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2026-09-03 - 19:22

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 Thu Sep 03, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27562999731,59cyclictest0-21swapper/010:19:480
27562999731,59cyclictest0-21swapper/010:19:480
2756299954,84cyclictest0-21swapper/010:38:310
2756299943,83cyclictest0-21swapper/008:03:270
2756299923,33cyclictest0-21swapper/009:46:130
2756299923,31cyclictest27928-21runrttasks10:14:150
27562999222,14cyclictest0-21swapper/008:18:580
2756299919,25cyclictest0-21swapper/007:43:430
2756299919,25cyclictest0-21swapper/007:43:430
2756299914,37cyclictest0-21swapper/010:56:040
2756299914,24cyclictest0-21swapper/009:48:380
2756299904,78cyclictest0-21swapper/008:43:480
2756299903,32cyclictest0-21swapper/009:23:190
2756299894,77cyclictest0-21swapper/010:48:220
27562998922,12cyclictest0-21swapper/009:58:420
2756299884,76cyclictest0-21swapper/010:58:330
2756299884,35cyclictest0-21swapper/008:28:450
2756299883,31cyclictest0-21swapper/007:54:480
27562998820,7cyclictest25132-21ssh08:33:280
27562998814,28cyclictest29377-21tune2fs09:28:320
2756299876,17cyclictest0-21swapper/009:03:350
2756299855,32cyclictest0-21swapper/011:03:390
2756299853,34cyclictest0-21swapper/008:38:510
2756299853,31cyclictest0-21swapper/010:08:470
2756299853,30cyclictest0-21swapper/009:13:290
2756299853,12cyclictest0-21swapper/010:28:420
27562998527,9cyclictest1227-21runrttasks07:13:240
27562998525,12cyclictest0-21swapper/008:23:420
27562998525,12cyclictest0-21swapper/008:23:420
27562998523,12cyclictest0-21swapper/010:43:260
27562998514,10cyclictest5726-21telnet08:53:240
216092850,2sleep30-21swapper/310:53:403
2756299844,8cyclictest13119-21tr09:53:240
2756299844,32cyclictest0-21swapper/007:43:160
2756299844,23cyclictest0-21swapper/009:22:100
2756299844,11cyclictest0-21swapper/007:58:430
2756299843,32cyclictest0-21swapper/009:08:230
2756299843,32cyclictest0-21swapper/007:52:320
2756299843,30cyclictest464-21grep05:48:330
2756299843,23cyclictest0-21swapper/009:39:330
2756299843,23cyclictest0-21swapper/009:39:330
2756299843,11cyclictest0-21swapper/008:08:280
27562998426,10cyclictest13074-21gltestperf06:13:390
27562998424,10cyclictest32598-21fschecks_count09:33:280
2756299834,35cyclictest0-21swapper/008:58:280
2756299834,35cyclictest0-21swapper/008:58:280
2756299833,72cyclictest0-21swapper/010:23:220
2756299833,30cyclictest0-21swapper/010:34:420
27562998317,13cyclictest0-21swapper/006:58:170
2756299824,70cyclictest0-21swapper/010:03:380
2756299823,31cyclictest0-21swapper/008:13:370
2756299814,33cyclictest0-21swapper/008:48:470
27562998028,8cyclictest28697-21crond06:48:180
2756299794,12cyclictest0-21swapper/006:38:470
2756299793,30cyclictest0-21swapper/005:58:420
27562997824,9cyclictest17506-21unixbench_singl07:28:500
27562997716,13cyclictest0-21swapper/007:03:180
2756299764,31cyclictest0-21swapper/007:03:400
2756299764,31cyclictest0-21swapper/007:03:400
2756299724,31cyclictest0-21swapper/006:33:340
2756299723,32cyclictest0-21swapper/006:23:380
2757199714,29cyclictest3115-21tune2fs08:48:323
2756299719,10cyclictest1124-21snmpd06:52:210
2756299694,22cyclictest0-21swapper/005:43:220
121272693,58sleep10-21swapper/109:51:431
219499650,5rtkit-daemon28366-21diskstats05:38:383
27571996319,26cyclictest0-21swapper/308:13:483
219499630,6rtkit-daemon3713-21latency05:53:452
310012624,12sleep20-21swapper/209:30:432
280132623,50sleep20-21swapper/209:26:562
27571996122,12cyclictest25180-21df08:33:293
