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2025-12-29 - 06:27

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, 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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  Intel
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 792 highest latencies:
System rack1slot6s.osadl.org (updated Mon Dec 29, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
434222400,4sleep00-21swapper/018:50:240
248599800,4rtkit-daemon0-21swapper/218:55:292
255612750,8sleep00-21swapper/000:05:150
255612750,8sleep00-21swapper/000:05:150
5783997245,12cyclictest31647-21fschecks_count20:55:223
189552680,5sleep319030-21cat19:20:293
577799665,53cyclictest0-21swapper/023:15:290
307902664,54sleep00-21swapper/020:55:030
578399636,51cyclictest0-21swapper/320:50:223
5783996339,11cyclictest0-21swapper/320:15:053
5783996338,10cyclictest0-21swapper/321:30:163
577799635,50cyclictest0-21swapper/020:30:160
577799635,50cyclictest0-21swapper/020:30:160
191152620,14sleep1578199cyclictest19:20:301
578399613,38cyclictest0-21swapper/319:25:333
577799615,13cyclictest0-21swapper/022:35:240
577799614,50cyclictest0-21swapper/022:45:260
578399608,40cyclictest0-21swapper/319:35:353
119022604,49sleep30-21swapper/323:35:283
577799594,49cyclictest0-21swapper/023:44:560
198472593,17sleep00-21swapper/023:53:310
577799584,47cyclictest0-21swapper/019:55:370
266102587,7sleep20-21swapper/219:35:402
5783995734,14cyclictest0-21swapper/320:45:043
577799574,12cyclictest0-21swapper/018:55:250
248599570,3rtkit-daemon2484-21rtkit-daemon21:56:441
248599570,3rtkit-daemon2484-21rtkit-daemon21:56:441
248599570,3rtkit-daemon2484-21rtkit-daemon21:13:231
578399569,27cyclictest0-21swapper/320:05:213
5783995635,14cyclictest0-21swapper/319:00:083
5781995636,13cyclictest0-21swapper/120:35:191
5781995636,13cyclictest0-21swapper/120:35:191
577799564,30cyclictest22944-21switchtime20:35:350
577799564,30cyclictest22944-21switchtime20:35:350
248599560,6rtkit-daemon2484-21rtkit-daemon22:10:290
248599560,5rtkit-daemon2484-21rtkit-daemon23:05:261
16162563,11sleep00-21swapper/000:21:480
578399554,32cyclictest0-21swapper/321:00:183
577799556,28cyclictest0-21swapper/023:55:120
577799553,23cyclictest0-21swapper/023:10:290
5777995522,12cyclictest0-21swapper/023:25:310
5777995522,12cyclictest0-21swapper/023:25:310
5777995521,14cyclictest0-21swapper/021:40:190
187632553,9sleep00-21swapper/020:29:030
80102543,44sleep00-21swapper/021:14:180
5783995421,14cyclictest0-21swapper/321:35:383
5781995435,12cyclictest30562-21tail00:15:161
577799545,29cyclictest0-21swapper/023:05:110
577799545,29cyclictest0-21swapper/019:20:410
577799544,29cyclictest0-21swapper/021:30:300
577799544,25cyclictest0-21swapper/019:30:260
5777995437,10cyclictest14644-21grep20:20:200
5777995433,13cyclictest25547-21unixbench_multi20:40:380
293192543,9sleep00-21swapper/000:12:330
283372543,44sleep00-21swapper/023:04:580
149102544,42sleep10-21swapper/121:25:561
578399535,29cyclictest0-21swapper/323:10:243
578399535,29cyclictest0-21swapper/321:55:263
578399535,29cyclictest0-21swapper/321:55:263
578399534,29cyclictest0-21swapper/322:45:353
578399534,29cyclictest0-21swapper/300:09:563
578399534,29cyclictest0-21swapper/300:09:563
5783995335,11cyclictest27054-21sed23:00:183
5783995322,12cyclictest0-21swapper/322:25:003
5783995321,13cyclictest0-21swapper/321:30:023
5783995321,13cyclictest0-21swapper/300:20:243
5783995320,13cyclictest0-21swapper/322:35:003
578199533,43cyclictest0-21swapper/123:25:201
578199533,43cyclictest0-21swapper/123:25:201
577799535,29cyclictest0-21swapper/019:05:200
