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2026-01-02 - 04:11
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack5slot2.osadl.org (updated Fri Jan 02, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6542228213,11sleep10-21swapper/119:05:531
8012190175,11sleep00-21swapper/019:07:380
7802184169,11sleep30-21swapper/319:07:253
7972180163,13sleep20-21swapper/219:07:362
99512480,0sleep10-21swapper/121:35:151
132272130,0sleep313230-21latency23:50:163
11579982,3cyclictest31858-21perf22:20:010
11579982,3cyclictest24426-21awk22:05:010
11579970,3cyclictest21830-21perf19:50:010
11579960,3cyclictest4319-21munin-run23:35:010
11579960,3cyclictest29330-21lockfile-create23:20:010
305250,0sleep0427-21/usr/sbin/munin20:10:150
11599952,1cyclictest0-21swapper/223:35:132
11599951,3cyclictest774-21snmpd20:50:442
11589952,1cyclictest0-21swapper/100:25:121
11589951,3cyclictest0-21swapper/122:25:131
11589951,2cyclictest0-21swapper/122:30:131
11589950,2cyclictest0-21swapper/121:00:141
11579953,1cyclictest21947-21cron20:55:010
11579950,1cyclictest26891-21idleruntime-cro22:10:010
11639944,0cyclictest0-21swapper/321:30:123
11639943,1cyclictest3252-21needreboot23:30:173
11639942,1cyclictest30126-21cut22:15:153
11639942,1cyclictest0-21swapper/323:35:123
11639941,1cyclictest0-21swapper/323:55:133
11639941,1cyclictest0-21swapper/300:35:123
11639940,4cyclictest19680-21apt-get21:55:133
11639940,4cyclictest0-21swapper/323:05:143
11639940,4cyclictest0-21swapper/323:00:113
11639940,4cyclictest0-21swapper/322:32:103
11639940,4cyclictest0-21swapper/320:59:553
11639940,4cyclictest0-21swapper/319:55:123
11639940,3cyclictest24641-21/usr/sbin/munin22:05:173
11639940,3cyclictest24452-21cut19:55:013
11639940,3cyclictest15526-21fw_packets20:40:143
11639940,3cyclictest14639-21latency_hist20:40:013
11639940,3cyclictest0-21swapper/319:40:103
11639940,1cyclictest17687-21df_inode22:55:143
11639940,1cyclictest0-21swapper/320:00:113
11599944,0cyclictest0-21swapper/200:00:122
11599943,1cyclictest7265-21/usr/sbin/munin22:35:152
11599943,1cyclictest24732-21/usr/sbin/munin00:15:132
11599941,1cyclictest0-21swapper/222:25:132
11599941,1cyclictest0-21swapper/220:20:112
11599940,4cyclictest9476-21apt-get19:25:102
11599940,4cyclictest2897-21df_inode21:20:132
11599940,4cyclictest17254-21apt-get20:45:112
11599940,4cyclictest14642-21apt-get23:55:142
11599940,4cyclictest12168-21apt-get23:50:112
11599940,4cyclictest12097-21apt-get20:35:152
11599940,4cyclictest0-21swapper/223:33:082
11599940,4cyclictest0-21swapper/223:10:132
11599940,4cyclictest0-21swapper/221:45:192
11599940,4cyclictest0-21swapper/220:15:132
11599940,4cyclictest0-21swapper/200:35:202
11599940,3cyclictest22668-21fschecks_count23:05:162
11599940,3cyclictest15684-21irqstats22:50:182
11599940,3cyclictest15632-21/usr/sbin/munin20:40:152
11599940,3cyclictest14475-21dpkg19:35:012
11599940,3cyclictest1275-21apt-get19:10:122
11599940,3cyclictest0-21swapper/222:25:012
11589944,0cyclictest0-21swapper/121:31:201
11589941,2cyclictest0-21swapper/123:00:111
11589941,2cyclictest0-21swapper/121:15:111
11589941,2cyclictest0-21swapper/121:05:131
11589941,2cyclictest0-21swapper/120:30:151
11589941,2cyclictest0-21swapper/120:25:141
11589941,2cyclictest0-21swapper/120:20:111
11589941,1cyclictest0-21swapper/121:20:111
11589941,1cyclictest0-21swapper/119:10:111
11589940,4cyclictest0-21swapper/123:45:111
11589940,4cyclictest0-21swapper/123:32:061
11589940,4cyclictest0-21swapper/122:38:421
11589940,4cyclictest0-21swapper/121:51:161
11589940,4cyclictest0-21swapper/119:55:001
11589940,4cyclictest0-21swapper/119:30:591
11589940,4cyclictest0-21swapper/119:22:151
11589940,2cyclictest0-21swapper/122:05:151
11589940,2cyclictest0-21swapper/120:35:141
11589940,0cyclictest0-21swapper/122:14:151
11579944,0cyclictest0-21swapper/020:30:230
11579944,0cyclictest0-21swapper/000:10:150
11579942,1cyclictest24491-21cron00:15:010
11579941,3cyclictest13148-21awk22:45:160
11579941,2cyclictest0-21swapper/021:50:120
11579941,2cyclictest0-21swapper/020:00:100
11579941,1cyclictest0-21swapper/023:05:140
11579940,4cyclictest9536-21sendmail-msp22:40:010
11579940,4cyclictest7030-21apt-get23:40:110
11579940,4cyclictest21894-21munin-run23:05:010
11579940,4cyclictest14696-21apt-get22:50:120
11579940,4cyclictest0-21swapper/022:55:120
11579940,4cyclictest0-21swapper/021:55:170
11579940,4cyclictest0-21swapper/000:30:120
11579940,3cyclictest97412sleep022:40:030
11579940,3cyclictest7898-21perl20:25:160
11579940,3cyclictest7291-21sed21:30:000
11579940,3cyclictest7074-21cut22:35:010
11579940,3cyclictest4130-21perl19:15:010
11579940,3cyclictest32089-21/usr/sbin/munin21:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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