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2026-08-02 - 10:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Aug 02, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152030,0ktimers/0227591sleep19:15:400
229869949474,0cyclictest5562-21apt-get20:29:440
1514630,0ktimers/0165101sleep21:21:310
1514620,0ktimers/0275511sleep22:31:260
1514620,0ktimers/0104531sleep00:07:100
1514610,0ktimers/020371sleep23:15:050
1514530,0ktimers/0314441sleep22:55:110
2298699444114,0cyclictest0-21swapper00:17:400
229869944339,0cyclictest3432-21nscd23:29:560
229869943837,0cyclictest32458-21mailstats20:04:120
2298699438137,0cyclictest10420-21apt20:53:560
2298699436127,0cyclictest13740-21ls00:29:110
1514350,0ktimers/0236851sleep22:04:250
2298699424122,0cyclictest0-21swapper19:22:350
1514210,0ktimers/0147611sleep00:35:500
229869941836,0cyclictest1084-21tr20:09:150
229869941734,0cyclictest13682-21sendmail-msp21:09:080
229869941597,0cyclictest9433-21chrt00:01:050
229869941471,0cyclictest20411-21apt-get21:45:000
2298699414124,0cyclictest29074-21sendmail19:48:580
2298699413122,0cyclictest11878-21df_inode20:59:570
229869940730,0cyclictest491-21rm23:03:440
2298699406109,0cyclictest17729-21ssh21:29:060
229869940534,0cyclictest7851-21munin-node20:39:560
229869940529,0cyclictest29684-21ssh22:44:080
2298699403139,0cyclictest4217-21cron20:23:550
2298699402116,0cyclictest13851-21ssh00:29:260
229869940167,0cyclictest8481-21diskmemload23:55:010
229869940156,0cyclictest1478-21rm23:11:120
229869940034,0cyclictest18629-21munin-run21:34:000
229869939985,0cyclictest27981-21cron19:43:550
2298699399135,0cyclictest29793-21ssh22:44:280
229869939831,0cyclictest22113-21expr21:55:360
229869939730,0cyclictest31304-21sort19:59:040
2298699397105,0cyclictest4031-21ssh23:25:400
229869939673,0cyclictest10786-21mailstats00:09:240
229869939633,0cyclictest4529-21awk20:24:560
229869939432,0cyclictest27847-21munin-node22:35:240
2298699393135,0cyclictest0-21swapper19:53:370
1513930,0ktimers/0254191sleep22:16:350
229869939232,0cyclictest34-1kworker/0:1H+kblockd23:04:220
229869939230,0cyclictest14936-21which21:14:240
229869939133,0cyclictest23348-21chrt22:02:120
2298699391124,0cyclictest16229-21mailstats00:44:220
229869939032,0cyclictest3655-21chrt23:24:080
229869939031,0cyclictest6734-21sshd20:34:560
229869938936,0cyclictest15809-21vmstat00:41:120
229869938931,0cyclictest14769-21chrt21:14:040
229869938884,0cyclictest0-21swapper19:31:120
229869938832,0cyclictest6547-21awk23:40:440
2298699388124,0cyclictest12313-21chrt00:19:250
229869938756,0cyclictest10911-21nfs_client20:55:160
229869938730,0cyclictest26050-21ntpq19:34:250
229869938730,0cyclictest20113-21rm21:43:400
2298699387123,0cyclictest3460-21snmpd22:24:590
2298699387107,0cyclictest24608-21cat22:09:270
229869938644,0cyclictest3121-21munin-run20:18:580
2298699386120,0cyclictest19070-21runrttasks21:35:380
229869938430,0cyclictest31895-21sed20:00:280
229869938335,0cyclictest7598-21idleruntime-cro23:48:570
229869938327,0cyclictest21524-21chrt21:52:200
229869938280,0cyclictest0-21swapper22:52:330
229869938231,0cyclictest26031-21ssh22:21:360
229869938230,0cyclictest8357-21latency_hist20:44:080
229869938134,0cyclictest24148-21munin-node19:24:160
229869937930,0cyclictest5939-21ssh23:37:400
2298699378117,0cyclictest3460-21snmpd23:49:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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