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2026-05-24 - 00:26

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 Sat May 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27605211497,12sleep30-21swapper/307:05:033
28629211084,21sleep00-21swapper/007:05:230
28690210594,6sleep20-21swapper/207:05:542
29310210485,14sleep10-21swapper/107:08:491
98752830,1sleep10-21swapper/112:29:171
264802810,1sleep10-21swapper/111:39:181
73582710,0sleep10-21swapper/111:52:211
299602660,5sleep22943299cyclictest07:10:132
136752230,1sleep1221ktimersoftd/109:43:581
2943099211,2cyclictest0-21swapper/009:00:110
2943299200,2cyclictest0-21swapper/209:55:122
29432991914,3cyclictest25495-21ssh10:30:132
2943099190,2cyclictest0-21swapper/009:55:130
29432991815,2cyclictest12740-21kworker/u8:209:10:022
2943199181,2cyclictest10862-21ssh11:22:171
2943399171,14cyclictest7777-21sendmail-msp11:19:593
29431991714,2cyclictest12014-21kworker/u8:211:58:041
29433991611,3cyclictest0-21swapper/309:46:413
2943399160,14cyclictest0-21swapper/310:00:133
2943299162,8cyclictest28339-21ssh12:15:002
29431991613,2cyclictest6341-21kworker/u8:111:40:051
2943099160,14cyclictest0-21swapper/011:02:590
29433991512,2cyclictest0-21swapper/310:30:423
2943399151,12cyclictest29015-21ssh11:07:093
2943399150,13cyclictest8079-21ssh11:20:103
2943399150,13cyclictest0-21swapper/312:26:023
2943399150,13cyclictest0-21swapper/308:25:143
29432991510,3cyclictest0-21swapper/209:52:052
2943299150,13cyclictest15311-21cpu07:55:142
2943299150,13cyclictest0-21swapper/210:35:432
29430991511,2cyclictest0-21swapper/011:25:180
29430991510,3cyclictest0-21swapper/012:16:010
2943399141,11cyclictest15942-21apt-get10:20:133
2943399141,11cyclictest0-21swapper/311:35:173
2943399140,12cyclictest0-21swapper/312:00:323
2943399140,12cyclictest0-21swapper/309:18:503
2943399140,12cyclictest0-21swapper/309:14:403
2943299140,12cyclictest6293-21ssh11:17:422
2943299140,12cyclictest0-21swapper/211:53:242
2943299140,12cyclictest0-21swapper/211:22:032
2943299140,12cyclictest0-21swapper/211:02:452
2943299140,12cyclictest0-21swapper/210:53:052
29431991411,2cyclictest0-21swapper/110:00:481
2943199140,2cyclictest16509-21ps12:35:181
2943199140,2cyclictest0-21swapper/110:57:471
2943199140,13cyclictest0-21swapper/110:27:481
2943199140,13cyclictest0-21swapper/108:15:181
2943199140,12cyclictest0-21swapper/109:14:281
29430991411,2cyclictest0-21swapper/012:28:100
29430991411,2cyclictest0-21swapper/010:55:280
29430991410,2cyclictest29210-21munin-run08:30:000
29430991410,2cyclictest11472-21df_abs07:45:140
29430991410,2cyclictest0-21swapper/007:56:020
2943099140,2cyclictest7526-21ssh11:19:390
2943099140,2cyclictest0-21swapper/009:47:080
2943099140,13cyclictest0-21swapper/011:56:290
2943099140,12cyclictest27970-21ssh10:31:540
2943099140,12cyclictest2230-21pzem_current07:20:200
2943099140,12cyclictest0-21swapper/012:35:140
2943099140,12cyclictest0-21swapper/010:17:160
2943099140,12cyclictest0-21swapper/010:09:120
2943099140,12cyclictest0-21swapper/010:09:110
2943099140,12cyclictest0-21swapper/010:02:160
2943099140,12cyclictest0-21swapper/009:31:210
119722140,3sleep00-21swapper/009:41:180
305992130,3sleep10-21swapper/110:35:141
