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2026-06-11 - 03:54

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 Thu Jun 11, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15973211794,17sleep30-21swapper/319:08:513
15812211793,18sleep10-21swapper/119:06:451
779121090,1sleep07792-21sshd20:07:360
16052210796,6sleep00-21swapper/019:09:520
141121060,1sleep31410-21users22:56:043
1427529282,6sleep20-21swapper/219:05:102
16089993817,2cyclictest0-21swapper/022:40:100
16090993515,19cyclictest0-21swapper/121:10:111
1609199300,28cyclictest8918-21ssh23:05:092
1609099233,2cyclictest0-21swapper/121:30:111
55292220,0sleep30-21swapper/323:35:433
238442220,0sleep30-21swapper/322:45:173
1609199210,19cyclictest0-21swapper/220:15:112
16089992116,3cyclictest13344-21ssh23:45:110
1609099190,17cyclictest0-21swapper/122:20:101
1609099180,17cyclictest0-21swapper/123:55:041
16092991714,2cyclictest9024-21kworker/u8:022:31:043
16092991714,2cyclictest7774-21kworker/u8:022:15:043
16092991714,2cyclictest27518-21kworker/u8:123:00:043
1609299170,15cyclictest24772-21grep20:50:133
16091991712,3cyclictest15987-21ssh23:47:232
16090991714,2cyclictest21748-21kworker/u8:122:13:041
16089991714,2cyclictest11429-21kworker/u8:223:08:010
168262160,1sleep00-21swapper/021:27:380
1609299161,3cyclictest9335-21aten2.4_r3power21:55:123
16092991612,2cyclictest31853-21ssh23:30:103
1609299160,14cyclictest0-21swapper/323:05:053
1609199161,3cyclictest1251-21ssh22:21:002
1609199160,14cyclictest19821-21ssh00:26:032
1609299151,3cyclictest17802-21munin-run23:14:593
1609299151,3cyclictest0-21swapper/322:22:203
16092991512,2cyclictest3056-21kworker/u8:120:10:043
16092991512,2cyclictest26345-21kworker/u8:121:18:043
1609199151,3cyclictest30074-21ssh00:37:472
16091991511,2cyclictest0-21swapper/200:31:002
16091991510,3cyclictest23282-21ps20:45:182
16091991510,3cyclictest0-21swapper/221:28:252
1609199150,3cyclictest0-21swapper/222:35:152
1609199150,13cyclictest0-21swapper/220:35:152
1609099151,12cyclictest13193-21apt-get22:35:061
1609099150,2cyclictest0-21swapper/100:28:461
1609099150,13cyclictest0-21swapper/123:00:141
1609099150,13cyclictest0-21swapper/122:51:161
1609099150,13cyclictest0-21swapper/119:31:011
16089991510,3cyclictest0-21swapper/000:05:110
1608999150,13cyclictest0-21swapper/021:36:550
26522140,2sleep00-21swapper/023:33:170
193372140,2sleep00-21swapper/023:15:340
1609299141,3cyclictest21631-21munin-node3
16092991411,2cyclictest26345-21kworker/u8:121:48:013
16092991411,2cyclictest25315-21kworker/u8:000:13:043
16092991411,2cyclictest0-21swapper/323:45:143
1609299141,11cyclictest32238-21diskmemload00:34:333
1609299140,12cyclictest0-21swapper/323:25:133
16091991411,2cyclictest0-21swapper/200:24:132
1609199141,11cyclictest28997-21ssh00:01:062
16091991410,2cyclictest15958-21ssh22:01:292
1609199140,13cyclictest0-21swapper/221:00:132
1609199140,12cyclictest10568-21ssh21:20:362
1609199140,12cyclictest0-21swapper/223:01:152
1609199140,12cyclictest0-21swapper/222:47:282
1609199140,12cyclictest0-21swapper/220:00:122
16090991411,2cyclictest0-21swapper/121:51:311
16090991411,2cyclictest0-21swapper/120:41:061
16090991411,2cyclictest0-21swapper/119:40:201
16090991411,2cyclictest0-21swapper/119:15:061
