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2026-06-05 - 14:32

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 Fri Jun 05, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19765211896,16sleep30-21swapper/307:09:233
19765211896,16sleep30-21swapper/307:09:233
19633211497,12sleep10-21swapper/107:07:411
19633211497,12sleep10-21swapper/107:07:401
190422114103,6sleep00-21swapper/007:05:270
190422114103,6sleep00-21swapper/007:05:270
191852112100,6sleep20-21swapper/207:06:012
191852112100,6sleep20-21swapper/207:06:012
127802770,0sleep00-21swapper/010:59:570
116012770,2sleep337-21rcuc/310:25:003
3022740,0sleep30-21swapper/310:12:583
43962570,0sleep30-21swapper/312:31:593
1984599220,2cyclictest0-21swapper/309:11:513
171242220,0sleep10-21swapper/109:23:221
1984599211,3cyclictest10342-21ssh09:15:543
1984599211,2cyclictest7007-21ssh09:45:573
1984599210,3cyclictest21847-21cut10:35:153
1984599210,3cyclictest15636-21users09:21:033
1984599210,3cyclictest0-21swapper/311:35:193
1984599210,3cyclictest0-21swapper/311:08:223
1984599210,3cyclictest0-21swapper/310:50:193
1984599210,19cyclictest0-21swapper/311:28:033
197582210,1sleep337-21rcuc/311:40:163
1984599201,3cyclictest0-21swapper/307:55:093
1984599200,3cyclictest8900-21perl10:55:153
1984599200,3cyclictest822-21ssh10:46:313
1984599200,3cyclictest6416-21ssh10:19:433
1984599200,3cyclictest13763-21hddtemp_smartct11:00:153
1984599200,3cyclictest0-21swapper/311:45:153
1984599200,3cyclictest0-21swapper/311:18:273
1984599200,3cyclictest0-21swapper/310:40:153
1984599200,3cyclictest0-21swapper/307:30:113
1984599200,3cyclictest0-21swapper/307:20:153
1984599200,3cyclictest0-21swapper/307:11:033
1984599200,18cyclictest0-21swapper/309:32:023
1984599191,16cyclictest0-21swapper/312:20:373
1984599190,3cyclictest19623-21apt-get10:00:073
1984599190,3cyclictest18619-21seq10:31:113
1984599190,3cyclictest1687-21sh09:40:313
1984599190,3cyclictest10028-21ssh12:38:233
1984599190,3cyclictest0-21swapper/311:13:033
1984599190,3cyclictest0-21swapper/308:45:153
1984599190,3cyclictest0-21swapper/307:25:153
1984599190,2cyclictest9399-21ssh12:03:583
1984599190,2cyclictest27231-21ssh10:06:473
1984599190,2cyclictest0-21swapper/311:51:553
1984599190,2cyclictest0-21swapper/311:30:423
1984599190,2cyclictest0-21swapper/309:57:433
1984599190,2cyclictest0-21swapper/309:25:033
1984599190,18cyclictest0-21swapper/312:18:423
1984599190,17cyclictest0-21swapper/311:57:193
19844991916,2cyclictest6052-21kworker/u8:009:12:042
19844991916,2cyclictest1829-21kworker/u8:209:24:042
1984599180,3cyclictest23935-21turbostat08:44:553
1984599180,2cyclictest0-21swapper/312:26:153
1984599180,2cyclictest0-21swapper/312:10:153
1984599180,2cyclictest0-21swapper/312:05:113
1984599180,2cyclictest0-21swapper/311:21:473
1984599180,2cyclictest0-21swapper/309:50:353
1984599180,2cyclictest0-21swapper/309:35:033
1984599180,2cyclictest0-21swapper/308:12:193
19844991815,2cyclictest9316-21kworker/u8:110:10:052
19843991813,3cyclictest13167-21aten2.4_r3power11:00:121
19845991711,5cyclictest0-21swapper/308:05:013
1984599170,3cyclictest0-21swapper/309:00:113
1984599170,2cyclictest11758-21ssh10:25:113
1984599170,2cyclictest0-21swapper/308:36:233
1984599170,2cyclictest0-21swapper/308:31:033
