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2026-06-29 - 11:19

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 Jun 29, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13188211794,18sleep30-21swapper/319:05:263
13936211392,15sleep00-21swapper/019:09:390
13729210998,6sleep20-21swapper/219:07:012
13728210680,6sleep10-21swapper/119:07:001
4952690,0sleep20-21swapper/222:23:382
13990993514,2cyclictest0-21swapper/100:15:131
161182300,1sleep10-21swapper/119:14:591
1399299220,20cyclictest0-21swapper/322:30:123
1399299210,3cyclictest0-21swapper/300:15:133
1399199210,2cyclictest0-21swapper/220:35:112
1399199210,2cyclictest0-21swapper/220:35:102
1399199210,19cyclictest0-21swapper/219:35:132
1399099211,2cyclictest0-21swapper/119:45:121
1398999211,18cyclictest0-21swapper/000:35:130
1398999200,18cyclictest0-21swapper/019:35:110
1398999171,3cyclictest30110-21diskmemload23:11:340
13992991611,3cyclictest0-21swapper/323:55:143
1399199160,13cyclictest0-21swapper/221:23:062
13990991611,3cyclictest30679-21hwlatdetect21:45:151
13990991611,3cyclictest22357-21aten2.4_r3power20:50:131
1399099161,13cyclictest0-21swapper/122:00:061
1399099160,3cyclictest0-21swapper/122:50:141
13989991611,3cyclictest29517-21rm22:20:110
1398999161,13cyclictest12340-21sensors_temp22:36:020
13989991611,3cyclictest0-21swapper/022:11:530
1398999160,14cyclictest32229-21timerwakeupswit21:11:030
1398999160,14cyclictest31662-21timerwakeupswit19:51:030
1399299151,12cyclictest3728-21runrttasks21:13:363
1399299151,12cyclictest15391-21df23:50:143
1399299151,12cyclictest15391-21df23:50:143
13992991511,2cyclictest0-21swapper/300:30:013
13992991510,3cyclictest26948-21ssh22:51:583
13992991510,3cyclictest12297-21ssh22:00:183
1399299150,3cyclictest24097-21copy19:35:003
1399299150,13cyclictest0-21swapper/321:15:193
1399199151,12cyclictest22740-21ssh00:33:462
1399199150,13cyclictest17469-21ssh23:51:582
1399199150,13cyclictest17469-21ssh23:51:582
1399199150,13cyclictest0-21swapper/222:07:052
1399099151,12cyclictest0-21swapper/119:30:161
1398999151,3cyclictest4354-21ssh00:13:440
13989991510,3cyclictest0-21swapper/023:51:050
13989991510,3cyclictest0-21swapper/023:51:040
13989991510,3cyclictest0-21swapper/023:00:170
13989991510,3cyclictest0-21swapper/000:21:170
1398999150,13cyclictest0-21swapper/021:47:540
33212140,2sleep00-21swapper/023:36:370
13992991411,2cyclictest0-21swapper/321:46:043
1399299141,12cyclictest0-21swapper/320:25:073
13992991411,2cyclictest0-21swapper/300:14:043
1399299140,3cyclictest9498-21ssh21:57:113
1399299140,3cyclictest19502-21ssh21:32:383
1399299140,12cyclictest25324-21ssh00:00:423
1399299140,12cyclictest1294-21ssh22:24:573
13991991411,2cyclictest11410-21kworker/u8:322:00:042
13991991411,2cyclictest0-21swapper/223:25:182
13991991411,2cyclictest0-21swapper/222:29:482
1399199141,11cyclictest14226-21apt-get00:25:132
13991991410,2cyclictest0-21swapper/221:36:042
13991991410,2cyclictest0-21swapper/219:40:112
1399199140,13cyclictest0-21swapper/222:34:282
1399199140,13cyclictest0-21swapper/220:00:172
1399199140,12cyclictest29335-21iostat_ios00:05:162
1399199140,12cyclictest0-21swapper/222:16:172
1399199140,12cyclictest0-21swapper/221:51:012
1399099144,7cyclictest3688-21Xorg22:44:591
