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2026-08-09 - 22:21

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 Sun Aug 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219499750,4rtkit-daemon2193-21rtkit-daemon08:29:443
219499750,4rtkit-daemon2193-21rtkit-daemon08:19:291
1505899756,57cyclictest0-21swapper/010:41:400
219499710,8rtkit-daemon0-21swapper/010:56:452
1506499684,56cyclictest20224-21gltestperf09:57:013
15061996840,11cyclictest29988-21fschecks_time10:11:591
219499670,6rtkit-daemon0-21swapper/306:01:570
219499670,5rtkit-daemon2193-21rtkit-daemon07:17:090
15064996713,47cyclictest0-21swapper/311:15:163
1506399674,56cyclictest0-21swapper/208:37:072
1506399672,59cyclictest0-21swapper/208:02:082
15058996721,27cyclictest0-21swapper/010:52:020
1506399664,54cyclictest0-21swapper/211:01:522
1506399664,54cyclictest0-21swapper/211:01:522
1506399664,54cyclictest0-21swapper/209:57:082
15063996631,27cyclictest23147-21tune2fs06:17:072
1506399663,55cyclictest0-21swapper/210:47:022
1506399652,57cyclictest0-21swapper/210:04:162
1506399644,52cyclictest0-21swapper/210:22:152
15061996436,13cyclictest0-21swapper/109:16:551
1506399634,52cyclictest0-21swapper/208:07:182
1506399634,51cyclictest0-21swapper/209:42:012
15063996338,9cyclictest27637-21ssh10:07:162
15061996337,12cyclictest0-21swapper/108:08:561
1505899633,52cyclictest0-21swapper/009:25:180
219499620,7rtkit-daemon0-21swapper/106:07:190
219499620,7rtkit-daemon0-21swapper/106:07:190
219499620,4rtkit-daemon2193-21rtkit-daemon08:49:580
1506499625,49cyclictest14235-21gltestperf10:36:593
1506399624,51cyclictest0-21swapper/211:11:392
1506399624,51cyclictest0-21swapper/209:07:552
1506399623,52cyclictest0-21swapper/210:52:012
1506399622,54cyclictest0-21swapper/210:41:562
15061996233,14cyclictest0-21swapper/109:59:431
219499610,8rtkit-daemon0-21swapper/010:44:231
219499610,6rtkit-daemon0-21swapper/208:59:203
219499610,6rtkit-daemon0-21swapper/208:59:203
219499610,4rtkit-daemon2193-21rtkit-daemon11:15:222
1506499618,46cyclictest22309-21ssh08:22:073
1506499614,49cyclictest0-21swapper/310:17:183
1506499614,49cyclictest0-21swapper/310:17:183
1506399615,47cyclictest0-21swapper/209:27:142
1506399614,49cyclictest0-21swapper/211:21:502
1506399614,49cyclictest0-21swapper/208:52:002
1506399614,49cyclictest0-21swapper/208:42:162
15061996133,12cyclictest0-21swapper/109:07:211
15061996133,11cyclictest5670-21sed11:12:101
219499600,6rtkit-daemon0-21swapper/108:20:140
219499600,4rtkit-daemon2193-21rtkit-daemon11:17:152
1506499604,16cyclictest0-21swapper/309:42:583
1506399603,49cyclictest0-21swapper/211:26:552
15061996030,13cyclictest0-21swapper/108:02:101
15061996029,12cyclictest0-21swapper/109:55:391
1505899603,28cyclictest0-21swapper/010:29:440
15058996010,33cyclictest0-21swapper/011:07:100
219499590,7rtkit-daemon0-21swapper/108:32:210
219499590,6rtkit-daemon0-21swapper/106:44:180
219499590,6rtkit-daemon0-21swapper/106:14:260
1506499595,47cyclictest0-21swapper/308:12:103
1506499595,45cyclictest10500-21ssh10:31:563
1506399595,47cyclictest16552-21sh08:12:232
1506399594,48cyclictest0-21swapper/210:27:162
1506399593,49cyclictest19865-21unixbench_multi08:17:202
1506399593,49cyclictest0-21swapper/209:02:052
1506399593,49cyclictest0-21swapper/208:36:452
1506199594,47cyclictest0-21swapper/108:57:031
1506199594,47cyclictest0-21swapper/108:57:031
15061995933,12cyclictest0-21swapper/109:39:491
15061995933,12cyclictest0-21swapper/109:39:491
15061995932,12cyclictest0-21swapper/109:33:211
15061995932,12cyclictest0-21swapper/108:42:181
