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2026-04-22 - 07:19

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 Wed Apr 22, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7272211796,16sleep30-21swapper/319:06:313
7295211595,15sleep10-21swapper/119:06:481
73242113102,6sleep20-21swapper/219:07:102
73092113102,6sleep00-21swapper/019:06:590
2982121080,1sleep029815-21ssh21:15:200
3742880,0sleep00-21swapper/022:25:310
46482700,0sleep30-21swapper/323:36:593
210262680,0sleep20-21swapper/222:46:482
46712670,0sleep10-21swapper/123:37:011
136142570,0sleep10-21swapper/123:13:081
7573993515,18cyclictest1930-21ssh23:35:120
757699260,17cyclictest0-21swapper/319:35:123
757599251,13cyclictest0-21swapper/200:05:132
7576992217,3cyclictest15158-21ssh23:15:133
757699220,20cyclictest0-21swapper/319:55:123
757599210,19cyclictest0-21swapper/219:20:112
757499210,19cyclictest23642-21diskmemload22:20:121
757699200,2cyclictest0-21swapper/322:25:133
7574991912,5cyclictest23-21ksoftirqd/121:30:041
73342180,1sleep10-21swapper/121:25:271
56442180,0sleep30-21swapper/321:24:413
757499173,12cyclictest0-21swapper/121:13:331
7574991712,3cyclictest17915-21kworker/u8:119:36:021
7574991711,4cyclictest14566-21kworker/u8:122:10:011
7576991611,3cyclictest3728-21runrttasks19:40:183
7576991611,3cyclictest3728-21runrttasks00:12:583
757699161,13cyclictest32650-21iostat_ios20:10:173
757599162,2cyclictest0-21swapper/223:12:042
757599160,3cyclictest21608-21ssh22:14:532
7574991611,3cyclictest1064-21kworker/u8:121:21:041
39412160,1sleep30-21swapper/320:20:143
757699151,3cyclictest15922-21ssh22:41:193
757699151,12cyclictest0-21swapper/321:34:073
7576991510,3cyclictest3728-21runrttasks22:35:133
7576991510,3cyclictest26201-21ssh22:19:323
7576991510,3cyclictest14295-21sh23:14:123
757699150,13cyclictest32541-21ssh23:32:383
757699150,13cyclictest17820-21ssh22:10:153
757699150,13cyclictest0-21swapper/300:29:443
7575991511,2cyclictest0-21swapper/221:05:112
757599150,2cyclictest0-21swapper/219:15:112
757499151,3cyclictest9604-21hddtemp_smartct22:35:151
7574991512,2cyclictest0-21swapper/122:28:531
7573991513,1cyclictest0-21swapper/020:15:110
7573991510,3cyclictest0-21swapper/023:45:160
7573991510,3cyclictest0-21swapper/000:18:030
757399150,13cyclictest17053-21timerandwakeup20:51:040
757699149,3cyclictest26400-21ssh22:52:413
757699142,7cyclictest0-21swapper/320:19:593
757699142,6cyclictest0-21swapper/319:35:013
7576991410,2cyclictest0-21swapper/322:55:393
757699140,2cyclictest0-21swapper/300:09:193
757699140,12cyclictest3883-21ssh23:03:073
757699140,12cyclictest29129-21ssh00:36:153
757699140,12cyclictest23642-21diskmemload00:22:213
757699140,12cyclictest0-21swapper/321:55:393
757699140,12cyclictest0-21swapper/300:32:023
757699140,12cyclictest0-21swapper/300:18:503
7575991411,2cyclictest20237-21kworker/u8:122:55:042
7575991411,2cyclictest17915-21kworker/u8:119:50:052
7575991411,2cyclictest0-21swapper/223:27:532
757599141,11cyclictest1317-21ssh23:34:352
757599141,11cyclictest0-21swapper/223:35:122
757599140,2cyclictest0-21swapper/223:22:322
