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2026-03-10 - 14:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Tue Mar 10, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17703221321,161sleep017473-21/usr/sbin/munin19:05:200
186599917593,72cyclictest0-21swapper/019:10:040
186599916537,108cyclictest21694-21wget19:20:130
186599916451,101cyclictest24937-21/usr/sbin/munin19:31:130
18659991628,110cyclictest7998-21apt-config00:40:090
18659991627,98cyclictest14201-21apt-get23:02:090
18659991607,96cyclictest1214-21chrt00:11:250
186599916020,121cyclictest10010-21wget20:40:130
18659991597,114cyclictest32197-21sshd00:06:190
18659991588,96cyclictest27055-21apt-get23:52:080
186599915827,111cyclictest30524-21sendmail-msp22:00:020
186599915821,117cyclictest1408-21nginx20:26:450
18659991579,101cyclictest21283-21apt-get19:18:170
186599915754,86cyclictest101ktimersoftd/022:47:180
18659991568,127cyclictest19824-21sshd21:17:180
186599915645,100cyclictest13591-21runrttasks22:55:460
18659991559,111cyclictest25527-21munin-run21:40:030
186599915546,89cyclictest10150irq/55-4a10000000:20:220
186599915527,110cyclictest10250irq/56-4a10000023:28:310
18659991547,111cyclictest1336-21apt-get22:12:070
18659991538,85cyclictest32144-21apt-get22:07:080
18659991538,103cyclictest31869-21chrt20:00:020
18659991538,102cyclictest2010-21node00:17:320
18659991537,127cyclictest27051-21sh23:50:020
186599915318,115cyclictest28327-21wget19:45:140
18659991527,91cyclictest4519-21diskstats00:25:260
18659991527,91cyclictest3677-21ntp_states20:15:410
18659991527,86cyclictest30501-21apt-get22:02:090
186599915238,100cyclictest11337-21sshd20:45:180
18659991518,123cyclictest27115-21wget19:40:140
18659991517,105cyclictest15292-21ntp_states21:00:380
186599915125,107cyclictest1305-21snmpd19:36:180
18659991508,122cyclictest7479-21wget20:30:120
18659991508,105cyclictest20482-21df21:20:180
18659991507,126cyclictest17763-21apt-key21:10:170
186599915037,99cyclictest16339-21ntpq23:05:360
18659991499,106cyclictest17329-21apt-config21:10:050
18659991498,98cyclictest3864-21apt-get22:17:050
18659991496,120cyclictest1305-21snmpd19:25:230
18659991488,99cyclictest1916-21sh20:10:000
18659991488,120cyclictest28135-21/usr/sbin/munin21:50:170
18659991487,106cyclictest12141-21memory22:50:310
18659991486,120cyclictest8668-21/usr/sbin/munin20:35:120
186599914844,92cyclictest8292-21sshd22:35:190
18659991477,89cyclictest17437-21/usr/sbin/munin23:10:270
18659991477,120cyclictest18465-21wget23:15:130
18659991477,119cyclictest24991-21runrttasks23:40:300
18659991469,103cyclictest20022-21memory23:20:320
18659991468,121cyclictest14012-21chrt20:55:370
18659991468,103cyclictest21716-21df21:25:160
18659991467,119cyclictest26897-21/usr/sbin/munin21:45:150
186599914640,86cyclictest29668-21sshd19:50:170
186599914632,103cyclictest4372-21/usr/sbin/munin22:20:520
18659991458,94cyclictest9542-21df22:40:180
18659991458,116cyclictest22191-21/usr/sbin/munin23:30:500
18659991458,103cyclictest2093-21aten_r7power_en20:10:140
18659991449,98cyclictest22956-21df21:30:160
186599914411,114cyclictest5719-21https20:25:070
18659991438,122cyclictest29200-21ntp_states23:55:400
18659991437,117cyclictest5542-21/usr/sbin/munin00:30:400
186599914322,102cyclictest12434-21wget20:50:130
186599914317,86cyclictest6849-21/usr/sbin/munin22:30:150
186599914133,98cyclictest23653-21cat23:35:240
186599914129,100cyclictest26546-21sshd21:43:060
18659991407,114cyclictest6530-21sshd22:28:190
18659991397,120cyclictest31226-21apt-get00:05:020
18659991358,116cyclictest32207-21chrt20:00:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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