13990991410,2cyclictest10474-21apt-get23:10:111
1399099140,2cyclictest0-21swapper/120:35:131
1399099140,2cyclictest0-21swapper/120:35:131
1399099140,12cyclictest0-21swapper/100:05:181
1398999149,3cyclictest1604-21ssh22:25:070
1398999149,3cyclictest0-21swapper/022:00:010
13989991411,2cyclictest0-21swapper/023:33:540
13989991411,2cyclictest0-21swapper/022:56:040
13989991411,2cyclictest0-21swapper/021:23:440
13989991411,2cyclictest0-21swapper/020:30:130
13989991411,2cyclictest0-21swapper/019:31:030
1398999140,3cyclictest10092-21sh23:44:550
1398999140,2cyclictest0-21swapper/023:22:340
1398999140,2cyclictest0-21swapper/021:52:040
1398999140,2cyclictest0-21swapper/021:00:120
1398999140,12cyclictest0-21swapper/023:08:240
228462130,1sleep337-21rcuc/321:36:023
13992991310,2cyclictest0-21swapper/323:40:043
13992991310,2cyclictest0-21swapper/323:30:143
13992991310,2cyclictest0-21swapper/323:23:203
13992991310,2cyclictest0-21swapper/322:55:143
13992991310,2cyclictest0-21swapper/322:40:183
13992991310,2cyclictest0-21swapper/322:39:283
13992991310,2cyclictest0-21swapper/322:12:223
13992991310,2cyclictest0-21swapper/321:41:003
13992991310,2cyclictest0-21swapper/321:20:113
13992991310,2cyclictest0-21swapper/319:51:043
13992991310,2cyclictest0-21swapper/300:30:283
1399299130,2cyclictest30110-21diskmemload00:21:013
1399299130,2cyclictest0-21swapper/323:26:183
1399299130,2cyclictest0-21swapper/319:55:153
1399299130,12cyclictest0-21swapper/323:13:283
1399299130,12cyclictest0-21swapper/323:08:323
1399299130,12cyclictest0-21swapper/323:00:413
1399299130,12cyclictest0-21swapper/322:27:203
1399299130,12cyclictest0-21swapper/322:18:193
1399299130,12cyclictest0-21swapper/321:53:333
1399299130,12cyclictest0-21swapper/300:37:253
1399199138,3cyclictest0-21swapper/219:20:172
1399199132,6cyclictest0-21swapper/220:55:002
13991991310,2cyclictest5755-21kworker/u8:123:46:052
13991991310,2cyclictest315-21kworker/u8:223:37:042
13991991310,2cyclictest22715-21kworker/u8:121:40:042
13991991310,2cyclictest14939-21kworker/u8:023:40:022
13991991310,2cyclictest0-21swapper/221:05:172
13991991310,2cyclictest0-21swapper/219:16:032
1399199130,2cyclictest28167-21ssh00:04:472
1399199130,2cyclictest17058-21diskstats21:30:152
1399199130,2cyclictest0-21swapper/220:20:012
1399199130,12cyclictest0-21swapper/223:24:482
1399199130,11cyclictest416-21sh22:59:132
1399199130,11cyclictest0-21swapper/222:36:152
1399199130,11cyclictest0-21swapper/221:55:122
1399099139,2cyclictest0-21swapper/123:45:011
1399099138,3cyclictest0-21swapper/122:15:181
1399099132,6cyclictest0-21swapper/119:20:001
1399099131,3cyclictest14226-21apt-get00:25:151
1399099131,3cyclictest0-21swapper/120:25:121
1399099131,10cyclictest31375-21unixbench_multi22:21:041
1399099131,10cyclictest0-21swapper/119:16:021
1399099130,11cyclictest0-21swapper/121:52:541
1398999132,6cyclictest0-21swapper/022:00:000
13989991310,2cyclictest0-21swapper/023:25:490
13989991310,2cyclictest0-21swapper/022:33:540
13989991310,2cyclictest0-21swapper/022:08:040
13989991310,2cyclictest0-21swapper/021:44:050
13989991310,2cyclictest0-21swapper/021:38:130
13989991310,2cyclictest0-21swapper/021:32:040
13989991310,2cyclictest0-21swapper/020:26:020
13989991310,2cyclictest0-21swapper/019:41:030
