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2026-03-12 - 17:16
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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
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Thu Mar 12, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
802872253180,58sleep10-21swapper/107:06:331
806002241199,28sleep00-21swapper/007:09:550
17099721560,4sleep1170991-21ntp_states10:05:201
1414422750,6sleep1141427-21latency09:25:201
179699640,5rtkit-daemon0-21swapper/011:57:350
8072199591,14cyclictest129203-21diskmemload10:50:121
179699570,3rtkit-daemon0-21swapper/009:32:460
8072199562,8cyclictest177187-21apt-get10:15:121
8072199562,14cyclictest109202-40unattended-upgr08:15:411
179699560,3rtkit-daemon0-21swapper/010:36:160
179699550,3rtkit-daemon0-21swapper/011:06:070
179699550,3rtkit-daemon0-21swapper/010:01:350
179699540,4rtkit-daemon1795-21rtkit-daemon07:46:561
179699540,14rtkit-daemon0-21swapper/110:30:490
179699530,3rtkit-daemon0-21swapper/011:15:320
179699530,3rtkit-daemon0-21swapper/011:02:500
179699530,3rtkit-daemon0-21swapper/010:49:350
179699530,3rtkit-daemon0-21swapper/008:03:340
8072199521,12cyclictest184458-21apt-get10:25:121
179699520,4rtkit-daemon1795-21rtkit-daemon09:26:570
179699520,4rtkit-daemon166135-21ssh09:59:540
179699520,3rtkit-daemon0-21swapper/109:42:541
179699520,3rtkit-daemon0-21swapper/011:37:360
179699520,3rtkit-daemon0-21swapper/011:28:260
179699520,3rtkit-daemon0-21swapper/009:53:290
2263752510,6sleep00-21swapper/011:22:110
179699510,4rtkit-daemon1795-21rtkit-daemon09:00:430
179699510,3rtkit-daemon0-21swapper/012:34:400
179699510,3rtkit-daemon0-21swapper/011:54:180
179699510,3rtkit-daemon0-21swapper/009:38:160
179699510,14rtkit-daemon0-21swapper/109:07:480
179699500,5rtkit-daemon1795-21rtkit-daemon07:52:070
179699500,3rtkit-daemon1795-21rtkit-daemon11:47:440
179699500,3rtkit-daemon1795-21rtkit-daemon08:42:440
179699500,3rtkit-daemon0-21swapper/012:25:160
179699500,3rtkit-daemon0-21swapper/010:42:190
179699490,4rtkit-daemon1795-21rtkit-daemon12:38:380
179699490,4rtkit-daemon1795-21rtkit-daemon12:19:240
179699490,1rtkit-daemon1795-21rtkit-daemon09:23:110
179699480,19rtkit-daemon80708-21cyclictest08:36:250
179699480,19rtkit-daemon80708-21cyclictest08:36:250
2223862470,1sleep10-21swapper/111:16:061
179699470,3rtkit-daemon1795-21rtkit-daemon08:46:490
179699470,1rtkit-daemon1795-21rtkit-daemon08:13:320
179699460,4rtkit-daemon1795-21rtkit-daemon07:34:280
179699460,3rtkit-daemon1795-21rtkit-daemon08:52:170
179699460,3rtkit-daemon0-21swapper/011:14:460
179699460,1rtkit-daemon1795-21rtkit-daemon11:34:590
8072199453,7cyclictest113756-21apt-get08:30:101
8072199452,15cyclictest162906-21apt-get09:55:121
179699450,1rtkit-daemon1795-21rtkit-daemon08:57:200
179699450,1rtkit-daemon1795-21rtkit-daemon08:07:200
179699450,1rtkit-daemon1795-21rtkit-daemon07:12:240
8072199444,16cyclictest269591-21fwupd12:23:181
179699440,2rtkit-daemon1795-21rtkit-daemon12:27:191
8072199433,9cyclictest83399-21apt-get07:15:121
179699420,13rtkit-daemon0-21swapper/109:11:130
8072199412,8cyclictest85784-21apt-get07:20:121
8072199412,8cyclictest85784-21apt-get07:20:111
8072199412,8cyclictest245472-21apt-get11:50:121
179699410,1rtkit-daemon1795-21rtkit-daemon10:25:400
8072199402,14cyclictest129479-21apt-get09:10:151
179699400,13rtkit-daemon0-21swapper/110:17:410
80721993911,5cyclictest129203-21diskmemload10:40:191
179699390,3rtkit-daemon0-21swapper/011:30:181
8072199383,8cyclictest91630-21apt-get07:35:131
8072199383,8cyclictest213644-21apt-get11:05:141
8072199382,7cyclictest256538-21apt-get12:05:131
8072199382,13cyclictest148239-21taskset09:35:121
8072199381,12cyclictest210017-21cnf-update-db11:00:031
8072199381,12cyclictest125502-21apt-get09:00:131
8072199377,3cyclictest141rcu_preempt11:56:041
8072199372,9cyclictest103429-21apt-get08:05:111
8072199361,9cyclictest188411-40apt-check10:30:181
8072199361,13cyclictest278088-21taskset12:35:131
8072199361,12cyclictest105376-21apt-get08:10:121
179699360,13rtkit-daemon0-21swapper/107:23:080
179699360,13rtkit-daemon0-21swapper/107:23:070
179699350,4rtkit-daemon1795-21rtkit-daemon10:56:540
179699350,3rtkit-daemon0-21swapper/008:30:360
179699350,3rtkit-daemon0-21swapper/008:28:560
8072199343,7cyclictest180899-21apt-get10:20:131
8072199342,7cyclictest87731-21apt-get07:25:131
8072199341,13cyclictest80876-21apt-get07:10:111
8072199331,11cyclictest198513-1kworker/u9:211:10:111
179699330,3rtkit-daemon0-21swapper/010:48:151
80721993128,2cyclictest18150irq/39-mmc008:55:261
179699310,3rtkit-daemon0-21swapper/110:14:460
179699310,3rtkit-daemon0-21swapper/010:00:521
179699300,3rtkit-daemon0-21swapper/012:33:251
8072199290,1cyclictest0-21swapper/112:04:561
179699290,4rtkit-daemon1795-21rtkit-daemon07:39:520
179699290,3rtkit-daemon0-21swapper/010:59:381
8072199270,7cyclictest245219-21cron11:50:001
8071399273,17cyclictest202643-21apt-get10:50:140
179699270,3rtkit-daemon0-21swapper/009:32:511
8072199260,6cyclictest0-21swapper/107:56:551
8071399260,6cyclictest0-21swapper/007:45:080
8072199252,16cyclictest224271-21apt-get11:20:141
8072199252,14cyclictest111811-21apt-get08:25:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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