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2026-03-26 - 12:12

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 Thu Mar 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16673211896,16sleep20-21swapper/219:08:012
16554211696,15sleep00-21swapper/019:06:270
16060211594,14sleep10-21swapper/119:05:281
16803211296,11sleep30-21swapper/319:09:433
215642920,0sleep30-21swapper/323:45:163
217022800,1sleep00-21swapper/021:30:500
91632730,0sleep00-21swapper/021:18:110
188852650,0sleep00-21swapper/023:42:460
217862350,1sleep00-21swapper/019:20:160
228322230,1sleep00-21swapper/000:20:180
1685599230,3cyclictest12578-21sshd23:02:230
1685599230,3cyclictest0-21swapper/022:51:030
1685599230,3cyclictest0-21swapper/019:25:150
16856992215,4cyclictest207150irq/24-eth100:05:121
1685599220,3cyclictest534-21diskmemload22:40:190
1685599220,3cyclictest18020-21ssh22:00:230
1685599220,3cyclictest0-21swapper/023:19:430
160212220,0sleep20-21swapper/223:05:512
16855992117,2cyclictest0-21swapper/022:25:100
1685599211,3cyclictest744-21ssh23:24:400
1685599210,3cyclictest0-21swapper/021:50:110
1685599210,19cyclictest0-21swapper/021:10:120
1685599210,12cyclictest23751-21ssh23:47:500
1685899200,18cyclictest0-21swapper/321:20:103
1685599200,3cyclictest5879-21ssh00:02:500
1685599200,3cyclictest0-21swapper/023:11:020
1685599200,3cyclictest0-21swapper/021:26:590
1685599200,3cyclictest0-21swapper/020:27:230
1685599200,2cyclictest0-21swapper/000:09:290
1685899190,2cyclictest0-21swapper/321:30:113
16856991916,2cyclictest0-21swapper/121:30:101
1685599197,10cyclictest26483-21ssh22:10:090
16855991910,8cyclictest14072-21ssh21:23:200
1685599190,11cyclictest28334-21ssh00:25:590
1685599189,8cyclictest9963-21ssh23:33:490
1685599189,8cyclictest9963-21ssh23:33:480
1685599189,8cyclictest0-21swapper/019:40:170
1685599185,3cyclictest7288-21tr20:05:120
1685599180,10cyclictest0-21swapper/023:27:220
1685599180,10cyclictest0-21swapper/023:27:220
16857991714,2cyclictest9710-21kworker/u8:223:40:062
16857991714,2cyclictest29102-21kworker/u8:123:21:042
16857991714,2cyclictest15388-21kworker/u8:121:33:042
1685699170,2cyclictest0-21swapper/121:12:051
1685599178,8cyclictest0-21swapper/000:36:170
1685599176,2cyclictest0-21swapper/022:35:460
1685599174,3cyclictest861-21aten2.4_r3power19:50:120
1685599174,3cyclictest861-21aten2.4_r3power19:50:110
1685599174,3cyclictest12667-21grep00:10:130
1685599174,3cyclictest0-21swapper/019:35:150
1685599170,8cyclictest17509-21df_abs00:15:130
1685599170,2cyclictest534-21diskmemload23:37:510
1685599170,2cyclictest0-21swapper/022:49:380
1685599170,2cyclictest0-21swapper/019:58:510
1685599170,1cyclictest0-21swapper/022:32:460
16858991613,2cyclictest0-21swapper/323:25:123
16858991613,2cyclictest0-21swapper/323:25:113
16857991613,2cyclictest7251-21kworker/u8:223:14:052
16857991613,2cyclictest6072-21kworker/u8:222:26:062
16857991613,2cyclictest23750-21kworker/u8:221:44:052
16857991613,2cyclictest18148-21kworker/u8:019:46:062
1685699161,3cyclictest0-21swapper/123:40:401
1685699161,3cyclictest0-21swapper/100:21:021
1685699161,13cyclictest0-21swapper/121:59:041
1685699161,13cyclictest0-21swapper/119:10:141
1685599168,6cyclictest0-21swapper/000:32:180
1685599164,3cyclictest6815-21unixbench_singl22:56:010
1685599164,3cyclictest534-21diskmemload21:56:300