27571996118,26cyclictest17252-21munin-node10:48:253
184252614,50sleep20-21swapper/207:33:322
2757199604,30cyclictest0-21swapper/307:58:503
2757199604,29cyclictest0-21swapper/308:38:363
27571996024,11cyclictest17200-21ssh08:20:353
2757099605,39cyclictest0-21swapper/209:38:292
2757099605,39cyclictest0-21swapper/209:38:292
219499600,5rtkit-daemon0-21swapper/205:43:303
2757199595,30cyclictest0-21swapper/310:13:423
2757199595,28cyclictest0-21swapper/307:47:343
2757199595,28cyclictest0-21swapper/307:47:343
2757199595,26cyclictest0-21swapper/310:33:293
2757199594,33cyclictest0-21swapper/309:06:173
27571995917,22cyclictest0-21swapper/311:00:113
2757199584,30cyclictest0-21swapper/310:03:363
2757199584,28cyclictest8393-21taskset08:08:273
2757199583,33cyclictest0-21swapper/310:28:213
2756899588,43cyclictest19063-21cpuspeed_turbos09:13:271
2756899584,30cyclictest0-21swapper/108:28:331
27568995818,25cyclictest0-21swapper/109:12:141
246702580,3sleep124674-21rm09:21:431
242812584,12sleep30-21swapper/309:20:123
219499580,4rtkit-daemon2193-21rtkit-daemon08:05:241
2757199575,27cyclictest31520-21yum-updatesd-he10:20:333
2757199575,27cyclictest31520-21yum-updatesd-he10:20:333
2757199574,30cyclictest0-21swapper/309:58:413
2757199574,28cyclictest22913-21ssh10:08:233
2757199574,28cyclictest0-21swapper/309:48:253
27570995740,10cyclictest14924-21cpuspeed_turbos06:18:342
2757099574,46cyclictest0-21swapper/209:48:252
2757099573,39cyclictest0-21swapper/206:58:352
27570995716,23cyclictest0-21swapper/210:58:232
2103525715,35sleep20-21swapper/209:15:232
2757199564,33cyclictest0-21swapper/308:30:503
2757199564,31cyclictest0-21swapper/310:43:383
2756899564,11cyclictest0-21swapper/109:43:421
27568995613,26cyclictest107550irq/46-eth007:38:361
219499560,5rtkit-daemon2193-21rtkit-daemon06:21:281
2757099553,45cyclictest0-21swapper/209:04:152
2757099553,37cyclictest0-21swapper/207:40:452
19372553,11sleep30-21swapper/309:35:523
289002544,43sleep20-21swapper/210:18:002
2757099548,24cyclictest0-21swapper/207:58:482
27570995417,29cyclictest281ktimersoftd/210:33:392
27570995411,25cyclictest0-21swapper/210:53:322
2756899543,45cyclictest0-21swapper/106:09:151
219499540,5rtkit-daemon2193-21rtkit-daemon10:48:331
46832533,11sleep10-21swapper/108:50:431
28802533,43sleep10-21swapper/106:58:491
2757199535,27cyclictest0-21swapper/309:13:353
2757199534,31cyclictest0-21swapper/309:45:043
27571995334,11cyclictest17815-21gltestperf06:23:363
2757099533,43cyclictest0-21swapper/210:18:322
2757099533,43cyclictest0-21swapper/210:18:322
2756899535,43cyclictest0-21swapper/108:23:511
2756899535,43cyclictest0-21swapper/108:23:511
2756899535,28cyclictest0-21swapper/105:38:211
2756899535,28cyclictest0-21swapper/105:38:211
2756899534,15cyclictest0-21swapper/109:28:121
2756899534,13cyclictest0-21swapper/109:35:241
219499530,5rtkit-daemon2193-21rtkit-daemon10:13:191
205822533,43sleep220630-21ntp_kernel_pll_06:28:472
189972534,42sleep10-21swapper/110:02:511
188632534,13sleep30-21swapper/307:33:383
141722534,42sleep10-21swapper/109:04:181
6102523,43sleep10-21swapper/107:55:491
294992523,11sleep20-21swapper/211:08:072
290132523,42sleep30-21swapper/311:06:153
2757199525,30cyclictest0-21swapper/306:13:193
27571995234,11cyclictest7911-21tail07:08:513
2757099524,29cyclictest0-21swapper/209:33:442
27570995235,11cyclictest4668-21sed07:03:372
27570995235,11cyclictest4668-21sed07:03:372
2757099523,40cyclictest0-21swapper/210:28:072
2757099523,22cyclictest0-21swapper/209:46:462
2757099523,10cyclictest0-21swapper/208:44:542
