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2026-09-06 - 13:45
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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 792 highest latencies:
System rackcslot4.osadl.org (updated Sun Sep 06, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15924062261185,60sleep00-21swapper/019:07:100
15908952260195,50sleep10-21swapper/119:05:031
1592955999590,4cyclictest1717463-21kworker/u8:123:16:091
136599570,7rtkit-daemon1364-21rtkit-daemon23:20:140
136599560,3rtkit-daemon0-21swapper/021:27:500
136599540,6rtkit-daemon2812-21urbackupserver:00:07:160
136599540,3rtkit-daemon0-21swapper/023:58:540
136599540,3rtkit-daemon0-21swapper/022:49:340
136599530,3rtkit-daemon0-21swapper/000:23:280
136599530,1rtkit-daemon1364-21rtkit-daemon20:15:140
136599520,4rtkit-daemon1364-21rtkit-daemon23:13:350
136599520,3rtkit-daemon0-21swapper/022:50:100
136599520,3rtkit-daemon0-21swapper/022:29:550
136599520,3rtkit-daemon0-21swapper/021:41:010
136599520,3rtkit-daemon0-21swapper/021:03:270
136599510,4rtkit-daemon1364-21rtkit-daemon21:05:460
136599510,3rtkit-daemon1364-21rtkit-daemon19:27:570
136599510,3rtkit-daemon0-21swapper/023:19:210
136599510,3rtkit-daemon0-21swapper/021:56:010
136599500,4rtkit-daemon1778615-21find00:25:240
136599500,3rtkit-daemon0-21swapper/023:38:210
136599500,3rtkit-daemon0-21swapper/022:57:300
136599500,3rtkit-daemon0-21swapper/021:50:050
136599500,3rtkit-daemon0-21swapper/021:15:030
136599500,3rtkit-daemon0-21swapper/021:14:560
136599490,4rtkit-daemon1364-21rtkit-daemon20:22:290
136599490,3rtkit-daemon0-21swapper/023:40:390
136599490,3rtkit-daemon0-21swapper/023:31:020
136599490,3rtkit-daemon0-21swapper/000:33:030
16911722480,1chrt1691170-21sendmail-msp22:20:000
136599480,3rtkit-daemon0-21swapper/023:50:330
136599480,3rtkit-daemon0-21swapper/023:50:330
136599480,3rtkit-daemon0-21swapper/020:46:510
136599480,23rtkit-daemon1592937-21cyclictest00:15:130
136599470,4rtkit-daemon1364-21rtkit-daemon23:05:130
136599470,4rtkit-daemon1364-21rtkit-daemon19:49:020
136599470,4rtkit-daemon1364-21rtkit-daemon19:13:190
136599470,3rtkit-daemon0-21swapper/020:37:540
1592955994619,4cyclictest26-21ksoftirqd/123:05:011
136599460,4rtkit-daemon1364-21rtkit-daemon23:00:170
136599460,4rtkit-daemon1364-21rtkit-daemon20:30:100
136599460,4rtkit-daemon1364-21rtkit-daemon20:08:410
136599460,3rtkit-daemon0-21swapper/021:48:240
136599460,3rtkit-daemon0-21swapper/000:03:570
17433142450,4sleep126-21ksoftirqd/123:35:081
159295599459,10cyclictest26-21ksoftirqd/121:40:001
1592955994512,10cyclictest26-21ksoftirqd/122:35:011
159295599449,10cyclictest26-21ksoftirqd/100:10:001
1592955994416,5cyclictest26-21ksoftirqd/121:50:011
1592955994415,9cyclictest26-21ksoftirqd/121:20:011
136599440,20rtkit-daemon1592937-21cyclictest20:51:080
136599440,1rtkit-daemon1364-21rtkit-daemon19:39:410
159295599438,9cyclictest26-21ksoftirqd/121:45:011
1592955994313,10cyclictest26-21ksoftirqd/121:15:001
1592955994312,10cyclictest26-21ksoftirqd/119:35:001
136599430,3rtkit-daemon0-21swapper/022:09:280
159295599429,4cyclictest26-21ksoftirqd/123:50:001
159295599429,10cyclictest26-21ksoftirqd/122:35:241
159295599429,10cyclictest26-21ksoftirqd/122:30:011
1592955994219,4cyclictest26-21ksoftirqd/122:45:011
1592955994212,10cyclictest26-21ksoftirqd/120:55:001
1592955994211,11cyclictest26-21ksoftirqd/119:50:011
1592955994210,10cyclictest26-21ksoftirqd/123:25:011
136599420,5rtkit-daemon1786376-21ssh00:36:511
1592955994117,4cyclictest26-21ksoftirqd/100:15:231
1592955994115,10cyclictest26-21ksoftirqd/120:35:011
159295099410,9cyclictest13-21ksoftirqd/022:35:010
