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2025-12-15 - 16:21

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 Mon Dec 15, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285121490,3sleep12997799cyclictest09:32:481
29788212096,19sleep00-21swapper/007:07:560
604421190,1sleep20-21swapper/207:30:122
29696211295,12sleep10-21swapper/107:06:441
29697211092,12sleep20-21swapper/207:06:452
29621210790,12sleep30-21swapper/307:05:473
251802770,0sleep20-21swapper/212:24:572
90542700,0sleep10-21swapper/109:40:021
273902690,0sleep10-21swapper/108:20:191
192352680,0sleep30-21swapper/310:26:013
2997999310,29cyclictest0-21swapper/310:35:123
217212260,0sleep10-21swapper/111:43:191
2997899255,18cyclictest0-21swapper/210:10:122
2997999200,2cyclictest0-21swapper/310:40:123
240772200,1sleep10-21swapper/111:45:241
179372200,1sleep20-21swapper/211:39:232
2997899160,3cyclictest0-21swapper/208:54:592
2997899160,14cyclictest0-21swapper/210:40:122
2997799162,8cyclictest0-21swapper/110:15:001
2997799162,8cyclictest0-21swapper/107:45:001
2997799162,8cyclictest0-21swapper/107:45:001
2997799160,2cyclictest0-21swapper/110:40:121
2997699160,14cyclictest0-21swapper/011:43:540
2997699160,14cyclictest0-21swapper/009:10:130
2997999151,12cyclictest31182-21memory08:30:163
29979991510,3cyclictest27794-21munin-node3
29979991510,3cyclictest0-21swapper/308:05:193
29978991510,3cyclictest19657-21cat09:15:162
2997899150,13cyclictest13663-21sed10:20:162
2997799152,7cyclictest0-21swapper/109:50:001
2997799151,12cyclictest14478-21ssh12:11:151
29977991510,3cyclictest6098-21ssh12:02:061
29977991510,3cyclictest0-21swapper/112:25:171
29977991510,3cyclictest0-21swapper/108:15:151
2997799150,13cyclictest10708-21sh12:07:181
2997699151,9cyclictest14046-21diskmemload11:10:230
2997699151,12cyclictest12066-21ssh12:09:480
29976991510,3cyclictest6319-21ssh10:12:160
29976991510,3cyclictest0-21swapper/012:27:400
2997699150,2cyclictest0-21swapper/009:52:430
2997699150,13cyclictest14046-21diskmemload12:34:370
2997699150,13cyclictest0-21swapper/012:22:130
2997699150,13cyclictest0-21swapper/012:19:240
2997699150,13cyclictest0-21swapper/011:00:120
2997699150,13cyclictest0-21swapper/009:39:110
2997699150,12cyclictest0-21swapper/009:33:580
68252140,2sleep00-21swapper/010:50:000
2997999149,3cyclictest1002-21munin-node3
29979991411,2cyclictest0-21swapper/311:30:173
29979991411,2cyclictest0-21swapper/309:52:093
29979991410,2cyclictest7915-21ssh11:26:583
2997999140,3cyclictest936-21ps09:30:183
2997999140,12cyclictest0-21swapper/312:22:563
2997999140,12cyclictest0-21swapper/312:10:053
2997999140,12cyclictest0-21swapper/312:05:343
2997999140,12cyclictest0-21swapper/311:06:043
2997999140,12cyclictest0-21swapper/308:40:123
29978991411,2cyclictest21547-21kworker/u8:011:47:042
2997899140,13cyclictest27244-21kworker/u8:212:16:042
2997899140,12cyclictest0-21swapper/208:45:172
2997799142,6cyclictest0-21swapper/108:10:001
2997799141,3cyclictest0-21swapper/111:20:231
2997799141,2cyclictest7458-21runrttasks09:50:191
29977991411,2cyclictest14046-21diskmemload09:22:031
2997799141,11cyclictest0-21swapper/107:50:581
29977991410,2cyclictest0-21swapper/107:55:541
2997799140,12cyclictest25031-21kworker/u8:110:45:201
