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2025-12-08 - 13:10

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 highest latencies:
System rack3slot6s.osadl.org (updated Mon Dec 08, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23365212197,19sleep00-21swapper/019:08:200
233402118107,6sleep20-21swapper/219:08:012
23228211495,14sleep10-21swapper/119:06:361
23153211194,12sleep30-21swapper/319:05:373
268232740,0sleep1221ktimersoftd/122:05:061
288302730,0sleep30-21swapper/323:15:243
23525993515,18cyclictest7454-21diskmemload00:25:143
2352599350,18cyclictest0-21swapper/322:10:123
2352599320,2cyclictest0-21swapper/322:05:133
23525992514,9cyclictest23270-21rm23:45:113
48242240,1sleep1221ktimersoftd/100:00:151
23525992415,7cyclictest0-21swapper/322:40:133
2352599220,13cyclictest0-21swapper/321:30:403
52622210,1sleep05263-21munin-node0
2352599211,18cyclictest0-21swapper/323:10:113
2352599210,12cyclictest0-21swapper/319:55:143
2352399211,2cyclictest0-21swapper/121:40:111
2352599209,3cyclictest3181-21sh00:32:373
2352599201,6cyclictest0-21swapper/300:25:003
2352599200,2cyclictest0-21swapper/322:55:133
2352599200,2cyclictest0-21swapper/322:26:293
2352599200,13cyclictest0-21swapper/323:00:293
2352599200,13cyclictest0-21swapper/322:19:493
2352599200,13cyclictest0-21swapper/322:19:483
2352599200,11cyclictest0-21swapper/321:26:373
2352499200,18cyclictest0-21swapper/220:45:132
2352299200,18cyclictest0-21swapper/023:05:180
2352599190,2cyclictest0-21swapper/322:32:453
2352599190,12cyclictest15482-21apt-get20:10:063
2352599190,12cyclictest0-21swapper/300:15:053
2352599190,12cyclictest0-21swapper/300:00:483
2352599190,11cyclictest0-21swapper/323:53:053
2352299190,17cyclictest0-21swapper/020:45:130
2352599181,7cyclictest0-21swapper/322:21:013
23525991810,2cyclictest0-21swapper/322:46:423
2352599180,2cyclictest0-21swapper/322:38:373
2352599180,12cyclictest0-21swapper/323:32:093
23523991816,1cyclictest332250irq/24-eth121:17:041
2352599172,6cyclictest0-21swapper/319:39:023
23525991713,2cyclictest0-21swapper/319:45:123
2352599170,11cyclictest0-21swapper/323:57:093
2352599170,11cyclictest0-21swapper/323:35:353
2352599170,11cyclictest0-21swapper/321:44:133
2352599161,13cyclictest14055-21ssh21:15:363
2352399161,3cyclictest28877-21irqstats00:25:191
23523991612,3cyclictest221ktimersoftd/100:30:111
2352399160,2cyclictest0-21swapper/100:14:321
2352599152,6cyclictest0-21swapper/323:45:003
2352599151,12cyclictest26504-21ssh22:04:553
2352499150,13cyclictest0-21swapper/222:25:262
2352499150,13cyclictest0-21swapper/219:45:162
2352399150,13cyclictest0-21swapper/123:24:351
23522991510,3cyclictest23807-21chrt20:30:120
2352299150,3cyclictest7454-21diskmemload21:15:260
2352299150,3cyclictest26366-21ssh23:48:000
2352299150,13cyclictest14642-21munin-node0
2352599142,6cyclictest0-21swapper/323:10:003
2352599142,5cyclictest0-21swapper/320:33:023
2352599140,2cyclictest0-21swapper/323:25:493
2352599140,13cyclictest0-21swapper/321:50:183
2352599140,12cyclictest0-21swapper/321:59:393
2352599140,12cyclictest0-21swapper/300:10:063
2352499141,2cyclictest31651-21munin-run22:45:012
23524991411,2cyclictest0-21swapper/223:25:172
23524991411,2cyclictest0-21swapper/222:55:132
23524991411,2cyclictest0-21swapper/221:25:072
2352499140,12cyclictest17093-21ssh23:37:572
