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2024-11-22 - 11:23
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Fri Nov 22, 2024 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21712224230,13sleep020877-1kworker/u3:017:54:280
224639910819,65cyclictest28196-21apt-get20:48:550
224639910415,25cyclictest14847-21/usr/sbin/munin20:09:590
224639910411,48cyclictest1597-21ssh22:47:090
224639910318,22cyclictest17173-21apt-get21:53:570
224639910231,26cyclictest0-21swapper22:38:420
224639910219,58cyclictest13504-21df_inode20:04:310
224639910212,69cyclictest6715-21/usr/sbin/munin21:20:260
22463991019,70cyclictest12997-21grep23:23:420
224639910116,23cyclictest29660-21ssh22:31:050
224639910010,69cyclictest31937-21/usr/sbin/munin20:59:400
22463999917,19cyclictest16880-21fw_conntrack20:14:390
22463999915,46cyclictest21486-21/usr/sbin/munin20:30:110
22463999911,47cyclictest7433-21ssh21:24:000
22463999910,48cyclictest1076-21ssh21:04:250
22463999816,43cyclictest12545-21df21:39:150
22463999815,47cyclictest19788-21/usr/sbin/munin20:25:060
22463999732,31cyclictest0-21swapper20:33:440
22463999713,49cyclictest24808-21ssh22:16:370
22463999713,47cyclictest25109-21cut18:14:000
22463999713,46cyclictest19676-21/usr/sbin/munin22:00:180
22463999712,64cyclictest23402-21ssh22:12:590
22463999711,25cyclictest27781-21wget18:29:020
22463999710,24cyclictest19688-21munin-run20:23:390
22463999617,59cyclictest2667-21df19:09:060
22463999616,58cyclictest11582-21users21:35:120
22463999615,23cyclictest25676-21fw_conntrack22:19:390
22463999614,21cyclictest5349-21df19:24:050
22463999613,22cyclictest20604-21ssh22:04:130
22463999611,64cyclictest25054-21sh20:39:140
22463999610,46cyclictest21363-21snmpd20:55:230
22463999610,26cyclictest3951-21ssh21:13:230
22463999610,25cyclictest3432-21ssh22:53:130
2246399958,25cyclictest5387-21ssh21:17:060
22463999517,19cyclictest2344-21munin-run19:08:370
22463999516,62cyclictest0-21swapper18:28:360
22463999514,21cyclictest26837-21df_inode20:44:240
22463999513,63cyclictest10979-21cat19:54:330
22463999512,20cyclictest22937-21sort17:59:230
22463999510,45cyclictest14496-21ntpq21:44:560
22463999510,25cyclictest5534-21ssh22:59:250
22463999430,43cyclictest15878-21df_inode21:49:270
22463999416,61cyclictest12010-21memory19:59:590
22463999415,42cyclictest13445-21irqstats23:24:400
22463999414,43cyclictest9613-21memory21:29:530
22463999413,63cyclictest9655-21apt-get19:48:530
22463999412,21cyclictest9401-21ssh23:10:240
22463999411,63cyclictest7353-21sort23:04:470
22463999329,48cyclictest0-21swapper22:28:340
22463999325,50cyclictest0-21swapper22:54:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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