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2026-07-08 - 13:59
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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 Jul 07, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7570991767,107cyclictest24030-21apt-get10:18:190
7570991648,96cyclictest20179-21apt-get12:12:130
7570991617,101cyclictest31575-21runrttasks08:41:340
75709916135,109cyclictest10250irq/56-4a10000009:59:090
75709916135,106cyclictest26723-21sshd12:32:300
7169216181,49sleep01305-21snmpd07:07:090
75709916011,111cyclictest8292-21apt-get09:21:300
7570991597,132cyclictest5859-21wget11:15:230
7570991588,95cyclictest14152-21ntp_states11:46:270
75709915741,103cyclictest17135-21ntpq07:45:370
75709915632,107cyclictest10250irq/56-4a10000010:21:150
7570991559,105cyclictest22024-21wget12:15:240
7570991556,89cyclictest21132-21apt-get10:12:130
7570991549,106cyclictest16879-21users09:50:500
7570991548,92cyclictest27330-21diskstats08:25:220
7570991548,126cyclictest9664-21apt-get07:17:060
7570991547,109cyclictest16928-21ntp_states11:55:420
7570991545,110cyclictest23958-21/usr/sbin/munin08:10:490
75709915449,85cyclictest10150irq/55-4a10000010:35:150
7570991539,101cyclictest13202-21https11:45:070
7570991538,90cyclictest10994-21diskstats11:35:250
7570991538,125cyclictest28385-21cut08:30:140
7570991538,102cyclictest20179-21apt-get12:10:020
7570991525,126cyclictest7055-21/usr/sbin/munin11:20:120
75709915226,108cyclictest1408-21nginx09:45:560
7570991519,126cyclictest19183-21apt-get07:52:120
75709915134,106cyclictest754-21systemd-journal12:03:290
75709915128,102cyclictest3620-21runrttasks09:00:190
7570991508,94cyclictest12531-21apt-get07:32:120
7570991508,105cyclictest1292-21ntp_states08:50:390
7570991507,99cyclictest15420-21sendmail-msp07:40:020
7570991507,124cyclictest23257-21/usr/sbin/munin08:10:020
7570991498,109cyclictest14185-21ntp_states09:40:410
7570991497,125cyclictest27660-21sshd10:31:080
7570991497,124cyclictest29796-21df_inode08:35:200
7570991497,102cyclictest25885-21/usr/sbin/munin08:20:280
75709914935,101cyclictest2010-21node10:46:180
75709914919,109cyclictest9423-21latency_hist11:30:040
7570991489,125cyclictest2566-21ntp_states08:55:440
7570991487,82cyclictest14791-21apt-get11:52:110
7570991487,104cyclictest2010-21node12:39:370
7570991486,105cyclictest12110-21sshd09:32:290
75709914838,96cyclictest801-21dbus-daemon08:00:000
7570991478,102cyclictest9946-21ntp_states11:30:450
7570991477,98cyclictest11170-21cron09:30:010
7570991477,118cyclictest10315-21sshd07:20:160
7570991476,121cyclictest25942-21/usr/sbin/munin10:25:150
7570991476,103cyclictest3503-21df_inode11:05:200
75709914642,92cyclictest1276-21runrttasks10:51:110
75709914632,103cyclictest1276-21runrttasks12:20:430
7570991458,101cyclictest25755-21munin-run08:20:020
7570991457,86cyclictest4731-21df11:10:170
7570991457,104cyclictest20213-21diskstats10:05:210
75709914513,112cyclictest7233-21wget09:15:140
75709914511,98cyclictest29588-21wget10:40:150
7570991448,97cyclictest24462-21grep12:25:130
7570991446,100cyclictest2071-21/usr/sbin/munin11:00:320
75709914416,91cyclictest1408-21nginx07:25:180
7570991438,121cyclictest1077-21chrt10:55:320
75709914330,101cyclictest20981-21wget08:00:150
7570991428,92cyclictest12836-21memory09:35:300
7570991427,93cyclictest32707-21users08:45:480
7570991417,93cyclictest5906-21/usr/sbin/munin09:10:120
75709914028,102cyclictest16103-21tr07:40:470
7570991398,117cyclictest19064-21irqstats10:00:310
7570991388,98cyclictest4851-21df09:05:170
7570991378,118cyclictest7959-21runrttasks07:10:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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