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2026-07-01 - 20:13
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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 Jul 01, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31858712277215,47sleep10-21swapper/107:05:371
31859072257187,55sleep00-21swapper/007:06:000
31982322600,4sleep10-21swapper/107:35:231
32851902530,2sleep00-21swapper/010:15:490
179699530,4rtkit-daemon1795-21rtkit-daemon12:16:171
179699520,4rtkit-daemon1795-21rtkit-daemon11:14:081
179699510,4rtkit-daemon1795-21rtkit-daemon09:37:011
179699500,4rtkit-daemon1795-21rtkit-daemon09:22:491
179699490,3rtkit-daemon1795-21rtkit-daemon08:04:291
179699460,4rtkit-daemon1795-21rtkit-daemon11:21:110
179699450,4rtkit-daemon1795-21rtkit-daemon07:52:161
32938312400,3chrt0-21swapper/010:28:540
179699390,3rtkit-daemon0-21swapper/110:34:391
179699380,3rtkit-daemon0-21swapper/109:14:301
179699370,5rtkit-daemon893-21snmpd12:06:521
179699360,4rtkit-daemon1795-21rtkit-daemon08:37:420
179699360,3rtkit-daemon0-21swapper/110:00:491
179699360,3rtkit-daemon0-21swapper/010:59:010
179699360,3rtkit-daemon0-21swapper/009:51:211
179699360,3rtkit-daemon0-21swapper/008:43:070
179699350,4rtkit-daemon1795-21rtkit-daemon08:30:340
179699350,3rtkit-daemon0-21swapper/108:04:490
179699350,3rtkit-daemon0-21swapper/107:49:521
3186402993419,5cyclictest3271465-21ssh09:57:550
179699340,4rtkit-daemon1795-21rtkit-daemon12:05:330
179699340,4rtkit-daemon1795-21rtkit-daemon10:49:181
179699340,3rtkit-daemon1795-21rtkit-daemon12:22:281
179699340,3rtkit-daemon0-21swapper/112:31:190
179699340,3rtkit-daemon0-21swapper/011:20:421
318640299330,8cyclictest3331348-21munin-run11:20:000
179699330,4rtkit-daemon1795-21rtkit-daemon11:43:060
179699330,4rtkit-daemon1795-21rtkit-daemon11:25:030
179699330,4rtkit-daemon1795-21rtkit-daemon10:16:531
179699330,4rtkit-daemon1795-21rtkit-daemon09:03:140
179699330,3rtkit-daemon1795-21rtkit-daemon11:39:380
179699330,3rtkit-daemon0-21swapper/109:16:490
179699330,3rtkit-daemon0-21swapper/108:13:050
179699330,2rtkit-daemon1795-21rtkit-daemon11:45:340
3186406993229,2cyclictest66950irq/132-enp2s009:16:411
179699320,4rtkit-daemon1795-21rtkit-daemon11:57:040
179699320,4rtkit-daemon1795-21rtkit-daemon11:05:380
179699320,4rtkit-daemon0-21swapper/109:39:210
179699320,3rtkit-daemon1795-21rtkit-daemon07:26:341
179699310,4rtkit-daemon1795-21rtkit-daemon08:48:350
179699310,4rtkit-daemon1795-21rtkit-daemon08:34:341
179699310,3rtkit-daemon0-21swapper/108:09:290
179699310,3rtkit-daemon0-21swapper/107:31:140
179699310,3rtkit-daemon0-21swapper/011:05:161
179699310,3rtkit-daemon0-21swapper/007:10:111
3186406993026,3cyclictest66950irq/132-enp2s009:31:191
3186402993013,5cyclictest3242235-1kworker/u9:209:24:130
318640299300,11cyclictest32802452cstates10:10:140
179699300,4rtkit-daemon1795-21rtkit-daemon08:18:040
179699300,3rtkit-daemon1795-21rtkit-daemon11:04:480
179699300,3rtkit-daemon0-21swapper/110:47:570
179699300,3rtkit-daemon0-21swapper/109:31:330
179699300,3rtkit-daemon0-21swapper/109:09:080
179699300,3rtkit-daemon0-21swapper/107:23:330
3186402992911,5cyclictest13-21ksoftirqd/012:30:010
3186402992910,4cyclictest13-21ksoftirqd/012:10:050
179699290,4rtkit-daemon1795-21rtkit-daemon10:20:131
179699290,3rtkit-daemon1795-21rtkit-daemon08:51:330
179699290,3rtkit-daemon1795-21rtkit-daemon08:27:060
179699290,3rtkit-daemon1795-21rtkit-daemon08:26:431
179699290,3rtkit-daemon1795-21rtkit-daemon07:22:531
179699290,3rtkit-daemon0-21swapper/107:17:490
179699290,3rtkit-daemon0-21swapper/008:53:481
318640699286,20cyclictest3217251-21date08:25:011
3186406992825,2cyclictest66950irq/132-enp2s010:57:201
3186406992817,10cyclictest26-21ksoftirqd/109:50:011
318640299286,5cyclictest13-21ksoftirqd/009:10:050
3186402992824,2cyclictest32030442sleep007:49:590
3186402992811,4cyclictest13-21ksoftirqd/011:31:290
3186402992810,2cyclictest141rcu_preempt12:36:390
179699280,3rtkit-daemon0-21swapper/009:01:331
3186406992724,2cyclictest66950irq/132-enp2s012:13:151
3186406992724,2cyclictest66950irq/132-enp2s011:27:061
318640299278,7cyclictest3310033-21apt-get10:50:130
318640299278,4cyclictest13-21ksoftirqd/009:47:340
318640299276,4cyclictest13-21ksoftirqd/009:42:010
318640299276,10cyclictest0-21swapper/012:21:020
318640299275,4cyclictest13-21ksoftirqd/012:03:270
179699270,4rtkit-daemon1795-21rtkit-daemon08:56:251
179699270,3rtkit-daemon0-21swapper/111:12:260
179699270,3rtkit-daemon0-21swapper/011:47:461
3186406992616,8cyclictest3310906-21ssh10:50:231
3186406992611,10cyclictest3257992-21apt-get09:40:151
318640699260,6cyclictest0-21swapper/110:39:211
318640299268,4cyclictest13-21ksoftirqd/010:35:020
318640299266,4cyclictest13-21ksoftirqd/010:34:270
318640299264,5cyclictest13-21ksoftirqd/010:20:490
3186402992611,4cyclictest13-21ksoftirqd/007:14:590
3186402992610,3cyclictest13-21ksoftirqd/009:28:450
3186402992610,2cyclictest141rcu_preempt11:54:010
179699260,3rtkit-daemon1795-21rtkit-daemon07:42:501
179699260,1rtkit-daemon1795-21rtkit-daemon12:28:001
31935952250,5sleep013-21ksoftirqd/007:25:170
318640699259,10cyclictest3246950-21apt-get09:25:151
318640699250,6cyclictest0-21swapper/110:29:361
318640299256,4cyclictest13-21ksoftirqd/010:44:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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