16090991411,2cyclictest0-21swapper/100:38:361
1609099140,2cyclictest0-21swapper/122:25:141
1609099140,13cyclictest0-21swapper/123:45:161
1609099140,13cyclictest0-21swapper/123:27:461
1609099140,13cyclictest0-21swapper/123:21:461
1609099140,12cyclictest0-21swapper/123:35:181
1609099140,12cyclictest0-21swapper/121:55:181
1609099140,12cyclictest0-21swapper/100:10:481
1608999142,7cyclictest0-21swapper/022:10:000
1608999142,7cyclictest0-21swapper/000:15:010
116362140,2sleep00-21swapper/023:42:350
58382130,2sleep00-21swapper/022:25:550
261272130,2sleep032238-21diskmemload23:23:350
1609299139,2cyclictest0-21swapper/321:06:013
1609299138,3cyclictest12936-21munin-node3
16092991310,2cyclictest9174-21kworker/u8:219:19:043
16092991310,2cyclictest26345-21kworker/u8:121:32:043
16092991310,2cyclictest20553-21kworker/u8:223:57:043
16092991310,2cyclictest13313-21kworker/u8:000:25:043
16092991310,2cyclictest0-21swapper/322:25:133
16092991310,2cyclictest0-21swapper/321:25:143
16092991310,2cyclictest0-21swapper/321:21:003
16092991310,2cyclictest0-21swapper/320:36:023
16092991310,2cyclictest0-21swapper/320:16:013
1609299130,3cyclictest3649-21snmpd00:16:173
1609299130,2cyclictest0-21swapper/319:20:113
1609299130,2cyclictest0-21swapper/300:35:103
1609299130,11cyclictest0-21swapper/321:10:423
1609199139,3cyclictest0-21swapper/200:07:262
1609199132,7cyclictest22118-21ssh23:55:002
16091991310,2cyclictest0-21swapper/223:35:072
16091991310,2cyclictest0-21swapper/223:30:452
16091991310,2cyclictest0-21swapper/223:21:532
16091991310,2cyclictest0-21swapper/221:51:392
16091991310,2cyclictest0-21swapper/221:14:032
16091991310,2cyclictest0-21swapper/220:40:172
1609199130,3cyclictest3207-21chrt21:48:252
1609199130,2cyclictest0-21swapper/223:55:192
1609199130,2cyclictest0-21swapper/223:16:422
1609199130,2cyclictest0-21swapper/223:14:532
1609199130,2cyclictest0-21swapper/222:51:332
1609199130,2cyclictest0-21swapper/222:12:522
1609199130,12cyclictest0-21swapper/223:27:232
1609199130,12cyclictest0-21swapper/222:27:532
1609199130,12cyclictest0-21swapper/222:16:432
1609199130,12cyclictest0-21swapper/221:16:232
1609199130,11cyclictest32238-21diskmemload21:36:202
1609199130,11cyclictest21776-21sh22:43:492
1609199130,11cyclictest0-21swapper/222:55:222
1609099139,2cyclictest0-21swapper/120:45:291
1609099132,2cyclictest207150irq/24-eth123:08:011
16090991310,2cyclictest0-21swapper/123:40:321
16090991310,2cyclictest0-21swapper/123:32:521
16090991310,2cyclictest0-21swapper/123:13:411
16090991310,2cyclictest0-21swapper/122:57:161
16090991310,2cyclictest0-21swapper/122:45:261
16090991310,2cyclictest0-21swapper/122:41:021
16090991310,2cyclictest0-21swapper/122:17:291
16090991310,2cyclictest0-21swapper/122:05:311
16090991310,2cyclictest0-21swapper/120:10:021
16090991310,2cyclictest0-21swapper/120:05:361
16090991310,2cyclictest0-21swapper/100:08:311
1609099130,2cyclictest0-21swapper/122:32:501
1609099130,2cyclictest0-21swapper/121:42:281
1609099130,2cyclictest0-21swapper/121:25:121
1609099130,2cyclictest0-21swapper/121:20:151
1609099130,2cyclictest0-21swapper/121:00:171
1609099130,2cyclictest0-21swapper/100:30:461
1609099130,2cyclictest0-21swapper/100:20:121
