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2026-06-17 - 08:10

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 Wed Jun 17, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2725921420,4sleep31518899cyclictest23:25:133
150722114103,6sleep10-21swapper/119:08:531
15003210878,6sleep00-21swapper/019:08:000
14909210487,12sleep30-21swapper/319:06:463
14918210278,6sleep20-21swapper/219:06:532
264492740,0sleep10-21swapper/123:24:271
15188993212,18cyclictest4126-21ssh23:00:133
273732250,1sleep10-21swapper/121:40:131
1518899211,18cyclictest8541-21ssh23:40:113
121602210,0sleep00-21swapper/023:08:350
1518899200,2cyclictest0-21swapper/300:10:113
142422190,0sleep30-21swapper/320:25:183
187462180,2sleep09-21ksoftirqd/021:30:380
187462180,2sleep09-21ksoftirqd/021:30:380
140192170,1sleep3381ktimersoftd/323:45:173
314852161,3sleep30-21swapper/322:55:003
1518699160,2cyclictest0-21swapper/121:20:181
1518599161,3cyclictest19889-21grep20:40:150
15185991611,3cyclictest0-21swapper/022:35:160
15188991512,2cyclictest0-21swapper/322:30:123
1518899150,13cyclictest12859-21aten2.4-expect00:20:133
1518799151,12cyclictest31503-21apt-get22:55:062
1518799150,13cyclictest4257-21df_abs23:35:132
1518799150,13cyclictest0-21swapper/223:55:162
1518699152,7cyclictest0-21swapper/119:35:001
15186991513,1cyclictest0-21swapper/123:30:281
1518699151,12cyclictest13638-21memory21:25:181
1518699150,13cyclictest0-21swapper/123:53:001
1518599151,3cyclictest0-21swapper/021:15:470
15185991511,2cyclictest22172-21apt-get21:35:120
15185991510,3cyclictest0-21swapper/022:00:200
1518599150,13cyclictest30888-21diskmemload22:30:120
194352140,2sleep00-21swapper/000:26:200
172632140,3sleep10-21swapper/123:49:571
15188991411,2cyclictest0-21swapper/320:30:123
15188991411,2cyclictest0-21swapper/319:46:023
1518899141,11cyclictest28912sleep323:33:593
15188991410,2cyclictest29870-21memory21:05:173
15188991410,2cyclictest26165-21ssh22:48:533
1518899140,2cyclictest0-21swapper/321:39:123
1518899140,12cyclictest0-21swapper/322:18:033
1518899140,12cyclictest0-21swapper/320:35:053
1518899140,12cyclictest0-21swapper/300:30:203
1518799149,3cyclictest11636-21ssh21:57:582
1518799140,12cyclictest0-21swapper/222:36:252
1518699142,7cyclictest0-21swapper/120:35:001
1518699142,7cyclictest0-21swapper/119:55:001
1518699141,3cyclictest6760-21users20:06:051
1518699141,3cyclictest23469-21cut21:35:401
1518699141,3cyclictest0-21swapper/122:55:511
15186991411,2cyclictest30888-21diskmemload23:03:381
15186991411,2cyclictest0-21swapper/123:42:281
15186991411,2cyclictest0-21swapper/121:50:081
1518699141,10cyclictest0-21swapper/120:20:001
15186991410,2cyclictest0-21swapper/120:10:181
1518699140,3cyclictest24001-21ssh22:46:001
1518699140,3cyclictest22438-21cut20:45:191
1518699140,13cyclictest0-21swapper/122:14:381
1518699140,12cyclictest0-21swapper/123:12:031
1518599149,3cyclictest0-21swapper/023:41:020
1518599142,8cyclictest22204-21ssh22:10:010
1518599141,9cyclictest6219-21ssh23:01:100
15185991411,2cyclictest0-21swapper/021:50:120
1518599140,3cyclictest0-21swapper/019:36:020
1518599140,12cyclictest30888-21diskmemload23:47:030
53612130,1sleep30-21swapper/323:35:513
