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2026-04-22 - 03:02

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 Wed Apr 22, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991120,17rtkit-daemon2484-21rtkit-daemon19:09:370
2485991120,17rtkit-daemon2484-21rtkit-daemon19:09:370
2485991020,4rtkit-daemon12893-21munin-run18:18:021
11748991014,90cyclictest0-21swapper/020:03:160
248599990,7rtkit-daemon0-21swapper/018:39:391
1174899984,85cyclictest5506-21sh22:18:210
1174899973,66cyclictest0-21swapper/021:13:140
11748999516,57cyclictest2875-21aten_r1power_po21:28:070
1174899945,53cyclictest0-21swapper/021:04:210
1174899944,81cyclictest6846-21tune2fs21:33:130
1174899943,84cyclictest0-21swapper/021:02:040
1174899943,84cyclictest0-21swapper/019:18:170
1175399934,81cyclictest0-21swapper/320:13:143
1174899934,74cyclictest0-21swapper/021:27:480
1174899934,68cyclictest0-21swapper/020:18:190
1174899934,64cyclictest0-21swapper/022:23:220
1174899934,14cyclictest0-21swapper/021:53:380
1174899934,12cyclictest0-21swapper/019:24:170
1175399924,69cyclictest0-21swapper/321:43:063
1175399924,69cyclictest0-21swapper/321:43:063
1174899924,12cyclictest0-21swapper/022:33:090
1174899924,12cyclictest0-21swapper/022:03:280
1174899924,12cyclictest0-21swapper/021:48:500
1174899924,12cyclictest0-21swapper/020:23:230
1174899924,12cyclictest0-21swapper/019:43:270
1174899924,12cyclictest0-21swapper/019:28:210
1174899924,12cyclictest0-21swapper/017:18:040
1174899914,68cyclictest0-21swapper/022:31:400
1174899914,65cyclictest0-21swapper/020:28:080
1174899914,65cyclictest0-21swapper/020:28:080
1174899914,61cyclictest0-21swapper/017:53:160
1174899914,12cyclictest0-21swapper/021:18:290
1174899914,12cyclictest0-21swapper/019:08:000
11748999114,69cyclictest0-21swapper/019:17:410
1175399906,77cyclictest0-21swapper/319:23:273
1175399904,79cyclictest0-21swapper/320:18:323
1175399904,66cyclictest0-21swapper/322:26:273
1174899904,79cyclictest0-21swapper/022:09:020
1174899904,65cyclictest0-21swapper/019:40:580
1174899904,13cyclictest0-21swapper/018:28:220
1174899904,13cyclictest0-21swapper/018:28:220
1174899904,12cyclictest0-21swapper/021:58:100
1174899904,12cyclictest0-21swapper/021:46:290
1174899904,12cyclictest0-21swapper/021:46:290
1174899904,12cyclictest0-21swapper/020:38:080
1175399894,78cyclictest0-21swapper/319:18:253
1175399894,77cyclictest0-21swapper/321:52:503
1174899894,12cyclictest0-21swapper/019:35:020
1174899893,62cyclictest32529-21cpuspeed_turbos19:48:130
11748998912,53cyclictest0-21swapper/019:58:160
1175399884,78cyclictest0-21swapper/320:07:583
1175399884,64cyclictest0-21swapper/321:09:073
1175399884,64cyclictest0-21swapper/321:09:073
1175399883,50cyclictest16471-21kworker/3:120:27:533
11753998810,57cyclictest0-21swapper/319:33:203
1174899884,14cyclictest0-21swapper/020:13:220
1174899884,12cyclictest0-21swapper/017:34:510
1174899884,11cyclictest0-21swapper/019:55:310
1175399875,75cyclictest0-21swapper/322:09:353
1175399874,76cyclictest0-21swapper/320:08:213
1175399874,76cyclictest0-21swapper/319:28:313
1175399873,77cyclictest24242-21tr17:33:183
1175399873,53cyclictest0-21swapper/319:56:433
1174899878,70cyclictest0-21swapper/017:18:210
1174899874,14cyclictest0-21swapper/020:08:130
1174899874,13cyclictest0-21swapper/017:23:210
1174899874,10cyclictest1287-21snmpd20:55:240
1174899873,8cyclictest10112-21fschecks_count21:38:130
11748998714,58cyclictest22503-21ssh21:08:160
11748998714,58cyclictest22503-21ssh21:08:160
1175399864,75cyclictest0-21swapper/321:03:153