1609099130,2cyclictest0-21swapper/100:03:061
1609099130,12cyclictest0-21swapper/123:50:071
1609099130,12cyclictest0-21swapper/121:47:561
1609099130,12cyclictest0-21swapper/121:06:061
1609099130,11cyclictest0-21swapper/123:15:141
1608999139,2cyclictest0-21swapper/022:52:050
1608999133,6cyclictest0-21swapper/021:05:210
1608999132,6cyclictest0-21swapper/021:55:000
1608999132,6cyclictest0-21swapper/020:00:000
16089991310,2cyclictest0-21swapper/022:24:440
16089991310,2cyclictest0-21swapper/021:10:040
16089991310,2cyclictest0-21swapper/000:18:350
1608999130,7cyclictest0-21swapper/019:50:000
1608999130,3cyclictest11429-21kworker/u8:223:13:140
1608999130,2cyclictest22731-21ssh22:45:040
1608999130,12cyclictest0-21swapper/021:56:550
1608999130,12cyclictest0-21swapper/021:00:110
1608999130,11cyclictest0-21swapper/023:25:240
1608999130,11cyclictest0-21swapper/021:45:500
1608999130,11cyclictest0-21swapper/021:30:350
1608999130,11cyclictest0-21swapper/000:36:450
108732130,2sleep20-21swapper/200:16:362
100532130,5sleep11609099cyclictest00:15:541
1609299129,2cyclictest28540-21kworker/u8:221:02:013
1609299121,9cyclictest27755-21tr22:50:133
1609299120,2cyclictest29680-21ssh21:41:133
1609299120,2cyclictest13193-21apt-get22:35:053
1609299120,2cyclictest0-21swapper/322:06:113
1609299120,2cyclictest0-21swapper/321:50:043
1609299120,2cyclictest0-21swapper/321:35:163
1609299120,2cyclictest0-21swapper/300:00:373
1609299120,11cyclictest0-21swapper/323:23:513
1609299120,11cyclictest0-21swapper/323:16:023
1609299120,11cyclictest0-21swapper/320:06:023
1609299120,10cyclictest0-21swapper/319:11:013
1609199129,2cyclictest0-21swapper/221:57:312
1609199129,2cyclictest0-21swapper/221:41:492
1609199129,2cyclictest0-21swapper/221:30:092
1609199120,2cyclictest0-21swapper/222:08:522
1609199120,2cyclictest0-21swapper/220:56:012
1609199120,2cyclictest0-21swapper/220:10:022
1609199120,2cyclictest0-21swapper/219:10:162
1609199120,2cyclictest0-21swapper/200:12:402
1609199120,11cyclictest0-21swapper/223:40:022
1609199120,11cyclictest0-21swapper/222:31:092
1609099129,2cyclictest12271-21apt-get20:20:101
1609099129,2cyclictest0-21swapper/122:01:101
1609099129,2cyclictest0-21swapper/120:30:121
1609099120,2cyclictest0-21swapper/121:35:311
1609099120,2cyclictest0-21swapper/121:15:511
1609099120,2cyclictest0-21swapper/120:55:291
1609099120,11cyclictest0-21swapper/120:36:001
1608999129,2cyclictest0-21swapper/021:40:540
1608999128,3cyclictest0-21swapper/000:00:110
1608999122,7cyclictest0-21swapper/019:54:580
1608999120,7cyclictest0-21swapper/020:30:000
1608999120,2cyclictest0-21swapper/022:37:250
1608999120,2cyclictest0-21swapper/021:22:350
1608999120,2cyclictest0-21swapper/020:50:170
1608999120,2cyclictest0-21swapper/020:40:170
1608999120,11cyclictest32238-21diskmemload23:00:340
1608999120,11cyclictest0-21swapper/023:35:540
1608999120,11cyclictest0-21swapper/022:55:140
1608999120,11cyclictest0-21swapper/022:16:150
1608999120,11cyclictest0-21swapper/021:16:290
1608999120,11cyclictest0-21swapper/000:22:040
1608999120,10cyclictest24555-21ssh23:56:240
1609299118,2cyclictest3056-21kworker/u8:120:00:043
1609299118,2cyclictest30558-21kworker/u8:019:55:043
1609299118,2cyclictest26093-21kworker/u8:219:44:013
