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2026-04-11 - 14:10
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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 Fri Apr 10, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150799918632,112cyclictest1408-21nginx08:05:480
150799917937,123cyclictest3650irq/20-4900000008:18:180
14746216325,108sleep00-21swapper/007:07:430
150799916225,106cyclictest1305-21snmpd07:36:130
150799916122,118cyclictest809-21systemd-logind12:23:450
150799916019,16cyclictest31598-21wget10:15:140
15079991599,19cyclictest18794-21apt-get07:27:120
150799915946,93cyclictest10150irq/55-4a10000008:00:200
150799915930,113cyclictest10250irq/56-4a10000008:31:050
15079991588,17cyclictest26784-21apt-get12:07:100
15079991577,16cyclictest30949-21apt-get12:18:270
150799915741,106cyclictest18586-21munin-plugin-st09:25:010
150799915728,108cyclictest1305-21snmpd07:11:050
150799915642,95cyclictest10150irq/55-4a10000008:20:410
150799915638,107cyclictest15192-21apt-get11:21:310
150799915638,106cyclictest2212-21grep10:25:490
15079991559,22cyclictest15195-21munin-run11:20:020
15079991557,19cyclictest754-21systemd-journal12:37:170
15079991556,19cyclictest1305-21snmpd10:47:060
150799915535,108cyclictest2010-21node07:24:580
150799915516,15cyclictest10250irq/56-4a10000011:05:480
15079991549,16cyclictest27978-21ntp_states07:56:110
150799915427,108cyclictest14974-21wget09:10:120
150799915426,19cyclictest1305-21snmpd08:41:370
150799915426,109cyclictest18178-21/usr/sbin/munin11:30:080
15079991538,17cyclictest26649-21/usr/sbin/munin09:55:420
150799915335,98cyclictest0-21swapper/007:46:180
150799915325,118cyclictest19657-21seq11:35:250
150799915324,108cyclictest30360-21wget10:10:140
150799915323,117cyclictest20937-21ntp_states07:30:400
150799915234,97cyclictest1408-21nginx10:50:440
15079991517,17cyclictest5337-21apt-get08:37:110
150799915138,97cyclictest3650irq/20-4900000009:07:100
150799915127,113cyclictest10086-21runrttasks08:50:430
150799915123,116cyclictest27845-21apt-config10:00:230
150799915122,20cyclictest23214-21wget11:50:100
15079991506,19cyclictest1305-21snmpd12:12:250
150799915033,104cyclictest2010-21node11:25:530
15079991499,49cyclictest16958-21apt-get09:17:110
15079991497,52cyclictest17172-21apt-get07:17:050
15079991497,24cyclictest1276-21runrttasks07:40:160
150799914944,93cyclictest9256-21runrttasks10:55:130
150799914939,98cyclictest26196-21runrttasks07:50:310
150799914825,19cyclictest21206-21wget09:35:110
15079991477,16cyclictest25534-21munin-run12:00:030
150799914737,100cyclictest12278-21runrttasks09:00:190
150799914736,100cyclictest11280-21runrttasks11:03:350
150799914728,100cyclictest2974-21/usr/sbin/munin08:25:300
150799914639,96cyclictest206862chrt09:31:510
150799914630,105cyclictest8966-21sshd08:45:510
150799914612,113cyclictest22833-21chrt09:40:380
15079991459,16cyclictest19011-21memory09:25:340
15079991457,19cyclictest22155-21fw_forwarded_lo11:45:220
15079991456,21cyclictest10908-21wget08:55:150
150799914531,102cyclictest1276-21runrttasks09:50:130
150799914520,113cyclictest4768-21sshd10:36:160
15079991448,24cyclictest754-21systemd-journal12:30:170
15079991447,20cyclictest31256-21/usr/sbin/munin08:10:110
150799914343,89cyclictest997-21runrttasks10:21:070
150799914337,94cyclictest3038-21sshd10:30:150
150799914325,104cyclictest24338-21sshd09:46:100
150799914316,16cyclictest20951-21if_eth011:40:250
150799914315,17cyclictest12900-21cut11:10:100
15079991429,17cyclictest5951-21grep10:40:480
150799914242,88cyclictest1892-21latency_hist12:30:050
150799914221,110cyclictest25655-21/usr/sbin/munin12:00:080
150799914041,88cyclictest30017-21runrttasks10:08:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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