19844991714,2cyclictest8541-21kworker/u8:212:13:042
19844991714,2cyclictest6052-21kworker/u8:009:26:052
19844991714,2cyclictest20996-21kworker/u8:211:17:042
1984599160,2cyclictest0-21swapper/308:56:073
1984599160,2cyclictest0-21swapper/308:26:393
1984599160,2cyclictest0-21swapper/308:15:433
1984599160,2cyclictest0-21swapper/307:50:193
1984599160,2cyclictest0-21swapper/307:45:153
1984599160,2cyclictest0-21swapper/307:41:273
1984599160,2cyclictest0-21swapper/307:15:153
19844991613,2cyclictest9316-21kworker/u8:110:04:052
19844991613,2cyclictest28258-21kworker/u8:111:51:042
19844991613,2cyclictest26633-21kworker/u8:112:33:042
1984399161,4cyclictest207150irq/24-eth111:45:161
19843991613,2cyclictest0-21swapper/111:40:101
1984399160,15cyclictest0-21swapper/110:33:001
1984399160,14cyclictest18663-21cpu09:25:131
1984399160,14cyclictest12996-21ssh10:25:341
1984399160,14cyclictest0-21swapper/112:30:121
1984399160,14cyclictest0-21swapper/107:10:501
1984599151,4cyclictest28547-21df_abs08:50:133
1984599150,2cyclictest0-21swapper/309:05:073
1984599150,2cyclictest0-21swapper/308:00:513
1984599150,13cyclictest31552-21cat07:36:083
1984499151,3cyclictest0-21swapper/207:31:012
19844991512,2cyclictest9316-21kworker/u8:109:50:042
19844991512,2cyclictest8541-21kworker/u8:212:17:042
19844991512,2cyclictest25791-21kworker/u8:110:43:042
19844991512,2cyclictest20996-21kworker/u8:211:24:042
1984499151,12cyclictest29410-21ssh09:35:372
1984499151,12cyclictest0-21swapper/212:06:492
1984499150,3cyclictest6395-21latency12:00:152
1984499150,3cyclictest0-21swapper/210:18:162
1984499150,2cyclictest3611-21diskmemload10:48:542
1984499150,13cyclictest13601-21diskmemload11:34:442
1984499150,13cyclictest0-21swapper/210:30:182
1984499150,13cyclictest0-21swapper/209:46:042
19843991511,2cyclictest0-21swapper/108:35:001
1984399150,3cyclictest0-21swapper/110:41:291
1984399150,14cyclictest0-21swapper/111:35:401
1984399150,14cyclictest0-21swapper/109:52:301
1984399150,13cyclictest7339-21ssh10:53:571
1984399150,13cyclictest5127-21ssh09:10:201
1984399150,13cyclictest21302-21sh11:08:231
1984399150,13cyclictest0-21swapper/110:57:541
1984299151,12cyclictest1764-21apt-get09:05:100
288312140,2sleep03611-21diskmemload12:24:350
1984599141,3cyclictest0-21swapper/308:20:133
19844991411,2cyclictest5762-21kworker/u8:011:48:042
19844991411,2cyclictest3611-21diskmemload10:35:342
19844991411,2cyclictest25791-21kworker/u8:111:00:052
19844991411,2cyclictest15633-21kworker/u8:008:32:042
19844991411,2cyclictest0-21swapper/212:26:042
1984499140,2cyclictest0-21swapper/211:56:442
1984499140,2cyclictest0-21swapper/209:59:042
1984499140,2cyclictest0-21swapper/209:43:032
1984499140,13cyclictest3611-21diskmemload11:37:142
1984499140,13cyclictest0-21swapper/211:42:142
1984499140,13cyclictest0-21swapper/209:31:342
1984499140,12cyclictest0-21swapper/210:22:382
1984499140,12cyclictest0-21swapper/209:15:142
1984399149,4cyclictest0-21swapper/107:50:151
1984399148,4cyclictest0-21swapper/111:16:231
1984399143,9cyclictest21-21rcuc/111:10:111
19843991411,2cyclictest0-21swapper/107:45:411
19843991410,3cyclictest0-21swapper/110:12:001
19843991410,3cyclictest0-21swapper/109:36:591
1984399140,2cyclictest0-21swapper/108:15:001