2943399133,6cyclictest0-21swapper/310:56:033
2943399132,7cyclictest0-21swapper/312:34:593
2943399132,6cyclictest7254-21apt-get07:35:013
2943399132,6cyclictest0-21swapper/309:05:003
2943399132,6cyclictest0-21swapper/307:15:013
2943399131,6cyclictest0-21swapper/308:20:003
29433991310,2cyclictest4099-21ssh10:07:113
29433991310,2cyclictest4099-21ssh10:07:103
29433991310,2cyclictest24239-21ssh09:55:123
29433991310,2cyclictest13039-21diskmemload12:23:103
29433991310,2cyclictest0-21swapper/310:38:103
29433991310,2cyclictest0-21swapper/308:41:003
29433991310,2cyclictest0-21swapper/308:35:203
2943399130,2cyclictest0-21swapper/311:33:113
2943399130,2cyclictest0-21swapper/310:27:003
2943399130,2cyclictest0-21swapper/309:42:113
2943399130,2cyclictest0-21swapper/307:55:123
2943399130,12cyclictest0-21swapper/310:50:503
2943399130,11cyclictest0-21swapper/312:35:123
2943399130,11cyclictest0-21swapper/309:25:003
2943299138,3cyclictest0-21swapper/209:21:342
2943299133,7cyclictest3688-21Xorg07:18:592
2943299132,7cyclictest0-21swapper/209:04:592
2943299132,7cyclictest0-21swapper/207:40:012
2943299132,6cyclictest0-21swapper/207:54:592
2943299131,6cyclictest0-21swapper/208:39:592
29432991310,2cyclictest6341-21kworker/u8:111:49:052
29432991310,2cyclictest0-21swapper/212:35:132
29432991310,2cyclictest0-21swapper/212:25:322
29432991310,2cyclictest0-21swapper/212:07:132
29432991310,2cyclictest0-21swapper/211:38:452
29432991310,2cyclictest0-21swapper/210:59:122
29432991310,2cyclictest0-21swapper/210:44:042
29432991310,2cyclictest0-21swapper/210:13:352
29432991310,2cyclictest0-21swapper/209:15:532
29432991310,2cyclictest0-21swapper/208:15:142
29432991310,2cyclictest0-21swapper/207:25:122
2943299130,2cyclictest17044-21ssh09:46:442
2943299130,2cyclictest0-21swapper/212:24:532
2943299130,2cyclictest0-21swapper/211:34:282
2943299130,2cyclictest0-21swapper/211:06:552
2943299130,2cyclictest0-21swapper/209:40:152
2943299130,2cyclictest0-21swapper/209:33:242
2943299130,12cyclictest0-21swapper/209:35:042
2943299130,12cyclictest0-21swapper/209:27:252
2943299130,12cyclictest0-21swapper/208:03:122
2943299130,11cyclictest13039-21diskmemload10:25:032
2943199138,4cyclictest0-21swapper/111:10:121
2943199138,3cyclictest207150irq/24-eth109:45:111
2943199131,9cyclictest7764-21sleep11:20:001
2943199131,3cyclictest13039-21diskmemload10:45:191
29431991310,2cyclictest20574-21kworker/u8:110:32:011
29431991310,2cyclictest11295-21kworker/u8:107:46:051
2943199130,3cyclictest11868-21if_err_eth009:05:141
2943199130,2cyclictest0-21swapper/112:34:191
2943199130,2cyclictest0-21swapper/111:25:261
2943199130,2cyclictest0-21swapper/110:16:581
2943199130,2cyclictest0-21swapper/107:51:021
2943199130,12cyclictest0-21swapper/110:42:281
2943199130,12cyclictest0-21swapper/109:39:481
2943199130,12cyclictest0-21swapper/109:22:371
2943199130,11cyclictest23779-21apt-get12:10:091
2943199130,11cyclictest0-21swapper/108:45:001
2943099133,6cyclictest0-21swapper/008:06:010
29430991310,2cyclictest28408-21ssh11:40:250
29430991310,2cyclictest0-21swapper/012:00:180
29430991310,2cyclictest0-21swapper/011:37:190
29430991310,2cyclictest0-21swapper/011:30:410