2756899524,29cyclictest0-21swapper/110:03:231
2756899524,28cyclictest0-21swapper/108:38:421
27568995224,12cyclictest0-21swapper/107:44:421
27568995224,12cyclictest0-21swapper/107:44:421
27568995217,28cyclictest0-21swapper/105:58:201
258102524,42sleep10-21swapper/111:01:331
219499520,5rtkit-daemon2193-21rtkit-daemon10:31:491
219499520,5rtkit-daemon2193-21rtkit-daemon08:20:391
219499520,5rtkit-daemon2193-21rtkit-daemon06:43:431
170072523,10sleep10-21swapper/107:28:441
151342523,11sleep10-21swapper/109:55:381
143902522,10sleep20-21swapper/208:17:262
142842523,11sleep10-21swapper/106:17:251
112252523,10sleep10-21swapper/109:00:351
112252523,10sleep10-21swapper/109:00:351
57982512,10sleep20-21swapper/210:30:182
2757199515,37cyclictest6044-21iostat_ios08:03:373
2757199515,28cyclictest0-21swapper/307:23:473
2757199514,42cyclictest361ktimersoftd/308:53:283
27571995133,10cyclictest20241-21gltestperf06:28:403
27571995121,13cyclictest0-21swapper/310:23:283
27571995120,12cyclictest0-21swapper/309:25:263
27571995116,21cyclictest11646-21rm09:02:133
27571995116,21cyclictest11646-21rm09:02:133
2757099514,39cyclictest0-21swapper/210:03:232
2757099514,28cyclictest0-21swapper/208:48:482
2757099514,26cyclictest0-21swapper/208:18:392
2757099513,29cyclictest0-21swapper/209:08:242
27570995122,12cyclictest0-21swapper/208:26:422
27570995122,12cyclictest0-21swapper/208:26:422
2756899515,27cyclictest0-21swapper/108:33:491
27568995111,21cyclictest0-21swapper/106:53:381
250472512,10sleep20-21swapper/210:10:502
219499510,5rtkit-daemon2193-21rtkit-daemon07:03:491
219499510,5rtkit-daemon2193-21rtkit-daemon07:03:491
138322513,41sleep313914-21latency09:53:343
2757199505,28cyclictest0-21swapper/309:32:163
2757199505,28cyclictest0-21swapper/305:53:363
2757199505,27cyclictest0-21swapper/308:23:253
2757199505,27cyclictest0-21swapper/308:23:253
27571995031,12cyclictest16586-21gltestperf07:28:363
27571995030,12cyclictest20883-21cpuspeed_turbos07:38:303
27571995018,11cyclictest32470-21memory08:43:383
27571995010,25cyclictest0-21swapper/307:50:403
2757099507,25cyclictest0-21swapper/207:43:502
2757099507,25cyclictest0-21swapper/207:43:502
2757099504,39cyclictest0-21swapper/208:38:362
2757099504,12cyclictest0-21swapper/208:33:472
2757099503,28cyclictest0-21swapper/207:48:342
27570995020,12cyclictest0-21swapper/210:43:412
2756899507,26cyclictest0-21swapper/110:39:021
2756899506,26cyclictest0-21swapper/108:43:441
2756899505,28cyclictest0-21swapper/109:42:511
2756899505,28cyclictest0-21swapper/109:42:511
2756899505,27cyclictest0-21swapper/108:17:581
2756899504,40cyclictest0-21swapper/110:23:221
2756899504,27cyclictest0-21swapper/107:18:431
2756899504,23cyclictest23056-21latency_hist10:58:091
2756899504,12cyclictest0-21swapper/107:58:421
27568995033,10cyclictest14278-21sed10:43:281
2756899503,31cyclictest0-21swapper/110:18:431
2756899503,31cyclictest0-21swapper/110:18:431
27568995016,29cyclictest0-21swapper/106:33:061
18712502,10sleep30-21swapper/305:48:533
81872494,37sleep20-21swapper/206:03:402
301662493,11sleep10-21swapper/105:43:271
296362493,40sleep10-21swapper/105:39:281
2757199495,27cyclictest0-21swapper/306:48:393
2757199494,28cyclictest0-21swapper/309:08:433
2757199494,28cyclictest0-21swapper/307:13:363
2757199494,28cyclictest0-21swapper/306:58:533
2757199494,28cyclictest0-21swapper/306:38:373
2757199494,28cyclictest0-21swapper/306:13:313
2757199494,28cyclictest0-21swapper/306:03:403
2757199494,27cyclictest0-21swapper/307:53:273
2757199494,27cyclictest0-21swapper/306:38:183