1174899864,66cyclictest1419-21runrttasks20:36:300
1174899864,65cyclictest0-21swapper/020:50:560
1174899864,65cyclictest0-21swapper/020:50:560
1174899864,63cyclictest0-21swapper/018:40:030
1174899864,12cyclictest0-21swapper/020:44:260
1174899864,12cyclictest0-21swapper/018:03:020
1174899863,12cyclictest0-21swapper/017:28:370
1175399854,74cyclictest0-21swapper/322:06:003
1175399854,74cyclictest0-21swapper/321:41:053
1175399854,74cyclictest0-21swapper/320:33:323
1175399854,74cyclictest0-21swapper/319:38:273
1175399854,73cyclictest15768-21munin-node22:33:233
1175399854,61cyclictest22977-21aten_r1power_cu21:58:043
1175399854,57cyclictest0-21swapper/319:43:263
1175399853,53cyclictest9881-21unixbench_singl20:48:283
1175399853,53cyclictest9881-21unixbench_singl20:48:283
1174899854,12cyclictest0-21swapper/018:53:210
1174899853,64cyclictest0-21swapper/017:43:140
1174899853,12cyclictest0-21swapper/022:13:290
248599840,4rtkit-daemon2484-21rtkit-daemon22:17:522
1175399845,73cyclictest0-21swapper/321:20:323
1175399844,73cyclictest20729-21grep17:23:363
1175399844,73cyclictest0-21swapper/322:13:053
1175399844,73cyclictest0-21swapper/317:28:323
1175399844,72cyclictest303-21ssh19:48:153
1175399844,72cyclictest1419-21runrttasks20:02:133
1175399844,72cyclictest0-21swapper/320:43:273
1175399844,72cyclictest0-21swapper/319:13:203
1175399844,65cyclictest0-21swapper/321:00:253
1175399844,65cyclictest0-21swapper/319:03:013
1175399843,74cyclictest25870-21gltestperf18:43:203
1175399843,73cyclictest0-21swapper/317:43:203
1174899844,64cyclictest0-21swapper/017:08:310
1174899844,13cyclictest0-21swapper/018:08:200
1174899844,12cyclictest0-21swapper/018:27:280
1174899844,12cyclictest0-21swapper/018:27:280
1175399835,71cyclictest0-21swapper/321:32:313
1175399834,72cyclictest0-21swapper/320:28:373
1175399834,72cyclictest0-21swapper/320:28:373
1175399834,72cyclictest0-21swapper/319:12:453
1175399834,72cyclictest0-21swapper/319:12:453
1175399834,71cyclictest0-21swapper/321:53:013
1174899834,64cyclictest0-21swapper/018:35:020
1175399824,72cyclictest0-21swapper/321:37:353
1175399824,71cyclictest0-21swapper/322:28:113
1175399824,71cyclictest0-21swapper/321:13:183
1175399824,54cyclictest0-21swapper/320:42:483
1175399816,69cyclictest0-21swapper/322:20:183
1175399814,70cyclictest0-21swapper/320:53:093
1175399814,70cyclictest0-21swapper/318:13:333
1175399813,69cyclictest17895-21munin-node18:28:253
1175399813,69cyclictest17895-21munin-node18:28:253
1174899817,65cyclictest0-21swapper/017:53:040
1174899814,62cyclictest0-21swapper/018:04:570
1174899814,12cyclictest0-21swapper/018:13:250
1174899813,21cyclictest27374-21latency17:38:270
1175399804,69cyclictest0-21swapper/317:38:343
1175399804,69cyclictest0-21swapper/317:13:293
1175399803,10cyclictest32580-21head21:23:143
1175399793,58cyclictest0-21swapper/317:18:223
1175399784,67cyclictest0-21swapper/317:53:153
1175399783,44cyclictest0-21swapper/318:33:183
1174899784,14cyclictest0-21swapper/017:08:050
1174899784,12cyclictest0-21swapper/018:43:280
1175399774,66cyclictest0-21swapper/318:38:333
11748997732,38cyclictest32568-21cpuspeed_turbos18:58:140
1175399767,61cyclictest0-21swapper/318:53:063
1175399764,47cyclictest0-21swapper/318:23:143
1175399764,47cyclictest0-21swapper/318:23:143
1174899763,11cyclictest13929-21grep18:18:220
1175399754,64cyclictest0-21swapper/318:48:163
1174899753,65cyclictest0-21swapper/018:50:050
1175399744,53cyclictest0-21swapper/318:08:263
1175399734,56cyclictest0-21swapper/317:48:193
1175399725,60cyclictest0-21swapper/318:18:133
1175399725,59cyclictest0-21swapper/317:08:283
