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2026-09-22 - 10:01

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 Tue Sep 22, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43209910343,12cyclictest0-21swapper/021:41:040
432399985,44cyclictest0-21swapper/121:41:201
432399984,54cyclictest29346-21diskmemload21:13:261
432599943,73cyclictest0-21swapper/320:41:253
432599934,72cyclictest0-21swapper/321:40:083
432599934,71cyclictest0-21swapper/319:35:153
432599934,67cyclictest0-21swapper/318:50:543
4320999343,12cyclictest0-21swapper/022:31:090
432599924,67cyclictest0-21swapper/319:59:263
432599924,67cyclictest0-21swapper/319:59:263
432599914,75cyclictest0-21swapper/319:26:123
432599914,69cyclictest0-21swapper/321:07:463
4325999111,71cyclictest0-21swapper/319:47:093
432599904,67cyclictest0-21swapper/321:27:173
432599904,67cyclictest0-21swapper/321:03:283
432599894,77cyclictest0-21swapper/321:49:343
432599894,68cyclictest0-21swapper/322:46:053
432599884,67cyclictest0-21swapper/322:24:033
432599884,66cyclictest0-21swapper/322:28:053
432599884,66cyclictest0-21swapper/321:54:133
432599884,65cyclictest0-21swapper/321:56:043
432599883,68cyclictest11210-21taskset20:30:493
432599879,55cyclictest26726-21cut22:31:063
432599876,58cyclictest0-21swapper/322:11:093
432599874,64cyclictest0-21swapper/319:16:263
432599874,62cyclictest7419-21sshd22:01:153
432599874,62cyclictest7419-21sshd22:01:153
432599873,77cyclictest0-21swapper/320:18:413
432599864,8cyclictest1227-21runrttasks22:06:123
432599864,73cyclictest0-21swapper/319:51:113
432599864,66cyclictest0-21swapper/321:19:553
432599863,65cyclictest0-21swapper/321:44:593
432599854,73cyclictest8011-21ssh21:13:473
432599854,73cyclictest0-21swapper/320:12:563
432599854,67cyclictest0-21swapper/322:18:173
432599854,66cyclictest0-21swapper/320:06:263
432599854,66cyclictest0-21swapper/319:36:033
432599854,61cyclictest0-21swapper/320:36:013
432599854,61cyclictest0-21swapper/320:36:013
432599854,58cyclictest0-21swapper/321:22:113
432599854,55cyclictest0-21swapper/320:31:013
432599853,76cyclictest0-21swapper/319:25:373
432599844,64cyclictest0-21swapper/317:31:153
432599843,66cyclictest0-21swapper/320:50:053
432599843,62cyclictest0-21swapper/320:21:163
432599838,52cyclictest0-21swapper/322:44:193
432599838,52cyclictest0-21swapper/322:44:193
432599834,72cyclictest0-21swapper/319:11:213
432599834,71cyclictest0-21swapper/318:06:083
432599834,70cyclictest13279-21ssh19:43:343
432599833,72cyclictest0-21swapper/318:40:363
432599833,72cyclictest0-21swapper/318:40:363
432599832,60cyclictest0-21swapper/320:04:343
4325998310,51cyclictest29346-21diskmemload22:36:153
432599824,70cyclictest19850-21memory21:31:133
432599824,60cyclictest0-21swapper/318:26:283
432599824,54cyclictest0-21swapper/318:41:153
432599824,54cyclictest0-21swapper/318:41:153
432599823,61cyclictest26280-21sed20:51:223
432599814,63cyclictest0-21swapper/317:30:583
4325998117,40cyclictest29244-21open_files20:56:183
432599804,68cyclictest0-21swapper/318:31:193
432599804,64cyclictest0-21swapper/318:56:233
432599795,61cyclictest0-21swapper/317:46:173
432599794,63cyclictest0-21swapper/317:41:113
432599794,48cyclictest0-21swapper/317:40:573
432599793,68cyclictest0-21swapper/319:02:133
4324997932,27cyclictest30993-21cpuspeed_turbos20:11:062
432599784,52cyclictest0-21swapper/318:21:113
432599784,52cyclictest0-21swapper/317:21:243
432599783,67cyclictest19706-21gltestperf17:51:163