27571994920,13cyclictest0-21swapper/309:43:053
27571994920,13cyclictest0-21swapper/309:43:053
2757099495,26cyclictest0-21swapper/208:28:472
2757099494,28cyclictest0-21swapper/209:53:322
2757099494,27cyclictest0-21swapper/210:38:292
2757099494,27cyclictest0-21swapper/209:58:332
2757099494,27cyclictest0-21swapper/208:58:292
2757099494,27cyclictest0-21swapper/208:58:292
2757099494,27cyclictest0-21swapper/207:18:492
2757099494,27cyclictest0-21swapper/205:43:502
2757099494,25cyclictest0-21swapper/208:12:032
2757099494,25cyclictest0-21swapper/207:54:162
2757099493,40cyclictest0-21swapper/210:50:092
2757099493,27cyclictest0-21swapper/207:28:162
2757099493,27cyclictest0-21swapper/206:53:342
2756899499,23cyclictest6256-21telnet07:08:291
2756899496,26cyclictest0-21swapper/107:24:491
2756899495,26cyclictest0-21swapper/107:53:011
2756899494,40cyclictest0-21swapper/108:08:471
2756899494,27cyclictest0-21swapper/108:53:301
27568994934,7cyclictest8040-21ssh10:33:341
27568994933,10cyclictest8296-21gltestperf06:03:401
27568994920,13cyclictest0-21swapper/105:58:391
27568994919,11cyclictest17652-21fschecks_count06:23:351
27562994933,9cyclictest28116-21cpuspeed_turbos05:38:350
253872494,37sleep00-21swapper/005:33:320
253872494,37sleep00-21swapper/005:33:320
236962493,41sleep10-21swapper/106:35:271
23372493,10sleep10-21swapper/105:52:181
309432483,38sleep20-21swapper/206:51:322
27571994830,11cyclictest32239-21hwlatdetect06:53:383
27571994818,13cyclictest0-21swapper/310:38:363
27571994817,13cyclictest0-21swapper/307:18:383
2757099485,27cyclictest0-21swapper/208:57:342
2757099484,27cyclictest0-21swapper/205:38:372
2757099484,26cyclictest0-21swapper/209:18:332
2757099483,28cyclictest0-21swapper/206:38:282
2757099483,27cyclictest0-21swapper/207:28:312
2757099483,27cyclictest0-21swapper/205:48:312
27570994817,12cyclictest0-21swapper/208:03:332
2756899485,26cyclictest0-21swapper/110:13:101
2756899483,26cyclictest29330-21fschecks_time09:28:311
27568994817,12cyclictest0-21swapper/111:03:251
27562994832,10cyclictest18496-21cpuspeed_turbos07:33:320
27562994810,30cyclictest0-21swapper/006:03:350
50812473,37sleep25155-21aten_r1power_po05:58:322
2757199475,28cyclictest0-21swapper/305:58:483
2757199474,26cyclictest0-21swapper/306:18:393
27571994717,13cyclictest0-21swapper/307:03:443
27571994717,13cyclictest0-21swapper/307:03:443
2757099473,26cyclictest0-21swapper/206:43:492
2756899475,13cyclictest0-21swapper/106:48:471
2756299473,40cyclictest0-21swapper/007:25:200
213152472,39sleep00-21swapper/006:30:300
128152472,39sleep00-21swapper/007:19:200
80122463,10sleep20-21swapper/207:08:582
2757199464,24cyclictest28410-21taskset06:44:363
2757099464,23cyclictest0-21swapper/207:13:292
2757099464,22cyclictest0-21swapper/206:13:312
2757099463,26cyclictest0-21swapper/206:08:552
2756299464,36cyclictest0-21swapper/006:18:510
2756299463,36cyclictest0-21swapper/005:53:330
2757099454,33cyclictest0-21swapper/206:28:202
2757099454,25cyclictest0-21swapper/206:37:182
2756899454,32cyclictest0-21swapper/106:38:481
2756899453,37cyclictest0-21swapper/107:33:301
105142443,11sleep10-21swapper/107:15:301
2756299436,32cyclictest0-21swapper/006:10:250
2756299413,33cyclictest0-21swapper/007:08:480
27571993719,12cyclictest0-21swapper/305:38:223
27571993719,12cyclictest0-21swapper/305:38:223
2757099363,18cyclictest27545-21latency_hist05:38:222
2757099363,18cyclictest27545-21latency_hist05:38:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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