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2026-06-10 - 09:45

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 Wed Jun 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25044210897,6sleep10-21swapper/119:08:451
24391210796,6sleep30-21swapper/319:05:373
24411210685,16sleep00-21swapper/019:05:470
24365210180,16sleep20-21swapper/219:05:242
98322800,1sleep20-21swapper/219:50:152
139922770,1sleep30-21swapper/322:24:593
94782670,1sleep20-21swapper/200:05:002
94782670,1sleep20-21swapper/200:04:592
162052370,0sleep10-21swapper/122:26:101
167632290,0sleep10-21swapper/123:01:531
153192260,1sleep30-21swapper/321:50:333
288392230,0sleep00-21swapper/022:40:170
70102210,0sleep30-21swapper/322:16:233
2517099210,19cyclictest0-21swapper/223:55:142
231102210,1sleep0101ktimersoftd/021:25:000
2517099200,2cyclictest0-21swapper/219:15:122
16622200,0sleep20-21swapper/200:30:212
273642190,0sleep10-21swapper/119:15:001
2516899191,16cyclictest0-21swapper/020:20:120
25168991714,2cyclictest9031-21kworker/u8:023:15:040
25168991714,2cyclictest17767-21kworker/u8:123:08:020
2517199161,3cyclictest0-21swapper/323:09:423
2517199161,13cyclictest32370-21ssh22:10:013
2517199161,13cyclictest28116-21apt-get23:15:133
2516899161,3cyclictest0-21swapper/019:15:170
25168991613,2cyclictest16435-21kworker/u8:222:33:050
25170991511,2cyclictest27104-21apt-get20:35:062
2517099150,12cyclictest0-21swapper/223:17:052
25169991512,2cyclictest0-21swapper/122:56:511
25169991512,2cyclictest0-21swapper/122:00:101
25169991512,2cyclictest0-21swapper/121:15:001
25169991511,3cyclictest0-21swapper/122:13:101
2516999150,2cyclictest9013-21diskmemload23:07:181
2516999150,13cyclictest0-21swapper/123:21:031
25168991510,3cyclictest28260-21cpuspeed_turbos21:30:130
178842150,3sleep217896-21ssh21:19:142
178842150,3sleep217896-21ssh21:19:142
2517199149,3cyclictest14167-21munin-node3
2517199141,2cyclictest3728-21runrttasks21:56:203
25171991411,2cyclictest973-21munin-node3
2517199141,11cyclictest0-21swapper/322:09:043
25171991410,2cyclictest2107-21grep00:31:013
2517199140,2cyclictest0-21swapper/321:20:163
2517199140,13cyclictest0-21swapper/323:00:013
2517199140,12cyclictest9013-21diskmemload00:35:593
2517199140,12cyclictest0-21swapper/323:35:173
2517099141,11cyclictest3728-21runrttasks23:31:572
2517099140,12cyclictest9013-21diskmemload22:24:162
2517099140,12cyclictest9013-21diskmemload21:50:462
2517099140,12cyclictest28735-21ssh22:40:162
2517099140,12cyclictest22838-21ssh00:19:042
2517099140,12cyclictest0-21swapper/219:10:102
25169991411,2cyclictest9013-21diskmemload21:17:011
25169991411,2cyclictest9013-21diskmemload21:17:001
25169991411,2cyclictest0-21swapper/123:35:001
25169991411,2cyclictest0-21swapper/121:49:301
25169991411,2cyclictest0-21swapper/100:03:001
25169991411,2cyclictest0-21swapper/100:03:001
25169991410,3cyclictest0-21swapper/100:26:041
25169991410,2cyclictest28852-21users19:16:031
2516999140,13cyclictest0-21swapper/121:32:001
2516999140,13cyclictest0-21swapper/120:00:401
2516999140,12cyclictest21413-21ssh21:22:201
2516999140,12cyclictest0-21swapper/123:50:171
2516999140,12cyclictest0-21swapper/122:40:161
2516999140,12cyclictest0-21swapper/122:22:481
2516999140,12cyclictest0-21swapper/120:40:121