186682780,4sleep018757-21grep20:41:110
432599779,44cyclictest0-21swapper/318:11:103
432599773,52cyclictest21247-21munin-node17:56:103
432599773,52cyclictest21247-21munin-node17:56:103
432599758,50cyclictest0-21swapper/319:06:163
432599755,63cyclictest0-21swapper/318:20:563
432599754,52cyclictest0-21swapper/318:51:273
432599744,55cyclictest0-21swapper/318:05:243
432099686,55cyclictest0-21swapper/021:06:190
432599674,56cyclictest0-21swapper/317:20:593
4323996651,9cyclictest5691-21cut20:21:101
432499654,53cyclictest0-21swapper/222:16:422
4320996445,11cyclictest9712-21sed21:16:110
432499634,52cyclictest0-21swapper/218:15:562
432499624,51cyclictest0-21swapper/222:11:172
432099625,50cyclictest0-21swapper/019:26:270
432099624,22cyclictest0-21swapper/021:26:170
432499614,51cyclictest0-21swapper/222:28:482
432499614,50cyclictest0-21swapper/217:26:172
432499614,49cyclictest0-21swapper/222:21:522
432499613,42cyclictest0-21swapper/218:06:072
432099612,54cyclictest0-21swapper/019:31:050
432499605,48cyclictest17795-21sadc20:40:502
432499605,48cyclictest17795-21sadc20:40:502
432499605,48cyclictest0-21swapper/221:57:432
432499604,39cyclictest0-21swapper/222:09:342
4324996039,12cyclictest24548-21crond19:10:532
432499603,50cyclictest6382-21rt-features20:21:212
4324996011,33cyclictest0-21swapper/222:41:182
4324996011,33cyclictest0-21swapper/222:41:182
432399605,49cyclictest0-21swapper/119:37:221
4323996040,13cyclictest0-21swapper/120:26:091
432399604,48cyclictest0-21swapper/121:03:541
4320996043,11cyclictest0-21swapper/022:26:030
432099604,49cyclictest0-21swapper/022:03:570
432099604,49cyclictest0-21swapper/022:03:570
4320996035,19cyclictest0-21swapper/022:23:050
179902603,49sleep00-21swapper/018:56:090
7152594,47sleep00-21swapper/020:14:020
432499594,28cyclictest0-21swapper/218:46:252
4324995911,28cyclictest0-21swapper/219:26:122
4323995932,13cyclictest0-21swapper/119:11:381
4320995943,10cyclictest27951-21fschecks_count20:06:100
317952596,12sleep20-21swapper/222:39:222
113072592,11sleep20-21swapper/218:41:162
113072592,11sleep20-21swapper/218:41:162
432499585,35cyclictest0-21swapper/220:01:362
4324995840,11cyclictest19176-21grep17:51:112
432399584,46cyclictest0-21swapper/120:46:131
432099585,48cyclictest0-21swapper/019:53:120
4320995840,13cyclictest0-21swapper/019:36:250
432099584,12cyclictest0-21swapper/021:31:210
307632582,50sleep00-21swapper/021:00:140
432499575,16cyclictest0-21swapper/220:57:032
432499573,27cyclictest0-21swapper/217:56:252
432499573,27cyclictest0-21swapper/217:56:252
4324995721,27cyclictest31473-21tune2fs18:16:152
4324995716,20cyclictest0-21swapper/219:01:142
432399574,45cyclictest3670-21ssh21:06:191
432399573,13cyclictest0-21swapper/122:31:011
432099576,46cyclictest0-21swapper/019:56:570
432099576,46cyclictest0-21swapper/019:56:570
432099575,46cyclictest0-21swapper/021:37:350
432099575,45cyclictest0-21swapper/022:50:460
4320995738,12cyclictest0-21swapper/021:01:150
432099573,48cyclictest0-21swapper/017:52:160
432499565,15cyclictest0-21swapper/221:33:472
432499564,45cyclictest0-21swapper/222:34:592
432499564,31cyclictest0-21swapper/220:47:562
432499564,29cyclictest0-21swapper/218:51:062
4324995616,20cyclictest26110-21proc_pri19:11:232
4323995639,12cyclictest0-21swapper/118:21:241
4323995638,12cyclictest0-21swapper/119:35:531
432099566,42cyclictest0-21swapper/021:46:180
4320995641,8cyclictest15005-21latency_hist18:50:550
4320995641,10cyclictest0-21swapper/021:21:050