757599140,2cyclictest0-21swapper/223:01:432
757599140,2cyclictest0-21swapper/222:30:132
757599140,13cyclictest0-21swapper/223:52:432
757499142,5cyclictest0-21swapper/123:47:581
7574991411,2cyclictest0-21swapper/120:16:021
757499141,11cyclictest0-21swapper/122:07:571
7574991410,2cyclictest0-21swapper/122:45:111
757499140,12cyclictest23642-21diskmemload23:07:181
757499140,12cyclictest23642-21diskmemload21:51:021
757499140,12cyclictest0-21swapper/122:52:331
757399140,3cyclictest23487-21sh23:56:390
757699138,3cyclictest23642-21diskmemload21:15:223
757699132,6cyclictest0-21swapper/320:05:003
757699131,4cyclictest245362sh23:58:183
7576991310,2cyclictest23642-21diskmemload21:45:543
7576991310,2cyclictest0-21swapper/323:50:193
7576991310,2cyclictest0-21swapper/323:06:043
7576991310,2cyclictest0-21swapper/322:30:043
7576991310,2cyclictest0-21swapper/322:20:373
7576991310,2cyclictest0-21swapper/322:00:403
7576991310,2cyclictest0-21swapper/321:10:323
7576991310,2cyclictest0-21swapper/320:40:293
757699130,2cyclictest18553-21ssh22:45:073
757699130,2cyclictest0-21swapper/323:46:383
757699130,2cyclictest0-21swapper/323:23:503
757699130,2cyclictest0-21swapper/322:06:193
757699130,2cyclictest0-21swapper/321:36:023
757699130,2cyclictest0-21swapper/320:55:183
757699130,2cyclictest0-21swapper/319:50:153
757699130,2cyclictest0-21swapper/319:45:183
757699130,2cyclictest0-21swapper/300:01:203
757699130,12cyclictest0-21swapper/323:40:313
757699130,12cyclictest0-21swapper/321:50:303
757699130,12cyclictest0-21swapper/321:42:543
757699130,12cyclictest0-21swapper/321:25:303
757699130,12cyclictest0-21swapper/320:25:163
757699130,12cyclictest0-21swapper/319:20:183
757699130,12cyclictest0-21swapper/319:15:193
757699130,11cyclictest13802-21apt-get20:45:113
757699130,11cyclictest0-21swapper/323:25:363
757599138,3cyclictest12731-21rm00:20:112
757599138,3cyclictest0-21swapper/222:20:172
757599132,6cyclictest0-21swapper/220:54:592
757599131,7cyclictest3764-21ssh22:30:012
7575991310,2cyclictest0-21swapper/223:55:572
7575991310,2cyclictest0-21swapper/222:19:172
7575991310,2cyclictest0-21swapper/200:17:232
7575991310,2cyclictest0-21swapper/200:03:122
757599130,8cyclictest0-21swapper/221:36:052
757599130,12cyclictest0-21swapper/223:41:432
757599130,12cyclictest0-21swapper/222:09:522
757599130,12cyclictest0-21swapper/219:26:012
757499139,2cyclictest0-21swapper/121:05:191
757499138,3cyclictest12814-21cut20:40:281
757499131,10cyclictest7370-21kworker/1:122:00:151
7574991310,2cyclictest23642-21diskmemload22:19:171
7574991310,2cyclictest23642-21diskmemload21:42:061
7574991310,2cyclictest15768-21kworker/u8:000:28:011
7574991310,2cyclictest0-21swapper/123:55:581
7574991310,2cyclictest0-21swapper/121:36:071
7574991310,2cyclictest0-21swapper/121:18:031
7574991310,2cyclictest0-21swapper/120:01:061
757499130,2cyclictest0-21swapper/123:27:161
757499130,2cyclictest0-21swapper/122:56:051
757499130,2cyclictest0-21swapper/122:40:171
757499130,2cyclictest0-21swapper/121:45:171
757499130,2cyclictest0-21swapper/119:40:111
757499130,2cyclictest0-21swapper/119:30:151