1685599164,3cyclictest3728-21runrttasks19:48:230
1685599164,3cyclictest32399-21sh23:56:210
1685599163,3cyclictest534-21diskmemload22:20:200
1685599163,3cyclictest3728-21runrttasks20:53:350
1685599163,3cyclictest3728-21runrttasks20:45:490
1685599163,3cyclictest30040-21uname21:00:160
1685599163,3cyclictest25246-21tail19:30:120
1685599163,3cyclictest23100-21latency_hist20:45:000
1685599163,3cyclictest14677-21aten2.4-expect23:05:120
1685599163,3cyclictest11035-21test20:15:040
1685599161,3cyclictest3728-21runrttasks20:55:110
1685599161,3cyclictest31767-21grep21:41:020
1685599161,3cyclictest0-21swapper/023:50:150
1685599161,3cyclictest0-21swapper/022:16:030
1685599161,3cyclictest0-21swapper/022:05:140
1685599161,3cyclictest0-21swapper/021:35:050
1685899159,4cyclictest31159-21ssh00:29:503
16858991510,3cyclictest12228-21aten2.4_r3power21:55:143
1685899150,13cyclictest0-21swapper/319:35:173
1685899150,13cyclictest0-21swapper/300:39:033
1685799154,2cyclictest0-21swapper/222:55:042
16857991512,2cyclictest6072-21kworker/u8:222:23:052
16857991512,2cyclictest524-21kworker/u8:121:15:042
16857991512,2cyclictest24612-21kworker/u8:119:42:042
16857991512,2cyclictest24612-21kworker/u8:119:35:052
16857991512,2cyclictest21280-21kworker/u8:120:44:042
16857991512,2cyclictest15174-21kworker/u8:219:20:052
1685799151,12cyclictest13376-21apt-get22:30:092
1685699155,7cyclictest4562-21gdm-simple-gree19:21:591
1685699152,11cyclictest0-21swapper/122:42:021
1685699150,13cyclictest0-21swapper/123:52:121
1685699150,13cyclictest0-21swapper/122:06:021
1685599153,3cyclictest31262-21aten2.4_r3power21:05:100
1685599153,3cyclictest19302-21grep19:15:130
1685599152,3cyclictest17257-21cpu19:10:130
1685599151,3cyclictest2502-21tr21:45:110
1685599151,3cyclictest0-21swapper/020:35:130
1685599151,3cyclictest0-21swapper/020:30:070
1685599151,3cyclictest0-21swapper/020:20:130
1685599151,3cyclictest0-21swapper/020:00:080
1685599150,3cyclictest0-21swapper/020:10:120
1685899140,4cyclictest0-21swapper/323:58:403
1685899140,2cyclictest0-21swapper/300:30:193
1685899140,13cyclictest0-21swapper/323:15:123
1685899140,12cyclictest534-21diskmemload23:20:123
1685899140,12cyclictest24096-21ssh22:06:433
1685899140,12cyclictest0-21swapper/322:20:463
16857991411,2cyclictest25306-21kworker/u8:122:10:052
16857991411,2cyclictest10094-21kworker/u8:020:23:052
16857991411,2cyclictest0-21swapper/221:39:242
1685699149,3cyclictest0-21swapper/121:37:531
16856991411,2cyclictest0-21swapper/123:56:431
16856991410,2cyclictest0-21swapper/122:34:351
16856991410,2cyclictest0-21swapper/100:10:131
1685699140,2cyclictest0-21swapper/121:26:031
1685699140,2cyclictest0-21swapper/121:22:261
1685699140,2cyclictest0-21swapper/100:17:231
1685699140,13cyclictest0-21swapper/123:00:231
1685699140,13cyclictest0-21swapper/122:50:131
1685699140,12cyclictest0-21swapper/122:15:301
49992130,2sleep2534-21diskmemload00:01:282
20462130,2sleep20-21swapper/221:10:302
1685899134,2cyclictest182302smart_sda19:11:013
16858991310,2cyclictest0-21swapper/322:43:423
16858991310,2cyclictest0-21swapper/321:46:343
16858991310,2cyclictest0-21swapper/321:25:183
16858991310,2cyclictest0-21swapper/319:40:103
16858991310,2cyclictest0-21swapper/319:25:163
16858991310,2cyclictest0-21swapper/300:18:453
16858991310,2cyclictest0-21swapper/300:05:293