2352499140,12cyclictest0-21swapper/221:50:112
2352499140,12cyclictest0-21swapper/219:50:262
2352499140,12cyclictest0-21swapper/219:50:252
2352499140,12cyclictest0-21swapper/200:05:012
2352399141,2cyclictest5129-21runrttasks23:53:331
23523991411,2cyclictest0-21swapper/100:18:411
2352399140,2cyclictest0-21swapper/121:45:511
2352399140,13cyclictest0-21swapper/119:20:221
2352299140,2cyclictest7454-21diskmemload21:13:270
2352299140,13cyclictest0-21swapper/019:30:170
2352299140,12cyclictest25827-21runrttasks22:03:490
2352299140,12cyclictest0-21swapper/022:30:150
2352299140,12cyclictest0-21swapper/021:30:060
2352299140,12cyclictest0-21swapper/021:26:270
2352299140,12cyclictest0-21swapper/019:50:140
2352299140,12cyclictest0-21swapper/019:50:130
2352299140,12cyclictest0-21swapper/000:00:200
266282130,2sleep10-21swapper/123:13:551
2352599132,6cyclictest0-21swapper/319:19:593
23525991310,2cyclictest0-21swapper/321:46:383
23525991310,2cyclictest0-21swapper/319:40:073
2352599130,2cyclictest0-21swapper/323:20:573
2352599130,2cyclictest0-21swapper/321:38:223
2352599130,2cyclictest0-21swapper/321:21:073
2352599130,2cyclictest0-21swapper/319:30:173
2352599130,12cyclictest0-21swapper/300:39:173
2352599130,12cyclictest0-21swapper/300:39:163
2352599130,12cyclictest0-21swapper/300:05:013
2352499139,2cyclictest4626-21ssh22:15:182
2352499139,2cyclictest4626-21ssh22:15:172
23524991310,2cyclictest3369-21ssh00:32:542
23524991310,2cyclictest27714-21ssh22:05:192
23524991310,2cyclictest0-21swapper/223:55:052
23524991310,2cyclictest0-21swapper/223:45:142
23524991310,2cyclictest0-21swapper/223:42:282
23524991310,2cyclictest0-21swapper/223:15:162
23524991310,2cyclictest0-21swapper/222:38:272
23524991310,2cyclictest0-21swapper/222:30:312
23524991310,2cyclictest0-21swapper/222:01:062
23524991310,2cyclictest0-21swapper/221:05:162
23524991310,2cyclictest0-21swapper/219:25:172
23524991310,2cyclictest0-21swapper/200:18:382
23524991310,2cyclictest0-21swapper/200:10:222
23524991310,2cyclictest0-21swapper/200:00:022
2352499130,2cyclictest0-21swapper/223:24:482
2352499130,2cyclictest0-21swapper/221:55:312
2352499130,2cyclictest0-21swapper/221:15:072
2352499130,12cyclictest0-21swapper/223:54:472
2352499130,12cyclictest0-21swapper/223:31:382
2352499130,12cyclictest0-21swapper/223:09:282
2352499130,12cyclictest0-21swapper/223:01:172
2352499130,12cyclictest0-21swapper/222:46:272
2352499130,12cyclictest0-21swapper/222:11:352
2352499130,12cyclictest0-21swapper/221:39:582
2352499130,12cyclictest0-21swapper/221:30:262
2352499130,12cyclictest0-21swapper/221:24:142
2352499130,12cyclictest0-21swapper/200:26:442
2352499130,11cyclictest0-21swapper/221:45:412
2352499130,11cyclictest0-21swapper/221:10:062
2352399138,4cyclictest0-21swapper/122:50:131
23523991310,2cyclictest0-21swapper/123:40:181
23523991310,2cyclictest0-21swapper/123:29:011
23523991310,2cyclictest0-21swapper/122:45:181
23523991310,2cyclictest0-21swapper/122:40:431
23523991310,2cyclictest0-21swapper/122:24:221
23523991310,2cyclictest0-21swapper/122:12:431
23523991310,2cyclictest0-21swapper/100:38:031
23523991310,2cyclictest0-21swapper/100:38:031
2352399130,2cyclictest27608-21apt-get20:40:051
2352399130,2cyclictest0-21swapper/123:55:291
2352399130,2cyclictest0-21swapper/123:05:251