1609299118,2cyclictest22434-21kworker/u8:020:48:043
1609299118,2cyclictest21861-21kworker/u8:023:40:043
1609299118,2cyclictest0-21swapper/320:25:163
1609299118,2cyclictest0-21swapper/320:25:163
1609299118,2cyclictest0-21swapper/319:36:023
1609299116,3cyclictest13284-21cut00:20:103
1609299110,10cyclictest0-21swapper/323:50:363
1609299110,10cyclictest0-21swapper/322:41:553
1609299110,10cyclictest0-21swapper/300:05:213
1609199118,2cyclictest0-21swapper/219:55:402
1609199118,2cyclictest0-21swapper/219:21:042
1609199112,7cyclictest0-21swapper/219:34:592
1609099118,2cyclictest0-21swapper/120:51:001
1609099111,8cyclictest360-21diskstats19:50:131
1609099110,9cyclictest0-21swapper/119:46:021
1609099110,10cyclictest0-21swapper/120:02:361
1609099110,10cyclictest0-21swapper/119:25:141
1608999118,2cyclictest0-21swapper/020:00:130
1608999118,2cyclictest0-21swapper/000:30:450
1608999111,6cyclictest0-21swapper/020:10:110
1608999111,6cyclictest0-21swapper/019:35:050
1608999110,3cyclictest20721-21ssh23:52:360
1608999110,2cyclictest0-21swapper/022:10:430
1608999110,1cyclictest0-21swapper/022:02:550
1608999110,10cyclictest0-21swapper/022:33:220
1608999110,10cyclictest0-21swapper/020:16:360
1608999110,10cyclictest0-21swapper/019:15:080
1608999110,10cyclictest0-21swapper/000:27:380
1609299107,2cyclictest21748-21kworker/u8:122:10:043
1609299107,2cyclictest0-21swapper/322:00:243
1609299107,2cyclictest0-21swapper/320:30:093
1609299105,3cyclictest26834-21grep20:55:143
1609299101,6cyclictest0-21swapper/319:30:013
1609199107,2cyclictest0-21swapper/221:05:192
1609199107,2cyclictest0-21swapper/220:26:032
1609199107,2cyclictest0-21swapper/220:26:032
1609199101,5cyclictest0-21swapper/220:50:102
1609099107,2cyclictest0-21swapper/120:15:131
1609099107,2cyclictest0-21swapper/119:55:141
1609099100,8cyclictest0-21swapper/120:25:151
1609099100,8cyclictest0-21swapper/120:25:151
1609099100,8cyclictest0-21swapper/119:10:131
1608999107,2cyclictest0-21swapper/020:55:180
1608999107,2cyclictest0-21swapper/020:25:110
1608999107,2cyclictest0-21swapper/020:25:110
1608999105,3cyclictest3728-21runrttasks20:48:230
1608999105,3cyclictest22717-21df_abs19:25:120
1608999101,5cyclictest0-21swapper/020:20:120
1608999100,9cyclictest0-21swapper/019:34:360
160929996,2cyclictest30558-21kworker/u8:019:50:053
160929996,2cyclictest20366-21kworker/u8:019:25:043
160929994,3cyclictest31613-21switchtime19:46:023
160919994,3cyclictest28953-21fschecks_time19:40:142
160919994,3cyclictest18349-21basename19:15:122
160919994,3cyclictest13717-21unixbench_singl20:21:012
160919993,4cyclictest1761-21cron19:55:002
160919991,4cyclictest0-21swapper/220:05:002
160919991,3cyclictest0-21swapper/219:35:152
160919990,7cyclictest0-21swapper/219:27:012
160919990,6cyclictest0-21swapper/219:46:022
160919990,2cyclictest0-21swapper/220:34:562
160909996,2cyclictest0-21swapper/119:20:161
160899994,3cyclictest29402-21processes19:40:190
160899994,3cyclictest19088-21ls20:35:160
160899994,3cyclictest16904-21cat19:10:140
160899990,6cyclictest0-21swapper/019:21:010
160909985,2cyclictest27431-21pzem_power19:35:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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