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2026-01-10 - 02:19

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 highest latencies:
System rack1slot6s.osadl.org (updated Sat Jan 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991020,6rtkit-daemon0-21swapper/021:49:010
2485991020,6rtkit-daemon0-21swapper/021:49:010
19595991014,24cyclictest0-21swapper/020:48:450
1959699995,12cyclictest0-21swapper/123:34:011
248599970,7rtkit-daemon0-21swapper/021:44:010
1959699973,12cyclictest0-21swapper/121:39:401
1959599974,37cyclictest26296-21ssh22:39:010
1959599974,37cyclictest26296-21ssh22:39:010
19595999730,22cyclictest1419-21runrttasks21:30:510
1959699944,11cyclictest0-21swapper/122:40:551
1959699944,11cyclictest0-21swapper/122:40:551
1959699933,84cyclictest16936-21tr23:13:541
1959699913,12cyclictest0-21swapper/123:53:491
1959699913,12cyclictest0-21swapper/119:19:051
1959599914,32cyclictest0-21swapper/023:18:530
1959599914,32cyclictest0-21swapper/023:18:530
1959599914,27cyclictest0-21swapper/023:03:420
1959599913,28cyclictest0-21swapper/019:58:500
1959699904,12cyclictest0-21swapper/121:22:501
1959699903,9cyclictest32198-21stty22:48:551
1959699903,11cyclictest14746-21cpuspeed23:58:511
1959699903,11cyclictest14746-21cpuspeed23:58:511
1959599904,45cyclictest0-21swapper/021:24:170
1959599904,30cyclictest0-21swapper/022:22:490
19595999031,14cyclictest0-21swapper/022:30:560
248599890,7rtkit-daemon0-21swapper/023:48:480
1959699894,11cyclictest0-21swapper/121:25:121
1959699893,12cyclictest0-21swapper/121:08:591
1959699893,11cyclictest0-21swapper/119:39:001
1959599896,38cyclictest0-21swapper/022:26:290
1959599895,37cyclictest0-21swapper/023:08:090
1959699888,7cyclictest0-21swapper/122:03:571
1959699884,12cyclictest0-21swapper/123:46:081
1959699884,12cyclictest0-21swapper/121:46:341
1959699884,12cyclictest0-21swapper/121:36:561
1959599884,29cyclictest0-21swapper/000:04:060
1959599884,29cyclictest0-21swapper/000:04:060
1959599884,26cyclictest363-21ssh21:13:460
1959699874,65cyclictest24328-21chrt00:13:391
1959699874,59cyclictest14596-21sshd22:22:011
1959699874,11cyclictest0-21swapper/122:33:231
1959599874,27cyclictest0-21swapper/022:49:540
1959599873,36cyclictest0-21swapper/022:34:140
19595998713,32cyclictest0-21swapper/023:38:530
19597998629,49cyclictest0-21swapper/222:29:142
1959699864,9cyclictest22835-21taskset23:23:001
1959699864,9cyclictest22835-21taskset23:23:001
1959699864,12cyclictest0-21swapper/123:11:171
1959699864,11cyclictest0-21swapper/100:05:231
1959699864,11cyclictest0-21swapper/100:05:231
1959699863,12cyclictest0-21swapper/121:58:571
1959699854,12cyclictest0-21swapper/122:24:351
1959699853,12cyclictest0-21swapper/122:44:531
1959699853,11cyclictest0-21swapper/123:24:381
1959699852,60cyclictest14701-21ssh20:45:461
1959599854,29cyclictest0-21swapper/023:48:400
1959699844,13cyclictest0-21swapper/123:04:141
1959699844,13cyclictest0-21swapper/121:54:101
1959699844,13cyclictest0-21swapper/121:54:101
1959699844,13cyclictest0-21swapper/121:04:081
1959699844,12cyclictest0-21swapper/121:51:091
1959699844,12cyclictest0-21swapper/121:51:091
1959699843,62cyclictest12327-21diskmemload23:02:351
1959699843,12cyclictest0-21swapper/123:32:021
19597998335,18cyclictest16743-21sed20:49:052
19597998323,53cyclictest0-21swapper/221:56:022
19597998323,53cyclictest0-21swapper/221:56:022
1959699834,60cyclictest0-21swapper/121:29:271
1959699834,14cyclictest0-21swapper/123:40:551
1959699834,12cyclictest0-21swapper/120:49:131
1959699833,11cyclictest0-21swapper/120:59:161
1959599835,29cyclictest0-21swapper/022:04:060
19597998236,38cyclictest428-21munin-node20:19:062
