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2025-12-10 - 07:28
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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 Wed Dec 10, 2025 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24470224122176,182sleep00-21swapper17:35:530
253209916813,129cyclictest13259-21/usr/sbin/munin21:11:350
253209916617,125cyclictest23478-21apt-get21:40:330
253209916615,125cyclictest25386-21apt-get20:10:230
253209916517,121cyclictest8675-21irqstats20:56:190
253209916418,122cyclictest30304-21apt-get22:00:320
253209916417,105cyclictest12036-21irqstats21:06:150
253209916416,123cyclictest9910-21apt-get21:00:250
253209916414,125cyclictest29132-21memory21:56:260
253209916413,127cyclictest18114-21/usr/sbin/munin23:01:160
253209916318,121cyclictest1273-21munin-run20:35:040
253209916318,105cyclictest1278-21apt-get22:10:260
253209916315,123cyclictest4798-21apt-get20:45:250
253209916312,126cyclictest18578-21cpu21:25:430
25320991629,111cyclictest21810-21ssh19:59:510
253209916220,98cyclictest21788-21apt-get21:35:260
253209916220,103cyclictest13739-21ntp_states22:46:330
253209916218,121cyclictest29043-21ssh20:20:500
253209916216,121cyclictest10239-21irqstats22:36:130
253209916213,124cyclictest30876-21ssh20:26:130
253209916211,126cyclictest5028-21unixbench_singl18:41:130
253209916119,98cyclictest26196-21sshd17:42:440
253209916119,118cyclictest1404-21apt-get20:35:250
253209916117,120cyclictest8121-21apt-get22:30:230
253209916113,124cyclictest23678-21apt-get20:05:250
253209916021,112cyclictest16667-21apt-get21:20:250
253209916018,102cyclictest20348-21df21:30:460
253209916014,122cyclictest3538-21irqstats20:41:110
253209916014,104cyclictest18464-21munin-run19:50:060
253209916013,122cyclictest7991-21munin-run22:30:050
253209916012,125cyclictest23421-21ssh20:04:280
253209915933,108cyclictest15557-21ssh21:16:300
253209915921,111cyclictest20103-21df_inode23:05:590
253209915918,121cyclictest18591-21/usr/sbin/munin19:50:390
253209915917,119cyclictest26888-21apt-get21:50:280
253209915915,120cyclictest26753-21munin-run21:50:040
253209915815,119cyclictest15148-21apt-get19:40:240
253209915813,103cyclictest3008-21apt-get22:15:270
253209915740,99cyclictest5271-21missed_timers22:21:280
253209915726,111cyclictest11675-21ssh22:40:440
253209915721,111cyclictest17013-21memory22:56:220
253209915717,117cyclictest6857-21df_inode20:50:550
253209915626,106cyclictest32021-21apt-get22:05:250
253209915617,114cyclictest32529-21fw_conntrack18:15:440
253209915617,113cyclictest5188-21apt-get18:45:250
253209915617,112cyclictest662-21apt-get18:20:210
253209915610,121cyclictest27825-21zcat20:16:430
253209915514,118cyclictest2786-21fw_conntrack18:30:450
253209915513,118cyclictest15044-21sshd22:50:430
253209915510,101cyclictest8633-21head19:01:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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