15061995931,14cyclictest0-21swapper/108:29:571
15061995931,13cyclictest0-21swapper/107:20:441
15061995931,12cyclictest0-21swapper/110:22:401
15061995930,12cyclictest0-21swapper/106:22:131
15058995941,10cyclictest10979-21grep06:57:240
1506499585,40cyclictest0-21swapper/308:55:203
1506499584,47cyclictest0-21swapper/310:04:003
1506499584,15cyclictest0-21swapper/308:43:023
1506499583,48cyclictest12580-21rm08:07:133
15064995819,32cyclictest361ktimersoftd/309:27:153
15063995837,14cyclictest0-21swapper/209:37:102
15063995837,14cyclictest0-21swapper/209:37:102
1506399582,49cyclictest3219-21cpuspeed_turbos09:31:572
15061995833,11cyclictest3347-21runrttasks11:09:531
15061995831,13cyclictest0-21swapper/110:47:011
15061995831,13cyclictest0-21swapper/108:14:501
15061995831,12cyclictest0-21swapper/111:22:461
15061995830,13cyclictest0-21swapper/111:02:071
15061995830,13cyclictest0-21swapper/111:02:071
1505899583,47cyclictest0-21swapper/010:22:060
1505899583,34cyclictest0-21swapper/008:31:230
1505899583,21cyclictest0-21swapper/010:47:480
1505899582,50cyclictest0-21swapper/011:21:560
1505899582,49cyclictest0-21swapper/010:42:010
219499570,8rtkit-daemon2193-21rtkit-daemon07:47:230
1506499574,12cyclictest17279-21needreboot09:52:063
15064995721,30cyclictest25366-21cut09:16:543
1506399573,48cyclictest0-21swapper/208:46:572
1506399573,48cyclictest0-21swapper/206:12:082
1506399572,49cyclictest0-21swapper/210:18:242
1506399572,49cyclictest0-21swapper/210:18:242
1506399572,47cyclictest0-21swapper/208:01:462
15061995731,12cyclictest0-21swapper/108:52:521
1506199573,46cyclictest0-21swapper/108:23:401
15058995740,10cyclictest18583-21turbostat07:16:470
1505899573,47cyclictest0-21swapper/010:07:580
1505899573,47cyclictest0-21swapper/008:07:420
1505899573,35cyclictest0-21swapper/011:06:130
1505899573,35cyclictest0-21swapper/011:06:130
219499560,7rtkit-daemon0-21swapper/107:53:383
1506499564,9cyclictest7491-21ntp_states09:37:103
1506499564,9cyclictest7491-21ntp_states09:37:103
1506499564,45cyclictest30520-21munin-run07:41:473
1506499564,45cyclictest30520-21munin-run07:41:473
1506499564,10cyclictest16566-21latency09:02:073
15064995621,28cyclictest4080-21missed_timers09:32:083
15064995621,14cyclictest9844-21diskstats06:57:073
15064995618,32cyclictest24018-21gltestperf10:52:013
1506399563,47cyclictest0-21swapper/210:13:102
15063995629,12cyclictest0-21swapper/209:48:072
1506399562,48cyclictest0-21swapper/208:22:212
15061995637,11cyclictest8597-21unixbench_singl10:27:151
15061995630,12cyclictest0-21swapper/109:42:081
15061995626,11cyclictest5727-21taskset08:46:571
1505899565,44cyclictest0-21swapper/009:01:580
1505899564,9cyclictest22364-21awk10:01:410
1505899563,46cyclictest0-21swapper/008:42:300
1505899563,44cyclictest0-21swapper/010:56:410
1505899563,36cyclictest0-21swapper/009:17:040
1505899563,36cyclictest0-21swapper/008:12:030
1505899563,36cyclictest0-21swapper/007:02:190
1505899563,35cyclictest0-21swapper/010:01:440
1505899563,34cyclictest0-21swapper/011:18:330
1505899563,31cyclictest1227-21runrttasks09:12:170
1505899562,36cyclictest0-21swapper/009:33:460
1505899562,34cyclictest0-21swapper/009:42:030
1505899562,34cyclictest0-21swapper/008:52:050
15058995614,25cyclictest0-21swapper/007:41:590
83122553,43sleep10-21swapper/106:52:221
83122553,43sleep10-21swapper/106:52:221
219499550,5rtkit-daemon2193-21rtkit-daemon08:23:210
187842553,7sleep318786-21rm10:43:223
15063995529,10cyclictest23860-21cpuspeed_turbos07:27:022
15063995525,13cyclictest0-21swapper/208:56:572
15063995525,13cyclictest0-21swapper/208:56:572
