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2024-02-27 - 02:43
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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 20 highest latencies:
System rack5slot7.osadl.org (updated Tue Feb 27, 2024 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26945224372198,90sleep00-21swapper18:11:270
270079910416,68cyclictest24369-21apt-get22:12:070
270079910411,30cyclictest6347-21/usr/sbin/munin21:17:420
270079910328,64cyclictest0-21swapper22:55:350
270079910217,24cyclictest3029-21df_inode21:07:430
270079910214,66cyclictest14983-21grep21:43:170
270079910211,69cyclictest12428-21ssh23:13:330
270079910134,53cyclictest8216-21memory21:23:100
270079910116,46cyclictest28485-21apt-get20:47:140
270079910116,25cyclictest15154-21df23:22:330
270079910033,32cyclictest3499-21apt-get22:47:070
270079910021,56cyclictest20013-21munin-run20:21:440
270079910015,21cyclictest11532-21munin-run23:11:420
27007999931,54cyclictest9988-21ntp_states21:28:200
27007999918,60cyclictest2276-21irqstats22:43:000
27007999916,63cyclictest22368-21memory20:28:170
27007999913,25cyclictest21070-21/usr/sbin/munin22:02:210
27007999911,40cyclictest23331-21ssh22:08:170
27007999910,24cyclictest26062-21ssh20:38:350
2700799989,68cyclictest9121-21ntpq19:27:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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