cyclictest0-21swapper/119:23:461
2059599110,10cyclictest0-21swapper/121:05:421
2059599110,10cyclictest0-21swapper/120:55:121
2059599110,10cyclictest0-21swapper/119:11:071
2059499118,2cyclictest0-21swapper/019:40:170
2059499110,10cyclictest0-21swapper/020:24:010
2059799107,2cyclictest29681-21kworker/u8:222:10:013
2059799107,2cyclictest0-21swapper/319:33:203
2059799105,3cyclictest30512-21sendmail-mta19:36:053
2059799101,7cyclictest5260-21hwlatdetect19:50:163
2059799100,9cyclictest0-21swapper/320:54:563
2059699107,2cyclictest0-21swapper/219:35:152
2059699100,9cyclictest0-21swapper/220:02:052
2059599107,2cyclictest0-21swapper/119:50:591
2059599100,9cyclictest0-21swapper/119:35:121
2059499107,2cyclictest0-21swapper/020:10:510
2059499106,2cyclictest21293-21cut19:10:140
2059499100,9cyclictest0-21swapper/020:30:170
2059499100,2cyclictest0-21swapper/020:03:560
27220290,2sleep30-21swapper/320:45:553
205979995,3cyclictest4079-1kworker/3:1H20:05:353
205979995,3cyclictest12482-21cpu20:10:143
205979995,2cyclictest1056-21timerwakeupswit21:01:033
205979995,2cyclictest1056-21timerwakeupswit21:01:023
205979994,3cyclictest2849-21rs:main3
205979991,7cyclictest0-21swapper/319:23:423
205959996,2cyclictest0-21swapper/119:25:391
205959990,8cyclictest0-21swapper/120:35:141
205959990,2cyclictest0-21swapper/120:05:121
205949996,2cyclictest22963-21cut19:15:140
20394290,2sleep30-21swapper/320:30:053
205979985,2cyclictest0-21swapper/320:35:063
205979985,2cyclictest0-21swapper/320:20:093
205979983,3cyclictest3014-21cut19:45:153
205979983,3cyclictest24861-21grep20:40:143
205979983,3cyclictest224132sleep319:12:443
205979983,3cyclictest14348-21cut20:15:123
205949985,2cyclictest0-21swapper/021:00:160
205949985,2cyclictest0-21swapper/021:00:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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