1984399140,13cyclictest0-21swapper/112:01:001
1984399140,13cyclictest0-21swapper/110:46:201
1984399140,13cyclictest0-21swapper/107:40:151
1984399140,12cyclictest0-21swapper/112:35:281
1984399140,12cyclictest0-21swapper/111:26:431
1984399140,12cyclictest0-21swapper/110:00:061
19842991411,2cyclictest3788-21kworker/u8:009:46:040
19842991410,2cyclictest0-21swapper/009:20:120
1984299140,12cyclictest3611-21diskmemload09:56:000
1984299140,12cyclictest24138-21hostname07:20:110
1984299140,12cyclictest0-21swapper/010:44:380
1984299140,12cyclictest0-21swapper/009:14:330
131442140,0sleep10-21swapper/109:19:411
214282130,2sleep00-21swapper/009:27:350
1984499138,3cyclictest23146-21grep11:10:142
19844991310,2cyclictest30318-21kworker/u8:007:56:052
19844991310,2cyclictest14363-21grep08:15:122
19844991310,2cyclictest0-21swapper/211:06:352
19844991310,2cyclictest0-21swapper/210:52:152
19844991310,2cyclictest0-21swapper/207:46:052
1984499130,2cyclictest0-21swapper/212:22:152
1984499130,2cyclictest0-21swapper/211:26:402
1984499130,2cyclictest0-21swapper/210:05:172
1984499130,1cyclictest0-21swapper/212:36:042
1984499130,12cyclictest0-21swapper/210:56:542
1984499130,12cyclictest0-21swapper/210:26:242
1984499130,12cyclictest0-21swapper/208:55:122
1984499130,12cyclictest0-21swapper/208:35:172
1984499130,12cyclictest0-21swapper/207:15:162
1984399139,3cyclictest0-21swapper/110:35:131
1984399139,3cyclictest0-21swapper/110:20:111
1984399138,4cyclictest3611-21diskmemload11:20:241
1984399137,4cyclictest207150irq/24-eth110:05:121
19843991310,2cyclictest0-21swapper/111:57:301
19843991310,2cyclictest0-21swapper/111:51:101
1984399130,2cyclictest1928-21apt-get10:15:101
1984399130,2cyclictest0-21swapper/107:25:151
1984399130,12cyclictest0-21swapper/112:27:001
1984399130,12cyclictest0-21swapper/112:23:521
1984399130,12cyclictest0-21swapper/112:11:281
1984399130,12cyclictest0-21swapper/109:56:301
1984399130,12cyclictest0-21swapper/109:43:321
1984399130,12cyclictest0-21swapper/109:31:191
1984399130,12cyclictest0-21swapper/108:35:201
1984399130,12cyclictest0-21swapper/108:05:011
1984399130,11cyclictest0-21swapper/112:07:521
1984399130,11cyclictest0-21swapper/109:45:061
1984399130,11cyclictest0-21swapper/109:05:121
1984399130,11cyclictest0-21swapper/108:20:191
19842991310,2cyclictest8541-21kworker/u8:212:28:040
19842991310,2cyclictest3611-21diskmemload12:39:530
19842991310,2cyclictest3611-21diskmemload11:02:260
19842991310,2cyclictest1163-21ssh10:47:020
19842991310,2cyclictest0-21swapper/012:08:150
19842991310,2cyclictest0-21swapper/010:39:340
19842991310,2cyclictest0-21swapper/010:24:160
19842991310,2cyclictest0-21swapper/010:15:160
19842991310,2cyclictest0-21swapper/008:05:160
19842991310,2cyclictest0-21swapper/007:50:140
19842991310,2cyclictest0-21swapper/007:43:010
1984299130,2cyclictest20102-21ssh10:00:120
1984299130,12cyclictest0-21swapper/012:11:080
1984299130,12cyclictest0-21swapper/012:04:280
1984299130,12cyclictest0-21swapper/011:41:340
1984299130,12cyclictest0-21swapper/011:10:370
1984299130,12cyclictest0-21swapper/009:50:480
1984299130,12cyclictest0-21swapper/008:01:020
1984299130,11cyclictest0-21swapper/009:40:050
1984499129,2cyclictest30318-21kworker/u8:007:36:032