19597998235,27cyclictest1419-21runrttasks22:44:372
19597998232,32cyclictest29744-21crond23:33:402
1959699824,12cyclictest0-21swapper/122:54:101
1959699814,13cyclictest0-21swapper/120:28:481
1959699814,12cyclictest0-21swapper/121:18:461
1959699814,12cyclictest0-21swapper/120:53:561
1959699813,12cyclictest0-21swapper/123:50:011
19596998121,45cyclictest8769-21aten_r1power_vo22:13:551
174402810,4sleep317439-21head23:13:593
19597998031,31cyclictest17162-21df_inode23:13:562
19597998030,41cyclictest1419-21runrttasks00:04:032
19597998030,41cyclictest1419-21runrttasks00:04:032
19597998030,31cyclictest10477-21ssh21:28:452
19597998025,47cyclictest0-21swapper/223:38:562
19597998025,33cyclictest0-21swapper/221:30:262
1959699804,12cyclictest0-21swapper/120:33:481
1959699804,12cyclictest0-21swapper/120:33:481
19597997932,29cyclictest30158-21aten_r1power_vo23:33:532
19597997926,23cyclictest0-21swapper/221:09:042
19597997925,35cyclictest0-21swapper/221:07:382
1959699797,12cyclictest0-21swapper/120:08:481
1959699794,12cyclictest0-21swapper/122:34:141
1959699794,11cyclictest0-21swapper/122:11:581
1959699794,11cyclictest0-21swapper/118:53:511
1959699793,12cyclictest0-21swapper/119:34:571
19597997832,39cyclictest6532-21head22:58:522
19597997830,31cyclictest22680-21processes00:09:062
19597997830,14cyclictest1419-21runrttasks23:51:052
19597997825,47cyclictest0-21swapper/223:24:292
19597997823,35cyclictest0-21swapper/221:49:082
19597997823,35cyclictest0-21swapper/221:49:082
1959699784,11cyclictest0-21swapper/120:20:251
1959599783,25cyclictest0-21swapper/022:02:570
19597997731,39cyclictest21486-21fschecks_count21:44:012
19597997730,30cyclictest1419-21runrttasks23:21:102
19597997730,30cyclictest1419-21runrttasks23:21:102
19597997729,40cyclictest0-21swapper/220:29:052
19597997729,40cyclictest0-21swapper/220:29:052
19597997728,40cyclictest0-21swapper/222:19:062
19597997726,33cyclictest0-21swapper/220:56:512
19597997722,32cyclictest0-21swapper/222:49:022
1959699779,8cyclictest121850irq/46-eth020:34:001
1959699774,12cyclictest0-21swapper/119:08:571
19596997721,50cyclictest19106-21df_abs19:49:041
19596997721,50cyclictest19106-21df_abs19:49:041
19596997720,42cyclictest6618-21munin-node19:24:101
19596997719,51cyclictest25510-21idleruntime-cro20:03:491
19597997632,27cyclictest7500-21ssh22:10:352
19597997629,28cyclictest15578-21ssh23:59:002
19597997629,28cyclictest15578-21ssh23:59:002
19597997628,41cyclictest0-21swapper/221:34:022
19597997628,41cyclictest0-21swapper/221:19:012
19597997628,40cyclictest23823-21ssh20:59:062
19597997627,41cyclictest0-21swapper/221:14:002
19597997627,34cyclictest0-21swapper/220:43:582
19597997627,30cyclictest0-21swapper/219:19:072
1959699763,13cyclictest0-21swapper/118:44:241
19596997621,39cyclictest1722-21munin-node19:14:121
19596997613,55cyclictest10291-21aten_r1power_po20:38:581
19597997531,36cyclictest21986-21runrttasks22:33:452
19597997530,13cyclictest6276-21grep23:44:122
19597997528,29cyclictest0-21swapper/221:40:592
19597997527,41cyclictest0-21swapper/222:03:592
19597997527,40cyclictest29661-21kworker/2:021:59:162
19597997527,39cyclictest0-21swapper/223:13:412
19597997526,32cyclictest0-21swapper/223:55:072
19597997427,40cyclictest0-21swapper/219:14:222
19597997426,41cyclictest0-21swapper/220:34:012
19596997413,8cyclictest20963-21munin-node19:54:001
19597997332,33cyclictest9878-21gltestperf19:29:092
19597997331,34cyclictest32064-21tr19:09:032
19597997325,30cyclictest0-21swapper/222:15:372
19597997322,20cyclictest0-21swapper/222:53:532
19597997321,45cyclictest0-21swapper/223:04:272
1959699734,12cyclictest0-21swapper/119:04:201
1959699734,12cyclictest0-21swapper/119:04:201