2516899149,3cyclictest0-21swapper/021:51:590
25168991412,1cyclictest0-21swapper/000:36:080
25168991411,2cyclictest0-21swapper/022:15:270
2516899140,3cyclictest12448-21ssh21:12:590
2516899140,2cyclictest0-21swapper/000:05:180
2516899140,13cyclictest0-21swapper/022:22:470
2516899140,12cyclictest0-21swapper/023:55:150
2516899140,12cyclictest0-21swapper/023:28:590
2516899140,12cyclictest0-21swapper/021:44:400
179942140,2sleep00-21swapper/021:19:250
179942140,2sleep00-21swapper/021:19:240
25171991310,2cyclictest2727-21kworker/u8:023:58:043
25171991310,2cyclictest0-21swapper/321:41:043
25171991310,2cyclictest0-21swapper/321:30:293
25171991310,2cyclictest0-21swapper/321:25:163
25171991310,2cyclictest0-21swapper/320:45:113
25171991310,2cyclictest0-21swapper/319:45:173
25171991310,2cyclictest0-21swapper/300:26:303
25171991310,2cyclictest0-21swapper/300:09:313
2517199130,2cyclictest9013-21diskmemload23:28:013
2517199130,2cyclictest0-21swapper/322:04:433
2517199130,2cyclictest0-21swapper/321:45:003
2517199130,2cyclictest0-21swapper/321:10:143
2517199130,2cyclictest0-21swapper/300:21:023
2517199130,2cyclictest0-21swapper/300:10:173
2517199130,12cyclictest9013-21diskmemload23:20:013
2517199130,12cyclictest0-21swapper/323:45:163
2517199130,12cyclictest0-21swapper/322:54:173
2517199130,12cyclictest0-21swapper/322:35:113
2517199130,12cyclictest0-21swapper/322:25:133
2517199130,12cyclictest0-21swapper/319:40:163
2517199130,11cyclictest13998-21ssh21:15:123
2517199130,11cyclictest13998-21ssh21:15:113
25170991310,2cyclictest0-21swapper/223:10:172
25170991310,2cyclictest0-21swapper/222:55:132
25170991310,2cyclictest0-21swapper/221:32:532
25170991310,2cyclictest0-21swapper/221:12:042
25170991310,2cyclictest0-21swapper/220:40:142
2517099130,2cyclictest0-21swapper/223:50:122
2517099130,2cyclictest0-21swapper/221:40:552
2517099130,2cyclictest0-21swapper/200:25:232
2517099130,12cyclictest17290-21kworker/u8:120:21:042
2517099130,12cyclictest0-21swapper/222:09:412
25169991310,2cyclictest0-21swapper/123:57:111
25169991310,2cyclictest0-21swapper/123:49:261
25169991310,2cyclictest0-21swapper/122:19:311
25169991310,2cyclictest0-21swapper/121:43:451
25169991310,2cyclictest0-21swapper/121:36:021
25169991310,2cyclictest0-21swapper/121:00:181
25169991310,2cyclictest0-21swapper/119:40:011
25169991310,2cyclictest0-21swapper/100:30:041
25169991310,2cyclictest0-21swapper/100:22:201
25169991310,2cyclictest0-21swapper/100:07:501
2516999130,2cyclictest0-21swapper/123:15:511
2516999130,2cyclictest0-21swapper/122:45:161
2516999130,2cyclictest0-21swapper/122:38:401
2516999130,2cyclictest0-21swapper/100:35:451
2516999130,12cyclictest0-21swapper/123:40:171
2516999130,12cyclictest0-21swapper/123:25:201
2516999130,12cyclictest0-21swapper/122:50:001
2516999130,12cyclictest0-21swapper/122:34:141
2516999130,12cyclictest0-21swapper/122:09:111
2516999130,12cyclictest0-21swapper/121:55:501
2516999130,12cyclictest0-21swapper/121:51:501
25168991310,2cyclictest9013-21diskmemload00:26:570
25168991310,2cyclictest0-21swapper/023:50:470
25168991310,2cyclictest0-21swapper/023:48:490
25168991310,2cyclictest0-21swapper/023:41:100
25168991310,2cyclictest0-21swapper/023:32:380
25168991310,2cyclictest0-21swapper/022:52:170
