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2026-09-19 - 09:52

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 highest latencies:
System rack3slot6s.osadl.org (updated Sat Sep 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1708421380,1sleep317083-21ssh23:21:463
5629211290,16sleep00-21swapper/019:06:250
4690211186,18sleep20-21swapper/219:05:152
5632211087,18sleep30-21swapper/319:06:273
576529484,6sleep10-21swapper/119:08:101
271532700,1sleep30-21swapper/323:32:583
187522700,1sleep2301ktimersoftd/200:33:132
187522700,1sleep2301ktimersoftd/200:33:132
253702690,0sleep30-21swapper/321:12:433
166052680,0sleep30-21swapper/319:35:163
290932270,0sleep30-21swapper/320:05:173
5935992623,2cyclictest30997-21kworker/u8:223:19:052
5933992623,2cyclictest2464-21kworker/u8:122:08:050
5935992522,2cyclictest32385-21kworker/u8:023:43:052
5935992522,2cyclictest24483-21kworker/u8:122:28:052
5935992522,2cyclictest22311-21kworker/u8:121:39:042
5935992522,2cyclictest20286-21kworker/u8:022:52:052
5935992421,2cyclictest24483-21kworker/u8:122:21:042
5935992421,2cyclictest22311-21kworker/u8:121:22:052
5935992421,2cyclictest22311-21kworker/u8:121:22:042
5935992421,2cyclictest17435-21kworker/u8:000:12:052
5935992421,2cyclictest14851-21kworker/u8:123:23:052
5935992421,2cyclictest10498-21kworker/u8:223:50:042
5933992421,2cyclictest30997-21kworker/u8:222:39:040
5933992421,2cyclictest24906-21kworker/u8:121:51:040
5933992421,2cyclictest15550-21kworker/u8:000:39:040
5933992421,2cyclictest11626-21kworker/u8:222:03:040
130862240,0sleep30-21swapper/321:35:003
5935992320,2cyclictest9142-21kworker/u8:022:16:072
5935992320,2cyclictest6216-21kworker/u8:219:12:042
5935992320,2cyclictest17435-21kworker/u8:023:58:022
5935992320,2cyclictest11626-21kworker/u8:221:59:042
5935992320,2cyclictest10958-21kworker/u8:022:43:052
5933992320,2cyclictest2464-21kworker/u8:121:58:020
39212230,1sleep20-21swapper/223:08:352
5935992219,2cyclictest9227-21kworker/u8:023:31:052
5935992219,2cyclictest30997-21kworker/u8:222:59:052
5935992219,2cyclictest3018-21kworker/u8:100:21:052
5935992219,2cyclictest29276-21kworker/u8:200:25:042
5935992219,2cyclictest22311-21kworker/u8:121:32:042
5935992219,2cyclictest1909-21kworker/u8:123:10:012
5935992219,2cyclictest17435-21kworker/u8:000:08:022
593599220,13cyclictest0-21swapper/222:03:042
5935992118,2cyclictest9227-21kworker/u8:023:28:052
5935992118,2cyclictest30997-21kworker/u8:223:02:012
5935992118,2cyclictest27189-21kworker/u8:123:38:042
5935992118,2cyclictest11626-21kworker/u8:221:49:042
5933992118,2cyclictest9142-21kworker/u8:022:31:050
5933992118,2cyclictest30997-21kworker/u8:222:50:040
5933992118,2cyclictest30997-21kworker/u8:222:40:020
5933992118,2cyclictest22311-21kworker/u8:121:28:040
5933992118,2cyclictest17435-21kworker/u8:000:02:050
5935992017,2cyclictest9142-21kworker/u8:022:30:052
5935992017,2cyclictest6216-21kworker/u8:219:29:052
5935992017,2cyclictest29981-21kworker/u8:220:09:052
5935992017,2cyclictest11160-21kworker/u8:221:14:062
593599200,18cyclictest0-21swapper/222:09:052
5933992017,2cyclictest32385-21kworker/u8:023:49:050
5933992017,2cyclictest29276-21kworker/u8:200:24:050
593399200,18cyclictest0-21swapper/023:43:040
5935991916,2cyclictest6216-21kworker/u8:219:31:052
5935991916,2cyclictest30997-21kworker/u8:222:36:042