159295099410,8cyclictest13-21ksoftirqd/020:45:010
136599410,4rtkit-daemon1364-21rtkit-daemon21:23:571
136599410,15rtkit-daemon1364-21rtkit-daemon22:43:500
159295599409,9cyclictest26-21ksoftirqd/119:20:011
159295599409,10cyclictest26-21ksoftirqd/119:30:011
1592955994023,4cyclictest26-21ksoftirqd/120:20:021
1592955994017,4cyclictest26-21ksoftirqd/121:25:221
1592955994012,10cyclictest26-21ksoftirqd/120:45:011
1592955994010,9cyclictest26-21ksoftirqd/122:20:001
159295099400,9cyclictest1613448-21chrt20:00:000
159295099400,9cyclictest13-21ksoftirqd/021:35:000
159295099400,7cyclictest13-21ksoftirqd/020:30:000
159295099400,10cyclictest13-21ksoftirqd/019:25:000
136599400,1rtkit-daemon1364-21rtkit-daemon19:17:160
159295599399,10cyclictest26-21ksoftirqd/123:45:001
159295599398,9cyclictest26-21ksoftirqd/123:30:011
159295599397,9cyclictest26-21ksoftirqd/122:00:241
1592955993925,3cyclictest26-21ksoftirqd/121:10:011
1592955993924,5cyclictest26-21ksoftirqd/120:25:001
1592955993923,4cyclictest26-21ksoftirqd/120:10:001
1592955993923,4cyclictest26-21ksoftirqd/100:00:021
1592955993922,5cyclictest26-21ksoftirqd/119:40:011
1592955993916,4cyclictest26-21ksoftirqd/123:50:011
1592955993916,4cyclictest26-21ksoftirqd/123:50:001
159295099390,8cyclictest13-21ksoftirqd/022:40:000
159295099390,8cyclictest13-21ksoftirqd/019:45:000
159295099390,7cyclictest13-21ksoftirqd/020:15:000
159295099390,7cyclictest13-21ksoftirqd/020:05:010
159295099390,7cyclictest13-21ksoftirqd/019:35:010
136599390,3rtkit-daemon0-21swapper/022:57:381
136599390,3rtkit-daemon0-21swapper/022:11:521
159295599389,2cyclictest141rcu_preempt00:05:011
159295599388,10cyclictest26-21ksoftirqd/122:00:011
159295599387,10cyclictest26-21ksoftirqd/123:30:221
159295599381,8cyclictest26-21ksoftirqd/100:15:011
159295099381,9cyclictest13-21ksoftirqd/023:30:000
159295099380,9cyclictest13-21ksoftirqd/021:20:270
136599380,3rtkit-daemon0-21swapper/022:45:561
159295599377,2cyclictest1593049-21apt-key19:10:031
159295599377,10cyclictest26-21ksoftirqd/123:15:001
159295599376,10cyclictest26-21ksoftirqd/122:55:011
1592955993722,4cyclictest26-21ksoftirqd/120:00:011
1592955993720,4cyclictest26-21ksoftirqd/119:45:011
1592955993716,10cyclictest26-21ksoftirqd/120:50:021
1592955993711,7cyclictest26-21ksoftirqd/120:40:001
1592955993710,16cyclictest141rcu_preempt19:54:591
159295599370,9cyclictest1659582-21ssh21:35:001
159295099372,7cyclictest13-21ksoftirqd/000:15:000
159295099371,8cyclictest13-21ksoftirqd/020:55:220
159295099370,9cyclictest13-21ksoftirqd/021:40:000
159295099370,8cyclictest13-21ksoftirqd/022:25:000
159295599367,10cyclictest26-21ksoftirqd/120:05:011
159295599366,10cyclictest26-21ksoftirqd/100:35:011
1592955993617,3cyclictest26-21ksoftirqd/121:05:011
1592955993615,3cyclictest26-21ksoftirqd/122:20:121
159295099361,9cyclictest13-21ksoftirqd/022:10:220
159295099361,8cyclictest13-21ksoftirqd/019:55:010
159295099360,9cyclictest13-21ksoftirqd/023:45:160
136599360,3rtkit-daemon0-21swapper/022:01:180
159295599356,10cyclictest26-21ksoftirqd/100:25:121
1592955993523,3cyclictest26-21ksoftirqd/121:50:011
1592955993519,5cyclictest26-21ksoftirqd/120:10:241
1592955993511,10cyclictest26-21ksoftirqd/119:25:001
159295099350,9cyclictest13-21ksoftirqd/000:35:200
159295599345,9cyclictest26-21ksoftirqd/123:10:001
1592955993420,4cyclictest26-21ksoftirqd/120:30:001
1592955993414,4cyclictest26-21ksoftirqd/100:20:241
159295599336,10cyclictest26-21ksoftirqd/122:05:201
1592955993316,4cyclictest26-21ksoftirqd/120:55:221
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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