13989991310,2cyclictest0-21swapper/019:20:190
1398999130,2cyclictest22150irq/25-ahci[00000:15:160
1398999130,12cyclictest0-21swapper/023:45:450
1398999130,12cyclictest0-21swapper/022:44:140
1398999130,12cyclictest0-21swapper/022:19:040
1398999130,12cyclictest0-21swapper/021:27:540
1398999130,12cyclictest0-21swapper/021:19:140
1398999130,12cyclictest0-21swapper/019:55:140
1398999130,12cyclictest0-21swapper/019:16:030
1398999130,11cyclictest30110-21diskmemload00:05:170
1398999130,11cyclictest19319-21ssh00:30:130
1399299129,2cyclictest19553-21apt-get22:45:133
1399299129,2cyclictest0-21swapper/323:45:073
1399299129,2cyclictest0-21swapper/323:16:263
1399299129,2cyclictest0-21swapper/321:25:503
1399299129,2cyclictest0-21swapper/320:50:143
1399299129,2cyclictest0-21swapper/319:20:133
1399299122,6cyclictest0-21swapper/319:41:003
1399299120,2cyclictest0-21swapper/322:05:303
1399299120,2cyclictest0-21swapper/300:07:473
1399299120,11cyclictest0-21swapper/323:36:053
1399299120,11cyclictest0-21swapper/320:15:153
1399199129,2cyclictest0-21swapper/223:18:262
1399199129,2cyclictest0-21swapper/223:05:162
1399199129,2cyclictest0-21swapper/223:00:382
1399199129,2cyclictest0-21swapper/221:25:072
1399199129,2cyclictest0-21swapper/221:15:162
1399199129,2cyclictest0-21swapper/200:36:052
1399199129,2cyclictest0-21swapper/200:10:182
1399199127,3cyclictest18709-21cut20:40:132
1399199120,2cyclictest20234-21munin-node2
1399199120,2cyclictest0-21swapper/219:46:002
1399199120,2cyclictest0-21swapper/200:16:322
1399199120,11cyclictest0-21swapper/223:56:412
1399199120,11cyclictest0-21swapper/223:30:172
1399199120,11cyclictest0-21swapper/222:52:272
1399199120,11cyclictest0-21swapper/222:48:542
1399199120,11cyclictest0-21swapper/222:44:262
1399199120,11cyclictest0-21swapper/221:46:162
1399199120,11cyclictest0-21swapper/221:10:112
1399199120,11cyclictest0-21swapper/219:55:112
1399199120,11cyclictest0-21swapper/219:11:042
1399199120,10cyclictest13167-21ssh00:23:122
1399199120,10cyclictest0-21swapper/223:10:452
1399099129,2cyclictest0-21swapper/122:45:511
1399099128,2cyclictest0-21swapper/119:40:161
1399099128,2cyclictest0-21swapper/100:11:061
1399099127,3cyclictest30426-21munin-node1
1399099127,3cyclictest10148-21munin-node1
1399099121,9cyclictest6410-21cut20:10:141
1399099121,9cyclictest30110-21diskmemload22:35:161
1399099121,9cyclictest20011-21perl23:55:141
1399099121,9cyclictest10387-21diskstats00:20:121
1399099121,9cyclictest0-21swapper/123:35:141
1399099121,9cyclictest0-21swapper/123:30:141
1399099121,9cyclictest0-21swapper/123:15:191
1399099121,9cyclictest0-21swapper/123:00:171
1399099121,9cyclictest0-21swapper/121:55:121
1399099121,9cyclictest0-21swapper/121:05:141
1399099121,9cyclictest0-21swapper/120:15:121
1399099121,6cyclictest0-21swapper/120:55:111
1399099121,3cyclictest14201-21munin-node1
1399099121,3cyclictest0-21swapper/122:55:141
1399099121,3cyclictest0-21swapper/122:30:141
1399099121,3cyclictest0-21swapper/119:55:171
1399099121,3cyclictest0-21swapper/119:50:181
1399099121,3cyclictest0-21swapper/119:36:021
1399099120,2cyclictest0-21swapper/122:05:041
1399099120,2cyclictest0-21swapper/121:36:021
1399099120,2cyclictest0-21swapper/100:35:421
1399099120,11cyclictest0-21swapper/121:40:201
