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2025-06-17 - 02:36
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Tue Jun 17, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27318224250,13sleep024659-1kworker/u3:117:44:020
285769910417,23cyclictest31508-21apt-get22:09:070
285769910412,27cyclictest29321-21ssh20:21:090
285769910325,34cyclictest0-21swapper20:24:210
285769910319,62cyclictest6012-21memory20:50:030
285769910314,67cyclictest28240-21/usr/sbin/munin22:00:180
285769910226,67cyclictest0-21swapper23:12:070
285769910212,27cyclictest1393-21ssh22:15:200
285769910211,53cyclictest20469-21ssh21:34:400
285769910211,43cyclictest6000-21if_eth022:29:460
285769910211,26cyclictest3393-21ssh20:41:320
285769910210,27cyclictest486-21ssh20:33:250
28576991019,71cyclictest8746-21munin-plugin-st22:38:420
285769910136,49cyclictest0-21swapper20:45:400
285769910116,24cyclictest30314-21irqstats22:04:530
285769910113,65cyclictest25315-21df_inode21:49:340
285769910113,65cyclictest13806-21ssh21:14:240
285769910112,27cyclictest27922-21ssh21:57:450
285769910026,20cyclictest20150-21ssh23:14:370
285769910017,46cyclictest15599-21irqstats21:19:500
285769910015,46cyclictest4390-21irqstats22:24:500
28576999919,35cyclictest7714-21ntp_states20:55:090
28576999918,60cyclictest23072-21ssh21:42:540
28576999917,61cyclictest12217-21df21:09:260
28576999914,24cyclictest1265-21wget18:14:060
28576999911,65cyclictest20030-21apt-get19:53:540
28576999817,63cyclictest10761-21df22:44:320
28576999816,62cyclictest19983-21ssh21:33:440
28576999816,47cyclictest24015-21ssh20:05:170
28576999812,66cyclictest16793-21modprobe21:23:490
28576999736,20cyclictest18229-21diskmemload22:19:160
28576999715,61cyclictest22246-21memory20:00:030
28576999714,64cyclictest16789-21apt-get23:04:030
28576999714,21cyclictest9247-21memory20:59:590
28576999713,65cyclictest23862-21memory21:45:000
28576999612,24cyclictest5268-21ntpq18:34:360
28576999612,22cyclictest11575-21ssh21:07:130
28576999611,64cyclictest12804-21sed22:50:200
28576999611,63cyclictest27505-21sed20:15:250
28576999532,46cyclictest0-21swapper22:59:480
28576999516,41cyclictest18807-21irqstats19:49:550
28576999513,22cyclictest26167-21ssh20:11:490
28576999512,38cyclictest17347-21latency_hist19:43:440
28576999511,44cyclictest29014-21irqstats17:49:310
28576999429,50cyclictest0-21swapper17:56:470
28576999412,44cyclictest14763-21ssh22:56:420
28576999411,65cyclictest32635-21sed18:04:510
28576999411,23cyclictest1044-21grep18:09:530
28576999315,42cyclictest673-21ssh20:34:020
2857699929,60cyclictest12559-21proc_pri19:14:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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