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2026-08-04 - 08:43

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 all highest latencies:
System rack3slot6s.osadl.org (updated Tue Aug 04, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2623421330,1sleep30-21swapper/322:15:143
13586211695,15sleep00-21swapper/019:05:500
139382113101,6sleep10-21swapper/119:06:031
14234210997,6sleep20-21swapper/219:09:002
14113210890,13sleep30-21swapper/319:07:253
275342870,0sleep00-21swapper/023:55:190
285942800,1sleep10-21swapper/122:50:181
87362780,0sleep20-21swapper/221:56:412
306012780,1sleep2301ktimersoftd/219:50:182
306012780,1sleep2301ktimersoftd/219:50:172
102582720,0sleep10-21swapper/100:10:521
49772690,0sleep00-21swapper/021:19:390
263032680,0sleep10-21swapper/123:21:011
243592670,1sleep1221ktimersoftd/123:52:121
1434099223,17cyclictest0-21swapper/222:58:062
1433899220,20cyclictest0-21swapper/000:00:120
1433999210,19cyclictest0-21swapper/119:45:271
1433999210,19cyclictest0-21swapper/119:45:271
1433899200,2cyclictest0-21swapper/023:20:120
1433899200,2cyclictest0-21swapper/022:20:100
1433899190,18cyclictest0-21swapper/019:10:110
117232190,1sleep10-21swapper/121:25:371
14340991815,2cyclictest24408-21kworker/u8:122:54:042
14340991815,2cyclictest24408-21kworker/u8:122:19:052
14340991815,2cyclictest19061-21kworker/u8:222:10:052
1433899180,16cyclictest0-21swapper/000:20:130
1433899180,13cyclictest0-21swapper/023:13:050
14340991714,2cyclictest27995-21kworker/u8:121:12:052
14340991714,2cyclictest20316-21kworker/u8:121:39:032
14340991712,3cyclictest3649-21snmpd20:35:102
1434199161,13cyclictest18213-21sendmail-mta23:13:043
14341991611,3cyclictest0-21swapper/322:50:153
14341991611,3cyclictest0-21swapper/322:00:303
1434099162,2cyclictest0-21swapper/221:25:042
14340991613,2cyclictest32723-21kworker/u8:122:06:052
14340991613,2cyclictest27349-21kworker/u8:221:47:052
14340991613,2cyclictest21808-21kworker/u8:000:25:052
1434099161,13cyclictest0-21swapper/222:42:012
14340991611,3cyclictest0-21swapper/200:31:402
1434099161,13cyclictest0-21swapper/200:05:192
1434099160,15cyclictest0-21swapper/223:08:052
1434099160,15cyclictest0-21swapper/222:25:042
1433899160,14cyclictest0-21swapper/000:06:040
307482150,3sleep00-21swapper/021:45:260
1434199159,4cyclictest16531-21ssh22:38:183
14341991510,3cyclictest0-21swapper/321:25:153
1434199150,13cyclictest0-21swapper/323:30:123
1434199150,12cyclictest0-21swapper/322:28:493
14340991512,2cyclictest7222-21kworker/u8:200:22:052
14340991512,2cyclictest21951-21kworker/u8:219:36:052
14340991512,2cyclictest14193-21kworker/u8:223:42:042
14340991512,2cyclictest13869-21kworker/u8:022:02:042
14340991511,3cyclictest5718-21grep20:10:122
14340991511,2cyclictest0-21swapper/220:25:072
14339991511,2cyclictest8500-21munin-run00:10:001
1433999151,12cyclictest22080-21munin-run19:30:001
14339991511,2cyclictest18283-21cat00:20:001
14339991510,3cyclictest25072-21grep21:00:151
1433999150,2cyclictest0-21swapper/123:34:051
1433999150,13cyclictest0-21swapper/120:30:141
14338991512,2cyclictest0-21swapper/021:44:520
1433899150,13cyclictest0-21swapper/000:10:120
1434199149,3cyclictest0-21swapper/300:16:293
1434199141,3cyclictest27732-21diskmemload22:49:273
14341991411,2cyclictest8094-21ssh23:02:283