1399099120,11cyclictest0-21swapper/121:26:571
1399099120,10cyclictest0-21swapper/122:26:211
1398999129,2cyclictest0-21swapper/019:45:170
1398999129,2cyclictest0-21swapper/000:01:240
1398999127,3cyclictest30229-21date21:10:010
1398999123,5cyclictest0-21swapper/020:15:580
1398999120,2cyclictest0-21swapper/022:51:260
1398999120,11cyclictest0-21swapper/023:58:180
1398999120,11cyclictest0-21swapper/023:18:450
1398999120,11cyclictest0-21swapper/022:45:270
1398999120,11cyclictest0-21swapper/020:55:120
1398999120,11cyclictest0-21swapper/020:20:120
1398999120,11cyclictest0-21swapper/000:25:010
271872110,2sleep10-21swapper/123:27:431
1399299115,4cyclictest15942-21sshd19:14:263
1399299110,10cyclictest0-21swapper/320:45:293
1399199118,2cyclictest15971-21kworker/u8:219:33:042
1399199118,2cyclictest0-21swapper/222:10:132
1399199118,2cyclictest0-21swapper/220:25:132
1399199116,3cyclictest26342-21telnet21:00:122
1399199111,5cyclictest0-21swapper/220:55:012
1399099117,2cyclictest0-21swapper/120:05:141
1399099116,3cyclictest30110-21diskmemload23:50:141
1399099116,3cyclictest30110-21diskmemload23:50:131
1399099116,3cyclictest26308-21munin-node1
1399099111,8cyclictest0-21swapper/123:05:131
1399099111,8cyclictest0-21swapper/122:10:131
1399099111,8cyclictest0-21swapper/119:26:031
1399099111,3cyclictest0-21swapper/123:45:141
1399099111,3cyclictest0-21swapper/120:41:001
1399099111,2cyclictest0-21swapper/123:20:131
1399099111,2cyclictest0-21swapper/120:45:131
1399099110,9cyclictest0-21swapper/121:15:191
1399099110,10cyclictest0-21swapper/121:30:141
1399099110,10cyclictest0-21swapper/100:00:401
1398999118,2cyclictest0-21swapper/020:50:120
1398999116,3cyclictest17571-21grep20:36:030
1398999116,3cyclictest17571-21grep20:36:030
1399299107,2cyclictest0-21swapper/321:05:093
1399299107,2cyclictest0-21swapper/320:55:173
1399299107,2cyclictest0-21swapper/320:35:163
1399299107,2cyclictest0-21swapper/320:35:153
1399299107,2cyclictest0-21swapper/320:31:043
1399299105,3cyclictest0-21swapper/321:00:163
1399299101,5cyclictest0-21swapper/319:40:003
1399299100,9cyclictest0-21swapper/320:40:013
1399299100,9cyclictest0-21swapper/320:05:113
1399199107,2cyclictest5797-21kworker/u8:120:22:012
1399199107,2cyclictest0-21swapper/220:30:152
1399199101,7cyclictest30758-21cut19:50:152
1399099101,7cyclictest0-21swapper/100:30:511
1399099100,3cyclictest0-21swapper/120:00:171
1399099100,2cyclictest0-21swapper/121:20:121
1398999100,2cyclictest0-21swapper/020:08:260
139929996,2cyclictest0-21swapper/319:25:173
139929994,3cyclictest10148-21munin-node3
139929992,6cyclictest0-21swapper/320:11:583
139919994,3cyclictest4357-21grep20:05:132
139899994,3cyclictest3728-21runrttasks20:45:030
139899994,3cyclictest3728-21runrttasks20:00:080
139899994,3cyclictest20995-21ls19:25:160
139899994,3cyclictest18711-21fschecks_time20:40:130
139899994,3cyclictest14646-21fschecks_count19:10:130
139929983,3cyclictest28448-21aten2.4_r3power19:45:123
139929983,3cyclictest16422-21awk19:15:123
139929980,3cyclictest1926-21munin-node3
139919983,3cyclictest20440-21cpu19:25:132
139919981,5cyclictest5548-21kworker/2:020:10:132
139899983,3cyclictest6130-21aten2.4_r3power20:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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