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2026-05-07 - 04:29

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 Thu May 07, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30275211188,18sleep10-21swapper/119:08:271
30367210796,6sleep00-21swapper/019:09:390
30365210695,6sleep30-21swapper/319:09:373
30318210594,6sleep20-21swapper/219:09:002
30424993116,14cyclictest0-21swapper/223:10:092
30422992914,2cyclictest0-21swapper/021:35:100
3042299221,19cyclictest0-21swapper/019:50:080
3042299211,2cyclictest0-21swapper/019:45:100
30425992010,8cyclictest24342-21memory21:20:163
3042599200,2cyclictest0-21swapper/322:07:573
3042599200,12cyclictest0-21swapper/323:56:003
3042499200,2cyclictest0-21swapper/221:00:122
3042399200,2cyclictest0-21swapper/122:15:111
3042299200,2cyclictest0-21swapper/021:45:110
115082200,0sleep00-21swapper/000:39:460
3042599196,3cyclictest28068-21tr22:35:173
3042599190,2cyclictest0-21swapper/322:21:003
3042599190,2cyclictest0-21swapper/300:16:103
3042599190,2cyclictest0-21swapper/300:16:093
3042499190,2cyclictest0-21swapper/219:45:102
3042299190,2cyclictest0-21swapper/020:05:130
3042599189,2cyclictest0-21swapper/323:48:163
3042599189,2cyclictest0-21swapper/322:10:313
3042599189,2cyclictest0-21swapper/321:43:143
3042599188,2cyclictest0-21swapper/323:02:223
3042599186,3cyclictest0-21swapper/321:56:433
3042599185,3cyclictest2636-21grep19:20:133
3042599182,6cyclictest0-21swapper/323:41:003
3042599180,9cyclictest274-21jbd2/sda1-822:45:153
3042599180,11cyclictest0-21swapper/323:16:323
3042599180,11cyclictest0-21swapper/323:10:163
3042599180,11cyclictest0-21swapper/323:06:593
3042599180,11cyclictest0-21swapper/321:11:313
3042599180,11cyclictest0-21swapper/300:23:293
3042599180,11cyclictest0-21swapper/300:23:293
3042299181,14cyclictest0-21swapper/022:40:140
3042299180,2cyclictest0-21swapper/019:40:110
3042599179,2cyclictest0-21swapper/320:50:003
3042599178,2cyclictest0-21swapper/300:10:403
3042599172,6cyclictest26432-21copy20:20:013
3042599170,7cyclictest0-21swapper/322:58:593
3042599170,5cyclictest0-21swapper/320:35:003
3042599170,2cyclictest0-21swapper/300:06:593
3042599170,11cyclictest0-21swapper/323:33:313
3042599170,11cyclictest0-21swapper/322:01:013
3042599170,11cyclictest0-21swapper/321:26:013
3042599170,11cyclictest0-21swapper/320:05:403
3042599170,11cyclictest0-21swapper/319:10:003
3042599170,10cyclictest0-21swapper/300:33:303
3042599167,2cyclictest1552-21ssh21:30:443
30425991612,2cyclictest0-21swapper/323:20:133
30425991611,3cyclictest0-21swapper/321:05:133
3042599160,10cyclictest0-21swapper/322:30:383
30424991611,3cyclictest14529-21ssh21:10:112
30423991612,2cyclictest3127-21nscd00:35:101
30422991612,2cyclictest26166-21kworker/u8:123:16:040
3042599155,3cyclictest0-21swapper/300:04:173
3042599151,6cyclictest0-21swapper/323:55:003
3042599151,12cyclictest0-21swapper/320:56:013
3042599150,13cyclictest0-21swapper/321:36:023
30424991510,3cyclictest31745-21munin-node2
3042499150,13cyclictest13533-21tr22:55:142
3042499150,13cyclictest0-21swapper/200:31:032
3042399158,5cyclictest16586-21ssh21:47:051
3042399150,13cyclictest0-21swapper/120:36:011
149392150,2sleep00-21swapper/022:20:380
3042599142,7cyclictest0-21swapper/323:40:003
3042599142,7cyclictest0-21swapper/319:19:593