1685899130,2cyclictest534-21diskmemload22:37:243
1685899130,2cyclictest0-21swapper/323:54:393
1685899130,2cyclictest0-21swapper/323:42:163
1685899130,2cyclictest0-21swapper/323:32:463
1685899130,2cyclictest0-21swapper/323:32:453
1685899130,2cyclictest0-21swapper/322:46:363
1685899130,2cyclictest0-21swapper/322:16:013
1685899130,2cyclictest0-21swapper/321:00:113
1685899130,12cyclictest0-21swapper/321:35:223
1685899130,12cyclictest0-21swapper/320:10:163
1685899130,12cyclictest0-21swapper/300:01:273
1685899130,11cyclictest0-21swapper/323:11:293
1685799132,9cyclictest4556-21metacity20:56:592
16857991310,2cyclictest29102-21kworker/u8:123:52:052
16857991310,2cyclictest25548-21kworker/u8:022:53:052
16857991310,2cyclictest14335-21kworker/u8:200:28:042
16857991310,2cyclictest12054-21kworker/u8:022:00:062
16857991310,2cyclictest0-21swapper/222:40:062
1685799130,2cyclictest3783-21ssh21:45:542
1685799130,2cyclictest0-21swapper/221:50:112
1685799130,2cyclictest0-21swapper/220:30:152
1685799130,2cyclictest0-21swapper/219:55:072
1685799130,12cyclictest0-21swapper/220:16:042
1685799130,12cyclictest0-21swapper/220:10:142
1685799130,11cyclictest0-21swapper/219:50:132
1685799130,11cyclictest0-21swapper/219:50:122
1685699138,3cyclictest28192-21cut19:35:511
1685699138,3cyclictest28163-21taskset00:25:441
1685699138,3cyclictest0-21swapper/119:55:051
1685699132,7cyclictest0-21swapper/120:30:001
1685699132,6cyclictest0-21swapper/120:40:001
1685699131,3cyclictest0-21swapper/122:00:131
1685699131,3cyclictest0-21swapper/120:35:141
1685699131,3cyclictest0-21swapper/120:21:051
16856991310,2cyclictest0-21swapper/123:39:001
16856991310,2cyclictest0-21swapper/123:34:231
16856991310,2cyclictest0-21swapper/123:34:231
16856991310,2cyclictest0-21swapper/123:23:011
16856991310,2cyclictest0-21swapper/122:38:231
16856991310,2cyclictest0-21swapper/121:44:441
16856991310,2cyclictest0-21swapper/120:45:091
16856991310,2cyclictest0-21swapper/119:31:001
16856991310,2cyclictest0-21swapper/119:25:131
1685699130,2cyclictest0-21swapper/123:15:061
1685699130,2cyclictest0-21swapper/123:05:251
1685699130,2cyclictest0-21swapper/122:20:111
1685699130,2cyclictest0-21swapper/100:30:131
1685699130,12cyclictest0-21swapper/121:17:221
1685699130,12cyclictest0-21swapper/119:40:101
1685699130,12cyclictest0-21swapper/100:03:021
1685699130,11cyclictest0-21swapper/100:37:581
181822120,2sleep20-21swapper/222:35:112
1685899129,2cyclictest0-21swapper/323:05:253
1685899129,2cyclictest0-21swapper/322:11:593
1685899129,2cyclictest0-21swapper/322:01:323
1685899129,2cyclictest0-21swapper/319:47:233
1685899128,2cyclictest1191-21df21:10:133
1685899120,2cyclictest0-21swapper/323:03:313
1685899120,2cyclictest0-21swapper/322:55:383
1685899120,2cyclictest0-21swapper/322:50:583
1685899120,2cyclictest0-21swapper/322:31:373
1685899120,2cyclictest0-21swapper/321:44:013
1685899120,2cyclictest0-21swapper/320:40:143
1685899120,2cyclictest0-21swapper/320:05:113
1685899120,2cyclictest0-21swapper/319:55:153
1685899120,2cyclictest0-21swapper/319:50:173
1685899120,2cyclictest0-21swapper/319:50:163
1685899120,2cyclictest0-21swapper/319:30:113
1685899120,2cyclictest0-21swapper/300:22:243
1685899120,11cyclictest534-21diskmemload23:35:153
1685899120,11cyclictest0-21swapper/322:25:483
1685899120,11cyclictest0-21swapper/321:15:133