2352399130,2cyclictest0-21swapper/121:11:551
2352399130,12cyclictest0-21swapper/123:37:221
2352399130,11cyclictest7454-21diskmemload21:55:541
2352399130,11cyclictest7454-21diskmemload21:34:321
2352399130,11cyclictest7454-21diskmemload00:05:551
2352399130,11cyclictest22687-21fschecks_count22:00:171
2352399130,10cyclictest0-21swapper/121:25:371
23522991310,2cyclictest3249-21kworker/u8:223:00:010
23522991310,2cyclictest0-21swapper/022:36:190
2352299130,2cyclictest0-21swapper/023:40:280
2352299130,12cyclictest0-21swapper/023:50:160
2352299130,12cyclictest0-21swapper/022:59:190
2352299130,12cyclictest0-21swapper/000:15:230
2352299130,11cyclictest9077-21ssh00:39:190
2352299130,11cyclictest9077-21ssh00:39:180
2352299130,11cyclictest7454-21diskmemload23:21:300
2352299130,11cyclictest32461-21ssh21:35:250
2352299130,11cyclictest0-21swapper/022:24:000
212292130,10sleep010433-1kworker/u9:221:24:390
29552120,2sleep07454-21diskmemload00:32:150
252932120,2sleep10-21swapper/120:31:181
2352599129,2cyclictest0-21swapper/321:10:133
2352599129,2cyclictest0-21swapper/320:35:143
2352599129,2cyclictest0-21swapper/319:50:283
2352599129,2cyclictest0-21swapper/319:50:283
2352599120,2cyclictest0-21swapper/321:00:243
2352599120,2cyclictest0-21swapper/319:29:153
2352599120,11cyclictest0-21swapper/322:51:533
2352599120,11cyclictest0-21swapper/320:58:333
2352499129,2cyclictest0-21swapper/222:20:062
2352499129,2cyclictest0-21swapper/220:40:212
2352499129,2cyclictest0-21swapper/200:39:182
2352499129,2cyclictest0-21swapper/200:39:172
2352499120,2cyclictest0-21swapper/223:11:412
2352499120,2cyclictest0-21swapper/221:40:542
2352499120,2cyclictest0-21swapper/219:55:012
2352499120,2cyclictest0-21swapper/219:10:272
2352499120,11cyclictest0-21swapper/222:51:152
2352499120,11cyclictest0-21swapper/221:00:112
2352499120,11cyclictest0-21swapper/220:55:282
2352399129,2cyclictest8646-21kworker/u8:123:30:051
2352399129,2cyclictest0-21swapper/123:16:061
2352399129,2cyclictest0-21swapper/122:57:381
2352399129,2cyclictest0-21swapper/122:35:251
2352399129,2cyclictest0-21swapper/122:15:141
2352399129,2cyclictest0-21swapper/122:15:131
2352399129,2cyclictest0-21swapper/121:35:391
2352399128,3cyclictest0-21swapper/123:04:101
2352399128,2cyclictest0-21swapper/122:26:361
2352399123,6cyclictest0-21swapper/119:26:081
2352399121,9cyclictest0-21swapper/120:35:151
2352399121,5cyclictest0-21swapper/120:55:001
2352399121,3cyclictest17743-21munin-node1
2352399121,3cyclictest0-21swapper/122:30:201
2352399120,2cyclictest0-21swapper/121:50:091
2352399120,2cyclictest0-21swapper/120:25:121
2352399120,11cyclictest0-21swapper/123:45:101
2352299129,2cyclictest0-21swapper/023:32:300
2352299129,2cyclictest0-21swapper/023:26:490
2352299129,2cyclictest0-21swapper/022:17:000
2352299129,2cyclictest0-21swapper/022:17:000
2352299129,2cyclictest0-21swapper/022:06:390
2352299129,2cyclictest0-21swapper/021:55:070
2352299129,2cyclictest0-21swapper/021:50:200
2352299129,2cyclictest0-21swapper/000:05:300
2352299123,7cyclictest0-21swapper/023:56:190
2352299122,7cyclictest0-21swapper/019:35:590
2352299120,2cyclictest0-21swapper/023:15:480
2352299120,2cyclictest0-21swapper/021:44:060
2352299120,2cyclictest0-21swapper/020:55:150
2352299120,11cyclictest0-21swapper/022:45:300
2352299120,11cyclictest0-21swapper/022:40:160