30424991411,2cyclictest9438-21ssh21:40:052
30424991411,2cyclictest0-21swapper/219:50:152
30424991411,2cyclictest0-21swapper/200:06:542
3042499140,13cyclictest0-21swapper/222:01:042
3042499140,13cyclictest0-21swapper/221:48:042
3042399149,4cyclictest0-21swapper/123:36:331
3042399149,3cyclictest7451-21cut19:30:391
3042399149,3cyclictest17578-21sh21:13:201
30423991410,2cyclictest0-21swapper/119:11:001
3042399140,2cyclictest0-21swapper/100:11:591
3042399140,13cyclictest0-21swapper/121:18:481
3042399140,12cyclictest28658-21ntp_offset22:00:191
3042399140,12cyclictest14193-21diskmemload23:19:081
3042399140,12cyclictest0-21swapper/121:35:381
3042399140,12cyclictest0-21swapper/121:22:241
3042299142,7cyclictest0-21swapper/019:29:590
3042299140,2cyclictest0-21swapper/020:15:130
242612140,2sleep00-21swapper/021:55:240
117982140,2sleep00-21swapper/022:17:280
92632130,2sleep00-21swapper/000:00:380
47022130,2sleep00-21swapper/023:55:400
3042599138,3cyclictest10666-21tr21:00:133
3042599132,6cyclictest26432-21copy20:20:003
3042599130,3cyclictest9860-21taskset00:36:533
3042599130,2cyclictest0-21swapper/323:27:523
3042599130,2cyclictest0-21swapper/322:40:153
3042599130,2cyclictest0-21swapper/321:47:193
3042499138,2cyclictest0-21swapper/222:16:312
30424991310,2cyclictest2383-21ssh21:31:252
30424991310,2cyclictest0-21swapper/222:06:002
30424991310,2cyclictest0-21swapper/221:26:042
30424991310,2cyclictest0-21swapper/220:55:172
30424991310,2cyclictest0-21swapper/220:15:162
30424991310,2cyclictest0-21swapper/219:10:162
30424991310,2cyclictest0-21swapper/200:29:352
30424991310,2cyclictest0-21swapper/200:29:342
30424991310,2cyclictest0-21swapper/200:20:262
30424991310,2cyclictest0-21swapper/200:20:262
3042499130,2cyclictest12112-21ssh00:04:442
3042499130,2cyclictest0-21swapper/223:30:122
3042499130,2cyclictest0-21swapper/223:08:542
3042499130,2cyclictest0-21swapper/221:51:012
3042499130,2cyclictest0-21swapper/219:30:172
3042499130,2cyclictest0-21swapper/200:35:072
3042499130,2cyclictest0-21swapper/200:18:142
3042499130,2cyclictest0-21swapper/200:18:142
3042499130,12cyclictest0-21swapper/223:55:272
3042499130,12cyclictest0-21swapper/223:47:052
3042499130,12cyclictest0-21swapper/223:35:162
3042499130,12cyclictest0-21swapper/223:20:052
3042499130,12cyclictest0-21swapper/223:16:012
3042499130,12cyclictest0-21swapper/222:33:552
3042399138,3cyclictest25762-21apt-get00:20:051
3042399138,3cyclictest25762-21apt-get00:20:051
3042399137,5cyclictest21-21rcuc/100:03:051
3042399137,2cyclictest0-21swapper/122:13:071
3042399132,6cyclictest0-21swapper/121:30:001
30423991310,2cyclictest0-21swapper/123:56:581
30423991310,2cyclictest0-21swapper/123:30:181
30423991310,2cyclictest0-21swapper/123:28:281
30423991310,2cyclictest0-21swapper/121:53:051
30423991310,2cyclictest0-21swapper/100:33:011
3042399130,2cyclictest207150irq/24-eth122:59:021
3042399130,2cyclictest0-21swapper/121:59:191
3042399130,2cyclictest0-21swapper/120:55:131
3042399130,2cyclictest0-21swapper/120:45:161
3042399130,12cyclictest0-21swapper/123:22:491
3042399130,12cyclictest0-21swapper/122:28:181
3042399130,12cyclictest0-21swapper/119:40:191
3042399130,11cyclictest0-21swapper/100:15:381
3042399130,11cyclictest0-21swapper/100:15:381