1984499129,2cyclictest29130-21munin-node2
1984499129,2cyclictest15633-21kworker/u8:008:27:032
1984499129,2cyclictest13089-21kworker/u8:208:12:042
1984499129,2cyclictest0-21swapper/207:10:162
1984499120,11cyclictest0-21swapper/208:40:182
1984499120,11cyclictest0-21swapper/207:25:132
1984399129,2cyclictest0-21swapper/108:56:291
1984399128,3cyclictest0-21swapper/107:55:091
1984399126,4cyclictest0-21swapper/112:15:121
1984399120,2cyclictest0-21swapper/111:34:001
1984399120,2cyclictest0-21swapper/108:45:161
1984399120,2cyclictest0-21swapper/107:20:291
1984399120,1cyclictest0-21swapper/107:16:021
1984399120,11cyclictest0-21swapper/107:30:131
1984399120,10cyclictest24162-21munin-node1
1984399120,10cyclictest0-21swapper/107:35:141
1984299129,2cyclictest28258-21kworker/u8:111:50:010
1984299129,2cyclictest14689-21ssh11:35:150
1984299129,2cyclictest0-21swapper/011:55:460
1984299129,2cyclictest0-21swapper/011:45:400
1984299129,2cyclictest0-21swapper/011:25:110
1984299129,2cyclictest0-21swapper/008:35:190
1984299129,2cyclictest0-21swapper/008:15:130
1984299120,2cyclictest11732-21ssh10:25:090
1984299120,2cyclictest0-21swapper/012:32:350
1984299120,2cyclictest0-21swapper/010:10:470
1984299120,2cyclictest0-21swapper/009:15:340
1984299120,2cyclictest0-21swapper/008:25:130
1984299120,11cyclictest0-21swapper/012:15:080
1984299120,11cyclictest0-21swapper/011:33:220
1984299120,11cyclictest0-21swapper/011:23:260
1984299120,11cyclictest0-21swapper/011:17:180
1984299120,11cyclictest0-21swapper/011:08:360
1984299120,11cyclictest0-21swapper/010:50:140
1984299120,11cyclictest0-21swapper/010:06:440
1984299120,11cyclictest0-21swapper/009:39:380
1984299120,11cyclictest0-21swapper/009:30:370
1984299120,11cyclictest0-21swapper/008:20:160
1984299120,10cyclictest15633-21kworker/u8:008:40:030
180932120,2sleep00-21swapper/010:31:000
91202110,2sleep20-21swapper/208:00:492
1984499118,2cyclictest30318-21kworker/u8:007:44:042
1984499118,2cyclictest1829-21kworker/u8:209:08:042
1984499118,2cyclictest0-21swapper/208:45:172
1984399118,2cyclictest0-21swapper/108:16:031
1984399110,9cyclictest0-21swapper/108:50:151
1984299118,2cyclictest0-21swapper/008:50:180
1984299110,2cyclictest29374-21munin-node0
1984499107,2cyclictest0-21swapper/208:05:162
1984399100,2cyclictest0-21swapper/108:25:121
1984399100,2cyclictest0-21swapper/108:05:151
1984299100,9cyclictest25792-21kworker/u8:208:46:040
1984299100,9cyclictest21806-21kworker/u8:109:00:040
198449996,2cyclictest21806-21kworker/u8:109:02:042
198449996,2cyclictest15633-21kworker/u8:008:20:042
198449996,2cyclictest12086-21kworker/u8:007:22:042
198449993,4cyclictest4354-21sed07:50:162
198439996,2cyclictest0-21swapper/109:00:091
198429996,2cyclictest30318-21kworker/u8:007:55:040
198429991,7cyclictest318092sleep007:39:200
198429984,3cyclictest3728-21runrttasks07:45:350
198429984,3cyclictest23641-21seq07:17:200
198429984,3cyclictest20588-21fschecks_time07:10:140
198429984,3cyclictest20131-21apt-get08:30:100
198429980,6cyclictest26097-21taskset07:25:060
198429974,2cyclictest8067-21kworker/u8:108:10:040
198429973,3cyclictest30491-21cut08:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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