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2025-11-19 - 08:55
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack1slot8.osadl.org (updated Wed Nov 19, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241812945926,13sleep10-21swapper/119:05:321
2466999839756,56cyclictest0-21swapper/019:21:330
2466999838757,50cyclictest0-21swapper/019:10:020
2467099785700,49cyclictest0-21swapper/119:21:331
2467099782703,47cyclictest0-21swapper/119:10:021
2168991240,11rtkit-daemon0-21swapper/021:18:300
246709910010,66cyclictest0-21swapper/120:23:001
216899930,12rtkit-daemon0-21swapper/023:27:370
24669998970,15cyclictest0-21swapper/023:35:590
24670998813,57cyclictest0-21swapper/121:39:001
24669998867,16cyclictest78950irq/46-eth0-tx-23:59:580
24670998613,50cyclictest0-21swapper/121:09:591
216899770,4rtkit-daemon2167-21rtkit-daemon00:04:331
216899760,4rtkit-daemon2167-21rtkit-daemon23:37:231
216899750,5rtkit-daemon2167-21rtkit-daemon00:30:191
216899750,3rtkit-daemon2167-21rtkit-daemon19:06:480
24669997314,36cyclictest0-21swapper/021:55:280
216899730,4rtkit-daemon2167-21rtkit-daemon22:42:181
210162730,3sleep013-21rcu_preempt00:28:090
216899720,21rtkit-daemon0-21swapper/023:24:570
216899700,3rtkit-daemon2167-21rtkit-daemon22:31:171
2467099695,43cyclictest0-21swapper/122:55:591
24670996918,36cyclictest0-21swapper/123:44:001
24669996849,15cyclictest0-21swapper/021:28:590
24669996837,23cyclictest0-21swapper/023:45:010
24669996836,24cyclictest0-21swapper/022:29:500
24669996836,24cyclictest0-21swapper/022:29:500
216899680,9rtkit-daemon0-21swapper/019:31:380
216899670,9rtkit-daemon0-21swapper/020:44:550
216899670,9rtkit-daemon0-21swapper/019:54:190
24669996636,24cyclictest0-21swapper/022:07:290
216899660,3rtkit-daemon2167-21rtkit-daemon23:33:230
24670996514,33cyclictest0-21swapper/123:08:001
24670996512,38cyclictest0-21swapper/121:02:591
2466999654,54cyclictest0-21swapper/023:17:590
24669996527,31cyclictest0-21swapper/000:15:220
24669996527,31cyclictest0-21swapper/000:15:220
24669996522,36cyclictest4750-21ssh21:10:290
24669996522,26cyclictest12981-21idleruntime-cro00:15:000
24669996513,47cyclictest0-21swapper/022:21:590
216899650,3rtkit-daemon24667-21cyclictest22:00:160
24670996414,34cyclictest0-21swapper/120:04:591
2466999648,48cyclictest0-21swapper/022:55:270
24669996437,16cyclictest0-21swapper/021:40:220
24669996413,44cyclictest9139-21ssh00:07:010
2466999635,51cyclictest0-21swapper/000:00:430
24669996332,25cyclictest0-21swapper/000:33:110
24669996323,24cyclictest30914-21latency_hist23:50:010
24670996214,32cyclictest0-21swapper/123:28:591
24670996214,32cyclictest0-21swapper/119:56:001
24670996214,31cyclictest0-21swapper/121:27:591
24670996214,29cyclictest0-21swapper/120:34:591
24670996213,34cyclictest0-21swapper/121:18:591
24669996239,17cyclictest0-21swapper/022:30:280
24669996233,21cyclictest0-21swapper/022:55:000
24669996224,9cyclictest5214-21ssh23:05:000
24669996222,33cyclictest22661-21sh22:38:070
24669996219,25cyclictest3388-21diskmemload21:45:310
216899620,9rtkit-daemon0-21swapper/020:36:140
216899620,9rtkit-daemon0-21swapper/020:01:000
216899620,9rtkit-daemon0-21swapper/019:38:590
216899620,8rtkit-daemon0-21swapper/020:48:300
216899620,8rtkit-daemon0-21swapper/020:28:490
216899620,10rtkit-daemon0-21swapper/023:06:170
24670996114,37cyclictest0-21swapper/119:16:001
24670996114,33cyclictest0-21swapper/120:54:001
24670996113,33cyclictest0-21swapper/123:12:001
