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2026-03-18 - 20:06
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Wed Mar 18, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17948217228,112sleep00-21swapper/007:08:080
18236991647,98cyclictest23459-21apt-get09:37:120
182369916439,106cyclictest10250irq/56-4a10000012:08:540
182369916240,102cyclictest26946-21processes09:45:430
18236991618,112cyclictest1305-21snmpd07:35:330
18236991616,111cyclictest27048-21/usr/sbin/munin07:45:110
182369916113,126cyclictest1408-21nginx08:53:160
18236991609,111cyclictest801-21dbus-daemon12:00:020
18236991598,94cyclictest2554-21irqstats12:25:270
18236991579,109cyclictest30599-21ntp_states10:00:440
18236991578,94cyclictest17236-21fw_conntrack09:10:450
18236991578,112cyclictest19341-21apt-get09:21:130
18236991577,91cyclictest12329-21apt-get08:57:120
18236991569,91cyclictest9968-21/usr/sbin/munin08:45:320
18236991569,110cyclictest21434-21users07:20:460
18236991568,108cyclictest26011-21diskstats07:40:200
18236991567,129cyclictest1305-21snmpd10:10:130
18236991559,105cyclictest23706-21ntp_states07:30:390
18236991558,107cyclictest7242-21apt-key08:35:110
182369915540,102cyclictest28863-21ntpq12:00:430
182369915531,84cyclictest20018-21sshd11:25:280
182369915410,111cyclictest19345-21munin-run09:20:040
182369915410,102cyclictest16093-21df11:10:230
18236991539,111cyclictest22508-21irqstats11:35:310
18236991538,104cyclictest495-21runrttasks12:17:120
18236991537,108cyclictest3856-21grep10:21:330
18236991537,106cyclictest3887-21ntp_states12:30:350
18236991529,125cyclictest13575-21runrttasks11:00:440
18236991529,100cyclictest28496-21diskstats07:50:220
18236991526,101cyclictest6982-21chrt08:35:030
182369915240,101cyclictest22463-21ntpq07:25:380
182369915225,103cyclictest22423-21wget09:30:120
18236991518,90cyclictest12045-21df10:55:170
18236991518,122cyclictest1305-21snmpd11:05:120
18236991518,103cyclictest30659-21munin-run08:00:020
182369915121,108cyclictest7086-21sshd10:35:210
18236991508,124cyclictest1408-21nginx12:13:550
18236991508,102cyclictest29545-21users09:55:480
18236991487,120cyclictest14091-21/usr/sbin/munin09:00:140
18236991487,107cyclictest20722-21runrttasks07:20:010
18236991486,122cyclictest1305-21snmpd10:52:100
18236991485,122cyclictest18251-21runrttasks11:19:070
182369914843,93cyclictest23681-21runrttasks11:40:200
182369914825,104cyclictest15328-21/usr/sbin/munin09:05:100
182369914812,118cyclictest1680-21df10:15:160
18236991479,119cyclictest4791-21ntp_states10:25:400
18236991478,97cyclictest8351-21diskstats10:40:230
18236991477,98cyclictest4805-21tr12:35:120
182369914742,91cyclictest1276-21runrttasks09:40:180
182369914739,95cyclictest2879-21seq08:17:110
182369914737,100cyclictest21368-21cat11:30:380
182369914720,108cyclictest32024-21/usr/sbin/munin08:05:240
18236991468,121cyclictest9410-21wget10:45:140
18236991467,118cyclictest26255-21load11:50:310
182369914633,101cyclictest1098-21sshd08:10:270
182369914622,104cyclictest1305-21snmpd08:26:320
182369914620,104cyclictest27702-21/usr/sbin/munin09:50:370
18236991458,104cyclictest1305-21snmpd10:06:580
182369914539,94cyclictest8971-21sshd08:40:270
18236991446,119cyclictest31878-21sshd08:04:490
182369914423,105cyclictest10250irq/56-4a10000009:28:270
18236991439,100cyclictest1223-21fw_conntrack12:20:210
18236991437,114cyclictest24715-21/usr/sbin/munin11:45:110
18236991417,102cyclictest1276-21runrttasks10:30:390
18236991409,118cyclictest18746-21fw_packets11:20:280
18236991407,92cyclictest18549-21fw_conntrack07:10:240
18236991376,88cyclictest3569-21seq08:20:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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