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2026-08-25 - 00:16

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 Aug 24, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15127999941,13cyclictest0-21swapper/010:32:550
1513199957,21cyclictest0-21swapper/308:03:123
15127999546,9cyclictest19892-21kworker/0:109:02:540
1513199894,33cyclictest0-21swapper/310:06:553
1513199874,34cyclictest0-21swapper/309:38:053
1513199864,74cyclictest0-21swapper/310:52:453
1513199864,35cyclictest0-21swapper/306:32:423
15131998633,9cyclictest21644-21switchtime10:33:063
1513199854,32cyclictest0-21swapper/310:32:343
15131998524,15cyclictest0-21swapper/309:00:313
15131998520,11cyclictest0-21swapper/307:48:033
15131998519,12cyclictest0-21swapper/307:27:543
15131998426,9cyclictest13830-21gltestperf09:32:553
1513199834,38cyclictest0-21swapper/311:13:293
1513199834,12cyclictest0-21swapper/308:23:063
1513199833,12cyclictest0-21swapper/308:39:193
15131998324,13cyclictest0-21swapper/307:13:043
15131998324,11cyclictest27005-21sendmail_mailqu09:03:083
15131998321,9cyclictest30420-21sed10:47:493
15131998321,9cyclictest30420-21sed10:47:493
15131998320,12cyclictest0-21swapper/308:32:473
15131998223,14cyclictest0-21swapper/308:29:333
15131998220,9cyclictest17005-21awk08:48:053
15131998031,8cyclictest27569-21ssh08:16:133
1513199803,30cyclictest19991-21latency_hist05:57:453
15131998026,11cyclictest0-21swapper/311:12:103
15131998024,10cyclictest13069-21fschecks_count08:42:563
15131998016,13cyclictest0-21swapper/309:57:473
15131998015,13cyclictest0-21swapper/308:09:513
1513199793,14cyclictest0-21swapper/310:37:503
1513199784,34cyclictest0-21swapper/309:27:593
1513199784,34cyclictest0-21swapper/309:27:593
1513199784,12cyclictest0-21swapper/310:18:093
1513199783,26cyclictest0-21swapper/309:48:103
15131997820,8cyclictest6724-21latency_hist10:12:343
15131997820,8cyclictest6724-21latency_hist10:12:343
15131997817,12cyclictest0-21swapper/307:22:563
15131997726,8cyclictest6280-21sshd10:58:413
15131997724,8cyclictest1124-21snmpd06:46:433
15131997716,12cyclictest0-21swapper/309:23:043
133582770,3sleep041ktimersoftd/008:42:590
1513199763,22cyclictest15105-21latency_hist05:47:453
1513199763,15cyclictest0-21swapper/306:05:323
15131997528,10cyclictest0-21swapper/309:53:473
15131997527,8cyclictest32179-21aten_r1power_fr09:12:483
15131997521,13cyclictest0-21swapper/306:22:453
219499740,4rtkit-daemon2193-21rtkit-daemon06:22:581
1513199744,30cyclictest0-21swapper/307:32:523
1513199744,30cyclictest0-21swapper/307:32:523
1513199734,15cyclictest0-21swapper/308:18:053
15131997312,11cyclictest31824-21crond09:12:363
15127997240,13cyclictest0-21swapper/011:07:340
15131997123,12cyclictest0-21swapper/309:20:273
15131997120,7cyclictest13304-21ssh07:53:193
15131997026,11cyclictest0-21swapper/308:52:423
15131997026,11cyclictest0-21swapper/308:52:423
15131997022,7cyclictest10639-21kworker/3:105:47:573
15131996927,9cyclictest29424-21crond06:17:443
15127996943,11cyclictest0-21swapper/011:15:450
1513199684,14cyclictest0-21swapper/310:23:003
1513199684,13cyclictest0-21swapper/309:42:563
15131996822,7cyclictest9704-21ssh11:04:103
15130996846,13cyclictest0-21swapper/210:33:072
15130996843,10cyclictest7329-21munin-node08:33:112
1512999683,58cyclictest0-21swapper/107:18:031
15131996728,10cyclictest0-21swapper/307:41:573
15130996740,11cyclictest0-21swapper/208:37:572
15130996739,12cyclictest0-21swapper/209:38:002
15130996735,12cyclictest0-21swapper/208:32:382
15130996735,10cyclictest11978-21seq09:29:522
15130996735,10cyclictest11978-21seq09:29:522
