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2026-06-26 - 23:42
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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 highest latencies:
System rackcslot4.osadl.org (updated Fri Jun 26, 2026 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35692942268226,28sleep10-21swapper/107:06:121
35693562260219,27sleep00-21swapper/007:06:520
37118872550,7sleep00-21swapper/011:22:590
179699540,4rtkit-daemon1795-21rtkit-daemon10:26:190
179699490,3rtkit-daemon1795-21rtkit-daemon12:33:260
179699480,4rtkit-daemon1795-21rtkit-daemon07:27:021
179699460,4rtkit-daemon3629021-21apt-get09:25:131
179699460,3rtkit-daemon1795-21rtkit-daemon10:02:360
179699460,3rtkit-daemon1795-21rtkit-daemon08:08:381
179699460,3rtkit-daemon1795-21rtkit-daemon08:08:381
179699450,3rtkit-daemon1795-21rtkit-daemon11:59:511
179699450,3rtkit-daemon1795-21rtkit-daemon09:10:541
36670472440,5sleep13666901-21latency_hist10:20:011
37191962430,2sleep00-21swapper/011:35:110
179699390,5rtkit-daemon3668020-21sed10:20:170
179699390,3rtkit-daemon0-21swapper/007:16:360
179699380,3rtkit-daemon0-21swapper/109:34:101
179699370,7rtkit-daemon3628882-21latency_hist09:25:001
179699370,5rtkit-daemon3724880-21runrttasks11:42:420
179699370,5rtkit-daemon3724880-21runrttasks11:42:420
179699370,3rtkit-daemon0-21swapper/111:53:221
179699370,3rtkit-daemon0-21swapper/110:09:011
179699370,3rtkit-daemon0-21swapper/010:32:150
179699370,3rtkit-daemon0-21swapper/007:22:460
179699360,4rtkit-daemon1795-21rtkit-daemon12:15:200
179699360,4rtkit-daemon0-21swapper/110:10:510
179699360,3rtkit-daemon0-21swapper/111:27:341
179699360,3rtkit-daemon0-21swapper/111:17:551
179699360,3rtkit-daemon0-21swapper/110:43:221
179699360,3rtkit-daemon0-21swapper/109:43:211
179699360,3rtkit-daemon0-21swapper/109:02:071
179699360,3rtkit-daemon0-21swapper/108:59:021
179699360,3rtkit-daemon0-21swapper/108:47:191
179699350,4rtkit-daemon1795-21rtkit-daemon10:20:021
179699350,4rtkit-daemon1795-21rtkit-daemon08:30:121
179699350,3rtkit-daemon0-21swapper/111:40:481
179699350,3rtkit-daemon0-21swapper/111:40:481
179699350,3rtkit-daemon0-21swapper/111:39:081
179699350,3rtkit-daemon0-21swapper/111:22:481
179699350,3rtkit-daemon0-21swapper/111:06:231
179699350,3rtkit-daemon0-21swapper/110:50:551
179699350,3rtkit-daemon0-21swapper/110:12:511
179699350,3rtkit-daemon0-21swapper/109:15:011
179699350,3rtkit-daemon0-21swapper/109:15:001
179699350,3rtkit-daemon0-21swapper/109:08:061
179699350,3rtkit-daemon0-21swapper/108:41:141
179699350,3rtkit-daemon0-21swapper/108:15:441
179699350,3rtkit-daemon0-21swapper/107:55:221
179699350,3rtkit-daemon0-21swapper/107:49:331
179699350,3rtkit-daemon0-21swapper/107:31:351
179699350,3rtkit-daemon0-21swapper/012:01:421
179699340,4rtkit-daemon3673827-21ssh10:29:261
179699340,3rtkit-daemon1795-21rtkit-daemon11:45:131
179699340,3rtkit-daemon0-21swapper/111:25:540
179699340,3rtkit-daemon0-21swapper/109:35:210
179699340,3rtkit-daemon0-21swapper/108:13:031
179699340,3rtkit-daemon0-21swapper/108:02:431
179699340,3rtkit-daemon0-21swapper/107:41:531
179699340,3rtkit-daemon0-21swapper/012:13:561
179699330,4rtkit-daemon3735687-21ssh11:59:010
179699330,4rtkit-daemon1795-21rtkit-daemon09:36:521
179699320,5rtkit-daemon893-21snmpd07:24:111
179699320,4rtkit-daemon1795-21rtkit-daemon12:25:310
179699320,4rtkit-daemon0-21swapper/108:53:030
179699320,3rtkit-daemon1795-21rtkit-daemon11:32:271
179699320,3rtkit-daemon1795-21rtkit-daemon11:04:191
179699320,3rtkit-daemon0-21swapper/108:38:231
179699320,3rtkit-daemon0-21swapper/107:45:050
179699320,3rtkit-daemon0-21swapper/010:35:281
3569774993114,10cyclictest3700715-1kworker/u9:212:00:130
