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2025-04-22 - 17:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 100 highest latencies:
System rack7slot8.osadl.org (updated Tue Apr 22, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4225223038,60sleep00-21swapper/019:05:390
48049912530,38cyclictest6112-21apt-get23:47:060
48049912253,50cyclictest1336-21runrttasks22:46:130
48049912233,34cyclictest15139-21fw_conntrack00:15:480
48049912141,39cyclictest29696-21memory20:55:320
48049911844,54cyclictest1-21systemd00:32:570
48049911843,58cyclictest20661-21seq20:18:110
48049911740,57cyclictest30319-21chrt23:12:070
48049911670,36cyclictest10726-21sshd19:35:180
48049911667,38cyclictest27025-21memory23:00:500
48049911644,20cyclictest28911-21runrttasks20:52:040
48049911443,55cyclictest9516-21sshd19:30:180
48049911328,25cyclictest22144-21apt-get20:26:130
48049911270,30cyclictest3564-21apt-config23:35:130
48049911244,50cyclictest7733-21apt-get23:51:270
48049911241,36cyclictest1104-21users21:10:440
48049911069,31cyclictest25255-21runrttasks22:55:120
48049911066,34cyclictest3229-21apt23:35:010
48049911063,39cyclictest20287-21aten_r7power_cu00:35:160
48049910837,19cyclictest28137-21diskstats23:05:280
48049910828,22cyclictest9269-21apt-get21:52:060
48049910824,25cyclictest18494-21apt-get22:32:070
48049910785,13cyclictest0-21swapper/019:10:040
48049910766,31cyclictest17071-21ntp_offset22:20:380
48049910765,33cyclictest6525-21sh19:15:410
48049910761,34cyclictest1356-21snmpd22:15:230
48049910760,37cyclictest12377-21ntp_states00:05:450
48049910745,22cyclictest12187-21ntp_states19:40:350
48049910639,50cyclictest31208-21cmp21:00:240
48049910574,22cyclictest8748-21runrttasks21:45:380
48049910550,39cyclictest32332-21seq23:20:310
48049910548,36cyclictest800-21avahi-daemon20:10:000
48049910535,33cyclictest24581-21/usr/sbin/munin20:35:300
48049910459,32cyclictest19261-21/usr/sbin/munin20:15:040
48049910447,39cyclictest1660-21sshd23:27:200
48049910374,21cyclictest2542-21apt-get21:17:020
48049910372,22cyclictest11040-21/usr/sbin/munin21:55:130
48049910345,42cyclictest14418-21chrt22:10:240
48049910339,46cyclictest18493-21latency_hist22:30:060
48049910333,32cyclictest20712-21processes22:35:470
48049910271,22cyclictest5042-21basename23:40:130
48049910258,34cyclictest1356-21snmpd23:15:120
48049910255,36cyclictest21490-21chrt22:40:130
48049910254,37cyclictest9664-21df23:55:200
48049910236,47cyclictest27676-21grep20:50:040
48049910230,35cyclictest1356-21snmpd21:36:150
48049910172,21cyclictest17085-21runrttasks20:02:540
48049910170,22cyclictest14706-21runrttasks19:53:530
48049910138,21cyclictest13547-21memory00:10:350
48049910072,20cyclictest15738-21runrttasks19:57:080
48049910062,28cyclictest1336-21runrttasks22:07:290
48049910056,34cyclictest12661-21ntp_states22:00:420
48049910041,20cyclictest17654-21irqstats00:25:320
48049910034,47cyclictest5164-21df21:30:180
4804999970,20cyclictest800-21avahi-daemon19:50:000
4804999955,34cyclictest25844-21/usr/sbin/munin20:40:160
4804999953,36cyclictest7719-21/usr/sbin/munin21:40:290
4804999951,37cyclictest21398-21ntpq20:20:350
4804999935,54cyclictest16317-21df_inode00:20:210
4804999931,33cyclictest24199-21sh22:50:370
4804999848,40cyclictest10939-21df_inode00:00:220
4804999830,54cyclictest3672-1kworker/0:2H21:22:240
4804999743,43cyclictest7583-21sshd19:20:170
4804999564,21cyclictest32673-21runrttasks21:08:420
4804999451,32cyclictest23379-21aten_r7power_en20:30:090
4804999365,20cyclictest9133-21runrttasks19:29:310
4804998944,35cyclictest4857-21munin-run21:30:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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