3042299138,3cyclictest0-21swapper/022:54:330
3042299138,3cyclictest0-21swapper/021:21:360
3042299131,10cyclictest0-21swapper/022:09:470
30422991310,2cyclictest0-21swapper/023:11:140
30422991310,2cyclictest0-21swapper/022:45:180
30422991310,2cyclictest0-21swapper/021:25:130
30422991310,2cyclictest0-21swapper/021:11:050
30422991310,2cyclictest0-21swapper/021:06:030
3042299130,2cyclictest0-21swapper/022:10:160
3042299130,2cyclictest0-21swapper/021:15:060
3042299130,12cyclictest0-21swapper/023:04:340
3042299130,12cyclictest0-21swapper/021:41:030
3042299130,11cyclictest10397-21apt-get21:00:120
3042299130,11cyclictest0-21swapper/023:50:140
3042299130,11cyclictest0-21swapper/023:31:060
3042299130,11cyclictest0-21swapper/022:28:260
210252130,1sleep0101ktimersoftd/000:14:190
111632130,2sleep10-21swapper/122:52:041
53402120,2sleep10-21swapper/122:45:441
3042599129,2cyclictest0-21swapper/322:27:103
3042599129,2cyclictest0-21swapper/322:17:523
3042599129,2cyclictest0-21swapper/321:50:113
3042599129,2cyclictest0-21swapper/321:18:393
3042599123,6cyclictest0-21swapper/300:26:003
3042599123,6cyclictest0-21swapper/300:26:003
3042599122,7cyclictest0-21swapper/320:43:023
3042599122,7cyclictest0-21swapper/319:43:583
3042599120,11cyclictest0-21swapper/322:50:133
3042599120,11cyclictest0-21swapper/319:25:173
3042499129,2cyclictest0-21swapper/223:26:172
3042499129,2cyclictest0-21swapper/223:01:212
3042499129,2cyclictest0-21swapper/222:51:342
3042499129,2cyclictest0-21swapper/222:26:312
3042499129,2cyclictest0-21swapper/222:10:142
3042499129,2cyclictest0-21swapper/220:45:142
3042499129,2cyclictest0-21swapper/220:30:172
3042499120,2cyclictest0-21swapper/223:52:352
3042499120,2cyclictest0-21swapper/222:20:572
3042499120,2cyclictest0-21swapper/221:37:062
3042499120,2cyclictest0-21swapper/221:20:392
3042499120,2cyclictest0-21swapper/221:15:572
3042499120,11cyclictest14193-21diskmemload23:40:302
3042499120,11cyclictest0-21swapper/222:36:332
3042499120,11cyclictest0-21swapper/221:55:112
3042499120,11cyclictest0-21swapper/200:10:322
3042399129,2cyclictest0-21swapper/123:40:141
3042399129,2cyclictest0-21swapper/122:38:031
3042399129,2cyclictest0-21swapper/122:31:531
3042399129,2cyclictest0-21swapper/122:22:281
3042399129,2cyclictest0-21swapper/121:40:081
3042399129,2cyclictest0-21swapper/120:40:011
3042399122,7cyclictest0-21swapper/120:08:591
3042399120,2cyclictest0-21swapper/123:10:401
3042399120,2cyclictest0-21swapper/122:05:281
3042399120,2cyclictest0-21swapper/120:50:391
3042399120,2cyclictest0-21swapper/100:05:381
3042399120,11cyclictest0-21swapper/123:50:101
3042399120,11cyclictest0-21swapper/123:48:541
3042399120,11cyclictest0-21swapper/123:08:391
3042399120,11cyclictest0-21swapper/123:03:081
3042399120,11cyclictest0-21swapper/122:42:111
3042399120,11cyclictest0-21swapper/121:30:101
3042399120,11cyclictest0-21swapper/119:35:281
3042399120,11cyclictest0-21swapper/119:15:121
3042299129,2cyclictest0-21swapper/022:02:340
3042299129,2cyclictest0-21swapper/020:55:130
3042299129,2cyclictest0-21swapper/020:11:020
3042299122,7cyclictest14193-21diskmemload22:55:010
3042299122,7cyclictest0-21swapper/019:20:010
3042299120,2cyclictest14193-21diskmemload22:36:260
3042299120,2cyclictest14193-21diskmemload21:50:030
3042299120,2cyclictest0-21swapper/023:22:450
