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2026-06-13 - 23:41
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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 Sat Jun 13, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17635224042216,136sleep00-21swapper07:03:180
178469917221,124cyclictest4377-21apt-get10:30:110
178469917020,123cyclictest17979-21apt-get09:35:150
178469917020,107cyclictest23108-21apt-get09:50:140
178469916915,126cyclictest929-21/usr/sbin/munin10:21:370
178469916618,109cyclictest6992-21df_inode09:00:320
178469916614,126cyclictest7858-21apt-get12:15:140
178469916519,104cyclictest20323-21ntp_states09:41:280
178469916517,123cyclictest12971-21apt-get12:30:120
178469916517,122cyclictest28244-21apt-get10:05:200
178469916420,118cyclictest32634-21users10:16:460
178469916418,120cyclictest24904-21apt-get11:30:170
178469916418,101cyclictest11213-21apt-get10:50:130
178469916417,122cyclictest26551-21apt-get10:00:100
178469916417,121cyclictest26623-21apt-get11:35:170
178469916414,125cyclictest21504-21apt-get11:20:220
178469916413,109cyclictest29951-21/usr/sbin/munin10:10:040
178469916412,126cyclictest28325-21/usr/sbin/munin11:40:280
178469916319,99cyclictest9509-21apt-get10:45:160
178469916319,114cyclictest31059-21apt-get08:15:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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