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2026-06-22 - 01:10
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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 Sun Jun 21, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
390351923690,8sleep00-21swapper/007:05:150
39049952265207,43sleep10-21swapper/107:07:251
179699710,5rtkit-daemon4108162-21ssh12:38:081
40680232590,3sleep00-21swapper/011:42:090
179699590,4rtkit-daemon1795-21rtkit-daemon10:27:501
179699570,4rtkit-daemon1795-21rtkit-daemon12:34:351
179699570,3rtkit-daemon0-21swapper/011:30:090
179699560,4rtkit-daemon1795-21rtkit-daemon09:55:030
179699560,4rtkit-daemon1795-21rtkit-daemon07:39:210
179699550,4rtkit-daemon1795-21rtkit-daemon09:54:060
179699540,5rtkit-daemon1795-21rtkit-daemon07:44:030
179699540,4rtkit-daemon1795-21rtkit-daemon10:10:031
179699540,3rtkit-daemon1795-21rtkit-daemon10:40:310
40936962530,3sleep0161rcuc/012:18:480
179699530,4rtkit-daemon1795-21rtkit-daemon12:19:351
179699530,4rtkit-daemon1795-21rtkit-daemon10:34:361
40123012510,2chrt4011287-21/usr/sbin/munin10:25:210
179699510,4rtkit-daemon1795-21rtkit-daemon07:47:540
179699510,2rtkit-daemon1795-21rtkit-daemon10:35:231
179699500,4rtkit-daemon1795-21rtkit-daemon12:03:231
179699470,6rtkit-daemon4033809-21ntpq10:55:211
179699460,4rtkit-daemon1795-21rtkit-daemon08:20:031
179699460,3rtkit-daemon0-21swapper/107:14:421
39746422450,2sleep00-21swapper/009:35:180
179699440,3rtkit-daemon0-21swapper/112:26:541
179699430,3rtkit-daemon0-21swapper/008:29:051
179699420,3rtkit-daemon0-21swapper/009:43:311
40781422410,2sleep00-21swapper/011:55:320
179699400,3rtkit-daemon0-21swapper/112:10:491
179699400,3rtkit-daemon0-21swapper/109:03:401
179699400,3rtkit-daemon0-21swapper/008:03:131
179699390,4rtkit-daemon1795-21rtkit-daemon12:21:571
179699390,3rtkit-daemon1795-21rtkit-daemon08:59:581
179699390,3rtkit-daemon1795-21rtkit-daemon07:23:001
179699390,3rtkit-daemon0-21swapper/008:05:511
39229522380,2sleep13905346-21cyclictest07:50:011
179699380,4rtkit-daemon0-21swapper/011:04:461
179699380,3rtkit-daemon0-21swapper/011:49:171
179699370,3rtkit-daemon0-21swapper/011:35:471
179699370,3rtkit-daemon0-21swapper/007:41:351
179699360,5rtkit-daemon1795-21rtkit-daemon09:42:540
179699360,3rtkit-daemon0-21swapper/109:04:230
179699360,3rtkit-daemon0-21swapper/011:20:101
179699360,3rtkit-daemon0-21swapper/008:05:360
39088072350,4chrt0-21swapper/007:15:220
179699350,4rtkit-daemon1795-21rtkit-daemon09:49:460
179699350,4rtkit-daemon1795-21rtkit-daemon09:28:240
179699350,3rtkit-daemon0-21swapper/011:30:521
179699350,3rtkit-daemon0-21swapper/009:53:581
179699350,3rtkit-daemon0-21swapper/007:39:281
179699350,1rtkit-daemon1795-21rtkit-daemon09:05:121
179699340,4rtkit-daemon1795-21rtkit-daemon11:45:040
179699340,3rtkit-daemon0-21swapper/110:36:430
179699340,3rtkit-daemon0-21swapper/110:34:230
179699340,3rtkit-daemon0-21swapper/011:17:311
179699340,3rtkit-daemon0-21swapper/008:14:361
179699340,1rtkit-daemon1795-21rtkit-daemon11:10:281
179699340,1rtkit-daemon1795-21rtkit-daemon09:59:311
179699330,3rtkit-daemon1795-21rtkit-daemon10:45:500
179699330,3rtkit-daemon1795-21rtkit-daemon07:31:290
179699330,3rtkit-daemon0-21swapper/110:21:170
390536099321,17cyclictest3954923-21diskmemload10:20:191
179699320,4rtkit-daemon1795-21rtkit-daemon11:19:420
179699320,4rtkit-daemon1795-21rtkit-daemon09:48:351
179699320,3rtkit-daemon1795-21rtkit-daemon09:34:220
179699320,3rtkit-daemon1795-21rtkit-daemon08:11:050
3905360993128,2cyclictest66950irq/132-enp2s010:05:481
179699310,4rtkit-daemon1795-21rtkit-daemon09:22:170
179699310,1rtkit-daemon1795-21rtkit-daemon10:01:511
179699300,4rtkit-daemon1795-21rtkit-daemon09:24:241
390536099291,15cyclictest3954923-21diskmemload11:05:481
390536099291,14cyclictest3954923-21diskmemload09:35:461
390536099291,14cyclictest3954923-21diskmemload09:26:571
390536099280,18cyclictest284-20systemd-journal10:49:551
390536099271,8cyclictest3954923-21diskmemload12:07:051
390536099271,13cyclictest3954923-21diskmemload11:42:491
390536099271,12cyclictest3954923-21diskmemload11:25:211
390535599273,17cyclictest4094469-21apt-get12:20:120
390536099261,7cyclictest3954923-21diskmemload10:50:071
390536099261,7cyclictest3954923-21diskmemload09:15:211
390536099261,6cyclictest3954923-21diskmemload11:55:121
390536099261,6cyclictest3954923-21diskmemload09:31:041
390535599261,4cyclictest141rcu_preempt10:55:030
3905355992612,9cyclictest4040218-21apt-get11:05:130
3905355992611,10cyclictest3910013-21apt-get07:20:120
179699260,1rtkit-daemon1795-21rtkit-daemon09:17:500
390536099253,8cyclictest26-21ksoftirqd/110:19:421
390536099251,7cyclictest3954923-21diskmemload11:53:511
3905355992523,1cyclictest66950irq/132-enp2s011:39:240
390535599252,15cyclictest4054635-21apt-get11:25:120
3905355992512,9cyclictest4083786-21apt12:05:140
179699250,1rtkit-daemon1795-21rtkit-daemon08:25:250
390536099241,12cyclictest3954923-21diskmemload10:40:091
390535599243,14cyclictest3924950-21apt-get07:55:130
3905355992416,6cyclictest763-21dbus-daemon07:30:010
3905355992410,9cyclictest3974489-1kworker/u9:110:00:140
3905355992410,12cyclictest13-21ksoftirqd/012:35:220
390536099233,8cyclictest3958805-21awk09:15:011
390536099232,15cyclictest3946872-21apt-get08:50:141
390535599239,9cyclictest4102141-21apt-get12:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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