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2025-12-31 - 13:16
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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 Wed Dec 31, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40610312247186,47sleep10-21swapper/119:06:541
40610772239196,29sleep00-21swapper/019:07:250
412035921520,4sleep10-21swapper/121:22:191
179699650,4rtkit-daemon1795-21rtkit-daemon19:52:371
41687632580,12sleep0161rcuc/022:25:200
179699570,4rtkit-daemon1795-21rtkit-daemon20:03:271
179699530,4rtkit-daemon1795-21rtkit-daemon19:53:020
40882532510,5sleep04088258-21fschecks_time20:15:180
179699510,3rtkit-daemon1795-21rtkit-daemon21:32:180
179699500,4rtkit-daemon1795-21rtkit-daemon23:25:290
179699490,4rtkit-daemon1795-21rtkit-daemon21:35:590
179699490,4rtkit-daemon1795-21rtkit-daemon00:39:491
179699470,4rtkit-daemon1795-21rtkit-daemon23:52:520
179699460,3rtkit-daemon1795-21rtkit-daemon20:46:081
179699460,3rtkit-daemon1795-21rtkit-daemon20:33:281
4061453994513,9cyclictest26-21ksoftirqd/122:00:011
4061450994526,3cyclictest13-21ksoftirqd/022:13:110
506472440,1sleep050646-21apt00:05:130
4061453994112,8cyclictest26-21ksoftirqd/120:55:001
406145099390,8cyclictest13-21ksoftirqd/000:40:010
179699390,3rtkit-daemon0-21swapper/100:15:421
179699390,3rtkit-daemon0-21swapper/022:22:100
123262390,3sleep10-21swapper/123:15:031
179699380,4rtkit-daemon1795-21rtkit-daemon23:40:350
179699370,3rtkit-daemon0-21swapper/022:43:390
406145099361,7cyclictest4186953-21apt-get22:50:150
179699360,4rtkit-daemon1795-21rtkit-daemon00:01:421
179699360,3rtkit-daemon1795-21rtkit-daemon00:31:011
179699360,3rtkit-daemon0-21swapper/100:23:521
406145099355,3cyclictest141rcu_preempt00:00:000
406145099351,9cyclictest57899-21apt-get00:15:150
179699350,4rtkit-daemon1795-21rtkit-daemon23:48:280
179699340,5rtkit-daemon4105818-21appstreamcli21:00:030
179699340,4rtkit-daemon1795-21rtkit-daemon23:56:461
179699340,4rtkit-daemon1795-21rtkit-daemon19:46:210
179699340,4rtkit-daemon1795-21rtkit-daemon19:46:200
179699340,3rtkit-daemon0-21swapper/100:01:540
179699340,3rtkit-daemon0-21swapper/022:51:491
179699340,3rtkit-daemon0-21swapper/022:30:131
4061453993320,7cyclictest4106063-40apt-check21:00:171
179699330,4rtkit-daemon1795-21rtkit-daemon23:32:510
179699330,4rtkit-daemon1795-21rtkit-daemon20:02:120
179699330,3rtkit-daemon1795-21rtkit-daemon22:07:431
179699330,3rtkit-daemon0-21swapper/120:05:490
179699330,3rtkit-daemon0-21swapper/020:57:431
406145399320,8cyclictest4065782-21kworker/1:219:45:001
406145099323,4cyclictest13-21ksoftirqd/022:05:240
406145099322,8cyclictest13-21ksoftirqd/000:25:190
406145099320,7cyclictest61817-21apt-get00:20:140
406145099320,7cyclictest4114086-21apt-get21:15:120
179699320,4rtkit-daemon1795-21rtkit-daemon23:05:510
179699320,4rtkit-daemon1795-21rtkit-daemon23:03:000
179699320,3rtkit-daemon0-21swapper/122:35:450
179699320,3rtkit-daemon0-21swapper/023:47:591
179699320,3rtkit-daemon0-21swapper/023:04:411
179699320,3rtkit-daemon0-21swapper/019:45:061
179699320,3rtkit-daemon0-21swapper/019:45:051
179699320,3rtkit-daemon0-21swapper/019:27:191
406145399310,8cyclictest4136109-21kworker/1:021:45:011
406145099317,7cyclictest13-21ksoftirqd/000:13:370
406145099314,7cyclictest13-21ksoftirqd/023:10:250
406145099310,8cyclictest13-21ksoftirqd/023:35:190
179699310,4rtkit-daemon0-21swapper/121:10:430
179699310,3rtkit-daemon1795-21rtkit-daemon22:32:160
179699310,3rtkit-daemon0-21swapper/120:47:180
179699310,3rtkit-daemon0-21swapper/119:16:120
179699310,3rtkit-daemon0-21swapper/022:39:471
179699310,3rtkit-daemon0-21swapper/021:35:391
97282300,4sleep19701-21unixbench_singl23:10:251
4061453993026,2cyclictest66950irq/132-enp2s021:50:581
406145099304,7cyclictest13-21ksoftirqd/021:25:260
406145099301,4cyclictest4125335-21kworker/0:221:55:250
406145099300,7cyclictest4109801-21diskmemload22:47:390
179699300,4rtkit-daemon1795-21rtkit-daemon21:42:540
179699300,4rtkit-daemon0-21swapper/120:50:340
179699300,3rtkit-daemon0-21swapper/022:17:381
179699300,3rtkit-daemon0-21swapper/019:56:031
179699300,15rtkit-daemon41586312chrt22:12:141
4061453992917,9cyclictest4179584-21diskstats22:40:171
4061453992916,3cyclictest26-21ksoftirqd/120:10:011
406145399290,9cyclictest39469-21/usr/sbin/munin23:50:151
406145099295,8cyclictest13-21ksoftirqd/021:24:270
406145099293,7cyclictest13-21ksoftirqd/022:15:250
406145099293,7cyclictest13-21ksoftirqd/000:30:290
406145099291,7cyclictest4137120-21apt-get21:45:160
4061450992910,3cyclictest13-21ksoftirqd/021:50:130
406145099290,7cyclictest4068023-21apt-get19:25:140
179699290,3rtkit-daemon0-21swapper/023:05:301
179699290,3rtkit-daemon0-21swapper/022:27:561
179699290,3rtkit-daemon0-21swapper/021:28:391
179699290,1rtkit-daemon1795-21rtkit-daemon19:40:180
406145399281,24cyclictest4086237-21diskstats20:10:161
406145099285,8cyclictest13-21ksoftirqd/020:10:240
406145099280,8cyclictest4109801-21diskmemload22:00:150
406145099280,8cyclictest13-21ksoftirqd/019:20:240
406145099280,7cyclictest4069976-21apt-get19:30:130
179699280,3rtkit-daemon0-21swapper/121:07:370
179699280,3rtkit-daemon0-21swapper/120:32:180
179699280,3rtkit-daemon0-21swapper/119:10:020
4061453992724,2cyclictest66950irq/132-enp2s023:42:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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