15061995529,12cyclictest0-21swapper/111:29:551
15061995525,12cyclictest0-21swapper/109:29:361
15061995525,11cyclictest28085-21aten_r1power_fr08:31:591
1505899558,33cyclictest0-21swapper/009:50:320
15058995537,11cyclictest29238-21sed07:37:080
15058995537,11cyclictest29238-21sed07:37:080
1505899553,43cyclictest0-21swapper/009:37:490
1505899553,43cyclictest0-21swapper/009:37:490
1505899553,33cyclictest0-21swapper/011:28:100
1505899553,32cyclictest0-21swapper/009:28:120
1505899552,48cyclictest0-21swapper/008:57:240
1505899552,48cyclictest0-21swapper/008:57:240
1505899552,46cyclictest0-21swapper/008:37:580
15058995517,21cyclictest0-21swapper/010:12:520
219499540,7rtkit-daemon0-21swapper/109:13:343
219499540,6rtkit-daemon0-21swapper/109:23:273
1506499546,31cyclictest0-21swapper/308:00:513
1506499544,15cyclictest0-21swapper/311:19:183
1506399544,43cyclictest0-21swapper/210:32:372
1506399542,47cyclictest0-21swapper/208:31:452
1506399542,46cyclictest0-21swapper/206:42:132
15063995418,29cyclictest0-21swapper/210:37:032
1506199545,29cyclictest0-21swapper/110:17:101
1506199545,29cyclictest0-21swapper/110:17:101
1506199544,41cyclictest29939-21ssh09:22:121
1506199544,31cyclictest0-21swapper/109:47:181
15061995430,11cyclictest0-21swapper/109:06:321
15061995428,12cyclictest0-21swapper/107:12:041
1505899543,32cyclictest0-21swapper/006:26:500
1505899543,28cyclictest7827-21grep08:01:460
1505899542,46cyclictest0-21swapper/010:31:510
1505899542,33cyclictest0-21swapper/010:20:060
1505899542,33cyclictest0-21swapper/010:20:060
15058995415,22cyclictest0-21swapper/009:06:490
15058995413,21cyclictest0-21swapper/011:11:490
219499530,6rtkit-daemon2193-21rtkit-daemon07:32:010
219499530,6rtkit-daemon2193-21rtkit-daemon07:22:160
219499530,5rtkit-daemon2193-21rtkit-daemon07:07:020
219499530,4rtkit-daemon2193-21rtkit-daemon08:06:370
219499530,4rtkit-daemon2193-21rtkit-daemon06:53:100
219499530,4rtkit-daemon2193-21rtkit-daemon06:53:100
219499530,4rtkit-daemon2193-21rtkit-daemon06:47:330
219499530,4rtkit-daemon2193-21rtkit-daemon06:41:100
1506499535,28cyclictest0-21swapper/306:25:353
1506499534,33cyclictest0-21swapper/308:39:293
1506499534,11cyclictest6482-21gltestperf08:47:053
1506499534,11cyclictest0-21swapper/310:14:233
1506499533,10cyclictest9209-21missed_timers08:02:113
15063995337,9cyclictest14852-21grep07:07:082
15063995325,13cyclictest0-21swapper/207:51:592
1506399532,46cyclictest0-21swapper/209:22:032
1506399532,46cyclictest0-21swapper/209:17:082
1506399532,45cyclictest0-21swapper/207:02:042
15063995310,36cyclictest0-21swapper/207:46:582
1506199535,12cyclictest0-21swapper/110:41:281
1506199534,32cyclictest0-21swapper/110:09:211
1506199534,30cyclictest0-21swapper/106:07:061
1506199534,30cyclictest0-21swapper/106:07:061
15061995328,11cyclictest0-21swapper/110:53:231
15061995322,13cyclictest0-21swapper/107:52:161
1505899533,43cyclictest0-21swapper/007:27:030
1505899533,43cyclictest0-21swapper/006:32:040
325332522,9sleep30-21swapper/311:05:353
325332522,9sleep30-21swapper/311:05:353
219499520,5rtkit-daemon2193-21rtkit-daemon06:27:110
219499520,4rtkit-daemon2193-21rtkit-daemon07:54:300
219499520,4rtkit-daemon2193-21rtkit-daemon06:20:560
1506499524,29cyclictest0-21swapper/307:22:133
1506499523,12cyclictest0-21swapper/310:57:053
15064995224,9cyclictest7628-21ssh10:27:013
1506499522,23cyclictest30409-21head06:32:113
15064995219,16cyclictest0-21swapper/308:33:013
1506399522,44cyclictest0-21swapper/206:37:142
1506199526,27cyclictest0-21swapper/111:16:531
1506199525,39cyclictest0-21swapper/107:37:181
