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2026-04-14 - 23:51
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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 Tue Apr 14, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23490224302167,93sleep00-21swapper07:03:570
239399910840,50cyclictest32587-21if_eth011:38:530
239399910319,23cyclictest13136-21munin-run10:42:450
239399910219,48cyclictest1680-21df11:43:270
239399910128,23cyclictest23684-21grep11:13:180
239399910119,62cyclictest6860-21ssh11:58:320
239399910119,62cyclictest26759-21apt-get09:48:050
239399910118,61cyclictest3490-21df_inode11:48:400
239399910118,42cyclictest4523-21munin-run10:17:450
239399910114,67cyclictest26657-21ssh09:47:490
239399910012,66cyclictest30807-21ssh11:33:440
23939999918,22cyclictest8841-21memory12:04:090
23939999917,19cyclictest27003-21apt-get11:23:030
23939999915,46cyclictest17234-21df_inode12:28:430
23939999912,68cyclictest1690-21snmpd10:31:220
23939999819,58cyclictest5592-21users10:19:320
23939999818,59cyclictest20005-21munin-run11:02:460
23939999815,45cyclictest13729-21df12:18:310
23939999815,21cyclictest17058-21fw_conntrack10:53:420
23939999814,46cyclictest28824-21ssh09:53:370
23939999812,65cyclictest15409-21irqstats10:48:510
23939999812,46cyclictest19858-21/usr/sbin/munin09:29:270
23939999812,26cyclictest32412-21cut10:04:000
23939999810,68cyclictest16431-21/usr/sbin/munin09:19:180
23939999716,23cyclictest13416-21irqstats09:09:010
23939999715,60cyclictest15064-21fw_conntrack09:13:480
23939999714,61cyclictest18976-21fw_conntrack12:33:500
23939999713,26cyclictest10440-21ssh12:08:510
23939999712,43cyclictest23283-21ssh11:12:040
23939999712,26cyclictest6309-21ssh11:57:050
23939999711,45cyclictest21863-21df09:33:290
23939999623,55cyclictest0-21swapper07:42:450
23939999616,60cyclictest29052-21df_inode11:28:370
23939999616,60cyclictest13709-21irqstats10:43:580
23939999616,44cyclictest19107-21users09:24:360
23939999615,44cyclictest6826-21irqstats10:23:550
23939999612,45cyclictest9908-21ssh10:33:180
23939999610,50cyclictest30209-21/usr/sbin/munin09:59:060
23939999516,24cyclictest15563-21fw_conntrack12:23:490
23939999515,21cyclictest26338-21users07:18:530
23939999514,43cyclictest12752-21head09:03:500
23939999514,22cyclictest11129-21/usr/sbin/munin08:58:300
23939999513,63cyclictest23324-21apt-get09:38:120
23939999511,46cyclictest20134-21ssh11:02:570
23939999414,59cyclictest28122-21users07:28:540
23939999412,42cyclictest25749-21irqstats11:18:550
23939999328,43cyclictest12186-21ssh12:14:000
23939999315,39cyclictest3934-21/usr/sbin/munin08:17:550
23939999314,59cyclictest1456-21df10:08:310
23939999312,58cyclictest6710-21cut08:33:090
23939999311,59cyclictest11076-21wc08:57:470
23939999210,62cyclictest1690-21snmpd08:43:060
23939999121,53cyclictest0-21swapper07:57:000
23939999117,56cyclictest778-21ntp_states07:58:420
23939999018,22cyclictest30476-21memory07:43:330
23939999016,24cyclictest1420-21df08:03:120
23939998917,22cyclictest26745-21df_inode07:23:200
23939998911,25cyclictest10018-21sort08:48:490
23939998817,24cyclictest7940-21memory08:38:340
23939998815,24cyclictest2172-21grep08:08:070
23939998814,58cyclictest0-21swapper07:48:110
23939998812,54cyclictest25461-21munin-run07:17:450
23939998812,27cyclictest24840-21munin-setwarn07:12:450
23939998811,41cyclictest3902-21sort08:17:490
23939998713,54cyclictest28257-21/usr/sbin/munin07:33:480
23939998711,21cyclictest5633-21sort08:27:460
23939998517,20cyclictest5931-21df08:28:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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