25168991310,2cyclictest0-21swapper/000:12:270
25168991310,2cyclictest0-21swapper/000:01:370
25168991310,2cyclictest0-21swapper/000:01:370
2516899130,7cyclictest0-21swapper/020:35:040
2516899130,2cyclictest0-21swapper/022:04:070
2516899130,2cyclictest0-21swapper/021:25:390
2516899130,12cyclictest0-21swapper/023:11:170
2516899130,12cyclictest0-21swapper/022:55:580
2516899130,12cyclictest0-21swapper/022:26:470
2516899130,12cyclictest0-21swapper/022:07:480
2516899130,12cyclictest0-21swapper/020:00:180
2516899130,12cyclictest0-21swapper/000:30:580
2516899130,12cyclictest0-21swapper/000:16:080
2516899130,11cyclictest0-21swapper/021:45:160
175232130,2sleep00-21swapper/023:03:090
2517199129,2cyclictest9013-21diskmemload23:11:033
2517199129,2cyclictest0-21swapper/322:49:173
2517199129,2cyclictest0-21swapper/322:30:203
2517199129,2cyclictest0-21swapper/321:38:073
2517199129,2cyclictest0-21swapper/320:55:173
2517199120,3cyclictest23124-21ssh23:44:423
2517199120,2cyclictest0-21swapper/320:15:143
2517199120,2cyclictest0-21swapper/300:01:263
2517199120,2cyclictest0-21swapper/300:01:253
2517199120,1cyclictest0-21swapper/321:05:083
2517199120,11cyclictest0-21swapper/323:30:193
2517199120,11cyclictest0-21swapper/322:59:063
2517199120,11cyclictest0-21swapper/320:20:153
2517199120,10cyclictest0-21swapper/322:44:173
2517099129,2cyclictest31842-21fschecks_count19:25:132
2517099129,2cyclictest25449-21ssh22:36:112
2517099129,2cyclictest0-21swapper/223:45:242
2517099129,2cyclictest0-21swapper/223:35:322
2517099129,2cyclictest0-21swapper/223:05:132
2517099129,2cyclictest0-21swapper/222:51:122
2517099129,2cyclictest0-21swapper/222:30:162
2517099129,2cyclictest0-21swapper/221:55:182
2517099129,2cyclictest0-21swapper/221:46:132
2517099129,2cyclictest0-21swapper/219:30:162
2517099122,7cyclictest0-21swapper/220:13:012
2517099120,2cyclictest7484-21ssh00:36:182
2517099120,2cyclictest0-21swapper/222:46:052
2517099120,2cyclictest0-21swapper/222:26:522
2517099120,2cyclictest0-21swapper/221:35:362
2517099120,2cyclictest0-21swapper/221:25:122
2517099120,2cyclictest0-21swapper/200:10:322
2517099120,2cyclictest0-21swapper/200:07:322
2517099120,11cyclictest0-21swapper/223:40:472
2517099120,11cyclictest0-21swapper/223:21:132
2517099120,11cyclictest0-21swapper/223:00:532
2517099120,11cyclictest0-21swapper/222:15:242
2517099120,11cyclictest0-21swapper/222:10:252
2517099120,11cyclictest0-21swapper/222:02:252
2517099120,11cyclictest0-21swapper/221:21:322
2517099120,11cyclictest0-21swapper/220:55:162
2517099120,11cyclictest0-21swapper/219:36:062
2517099120,11cyclictest0-21swapper/200:20:062
2516999129,2cyclictest0-21swapper/120:35:071
2516999120,2cyclictest0-21swapper/123:30:041
2516999120,2cyclictest0-21swapper/121:26:331
2516999120,2cyclictest0-21swapper/120:55:301
2516999120,11cyclictest0-21swapper/123:10:181
2516999120,11cyclictest0-21swapper/120:15:151
2516999120,11cyclictest0-21swapper/119:35:161
2516999120,11cyclictest0-21swapper/119:21:101
2516999120,11cyclictest0-21swapper/100:10:321
2516999120,10cyclictest8246-21cut21:05:311
2516999120,10cyclictest0-21swapper/120:45:391
2516999120,10cyclictest0-21swapper/100:15:321
2516899129,2cyclictest0-21swapper/021:35:080
2516899129,2cyclictest0-21swapper/000:20:140
