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2026-05-14 - 09:30
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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 Thu May 14, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153300,0ktimers/0277031sleep19:15:400
277089949830,0cyclictest3454-21ssh22:51:360
525504750,0irq/11-sym53c8x130250irq/15-NE200023:51:200
277089947198,0cyclictest19046-21apt-get21:11:160
1514710,0ktimers/0152121sleep20:52:250
1514690,0ktimers/091761sleep20:21:240
277089946146,0cyclictest11087-21needreboot20:32:160
1514600,0ktimers/0173341sleep00:12:540
277089945791,0cyclictest27706-21cyclictest20:12:280
2770899454125,0cyclictest0-21swapper00:41:220
277089945334,0cyclictest889-21sh22:36:080
1514530,0ktimers/024681sleep22:44:520
1514500,0ktimers/0290411sleep19:21:160
1514500,0ktimers/0182521sleep21:07:010
277089944836,0cyclictest26876-21ssh21:57:240
277089943835,0cyclictest12973-21egrep20:41:400
277089943534,0cyclictest27706-21cyclictest20:06:520
277089943332,0cyclictest25002-21latency_hist21:46:040
2770899429107,0cyclictest3729-21runrttasks23:50:510
1514290,0ktimers/040591chrt19:56:590
525504280,0irq/11-sym53c8x130250irq/15-NE200023:56:090
277089942832,0cyclictest11901-21sendmail_mailtr23:40:560
277089942829,0cyclictest20201-21ssh21:17:040
277089942738,0cyclictest0-21swapper19:26:160
277089942732,0cyclictest24368-21wget21:42:160
277089942395,0cyclictest3468-21sshd22:07:240
277089942235,0cyclictest161221sleep00:05:480
277089942033,0cyclictest2554-21latency_hist22:46:090
1514200,0ktimers/092151sleep23:26:100
277089941732,0cyclictest0-21swapper20:36:120
277089941731,0cyclictest48-21kswapd000:31:360
1514160,0ktimers/0142261chrt20:47:010
277089941536,0cyclictest19893-21diskmemload23:08:010
277089941439,0cyclictest130250irq/15-NE200021:40:400
277089941431,0cyclictest29311-21ls22:11:000
1514130,0ktimers/0307421sleep22:20:500
277089941233,0cyclictest19616-21ssh00:29:200
277089941137,0cyclictest7513-21munin-run23:15:480
277089941133,0cyclictest1565-21ntpq19:46:150
277089941034,0cyclictest4998-21chrt23:01:360
277089941031,0cyclictest27642-21sed22:02:000
277089940933,0cyclictest3729-21runrttasks00:21:360
277089940733,0cyclictest16768-21vmstat00:08:440
277089940728,0cyclictest31090-21cut19:32:000
277089940630,0cyclictest32502-21idleruntime22:31:240
277089940630,0cyclictest23033-21latency_hist21:35:520
277089940529,0cyclictest31448-21mailstats22:26:040
277089940435,0cyclictest15797-21sshd20:56:210
277089940430,0cyclictest17714-21latency_hist21:05:500
277089940333,0cyclictest11475-21awk23:37:440
277089940229,0cyclictest8120-21sh23:20:400
277089940135,0cyclictest0-21swapper20:26:080
277089940132,0cyclictest10476-21sh23:32:280
277089940130,0cyclictest32204-21ssh22:30:080
277089940033,0cyclictest9075-21munin-node23:25:520
277089939931,0cyclictest32228-21cut19:37:040
277089939928,0cyclictest25991-21chrt21:52:280
277089939798,0cyclictest20713-21munin-node00:37:450
277089939732,0cyclictest8444-21uname20:17:040
277089939631,0cyclictest28076-21awk19:16:400
277089939532,0cyclictest907-21sort19:42:120
277089939530,0cyclictest4794-21ls23:00:520
277089939529,0cyclictest21060-21ssh21:21:240
277089939435,0cyclictest22366-21ssh21:30:200
277089939433,0cyclictest17800-21ssh00:16:320
277089939432,0cyclictest3199-21basename19:52:240
277089939236,0cyclictest0-21swapper20:02:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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