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2026-05-24 - 08:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 50 highest latencies:
System rack5slot7.osadl.org (updated Sun May 24, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10137224620,13sleep05901-1kworker/u3:019:01:300
110979910631,60cyclictest0-21swapper23:38:000
110979910527,69cyclictest0-21swapper23:44:410
110979910430,46cyclictest0-21swapper23:35:000
110979910413,50cyclictest12980-21/usr/sbin/munin21:42:230
110979910332,54cyclictest0-21swapper00:32:500
110979910232,53cyclictest28595-21snmpd00:00:480
110979910229,58cyclictest0-21swapper23:24:340
110979910219,65cyclictest29013-21df_inode00:01:480
110979910218,45cyclictest4981-21fw_conntrack22:51:570
110979910217,62cyclictest9744-21apt-get23:06:130
110979910216,52cyclictest0-21swapper22:03:050
110979910120,61cyclictest2908-21ssh22:46:180
110979910019,39cyclictest25209-21apt-get23:51:130
110979910017,61cyclictest2973-21munin-run00:20:540
110979910013,50cyclictest1950-21ssh22:42:370
110979910011,68cyclictest23510-21grep20:11:190
11097999917,60cyclictest32255-21fw_conntrack22:36:500
11097999916,63cyclictest23877-21fw_conntrack23:46:540
11097999916,42cyclictest26998-21df22:21:370
1109799989,69cyclictest6354-21ssh00:30:440
11097999817,60cyclictest21935-21fw_conntrack22:06:530
11097999816,60cyclictest16403-21df19:31:200
11097999815,63cyclictest30704-21df_inode00:06:450
11097999815,63cyclictest28977-21memory22:27:150
11097999815,62cyclictest27798-21munin-run20:35:530
11097999815,61cyclictest25954-21users22:17:400
11097999815,23cyclictest8378-21df_inode23:01:440
11097999815,23cyclictest13643-21irqstats23:17:020
11097999814,46cyclictest7953-21cpu21:26:280
11097999812,26cyclictest10910-21ssh21:34:560
11097999717,41cyclictest11881-21ntp_states21:37:230
11097999716,59cyclictest17165-21memory23:27:140
11097999714,45cyclictest6084-21apt-get21:21:140
11097999712,25cyclictest555-21ssh00:12:430
11097999633,48cyclictest0-21swapper21:09:150
11097999615,44cyclictest31751-21/usr/sbin/munin22:35:570
11097999614,63cyclictest12526-21munin-node19:11:200
11097999613,64cyclictest17303-21unixbench_singl21:52:390
11097999611,25cyclictest23291-21latency_hist20:10:520
11097999610,27cyclictest736-21diskmemload23:15:020
11097999517,57cyclictest31395-21munin-run20:55:530
11097999511,48cyclictest19618-21ssh22:00:230
11097999423,56cyclictest0-21swapper21:19:180
11097999414,59cyclictest23721-21irqstats22:12:050
11097999412,24cyclictest6386-21grep22:56:230
11097999412,23cyclictest4667-21ssh00:25:510
11097999411,46cyclictest14835-21/usr/sbin/munin21:46:270
11097999317,57cyclictest14268-21users19:17:040
11097999312,62cyclictest11747-21processes19:06:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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