2516899127,3cyclictest0-21swapper/022:45:160
2516899122,7cyclictest0-21swapper/022:11:010
2516899120,2cyclictest9013-21diskmemload23:20:390
2516899120,2cyclictest0-21swapper/021:00:130
2516899120,2cyclictest0-21swapper/020:15:130
2516899120,11cyclictest0-21swapper/023:39:020
2516899120,11cyclictest0-21swapper/022:36:420
2516899120,11cyclictest0-21swapper/019:40:130
2516899120,11cyclictest0-21swapper/019:20:180
2517199116,3cyclictest25664-21grep19:10:113
2517199110,2cyclictest0-21swapper/319:15:113
2517199110,10cyclictest0-21swapper/300:19:583
2517099118,2cyclictest0-21swapper/221:00:182
2517099118,2cyclictest0-21swapper/219:55:142
2517099117,2cyclictest5108-21taskset23:25:112
2517099116,3cyclictest26697-21unixbench_multi20:31:052
2517099112,6cyclictest0-21swapper/220:53:582
2517099112,6cyclictest0-21swapper/220:47:012
2517099112,6cyclictest0-21swapper/220:16:592
2516999118,2cyclictest0-21swapper/120:51:011
2516999110,9cyclictest0-21swapper/120:20:161
2516999110,9cyclictest0-21swapper/120:06:001
2516999110,9cyclictest0-21swapper/119:50:131
2516999110,10cyclictest0-21swapper/119:55:391
2516899118,2cyclictest0-21swapper/020:50:130
2516899118,2cyclictest0-21swapper/019:45:140
2516899112,7cyclictest0-21swapper/019:30:060
2516899112,6cyclictest0-21swapper/021:09:580
2516899111,6cyclictest0-21swapper/020:25:260
2516899110,1cyclictest0-21swapper/020:08:280
2517199104,4cyclictest3535-21gdbus20:35:043
2517199101,8cyclictest0-21swapper/323:50:063
2517199100,9cyclictest17290-21kworker/u8:120:26:043
2517199100,9cyclictest17290-21kworker/u8:120:14:043
2517199100,9cyclictest11248-21kworker/u8:020:06:043
2517099106,2cyclictest0-21swapper/219:20:152
2517099102,7cyclictest0-21swapper/219:41:022
2517099102,6cyclictest0-21swapper/220:26:002
2517099100,9cyclictest11248-21kworker/u8:020:00:012
2516999107,2cyclictest0-21swapper/119:30:151
2516999100,2cyclictest0-21swapper/120:30:161
2516999100,2cyclictest0-21swapper/120:25:151
2516999100,2cyclictest0-21swapper/119:25:101
2516899107,2cyclictest0-21swapper/020:55:140
2516899107,2cyclictest0-21swapper/020:11:020
2516899107,2cyclictest0-21swapper/019:55:140
2516899107,2cyclictest0-21swapper/019:25:120
2516899105,3cyclictest9519-21sed19:50:120
2516899105,3cyclictest4614-21sed19:36:040
2516899105,3cyclictest32631-21ls20:46:030
2516899105,3cyclictest26484-21sendmail_mailst19:10:590
2516899100,9cyclictest0-21swapper/021:55:030
103032100,2sleep30-21swapper/319:51:013
8935290,1sleep20-21swapper/219:49:272
251719994,3cyclictest6083-21open_files21:00:183
251719994,3cyclictest31614-21cpu19:25:123
251719994,3cyclictest3154-21aten2.4_r3power19:35:143
251719994,3cyclictest30488-21mailstats20:41:013
251719994,3cyclictest29584-21cpu19:20:133
251719994,3cyclictest12686-21vmstat19:56:023
251719994,3cyclictest1033-21telnet20:50:133
251719993,4cyclictest25338-21cut20:30:123
251709994,3cyclictest7695-21cut21:05:162
251709992,6cyclictest0-21swapper/220:07:592
251699990,2cyclictest17251-21munin-node1
251699990,1cyclictest0-21swapper/119:45:111
251689994,3cyclictest25442-21telnet20:30:140
251689990,4cyclictest0-21swapper/020:42:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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