1175399723,62cyclictest0-21swapper/318:03:153
11752997149,13cyclictest1419-21runrttasks18:58:002
1175399704,52cyclictest0-21swapper/319:03:123
1175399694,59cyclictest0-21swapper/317:58:183
248599680,5rtkit-daemon2484-21rtkit-daemon19:08:221
248599680,5rtkit-daemon2484-21rtkit-daemon19:08:221
11752996847,15cyclictest0-21swapper/221:23:102
248599670,4rtkit-daemon2484-21rtkit-daemon19:13:221
1175199675,54cyclictest0-21swapper/121:52:531
1175199673,57cyclictest0-21swapper/122:03:241
248599660,4rtkit-daemon2484-21rtkit-daemon18:08:321
11752996624,11cyclictest1419-21runrttasks20:44:392
11752996623,35cyclictest1419-21runrttasks21:51:032
11752996545,10cyclictest4483-21diskmemload21:18:222
11752996543,14cyclictest0-21swapper/221:43:062
11752996543,14cyclictest0-21swapper/221:43:062
11752996531,25cyclictest0-21swapper/219:46:122
1175399643,54cyclictest11842-21latency_hist17:08:053
1175199644,52cyclictest0-21swapper/122:23:131
1175199644,51cyclictest4527-21tr22:18:071
1175299635,50cyclictest0-21swapper/220:08:272
11752996343,13cyclictest0-21swapper/219:13:152
1175199634,52cyclictest0-21swapper/119:58:321
1175199633,53cyclictest0-21swapper/122:35:461
11751996313,10cyclictest21682-21kworker/1:021:08:091
11751996313,10cyclictest21682-21kworker/1:021:08:091
248599620,5rtkit-daemon0-21swapper/317:18:342
11752996234,12cyclictest0-21swapper/219:23:192
1175299623,24cyclictest0-21swapper/222:18:082
1175199624,49cyclictest0-21swapper/122:28:201
248599610,5rtkit-daemon0-21swapper/317:33:412
212092613,8sleep118410-21kworker/1:119:30:551
11752996132,14cyclictest0-21swapper/220:40:232
1175299612,53cyclictest0-21swapper/221:35:352
248599600,5rtkit-daemon0-21swapper/317:48:112
248599600,4rtkit-daemon1460-21df17:53:181
1175299604,47cyclictest0-21swapper/222:23:192
1175299604,33cyclictest0-21swapper/219:10:252
1175299604,33cyclictest0-21swapper/219:10:252
11752996033,12cyclictest0-21swapper/220:48:422
11752996033,12cyclictest0-21swapper/220:48:422
1175299603,50cyclictest0-21swapper/222:28:152
1175199604,49cyclictest0-21swapper/119:18:551
248599590,4rtkit-daemon2484-21rtkit-daemon20:56:562
19832593,10sleep10-21swapper/121:26:341
1175299595,45cyclictest0-21swapper/219:52:562
1175299592,51cyclictest0-21swapper/219:42:022
1175199593,49cyclictest0-21swapper/119:25:301
11751995912,28cyclictest25556-21aten_r1power_po19:38:111
212772583,48sleep10-21swapper/121:07:511
1175299584,46cyclictest0-21swapper/221:28:052
1175299584,34cyclictest0-21swapper/220:13:192
1175299583,49cyclictest0-21swapper/218:14:592
1175299582,50cyclictest0-21swapper/221:05:302
1175299582,50cyclictest0-21swapper/220:36:542
1175299582,50cyclictest0-21swapper/219:22:002
1175199584,47cyclictest0-21swapper/120:43:221
1175199584,46cyclictest20374-21perl21:53:111
11751995825,25cyclictest28311-21munin-node21:18:071
257842573,47sleep10-21swapper/120:24:581
1175299575,44cyclictest0-21swapper/218:33:192
1175299574,44cyclictest0-21swapper/221:38:062
1175299573,48cyclictest0-21swapper/220:31:312
1175299573,48cyclictest0-21swapper/220:31:312
1175299573,48cyclictest0-21swapper/219:58:022
11752995711,27cyclictest0-21swapper/222:03:102
1175199575,31cyclictest0-21swapper/121:58:101
1175299564,43cyclictest0-21swapper/220:03:142
1175299564,42cyclictest0-21swapper/217:13:342
11752995638,10cyclictest4510-21tail19:53:242
1175299563,47cyclictest0-21swapper/221:55:462
1175299562,48cyclictest0-21swapper/222:32:562
1175199565,27cyclictest13816-21sort21:43:151
1175199565,27cyclictest13816-21sort21:43:151
1175199564,46cyclictest0-21swapper/122:09:141