31402130,2sleep00-21swapper/021:49:350
1518899138,3cyclictest26030-21hddtemp_smartct19:35:133
15188991310,2cyclictest30888-21diskmemload00:27:033
15188991310,2cyclictest30888-21diskmemload00:16:063
15188991310,2cyclictest12819-21rm21:25:133
15188991310,2cyclictest0-21swapper/323:59:313
15188991310,2cyclictest0-21swapper/323:54:133
15188991310,2cyclictest0-21swapper/323:16:353
15188991310,2cyclictest0-21swapper/322:03:543
15188991310,2cyclictest0-21swapper/321:45:313
15188991310,2cyclictest0-21swapper/321:41:043
15188991310,2cyclictest0-21swapper/321:20:353
15188991310,2cyclictest0-21swapper/321:17:373
15188991310,2cyclictest0-21swapper/321:11:023
15188991310,2cyclictest0-21swapper/320:05:183
1518899130,2cyclictest0-21swapper/323:21:463
1518899130,2cyclictest0-21swapper/323:10:153
1518899130,2cyclictest0-21swapper/322:20:153
1518899130,2cyclictest0-21swapper/321:56:013
1518899130,2cyclictest0-21swapper/321:50:083
1518899130,2cyclictest0-21swapper/321:33:043
1518899130,2cyclictest0-21swapper/321:33:043
1518899130,2cyclictest0-21swapper/319:20:103
1518899130,12cyclictest0-21swapper/323:05:453
1518899130,12cyclictest0-21swapper/322:37:353
1518899130,12cyclictest0-21swapper/322:10:113
1518899130,12cyclictest0-21swapper/320:00:153
15187991310,2cyclictest30888-21diskmemload23:07:292
15187991310,2cyclictest0-21swapper/223:40:182
15187991310,2cyclictest0-21swapper/222:05:172
15187991310,2cyclictest0-21swapper/222:04:092
15187991310,2cyclictest0-21swapper/221:41:562
15187991310,2cyclictest0-21swapper/221:16:052
15187991310,2cyclictest0-21swapper/221:12:372
1518799130,3cyclictest3649-21snmpd22:41:072
1518799130,2cyclictest23338-21ssh23:20:162
1518799130,2cyclictest0-21swapper/221:21:572
1518799130,2cyclictest0-21swapper/200:25:382
1518799130,2cyclictest0-21swapper/200:12:392
1518799130,12cyclictest0-21swapper/223:47:192
1518799130,12cyclictest0-21swapper/220:41:022
1518799130,11cyclictest30888-21diskmemload23:15:032
1518799130,11cyclictest0-21swapper/223:10:222
1518799130,11cyclictest0-21swapper/220:05:202
1518699139,2cyclictest31287-21apt-get19:50:071
1518699138,3cyclictest5740-21sort22:26:031
1518699138,3cyclictest28937-21sed23:26:041
1518699131,3cyclictest0-21swapper/121:06:031
1518699131,3cyclictest0-21swapper/119:20:141
1518699131,10cyclictest3844-21munin-node1
1518699131,10cyclictest0-21swapper/100:16:081
15186991310,2cyclictest16571-21ssh00:24:181
15186991310,2cyclictest0-21swapper/122:36:191
15186991310,2cyclictest0-21swapper/100:30:301
1518699130,3cyclictest0-21swapper/100:38:081
1518699130,2cyclictest0-21swapper/123:05:151
1518699130,2cyclictest0-21swapper/121:00:101
1518699130,1cyclictest0-21swapper/123:17:581
1518699130,1cyclictest0-21swapper/120:35:171
1518699130,11cyclictest30888-21diskmemload00:05:401
1518699130,11cyclictest0-21swapper/121:31:391
1518699130,11cyclictest0-21swapper/121:31:391
1518599132,6cyclictest0-21swapper/020:20:000
1518599132,6cyclictest0-21swapper/020:05:000
1518599132,6cyclictest0-21swapper/019:55:000
1518599131,6cyclictest0-21swapper/020:50:000
15185991310,2cyclictest0-21swapper/000:31:420
15185991310,2cyclictest0-21swapper/000:05:170
1518599130,2cyclictest0-21swapper/023:20:110