2352299120,11cyclictest0-21swapper/022:26:350
2352299120,11cyclictest0-21swapper/000:29:590
2352299120,11cyclictest0-21swapper/000:21:190
2352299120,11cyclictest0-21swapper/000:12:590
2352299120,10cyclictest3249-21kworker/u8:223:10:050
11142120,2sleep00-21swapper/022:11:120
2352599112,6cyclictest0-21swapper/319:12:023
2352599112,4cyclictest5911-21gdm-simple-gree19:20:593
2352599111,7cyclictest0-21swapper/320:47:593
2352599110,2cyclictest0-21swapper/320:54:283
2352599110,2cyclictest0-21swapper/320:02:043
2352499118,2cyclictest3567-21aten2.4_r3power19:40:132
2352499118,2cyclictest0-21swapper/200:20:212
2352499112,6cyclictest0-21swapper/220:03:012
2352499110,10cyclictest0-21swapper/220:33:182
2352399118,2cyclictest0-21swapper/119:15:211
2352399116,3cyclictest20335-21perl20:20:181
2352399111,8cyclictest23459-21munin-node1
2352399111,8cyclictest0-21swapper/121:05:241
2352399111,8cyclictest0-21swapper/119:40:141
2352399111,5cyclictest0-21swapper/120:05:011
2352399110,9cyclictest8408-21sed19:50:191
2352399110,9cyclictest8408-21sed19:50:181
2352399110,3cyclictest1380-21munin-node1
2352399110,2cyclictest15533-21copy20:10:041
2352399110,2cyclictest0-21swapper/119:55:211
2352399110,10cyclictest7454-21diskmemload21:22:091
2352399110,10cyclictest0-21swapper/120:05:231
2352299115,4cyclictest5129-21runrttasks20:15:170
2352299112,7cyclictest0-21swapper/020:11:590
2352299112,6cyclictest0-21swapper/020:21:590
2352299110,9cyclictest4983-21kworker/u8:319:46:040
2352299110,3cyclictest0-21swapper/021:46:420
2352299110,1cyclictest0-21swapper/020:05:270
2352599107,2cyclictest0-21swapper/320:40:053
2352599105,3cyclictest6889-21wc21:05:293
2352599100,2cyclictest0-21swapper/320:26:203
2352499107,2cyclictest0-21swapper/220:35:192
2352499107,2cyclictest0-21swapper/220:20:182
2352499107,2cyclictest0-21swapper/219:30:132
2352499102,6cyclictest0-21swapper/219:35:252
2352499102,6cyclictest0-21swapper/219:24:592
2352499102,5cyclictest0-21swapper/220:50:012
2352499102,5cyclictest0-21swapper/219:15:592
2352499100,7cyclictest0-21swapper/220:15:022
2352399101,2cyclictest1445-21apt-get20:55:141
2352399100,8cyclictest5522-21munin-node1
2352399100,3cyclictest0-21swapper/121:00:271
2352399100,3cyclictest0-21swapper/120:45:271
2352399100,3cyclictest0-21swapper/119:10:161
2352399100,1cyclictest0-21swapper/119:30:281
2352299105,3cyclictest9779-21sh19:55:150
2352299105,3cyclictest3729-21tr19:40:140
2352299105,3cyclictest28893-21sensors_temp19:20:270
2352299105,3cyclictest27077-21ls20:35:280
2352299105,3cyclictest24139-21entropy19:10:160
2352299102,5cyclictest0-21swapper/020:00:590
2352299101,6cyclictest0-21swapper/019:16:060
2352299100,9cyclictest0-21swapper/020:53:580
2352299100,2cyclictest0-21swapper/019:25:130
235259994,3cyclictest19855-21aten2.4_r3power20:20:153
235259994,3cyclictest13967-21cpuspeed_turbos20:05:153
235259994,3cyclictest0-21swapper/320:15:153
235249996,2cyclictest0-21swapper/220:10:182
235249994,3cyclictest21874-21head20:25:132
235229994,3cyclictest4766-21cat21:00:260
235229994,3cyclictest28506-21if_eth020:40:190
235229990,6cyclictest0-21swapper/021:06:310
235229990,2cyclictest0-21swapper/020:26:210
235249983,3cyclictest15045-21sed20:05:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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