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2026-08-11 - 01:49

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 highest latencies:
System rack3slot6s.osadl.org (updated Tue Aug 11, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17068211488,20sleep00-21swapper/019:06:200
17124211295,12sleep20-21swapper/219:07:022
17320211094,11sleep30-21swapper/319:09:353
17143210988,15sleep10-21swapper/119:07:171
88292710,0sleep10-21swapper/123:27:411
243342650,0sleep00-21swapper/022:38:260
18772570,0sleep00-21swapper/021:43:260
40562560,1sleep00-21swapper/023:23:030
103812550,1sleep00-21swapper/000:01:230
17381993717,18cyclictest0-21swapper/022:15:120
33002270,1sleep10-21swapper/121:45:121
17383992516,8cyclictest0-21swapper/222:15:122
1738299250,23cyclictest0-21swapper/100:20:021
1738499230,22cyclictest0-21swapper/300:20:043
1738199232,5cyclictest0-21swapper/020:55:000
17382992219,2cyclictest14640-21kworker/u8:123:39:041
1738299221,3cyclictest10875-21ssh22:25:121
1738199220,2cyclictest0-21swapper/022:00:120
1738399211,2cyclictest18334-21ssh22:00:122
1738399211,19cyclictest0-21swapper/220:50:122
17381992110,2cyclictest0-21swapper/020:30:140
1738199210,2cyclictest0-21swapper/022:54:140
1738499200,2cyclictest0-21swapper/322:25:123
1738499200,2cyclictest0-21swapper/319:15:133
1738499200,18cyclictest0-21swapper/322:45:143
1738299200,2cyclictest0-21swapper/119:15:131
1738199200,18cyclictest0-21swapper/023:46:280
1738199200,11cyclictest0-21swapper/023:09:190
1738199200,11cyclictest0-21swapper/022:41:090
73922190,1sleep20-21swapper/221:49:022
17383991916,2cyclictest8878-21kworker/u8:121:18:052
17382991916,2cyclictest14640-21kworker/u8:123:48:041
17382991916,2cyclictest11741-21kworker/u8:023:06:011
1738199198,3cyclictest0-21swapper/022:30:110
1738199190,2cyclictest596-21diskmemload00:33:100
1738199190,2cyclictest0-21swapper/021:16:580
1738199190,2cyclictest0-21swapper/021:12:390
1738199190,18cyclictest0-21swapper/023:33:380
1738199190,11cyclictest0-21swapper/021:23:150
1738199190,11cyclictest0-21swapper/000:19:490
1738199190,10cyclictest0-21swapper/023:01:150
17384991815,2cyclictest0-21swapper/320:10:113
17383991815,2cyclictest30873-21kworker/u8:122:29:042
17383991815,2cyclictest17125-21kworker/u8:123:22:012
1738399180,2cyclictest6032-21ssh22:52:042
1738299180,11cyclictest0-21swapper/123:20:041
1738199182,7cyclictest0-21swapper/019:44:020
1738199181,7cyclictest0-21swapper/019:39:580
1738199181,6cyclictest596-21diskmemload21:30:200
1738199181,6cyclictest0-21swapper/023:55:510
17381991810,2cyclictest0-21swapper/023:42:270
17381991810,2cyclictest0-21swapper/000:23:210
1738199180,2cyclictest0-21swapper/021:56:110
1738199180,12cyclictest0-21swapper/022:48:380
1738199180,11cyclictest596-21diskmemload00:12:350
1738199180,11cyclictest0-21swapper/022:13:320
1738199180,10cyclictest0-21swapper/023:13:580
17383991714,2cyclictest32560-21kworker/u8:023:53:042
17383991714,2cyclictest20909-21kworker/u8:122:49:042
17383991713,2cyclictest13171-21ssh00:05:162
17383991713,2cyclictest0-21swapper/223:45:132
17383991712,3cyclictest0-21swapper/221:00:162
1738199179,2cyclictest0-21swapper/021:26:150
1738199179,2cyclictest0-21swapper/000:07:210
1738199178,2cyclictest0-21swapper/000:36:130
1738199172,6cyclictest0-21swapper/020:22:590