14341991411,2cyclictest20996-21ssh22:10:113
14341991410,2cyclictest0-21swapper/321:10:393
14341991410,2cyclictest0-21swapper/300:31:073
1434199140,2cyclictest0-21swapper/323:50:153
1434199140,2cyclictest0-21swapper/319:50:143
1434199140,2cyclictest0-21swapper/319:50:143
1434199140,12cyclictest0-21swapper/321:40:203
14340991411,2cyclictest8225-21kworker/u8:221:30:052
14340991411,2cyclictest706-21kworker/u8:023:39:052
14340991411,2cyclictest5873-21kworker/u8:123:47:052
14340991411,2cyclictest32723-21kworker/u8:121:51:052
14340991411,2cyclictest29771-21kworker/u8:119:58:042
14340991411,2cyclictest24092-21kworker/u8:020:19:052
14340991411,2cyclictest20716-21kworker/u8:000:00:052
14340991411,2cyclictest20316-21kworker/u8:121:40:062
14340991411,2cyclictest14193-21kworker/u8:223:51:042
14340991411,2cyclictest11908-21ssh00:12:472
14340991411,2cyclictest0-21swapper/223:33:172
1434099140,2cyclictest0-21swapper/222:48:572
1434099140,2cyclictest0-21swapper/221:20:062
1434099140,12cyclictest1053-21sed00:35:132
1434099140,12cyclictest0-21swapper/223:22:382
1434099140,12cyclictest0-21swapper/221:15:062
1433999140,2cyclictest0-21swapper/121:38:331
1433999140,12cyclictest17787-21ssh23:12:251
1433999140,12cyclictest16771-21pzem_voltage21:30:511
1433999140,12cyclictest0-21swapper/123:39:241
1433999140,12cyclictest0-21swapper/100:29:561
14338991411,2cyclictest16013-21ssh00:16:420
14338991411,2cyclictest0-21swapper/023:16:520
14338991411,2cyclictest0-21swapper/023:03:020
14338991411,2cyclictest0-21swapper/022:54:320
14338991410,2cyclictest19055-21fschecks_time20:45:150
14338991410,2cyclictest0-21swapper/019:25:150
1433899140,2cyclictest27732-21diskmemload22:38:320
1433899140,12cyclictest844-21awk22:55:150
32342130,2sleep30-21swapper/322:57:433
317062130,2sleep30-21swapper/323:26:203
240272130,3sleep024030-21ssh22:45:300
1434199138,3cyclictest18044-21head22:40:123
1434199138,3cyclictest15933-21ssh21:30:153
1434199138,3cyclictest0-21swapper/321:20:153
1434199133,7cyclictest0-21swapper/321:01:003
1434199132,6cyclictest0-21swapper/320:15:013
14341991310,2cyclictest0-21swapper/323:15:323
14341991310,2cyclictest0-21swapper/321:50:173
14341991310,2cyclictest0-21swapper/300:00:423
1434199130,2cyclictest0-21swapper/323:21:013
1434199130,2cyclictest0-21swapper/321:55:153
1434199130,2cyclictest0-21swapper/300:26:073
1434199130,12cyclictest0-21swapper/322:08:503
1434199130,12cyclictest0-21swapper/300:21:593
1434199130,11cyclictest0-21swapper/323:05:203
1434199130,11cyclictest0-21swapper/300:39:513
1434199130,11cyclictest0-21swapper/300:05:513
14340991310,2cyclictest20357-21kworker/u8:221:02:042
14340991310,2cyclictest16210-21kworker/u8:019:17:042
14340991310,2cyclictest0-21swapper/223:03:002
14340991310,2cyclictest0-21swapper/220:20:132
14340991310,2cyclictest0-21swapper/220:00:182
1434099130,2cyclictest27899-21wc21:10:002
1433999139,2cyclictest30062-21diskstats21:45:161
14339991310,2cyclictest27732-21diskmemload22:00:051
14339991310,2cyclictest27732-21diskmemload21:10:151
14339991310,2cyclictest0-21swapper/123:59:351
14339991310,2cyclictest0-21swapper/123:40:581
14339991310,2cyclictest0-21swapper/123:15:571
14339991310,2cyclictest0-21swapper/122:55:261
14339991310,2cyclictest0-21swapper/122:39:451
14339991310,2cyclictest0-21swapper/122:31:411