179699310,4rtkit-daemon3706161-21ssh11:15:170
179699310,4rtkit-daemon1795-21rtkit-daemon11:01:280
179699310,4rtkit-daemon1795-21rtkit-daemon09:48:401
179699310,3rtkit-daemon1795-21rtkit-daemon10:57:041
179699310,3rtkit-daemon1795-21rtkit-daemon10:57:031
179699310,3rtkit-daemon0-21swapper/111:33:360
179699310,3rtkit-daemon0-21swapper/109:27:130
179699310,3rtkit-daemon0-21swapper/108:38:580
179699310,3rtkit-daemon0-21swapper/108:00:110
179699310,3rtkit-daemon0-21swapper/007:35:521
179699300,4rtkit-daemon1795-21rtkit-daemon09:58:551
179699300,3rtkit-daemon1795-21rtkit-daemon11:14:061
179699300,3rtkit-daemon0-21swapper/110:48:221
179699300,3rtkit-daemon0-21swapper/109:04:140
179699300,3rtkit-daemon0-21swapper/012:33:401
36096672290,3sleep10-21swapper/108:50:101
179699290,3rtkit-daemon1795-21rtkit-daemon08:23:101
179699290,3rtkit-daemon0-21swapper/110:46:100
179699290,3rtkit-daemon0-21swapper/109:09:440
179699290,3rtkit-daemon0-21swapper/012:08:121
179699290,3rtkit-daemon0-21swapper/010:02:301
179699290,3rtkit-daemon0-21swapper/007:10:421
356977499284,4cyclictest13-21ksoftirqd/010:40:120
3569774992812,10cyclictest3621813-21apt-get09:15:140
3569774992812,10cyclictest3621813-21apt-get09:15:130
356977499280,6cyclictest0-21swapper/011:10:460
179699280,3rtkit-daemon0-21swapper/111:46:320
179699280,3rtkit-daemon0-21swapper/108:24:070
356978499278,11cyclictest3754004-21apt-get12:25:131
356977499276,4cyclictest13-21ksoftirqd/011:52:340
179699270,3rtkit-daemon0-21swapper/010:33:341
179699270,23rtkit-daemon893-21snmpd07:19:001
179699270,21rtkit-daemon3569770-21cyclictest09:34:250
179699260,3rtkit-daemon0-21swapper/109:22:230
179699260,20rtkit-daemon3569770-21cyclictest12:16:211
356977499254,3cyclictest13-21ksoftirqd/012:20:130
356977499252,15cyclictest3588161-21apt-get07:55:130
356977499251,9cyclictest141rcu_preempt12:10:210
179699250,3rtkit-daemon1795-21rtkit-daemon10:56:370
179699250,3rtkit-daemon1795-21rtkit-daemon10:56:370
179699250,20rtkit-daemon3569770-21cyclictest11:06:590
356978499240,7cyclictest0-21swapper/112:35:481
356977499248,3cyclictest13-21ksoftirqd/009:53:400
356977499245,3cyclictest13-21ksoftirqd/010:18:210
356977499244,8cyclictest13-21ksoftirqd/009:55:220
356977499242,5cyclictest13-21ksoftirqd/010:35:170
356977499242,16cyclictest3612032-21apt-get08:55:130
356978499238,5cyclictest0-21swapper/112:20:101
356977499234,4cyclictest141rcu_preempt07:35:110
356977499232,15cyclictest3605775-21apt-get08:40:130
356977499232,14cyclictest3657112-21apt-get10:05:130
356977499232,14cyclictest3595976-21apt-get08:15:120
356977499231,7cyclictest3687968-21apt-get10:50:110
356977499231,5cyclictest13-21ksoftirqd/009:10:120
179699230,1rtkit-daemon1795-21rtkit-daemon07:10:590
356977499229,8cyclictest3642944-1kworker/u9:209:45:130
356977499223,11cyclictest3592079-21apt-get08:05:130
356977499223,11cyclictest3592079-21apt-get08:05:120
356977499221,4cyclictest13-21ksoftirqd/007:50:240
179699220,17rtkit-daemon1795-21rtkit-daemon08:31:050
356978499212,12cyclictest3646622-21apt-get09:50:141
356978499210,8cyclictest3601679-21unin-run08:30:011
356977499212,2cyclictest141rcu_preempt12:05:220
356977499212,13cyclictest3578325-21apt-get07:30:150
356977499211,5cyclictest141rcu_preempt08:45:130
356977499211,4cyclictest141rcu_preempt09:42:160
3569774992112,7cyclictest3763309-21seq12:39:090
179699210,3rtkit-daemon1795-21rtkit-daemon08:29:490
356978499200,4cyclictest3587956-21munin-run07:55:001
356977499202,4cyclictest141rcu_preempt07:40:120
356977499202,11cyclictest3576370-21apt-get07:25:100
3569774991912,5cyclictest3594980-21systemctl08:10:220
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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