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2025-12-01 - 07:01
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot7.osadl.org (updated Mon Dec 01, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24672224590,17sleep023292-1kworker/u3:017:39:440
247879910712,30cyclictest19424-21sshd23:10:230
247879910310,54cyclictest6413-21ssh20:52:000
247879910310,27cyclictest17265-21ssh19:47:230
247879910219,24cyclictest11439-21grep21:06:580
247879910216,24cyclictest1842-21munin-run18:30:310
247879910115,47cyclictest8760-21ssh22:36:200
247879910112,26cyclictest17811-21ssh23:05:230
247879910111,26cyclictest32266-21ssh22:09:020
247879910031,52cyclictest0-21swapper22:30:060
247879910021,57cyclictest17552-21apt-get21:25:500
247879910017,21cyclictest2799-21fw_conntrack20:41:330
247879910013,66cyclictest1031-21sed20:36:190
247879910011,65cyclictest8599-21grep22:35:370
247879910011,24cyclictest25765-21ssh20:12:380
24787999918,43cyclictest12969-21irqstats21:11:400
24787999916,62cyclictest15084-21fw_conntrack22:56:280
24787999914,47cyclictest30610-21ssh22:04:120
24787999914,22cyclictest28494-21fw_conntrack20:21:280
24787999817,42cyclictest12679-21ssh22:49:220
24787999816,62cyclictest10309-21ssh21:03:310
24787999816,61cyclictest28254-21ntp_states21:57:010
24787999816,19cyclictest14873-21df19:41:140
24787999814,24cyclictest3498-21cat22:20:350
24787999716,59cyclictest24696-21irqstats21:46:400
24787999715,66cyclictest0-21swapper20:33:210
24787999714,52cyclictest0-21swapper20:27:500
24787999712,47cyclictest5391-21ssh20:49:120
24787999619,38cyclictest28002-21munin-run20:20:320
24787999616,59cyclictest9658-21apt-get22:40:440
24787999615,20cyclictest14556-21df_inode21:16:250
24787999614,22cyclictest24099-21ssh20:07:490
24787999614,21cyclictest13306-21df22:51:130
24787999614,21cyclictest11031-21grep19:20:540
24787999613,45cyclictest16707-21timerwakeupswit21:22:130
24787999613,44cyclictest22182-21/usr/sbin/munin20:02:110
24787999611,27cyclictest19976-21processes21:32:090
24787999610,48cyclictest22163-21ssh21:38:570
24787999610,25cyclictest6317-21grep18:51:380
24787999517,38cyclictest7741-21df20:56:180
24787999516,43cyclictest1227-21ssh22:12:390
24787999515,61cyclictest23507-21users21:42:190
24787999515,61cyclictest0-21swapper21:51:010
24787999510,67cyclictest3593-21/usr/sbin/munin22:21:560
24787999510,67cyclictest19708-21apt-get19:55:590
24787999412,63cyclictest29673-21sort18:01:360
24787999411,62cyclictest6869-21ls18:56:190
24787999410,45cyclictest18508-21cat19:51:440
2478799929,47cyclictest14489-21sh19:40:300
24787999214,28cyclictest28798-21sort17:56:330
24787999213,44cyclictest9183-21apt-get19:10:500
24787999122,46cyclictest4159-21memory18:41:220
24787999115,27cyclictest10353-21df_inode19:16:060
24787999111,63cyclictest2721-21users18:31:380
24787999017,25cyclictest2936-21/usr/sbin/munin18:35:530
24787999014,53cyclictest26312-21basename17:46:130
24787999012,22cyclictest9069-21munin-run19:10:320
24787998917,23cyclictest25687-21munin-run17:45:320
24787998915,25cyclictest30686-21latency_hist18:10:340
24787998817,25cyclictest31208-21/usr/sbin/munin18:11:200
24787998817,21cyclictest27201-21apt-get17:50:490
24787998810,59cyclictest7365-21/usr/sbin/munin19:01:380
24787998717,22cyclictest12998-21df19:31:010
24787998714,25cyclictest700-21ps18:21:330
24787998714,23cyclictest5464-21munin-run18:50:310
24787998611,25cyclictest31975-21df_inode18:16:040
24787998514,22cyclictest12164-21fw_conntrack19:26:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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