577799535,29cyclictest0-21swapper/019:05:200
577799535,28cyclictest0-21swapper/022:30:160
577799533,18cyclictest0-21swapper/019:26:370
5777995321,13cyclictest0-21swapper/022:07:110
5777995320,13cyclictest1419-21runrttasks19:40:390
5777995319,15cyclictest0-21swapper/022:55:330
5777995319,14cyclictest0-21swapper/022:00:260
5777995319,14cyclictest0-21swapper/019:00:360
5777995319,13cyclictest0-21swapper/020:10:330
5777995318,15cyclictest0-21swapper/020:05:200
55702533,43sleep00-21swapper/021:08:410
44392532,10sleep10-21swapper/122:15:011
248599530,5rtkit-daemon2484-21rtkit-daemon22:50:200
248599530,5rtkit-daemon2484-21rtkit-daemon21:39:301
248599530,5rtkit-daemon2484-21rtkit-daemon20:00:261
197732533,44sleep00-21swapper/021:36:590
101952533,8sleep310283-21expr22:25:193
578399525,28cyclictest0-21swapper/321:45:343
578399524,30cyclictest0-21swapper/320:35:243
578399524,30cyclictest0-21swapper/320:35:243
578399524,29cyclictest0-21swapper/323:40:193
578399524,29cyclictest0-21swapper/321:40:263
578399524,28cyclictest0-21swapper/323:24:583
5783995231,14cyclictest0-21swapper/323:55:243
5783995230,14cyclictest0-21swapper/319:10:213
5783995219,14cyclictest0-21swapper/319:40:423
5782995233,13cyclictest0-21swapper/220:35:192
5782995233,13cyclictest0-21swapper/220:35:192
578299523,26cyclictest0-21swapper/219:24:372
578199524,28cyclictest0-21swapper/119:05:381
578199524,28cyclictest0-21swapper/119:05:381
577799525,28cyclictest0-21swapper/023:20:210
577799525,28cyclictest0-21swapper/000:00:130
577799525,27cyclictest0-21swapper/022:42:170
577799525,27cyclictest0-21swapper/022:42:170
577799525,27cyclictest0-21swapper/019:46:480
577799525,27cyclictest0-21swapper/019:46:480
577799524,30cyclictest0-21swapper/020:00:240
577799524,28cyclictest0-21swapper/023:39:570
577799524,28cyclictest0-21swapper/022:15:210
577799524,28cyclictest0-21swapper/000:15:160
577799524,27cyclictest0-21swapper/021:05:030
5777995236,10cyclictest32593-21cpuspeed_turbos19:50:200
5777995234,10cyclictest26792-21grep21:50:350
577799523,8cyclictest10380-21crond23:34:570
577799523,11cyclictest0-21swapper/021:27:280
5777995218,15cyclictest0-21swapper/019:35:260
5777995216,20cyclictest0-21swapper/020:55:270
281042523,10sleep00-21swapper/020:46:080
248599520,5rtkit-daemon2484-21rtkit-daemon23:10:411
248599520,5rtkit-daemon2484-21rtkit-daemon20:30:181
248599520,5rtkit-daemon2484-21rtkit-daemon20:30:181
248599520,4rtkit-daemon2484-21rtkit-daemon22:20:130
172432523,42sleep30-21swapper/323:45:563
578399515,28cyclictest0-21swapper/322:10:233
578399515,28cyclictest0-21swapper/321:10:213
578399515,28cyclictest0-21swapper/319:00:283
578399515,27cyclictest0-21swapper/300:15:073
578399514,29cyclictest0-21swapper/322:50:133
578399514,29cyclictest0-21swapper/322:00:263
578399514,29cyclictest0-21swapper/320:00:393
578399514,29cyclictest0-21swapper/319:55:313
578399514,28cyclictest0-21swapper/323:05:263
578399514,28cyclictest0-21swapper/321:10:033
578399514,28cyclictest0-21swapper/320:45:293
578399514,28cyclictest0-21swapper/300:00:203
578399514,27cyclictest17896-21munin-node22:40:303
578399514,27cyclictest17896-21munin-node22:40:303
5783995123,13cyclictest0-21swapper/319:05:303
5783995123,13cyclictest0-21swapper/319:05:303
5783995121,12cyclictest0-21swapper/320:35:043
5783995121,12cyclictest0-21swapper/320:35:043
5783995117,14cyclictest0-21swapper/319:45:173
5783995117,14cyclictest0-21swapper/319:45:173
578299514,29cyclictest0-21swapper/219:16:432
578299512,44cyclictest0-21swapper/223:15:262
578199515,40cyclictest0-21swapper/121:30:331
578199514,41cyclictest0-21swapper/122:15:131
