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2025-12-05 - 10:04
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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 Fri Dec 05, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6549292259186,58sleep00-21swapper/019:07:400
6548982251186,50sleep10-21swapper/119:07:211
125899710,4rtkit-daemon1257-21rtkit-daemon20:50:221
125899670,4rtkit-daemon1257-21rtkit-daemon22:13:291
7050282580,8sleep0161rcuc/021:10:560
125899580,4rtkit-daemon1257-21rtkit-daemon22:17:560
7328522570,5sleep0732798-21store21:50:030
125899570,4rtkit-daemon1257-21rtkit-daemon22:11:140
125899570,3rtkit-daemon0-21swapper/022:16:261
6747232550,4sleep00-21swapper/019:55:220
125899530,4rtkit-daemon1257-21rtkit-daemon21:35:110
125899530,4rtkit-daemon1257-21rtkit-daemon21:17:481
125899410,4rtkit-daemon703152-21diskmemload23:06:011
125899380,5rtkit-daemon1257-21rtkit-daemon23:27:441
125899380,5rtkit-daemon1257-21rtkit-daemon23:22:041
125899380,5rtkit-daemon1257-21rtkit-daemon23:22:041
125899380,4rtkit-daemon1257-21rtkit-daemon21:59:201
125899380,4rtkit-daemon0-21swapper/123:59:291
125899380,3rtkit-daemon0-21swapper/121:48:141
125899380,3rtkit-daemon0-21swapper/120:58:081
125899370,4rtkit-daemon1257-21rtkit-daemon22:09:151
125899370,4rtkit-daemon1257-21rtkit-daemon21:21:170
125899370,3rtkit-daemon0-21swapper/122:04:501
125899370,3rtkit-daemon0-21swapper/121:08:231
125899370,3rtkit-daemon0-21swapper/120:37:471
125899370,3rtkit-daemon0-21swapper/100:05:361
125899370,14rtkit-daemon0-21swapper/123:53:191
125899360,4rtkit-daemon1257-21rtkit-daemon23:44:041
125899360,4rtkit-daemon1257-21rtkit-daemon22:20:150
125899360,4rtkit-daemon1257-21rtkit-daemon21:10:511
125899360,4rtkit-daemon0-21swapper/122:25:341
125899360,3rtkit-daemon0-21swapper/122:51:301
125899350,6rtkit-daemon352-21systemd-udevd21:22:191
125899350,4rtkit-daemon830962-21ssh00:05:500
125899350,4rtkit-daemon1257-21rtkit-daemon21:53:531
125899350,4rtkit-daemon1257-21rtkit-daemon20:50:490
125899350,4rtkit-daemon1257-21rtkit-daemon20:15:150
125899350,3rtkit-daemon0-21swapper/120:09:300
125899350,3rtkit-daemon0-21swapper/022:31:580
125899350,3rtkit-daemon0-21swapper/020:49:151
125899350,3rtkit-daemon0-21swapper/019:27:201
125899340,4rtkit-daemon1257-21rtkit-daemon19:43:021
125899340,3rtkit-daemon1257-21rtkit-daemon23:04:551
125899340,3rtkit-daemon0-21swapper/123:31:230
125899340,3rtkit-daemon0-21swapper/023:12:241
125899330,4rtkit-daemon1257-21rtkit-daemon23:21:080
125899330,4rtkit-daemon1257-21rtkit-daemon23:21:080
125899330,4rtkit-daemon1257-21rtkit-daemon23:16:490
125899330,4rtkit-daemon1257-21rtkit-daemon20:27:120
125899330,3rtkit-daemon0-21swapper/122:57:110
125899330,3rtkit-daemon0-21swapper/122:46:300
125899330,3rtkit-daemon0-21swapper/021:35:241
125899330,3rtkit-daemon0-21swapper/020:16:051
655287993212,19cyclictest26-21ksoftirqd/100:30:011
655285993213,12cyclictest662264-21apt-get19:25:140
125899320,4rtkit-daemon1257-21rtkit-daemon21:34:570
125899320,4rtkit-daemon1257-21rtkit-daemon20:08:231
125899320,3rtkit-daemon1257-21rtkit-daemon23:13:200
125899320,3rtkit-daemon0-21swapper/023:32:231
125899320,3rtkit-daemon0-21swapper/021:26:141
125899320,3rtkit-daemon0-21swapper/019:35:241
125899310,4rtkit-daemon0-21swapper/119:23:570
125899310,3rtkit-daemon0-21swapper/123:26:230
125899310,3rtkit-daemon0-21swapper/021:33:451
125899310,3rtkit-daemon0-21swapper/020:21:151
125899310,3rtkit-daemon0-21swapper/019:21:551
655287993027,2cyclictest63750irq/132-enp2s022:49:321
125899300,3rtkit-daemon0-21swapper/123:46:350
125899300,3rtkit-daemon0-21swapper/122:09:230
125899300,3rtkit-daemon0-21swapper/119:42:560
125899300,3rtkit-daemon0-21swapper/020:26:141
125899300,3rtkit-daemon0-21swapper/020:01:441
125899300,3rtkit-daemon0-21swapper/019:57:441
125899290,4rtkit-daemon0-21swapper/100:31:150
125899290,3rtkit-daemon0-21swapper/120:55:350
125899290,3rtkit-daemon0-21swapper/120:34:470
7559722280,4sleep1755175-21/usr/sbin/munin22:20:221
125899280,3rtkit-daemon0-21swapper/123:51:450
125899280,22rtkit-daemon655277-21cyclictest21:09:520
655285992712,9cyclictest755199-21kworker/u8:222:35:150
65528599270,5cyclictest0-21swapper/021:45:470
125899270,23rtkit-daemon773128-21kworker/u8:123:05:220
125899270,22rtkit-daemon655277-21cyclictest00:28:020
125899270,1rtkit-daemon1257-21rtkit-daemon23:47:151
125899270,1rtkit-daemon1257-21rtkit-daemon22:57:311
125899270,1rtkit-daemon1257-21rtkit-daemon22:36:231
125899260,3rtkit-daemon0-21swapper/100:10:420
125899260,21rtkit-daemon655277-21cyclictest19:53:100
125899260,1rtkit-daemon1257-21rtkit-daemon21:03:211
65528799252,15cyclictest835668-21apt-get00:15:161
655287992519,4cyclictest673194-21sort19:50:251
655287992516,5cyclictest832786-21apt-get00:10:161
65528799251,5cyclictest765589-21python322:35:011
65528799250,7cyclictest797358-21sendmail23:20:001
65528799250,22cyclictest670403-21fschecks_time19:45:191
125899250,22rtkit-daemon1263-21sendmail-mta19:48:410
125899250,20rtkit-daemon655277-21cyclictest19:31:321
125899250,20rtkit-daemon655277-21cyclictest19:31:311
125899250,20rtkit-daemon13-21ksoftirqd/023:44:380
125899250,20rtkit-daemon1257-21rtkit-daemon23:02:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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