17381991711,5cyclictest0-21swapper/020:55:280
1738199170,8cyclictest0-21swapper/020:00:190
1738199170,2cyclictest0-21swapper/023:51:140
1738199170,2cyclictest0-21swapper/023:25:340
1738199170,2cyclictest0-21swapper/023:15:300
1738199170,11cyclictest0-21swapper/022:21:510
1738199170,11cyclictest0-21swapper/020:05:200
1738199170,10cyclictest0-21swapper/022:56:250
1738199170,10cyclictest0-21swapper/022:56:250
17383991613,2cyclictest30873-21kworker/u8:122:08:052
1738399161,13cyclictest28191-21ssh23:15:142
1738299161,3cyclictest0-21swapper/122:20:141
17382991613,2cyclictest826-21kworker/u8:023:32:041
17382991613,2cyclictest26659-21kworker/u8:000:19:031
17382991613,2cyclictest14699-21kworker/u8:100:13:041
1738299160,2cyclictest0-21swapper/100:05:041
1738199160,6cyclictest0-21swapper/020:50:000
1738199160,6cyclictest0-21swapper/020:35:090
17384991510,3cyclictest0-21swapper/300:15:153
1738499150,3cyclictest0-21swapper/323:30:143
17383991512,2cyclictest5693-21kworker/u8:200:32:012
17383991512,2cyclictest16042-21kworker/u8:221:37:042
17383991512,2cyclictest14640-21kworker/u8:123:40:042
17383991512,2cyclictest12387-21kworker/u8:221:58:042
1738399150,2cyclictest0-21swapper/221:32:052
1738399150,13cyclictest0-21swapper/222:30:162
1738299151,3cyclictest0-21swapper/121:28:131
17382991512,2cyclictest22844-21kworker/u8:223:19:041
17382991512,2cyclictest20909-21kworker/u8:122:55:041
17382991512,2cyclictest20909-21kworker/u8:122:55:041
17382991512,2cyclictest20909-21kworker/u8:122:48:041
17382991512,2cyclictest20909-21kworker/u8:122:37:041
1738299150,2cyclictest0-21swapper/100:35:591
1738299150,1cyclictest0-21swapper/122:52:041
1738199152,5cyclictest0-21swapper/020:15:010
1738199150,13cyclictest27019-21ssh22:08:410
96992140,0sleep30-21swapper/300:34:133
205392140,3sleep30-21swapper/321:29:563
1738499149,3cyclictest11138-21aten2.4_r3power21:20:143
17383991411,2cyclictest5796-21kworker/u8:223:01:042
17383991411,2cyclictest13154-21kworker/u8:119:23:042
17383991410,2cyclictest18002-21ssh00:10:052
1738399140,9cyclictest0-21swapper/221:20:042
1738399140,2cyclictest0-21swapper/223:35:042
1738399140,13cyclictest0-21swapper/221:27:362
1738299149,3cyclictest954-21munin-node1
17382991411,2cyclictest5693-21kworker/u8:200:33:041
17382991411,2cyclictest0-21swapper/123:43:171
17382991411,2cyclictest0-21swapper/123:01:371
17382991410,2cyclictest0-21swapper/121:55:041
1738299140,2cyclictest0-21swapper/121:32:051
1738299140,13cyclictest0-21swapper/122:14:171
1738299140,12cyclictest4501-21ssh22:18:271
1738299140,12cyclictest13571-21fschecks_count20:20:141
1738299140,12cyclictest0-21swapper/122:30:391
1738299140,12cyclictest0-21swapper/122:04:211
1738299140,12cyclictest0-21swapper/121:43:041
1738299140,12cyclictest0-21swapper/100:25:141
1738199149,3cyclictest0-21swapper/022:25:090
1738199149,3cyclictest0-21swapper/019:15:000
1738199140,2cyclictest5913-21ssh21:46:480
1738199140,12cyclictest2671-21copy19:55:010
1738199140,12cyclictest0-21swapper/021:51:250
1738499139,2cyclictest0-21swapper/323:26:033
1738499132,6cyclictest0-21swapper/323:10:013
17384991310,2cyclictest0-21swapper/323:44:383
17384991310,2cyclictest0-21swapper/322:34:183
17384991310,2cyclictest0-21swapper/322:20:583
17384991310,2cyclictest0-21swapper/321:42:273
17384991310,2cyclictest0-21swapper/321:10:573
