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2026-06-18 - 08:14
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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 50 highest latencies:
System rackcslot4.osadl.org (updated Thu Jun 18, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7592442266185,29sleep10-21swapper/119:08:141
7590662243201,27sleep00-21swapper/019:06:160
179699540,4rtkit-daemon1795-21rtkit-daemon21:50:211
8138152530,4chrt0-21swapper/021:15:270
179699510,3rtkit-daemon1795-21rtkit-daemon19:47:430
179699500,3rtkit-daemon1795-21rtkit-daemon19:40:530
179699500,3rtkit-daemon1795-21rtkit-daemon19:13:361
7982212480,4sleep00-21swapper/020:45:100
179699480,3rtkit-daemon1795-21rtkit-daemon23:58:010
8796522460,7sleep126-21ksoftirqd/122:45:171
179699460,3rtkit-daemon1795-21rtkit-daemon20:25:251
179699440,2rtkit-daemon1795-21rtkit-daemon20:15:331
179699380,3rtkit-daemon0-21swapper/022:15:450
179699380,3rtkit-daemon0-21swapper/022:03:500
179699370,5rtkit-daemon768-21irqbalance20:08:350
179699370,3rtkit-daemon0-21swapper/023:29:550
179699360,3rtkit-daemon0-21swapper/023:24:040
179699360,3rtkit-daemon0-21swapper/023:16:040
179699350,4rtkit-daemon1795-21rtkit-daemon22:29:131
179699350,4rtkit-daemon1795-21rtkit-daemon20:32:531
179699350,3rtkit-daemon0-21swapper/121:44:450
179699350,3rtkit-daemon0-21swapper/121:04:180
179699350,3rtkit-daemon0-21swapper/120:11:190
179699350,3rtkit-daemon0-21swapper/100:26:341
179699350,3rtkit-daemon0-21swapper/023:31:480
179699350,3rtkit-daemon0-21swapper/020:51:140
179699340,5rtkit-daemon937690-21date00:05:001
179699340,4rtkit-daemon1795-21rtkit-daemon23:37:490
179699340,4rtkit-daemon1795-21rtkit-daemon22:37:540
179699340,4rtkit-daemon1795-21rtkit-daemon21:36:150
179699340,4rtkit-daemon0-21swapper/021:35:241
179699340,3rtkit-daemon1795-21rtkit-daemon00:10:300
179699340,3rtkit-daemon0-21swapper/122:27:070
179699340,3rtkit-daemon0-21swapper/022:41:220
179699340,3rtkit-daemon0-21swapper/000:08:490
179699330,4rtkit-daemon1795-21rtkit-daemon22:33:080
179699330,4rtkit-daemon1795-21rtkit-daemon00:37:541
179699330,3rtkit-daemon1795-21rtkit-daemon22:57:101
179699330,3rtkit-daemon0-21swapper/120:25:380
179699330,3rtkit-daemon0-21swapper/100:36:530
179699330,3rtkit-daemon0-21swapper/100:31:401
179699320,4rtkit-daemon933437-21ssh23:58:301
179699320,4rtkit-daemon1795-21rtkit-daemon19:57:381
179699320,3rtkit-daemon1795-21rtkit-daemon00:17:501
179699310,6rtkit-daemon893-21snmpd23:47:581
179699310,4rtkit-daemon1795-21rtkit-daemon22:24:131
179699310,4rtkit-daemon1795-21rtkit-daemon20:21:380
179699310,3rtkit-daemon1795-21rtkit-daemon19:29:580
179699310,3rtkit-daemon0-21swapper/100:33:180
179699310,3rtkit-daemon0-21swapper/021:33:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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