578199514,41cyclictest0-21swapper/100:01:451
578199514,39cyclictest0-21swapper/119:35:291
5781995136,9cyclictest24556-21fschecks_time22:55:181
578199513,41cyclictest0-21swapper/119:50:341
5781995122,12cyclictest0-21swapper/122:39:591
577799515,27cyclictest0-21swapper/023:45:140
577799514,28cyclictest0-21swapper/021:55:150
577799514,28cyclictest0-21swapper/021:55:150
577799514,28cyclictest0-21swapper/020:15:400
577799514,28cyclictest0-21swapper/019:10:270
577799514,22cyclictest10720-21aten2.4-expect21:20:140
5777995133,12cyclictest8654-21cpuspeed_turbos21:15:160
5777995133,12cyclictest8654-21cpuspeed_turbos21:15:160
49282512,9sleep20-21swapper/221:05:332
248599510,5rtkit-daemon2484-21rtkit-daemon21:40:151
90182502,9sleep10-21swapper/122:22:271
90142502,9sleep20-21swapper/222:22:232
578399504,28cyclictest0-21swapper/322:35:253
578399504,28cyclictest0-21swapper/319:50:263
578399504,27cyclictest0-21swapper/321:15:243
578399504,27cyclictest0-21swapper/321:15:243
5783995029,14cyclictest0-21swapper/320:15:153
578299504,40cyclictest0-21swapper/221:35:322
578299504,27cyclictest0-21swapper/220:10:162
578199504,39cyclictest0-21swapper/123:35:131
5781995035,10cyclictest0-21swapper/123:55:221
293512502,9sleep20-21swapper/200:13:002
248599500,5rtkit-daemon2484-21rtkit-daemon21:05:161
248599500,4rtkit-daemon2484-21rtkit-daemon00:05:171
248599500,4rtkit-daemon2484-21rtkit-daemon00:05:171
79612492,41sleep10-21swapper/118:57:421
578399495,26cyclictest0-21swapper/323:51:183
578399495,26cyclictest0-21swapper/321:52:093
578399494,26cyclictest0-21swapper/319:30:183
5783994928,14cyclictest0-21swapper/322:05:343
5783994927,15cyclictest0-21swapper/300:10:133
5783994918,13cyclictest0-21swapper/322:55:273
578299494,28cyclictest0-21swapper/200:00:192
5782994932,10cyclictest452-21tune2fs00:20:172
5782994919,8cyclictest729-21latency_hist21:00:032
578199494,39cyclictest18660-21gltestperf23:50:161
5781994936,8cyclictest26011-21if_eth021:50:231
5781994931,11cyclictest26898-21fschecks_time23:00:161
5781994929,8cyclictest1287-21snmpd19:01:411
5781994923,10cyclictest4304-21gltestperf23:20:181
577799495,26cyclictest22725-21aten2.4-expect21:45:140
185832494,39sleep10-21swapper/120:26:421
156872493,7sleep214803-21yum-updatesd-he22:35:292
578399485,35cyclictest1419-21runrttasks23:15:133
578399485,25cyclictest0-21swapper/323:25:113
578399485,25cyclictest0-21swapper/323:25:113
578399484,27cyclictest0-21swapper/323:31:143
5783994830,10cyclictest5883-21needreboot22:15:243
578399482,9cyclictest0-21swapper/320:20:393
578299484,27cyclictest0-21swapper/220:50:232
578299484,27cyclictest0-21swapper/220:45:222
578299484,27cyclictest0-21swapper/220:40:212
578299483,40cyclictest0-21swapper/221:10:532
578299483,37cyclictest0-21swapper/223:40:132
578299483,23cyclictest0-21swapper/222:15:112
578199485,37cyclictest31971-21munin-run22:05:001
578199484,38cyclictest0-21swapper/122:25:291
578199484,37cyclictest0-21swapper/122:50:131
5781994833,10cyclictest884-21head00:20:241
5781994833,10cyclictest0-21swapper/122:05:271
578199483,40cyclictest0-21swapper/120:40:341
578199483,39cyclictest0-21swapper/120:55:021
577799485,20cyclictest0-21swapper/022:25:300
281672483,9sleep10-21swapper/120:46:581
578399475,26cyclictest0-21swapper/319:15:193
578299474,27cyclictest0-21swapper/221:20:182
578299474,27cyclictest0-21swapper/200:05:192
578299474,27cyclictest0-21swapper/200:05:192
578299474,26cyclictest0-21swapper/222:55:112
578299474,26cyclictest0-21swapper/220:25:252
578299474,26cyclictest0-21swapper/219:05:222
578299474,26cyclictest0-21swapper/219:05:222
578299474,25cyclictest0-21swapper/223:05:122