14339991310,2cyclictest0-21swapper/122:20:051
14339991310,2cyclictest0-21swapper/121:42:051
14339991310,2cyclictest0-21swapper/120:55:141
1433999130,2cyclictest0-21swapper/123:00:201
1433999130,2cyclictest0-21swapper/122:27:241
1433999130,2cyclictest0-21swapper/121:52:111
1433999130,2cyclictest0-21swapper/120:50:191
1433999130,12cyclictest27732-21diskmemload00:20:181
1433999130,12cyclictest0-21swapper/123:45:181
1433999130,12cyclictest0-21swapper/122:45:181
1433999130,12cyclictest0-21swapper/122:40:141
1433999130,12cyclictest0-21swapper/100:35:261
14338991310,2cyclictest0-21swapper/023:37:020
14338991310,2cyclictest0-21swapper/022:08:420
14338991310,2cyclictest0-21swapper/021:32:520
14338991310,2cyclictest0-21swapper/020:26:020
14338991310,2cyclictest0-21swapper/020:10:100
1433899130,2cyclictest0-21swapper/023:41:510
1433899130,12cyclictest0-21swapper/021:23:310
41282121,8sleep00-21swapper/020:06:000
1434199129,2cyclictest0-21swapper/323:55:183
1434199129,2cyclictest0-21swapper/323:40:103
1434199129,2cyclictest0-21swapper/322:32:003
1434199129,2cyclictest0-21swapper/320:41:033
1434199127,3cyclictest19369-21memory19:20:183
1434199120,2cyclictest8458-21ssh23:35:523
1434199120,2cyclictest0-21swapper/321:17:133
1434199120,2cyclictest0-21swapper/320:30:163
1434199120,11cyclictest0-21swapper/323:46:103
1434199120,11cyclictest0-21swapper/322:21:483
1434199120,11cyclictest0-21swapper/321:45:513
1434199120,11cyclictest0-21swapper/321:35:413
1434199120,11cyclictest0-21swapper/319:30:173
1434199120,11cyclictest0-21swapper/300:12:113
1434099129,2cyclictest0-21swapper/220:43:002
1434099127,3cyclictest0-21swapper/223:26:322
1434099120,2cyclictest0-21swapper/222:33:232
1434099120,2cyclictest0-21swapper/219:48:012
1434099120,2cyclictest0-21swapper/219:48:012
1434099120,11cyclictest0-21swapper/223:15:042
1434099120,11cyclictest0-21swapper/223:10:132
1434099120,11cyclictest0-21swapper/222:38:182
1434099120,11cyclictest0-21swapper/222:21:032
1434099120,11cyclictest0-21swapper/200:17:072
1433999129,2cyclictest14464-21ssh23:09:461
1433999129,2cyclictest0-21swapper/122:15:441
1433999129,2cyclictest0-21swapper/122:13:551
1433999129,2cyclictest0-21swapper/121:55:321
1433999129,2cyclictest0-21swapper/121:23:081
1433999129,2cyclictest0-21swapper/121:15:201
1433999129,2cyclictest0-21swapper/119:56:041
1433999129,2cyclictest0-21swapper/119:50:031
1433999129,2cyclictest0-21swapper/119:50:021
1433999129,2cyclictest0-21swapper/119:36:031
1433999129,2cyclictest0-21swapper/100:30:321
1433999122,7cyclictest0-21swapper/120:24:021
1433999120,2cyclictest0-21swapper/119:30:121
1433999120,2cyclictest0-21swapper/119:21:031
1433999120,11cyclictest0-21swapper/123:25:061
1433999120,11cyclictest0-21swapper/120:43:161
1433999120,11cyclictest0-21swapper/119:11:041
1433999120,11cyclictest0-21swapper/100:00:031
1433899129,2cyclictest27732-21diskmemload22:02:510
1433899129,2cyclictest0-21swapper/023:53:120
1433899129,2cyclictest0-21swapper/023:26:570
1433899129,2cyclictest0-21swapper/021:10:160
1433899129,2cyclictest0-21swapper/020:56:040
1433899120,2cyclictest0-21swapper/023:48:020
1433899120,2cyclictest0-21swapper/022:40:530
1433899120,2cyclictest0-21swapper/022:33:020
1433899120,2cyclictest0-21swapper/021:50:130
