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2026-08-26 - 10:28
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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 Aug 25, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9102220023,149sleep09129-21/usr/sbin/munin07:05:320
9902991768,130cyclictest11283-21wget07:15:120
9902991628,94cyclictest4381-21apt-get08:57:110
9902991628,116cyclictest11651-21ps09:20:450
9902991627,104cyclictest27522-21df10:25:170
9902991618,113cyclictest22165-21df07:55:260
99029916018,112cyclictest19559-21df_inode12:00:190
9902991596,97cyclictest14585-21df_inode11:40:210
9902991587,108cyclictest2010-21node12:14:450
9902991579,110cyclictest18250-21ntp_states07:40:400
9902991567,112cyclictest26924-21wget12:30:180
9902991559,125cyclictest20400-21aten_r7power_en07:50:150
9902991559,125cyclictest15753-21ntp_states07:30:410
9902991558,109cyclictest14512-21ntp_states07:25:400
9902991556,95cyclictest957-21diskstats08:40:240
9902991549,107cyclictest25916-21diskstats08:10:240
9902991548,126cyclictest25979-21sendmail-msp10:20:030
99029915441,101cyclictest2010-21node11:50:410
99029915421,114cyclictest22457-21wget10:05:160
9902991539,106cyclictest29653-21munin-run12:40:020
9902991537,88cyclictest12364-21apt-get07:22:120
9902991536,89cyclictest2258-21apt-get10:57:120
9902991536,128cyclictest18147-21/usr/sbin/munin11:55:140
99029915335,100cyclictest10250irq/56-4a10000008:45:140
9902991528,98cyclictest8507-21apt-get11:17:090
9902991528,110cyclictest10479-21users09:15:500
99029915234,107cyclictest6573-21open_inodes09:00:440
99029915231,101cyclictest9712-21seq11:21:260
99029915224,109cyclictest1305-21snmpd10:36:070
9902991518,99cyclictest7587-21diskstats09:05:220
9902991518,108cyclictest25803-21df12:25:170
9902991518,100cyclictest20882-21cat12:05:410
9902991517,125cyclictest805-21rs:main0
9902991516,88cyclictest11381-21apt-get11:32:130
9902991516,123cyclictest21184-21wget10:00:140
99029915138,102cyclictest1312-21sshd08:00:440
99029915133,107cyclictest8715-21grep09:10:140
99029915127,105cyclictest31069-21/usr/sbin/munin10:40:170
9902991508,101cyclictest26322-21fw_conntrack10:20:250
9902991507,122cyclictest11105-21latency_hist07:15:020
99029915033,99cyclictest4069-21wget11:00:230
99029915010,103cyclictest27176-21fw_conntrack08:15:270
9902991496,126cyclictest2258-21apt10:55:000
9902991489,107cyclictest4383-21/usr/sbin/munin08:55:040
9902991487,123cyclictest1276-21runrttasks09:43:380
99029914843,85cyclictest10150irq/55-4a10000011:25:130
99029914839,98cyclictest30871-21cpuspeed08:30:140
99029914835,102cyclictest19838-21/usr/sbin/munin09:55:270
9902991478,105cyclictest29695-21fw_forwarded_lo08:25:290
99029914739,97cyclictest14061-21runrttasks11:38:300
99029914738,96cyclictest801-21dbus-daemon11:15:020
99029914736,98cyclictest23185-21aten_r7power_po12:15:140
9902991467,113cyclictest24468-21/usr/sbin/munin08:05:130
99029914635,99cyclictest801-21dbus-daemon07:40:020
9902991458,117cyclictest12413-21wget09:25:140
99029914517,109cyclictest23668-21seq10:10:140
9902991446,97cyclictest28768-21df_inode10:30:200
99029914429,96cyclictest5258-21/usr/sbin/munin11:05:150
9902991438,92cyclictest17551-21df09:45:170
9902991438,82cyclictest13931-21memory09:30:310
9902991438,117cyclictest19202-21seq07:45:140
9902991436,117cyclictest32173-21fw_packets08:35:270
9902991427,93cyclictest15028-21grep09:35:150
99029914226,106cyclictest18632-21grep09:50:140
99029914132,89cyclictest32396-21grep10:45:140
9902991408,119cyclictest1305-21snmpd08:20:260
99029913811,116cyclictest24569-21df12:20:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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