5935991916,2cyclictest29981-21kworker/u8:220:31:052
5935991916,2cyclictest29981-21kworker/u8:220:12:042
593599190,2cyclictest0-21swapper/223:49:052
593599190,2cyclictest0-21swapper/221:28:052
5933991916,2cyclictest30997-21kworker/u8:222:29:040
5933991916,2cyclictest22311-21kworker/u8:121:23:050
5933991916,2cyclictest22311-21kworker/u8:121:23:040
5935991815,2cyclictest6216-21kworker/u8:219:37:042
5935991815,2cyclictest4118-21kworker/u8:020:39:042
5935991815,2cyclictest27845-21kworker/u8:120:25:042
5935991815,2cyclictest19768-21kworker/u8:019:58:052
593599180,16cyclictest0-21swapper/221:52:052
5933991815,2cyclictest6216-21kworker/u8:219:32:020
5933991815,2cyclictest4826-21kworker/u8:122:45:050
5933991815,2cyclictest21503-21kworker/u8:223:29:040
5933991815,2cyclictest1909-21kworker/u8:123:09:050
5933991815,2cyclictest10498-21kworker/u8:223:56:050
5935991714,2cyclictest3598-21kworker/u8:119:21:042
5935991714,2cyclictest27845-21kworker/u8:120:17:052
5933991714,2cyclictest4118-21kworker/u8:020:26:010
5933991714,2cyclictest29276-21kworker/u8:200:27:050
593399170,2cyclictest0-21swapper/021:39:040
593399170,15cyclictest0-21swapper/022:16:070
593599161,3cyclictest0-21swapper/220:40:132
5935991613,2cyclictest4118-21kworker/u8:020:49:052
5935991613,2cyclictest3598-21kworker/u8:119:47:042
5935991613,2cyclictest27845-21kworker/u8:120:21:052
593599160,2cyclictest0-21swapper/222:45:042
5934991613,2cyclictest207150irq/24-eth122:28:101
593499160,14cyclictest1961-21aten2.4_r3power20:20:121
5933991613,2cyclictest9142-21kworker/u8:022:13:040
5933991613,2cyclictest6216-21kworker/u8:219:28:040
5933991613,2cyclictest5061-21kworker/u8:123:51:040
5933991613,2cyclictest3598-21kworker/u8:119:10:040
5933991613,2cyclictest27845-21kworker/u8:120:24:050
593399160,2cyclictest0-21swapper/023:23:050
593399160,2cyclictest0-21swapper/000:12:050
593399160,14cyclictest0-21swapper/023:02:010
593699151,3cyclictest0-21swapper/300:24:233
5936991512,2cyclictest0-21swapper/323:06:403
593699150,14cyclictest0-21swapper/321:44:303
593699150,13cyclictest0-21swapper/300:26:373
593699150,13cyclictest0-21swapper/300:10:103
5935991512,2cyclictest27845-21kworker/u8:120:03:042
5934991512,2cyclictest207150irq/24-eth123:02:411
5934991512,2cyclictest0-21swapper/122:46:311
5934991511,2cyclictest7671-21sendmail-mta22:06:271
5934991511,2cyclictest20793-21ssh22:16:561
593499151,12cyclictest1012-21python20:16:001
5934991511,2cyclictest0-21swapper/121:40:001
593499150,14cyclictest0-21swapper/121:25:021
593499150,14cyclictest0-21swapper/100:36:011
593499150,13cyclictest0-21swapper/100:24:021
593499150,12cyclictest0-21swapper/123:46:131
5933991512,2cyclictest6216-21kworker/u8:219:23:050
5933991512,2cyclictest19768-21kworker/u8:020:08:020
5933991512,2cyclictest17435-21kworker/u8:000:07:040
5933991512,2cyclictest11160-21kworker/u8:220:43:040
593399150,13cyclictest0-21swapper/021:49:040
5936991411,2cyclictest0-21swapper/319:55:103
5936991410,3cyclictest0-21swapper/322:46:583
593699140,2cyclictest5603-21ssh23:44:593
593699140,2cyclictest0-21swapper/322:43:023
593699140,2cyclictest0-21swapper/321:24:403
593699140,2cyclictest0-21swapper/321:24:393
593699140,2cyclictest0-21swapper/319:25:123
593699140,13cyclictest21994-21diskmemload21:16:503
593699140,13cyclictest0-21swapper/322:20:093
593699140,13cyclictest0-21swapper/322:05:103