15130996643,14cyclictest0-21swapper/210:17:182
15130996640,8cyclictest6124-21sleep09:22:362
15130996637,11cyclictest0-21swapper/208:57:372
15130996637,11cyclictest0-21swapper/208:57:372
15127996642,10cyclictest0-21swapper/010:18:040
1513099655,54cyclictest0-21swapper/209:07:582
15130996541,11cyclictest0-21swapper/210:20:472
1513099654,54cyclictest14710-21tail09:33:102
15130996539,11cyclictest0-21swapper/209:48:092
15130996538,12cyclictest0-21swapper/207:43:052
1512999656,27cyclictest0-21swapper/110:58:071
1512999653,12cyclictest0-21swapper/110:25:451
15129996521,13cyclictest0-21swapper/110:28:101
1513099645,52cyclictest0-21swapper/209:13:452
15130996443,12cyclictest0-21swapper/208:02:402
15130996437,11cyclictest1227-21runrttasks07:49:412
15130996436,12cyclictest0-21swapper/211:02:562
15130996435,11cyclictest0-21swapper/208:57:482
15130996435,10cyclictest0-21swapper/209:56:312
1512999645,28cyclictest0-21swapper/109:55:451
1512999645,26cyclictest19774-21fschecks_time08:52:551
1512999645,26cyclictest19774-21fschecks_time08:52:551
1512999644,27cyclictest0-21swapper/110:15:341
15129996412,23cyclictest25340-21df_abs06:07:581
15129996412,23cyclictest25340-21df_abs06:07:581
1513099638,48cyclictest0-21swapper/210:29:352
1513099634,52cyclictest0-21swapper/208:17:592
1513099633,53cyclictest14611-21df_abs11:12:482
1512999635,28cyclictest0-21swapper/110:52:471
1512999635,28cyclictest0-21swapper/110:47:491
1512999635,28cyclictest0-21swapper/110:47:491
1512999635,27cyclictest0-21swapper/109:48:261
1512999634,28cyclictest0-21swapper/110:00:341
1512999634,28cyclictest0-21swapper/106:07:451
15129996319,13cyclictest0-21swapper/106:41:181
15129996318,15cyclictest0-21swapper/108:18:251
15129996318,14cyclictest0-21swapper/109:12:171
15129996316,17cyclictest0-21swapper/109:03:191
15127996345,12cyclictest0-21swapper/008:25:500
1513099625,51cyclictest0-21swapper/210:37:532
1513099625,26cyclictest14259-21uptime08:43:122
15130996240,9cyclictest7712-21ntp_states09:23:042
1513099624,51cyclictest0-21swapper/207:12:532
15130996236,11cyclictest0-21swapper/211:07:542
15130996236,11cyclictest0-21swapper/208:15:452
1512999626,24cyclictest3353-21cpuspeed09:17:511
1512999625,28cyclictest0-21swapper/109:01:211
1512999625,27cyclictest0-21swapper/111:14:361
1512999625,27cyclictest0-21swapper/109:33:051
1512999624,28cyclictest0-21swapper/110:43:061
1512999624,28cyclictest0-21swapper/108:37:391
1512999624,28cyclictest0-21swapper/108:28:461
1512999624,28cyclictest0-21swapper/106:58:121
1512999624,27cyclictest0-21swapper/106:28:051
15129996222,10cyclictest5200-21ssh10:08:051
15129996222,10cyclictest5200-21ssh10:08:051
15129996221,14cyclictest0-21swapper/107:43:101
15129996220,15cyclictest0-21swapper/110:39:061
15129996220,14cyclictest0-21swapper/107:22:591
15129996220,12cyclictest0-21swapper/108:22:591
15129996219,15cyclictest0-21swapper/110:02:511
15127996245,9cyclictest16751-21ssh08:48:010
15127996240,9cyclictest0-21swapper/009:23:040
308502618,45sleep20-21swapper/207:27:552
221602614,49sleep10-21swapper/107:08:031
207272616,10sleep00-21swapper/007:03:470
1513099614,51cyclictest0-21swapper/210:47:502
1513099614,51cyclictest0-21swapper/210:47:502
1513099614,51cyclictest0-21swapper/210:06:152
1513099614,49cyclictest0-21swapper/210:52:452
15130996138,11cyclictest0-21swapper/207:57:272
15130996136,10cyclictest0-21swapper/205:53:012
1512999615,50cyclictest0-21swapper/109:30:451
1512999615,50cyclictest0-21swapper/109:30:451
1512999615,27cyclictest0-21swapper/108:47:151