5782994730,10cyclictest9099-21tune2fs21:15:212
5782994730,10cyclictest9099-21tune2fs21:15:212
578299473,27cyclictest0-21swapper/223:30:192
578299473,27cyclictest0-21swapper/221:30:212
578299473,27cyclictest0-21swapper/219:45:232
578299473,27cyclictest0-21swapper/219:45:232
5782994724,8cyclictest12359-21unixbench_singl23:35:342
5782994719,11cyclictest0-21swapper/219:50:202
578199474,37cyclictest0-21swapper/120:22:411
5781994733,9cyclictest0-21swapper/119:25:201
5781994731,10cyclictest0-21swapper/119:45:311
5781994731,10cyclictest0-21swapper/119:45:311
578199473,35cyclictest0-21swapper/120:55:281
5781994720,12cyclictest0-21swapper/121:05:031
246042472,39sleep10-21swapper/119:31:561
174642473,10sleep00-21swapper/019:17:080
151712472,9sleep10-21swapper/119:13:261
139112472,39sleep10-21swapper/122:33:591
137912472,9sleep20-21swapper/222:32:272
578399464,24cyclictest10818-21head21:20:153
578299465,25cyclictest0-21swapper/221:45:302
578299464,35cyclictest28678-21needreboot19:40:322
578299464,26cyclictest0-21swapper/222:40:372
578299464,26cyclictest0-21swapper/222:40:372
578299464,25cyclictest0-21swapper/223:25:112
578299464,25cyclictest0-21swapper/223:25:112
578299464,25cyclictest0-21swapper/221:55:142
578299464,25cyclictest0-21swapper/221:55:142
5782994630,10cyclictest31835-21sed23:10:182
578299463,28cyclictest0-21swapper/223:55:212
578299463,26cyclictest0-21swapper/222:00:132
5782994619,11cyclictest0-21swapper/223:20:242
5782994617,12cyclictest0-21swapper/222:50:292
578199465,35cyclictest0-21swapper/120:10:291
5781994632,9cyclictest0-21swapper/123:45:251
5781994631,10cyclictest0-21swapper/122:40:301
5781994631,10cyclictest0-21swapper/122:40:301
578199463,37cyclictest0-21swapper/121:45:151
5781994621,10cyclictest8292-21telnet23:30:121
5781994618,12cyclictest0-21swapper/119:15:431
578299454,35cyclictest0-21swapper/219:55:432
578299454,33cyclictest0-21swapper/222:15:012
5782994530,9cyclictest1676-21nscd22:45:232
578299453,25cyclictest0-21swapper/221:50:352
5781994530,10cyclictest0-21swapper/119:40:291
578199453,34cyclictest0-21swapper/118:55:081
317532452,9sleep20-21swapper/200:18:122
31742452,9sleep10-21swapper/123:19:301
149662452,9sleep20-21swapper/219:10:452
71502442,9sleep10-21swapper/120:05:181
578399444,34cyclictest0-21swapper/318:55:083
578299444,33cyclictest0-21swapper/223:45:072
578299444,25cyclictest0-21swapper/223:01:282
578299444,25cyclictest0-21swapper/220:16:532
578299444,24cyclictest0-21swapper/221:25:132
578299444,12cyclictest0-21swapper/220:31:352
578299444,12cyclictest0-21swapper/220:31:352
578199444,35cyclictest0-21swapper/122:49:531
578199443,35cyclictest10851-21aten2.4-expect21:20:161
578199443,34cyclictest0-21swapper/119:55:231
5781994429,10cyclictest0-21swapper/123:40:161
5781994429,10cyclictest0-21swapper/100:10:071
5781994413,25cyclictest8404-21tail21:15:141
5781994413,25cyclictest8404-21tail21:15:141
119162442,35sleep10-21swapper/120:15:131
578399433,23cyclictest0-21swapper/320:25:163
578299435,32cyclictest0-21swapper/219:30:352
578299434,32cyclictest0-21swapper/221:40:132
578299434,32cyclictest0-21swapper/219:00:372
578299434,24cyclictest0-21swapper/219:25:202
578299433,25cyclictest0-21swapper/223:50:082
578299433,24cyclictest0-21swapper/220:24:052
5782994317,10cyclictest4784-21telnet20:00:192
112802432,9sleep20-21swapper/222:25:462
578299429,20cyclictest121850irq/46-eth020:05:312
578299424,32cyclictest0-21swapper/218:55:082
578299413,33cyclictest0-21swapper/222:05:192
578299413,12cyclictest0-21swapper/221:00:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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