17384991310,2cyclictest0-21swapper/319:35:113
1738499130,2cyclictest0-21swapper/320:45:183
1738499130,2cyclictest0-21swapper/300:09:283
1738499130,12cyclictest0-21swapper/322:41:023
1738499130,11cyclictest0-21swapper/322:02:283
1738399131,10cyclictest20701-21ssh23:06:442
17383991310,2cyclictest6043-21kworker/u8:021:51:042
17383991310,2cyclictest23301-21kworker/u8:219:40:042
17383991310,2cyclictest17125-21kworker/u8:123:25:032
17383991310,2cyclictest14699-21kworker/u8:100:15:042
17383991310,2cyclictest13154-21kworker/u8:119:25:042
17383991310,2cyclictest13154-21kworker/u8:119:12:042
1738399130,3cyclictest6281-21switchtime20:01:022
1738399130,2cyclictest0-21swapper/222:43:462
1738399130,12cyclictest596-21diskmemload21:10:562
1738399130,12cyclictest0-21swapper/222:23:162
1738399130,12cyclictest0-21swapper/221:44:562
1738399130,12cyclictest0-21swapper/220:10:162
1738399130,12cyclictest0-21swapper/200:37:062
1738299132,6cyclictest0-21swapper/121:10:001
1738299132,6cyclictest0-21swapper/119:25:001
1738299131,7cyclictest0-21swapper/120:05:001
1738299131,3cyclictest0-21swapper/121:35:121
17382991310,2cyclictest22844-21kworker/u8:223:11:041
17382991310,2cyclictest0-21swapper/122:43:121
17382991310,2cyclictest0-21swapper/122:08:031
17382991310,2cyclictest0-21swapper/121:51:101
17382991310,2cyclictest0-21swapper/121:21:341
17382991310,2cyclictest0-21swapper/121:18:511
1738299130,2cyclictest0-21swapper/123:53:381
1738299130,2cyclictest0-21swapper/121:00:121
1738299130,2cyclictest0-21swapper/100:03:241
1738299130,12cyclictest0-21swapper/120:50:121
17381991310,2cyclictest0-21swapper/023:35:110
1738199130,2cyclictest0-21swapper/021:39:580
1738199130,2cyclictest0-21swapper/000:25:480
1738199130,12cyclictest0-21swapper/020:26:000
41072120,2sleep20-21swapper/219:56:022
1738499129,2cyclictest0-21swapper/323:00:293
1738499129,2cyclictest0-21swapper/322:50:283
1738499129,2cyclictest0-21swapper/319:25:173
1738499122,5cyclictest0-21swapper/319:35:003
1738499122,5cyclictest0-21swapper/319:35:003
1738499121,9cyclictest0-21swapper/323:20:023
1738499121,6cyclictest0-21swapper/319:55:013
1738499120,2cyclictest0-21swapper/322:09:483
1738499120,2cyclictest0-21swapper/300:35:283
1738499120,2cyclictest0-21swapper/300:03:093
1738499120,11cyclictest0-21swapper/323:57:183
1738499120,11cyclictest0-21swapper/321:59:083
1738499120,11cyclictest0-21swapper/321:35:183
1738499120,11cyclictest0-21swapper/321:31:373
1738499120,11cyclictest0-21swapper/321:00:173
1738499120,11cyclictest0-21swapper/320:55:173
1738499120,11cyclictest0-21swapper/300:10:183
1738399129,2cyclictest14640-21kworker/u8:123:55:042
1738399129,2cyclictest13154-21kworker/u8:119:17:042
1738399129,2cyclictest11290-21kworker/u8:120:31:042
1738399129,2cyclictest0-21swapper/223:12:572
1738399129,2cyclictest0-21swapper/222:59:162
1738399129,2cyclictest0-21swapper/222:59:162
1738399129,2cyclictest0-21swapper/219:45:142
1738399128,2cyclictest29219-21ssh22:10:182
1738399127,3cyclictest20970-21cron20:40:002
1738399120,2cyclictest0-21swapper/200:03:042
1738399120,11cyclictest0-21swapper/221:05:142
1738299128,2cyclictest0-21swapper/120:56:011
1738299128,2cyclictest0-21swapper/120:10:111
1738299122,6cyclictest0-21swapper/120:30:011
1738299121,3cyclictest0-21swapper/119:40:161
1738299120,2cyclictest0-21swapper/120:15:151
