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2025-11-26 - 05:40
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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 Wed Nov 26, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1705224380,14sleep027551-1kworker/u3:517:36:070
29459915881,53cyclictest16801-21/usr/sbin/munin22:36:590
29459915781,34cyclictest23812-21grep21:17:220
29459915778,54cyclictest30281-21unixbench_singl19:57:220
29459915681,51cyclictest3256-21ssh20:15:160
29459915679,54cyclictest5069-21/usr/sbin/munin20:21:160
29459915577,35cyclictest11639-21ssh20:41:140
29459915381,49cyclictest6847-21cpu20:26:200
29459915379,35cyclictest25449-21ssh19:42:500
29459915377,51cyclictest2354-21sed21:51:340
29459915279,49cyclictest4583-21grep21:57:250
29459915278,52cyclictest8332-21ssh22:10:140
29459915277,50cyclictest5327-21sed17:51:500
29459915275,53cyclictest17949-21sed19:01:550
29459915274,53cyclictest13328-21sshd20:46:170
29459915186,41cyclictest10008-21ssh20:36:080
29459915181,32cyclictest10980-21sed22:17:160
29459915179,47cyclictest12378-21sort22:22:060
29459915175,52cyclictest1438-21ssh21:48:130
29459915174,52cyclictest27925-21/usr/sbin/munin21:32:350
29459915172,54cyclictest22015-21/usr/sbin/munin21:12:130
29459915171,54cyclictest22565-21grep19:30:480
29459915077,47cyclictest32703-21sshd20:06:170
29459915075,54cyclictest32165-21ssh21:42:460
29459915075,53cyclictest31055-21/usr/sbin/munin20:01:560
29459915074,52cyclictest24369-21latency_hist19:40:500
29459915073,35cyclictest20125-21ssh21:06:500
29459915072,51cyclictest19998-21wget19:16:090
29459914983,43cyclictest4326-21timerwakeupswit20:17:230
29459914983,43cyclictest10434-21tr18:21:390
29459914979,49cyclictest26483-21/usr/sbin/munin19:46:410
29459914976,48cyclictest8780-21/usr/sbin/munin22:11:200
29459914975,34cyclictest21216-21ssh22:48:570
29459914975,33cyclictest18362-21/usr/sbin/munin21:01:300
29459914974,34cyclictest13837-21fw_conntrack22:26:410
29459914974,33cyclictest28293-21ssh19:52:010
29459914973,52cyclictest5515-21grep17:56:080
29459914972,52cyclictest23841-21ssh22:57:090
29459914972,36cyclictest25406-21ntpq23:02:060
29459914972,34cyclictest21919-21ssh22:51:250
29459914880,47cyclictest14861-21apt-get20:51:050
29459914878,48cyclictest15499-21df_inode22:31:410
29459914876,48cyclictest18415-21apt-get22:41:060
29459914874,50cyclictest29610-21sshd21:36:160
29459914872,53cyclictest9432-21ssh20:33:310
29459914776,31cyclictest26291-21/usr/sbin/munin21:26:130
29459914775,51cyclictest5453-21ssh22:01:190
29459914774,49cyclictest18885-21cron19:10:440
29459914773,50cyclictest24910-21ssh21:21:250
29459914773,34cyclictest16912-21/usr/sbin/munin20:56:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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