593699140,13cyclictest0-21swapper/321:52:403
593699140,12cyclictest0-21swapper/323:55:413
5935991411,2cyclictest21994-21diskmemload00:01:012
593599140,2cyclictest21994-21diskmemload00:35:472
593599140,13cyclictest0-21swapper/221:42:082
593599140,13cyclictest0-21swapper/219:50:282
593599140,13cyclictest0-21swapper/200:16:372
593599140,12cyclictest0-21swapper/222:10:132
5934991411,2cyclictest0-21swapper/123:36:041
5934991411,2cyclictest0-21swapper/122:31:321
5934991411,2cyclictest0-21swapper/121:44:021
5934991410,2cyclictest25228-21fschecks_count00:05:141
593499140,3cyclictest16999-21sendmail-mta22:14:541
593499140,2cyclictest0-21swapper/123:58:321
593499140,2cyclictest0-21swapper/123:21:321
593499140,2cyclictest0-21swapper/121:47:111
593499140,2cyclictest0-21swapper/121:11:221
593499140,2cyclictest0-21swapper/100:17:011
593499140,13cyclictest0-21swapper/123:25:411
593499140,13cyclictest0-21swapper/123:14:011
593499140,13cyclictest0-21swapper/122:57:521
593499140,13cyclictest0-21swapper/121:31:221
593499140,13cyclictest0-21swapper/119:20:111
593499140,12cyclictest28702-21munin-node1
593499140,12cyclictest11245-21ssh22:41:071
593499140,12cyclictest0-21swapper/121:15:281
593499140,12cyclictest0-21swapper/119:40:181
593499140,12cyclictest0-21swapper/119:15:141
5933991411,2cyclictest27189-21kworker/u8:123:35:050
593399140,12cyclictest24066-21perl22:55:140
593399140,12cyclictest0-21swapper/023:11:010
593399140,12cyclictest0-21swapper/021:14:060
593399140,12cyclictest0-21swapper/000:16:100
312822140,1sleep20-21swapper/221:20:002
174482140,2sleep30-21swapper/322:14:093
593699139,2cyclictest0-21swapper/321:45:113
5936991310,2cyclictest0-21swapper/323:10:343
5936991310,2cyclictest0-21swapper/321:05:043
5936991310,2cyclictest0-21swapper/319:21:003
5936991310,2cyclictest0-21swapper/319:15:203
5936991310,2cyclictest0-21swapper/319:10:173
5936991310,2cyclictest0-21swapper/300:30:013
5936991310,2cyclictest0-21swapper/300:30:003
593699130,2cyclictest13395-21ssh23:52:173
593699130,2cyclictest0-21swapper/323:15:223
593699130,2cyclictest0-21swapper/323:01:283
593699130,2cyclictest0-21swapper/322:57:133
593699130,2cyclictest0-21swapper/321:55:023
593699130,2cyclictest0-21swapper/319:40:123
593699130,2cyclictest0-21swapper/300:35:573
593699130,2cyclictest0-21swapper/300:02:243
593699130,12cyclictest5917-21ssh23:45:083
593699130,12cyclictest2597-21ssh00:15:233
593699130,12cyclictest0-21swapper/323:39:273
593699130,12cyclictest0-21swapper/323:25:493
593699130,12cyclictest0-21swapper/322:50:283
593699130,12cyclictest0-21swapper/322:35:313
593699130,12cyclictest0-21swapper/322:31:293
593699130,12cyclictest0-21swapper/322:15:343
593699130,12cyclictest0-21swapper/322:00:133
593699130,12cyclictest0-21swapper/321:35:503
593699130,12cyclictest0-21swapper/320:45:403
593699130,12cyclictest0-21swapper/320:10:113
593699130,12cyclictest0-21swapper/319:45:153
593699130,12cyclictest0-21swapper/300:05:133
593699130,11cyclictest0-21swapper/322:25:163
593599130,12cyclictest0-21swapper/221:05:152
593599130,12cyclictest0-21swapper/220:50:112
593599130,12cyclictest0-21swapper/219:15:162
593499139,3cyclictest0-21swapper/121:20:131
593499139,3cyclictest0-21swapper/121:20:121
5934991310,2cyclictest0-21swapper/123:51:551
5934991310,2cyclictest0-21swapper/123:15:021
5934991310,2cyclictest0-21swapper/122:20:121