29430991310,2cyclictest0-21swapper/010:46:180
29430991310,2cyclictest0-21swapper/009:52:170
29430991310,2cyclictest0-21swapper/008:55:180
2943099130,2cyclictest31379-21sh09:28:390
2943099130,2cyclictest0-21swapper/012:31:210
2943099130,2cyclictest0-21swapper/011:20:460
2943099130,2cyclictest0-21swapper/010:51:490
2943099130,2cyclictest0-21swapper/009:36:370
2943099130,2cyclictest0-21swapper/009:20:290
2943099130,2cyclictest0-21swapper/007:51:020
2943099130,12cyclictest0-21swapper/012:24:490
2943099130,12cyclictest0-21swapper/012:05:480
2943099130,12cyclictest0-21swapper/010:26:470
2943099130,12cyclictest0-21swapper/010:21:390
2943099130,12cyclictest0-21swapper/008:36:040
216572130,2sleep00-21swapper/009:18:290
207352130,2sleep10-21swapper/109:50:411
34192120,1sleep30-21swapper/310:40:203
2943399129,2cyclictest0-21swapper/311:25:313
2943399129,2cyclictest0-21swapper/310:46:013
2943399129,2cyclictest0-21swapper/310:12:313
2943399129,2cyclictest0-21swapper/307:40:303
2943399122,7cyclictest0-21swapper/308:45:023
2943399122,6cyclictest0-21swapper/307:46:033
2943399121,9cyclictest0-21swapper/311:10:123
2943399121,3cyclictest11032-21ssh10:15:033
2943399120,2cyclictest0-21swapper/312:11:523
2943399120,2cyclictest0-21swapper/312:07:303
2943399120,2cyclictest0-21swapper/311:40:003
2943399120,2cyclictest0-21swapper/308:50:183
2943399120,11cyclictest0-21swapper/311:53:513
2943399120,11cyclictest0-21swapper/311:46:423
2943399120,11cyclictest0-21swapper/309:35:513
2943399120,11cyclictest0-21swapper/309:30:203
2943299129,2cyclictest0-21swapper/212:30:352
2943299129,2cyclictest0-21swapper/210:08:052
2943299129,2cyclictest0-21swapper/210:08:052
2943299129,2cyclictest0-21swapper/210:04:132
2943299129,2cyclictest0-21swapper/208:56:022
2943299120,2cyclictest0-21swapper/211:42:562
2943299120,2cyclictest0-21swapper/211:25:162
2943299120,2cyclictest0-21swapper/210:20:322
2943299120,11cyclictest0-21swapper/212:17:442
2943299120,11cyclictest0-21swapper/212:01:462
2943299120,11cyclictest0-21swapper/211:58:022
2943299120,11cyclictest0-21swapper/211:12:332
2943299120,11cyclictest0-21swapper/210:45:032
2943299120,11cyclictest0-21swapper/210:18:042
2943199129,2cyclictest9225-21kworker/u8:109:15:051
2943199128,2cyclictest0-21swapper/108:40:001
2943199122,5cyclictest0-21swapper/108:59:591
2943199120,2cyclictest0-21swapper/109:32:181
2943199120,11cyclictest0-21swapper/107:30:181
2943199120,10cyclictest0-21swapper/111:30:191
2943199120,10cyclictest0-21swapper/110:10:051
2943199120,10cyclictest0-21swapper/108:25:191
2943099129,2cyclictest13039-21diskmemload11:50:100
2943099129,2cyclictest0-21swapper/011:46:280
2943099129,2cyclictest0-21swapper/011:07:220
2943099129,2cyclictest0-21swapper/010:35:010
2943099129,2cyclictest0-21swapper/008:20:120
2943099129,2cyclictest0-21swapper/007:15:160
2943099128,2cyclictest0-21swapper/007:25:160
2943099120,2cyclictest31144-21ssh11:10:110
2943099120,2cyclictest0-21swapper/010:12:520
2943099120,2cyclictest0-21swapper/009:10:220
2943099120,11cyclictest0-21swapper/012:10:570
2943099120,11cyclictest0-21swapper/010:41:050
2943099120,11cyclictest0-21swapper/008:46:040
272632120,2sleep10-21swapper/109:57:451
256802120,2sleep113039-21diskmemload11:04:281
