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2025-12-01 - 12:17
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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 Mon Dec 01, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2878202278211,51sleep00-21swapper/019:05:270
2884362258216,27sleep10-21swapper/119:05:401
4240542690,1chrt424056-21swap23:10:260
28895599612,15cyclictest458330-21apt-get00:00:131
125899600,4rtkit-daemon1257-21rtkit-daemon21:28:091
125899580,4rtkit-daemon1257-21rtkit-daemon21:42:081
3365892550,4sleep10-21swapper/121:05:261
2996722520,1chrt299671-21/usr/sbin/munin19:35:171
125899500,4rtkit-daemon1257-21rtkit-daemon21:53:330
125899500,3rtkit-daemon1257-21rtkit-daemon22:40:271
4291732420,1sleep10-21swapper/123:18:591
125899420,4rtkit-daemon1257-21rtkit-daemon20:17:270
125899400,3rtkit-daemon0-21swapper/023:06:130
3891422390,3sleep0388046-21/usr/sbin/munin22:20:230
125899390,3rtkit-daemon0-21swapper/122:48:591
125899390,3rtkit-daemon0-21swapper/022:25:020
125899380,6rtkit-daemon433501-21cstates23:25:151
125899380,3rtkit-daemon0-21swapper/023:52:040
125899380,3rtkit-daemon0-21swapper/019:24:020
125899370,6rtkit-daemon381126-21grep22:10:150
125899370,5rtkit-daemon309918-21cstates20:00:151
125899370,4rtkit-daemon1257-21rtkit-daemon22:35:370
125899370,3rtkit-daemon0-21swapper/121:24:061
125899370,3rtkit-daemon0-21swapper/119:31:390
125899370,3rtkit-daemon0-21swapper/023:54:181
288955993629,5cyclictest303074-21chrt19:44:041
125899360,4rtkit-daemon1257-21rtkit-daemon23:45:570
125899360,3rtkit-daemon0-21swapper/021:59:470
125899360,3rtkit-daemon0-21swapper/021:10:190
125899360,3rtkit-daemon0-21swapper/019:51:150
125899360,3rtkit-daemon0-21swapper/000:31:060
125899350,4rtkit-daemon0-21swapper/100:10:121
125899350,4rtkit-daemon0-21swapper/000:29:571
125899350,3rtkit-daemon0-21swapper/122:04:131
125899350,3rtkit-daemon0-21swapper/100:06:281
125899350,3rtkit-daemon0-21swapper/021:09:500
125899350,3rtkit-daemon0-21swapper/019:55:381
125899340,4rtkit-daemon1257-21rtkit-daemon23:40:490
125899340,4rtkit-daemon1257-21rtkit-daemon23:17:120
125899340,4rtkit-daemon1257-21rtkit-daemon20:27:131
125899340,4rtkit-daemon1257-21rtkit-daemon20:27:131
125899340,4rtkit-daemon1257-21rtkit-daemon19:32:561
125899340,3rtkit-daemon0-21swapper/100:06:360
125899340,3rtkit-daemon0-21swapper/023:39:351
125899340,3rtkit-daemon0-21swapper/021:57:271
125899340,3rtkit-daemon0-21swapper/000:36:021
4731432330,12sleep126-21ksoftirqd/100:24:061
288955993319,8cyclictest305808-40apt-check19:50:161
125899330,5rtkit-daemon431296-21ssh23:20:391
125899330,4rtkit-daemon1257-21rtkit-daemon23:59:220
125899330,4rtkit-daemon1257-21rtkit-daemon20:47:260
125899330,4rtkit-daemon1257-21rtkit-daemon19:48:380
125899330,4rtkit-daemon1257-21rtkit-daemon19:37:360
125899330,3rtkit-daemon0-21swapper/121:18:510
125899330,3rtkit-daemon0-21swapper/022:54:421
125899330,3rtkit-daemon0-21swapper/020:16:161
288951993214,10cyclictest319960-21apt-get20:25:160
288951993214,10cyclictest319960-21apt-get20:25:150
125899320,3rtkit-daemon1257-21rtkit-daemon19:26:570
125899320,3rtkit-daemon0-21swapper/100:04:420
125899320,3rtkit-daemon0-21swapper/022:57:441
125899320,3rtkit-daemon0-21swapper/022:28:071
125899320,3rtkit-daemon0-21swapper/020:41:391
125899310,3rtkit-daemon1257-21rtkit-daemon23:30:580
125899310,3rtkit-daemon0-21swapper/121:44:580
125899310,3rtkit-daemon0-21swapper/023:04:141
28895599309,3cyclictest0-21swapper/121:35:191
125899300,3rtkit-daemon0-21swapper/023:44:291
125899300,3rtkit-daemon0-21swapper/023:11:541
125899300,3rtkit-daemon0-21swapper/022:31:071
125899300,3rtkit-daemon0-21swapper/020:56:071
125899300,3rtkit-daemon0-21swapper/020:47:391
125899300,3rtkit-daemon0-21swapper/019:47:351
125899300,3rtkit-daemon0-21swapper/019:10:191
125899290,3rtkit-daemon1257-21rtkit-daemon22:35:241
125899290,3rtkit-daemon0-21swapper/121:33:560
125899290,3rtkit-daemon0-21swapper/121:27:360
125899290,3rtkit-daemon0-21swapper/120:30:340
288951992812,10cyclictest289105-21apt-get19:10:140
125899280,3rtkit-daemon0-21swapper/021:53:421
125899280,1rtkit-daemon1257-21rtkit-daemon00:27:370
125899270,3rtkit-daemon0-21swapper/121:20:530
125899270,3rtkit-daemon0-21swapper/021:48:461
125899270,1rtkit-daemon1257-21rtkit-daemon00:18:460
288955992623,2cyclictest63750irq/132-enp2s021:17:531
288955992610,11cyclictest419400-21apt-get23:05:161
288951992610,10cyclictest415898-21apt-get23:00:150
125899260,4rtkit-daemon1257-21rtkit-daemon21:37:540
125899260,21rtkit-daemon288943-21cyclictest20:08:501
125899260,21rtkit-daemon1257-21rtkit-daemon22:47:350
125899260,1rtkit-daemon1257-21rtkit-daemon23:21:400
125899260,1rtkit-daemon1257-21rtkit-daemon22:56:590
28895599257,16cyclictest458047-21sendmail00:00:001
288955992515,5cyclictest388053-21acpi22:20:111
28895599250,6cyclictest0-21swapper/120:22:541
288951992512,9cyclictest373975-21apt-get22:00:130
125899250,20rtkit-daemon288943-21cyclictest23:47:391
125899250,1rtkit-daemon1257-21rtkit-daemon22:34:480
125899250,1rtkit-daemon1257-21rtkit-daemon21:32:551
125899250,1rtkit-daemon1257-21rtkit-daemon21:01:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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