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2025-12-24 - 10:21
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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 Wed Dec 24, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14831220227,50sleep00-21swapper/019:07:360
15187991628,95cyclictest8786-21apt-get23:02:090
151879916131,113cyclictest2010-21node22:12:530
151879916122,117cyclictest1408-21nginx00:03:140
15187991607,106cyclictest30478-21apt-get22:17:060
151879915931,92cyclictest1305-21snmpd21:24:040
151879915920,118cyclictest1305-21snmpd20:45:310
15187991588,130cyclictest1305-21snmpd20:53:580
15187991588,111cyclictest18750-21fw_conntrack21:30:260
151879915847,98cyclictest27604-21/usr/sbin/munin22:05:380
151879915832,108cyclictest1305-21snmpd19:43:430
15187991578,110cyclictest15931-21ntp_states23:25:410
15187991577,111cyclictest8792-21grep23:00:010
151879915723,115cyclictest23136-21wget23:55:340
151879915710,93cyclictest2120-21df20:25:170
15187991566,129cyclictest850-21df20:20:170
15187991566,112cyclictest28861-21munin-run20:05:000
151879915615,118cyclictest1408-21nginx23:49:180
15187991558,128cyclictest12473-21runrttasks21:05:190
15187991556,109cyclictest13215-21/usr/sbin/munin23:15:170
15187991549,91cyclictest31383-21ntp_states22:20:410
15187991549,122cyclictest5183-21ntp_states22:45:410
15187991537,90cyclictest5918-21apt-get22:52:070
15187991536,92cyclictest32607-21apt-get20:18:150
151879915329,105cyclictest1305-21snmpd23:34:310
15187991529,87cyclictest13761-21fw_conntrack21:10:270
15187991529,100cyclictest17470-21df21:25:180
151879915223,90cyclictest15272-21/usr/sbin/munin19:10:210
15187991518,90cyclictest32463-21memory00:30:320
15187991517,126cyclictest18203-21seq23:35:150
15187991517,124cyclictest1305-21snmpd23:24:300
15187991517,105cyclictest5674-21/usr/sbin/munin20:40:360
151879915128,105cyclictest1305-21snmpd19:58:460
15187991509,99cyclictest12165-21munin-plugin-st21:05:010
15187991509,98cyclictest29015-21chrt00:15:510
15187991507,127cyclictest20319-21wget19:30:140
15187991507,106cyclictest30918-21/usr/sbin/munin00:25:450
151879915021,109cyclictest1305-21snmpd23:09:270
151879915020,111cyclictest25595-21wget00:05:150
151879915010,96cyclictest27652-21ntp_states00:11:270
15187991498,99cyclictest2481-21df22:35:180
15187991488,101cyclictest1305-21snmpd23:40:500
15187991486,107cyclictest4348-21sshd22:42:180
151879914842,96cyclictest3186-21basename20:30:140
151879914834,103cyclictest21836-21aten_r7power_po23:50:120
15187991478,97cyclictest1305-21snmpd21:35:480
15187991478,119cyclictest21133-21wget21:40:160
15187991478,105cyclictest1305-21snmpd20:10:250
15187991467,97cyclictest1183-21df00:35:390
151879914636,98cyclictest22535-21runrttasks19:39:180
151879914622,106cyclictest18099-21memory19:20:360
15187991458,125cyclictest12293-21awk23:10:460
15187991458,104cyclictest24382-21ntp_states19:45:390
151879914524,102cyclictest19021-21/usr/sbin/munin19:25:450
151879914520,106cyclictest24848-21wget21:55:140
15187991447,121cyclictest23607-21wget21:50:150
15187991446,117cyclictest1276-21runrttasks22:29:290
15187991439,98cyclictest14975-21diskstats21:15:240
15187991438,117cyclictest1137-21wget22:30:160
15187991437,95cyclictest16509-21/usr/sbin/munin19:15:190
151879914334,99cyclictest30077-21ntp_states00:20:430
151879914321,111cyclictest4601-21df20:35:170
15187991427,115cyclictest22450-21df21:45:190
15187991427,102cyclictest9975-21df20:55:190
15187991419,119cyclictest29286-21memory20:05:330
15187991418,90cyclictest26194-21df22:00:220
15187991378,86cyclictest25423-21df19:50:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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