757499130,2cyclictest0-21swapper/100:10:131
757499130,2cyclictest0-21swapper/100:05:181
757499130,12cyclictest0-21swapper/120:56:031
757499130,12cyclictest0-21swapper/120:35:171
757499130,12cyclictest0-21swapper/119:45:011
757499130,11cyclictest0-21swapper/100:21:341
757399139,2cyclictest20082-21ssh22:12:290
757399138,3cyclictest32212-21rm00:05:590
757399132,6cyclictest0-21swapper/022:25:000
757399132,6cyclictest0-21swapper/019:25:010
757399131,6cyclictest0-21swapper/020:59:590
7573991310,2cyclictest12725-21apt-get00:20:120
7573991310,2cyclictest0-21swapper/023:44:150
7573991310,2cyclictest0-21swapper/023:17:590
7573991310,2cyclictest0-21swapper/021:55:120
7573991310,2cyclictest0-21swapper/021:49:040
757399130,2cyclictest0-21swapper/021:25:160
757399130,2cyclictest0-21swapper/021:11:500
757399130,12cyclictest0-21swapper/023:50:150
757399130,12cyclictest0-21swapper/023:33:390
757399130,12cyclictest0-21swapper/019:25:160
757399130,12cyclictest0-21swapper/000:00:170
757399130,11cyclictest23642-21diskmemload22:30:150
757399130,11cyclictest15700-21ssh21:35:000
757399130,11cyclictest0-21swapper/023:14:050
757399130,11cyclictest0-21swapper/022:50:470
757399130,11cyclictest0-21swapper/021:20:120
201042130,1sleep00-21swapper/022:45:590
157462132,8sleep015757-21sh22:08:160
757699121,6cyclictest0-21swapper/320:10:013
757699120,11cyclictest0-21swapper/321:05:503
757699120,11cyclictest0-21swapper/321:00:203
757599129,2cyclictest0-21swapper/223:45:342
757599129,2cyclictest0-21swapper/222:53:532
757599129,2cyclictest0-21swapper/222:00:082
757599129,2cyclictest0-21swapper/200:11:052
757599127,3cyclictest0-21swapper/220:30:112
757599121,6cyclictest0-21swapper/221:34:592
757599121,6cyclictest0-21swapper/219:50:012
757599120,7cyclictest0-21swapper/221:53:052
757599120,2cyclictest0-21swapper/223:16:292
757599120,2cyclictest0-21swapper/223:06:342
757599120,2cyclictest0-21swapper/222:40:172
757599120,2cyclictest0-21swapper/200:35:022
757599120,2cyclictest0-21swapper/200:30:072
757599120,11cyclictest0-21swapper/221:56:352
757599120,11cyclictest0-21swapper/200:25:252
757499129,2cyclictest0-21swapper/123:21:021
757499129,2cyclictest0-21swapper/120:25:121
757499129,2cyclictest0-21swapper/100:15:171
757499129,2cyclictest0-21swapper/100:01:171
757499128,2cyclictest23642-21diskmemload23:41:161
757499121,9cyclictest7755-21munin-node1
757499121,9cyclictest31974-21munin-node1
757499121,9cyclictest0-21swapper/119:10:161
757499120,2cyclictest0-21swapper/123:30:161
757499120,2cyclictest0-21swapper/123:01:151
757499120,2cyclictest0-21swapper/121:58:121
757499120,2cyclictest0-21swapper/119:20:151
757499120,2cyclictest0-21swapper/100:35:121
757499120,11cyclictest0-21swapper/123:50:121
757499120,11cyclictest0-21swapper/122:31:061
757499120,11cyclictest0-21swapper/119:16:031
757499120,11cyclictest0-21swapper/100:30:071
757399129,2cyclictest0-21swapper/023:00:490
757399129,2cyclictest0-21swapper/022:41:210
757399129,2cyclictest0-21swapper/022:01:280
757399129,2cyclictest0-21swapper/020:25:150
757399129,2cyclictest0-21swapper/019:50:120
