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2026-03-27 - 20:12
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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 Fri Mar 27, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25939272266189,27sleep00-21swapper/007:07:260
25939382265179,28sleep10-21swapper/107:07:321
179699600,3rtkit-daemon0-21swapper/010:50:340
179699600,1rtkit-daemon1795-21rtkit-daemon09:20:150
27625932590,3sleep0161rcuc/011:59:070
179699590,3rtkit-daemon0-21swapper/010:49:240
179699560,4rtkit-daemon1795-21rtkit-daemon08:33:091
179699560,4rtkit-daemon0-21swapper/009:39:300
179699560,3rtkit-daemon1795-21rtkit-daemon09:16:591
179699560,1rtkit-daemon1795-21rtkit-daemon07:55:000
179699550,4rtkit-daemon1795-21rtkit-daemon10:18:090
179699550,3rtkit-daemon1795-21rtkit-daemon08:55:121
179699550,3rtkit-daemon0-21swapper/010:43:110
179699550,3rtkit-daemon0-21swapper/008:08:210
179699540,4rtkit-daemon1795-21rtkit-daemon11:02:230
179699540,3rtkit-daemon0-21swapper/010:38:260
179699540,3rtkit-daemon0-21swapper/007:44:380
179699520,4rtkit-daemon1795-21rtkit-daemon11:48:450
179699520,4rtkit-daemon1795-21rtkit-daemon09:01:510
179699520,3rtkit-daemon1795-21rtkit-daemon10:00:590
179699520,3rtkit-daemon1795-21rtkit-daemon09:30:560
179699520,3rtkit-daemon0-21swapper/012:14:170
179699520,3rtkit-daemon0-21swapper/009:44:460
179699520,3rtkit-daemon0-21swapper/007:48:420
179699510,4rtkit-daemon1795-21rtkit-daemon12:27:540
179699510,4rtkit-daemon1795-21rtkit-daemon08:49:230
179699510,3rtkit-daemon1795-21rtkit-daemon07:56:100
179699510,3rtkit-daemon0-21swapper/011:54:210
179699510,3rtkit-daemon0-21swapper/011:11:140
179699500,3rtkit-daemon1795-21rtkit-daemon12:17:320
179699500,3rtkit-daemon1795-21rtkit-daemon11:09:060
179699500,3rtkit-daemon0-21swapper/007:36:050
179699480,22rtkit-daemon893-21snmpd08:39:040
179699470,3rtkit-daemon0-21swapper/007:32:170
179699470,20rtkit-daemon2594280-21cyclictest09:47:050
179699470,19rtkit-daemon1795-21rtkit-daemon10:33:070
179699420,3rtkit-daemon0-21swapper/011:29:480
179699420,17rtkit-daemon761-21avahi-daemon11:16:280
179699390,13rtkit-daemon0-21swapper/109:28:430
179699380,3rtkit-daemon0-21swapper/011:21:230
2594291993526,7cyclictest2689863-21grep10:15:181
179699350,3rtkit-daemon0-21swapper/011:30:051
179699340,3rtkit-daemon0-21swapper/011:25:481
179699340,3rtkit-daemon0-21swapper/009:35:331
179699330,4rtkit-daemon1795-21rtkit-daemon11:44:471
179699330,4rtkit-daemon1795-21rtkit-daemon11:34:570
179699330,3rtkit-daemon0-21swapper/012:10:091
179699330,3rtkit-daemon0-21swapper/011:53:121
179699330,3rtkit-daemon0-21swapper/010:36:531
179699330,3rtkit-daemon0-21swapper/009:46:211
179699320,3rtkit-daemon1795-21rtkit-daemon08:02:060
179699320,3rtkit-daemon0-21swapper/110:58:430
179699320,3rtkit-daemon0-21swapper/010:28:211
179699320,3rtkit-daemon0-21swapper/007:46:001
179699310,3rtkit-daemon1795-21rtkit-daemon08:13:030
179699310,3rtkit-daemon0-21swapper/011:12:121
179699310,3rtkit-daemon0-21swapper/009:43:271
2594291993014,11cyclictest2745779-21apt-get11:35:151
179699300,3rtkit-daemon1795-21rtkit-daemon09:58:151
179699300,3rtkit-daemon1795-21rtkit-daemon07:56:031
179699300,3rtkit-daemon0-21swapper/108:20:260
179699300,3rtkit-daemon0-21swapper/010:56:111
179699300,3rtkit-daemon0-21swapper/008:08:531
179699300,3rtkit-daemon0-21swapper/007:40:051
179699300,3rtkit-daemon0-21swapper/007:39:251
179699300,24rtkit-daemon2594280-21cyclictest08:15:230
179699290,3rtkit-daemon0-21swapper/110:26:110
179699290,3rtkit-daemon0-21swapper/010:49:311
179699290,3rtkit-daemon0-21swapper/010:40:141
179699290,3rtkit-daemon0-21swapper/007:50:211
179699290,3rtkit-daemon0-21swapper/007:32:391
179699290,3rtkit-daemon0-21swapper/007:29:571
2594286992813,9cyclictest2675599-21apt-get09:55:140
179699280,3rtkit-daemon1795-21rtkit-daemon08:14:051
179699280,3rtkit-daemon0-21swapper/010:33:191
179699280,3rtkit-daemon0-21swapper/008:28:371
179699280,23rtkit-daemon2594280-21cyclictest10:24:440
259429199277,13cyclictest2731923-21apt-get11:15:131
2594291992713,9cyclictest2672160-21apt-get09:50:121
179699270,3rtkit-daemon0-21swapper/108:27:200
27763942260,6sleep1251rcuc/112:18:531
259429199264,20cyclictest2625206-21wc08:25:011
259429199263,15cyclictest2721435-21apt-get11:00:121
259429199262,11cyclictest2690999-21kworker/u8:110:20:131
2594291992617,7cyclictest2735613-21fschecks_time11:20:171
179699260,4rtkit-daemon1795-21rtkit-daemon07:20:050
179699260,20rtkit-daemon2594280-21cyclictest08:42:260
2594291992519,4cyclictest2616777-21chrt08:03:401
2594291992513,7cyclictest66950irq/132-enp2s010:05:121
2594291992513,7cyclictest66950irq/132-enp2s010:00:131
179699250,1rtkit-daemon1795-21rtkit-daemon12:32:031
179699250,1rtkit-daemon1795-21rtkit-daemon12:28:301
179699250,1rtkit-daemon1795-21rtkit-daemon12:21:341
179699250,1rtkit-daemon1795-21rtkit-daemon09:54:300
259429199243,9cyclictest2686112-21apt-get10:10:131
259429199243,15cyclictest2598939-21apt-get07:20:131
259429199240,6cyclictest0-21swapper/111:59:441
259429199240,6cyclictest0-21swapper/109:33:111
259429199240,6cyclictest0-21swapper/109:00:201
2594286992410,9cyclictest2600889-21apt-get07:25:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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