1685899120,11cyclictest0-21swapper/300:10:223
1685799129,2cyclictest25306-21kworker/u8:122:15:042
1685799129,2cyclictest21280-21kworker/u8:120:45:052
1685799129,2cyclictest0-21swapper/223:30:072
1685799129,2cyclictest0-21swapper/223:30:072
1685799129,2cyclictest0-21swapper/220:35:152
1685799129,2cyclictest0-21swapper/200:21:482
1685799123,6cyclictest0-21swapper/222:47:002
1685799122,7cyclictest0-21swapper/220:51:012
1685799122,7cyclictest0-21swapper/219:26:022
1685799120,2cyclictest0-21swapper/223:25:072
1685799120,2cyclictest0-21swapper/223:25:062
1685799120,11cyclictest534-21diskmemload22:06:312
1685799120,11cyclictest0-21swapper/223:04:352
1685799120,11cyclictest0-21swapper/200:07:322
1685799120,10cyclictest534-21diskmemload23:15:542
1685799120,10cyclictest0-21swapper/223:37:462
1685699127,3cyclictest31208-21munin-node1
1685699127,3cyclictest17115-21munin-node1
1685699127,3cyclictest0-21swapper/122:56:011
1685699122,5cyclictest0-21swapper/122:45:001
1685699121,9cyclictest3728-21runrttasks21:50:111
1685699121,9cyclictest20980-21sensors_fan23:11:001
1685699121,9cyclictest0-21swapper/119:51:021
1685699121,9cyclictest0-21swapper/119:51:011
1685699121,9cyclictest0-21swapper/119:15:111
1685699121,3cyclictest0-21swapper/122:25:121
1685699121,3cyclictest0-21swapper/121:00:161
1685699120,2cyclictest0-21swapper/123:25:061
1685699120,2cyclictest0-21swapper/123:25:051
1685699120,2cyclictest0-21swapper/122:11:071
1685699120,2cyclictest0-21swapper/121:45:021
1685699120,11cyclictest0-21swapper/123:45:191
149072120,2sleep20-21swapper/221:24:402
120132120,2sleep20-21swapper/221:55:072
101892120,2sleep10-21swapper/120:11:031
1685899118,2cyclictest0-21swapper/321:50:563
1685899112,7cyclictest0-21swapper/320:31:593
1685899112,6cyclictest0-21swapper/320:15:023
1685899110,10cyclictest10094-21kworker/u8:020:49:053
1685799118,2cyclictest15388-21kworker/u8:121:25:042
1685799118,2cyclictest0-21swapper/220:05:112
1685799112,7cyclictest0-21swapper/219:33:582
1685799112,7cyclictest0-21swapper/200:10:012
1685799112,6cyclictest0-21swapper/221:06:382
1685799111,8cyclictest31950-21df00:30:142
1685799111,7cyclictest0-21swapper/200:38:012
1685799110,2cyclictest0-21swapper/223:45:452
1685799110,10cyclictest30194-21ssh23:55:052
1685799110,10cyclictest0-21swapper/200:15:162
1685699117,2cyclictest0-21swapper/120:05:121
1685699112,6cyclictest0-21swapper/120:03:581
1685699110,9cyclictest0-21swapper/119:45:131
1685699110,10cyclictest10094-21kworker/u8:020:57:051
51692100,2sleep20-21swapper/220:00:132
1685899100,7cyclictest0-21swapper/319:16:013
1685799107,2cyclictest26712-21kworker/u8:221:01:042
1685799100,2cyclictest0-21swapper/219:11:052
1685699100,3cyclictest25168-21dpkg20:50:101
1685699100,2cyclictest0-21swapper/120:15:051
168589996,2cyclictest0-21swapper/320:36:023
168589994,3cyclictest32055-21needreboot21:05:163
168589994,3cyclictest13189-21telnet20:20:133
168589992,6cyclictest0-21swapper/320:59:593
168579991,7cyclictest0-21swapper/220:25:012
168579990,6cyclictest0-21swapper/219:16:582
168589985,2cyclictest4839-21copy20:00:023
168589985,2cyclictest0-21swapper/319:20:153
168589984,2cyclictest15548-21fschecks_count20:25:143
168589980,2cyclictest0-21swapper/320:50:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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