5934991310,2cyclictest0-21swapper/122:00:351
5934991310,2cyclictest0-21swapper/121:05:121
5934991310,2cyclictest0-21swapper/100:25:231
5934991310,2cyclictest0-21swapper/100:14:141
5934991310,2cyclictest0-21swapper/100:01:011
593499130,3cyclictest7731-21sendmail-mta20:34:171
593499130,2cyclictest0-21swapper/122:51:321
593499130,2cyclictest0-21swapper/122:39:341
593499130,2cyclictest0-21swapper/120:50:181
593499130,12cyclictest0-21swapper/123:43:451
593499130,12cyclictest0-21swapper/123:33:361
593499130,12cyclictest0-21swapper/100:30:561
593499130,12cyclictest0-21swapper/100:30:551
593499130,11cyclictest0-21swapper/121:56:191
593499130,11cyclictest0-21swapper/120:25:271
5933991310,2cyclictest6216-21kworker/u8:219:38:010
5933991310,2cyclictest4118-21kworker/u8:021:01:050
5933991310,2cyclictest4118-21kworker/u8:020:30:050
5933991310,2cyclictest22286-21kworker/u8:219:56:050
5933991310,2cyclictest21994-21diskmemload21:15:400
5933991310,2cyclictest0-21swapper/022:23:210
5933991310,2cyclictest0-21swapper/021:44:310
5933991310,2cyclictest0-21swapper/020:46:020
593399130,2cyclictest0-21swapper/000:32:210
593399130,2cyclictest0-21swapper/000:32:200
593399130,12cyclictest0-21swapper/023:30:120
593399130,12cyclictest0-21swapper/023:15:310
28902130,2sleep10-21swapper/123:06:591
593699129,2cyclictest0-21swapper/320:21:023
593699120,2cyclictest0-21swapper/321:25:253
593599120,11cyclictest0-21swapper/219:40:132
593499129,2cyclictest0-21swapper/119:26:441
593499120,2cyclictest0-21swapper/120:35:291
593499120,11cyclictest0-21swapper/120:10:161
593499120,10cyclictest0-21swapper/119:50:121
593399129,2cyclictest6216-21kworker/u8:219:15:050
593399129,2cyclictest3598-21kworker/u8:119:46:050
593399129,2cyclictest0-21swapper/020:15:110
593399120,2cyclictest0-21swapper/021:30:050
593399120,2cyclictest0-21swapper/020:55:150
593399120,2cyclictest0-21swapper/020:35:190
593399120,2cyclictest0-21swapper/020:10:180
593399120,11cyclictest0-21swapper/020:50:170
593699118,2cyclictest0-21swapper/321:04:003
593699118,2cyclictest0-21swapper/320:56:063
593699118,2cyclictest0-21swapper/320:50:183
593699118,2cyclictest0-21swapper/320:40:143
593699118,2cyclictest0-21swapper/320:25:123
593699118,2cyclictest0-21swapper/320:15:593
593699118,2cyclictest0-21swapper/319:30:593
593699110,2cyclictest0-21swapper/320:35:493
593699110,10cyclictest0-21swapper/320:03:413
593599110,2cyclictest0-21swapper/221:01:042
593499118,2cyclictest0-21swapper/119:36:111
593499110,9cyclictest19406-21cat21:01:011
593499110,9cyclictest0-21swapper/120:40:111
593499110,1cyclictest0-21swapper/119:45:131
593399118,2cyclictest0-21swapper/021:05:130
593699106,3cyclictest22286-21kworker/u8:219:50:113
593699100,2cyclictest0-21swapper/320:33:523
593599100,9cyclictest0-21swapper/220:55:092
593499107,2cyclictest0-21swapper/120:45:141
593499107,2cyclictest0-21swapper/119:55:441
593499101,2cyclictest0-21swapper/119:10:131
593499100,3cyclictest14198-21munin-node1
593499100,3cyclictest0-21swapper/120:05:141
234062100,2sleep00-21swapper/019:50:590
59349996,2cyclictest27549-21timerandwakeup20:01:011
59349990,8cyclictest0-21swapper/120:55:141
59339990,2cyclictest0-21swapper/019:41:020
59339980,7cyclictest0-21swapper/020:04:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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