1738299120,11cyclictest0-21swapper/123:55:231
1738299120,11cyclictest0-21swapper/120:30:591
1738199122,7cyclictest0-21swapper/019:32:010
1738199122,7cyclictest0-21swapper/019:32:010
1738199122,7cyclictest0-21swapper/019:17:020
1738199120,2cyclictest0-21swapper/021:05:310
293932110,1sleep30-21swapper/322:10:283
186992110,2sleep318711-21ssh23:37:383
1738499118,2cyclictest0-21swapper/323:45:283
1738499118,2cyclictest0-21swapper/323:18:083
1738499118,2cyclictest0-21swapper/321:53:283
1738499118,2cyclictest0-21swapper/321:18:053
1738499116,3cyclictest23784-21cut23:10:153
1738499116,3cyclictest11254-21telnet20:15:143
1738499111,6cyclictest0-21swapper/321:05:123
1738499111,5cyclictest0-21swapper/320:40:013
1738499111,5cyclictest0-21swapper/319:15:003
1738499110,9cyclictest596-21diskmemload22:19:113
1738499110,2cyclictest0-21swapper/322:59:593
1738499110,2cyclictest0-21swapper/322:59:593
1738499110,10cyclictest0-21swapper/300:28:273
1738399118,2cyclictest17725-21kworker/u8:019:33:042
1738399118,2cyclictest17725-21kworker/u8:019:33:042
1738399118,2cyclictest11290-21kworker/u8:120:17:042
1738399118,2cyclictest0-21swapper/223:32:362
1738399118,2cyclictest0-21swapper/222:39:142
1738399110,2cyclictest28151-21open_inodes20:55:172
1738399110,2cyclictest0-21swapper/219:50:182
1738399110,2cyclictest0-21swapper/200:22:042
1738399110,10cyclictest0-21swapper/219:35:122
1738299118,2cyclictest13154-21kworker/u8:119:10:041
1738299118,2cyclictest0-21swapper/120:35:161
1738299118,2cyclictest0-21swapper/119:39:461
1738299117,2cyclictest0-21swapper/119:55:061
1738299111,8cyclictest0-21swapper/119:25:141
1738299111,3cyclictest7110-21munin-node1
1738299110,9cyclictest21756-21grep20:40:151
1738199118,2cyclictest0-21swapper/020:43:230
1738199118,2cyclictest0-21swapper/020:15:200
1738199112,7cyclictest0-21swapper/021:00:000
1738199112,6cyclictest0-21swapper/019:27:590
1738499107,2cyclictest0-21swapper/323:51:283
1738499107,2cyclictest0-21swapper/320:52:593
1738499107,2cyclictest0-21swapper/320:03:173
1738499105,3cyclictest4006-21if_err_eth021:45:173
1738499102,5cyclictest0-21swapper/320:06:593
1738499100,9cyclictest0-21swapper/322:37:473
1738499100,9cyclictest0-21swapper/320:33:083
1738499100,2cyclictest0-21swapper/320:40:123
1738399107,2cyclictest11290-21kworker/u8:120:45:042
1738399107,2cyclictest0-21swapper/220:40:162
1738399102,7cyclictest0-21swapper/220:06:022
1738399100,7cyclictest0-21swapper/220:26:582
1738299105,3cyclictest32177-21ntp_offset19:45:171
1738299100,8cyclictest0-21swapper/119:30:141
1738299100,8cyclictest0-21swapper/119:30:141
1738299100,2cyclictest0-21swapper/119:50:131
1738199105,3cyclictest0-21swapper/019:20:200
1738199104,4cyclictest2050-21wc19:51:030
173849996,2cyclictest0-21swapper/319:45:123
173849994,3cyclictest3019-21cut19:55:123
173849994,3cyclictest29936-21interrupts19:40:163
173849994,3cyclictest21709-21fschecks_time19:20:153
173849994,3cyclictest16039-21grep20:25:153
173849990,2cyclictest0-21swapper/320:20:193
173839994,3cyclictest600-21aten2.4_r3power00:25:112
173839994,3cyclictest14279-21sendmail_mailtr20:21:012
173829990,6cyclictest0-21swapper/120:45:111
173819990,8cyclictest0-21swapper/019:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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