2943399118,2cyclictest0-21swapper/308:10:203
2943399118,2cyclictest0-21swapper/307:15:113
2943399111,8cyclictest0-21swapper/311:57:133
2943399111,8cyclictest0-21swapper/309:25:143
2943399110,2cyclictest0-21swapper/312:16:323
2943399110,10cyclictest0-21swapper/309:50:323
2943299118,2cyclictest0-21swapper/208:50:122
2943299116,3cyclictest31589-21cut08:35:142
2943299113,5cyclictest0-21swapper/207:31:012
2943299111,8cyclictest0-21swapper/207:40:172
2943199118,2cyclictest0-21swapper/112:05:081
2943199118,2cyclictest0-21swapper/107:20:411
2943199117,2cyclictest12014-21munin-node1
2943199116,3cyclictest3580-21tr07:25:141
2943199116,3cyclictest28718-21ntp_states09:25:191
2943199112,5cyclictest0-21swapper/107:15:001
2943199111,8cyclictest29021-21diskstats12:15:141
2943199111,8cyclictest15150-21apt-get07:55:121
2943199111,8cyclictest0-21swapper/108:45:191
2943199111,3cyclictest941-21munin-node1
2943199111,3cyclictest7490-21munin-node1
2943199110,9cyclictest0-21swapper/111:05:111
2943199110,9cyclictest0-21swapper/108:50:121
2943199110,9cyclictest0-21swapper/108:20:121
2943199110,9cyclictest0-21swapper/108:03:171
2943199110,2cyclictest0-21swapper/112:03:581
2943099118,2cyclictest0-21swapper/008:15:160
2943099118,2cyclictest0-21swapper/007:30:290
2943099112,6cyclictest0-21swapper/009:08:590
2943099111,6cyclictest0-21swapper/007:13:190
2943099110,10cyclictest0-21swapper/008:12:070
2943399107,2cyclictest0-21swapper/308:55:303
2943399102,7cyclictest0-21swapper/311:04:023
2943399102,7cyclictest0-21swapper/307:54:013
2943399101,3cyclictest0-21swapper/308:05:173
2943299107,2cyclictest0-21swapper/208:30:122
2943299105,3cyclictest1493-21tr07:20:142
2943299105,3cyclictest11380-21grep07:45:142
2943299101,7cyclictest27680-21grep08:25:142
2943199107,2cyclictest207150irq/24-eth111:47:571
2943199105,3cyclictest9494-21df07:40:131
2943199105,3cyclictest5996-21munin-run10:10:011
2943199105,3cyclictest5996-21munin-run10:10:001
2943199102,5cyclictest0-21swapper/108:34:581
2943199100,8cyclictest9500-21tr09:00:131
2943199100,3cyclictest15933-21munin-node1
2943199100,2cyclictest0-21swapper/108:09:591
2943099102,7cyclictest0-21swapper/008:03:590
2943099102,5cyclictest0-21swapper/007:38:590
294339994,3cyclictest4583-21swap07:26:023
294339994,3cyclictest3728-21runrttasks09:07:583
294339994,3cyclictest31065-21chrt08:33:033
294339994,3cyclictest24571-21switchtime08:16:023
294339994,3cyclictest17955-21cat08:00:183
294339992,4cyclictest0-21swapper/307:36:593
294329996,2cyclictest16516-21kworker/u8:008:13:052
294329994,3cyclictest3105-21aten2.4-expect08:45:122
294329994,3cyclictest26646-21timerandwakeup08:21:012
294329994,3cyclictest19444-21aten2.4_r3power08:05:142
294329994,3cyclictest10650-21unixbench_singl09:01:032
294319990,8cyclictest0-21swapper/107:10:171
294319990,3cyclictest3649-21snmpd08:10:161
294309996,2cyclictest29435-21apt-get08:30:110
294309990,8cyclictest0-21swapper/008:43:590
5187280,1sleep00-21swapper/008:50:040
294339983,3cyclictest1370-21aten2.4_r3power07:20:143
294309981,3cyclictest10497-21unixbench_multi07:41:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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