2997799140,12cyclictest17918-21ssh11:01:061
2997799140,12cyclictest14046-21diskmemload09:58:401
2997799140,12cyclictest14046-21diskmemload09:17:371
2997799140,12cyclictest0-21swapper/111:25:191
2997799140,12cyclictest0-21swapper/111:08:451
2997799140,12cyclictest0-21swapper/109:35:251
2997799140,12cyclictest0-21swapper/107:20:121
2997699149,3cyclictest0-21swapper/011:17:220
2997699149,3cyclictest0-21swapper/010:32:130
2997699149,3cyclictest0-21swapper/008:52:560
2997699142,6cyclictest0-21swapper/009:00:010
2997699141,2cyclictest16468-21ssh10:24:010
29976991411,2cyclictest0-21swapper/009:57:430
2997699140,2cyclictest0-21swapper/009:41:330
2997699140,13cyclictest0-21swapper/010:18:130
2997699140,12cyclictest14046-21diskmemload10:28:060
2997699140,12cyclictest0-21swapper/010:50:260
2997999138,3cyclictest23353-21iostat_ios09:55:163
29979991310,2cyclictest21501-21ssh11:42:553
29979991310,2cyclictest0-21swapper/312:26:173
29979991310,2cyclictest0-21swapper/312:01:503
29979991310,2cyclictest0-21swapper/311:48:583
29979991310,2cyclictest0-21swapper/310:05:503
29979991310,2cyclictest0-21swapper/309:49:493
29979991310,2cyclictest0-21swapper/309:21:073
29979991310,2cyclictest0-21swapper/307:45:153
2997999130,2cyclictest14046-21diskmemload11:52:173
2997999130,2cyclictest14046-21diskmemload10:21:143
2997999130,2cyclictest0-21swapper/310:50:243
2997999130,11cyclictest0-21swapper/309:18:133
29978991310,2cyclictest0-21swapper/209:56:232
2997899130,12cyclictest0-21swapper/209:52:232
2997899130,11cyclictest0-21swapper/211:41:582
2997899130,11cyclictest0-21swapper/210:05:172
2997799132,7cyclictest0-21swapper/108:30:011
2997799131,4cyclictest14046-21diskmemload11:30:261
29977991310,2cyclictest5297-21kworker/u8:210:51:041
29977991310,2cyclictest4159-21kworker/u8:009:05:041
29977991310,2cyclictest27244-21kworker/u8:212:15:041
29977991310,2cyclictest14046-21diskmemload12:21:011
29977991310,2cyclictest0-21swapper/111:51:111
29977991310,2cyclictest0-21swapper/111:36:531
29977991310,2cyclictest0-21swapper/110:57:501
29977991310,2cyclictest0-21swapper/110:34:081
29977991310,2cyclictest0-21swapper/110:25:271
29977991310,2cyclictest0-21swapper/110:05:141
29977991310,2cyclictest0-21swapper/108:50:031
29977991310,2cyclictest0-21swapper/108:45:251
2997799130,2cyclictest0-21swapper/112:30:411
2997799130,2cyclictest0-21swapper/111:56:221
2997799130,2cyclictest0-21swapper/110:22:051
2997799130,2cyclictest0-21swapper/110:00:261
2997799130,12cyclictest0-21swapper/112:36:531
2997799130,12cyclictest0-21swapper/109:10:191
2997799130,12cyclictest0-21swapper/107:15:151
2997799130,11cyclictest0-21swapper/110:35:201
2997799130,11cyclictest0-21swapper/108:55:221
2997699138,3cyclictest0-21swapper/008:30:000
2997699132,6cyclictest0-21swapper/011:30:000
2997699132,6cyclictest0-21swapper/008:40:010
2997699132,6cyclictest0-21swapper/007:20:000
2997699131,7cyclictest14046-21diskmemload09:20:000
2997699131,3cyclictest15946-21ssh11:35:440
29976991310,2cyclictest14046-21diskmemload09:46:130
29976991310,2cyclictest0-21swapper/012:36:250
29976991310,2cyclictest0-21swapper/012:13:240
29976991310,2cyclictest0-21swapper/011:27:100
29976991310,2cyclictest0-21swapper/011:06:210