1512999615,27cyclictest0-21swapper/108:40:361
1512999615,27cyclictest0-21swapper/107:59:211
1512999615,27cyclictest0-21swapper/107:38:491
1512999615,26cyclictest0-21swapper/110:21:511
1512999614,29cyclictest0-21swapper/107:33:121
1512999614,29cyclictest0-21swapper/107:33:121
1512999614,28cyclictest0-21swapper/107:53:241
1512999614,25cyclictest11773-21smartctl11:07:531
1512999613,29cyclictest0-21swapper/108:13:271
15129996122,12cyclictest0-21swapper/109:40:041
15129996121,12cyclictest0-21swapper/111:02:531
15129996119,15cyclictest0-21swapper/106:56:471
15129996119,13cyclictest2374-21chrt09:15:541
15129996118,15cyclictest0-21swapper/109:46:141
15127996139,10cyclictest0-21swapper/010:53:030
1513099604,50cyclictest0-21swapper/208:07:402
1513099604,49cyclictest0-21swapper/210:10:512
1513099604,49cyclictest0-21swapper/210:10:512
1513099604,48cyclictest13539-21munin-node10:22:512
15130996037,11cyclictest0-21swapper/208:24:012
15130996020,14cyclictest0-21swapper/210:43:042
1513099602,38cyclictest0-21swapper/206:43:592
15130996012,25cyclictest1227-21runrttasks09:47:252
1512999609,21cyclictest0-21swapper/110:33:071
1512999606,26cyclictest0-21swapper/109:24:311
1512999605,28cyclictest0-21swapper/106:43:041
1512999605,27cyclictest0-21swapper/108:10:241
1512999604,28cyclictest0-21swapper/108:50:511
15129996020,13cyclictest0-21swapper/108:03:171
1512799605,48cyclictest0-21swapper/009:11:180
1512799603,49cyclictest0-21swapper/007:41:570
1513099595,29cyclictest0-21swapper/210:57:462
15130995935,11cyclictest0-21swapper/209:57:422
15130995935,10cyclictest0-21swapper/207:33:102
15130995935,10cyclictest0-21swapper/207:33:102
15130995934,12cyclictest0-21swapper/208:08:292
1512999595,28cyclictest0-21swapper/107:49:421
1512799593,10cyclictest4564-21nscd07:27:410
1513199583,48cyclictest0-21swapper/310:16:263
15130995835,12cyclictest0-21swapper/209:05:582
15130995835,11cyclictest0-21swapper/206:27:572
15130995833,13cyclictest0-21swapper/207:38:072
1512999586,26cyclictest0-21swapper/106:33:151
15127995839,12cyclictest0-21swapper/006:12:490
169722577,10sleep00-21swapper/007:59:100
1513199573,13cyclictest0-21swapper/306:53:123
15130995734,12cyclictest0-21swapper/208:51:092
15130995732,12cyclictest5146-21sort06:33:002
15127995737,13cyclictest0-21swapper/009:13:480
112082578,7sleep00-21swapper/009:28:070
112082578,7sleep00-21swapper/009:28:070
15130995611,22cyclictest0-21swapper/206:52:552
1512999564,27cyclictest0-21swapper/107:32:411
15127995639,9cyclictest11097-21unixbench_singl06:43:170
15127995636,13cyclictest0-21swapper/008:56:000
15127995636,13cyclictest0-21swapper/008:56:000
15127995636,12cyclictest0-21swapper/008:58:100
1512799563,11cyclictest0-21swapper/007:55:020
219499550,6rtkit-daemon2193-21rtkit-daemon05:57:590
1513099555,28cyclictest0-21swapper/207:26:552
1512799554,27cyclictest0-21swapper/007:12:550
15127995536,13cyclictest0-21swapper/008:08:040
1512799553,10cyclictest17134-21cat10:27:480
219499540,5rtkit-daemon2193-21rtkit-daemon07:08:040
219499540,5rtkit-daemon2193-21rtkit-daemon05:48:140
219499540,17rtkit-daemon2193-21rtkit-daemon10:50:170
219499540,17rtkit-daemon2193-21rtkit-daemon10:50:170
1513099544,28cyclictest0-21swapper/206:10:332
1513099544,28cyclictest0-21swapper/206:10:332
1513099544,28cyclictest0-21swapper/206:03:122
1513099544,27cyclictest0-21swapper/207:03:122
1512799545,11cyclictest0-21swapper/008:19:460
1512799544,45cyclictest0-21swapper/010:44:100
1512799544,13cyclictest0-21swapper/010:04:240
15127995433,15cyclictest0-21swapper/009:47:580
15127995431,9cyclictest22197-21ssh09:46:120