1959699734,10cyclictest0-21swapper/119:44:131
19596997322,44cyclictest1419-21runrttasks20:09:171
19597997225,40cyclictest0-21swapper/219:24:082
19597997223,32cyclictest26089-21taskset22:38:592
19597997223,32cyclictest26089-21taskset22:38:592
19596997219,46cyclictest28185-21needreboot18:59:171
19596997213,52cyclictest30838-21cpuspeed_turbos20:14:001
19597997127,37cyclictest0-21swapper/222:23:522
19597997122,42cyclictest0-21swapper/219:49:042
19597997122,42cyclictest0-21swapper/219:49:042
19597997119,45cyclictest0-21swapper/220:04:172
19597997117,46cyclictest0-21swapper/218:48:522
19596997121,44cyclictest9412-21expr19:29:041
19596997118,46cyclictest1419-21runrttasks18:53:561
123192690,4sleep312318-21ssh21:29:153
19597996847,15cyclictest0-21swapper/219:04:232
19597996847,15cyclictest0-21swapper/219:04:232
19597996821,39cyclictest1287-21snmpd20:40:292
248599670,3rtkit-daemon2484-21rtkit-daemon22:15:223
19597996724,36cyclictest0-21swapper/219:34:072
19597996723,36cyclictest23117-21latency_hist19:58:502
19597996718,42cyclictest0-21swapper/219:39:052
1959699674,12cyclictest0-21swapper/118:43:511
183012678,48sleep30-21swapper/318:39:083
248599660,22rtkit-daemon2484-21rtkit-daemon23:34:110
19597996621,37cyclictest7250irq/45-ahci18:43:522
19597996524,34cyclictest0-21swapper/218:59:192
19597996523,35cyclictest17020-21gltestperf19:44:072
19597996435,15cyclictest24629-21taskset19:59:152
19597996417,40cyclictest0-21swapper/220:09:022
19597996337,19cyclictest22851-21fschecks_count18:49:072
19597996324,24cyclictest1419-21runrttasks18:57:402
19597996316,40cyclictest0-21swapper/220:14:052
248599620,12rtkit-daemon2484-21rtkit-daemon20:24:412
248599610,4rtkit-daemon2484-21rtkit-daemon00:12:550
19595996016,11cyclictest16710-21gltestperf20:49:050
248599590,4rtkit-daemon2484-21rtkit-daemon23:53:480
19598995941,12cyclictest14640-21gltestperf19:39:083
19598995926,14cyclictest15004-21cut21:34:033
1959899573,48cyclictest0-21swapper/322:53:103
1959599575,30cyclictest0-21swapper/022:08:560
243492563,12sleep30-21swapper/320:59:173
1959899562,41cyclictest0-21swapper/323:29:253
1959599564,32cyclictest0-21swapper/021:43:120
253722554,8sleep30-21swapper/322:38:533
253722554,8sleep30-21swapper/322:38:533
1959599555,28cyclictest0-21swapper/022:14:140
1959599554,33cyclictest0-21swapper/023:29:370
19595995524,10cyclictest4271-21ssh22:54:050
316942542,10sleep00-21swapper/022:48:130
308092543,41sleep30-21swapper/321:58:473
262582543,9sleep326372-21munin-node18:54:233
1959599545,28cyclictest0-21swapper/021:04:070
1959599544,29cyclictest0-21swapper/021:00:110
1959599543,36cyclictest0-21swapper/021:16:240
1959599543,30cyclictest0-21swapper/021:54:360
1959599543,30cyclictest0-21swapper/021:54:360
19595995422,13cyclictest0-21swapper/018:59:140
19595995420,14cyclictest0-21swapper/019:09:080
19595995419,13cyclictest0-21swapper/020:56:580
315012534,42sleep00-21swapper/019:08:460
315012534,42sleep00-21swapper/019:08:460
212762533,41sleep30-21swapper/320:54:373
205712533,44sleep00-21swapper/019:51:510
205712533,44sleep00-21swapper/019:51:510
1959899534,42cyclictest0-21swapper/322:29:113
1959899534,13cyclictest0-21swapper/321:19:153
1959899533,36cyclictest0-21swapper/321:14:463
1959599535,28cyclictest0-21swapper/020:34:190
1959599535,27cyclictest0-21swapper/023:58:520
1959599535,27cyclictest0-21swapper/023:58:520
1959599533,44cyclictest0-21swapper/021:33:590
19595995317,12cyclictest0-21swapper/023:09:010
158262535,9sleep00-21swapper/019:42:160
1959899524,30cyclictest0-21swapper/323:44:053
1959899523,26cyclictest0-21swapper/323:24:003
19598995218,28cyclictest361ktimersoftd/323:19:043
19598995218,28cyclictest361ktimersoftd/323:19:043