29976991310,2cyclictest0-21swapper/010:37:460
29976991310,2cyclictest0-21swapper/009:28:110
29976991310,2cyclictest0-21swapper/008:45:200
29976991310,2cyclictest0-21swapper/008:30:140
2997699130,2cyclictest0-21swapper/009:15:460
2997699130,1cyclictest0-21swapper/010:09:130
2997699130,12cyclictest0-21swapper/011:46:040
2997699130,12cyclictest0-21swapper/010:02:230
2997699130,11cyclictest0-21swapper/011:55:390
2997999129,2cyclictest0-21swapper/312:35:163
2997999120,2cyclictest0-21swapper/312:30:143
2997999120,2cyclictest0-21swapper/312:16:403
2997999120,2cyclictest0-21swapper/311:11:193
2997999120,2cyclictest0-21swapper/311:03:563
2997999120,2cyclictest0-21swapper/310:11:053
2997999120,2cyclictest0-21swapper/310:02:283
2997999120,2cyclictest0-21swapper/309:25:503
2997999120,2cyclictest0-21swapper/308:35:203
2997999120,11cyclictest16577-21ssh09:11:343
2997999120,11cyclictest0-21swapper/311:58:553
2997999120,11cyclictest0-21swapper/311:36:463
2997999120,11cyclictest0-21swapper/310:46:543
2997999120,11cyclictest0-21swapper/310:30:553
2997999120,11cyclictest0-21swapper/310:16:083
2997999120,11cyclictest0-21swapper/309:36:583
2997999120,11cyclictest0-21swapper/309:00:263
2997999120,10cyclictest14046-21diskmemload11:16:033
2997899129,2cyclictest18165-21kworker/u8:210:16:042
2997899129,2cyclictest15207-21ssh09:45:272
2997899129,2cyclictest0-21swapper/212:35:252
2997899129,2cyclictest0-21swapper/211:15:462
2997899129,2cyclictest0-21swapper/210:27:132
2997899128,2cyclictest14693-21smartctl07:50:152
2997899122,7cyclictest28365-21ssh10:00:252
2997899122,6cyclictest0-21swapper/211:20:252
2997899122,5cyclictest0-21swapper/208:30:012
2997899120,2cyclictest0-21swapper/212:26:352
2997899120,2cyclictest0-21swapper/211:34:232
2997899120,2cyclictest0-21swapper/210:45:442
2997899120,2cyclictest0-21swapper/207:45:162
2997899120,10cyclictest0-21swapper/211:55:432
2997899120,10cyclictest0-21swapper/211:50:422
2997899120,10cyclictest0-21swapper/211:04:402
2997899120,10cyclictest0-21swapper/209:35:302
2997899120,10cyclictest0-21swapper/209:31:422
2997799129,2cyclictest30397-21kworker/u8:008:38:041
2997799129,2cyclictest1815-21kworker/u8:207:26:041
2997799129,2cyclictest0-21swapper/110:15:221
2997799122,7cyclictest0-21swapper/108:14:581
2997799121,9cyclictest0-21swapper/107:35:151
2997799121,9cyclictest0-21swapper/107:10:111
2997799120,2cyclictest0-21swapper/111:15:301
2997799120,2cyclictest0-21swapper/111:10:191
2997799120,2cyclictest0-21swapper/108:40:181
2997799120,2cyclictest0-21swapper/108:00:211
2997799120,11cyclictest0-21swapper/109:25:271
2997799120,11cyclictest0-21swapper/108:30:121
2997799120,10cyclictest0-21swapper/107:45:231
2997699129,2cyclictest0-21swapper/011:51:500
2997699129,2cyclictest0-21swapper/011:20:170
2997699129,2cyclictest0-21swapper/010:40:590
2997699129,2cyclictest0-21swapper/007:35:210
2997699122,7cyclictest7427-21metacity08:03:580
2997699120,11cyclictest0-21swapper/012:00:120
2997699120,11cyclictest0-21swapper/009:00:250
258762120,2sleep20-21swapper/209:22:042
134112120,1sleep014046-21diskmemload10:55:530
90992110,2sleep20-21swapper/210:50:582
2997999118,2cyclictest0-21swapper/310:58:353
2997999118,2cyclictest0-21swapper/307:50:073
