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2026-09-02 - 06:57
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Wed Sep 02, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11880224330,12sleep09233-1kworker/u3:118:56:510
125179910619,65cyclictest4395-21users22:42:480
125179910310,53cyclictest11183-21ssh21:28:100
125179910234,46cyclictest2988-21sshd22:39:160
125179910219,62cyclictest18744-21apt-get21:51:180
125179910215,65cyclictest26051-21irqstats22:12:060
125179910117,65cyclictest27821-21ssh23:51:550
125179910117,21cyclictest29363-21df_inode22:21:480
125179910116,22cyclictest17507-21df_inode23:21:490
125179910115,64cyclictest26074-21df_inode23:46:480
125179910112,65cyclictest31116-21ssh22:26:560
125179910015,44cyclictest15998-21memory23:17:180
12517999925,39cyclictest0-21swapper23:42:350
12517999916,23cyclictest21055-21irqstats23:32:110
12517999915,65cyclictest5157-21apt-get22:46:240
12517999914,66cyclictest18893-21ssh23:26:100
12517999913,65cyclictest32216-21grep20:51:180
12517999913,65cyclictest16018-21processes21:42:340
12517999913,25cyclictest1027-21ssh22:33:090
12517999912,64cyclictest6265-21ssh21:14:190
12517999910,25cyclictest18506-21ssh21:50:290
1251799989,64cyclictest13585-21cat19:06:050
12517999817,62cyclictest6881-21apt-get22:51:130
12517999816,21cyclictest31247-21fw_conntrack00:02:010
12517999815,50cyclictest0-21swapper23:10:370
12517999811,65cyclictest16307-21kernelversion19:21:440
12517999810,66cyclictest6725-21ssh00:25:160
12517999810,25cyclictest12939-21ssh21:33:180
12517999714,45cyclictest7940-21users00:27:510
12517999714,22cyclictest32043-21munin-run20:50:570
12517999713,62cyclictest14565-21ssh21:37:520
12517999712,63cyclictest22441-21ssh22:01:450
12517999712,29cyclictest10189-21ssh23:00:590
12517999618,57cyclictest28561-21apt-get20:31:120
12517999613,65cyclictest5177-21cat00:21:000
12517999613,62cyclictest1303-21ssh00:08:560
12517999613,59cyclictest23911-21ssh22:06:240
12517999613,25cyclictest1867-21ssh00:11:090
12517999612,65cyclictest10434-21wget23:01:310
12517999610,66cyclictest23286-21ssh23:37:530
12517999610,25cyclictest27487-21ssh22:16:330
12517999516,57cyclictest29513-21df_inode23:56:500
12517999516,42cyclictest20792-21df_inode21:56:490
12517999515,60cyclictest7351-21/usr/sbin/munin21:17:260
12517999511,46cyclictest27193-21grep20:21:550
1251799949,27cyclictest23171-21wget20:01:190
12517999414,60cyclictest14305-21memory23:12:210
12517999412,44cyclictest1625-21wget21:01:280
12517999412,21cyclictest8753-21df21:21:580
12517999411,65cyclictest17421-21grep19:26:570
1251799939,62cyclictest28258-21grep20:26:570
12517999312,60cyclictest3896-21ntp_states21:07:280
1251799929,64cyclictest17826-21aten_r5power_po19:31:190
12517999214,26cyclictest21806-21ntpq19:51:500
1251799919,44cyclictest30141-21timerwakeupswit20:37:020
1251799918,47cyclictest14963-21grep19:15:590
12517999124,48cyclictest0-21swapper19:36:060
12517999112,58cyclictest15516-21tr19:16:500
12517999017,25cyclictest30637-21fw_conntrack20:41:360
12517998917,22cyclictest22658-21memory19:56:450
12517998911,21cyclictest24909-21ls20:11:000
12517998824,47cyclictest0-21swapper19:41:290
12517998719,24cyclictest21239-21munin-run19:50:590
12517998715,22cyclictest25440-21ntp_states20:11:540
12517998710,25cyclictest26267-21memory20:16:560
12517998616,51cyclictest13761-21irqstats19:06:170
12517998616,22cyclictest931-21irqstats20:56:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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