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2025-11-27 - 11:46
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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 Thu Nov 27, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
339502257184,57sleep00-21swapper/019:07:590
335572257183,20sleep10-21swapper/119:05:301
125899570,5rtkit-daemon1257-21rtkit-daemon21:35:090
125899540,5rtkit-daemon1257-21rtkit-daemon23:30:121
125899540,4rtkit-daemon1257-21rtkit-daemon19:15:120
2095972530,4sleep10-21swapper/100:07:451
125899530,4rtkit-daemon1257-21rtkit-daemon23:00:260
125899530,3rtkit-daemon1257-21rtkit-daemon00:18:041
2216182510,1chrt221617-21/usr/sbin/munin00:25:270
125899500,3rtkit-daemon1257-21rtkit-daemon21:12:501
3424899491,3cyclictest53812-21runrttasks19:55:051
446452480,3sleep00-21swapper/019:30:190
125899480,3rtkit-daemon1257-21rtkit-daemon22:12:191
125899460,4rtkit-daemon1257-21rtkit-daemon22:04:591
125899450,3rtkit-daemon1257-21rtkit-daemon22:39:270
125899440,3rtkit-daemon1257-21rtkit-daemon23:56:180
125899390,3rtkit-daemon0-21swapper/122:48:431
125899390,3rtkit-daemon0-21swapper/122:16:141
125899380,5rtkit-daemon51201-21pool-fwupdmgr19:45:270
125899380,3rtkit-daemon0-21swapper/123:40:071
125899380,3rtkit-daemon0-21swapper/123:11:181
125899380,3rtkit-daemon0-21swapper/122:56:111
125899380,3rtkit-daemon0-21swapper/122:53:381
125899380,3rtkit-daemon0-21swapper/122:06:101
125899380,3rtkit-daemon0-21swapper/100:25:291
125899380,3rtkit-daemon0-21swapper/023:44:570
3424899373,10cyclictest34400-21apt-get19:10:131
125899370,6rtkit-daemon120662-21ssh22:04:530
125899370,5rtkit-daemon187168-21taskset23:35:251
125899370,4rtkit-daemon113193-21ssh21:53:391
125899370,3rtkit-daemon0-21swapper/100:24:401
125899370,3rtkit-daemon0-21swapper/021:48:390
125899370,3rtkit-daemon0-21swapper/021:34:070
125899370,3rtkit-daemon0-21swapper/000:32:550
125899360,7rtkit-daemon77350-21needreboot21:00:191
125899360,3rtkit-daemon0-21swapper/123:28:501
125899360,3rtkit-daemon0-21swapper/123:08:571
125899360,3rtkit-daemon0-21swapper/122:45:350
125899360,3rtkit-daemon0-21swapper/121:55:381
125899360,3rtkit-daemon0-21swapper/121:26:071
125899360,3rtkit-daemon0-21swapper/020:37:180
125899360,3rtkit-daemon0-21swapper/020:15:400
125899360,3rtkit-daemon0-21swapper/019:57:190
125899350,4rtkit-daemon1257-21rtkit-daemon20:24:491
125899350,4rtkit-daemon1257-21rtkit-daemon19:39:221
125899350,4rtkit-daemon1257-21rtkit-daemon00:37:470
125899350,3rtkit-daemon0-21swapper/123:22:301
125899350,3rtkit-daemon0-21swapper/121:23:221
125899350,3rtkit-daemon0-21swapper/120:29:181
125899350,3rtkit-daemon0-21swapper/100:14:540
34244993428,4cyclictest204190-21cat00:00:210
125899340,7rtkit-daemon155622-21ssh22:51:310
125899340,4rtkit-daemon1257-21rtkit-daemon23:46:190
125899340,4rtkit-daemon1257-21rtkit-daemon22:28:010
125899340,4rtkit-daemon1257-21rtkit-daemon20:02:180
125899340,3rtkit-daemon0-21swapper/123:00:041
125899340,3rtkit-daemon0-21swapper/122:09:380
125899340,3rtkit-daemon0-21swapper/119:37:310
34248993330,2cyclictest17350irq/39-mmc000:00:011
125899330,3rtkit-daemon0-21swapper/119:50:260
125899330,3rtkit-daemon0-21swapper/020:49:591
125899330,3rtkit-daemon0-21swapper/000:30:311
34248993225,5cyclictest76125-21taskset20:56:281
125899320,4rtkit-daemon1257-21rtkit-daemon20:18:571
125899320,4rtkit-daemon1257-21rtkit-daemon19:46:381
125899320,3rtkit-daemon1257-21rtkit-daemon19:13:060
125899320,3rtkit-daemon0-21swapper/123:25:110
125899320,3rtkit-daemon0-21swapper/121:27:160
125899320,3rtkit-daemon0-21swapper/023:50:521
125899320,3rtkit-daemon0-21swapper/022:27:261
125899310,4rtkit-daemon1257-21rtkit-daemon22:33:410
125899310,4rtkit-daemon1257-21rtkit-daemon19:21:140
125899310,4rtkit-daemon1257-21rtkit-daemon00:20:290
125899310,4rtkit-daemon0-21swapper/123:31:280
125899310,3rtkit-daemon1257-21rtkit-daemon20:58:340
125899310,3rtkit-daemon0-21swapper/123:38:010
125899310,3rtkit-daemon0-21swapper/123:13:400
125899310,3rtkit-daemon0-21swapper/022:37:411
125899310,3rtkit-daemon0-21swapper/021:38:081
125899300,4rtkit-daemon1257-21rtkit-daemon22:34:531
125899300,3rtkit-daemon0-21swapper/121:13:100
125899300,3rtkit-daemon0-21swapper/100:15:570
125899300,3rtkit-daemon0-21swapper/023:46:321
125899300,3rtkit-daemon0-21swapper/020:50:221
125899300,3rtkit-daemon0-21swapper/020:00:411
3424499290,10cyclictest1995042ssh23:54:410
125899290,3rtkit-daemon0-21swapper/119:40:290
125899290,3rtkit-daemon0-21swapper/023:55:501
125899290,3rtkit-daemon0-21swapper/022:24:411
125899290,3rtkit-daemon0-21swapper/021:34:411
34248992825,2cyclictest63750irq/132-enp2s000:35:541
125899280,3rtkit-daemon0-21swapper/122:44:400
125899280,3rtkit-daemon0-21swapper/020:33:561
125899280,3rtkit-daemon0-21swapper/020:12:451
125899280,3rtkit-daemon0-21swapper/019:15:181
125899270,3rtkit-daemon0-21swapper/120:28:220
125899270,3rtkit-daemon0-21swapper/020:43:431
125899270,3rtkit-daemon0-21swapper/019:20:391
125899270,14rtkit-daemon457272sleep119:34:441
34248992616,8cyclictest103851-21awk21:40:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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