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2026-07-02 - 12:52
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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 Thu Jul 02, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9342224132173,187sleep00-21swapper19:01:410
96349910411,56cyclictest3415-21ssh22:51:270
96349910315,25cyclictest18140-21memory22:00:210
96349910127,45cyclictest0-21swapper21:27:000
96349910119,43cyclictest18145-21df_inode23:34:480
96349910116,21cyclictest5161-21users00:30:480
96349910115,63cyclictest28440-21df_inode00:04:510
96349910111,68cyclictest27903-21ssh00:03:400
96349910028,55cyclictest0-21swapper23:52:150
96349910015,64cyclictest32165-21ntp_states00:15:310
96349910015,64cyclictest11336-21fw_conntrack23:15:010
96349910014,23cyclictest25980-21ssh22:23:320
96349910013,51cyclictest2518-21ssh00:24:120
96349910011,53cyclictest31257-21ssh21:04:360
9634999935,49cyclictest0-21swapper21:11:460
9634999917,42cyclictest10671-21munin-node19:09:080
9634999917,21cyclictest28352-21irqstats22:30:060
9634999916,23cyclictest4608-21memory22:55:190
9634999915,65cyclictest16204-21df_abs21:54:470
9634999913,65cyclictest596-21/usr/sbin/munin22:44:360
9634999913,26cyclictest2284-21ssh21:14:350
9634999912,65cyclictest25301-21ntp_states23:55:290
9634999912,49cyclictest10542-21ssh21:38:420
9634999912,26cyclictest14222-21ssh23:23:520
9634999818,59cyclictest14534-21fw_conntrack21:50:020
9634999818,59cyclictest12985-21memory21:45:250
9634999817,62cyclictest26856-21/usr/sbin/munin22:25:340
9634999817,43cyclictest7763-21ssh23:04:430
9634999815,62cyclictest23155-21fw_conntrack22:15:020
9634999815,62cyclictest19316-21/usr/sbin/munin22:04:480
9634999815,60cyclictest19911-21fw_conntrack23:40:010
9634999814,63cyclictest16432-21df_inode23:29:500
9634999814,23cyclictest7538-21df21:29:420
9634999715,60cyclictest30182-21fw_conntrack00:09:590
9634999714,63cyclictest5440-21munin-run21:24:000
9634999712,47cyclictest22670-21wc22:14:040
9634999710,22cyclictest32767-21ssh22:43:080
9634999618,59cyclictest21763-21memory23:45:190
9634999616,62cyclictest11087-21df_inode21:39:550
9634999615,44cyclictest14713-21users19:30:080
9634999615,42cyclictest14999-21ntp_states23:25:320
9634999614,61cyclictest1136-21df_inode00:19:540
9634999614,24cyclictest29880-21cat22:34:380
9634999611,26cyclictest7014-21ssh23:02:120
9634999518,58cyclictest9206-21apt-get23:09:150
9634999515,60cyclictest15627-21users19:35:080
9634999515,60cyclictest10489-21users19:05:080
9634999510,63cyclictest18927-21tr19:54:570
9634999310,64cyclictest21730-21zcat20:10:010
9634999212,61cyclictest28216-21users20:45:080
9634999212,59cyclictest29329-21grep20:54:210
9634999210,63cyclictest16525-21sshd19:40:090
9634999121,24cyclictest20235-21ls20:04:030
9634999117,23cyclictest12170-21apt-get19:19:150
9634999115,54cyclictest22829-21users20:15:080
9634999113,44cyclictest16692-21basename19:44:200
9634999010,58cyclictest30864-21grep21:00:020
9634998916,52cyclictest20310-21cut20:04:210
963499888,63cyclictest28595-21snmpd19:19:020
9634998816,22cyclictest13263-21df19:24:260
9634998814,21cyclictest23729-21users20:20:080
9634998811,58cyclictest23858-21/usr/sbin/munin20:24:240
9634998717,49cyclictest17554-21apt-get19:49:140
9634998717,23cyclictest24965-21df20:29:270
9634998618,26cyclictest25674-21apt-get20:34:180
9634998611,26cyclictest28744-21latency20:49:460
9634998412,25cyclictest26777-21df20:39:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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