1433899120,2cyclictest0-21swapper/021:05:140
1433899120,2cyclictest0-21swapper/021:00:590
1433899120,11cyclictest0-21swapper/023:07:310
1433899120,11cyclictest0-21swapper/022:16:110
1433899120,11cyclictest0-21swapper/021:58:120
1433899120,11cyclictest0-21swapper/021:25:170
1433899120,11cyclictest0-21swapper/000:30:120
1433899120,10cyclictest0-21swapper/021:37:190
294152110,2sleep029465-21copy19:50:010
294152110,2sleep029465-21copy19:50:010
278242110,2sleep227732-21diskmemload23:55:382
183022110,2sleep30-21swapper/320:45:003
1434199118,2cyclictest0-21swapper/320:35:193
1434199112,6cyclictest0-21swapper/321:08:593
1434199112,6cyclictest0-21swapper/320:56:023
1434199112,5cyclictest0-21swapper/319:20:003
1434199111,6cyclictest0-21swapper/320:00:123
1434199111,4cyclictest0-21swapper/320:00:003
1434199110,10cyclictest0-21swapper/319:43:383
1434099110,9cyclictest0-21swapper/219:10:112
1434099110,7cyclictest0-21swapper/220:53:042
1433999118,2cyclictest0-21swapper/120:00:201
1433999117,2cyclictest0-21swapper/120:25:151
1433999112,6cyclictest0-21swapper/120:47:591
1433999111,8cyclictest16563-21munin-node1
1433999111,8cyclictest16285-21aten2.4-expect22:05:151
1433899118,2cyclictest1459-21ssh00:35:160
1433899118,2cyclictest0-21swapper/023:31:210
1433899118,2cyclictest0-21swapper/019:15:190
1433899110,2cyclictest0-21swapper/022:25:320
1433899110,2cyclictest0-21swapper/000:26:010
1433899110,10cyclictest0-21swapper/022:11:170
1434199107,2cyclictest0-21swapper/320:53:043
1434199105,3cyclictest3535-21gdbus20:25:053
1434199100,9cyclictest0-21swapper/319:46:493
1434199100,9cyclictest0-21swapper/319:46:493
1434199100,9cyclictest0-21swapper/319:25:143
1434099107,2cyclictest19658-21kworker/u8:119:26:042
1434099105,3cyclictest22681-21fschecks_count20:55:152
1434099105,3cyclictest0-21swapper/220:05:062
1434099101,7cyclictest0-21swapper/219:31:582
1434099100,2cyclictest0-21swapper/219:24:042
1433999107,2cyclictest26258-21apt-get21:05:121
1433999102,5cyclictest0-21swapper/120:05:051
1433999100,8cyclictest7171-21munin-node1
1433999100,8cyclictest0-21swapper/120:35:101
1433999100,2cyclictest0-21swapper/120:10:591
1433899107,2cyclictest0-21swapper/020:20:190
1433899107,2cyclictest0-21swapper/019:55:120
1433899100,9cyclictest29771-21kworker/u8:120:00:030
1433899100,9cyclictest19658-21kworker/u8:119:32:040
1433899100,9cyclictest0-21swapper/020:51:020
1433899100,8cyclictest0-21swapper/020:20:010
143419994,3cyclictest14663-21aten2.4_r3power19:10:123
143419994,3cyclictest0-21swapper/320:05:143
143419993,4cyclictest9835-21grep20:20:183
143419992,6cyclictest0-21swapper/320:16:593
143419992,5cyclictest0-21swapper/319:40:003
143409994,3cyclictest3728-21runrttasks19:43:072
143409994,3cyclictest13643-21if_eth020:30:152
143409990,8cyclictest0-21swapper/220:49:582
143399990,2cyclictest0-21swapper/119:40:171
143389996,2cyclictest0-21swapper/020:35:140
143389994,4cyclictest0-21swapper/019:40:040
143389994,3cyclictest27956-21tr19:45:280
143389994,3cyclictest27956-21tr19:45:270
143389994,3cyclictest13097-21aten2.4_r3power20:30:120
143389993,2cyclictest0-21swapper/019:21:030
143389985,2cyclictest0-21swapper/020:44:110
143389985,2cyclictest0-21swapper/019:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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