1518599130,12cyclictest0-21swapper/019:40:120
1518599130,12cyclictest0-21swapper/000:11:030
122132130,2sleep030888-21diskmemload21:58:570
87222120,2sleep10-21swapper/122:30:091
265702120,1sleep30-21swapper/300:00:003
255862120,2sleep00-21swapper/023:58:340
1518899129,2cyclictest0-21swapper/322:05:193
1518899129,2cyclictest0-21swapper/320:55:323
1518899120,2cyclictest0-21swapper/322:25:273
1518899120,2cyclictest0-21swapper/300:08:273
1518899120,11cyclictest30888-21diskmemload00:35:243
1518899120,11cyclictest0-21swapper/322:57:133
1518899120,11cyclictest0-21swapper/322:43:503
1518899120,11cyclictest0-21swapper/320:10:193
1518899120,11cyclictest0-21swapper/319:40:003
1518799129,2cyclictest30888-21diskmemload22:53:192
1518799129,2cyclictest0-21swapper/222:15:392
1518799129,2cyclictest0-21swapper/221:54:272
1518799129,2cyclictest0-21swapper/221:34:002
1518799129,2cyclictest0-21swapper/221:34:002
1518799129,2cyclictest0-21swapper/220:00:182
1518799129,2cyclictest0-21swapper/200:35:122
1518799129,2cyclictest0-21swapper/200:18:182
1518799123,5cyclictest0-21swapper/220:15:302
1518799121,7cyclictest30888-21diskmemload22:31:022
1518799120,2cyclictest0-21swapper/222:47:342
1518799120,2cyclictest0-21swapper/220:56:022
1518799120,2cyclictest0-21swapper/220:50:132
1518799120,11cyclictest0-21swapper/223:31:042
1518799120,11cyclictest0-21swapper/222:26:092
1518799120,11cyclictest0-21swapper/221:46:032
1518799120,11cyclictest0-21swapper/221:37:582
1518799120,11cyclictest0-21swapper/221:05:132
1518799120,11cyclictest0-21swapper/220:35:062
1518799120,11cyclictest0-21swapper/219:15:132
1518799120,11cyclictest0-21swapper/200:30:042
1518799120,10cyclictest30888-21diskmemload00:08:142
1518699129,2cyclictest0-21swapper/122:22:291
1518699129,2cyclictest0-21swapper/122:16:221
1518699129,2cyclictest0-21swapper/100:25:501
1518699129,2cyclictest0-21swapper/100:10:301
1518699121,9cyclictest8501-21munin-node1
1518699121,9cyclictest13846-21http_loadtime22:00:151
1518699121,9cyclictest0-21swapper/122:50:201
1518699121,9cyclictest0-21swapper/120:40:161
1518699121,3cyclictest26757-21munin-node1
1518699120,3cyclictest21-21rcuc/121:45:131
1518699120,2cyclictest3355-21ssh21:15:101
1518699120,2cyclictest0-21swapper/123:58:311
1518699120,2cyclictest0-21swapper/122:09:501
1518699120,2cyclictest0-21swapper/120:25:191
1518699120,1cyclictest0-21swapper/122:42:591
1518599129,2cyclictest19413-21kworker/u8:022:11:040
1518599129,2cyclictest0-21swapper/023:35:180
1518599129,2cyclictest0-21swapper/022:55:170
1518599129,2cyclictest0-21swapper/022:50:340
1518599129,2cyclictest0-21swapper/022:43:240
1518599129,2cyclictest0-21swapper/022:16:030
1518599129,2cyclictest0-21swapper/000:01:330
1518599127,3cyclictest0-21swapper/022:24:300
1518599127,3cyclictest0-21swapper/020:51:020
1518599123,6cyclictest0-21swapper/000:16:020
1518599122,7cyclictest0-21swapper/020:22:020
1518599121,7cyclictest5668-21ssh22:26:020
1518599120,2cyclictest0-21swapper/021:10:160
1518599120,2cyclictest0-21swapper/021:00:140
1518599120,11cyclictest0-21swapper/023:10:130
1518599120,11cyclictest0-21swapper/021:28:220
1518599120,11cyclictest0-21swapper/020:35:160
1518599120,11cyclictest0-21swapper/019:30:170
