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2026-03-09 - 18:44
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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 Mon Mar 09, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24522222333,54sleep00-21swapper/007:05:340
25122991708,121cyclictest7536-21irqstats10:15:310
25122991697,108cyclictest15910-21apt-config10:50:050
251229916929,120cyclictest11977-21df08:25:230
25122991627,98cyclictest15853-21apt-get10:52:100
251229916237,85cyclictest22358-21runrttasks11:14:150
25122991619,107cyclictest13730-21vmstat08:30:500
25122991599,111cyclictest29356-21runrttasks07:25:390
25122991598,101cyclictest1187-21df09:50:180
25122991588,128cyclictest30111-21sshd11:43:140
251229915840,106cyclictest27907-21sshd07:20:160
25122991579,91cyclictest23723-21apt-get11:17:560
25122991579,116cyclictest27587-21munin-run07:20:020
25122991568,111cyclictest26716-21munin-run09:25:010
25122991548,126cyclictest17828-21/usr/sbin/munin10:55:250
25122991548,111cyclictest9375-21ntp_states08:15:390
25122991539,118cyclictest27216-21runrttasks09:25:360
25122991538,126cyclictest25818-21users07:10:490
251229915322,92cyclictest4298-21wget12:10:090
25122991528,110cyclictest31234-21seq11:47:130
251229915224,109cyclictest9348-21wget12:30:120
251229915223,112cyclictest787-21haveged08:55:140
25122991518,123cyclictest8515-21/usr/sbin/munin10:20:110
25122991518,121cyclictest20503-21open_files11:05:420
25122991518,102cyclictest6730-21fw_conntrack08:05:250
25122991516,94cyclictest31744-21seq09:42:140
251229915136,104cyclictest30505-21sshd07:30:290
25122991509,129cyclictest5130-21munin-run08:00:010
25122991509,103cyclictest30492-21https09:40:080
25122991509,101cyclictest1305-21snmpd10:05:160
25122991508,98cyclictest423-21df_inode07:40:190
25122991508,103cyclictest1305-21snmpd10:10:180
25122991507,123cyclictest1305-21snmpd09:10:290
25122991506,106cyclictest1305-21snmpd10:25:250
25122991499,119cyclictest1305-21snmpd09:55:120
25122991498,121cyclictest546-21wget11:55:180
25122991498,119cyclictest1904-21ntp_states07:45:390
25122991498,107cyclictest8037-21irqstats08:10:310
25122991497,108cyclictest17064-21diskstats08:45:210
25122991496,122cyclictest18647-21mailstats08:50:460
25122991488,123cyclictest4419-21sshd10:03:090
25122991487,101cyclictest10672-21df_inode12:35:150
25122991486,122cyclictest26705-21/usr/sbin/munin11:30:230
251229914831,97cyclictest15616-21/usr/sbin/munin08:40:130
25122991477,88cyclictest11291-21irqstats10:30:320
25122991477,86cyclictest20798-21diskstats09:00:210
25122991476,122cyclictest32400-21chrt11:51:350
251229914735,98cyclictest10250irq/56-4a10000010:37:010
25122991469,124cyclictest5457-21df_inode08:00:180
25122991468,117cyclictest19095-21seq11:00:280
25122991467,119cyclictest3128-21ntpq07:50:360
25122991467,106cyclictest13733-21fw_forwarded_lo10:40:290
25122991467,106cyclictest1305-21snmpd12:06:000
25122991467,102cyclictest8383-21ntp_states12:25:380
251229914538,95cyclictest801-21dbus-daemon09:10:010
25122991448,121cyclictest6259-21apt-get12:17:110
25122991446,100cyclictest10367-21wget08:20:140
251229914438,92cyclictest14911-21seq08:35:460
251229914337,95cyclictest24931-21vmstat09:15:500
251229914336,95cyclictest754-21systemd-journal11:35:050
251229914330,102cyclictest1993-21fw_conntrack12:00:250
25122991427,101cyclictest31633-21sshd07:35:180
251229914214,116cyclictest25671-21diskstats11:25:210
25122991418,98cyclictest24850-21runrttasks11:20:530
251229914123,100cyclictest1305-21snmpd12:21:040
25122991406,115cyclictest1305-21snmpd09:45:330
251229914040,88cyclictest29020-21runrttasks09:33:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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