2997999118,2cyclictest0-21swapper/307:30:133
2997999118,2cyclictest0-21swapper/307:20:173
2997999112,7cyclictest0-21swapper/307:40:233
2997999112,7cyclictest0-21swapper/307:40:233
2997999112,5cyclictest0-21swapper/309:10:003
2997999111,6cyclictest0-21swapper/308:15:113
2997999111,5cyclictest0-21swapper/307:15:003
2997999111,3cyclictest10021-21tr08:59:593
2997899118,2cyclictest30837-21kworker/u8:010:56:042
2997899118,2cyclictest30397-21kworker/u8:008:37:042
2997899118,2cyclictest29923-21kworker/u8:007:11:042
2997899118,2cyclictest27244-21kworker/u8:212:06:042
2997899118,2cyclictest16218-21kworker/u8:007:59:042
2997899118,2cyclictest0-21swapper/210:30:342
2997899110,9cyclictest10766-21awk07:40:162
2997899110,9cyclictest10766-21awk07:40:162
2997899110,6cyclictest0-21swapper/208:15:012
2997899110,2cyclictest14046-21diskmemload12:33:372
2997899110,2cyclictest0-21swapper/212:13:562
2997899110,2cyclictest0-21swapper/212:02:122
2997899110,2cyclictest0-21swapper/211:09:482
2997899110,2cyclictest0-21swapper/210:35:552
2997899110,10cyclictest0-21swapper/211:26:462
2997899110,10cyclictest0-21swapper/209:43:162
2997899110,10cyclictest0-21swapper/209:27:052
2997899110,10cyclictest0-21swapper/209:10:372
2997899110,10cyclictest0-21swapper/208:55:152
2997799118,2cyclictest4159-21kworker/u8:009:04:041
2997799110,9cyclictest0-21swapper/107:30:121
2997699112,6cyclictest0-21swapper/009:08:010
2997699111,6cyclictest0-21swapper/008:15:220
2997699110,2cyclictest0-21swapper/007:20:150
2997699110,10cyclictest0-21swapper/007:45:200
2997999107,2cyclictest0-21swapper/307:35:133
2997999105,3cyclictest1031-21ls07:15:263
2997999102,6cyclictest0-21swapper/309:40:233
2997999101,5cyclictest0-21swapper/308:15:003
2997999101,5cyclictest0-21swapper/308:05:003
2997999101,5cyclictest0-21swapper/308:00:003
2997899107,2cyclictest0-21swapper/211:11:112
2997899102,6cyclictest0-21swapper/208:00:242
2997899102,6cyclictest0-21swapper/207:20:222
2997699107,2cyclictest0-21swapper/008:20:160
2997699107,2cyclictest0-21swapper/007:25:160
2997699105,3cyclictest277-21jbd2/sda1-808:10:060
2997699104,4cyclictest30630-21grep07:10:100
2997699102,7cyclictest0-21swapper/008:42:580
2997699102,6cyclictest0-21swapper/007:55:230
2997699101,7cyclictest0-21swapper/007:32:380
2997699101,5cyclictest0-21swapper/007:50:100
299799996,2cyclictest0-21swapper/308:49:593
299799994,3cyclictest6150-21aten2.4-expect08:50:123
299799991,6cyclictest0-21swapper/307:25:233
299789996,2cyclictest19789-21kworker/u8:208:20:042
299789995,2cyclictest3907-21aten2.4-expect07:25:132
299789994,3cyclictest8047-21packagekitd07:35:042
299789994,3cyclictest30751-21df_abs08:30:132
299789994,3cyclictest20440-21aten2.4-expect08:05:132
299789994,3cyclictest1988-21aten2.4_r3power08:40:132
299789991,6cyclictest0-21swapper/208:17:492
299769994,3cyclictest0-21swapper/007:40:110
299769994,3cyclictest0-21swapper/007:40:100
299799983,3cyclictest28474-21cut08:25:123
299789985,2cyclictest0-21swapper/209:00:152
299789983,3cyclictest12859-21hwlatdetect09:05:172
299789980,7cyclictest0-21swapper/207:17:132
299769983,3cyclictest20573-21ls08:05:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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