24670996113,31cyclictest0-21swapper/123:45:591
24670996112,33cyclictest0-21swapper/120:17:591
2466999618,44cyclictest0-21swapper/022:40:290
24669996134,21cyclictest0-21swapper/000:35:210
216899610,9rtkit-daemon0-21swapper/021:06:400
216899610,9rtkit-daemon0-21swapper/020:55:550
216899610,9rtkit-daemon0-21swapper/019:25:280
216899610,7rtkit-daemon0-21swapper/020:30:540
216899610,11rtkit-daemon0-21swapper/022:10:310
24670996015,28cyclictest0-21swapper/121:53:001
24670996013,37cyclictest0-21swapper/119:34:001
24670996013,33cyclictest0-21swapper/119:26:591
24670996012,31cyclictest0-21swapper/119:39:001
2466999605,40cyclictest0-21swapper/020:14:420
24669996016,28cyclictest0-21swapper/019:42:100
24669996013,30cyclictest0-21swapper/019:45:250
24670995915,30cyclictest0-21swapper/120:07:591
24670995913,30cyclictest0-21swapper/121:45:591
24670995912,31cyclictest0-21swapper/122:06:001
2466999599,44cyclictest0-21swapper/022:17:000
24669995938,15cyclictest0-21swapper/000:25:000
24669995916,26cyclictest0-21swapper/023:12:480
216899590,6rtkit-daemon0-21swapper/021:39:500
216899590,10rtkit-daemon0-21swapper/022:45:270
24670995814,31cyclictest0-21swapper/120:45:591
24670995813,32cyclictest0-21swapper/120:56:001
24670995812,31cyclictest0-21swapper/100:09:581
24670995812,30cyclictest0-21swapper/100:26:581
2466999586,33cyclictest0-21swapper/019:20:010
24669995821,9cyclictest9523-21ssh21:20:130
24669995819,23cyclictest32166-21ssh23:50:270
24669995817,25cyclictest19423-21idleruntime-cro20:25:010
216899580,9rtkit-daemon0-21swapper/019:59:140
24670995715,28cyclictest0-21swapper/121:59:001
24670995713,28cyclictest0-21swapper/121:32:591
24670995712,34cyclictest0-21swapper/122:02:591
24670995712,28cyclictest0-21swapper/123:02:591
24669995734,16cyclictest0-21swapper/021:30:210
2467099566,35cyclictest0-21swapper/121:10:591
2467099565,34cyclictest0-21swapper/122:37:591
24670995615,27cyclictest0-21swapper/119:43:591
24670995613,31cyclictest0-21swapper/122:47:591
24670995612,32cyclictest0-21swapper/122:16:001
24670995612,30cyclictest0-21swapper/123:15:591
24670995611,33cyclictest0-21swapper/100:39:591
24669995618,32cyclictest27544-21sh21:50:190
24669995515,34cyclictest0-21swapper/021:05:010
239432554,12sleep10-21swapper/121:44:251
216899550,14rtkit-daemon2167-21rtkit-daemon20:05:140
216899550,10rtkit-daemon0-21swapper/020:51:310
107662552,7sleep110837-21iostat00:10:211
264822544,12sleep10-21swapper/120:43:271
24670995413,30cyclictest0-21swapper/120:36:001
24670995413,29cyclictest0-21swapper/119:50:591
24670995412,30cyclictest0-21swapper/120:26:591
2467099538,30cyclictest0-21swapper/122:27:001
2467099538,30cyclictest0-21swapper/122:26:591
24670995319,27cyclictest0-21swapper/123:59:141
24670995314,28cyclictest0-21swapper/121:23:591
24670995312,29cyclictest0-21swapper/123:33:591
24670995312,28cyclictest0-21swapper/120:13:591
2466999536,38cyclictest0-21swapper/020:15:250
176252534,12sleep10-21swapper/100:21:351
24670995221,24cyclictest0-21swapper/122:10:241
24670995211,33cyclictest0-21swapper/123:23:591
9682514,11sleep10-21swapper/123:53:391
2467099496,35cyclictest0-21swapper/119:45:171
24670994911,27cyclictest0-21swapper/122:21:591
24670994813,24cyclictest0-21swapper/100:15:581
24670994813,24cyclictest0-21swapper/100:15:581
24670994811,31cyclictest0-21swapper/122:53:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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