1175199563,47cyclictest0-21swapper/120:56:591
1175199563,45cyclictest4483-21diskmemload19:43:121
254152553,12sleep20-21swapper/218:43:152
176692553,46sleep10-21swapper/121:01:591
1175299555,43cyclictest0-21swapper/219:35:092
1175299552,47cyclictest0-21swapper/220:23:352
1175199554,42cyclictest0-21swapper/121:37:551
1175199554,16cyclictest0-21swapper/120:21:571
1175199553,46cyclictest0-21swapper/120:11:211
1175299543,46cyclictest0-21swapper/222:01:522
11752995425,13cyclictest0-21swapper/221:08:072
11752995425,13cyclictest0-21swapper/221:08:072
11752995421,14cyclictest0-21swapper/219:29:182
1175299542,47cyclictest0-21swapper/221:00:042
1175199545,40cyclictest0-21swapper/121:28:171
1175199545,15cyclictest0-21swapper/120:38:391
11751995436,10cyclictest27783-21tr18:48:151
1175199543,10cyclictest0-21swapper/120:29:241
1175199543,10cyclictest0-21swapper/120:29:241
11751995425,13cyclictest0-21swapper/119:48:581
11751995422,13cyclictest0-21swapper/120:03:331
11751995421,15cyclictest0-21swapper/117:13:321
61852533,12sleep10-21swapper/119:57:241
235202532,11sleep10-21swapper/117:31:111
1175299533,45cyclictest0-21swapper/221:14:002
1175299533,42cyclictest0-21swapper/218:38:282
1175299532,46cyclictest0-21swapper/220:20:362
1175199534,44cyclictest0-21swapper/120:15:431
1175199534,42cyclictest323762sleep120:34:281
1175199534,42cyclictest0-21swapper/121:14:161
1175199534,30cyclictest0-21swapper/118:28:021
1175199534,30cyclictest0-21swapper/118:28:021
1175199534,27cyclictest0-21swapper/118:53:051
1175199533,9cyclictest1419-21runrttasks21:41:051
1175199533,45cyclictest0-21swapper/119:34:541
11751995322,26cyclictest0-21swapper/118:22:251
305322524,41sleep10-21swapper/117:44:171
270302523,10sleep10-21swapper/118:45:521
248599520,5rtkit-daemon2484-21rtkit-daemon17:03:272
1175299525,39cyclictest0-21swapper/217:43:152
1175299524,30cyclictest0-21swapper/218:48:152
1175299522,44cyclictest0-21swapper/218:28:222
1175299522,44cyclictest0-21swapper/218:28:222
1175299522,20cyclictest0-21swapper/219:03:132
1175199524,30cyclictest0-21swapper/120:48:181
1175199524,30cyclictest0-21swapper/120:48:181
1175199524,30cyclictest0-21swapper/117:24:501
1175199524,29cyclictest0-21swapper/117:48:281
11751995221,12cyclictest0-21swapper/122:17:441
18802514,40sleep10-21swapper/119:01:491
1175299515,38cyclictest0-21swapper/217:28:362
1175299514,29cyclictest0-21swapper/217:53:222
11752995120,14cyclictest0-21swapper/222:08:072
1175299512,43cyclictest0-21swapper/218:58:202
1175299512,43cyclictest0-21swapper/218:07:062
1175199515,39cyclictest0-21swapper/117:18:231
1175199513,42cyclictest19944-21runrttasks18:31:471
1175199513,42cyclictest19944-21runrttasks18:31:471
121322503,41sleep112259-21cpuspeed_turbos17:08:171
1175299504,39cyclictest0-21swapper/218:23:242
1175299504,39cyclictest0-21swapper/218:23:242
1175299504,28cyclictest0-21swapper/217:38:362
1175199504,29cyclictest0-21swapper/119:03:121
1175199504,29cyclictest0-21swapper/118:33:191
11751995022,12cyclictest1287-21snmpd17:34:521
1175299495,37cyclictest0-21swapper/217:08:212
1175299494,27cyclictest0-21swapper/217:23:362
1175299494,13cyclictest0-21swapper/217:58:342
1175199494,28cyclictest0-21swapper/117:59:331
1175299483,39cyclictest0-21swapper/218:08:322
11751994819,14cyclictest0-21swapper/117:38:281
1175299472,39cyclictest0-21swapper/218:18:252
11751994728,10cyclictest6270-21cpuspeed_turbos18:03:181
114222464,6sleep10-21swapper/117:04:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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