757399121,9cyclictest31760-21munin-run20:10:000
757399121,6cyclictest0-21swapper/019:55:000
757399120,2cyclictest0-21swapper/022:15:490
757399120,2cyclictest0-21swapper/021:44:440
757399120,2cyclictest0-21swapper/019:15:140
757399120,2cyclictest0-21swapper/000:26:060
757399120,2cyclictest0-21swapper/000:10:040
757399120,11cyclictest0-21swapper/023:20:090
757399120,11cyclictest0-21swapper/023:05:210
757399120,11cyclictest0-21swapper/021:54:560
757399120,11cyclictest0-21swapper/021:30:570
757399120,11cyclictest0-21swapper/020:20:140
757399120,10cyclictest22219-21ssh00:30:070
757399120,10cyclictest0-21swapper/000:35:250
163272120,2sleep10-21swapper/123:15:311
118552120,1sleep00-21swapper/022:37:290
757699112,7cyclictest0-21swapper/320:34:593
757699110,6cyclictest0-21swapper/319:15:003
757599118,2cyclictest21614-21kworker/u8:321:24:042
757599116,3cyclictest10015-21grep20:35:152
757599112,6cyclictest0-21swapper/221:46:582
757599111,4cyclictest0-21swapper/220:00:012
757599111,3cyclictest0-21swapper/220:44:592
757599110,2cyclictest0-21swapper/222:36:072
757499111,8cyclictest29970-21munin-node1
757499111,8cyclictest13799-21munin-node1
757499111,8cyclictest0-21swapper/119:55:161
757499111,5cyclictest0-21swapper/119:30:001
757499110,10cyclictest0-21swapper/121:00:401
757499110,10cyclictest0-21swapper/119:50:501
757399118,2cyclictest0-21swapper/023:26:230
757399110,10cyclictest0-21swapper/022:55:240
757399110,10cyclictest0-21swapper/019:45:140
49042110,2sleep10-21swapper/120:21:051
253382110,0sleep20-21swapper/221:10:452
12982110,8sleep20-21swapper/220:15:012
115412110,1sleep00-21swapper/020:39:550
757699105,3cyclictest17239-21unixbench_singl20:51:033
757699100,7cyclictest0-21swapper/319:26:583
757599105,3cyclictest20551-21latency21:00:172
757599102,6cyclictest0-21swapper/219:41:012
757599101,6cyclictest0-21swapper/220:21:032
757499100,2cyclictest0-21swapper/120:50:141
757399107,2cyclictest0-21swapper/020:41:010
757399107,2cyclictest0-21swapper/020:10:130
757399107,2cyclictest0-21swapper/020:00:130
757399107,2cyclictest0-21swapper/019:35:180
757399107,2cyclictest0-21swapper/019:11:010
757399105,3cyclictest3649-21snmpd19:41:150
221872100,6sleep20-21swapper/221:40:592
104992100,0sleep20-21swapper/221:29:452
75759996,2cyclictest7365-21kworker/u8:119:14:022
75759996,2cyclictest32074-21kworker/u8:020:29:042
75759995,2cyclictest16064-21cpuspeed_turbos19:30:142
75759994,3cyclictest28904-21aten2.4_r3power21:15:132
75759994,3cyclictest18098-21grep20:55:132
75759991,3cyclictest0-21swapper/220:45:132
75759990,2cyclictest0-21swapper/220:15:412
75739994,3cyclictest20356-21fschecks_time21:00:150
75739991,6cyclictest0-21swapper/019:31:130
75739990,8cyclictest0-21swapper/020:31:000
22723290,6sleep00-21swapper/021:05:180
75769982,4cyclictest9801-21telnet20:35:133
75759983,3cyclictest27947-21taskset20:00:042
75759983,3cyclictest17911-21aten2.4-expect19:35:122
75759980,6cyclictest30705-21sed20:05:172
75739983,3cyclictest14020-21tr20:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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