1518599120,11cyclictest0-21swapper/000:21:040
1518599120,10cyclictest0-21swapper/023:25:230
127952120,2sleep229-21rcuc/200:20:072
1518899118,2cyclictest0-21swapper/319:51:023
1518799118,2cyclictest0-21swapper/223:00:512
1518799118,2cyclictest0-21swapper/222:21:192
1518799118,2cyclictest0-21swapper/219:56:032
1518799118,2cyclictest0-21swapper/219:50:132
1518799110,2cyclictest0-21swapper/222:12:082
1518799110,2cyclictest0-21swapper/221:26:482
1518799110,2cyclictest0-21swapper/200:01:442
1518799110,1cyclictest0-21swapper/220:46:042
1518799110,10cyclictest0-21swapper/223:51:282
1518699118,2cyclictest0-21swapper/120:00:131
1518699117,2cyclictest0-21swapper/119:35:121
1518699116,3cyclictest27484-21munin-node1
1518699112,6cyclictest0-21swapper/119:12:591
1518699111,8cyclictest0-21swapper/120:20:161
1518699111,3cyclictest25448-21munin-node1
1518699110,9cyclictest0-21swapper/120:50:151
1518699110,9cyclictest0-21swapper/119:15:191
1518699110,3cyclictest21769-21df_abs19:25:141
1518699110,10cyclictest0-21swapper/121:10:171
1518599118,2cyclictest30643-21kworker/u8:123:33:040
1518599118,2cyclictest17910-21sendmail23:15:060
1518599118,2cyclictest0-21swapper/023:53:380
1518599118,2cyclictest0-21swapper/021:42:080
1518599118,2cyclictest0-21swapper/021:21:100
1518599118,2cyclictest0-21swapper/000:35:150
1518599116,3cyclictest22451-21ssh22:45:020
1518599110,1cyclictest0-21swapper/020:10:180
1518599110,1cyclictest0-21swapper/019:15:120
170482100,2sleep00-21swapper/019:13:160
167782100,2sleep00-21swapper/020:31:050
1518899107,2cyclictest0-21swapper/320:50:123
1518899102,6cyclictest0-21swapper/320:41:033
1518899102,5cyclictest0-21swapper/320:49:023
1518899102,5cyclictest0-21swapper/320:16:003
1518899101,6cyclictest0-21swapper/319:26:023
1518799107,2cyclictest0-21swapper/220:20:132
1518799107,2cyclictest0-21swapper/219:30:182
1518799105,3cyclictest27114-21sh23:25:112
1518799105,3cyclictest15875-21fschecks_time20:30:142
1518799105,3cyclictest0-21swapper/219:40:002
1518799101,6cyclictest0-21swapper/220:10:122
1518799101,5cyclictest0-21swapper/221:05:002
1518799101,5cyclictest0-21swapper/219:50:002
1518699100,3cyclictest0-21swapper/119:45:181
1518599105,3cyclictest29786-21tr19:45:150
1518599101,5cyclictest0-21swapper/019:20:590
1518599100,9cyclictest25122-21kworker/u8:019:56:040
151889994,3cyclictest2850-21rsyslogd19:15:323
151889992,4cyclictest0-21swapper/320:21:023
151889990,7cyclictest4556-21metacity19:34:593
151879994,3cyclictest27705-21tr19:40:132
151879994,3cyclictest19676-21cut19:20:112
151879994,3cyclictest13407-21aten2.4-expect20:25:122
151879991,6cyclictest0-21swapper/219:10:162
151859997,1cyclictest0-21swapper/020:25:120
151859994,3cyclictest30500-21unixbench_multi21:06:020
151859994,3cyclictest21734-21cpuspeed_turbos19:25:140
151859992,4cyclictest0-21swapper/020:05:040
151889985,2cyclictest0-21swapper/319:55:133
151889983,3cyclictest28180-21cut21:00:143
151889981,5cyclictest0-21swapper/319:10:593
151879983,3cyclictest21467-21aten2.4_r3power19:25:132
151859983,3cyclictest25598-21basename20:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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