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2026-04-01 - 09:10
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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 Apr 01, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14210224070,13sleep013619-1kworker/u3:019:04:420
146499910613,70cyclictest5905-21sshd21:12:430
146499910116,65cyclictest31984-21apt-get22:28:480
146499910116,64cyclictest15968-21users23:15:120
146499910116,25cyclictest15063-21df21:39:050
146499910111,27cyclictest6436-21ssh22:48:350
146499910033,49cyclictest0-21swapper00:04:090
146499910016,62cyclictest3349-21df_inode22:39:150
146499910016,43cyclictest26042-21users22:10:120
146499910015,24cyclictest20653-21/usr/sbin/munin23:29:350
146499910014,67cyclictest1246-21apt-get22:33:420
146499910011,66cyclictest22479-21sshd19:48:430
14649999933,43cyclictest1690-21snmpd22:13:370
14649999918,47cyclictest9746-21munin-run22:58:240
14649999918,43cyclictest2599-21apt-get00:13:420
14649999917,44cyclictest23269-21munin-run22:03:230
14649999916,44cyclictest27599-21memory23:49:430
14649999916,23cyclictest29134-21df_inode23:54:180
14649999915,22cyclictest5168-21irqstats22:44:310
14649999915,22cyclictest23998-21df_inode23:39:210
14649999817,63cyclictest7759-21apt-get00:28:430
14649999817,61cyclictest25898-21ssh23:44:450
14649999817,20cyclictest8850-21users21:20:140
14649999816,60cyclictest30513-21apt-get23:58:410
14649999816,44cyclictest13587-21memory21:34:410
14649999816,43cyclictest19013-21memory23:24:400
14649999815,46cyclictest30555-21df22:24:090
14649999815,44cyclictest13644-21df_inode23:09:130
14649999813,23cyclictest15016-21df_inode19:08:580
14649999812,64cyclictest24848-21sendmail_mailqu19:59:220
14649999717,45cyclictest9617-21/usr/sbin/munin21:24:230
14649999715,62cyclictest7775-21munin-run21:18:230
14649999714,44cyclictest6502-21irqstats00:24:320
14649999711,23cyclictest20225-21ntp_states19:34:200
14649999710,67cyclictest17280-21wc23:19:390
14649999710,25cyclictest29317-21ssh22:20:010
14649999614,44cyclictest11721-21fw_conntrack21:29:250
14649999613,59cyclictest9715-21/usr/sbin/munin00:34:010
14649999612,62cyclictest23668-21ssh22:04:080
14649999610,26cyclictest22264-21ssh23:34:160
1464999959,25cyclictest11238-21ssh23:02:150
14649999516,40cyclictest17461-21users21:45:130
14649999515,59cyclictest5505-21ssh00:21:160
14649999515,57cyclictest20312-21fw_conntrack21:54:240
14649999511,25cyclictest28440-21awk20:19:230
14649999444,32cyclictest19119-21df_inode19:28:590
14649999411,22cyclictest11652-21aten_r5power_cu23:03:520
14649999318,57cyclictest26944-21apt-get20:13:370
14649999316,61cyclictest821-21apt-get00:08:440
14649999314,62cyclictest25157-21apt-get20:03:430
14649999313,34cyclictest18231-21apt-get21:48:470
14649999210,62cyclictest1690-21snmpd20:38:440
14649999210,25cyclictest869-21aten_r5power_po20:48:450
1464999919,24cyclictest17383-21/usr/sbin/munin19:19:070
14649999117,26cyclictest30823-21df_inode20:33:570
14649999016,24cyclictest21418-21users19:39:310
14649999013,21cyclictest18226-21df_inode19:23:570
1464999899,58cyclictest26075-21grep20:08:430
14649998928,42cyclictest2402-21cat20:54:270
14649998910,23cyclictest1690-21snmpd20:28:470
14649998818,34cyclictest16409-21df_inode19:14:210
14649998818,25cyclictest22318-21users19:44:310
14649998815,24cyclictest29054-21fw_conntrack20:24:020
14649998616,52cyclictest0-21swapper21:04:290
14649998615,24cyclictest32652-21fw_conntrack20:43:590
14649998612,26cyclictest23553-21/usr/sbin/munin19:53:520
14649998518,19cyclictest2833-21df20:58:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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