3042299120,2cyclictest0-21swapper/000:20:180
3042299120,2cyclictest0-21swapper/000:20:170
3042299120,11cyclictest1358-21ssh21:30:250
3042299120,11cyclictest0-21swapper/023:41:030
3042299120,11cyclictest0-21swapper/023:35:040
3042299120,11cyclictest0-21swapper/023:25:150
3042299120,11cyclictest0-21swapper/000:05:150
237422120,2sleep00-21swapper/023:05:420
48362110,2sleep00-21swapper/000:31:080
3042599112,6cyclictest0-21swapper/319:35:003
3042599111,7cyclictest0-21swapper/319:54:593
3042599111,6cyclictest0-21swapper/319:56:003
3042499118,2cyclictest0-21swapper/222:45:012
3042499118,2cyclictest0-21swapper/219:55:162
3042499118,2cyclictest0-21swapper/219:41:002
3042499116,3cyclictest0-21swapper/219:20:152
3042399118,2cyclictest0-21swapper/119:50:091
3042399111,6cyclictest0-21swapper/120:11:201
3042399111,2cyclictest12402-21apt-get21:05:121
3042399110,9cyclictest0-21swapper/120:01:021
3042399110,9cyclictest0-21swapper/119:45:121
3042399110,2cyclictest0-21swapper/121:00:201
3042399110,2cyclictest0-21swapper/120:15:161
3042399110,10cyclictest0-21swapper/119:55:491
3042399110,10cyclictest0-21swapper/100:25:481
3042399110,10cyclictest0-21swapper/100:25:471
3042299118,2cyclictest0-21swapper/019:30:140
3042299118,2cyclictest0-21swapper/000:17:060
3042299118,2cyclictest0-21swapper/000:17:060
3042299112,7cyclictest0-21swapper/022:33:010
3042299112,7cyclictest0-21swapper/019:56:020
3042299112,6cyclictest0-21swapper/020:37:010
3042299112,6cyclictest0-21swapper/020:31:250
3042299111,8cyclictest28361-21munin-run20:25:010
3042299111,6cyclictest0-21swapper/023:46:070
3042299111,5cyclictest0-21swapper/019:20:010
3042599102,6cyclictest0-21swapper/319:35:003
3042599101,6cyclictest0-21swapper/320:39:583
3042499107,2cyclictest0-21swapper/220:35:152
3042499107,2cyclictest0-21swapper/220:20:112
3042499107,2cyclictest0-21swapper/220:05:142
3042499101,6cyclictest0-21swapper/220:52:012
3042499100,7cyclictest4562-21gdm-simple-gree19:28:592
3042499100,7cyclictest0-21swapper/219:36:582
3042399100,9cyclictest0-21swapper/120:20:381
3042399100,8cyclictest0-21swapper/119:25:131
3042399100,7cyclictest0-21swapper/119:22:581
3042399100,3cyclictest0-21swapper/120:25:121
3042299107,2cyclictest0-21swapper/000:27:260
3042299107,2cyclictest0-21swapper/000:27:260
3042299102,6cyclictest0-21swapper/020:51:280
3042299101,3cyclictest3257-21sshd20:40:480
3042299101,3cyclictest10206-21munin-run19:39:590
304259994,3cyclictest7275-21open_inodes20:50:193
304259994,3cyclictest24289-21latency_hist20:15:003
304259994,3cyclictest19287-21missed_timers20:00:153
304259993,4cyclictest12755-21df19:45:123
304259991,6cyclictest0-21swapper/320:26:593
304249992,6cyclictest0-21swapper/221:06:022
304249992,6cyclictest0-21swapper/220:11:002
304249992,6cyclictest0-21swapper/220:03:582
304249990,5cyclictest0-21swapper/220:30:002
304239995,2cyclictest30585-21munin-node1
304229994,3cyclictest31646-21sshd19:10:230
304229994,3cyclictest28975-21forks20:25:130
304229991,3cyclictest0-21swapper/020:00:140
304229990,6cyclictest0-21swapper/020:46:010
304249983,3cyclictest32690-21hostname19:15:112
304249980,7cyclictest0-21swapper/220:44:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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