4320995638,13cyclictest0-21swapper/019:11:260
432499558,31cyclictest1-21systemd20:44:182
432499555,34cyclictest30409-21grep19:21:132
432499555,29cyclictest0-21swapper/222:46:162
432499555,29cyclictest0-21swapper/221:26:242
432499555,15cyclictest0-21swapper/221:03:342
432499553,35cyclictest12713-21ssh19:41:332
4324995522,13cyclictest0-21swapper/217:46:132
432399555,45cyclictest0-21swapper/121:00:141
432399555,43cyclictest0-21swapper/122:16:031
432399554,46cyclictest0-21swapper/119:49:451
432399554,46cyclictest0-21swapper/119:30:431
432399553,47cyclictest0-21swapper/119:44:561
4323995529,12cyclictest0-21swapper/120:01:021
4323995529,12cyclictest0-21swapper/119:51:261
4320995540,9cyclictest23489-21latency19:06:180
432099554,43cyclictest0-21swapper/019:41:100
4320995527,12cyclictest0-21swapper/020:22:540
227752554,44sleep222875-21ssh21:36:082
432499545,14cyclictest0-21swapper/219:52:392
432499545,14cyclictest0-21swapper/219:32:532
432499544,30cyclictest0-21swapper/217:21:272
432499544,29cyclictest0-21swapper/221:16:062
432499544,29cyclictest0-21swapper/221:06:022
432499544,29cyclictest0-21swapper/218:56:222
432499544,29cyclictest0-21swapper/218:36:242
432499544,29cyclictest0-21swapper/218:36:242
432499544,29cyclictest0-21swapper/217:36:182
4324995421,13cyclictest0-21swapper/217:41:122
4323995441,8cyclictest23902-21latency_hist20:00:521
4323995441,8cyclictest23902-21latency_hist20:00:521
4323995435,13cyclictest0-21swapper/120:41:241
4320995440,9cyclictest0-21swapper/017:21:150
4320995439,10cyclictest0-21swapper/022:36:040
4320995437,11cyclictest0-21swapper/019:23:590
4320995436,12cyclictest0-21swapper/018:30:560
4320995435,14cyclictest0-21swapper/021:13:000
4320995435,14cyclictest0-21swapper/020:51:090
4320995434,15cyclictest0-21swapper/019:45:560
432099543,46cyclictest0-21swapper/020:03:070
4320995423,25cyclictest0-21swapper/020:31:050
305052544,11sleep20-21swapper/221:46:442
277212546,7sleep20-21swapper/221:43:422
432499535,28cyclictest0-21swapper/218:21:062
432499534,14cyclictest0-21swapper/221:24:252
432499534,14cyclictest0-21swapper/220:06:142
432499534,12cyclictest0-21swapper/222:01:002
432499534,12cyclictest0-21swapper/222:01:002
4324995310,23cyclictest17029-1kworker/2:2H19:36:082
432399535,43cyclictest0-21swapper/122:14:561
432399534,44cyclictest0-21swapper/121:24:311
432399534,42cyclictest19735-21iostat21:31:111
4323995336,12cyclictest0-21swapper/117:31:271
4323995335,13cyclictest0-21swapper/122:36:581
4323995333,14cyclictest0-21swapper/122:10:251
432399533,43cyclictest0-21swapper/121:54:381
432099535,41cyclictest0-21swapper/021:56:010
4320995335,13cyclictest0-21swapper/022:16:060
4320995335,13cyclictest0-21swapper/020:19:520
4320995335,13cyclictest0-21swapper/018:11:230
4320995334,13cyclictest0-21swapper/020:46:170
432099533,43cyclictest0-21swapper/022:06:030
4320995328,12cyclictest0-21swapper/018:21:070
285092533,10sleep10-21swapper/118:11:121
432499524,29cyclictest0-21swapper/221:50:522
432499524,29cyclictest0-21swapper/221:15:382
432499524,29cyclictest0-21swapper/220:31:152
432499524,28cyclictest0-21swapper/219:56:122
432499524,28cyclictest0-21swapper/219:56:122
432499524,28cyclictest0-21swapper/218:31:232
432499524,13cyclictest0-21swapper/220:55:422
432499523,30cyclictest0-21swapper/218:26:202
4324995221,11cyclictest1489-21munin-node20:16:152
4324995219,13cyclictest0-21swapper/219:16:072
4324995210,23cyclictest12-21rcu_preempt19:46:072
432399524,44cyclictest0-21swapper/120:33:481