1506199525,39cyclictest0-21swapper/107:37:181
15061995231,8cyclictest7176-21grep07:57:191
15061995231,10cyclictest0-21swapper/110:59:401
15061995221,14cyclictest0-21swapper/109:12:171
1506499515,28cyclictest0-21swapper/311:26:383
1506499514,27cyclictest0-21swapper/310:21:553
1506499513,9cyclictest160642sleep311:28:123
1506499512,19cyclictest0-21swapper/308:17:583
1506399514,15cyclictest0-21swapper/209:52:022
15063995124,10cyclictest0-21swapper/209:12:192
1506399512,44cyclictest0-21swapper/207:36:482
1506199515,29cyclictest0-21swapper/107:46:591
1506199515,28cyclictest0-21swapper/110:32:041
1506199514,29cyclictest0-21swapper/110:02:411
1506199514,29cyclictest0-21swapper/108:37:021
1506199514,29cyclictest0-21swapper/106:27:191
1506199514,29cyclictest0-21swapper/106:02:181
15061995119,14cyclictest0-21swapper/107:42:131
1505899512,31cyclictest17571-21grep09:52:130
122172512,9sleep10-21swapper/107:02:051
1506499505,28cyclictest0-21swapper/309:07:173
1506499503,9cyclictest8313-21python06:52:213
1506499503,9cyclictest8313-21python06:52:213
1506499503,8cyclictest6631-21latency_hist06:51:493
1506499503,8cyclictest31978-21munin-node06:37:013
1506499503,8cyclictest12043-21expr07:02:033
1506499503,11cyclictest0-21swapper/310:46:513
15064995020,14cyclictest0-21swapper/309:50:043
1506499502,11cyclictest0-21swapper/306:42:233
15064995019,12cyclictest0-21swapper/307:15:433
1506399504,40cyclictest0-21swapper/206:57:022
15063995026,12cyclictest0-21swapper/206:47:312
1506399502,43cyclictest0-21swapper/207:37:112
1506399502,43cyclictest0-21swapper/207:37:112
1506399502,42cyclictest0-21swapper/206:07:082
1506399502,42cyclictest0-21swapper/206:07:082
1506399502,42cyclictest0-21swapper/206:01:512
15061995031,11cyclictest29909-21cpuspeed_turbos06:32:051
1506199503,41cyclictest0-21swapper/107:30:461
1506199503,29cyclictest0-21swapper/107:32:151
165602492,40sleep20-21swapper/206:02:202
1506499494,28cyclictest0-21swapper/306:12:183
1506499494,27cyclictest0-21swapper/306:27:183
1506499494,27cyclictest0-21swapper/306:02:073
1506499493,41cyclictest0-21swapper/311:10:373
15064994922,11cyclictest0-21swapper/310:06:573
1506399492,41cyclictest0-21swapper/206:52:032
1506399492,41cyclictest0-21swapper/206:52:032
1506399492,41cyclictest0-21swapper/206:32:042
1506399492,41cyclictest0-21swapper/206:22:052
1506199498,13cyclictest0-21swapper/106:12:031
1506199494,28cyclictest0-21swapper/107:26:471
15061994930,11cyclictest2926-21gltestperf06:42:091
1506199493,28cyclictest0-21swapper/107:10:431
15061994927,11cyclictest0-21swapper/106:57:021
1506499484,27cyclictest0-21swapper/307:27:103
1506499484,27cyclictest0-21swapper/307:07:123
1506499483,25cyclictest674-21munin-node07:47:103
15064994813,27cyclictest0-21swapper/307:42:003
15063994826,10cyclictest0-21swapper/207:22:182
1506399482,41cyclictest0-21swapper/206:27:252
1506499474,26cyclictest0-21swapper/306:07:193
1506499474,26cyclictest0-21swapper/306:07:193
1506399479,32cyclictest12-21rcu_preempt07:12:002
1506399472,40cyclictest0-21swapper/207:42:032
148052474,36sleep00-21swapper/005:59:010
324302462,38sleep10-21swapper/106:37:061
15063994619,12cyclictest0-21swapper/207:17:012
62832452,9sleep10-21swapper/106:47:261
280802452,37sleep30-21swapper/307:36:173
1506199453,37cyclictest0-21swapper/106:17:171
224282442,9sleep30-21swapper/306:16:563
1506499444,24cyclictest0-21swapper/307:17:143
1506199394,12cyclictest0-21swapper/106:01:511
1506499363,27cyclictest0-21swapper/306:01:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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