15127995430,8cyclictest3280-21ssh08:27:580
1512799543,12cyclictest0-21swapper/008:03:370
15127995422,12cyclictest0-21swapper/009:37:360
219499530,5rtkit-daemon2193-21rtkit-daemon06:17:580
219499530,5rtkit-daemon2193-21rtkit-daemon05:52:590
1513199535,43cyclictest0-21swapper/308:02:253
15130995340,9cyclictest0-21swapper/207:18:022
1513099534,27cyclictest0-21swapper/207:08:042
15129995339,8cyclictest21870-21unixbench_singl05:58:191
1512799535,13cyclictest0-21swapper/008:36:590
1512799534,11cyclictest0-21swapper/006:58:020
15127995334,13cyclictest0-21swapper/009:20:000
15127995324,12cyclictest0-21swapper/010:08:050
15127995324,12cyclictest0-21swapper/010:08:050
326672522,43sleep00-21swapper/007:28:500
219499520,5rtkit-daemon2193-21rtkit-daemon06:07:580
219499520,5rtkit-daemon2193-21rtkit-daemon06:07:580
162432522,43sleep00-21swapper/006:57:340
15130995220,13cyclictest0-21swapper/205:58:072
1512999524,11cyclictest0-21swapper/107:02:541
1512799524,9cyclictest7813-21gltestperf10:12:550
15127995223,13cyclictest0-21swapper/010:57:460
15127995223,13cyclictest0-21swapper/010:37:460
15127995223,13cyclictest0-21swapper/009:54:230
15127995223,12cyclictest0-21swapper/007:43:020
219499510,4rtkit-daemon2193-21rtkit-daemon06:02:590
200972514,41sleep318882-21munin-node07:03:093
172932513,41sleep10-21swapper/105:50:111
1513199513,32cyclictest0-21swapper/307:21:503
1513099515,39cyclictest0-21swapper/206:17:532
15130995133,12cyclictest0-21swapper/205:47:592
1512999514,28cyclictest0-21swapper/107:13:091
15129995110,32cyclictest0-21swapper/105:57:451
1512799515,27cyclictest0-21swapper/009:42:360
1512799515,11cyclictest0-21swapper/011:08:570
1512799514,29cyclictest0-21swapper/006:29:410
1512799514,27cyclictest0-21swapper/008:37:480
15127995134,11cyclictest0-21swapper/006:48:120
15127995134,11cyclictest0-21swapper/006:48:120
15127995133,12cyclictest0-21swapper/008:17:310
1512799513,24cyclictest0-21swapper/007:33:490
1512799513,24cyclictest0-21swapper/007:33:490
135562512,10sleep20-21swapper/206:48:412
135562512,10sleep20-21swapper/206:48:412
75752502,40sleep00-21swapper/006:38:030
281302503,40sleep00-21swapper/007:21:570
15130995019,13cyclictest0-21swapper/206:25:472
15130995018,13cyclictest0-21swapper/206:37:562
1512999504,27cyclictest0-21swapper/106:18:141
1512799504,27cyclictest0-21swapper/009:58:040
15127995022,12cyclictest0-21swapper/007:49:490
1513099494,27cyclictest0-21swapper/206:58:012
1513099493,27cyclictest0-21swapper/206:13:042
1512999494,28cyclictest0-21swapper/106:14:521
15127994935,10cyclictest0-21swapper/010:26:190
15127994922,12cyclictest0-21swapper/006:22:570
136642493,40sleep10-21swapper/106:50:051
136642493,40sleep10-21swapper/106:50:051
15131994818,12cyclictest0-21swapper/306:52:423
15131994818,12cyclictest0-21swapper/306:52:423
1512799484,38cyclictest0-21swapper/006:32:570
1513199473,39cyclictest0-21swapper/310:43:323
1513199472,40cyclictest0-21swapper/306:08:493
1513199472,40cyclictest0-21swapper/306:08:493
150742474,36sleep00-21swapper/005:47:320
1513199463,35cyclictest0-21swapper/307:47:423
1513099464,14cyclictest0-21swapper/205:47:452
184572452,36sleep30-21swapper/307:00:193
1513199454,34cyclictest0-21swapper/307:07:543
15131994530,10cyclictest0-21swapper/306:38:433
15131994523,7cyclictest6752-21cat06:37:433
15131994420,10cyclictest32210-21telnet06:22:563
15131994316,12cyclictest0-21swapper/305:57:573
15129993718,13cyclictest0-21swapper/105:47:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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