432399524,43cyclictest0-21swapper/120:15:281
432399524,42cyclictest0-21swapper/121:36:271
4323995237,9cyclictest32462-21taskset18:16:301
4323995237,10cyclictest22075-21taskset19:04:451
4323995235,13cyclictest0-21swapper/122:41:411
4323995235,13cyclictest0-21swapper/122:41:411
4323995235,13cyclictest0-21swapper/118:46:241
4323995235,12cyclictest0-21swapper/121:57:581
4323995234,14cyclictest0-21swapper/120:06:461
4323995234,12cyclictest0-21swapper/122:03:441
4323995234,12cyclictest0-21swapper/122:03:441
4323995234,12cyclictest0-21swapper/117:36:151
4323995233,13cyclictest0-21swapper/121:17:521
432399523,13cyclictest0-21swapper/121:30:171
4323995217,28cyclictest0-21swapper/117:51:141
432099525,40cyclictest0-21swapper/020:26:080
4320995234,13cyclictest0-21swapper/018:31:190
4320995233,12cyclictest10469-21munin-node18:41:220
4320995233,12cyclictest10469-21munin-node18:41:220
432099523,43cyclictest0-21swapper/022:42:210
432099523,43cyclictest0-21swapper/022:42:210
4320995226,14cyclictest0-21swapper/022:11:090
3592528,10sleep00-21swapper/018:19:170
220312523,10sleep00-21swapper/019:04:120
176062523,10sleep00-21swapper/020:40:100
176062523,10sleep00-21swapper/020:40:100
432499514,28cyclictest0-21swapper/220:28:222
432499514,28cyclictest0-21swapper/218:01:142
432399515,39cyclictest0-21swapper/117:41:161
432399514,40cyclictest4598-21sshd18:26:231
4323995133,13cyclictest0-21swapper/122:23:431
4323995131,15cyclictest0-21swapper/120:51:361
4323995124,10cyclictest15211-21df20:36:051
4323995124,10cyclictest15211-21df20:36:051
432099515,12cyclictest29348-21munin-run19:20:530
4320995136,10cyclictest1212-21unixbench_singl21:51:190
4320995132,14cyclictest0-21swapper/018:40:320
4320995132,14cyclictest0-21swapper/018:40:320
219499510,5rtkit-daemon2193-21rtkit-daemon17:31:110
432499504,26cyclictest0-21swapper/217:31:092
432399505,28cyclictest0-21swapper/120:16:141
4323995033,12cyclictest0-21swapper/121:45:591
4323995033,12cyclictest0-21swapper/118:06:401
432099505,38cyclictest0-21swapper/017:41:090
4320995033,12cyclictest0-21swapper/018:08:200
39732503,6sleep00-21swapper/017:16:550
171572502,11sleep10-21swapper/118:52:561
432499493,28cyclictest0-21swapper/217:20:592
4323994934,10cyclictest0-21swapper/122:46:111
4323994933,12cyclictest0-21swapper/119:23:551
4323994932,12cyclictest0-21swapper/119:20:221
4323994932,12cyclictest0-21swapper/117:26:081
4323994930,14cyclictest0-21swapper/122:26:111
176152492,40sleep10-21swapper/118:55:581
432399484,38cyclictest16478-21munin-node17:46:161
432399483,39cyclictest5756-21tail18:31:071
432099485,38cyclictest21386-21aten_r1power_vo17:56:090
432099485,38cyclictest21386-21aten_r1power_vo17:56:090
4320994831,13cyclictest0-21swapper/018:52:320
236302484,9sleep00-21swapper/018:01:030
45302473,37sleep10-21swapper/117:21:021
432399474,38cyclictest0-21swapper/119:06:181
432399474,35cyclictest0-21swapper/118:41:111
432399474,35cyclictest0-21swapper/118:41:111
4323994730,12cyclictest0-21swapper/118:36:241
4323994730,12cyclictest0-21swapper/118:36:241
4323994729,13cyclictest0-21swapper/117:57:301
4323994729,13cyclictest0-21swapper/117:57:301
4323994723,13cyclictest0-21swapper/118:01:081
432099474,37cyclictest0-21swapper/017:46:170
4320994731,12cyclictest0-21swapper/017:25:590
4320994630,12cyclictest0-21swapper/017:36:280
432399403,10cyclictest0-21swapper/117:20:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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