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2026-04-17 - 11:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack3slot2.osadl.org (updated Fri Apr 17, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287636622800,3sleep02876369-21latency_hist19:50:060
290749122610,4chrt2907488-21ntpq21:40:410
290144322550,3chrt2901439-21munin-run21:20:060
288685722510,3sleep02886860-21cut20:26:160
293263622440,4chrt2932634-21ld23:10:560
291732522440,2chrt2917323-21ntpq22:16:020
291600822370,3chrt2915463-21/usr/sbin/munin22:11:150
294320522320,3chrt2943203-21systemctl23:50:030
287082022210,4chrt2870822-21grep19:30:070
290345622050,2sleep02903454-21open_files21:26:110
292508721990,3sleep02925090-21basename22:44:590
289319721980,2sleep02893198-21/usr/sbin/munin20:50:120
293102421870,2sleep02931028-21latency23:05:260
288501021860,4chrt2885009-21sshd20:20:230
289526621840,2sleep02895267-21cat20:56:180
292368321770,2sleep02923682-21ls22:40:000
289939821730,4chrt2899399-21/usr/sbin/munin21:11:170
289077721730,4chrt2890774-21ntpq20:40:410
291309421690,4chrt2913093-21ld22:00:480
295466621680,4chrt2954667-21ld00:30:490
286519199167139,19cyclictest2943196-21kworker/u2:000:00:040
294112021660,4chrt2941122-21processes23:41:160
286519199165135,19cyclictest2867028-21kworker/u2:219:20:030
286519199146116,19cyclictest2907002-21kworker/u2:122:06:200
286519199138108,19cyclictest2943196-21kworker/u2:023:55:060
286519199137108,20cyclictest2886096-21kworker/u2:220:35:430
286519199136104,20cyclictest83-21jbd2/mmcblk0p2-20:10:070
290902621300,3sleep02909027-21gcc21:46:120
28651919912798,19cyclictest2926485-21kworker/u2:022:55:370
291204721250,2sleep02912049-21cat21:56:350
28651919912596,20cyclictest2936237-21kworker/u2:200:06:170
28651919912584,19cyclictest2943196-21kworker/u2:000:00:220
28651919912394,20cyclictest2872161-21kworker/u2:219:40:050
289256321190,2sleep02892564-21timerwakeupswit20:46:180
28651919911687,19cyclictest2900014-21kworker/u2:221:35:030
292742121110,2sleep02927422-21awk22:51:260
28651919910981,19cyclictest2933880-21kworker/u2:123:21:020
286414421070,2sleep02864142-21latency19:05:230
28651919910675,19cyclictest2924369-21kworker/u2:122:50:060
28651919910475,20cyclictest2872161-21kworker/u2:219:41:010
28651919910374,19cyclictest2869385-21kworker/u2:120:14:430
2865191999813,20cyclictest2949967-21munin-run00:15:050
2865191999813,19cyclictest2868589-21ntp_states19:21:000
2865191999713,19cyclictest2896376-21ntpq21:00:470
2865191999713,18cyclictest2918604-21ntpq22:20:370
2865191999712,19cyclictest2887978-21ntpq20:30:420
2865191999712,19cyclictest2883838-21ntpq20:15:500
2865191999625,15cyclictest267-21dbus-daemon23:30:020
2865191999614,20cyclictest2878182-21ntpq19:55:350
2865191999614,19cyclictest2939543-21ntpq23:35:490
2865191999613,19cyclictest2956078-21ntpq00:35:530
2865191999613,19cyclictest2952289-21users00:21:210
2865191999613,17cyclictest2902004-21ntpq21:20:590
2865191999514,19cyclictest2929885-21ntpq23:01:020
2865191999513,18cyclictest2919992-21ntpq22:25:380
2865191999414,19cyclictest1-21systemd19:55:040
2865191999414,18cyclictest2921355-21ntpq22:30:310
2865191999414,18cyclictest2865403-21df_inode19:10:160
2865191999413,19cyclictest2938074-21ntpq23:30:320
2865191999413,19cyclictest2906427-21sensors_temp21:36:350
2865191999413,19cyclictest2871252-21ntpq19:30:390
2865191999412,19cyclictest2910266-21ntpq21:50:420
2865191999412,18cyclictest2897770-21runrttasks21:05:500
2865191999411,19cyclictest2950391-21awk00:15:320
2865191999410,18cyclictest2953113-21latency00:25:280
2865191999313,20cyclictest2879443-21irqstats20:00:260
2865191999312,19cyclictest2933875-21ntpq23:15:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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