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2026-05-02 - 08:39
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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 Sat May 02, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146478724050,8sleep01464781-21perf19:10:000
146483923960,9sleep1251rcuc/119:10:011
15907322660,22sleep013-21ksoftirqd/022:50:010
179699580,4rtkit-daemon1795-21rtkit-daemon21:25:160
179699570,5rtkit-daemon1795-21rtkit-daemon21:41:370
179699560,4rtkit-daemon1795-21rtkit-daemon00:39:400
15258982540,4sleep11525899-21proc_pri21:25:211
16296952530,4sleep10-21swapper/123:40:171
15611482530,3sleep00-21swapper/022:10:550
179699520,4rtkit-daemon1795-21rtkit-daemon20:33:270
179699520,3rtkit-daemon1795-21rtkit-daemon22:16:480
179699520,3rtkit-daemon1795-21rtkit-daemon19:30:430
179699520,3rtkit-daemon0-21swapper/019:52:500
14978512510,4sleep10-21swapper/120:30:141
179699500,4rtkit-daemon1795-21rtkit-daemon21:16:140
179699500,4rtkit-daemon1795-21rtkit-daemon21:12:290
179699500,4rtkit-daemon1795-21rtkit-daemon00:18:581
179699500,3rtkit-daemon1795-21rtkit-daemon22:36:271
179699500,3rtkit-daemon1795-21rtkit-daemon19:38:170
179699480,3rtkit-daemon0-21swapper/021:05:210
179699470,4rtkit-daemon1795-21rtkit-daemon19:47:230
179699470,3rtkit-daemon1795-21rtkit-daemon21:48:191
179699450,3rtkit-daemon1795-21rtkit-daemon21:40:161
179699450,3rtkit-daemon1795-21rtkit-daemon20:21:040
179699430,3rtkit-daemon0-21swapper/021:01:150
179699430,1rtkit-daemon1795-21rtkit-daemon20:42:301
179699420,4rtkit-daemon1795-21rtkit-daemon21:23:160
179699420,3rtkit-daemon0-21swapper/123:31:160
179699420,1rtkit-daemon1795-21rtkit-daemon20:49:411
179699420,1rtkit-daemon1795-21rtkit-daemon19:29:521
179699410,4rtkit-daemon1795-21rtkit-daemon21:54:060
179699410,4rtkit-daemon1795-21rtkit-daemon20:53:030
179699410,3rtkit-daemon0-21swapper/122:36:410
179699410,1rtkit-daemon1795-21rtkit-daemon22:05:291
179699410,1rtkit-daemon1795-21rtkit-daemon19:55:381
179699410,1rtkit-daemon1795-21rtkit-daemon19:42:541
179699410,1rtkit-daemon1795-21rtkit-daemon19:33:421
179699410,1rtkit-daemon1795-21rtkit-daemon19:21:371
16676902410,4sleep10-21swapper/100:30:241
179699400,4rtkit-daemon1795-21rtkit-daemon20:58:290
179699400,4rtkit-daemon1795-21rtkit-daemon00:01:290
179699400,3rtkit-daemon1795-21rtkit-daemon22:06:000
179699400,3rtkit-daemon0-21swapper/100:30:200
179699400,1rtkit-daemon1795-21rtkit-daemon23:58:271
179699400,1rtkit-daemon1795-21rtkit-daemon21:09:051
15672322400,2sleep11567217-21apt-get22:20:141
179699390,3rtkit-daemon1795-21rtkit-daemon20:48:490
179699390,3rtkit-daemon1795-21rtkit-daemon19:20:480
179699390,1rtkit-daemon1795-21rtkit-daemon20:03:281
179699390,1rtkit-daemon1795-21rtkit-daemon20:03:271
179699380,4rtkit-daemon1795-21rtkit-daemon19:16:260
179699380,3rtkit-daemon1795-21rtkit-daemon20:29:480
179699380,3rtkit-daemon0-21swapper/123:45:090
179699380,3rtkit-daemon0-21swapper/122:59:070
179699370,5rtkit-daemon1795-21rtkit-daemon00:27:221
179699370,4rtkit-daemon1795-21rtkit-daemon20:12:090
179699370,3rtkit-daemon0-21swapper/123:08:350
179699370,3rtkit-daemon0-21swapper/122:43:570
179699360,5rtkit-daemon1571097-21apt-get22:25:130
179699360,3rtkit-daemon1795-21rtkit-daemon19:41:070
179699360,3rtkit-daemon0-21swapper/123:00:341
179699360,3rtkit-daemon0-21swapper/100:26:380
179699360,11rtkit-daemon0-21swapper/021:21:371
179699360,11rtkit-daemon0-21swapper/021:13:231
179699360,11rtkit-daemon0-21swapper/019:19:481
179699360,10rtkit-daemon0-21swapper/021:03:551
179699350,3rtkit-daemon1795-21rtkit-daemon20:05:430
179699350,3rtkit-daemon0-21swapper/122:48:231
179699350,3rtkit-daemon0-21swapper/100:23:051
179699340,3rtkit-daemon1795-21rtkit-daemon23:45:021
179699330,3rtkit-daemon1795-21rtkit-daemon22:30:491
179699320,4rtkit-daemon1795-21rtkit-daemon23:52:240
179699320,3rtkit-daemon1795-21rtkit-daemon23:11:061
1464899993229,2cyclictest1466512-21kworker/1:219:50:011
1464894993128,2cyclictest66950irq/132-enp2s023:40:390
146489499312,15cyclictest1513127-21diskmemload21:33:300
179699300,4rtkit-daemon1795-21rtkit-daemon00:12:481
179699300,3rtkit-daemon1795-21rtkit-daemon23:36:051
146489499301,15cyclictest1513127-21diskmemload23:15:590
146489499291,14cyclictest1513127-21diskmemload21:38:560
1464899992819,7cyclictest1585029-21ssh22:41:361
146489999281,7cyclictest1481159-21https19:50:021
146489499281,14cyclictest1513127-21diskmemload22:23:390
146489999270,6cyclictest0-21swapper/123:29:021
146489999270,6cyclictest0-21swapper/121:38:401
146489499272,5cyclictest1513127-21diskmemload21:45:110
146489499271,8cyclictest1513127-21diskmemload21:55:190
146489499271,7cyclictest1513127-21diskmemload00:05:250
146489499271,13cyclictest1513127-21diskmemload22:02:420
146489999262,17cyclictest1670382-21apt-get00:35:121
146489499265,9cyclictest13-21ksoftirqd/023:36:330
146489499261,7cyclictest1513127-21diskmemload23:00:070
146489999259,10cyclictest1571097-21apt-get22:25:131
146489999256,14cyclictest1475351-21apt-get19:35:101
146489999250,8cyclictest1501403-21awk20:39:591
146489499252,5cyclictest1513127-21diskmemload23:28:190
1464894992513,6cyclictest66950irq/132-enp2s023:20:130
146489499250,6cyclictest1644107-21python300:00:010
179699240,3rtkit-daemon0-21swapper/119:10:031
1464899992415,5cyclictest1489853-21apt-get20:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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