1959599525,28cyclictest0-21swapper/020:04:060
1959599524,27cyclictest0-21swapper/023:13:560
1959599524,26cyclictest0-21swapper/019:23:500
19595995220,12cyclictest0-21swapper/023:23:500
19595995220,12cyclictest0-21swapper/020:10:230
1959599522,35cyclictest9002-21munin-node19:29:140
19595995218,13cyclictest0-21swapper/021:22:060
19595995218,12cyclictest0-21swapper/020:15:240
146142522,42sleep30-21swapper/320:45:263
132872524,42sleep00-21swapper/019:35:180
83212512,42sleep30-21swapper/322:13:383
30572513,41sleep00-21swapper/019:14:140
243152513,41sleep00-21swapper/018:53:310
1959899514,40cyclictest0-21swapper/323:39:013
1959899514,29cyclictest0-21swapper/318:53:513
1959899514,28cyclictest0-21swapper/321:04:163
1959899514,27cyclictest0-21swapper/300:03:553
1959899514,27cyclictest0-21swapper/300:03:553
1959899513,40cyclictest0-21swapper/320:29:043
1959899513,40cyclictest0-21swapper/320:29:043
19598995121,12cyclictest0-21swapper/322:38:373
1959599515,27cyclictest0-21swapper/020:39:180
1959599514,28cyclictest0-21swapper/019:24:120
1959599514,27cyclictest0-21swapper/018:58:510
1959599514,27cyclictest0-21swapper/018:44:120
19595995118,11cyclictest0-21swapper/020:24:030
19595995116,12cyclictest0-21swapper/020:29:060
19595995116,12cyclictest0-21swapper/020:29:060
19595995116,12cyclictest0-21swapper/019:59:200
326022502,9sleep30-21swapper/321:13:243
1959899504,28cyclictest0-21swapper/322:44:123
1959899504,27cyclictest0-21swapper/319:09:083
1959899504,27cyclictest0-21swapper/318:59:213
19598995033,10cyclictest11054-21cut20:39:053
19598995030,13cyclictest0-21swapper/300:00:173
19598995030,13cyclictest0-21swapper/300:00:173
19598995019,13cyclictest0-21swapper/319:34:203
1959599504,27cyclictest0-21swapper/020:21:060
1959599503,24cyclictest1419-21runrttasks19:44:010
128582502,41sleep30-21swapper/323:08:243
85882492,9sleep30-21swapper/323:00:023
1959899494,38cyclictest0-21swapper/319:28:493
1959899494,28cyclictest0-21swapper/300:09:053
1959899494,27cyclictest0-21swapper/323:48:573
1959899494,27cyclictest0-21swapper/323:08:533
1959899494,27cyclictest0-21swapper/322:54:023
1959899494,27cyclictest0-21swapper/322:18:453
1959899494,27cyclictest0-21swapper/322:06:113
1959899494,27cyclictest0-21swapper/321:53:543
1959899494,27cyclictest0-21swapper/321:53:543
1959899494,27cyclictest0-21swapper/320:09:163
1959899494,27cyclictest0-21swapper/319:44:073
1959899494,27cyclictest0-21swapper/318:44:023
19598994931,10cyclictest19449-21gltestperf19:49:083
19598994931,10cyclictest19449-21gltestperf19:49:083
1959899493,40cyclictest0-21swapper/322:24:033
1959899493,39cyclictest0-21swapper/323:35:083
19598994920,13cyclictest0-21swapper/321:52:373
19598994920,13cyclictest0-21swapper/321:52:373
19598994920,12cyclictest0-21swapper/320:49:483
19598994920,12cyclictest0-21swapper/320:33:583
1959899484,27cyclictest0-21swapper/321:28:313
19598994831,10cyclictest4668-21unixbench-2d20:24:193
1959899483,38cyclictest0-21swapper/319:19:023
1959899483,25cyclictest0-21swapper/323:55:343
230142473,9sleep30-21swapper/319:57:343
1959899474,26cyclictest0-21swapper/321:38:503
1959899474,26cyclictest0-21swapper/319:59:013
1959899474,26cyclictest0-21swapper/319:04:103
1959899474,26cyclictest0-21swapper/319:04:103
1959899473,26cyclictest21683-21gltestperf21:44:023
195362474,6sleep00-21swapper/018:43:310
1959899464,25cyclictest0-21swapper/319:30:173
19598994615,13cyclictest0-21swapper/319:14:083
324982452,9sleep30-21swapper/320:16:453
19598994427,10cyclictest738-21cpuspeed_turbos20:19:023
1959899425,22cyclictest0-21swapper/320:04:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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