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2026-09-14 - 04:05
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Mon Sep 14, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
802599449529,0cyclictest0-21swapper22:38:480
802599382125,0cyclictest0-21swapper23:13:410
80259931353004,0cyclictest0-21swapper20:48:440
8025992686680,0cyclictest9-21ksoftirqd/021:53:470
8025992686634,0cyclictest29232-21latency_hist19:53:470
8025992438226,0cyclictest26074-1kworker/0:1H21:23:490
8025992437262,0cyclictest26074-1kworker/0:1H19:58:480
8025992419218,0cyclictest26074-1kworker/0:1H21:08:460
8025992405233,0cyclictest26074-1kworker/0:1H21:43:500
8025992396248,0cyclictest26074-1kworker/0:1H22:28:460
8025992388233,0cyclictest26074-1kworker/0:1H21:03:500
8025992375542,0cyclictest1595-21jbd2/hda3-819:48:460
8025992363110,0cyclictest26074-1kworker/0:1H23:18:470
8025992355440,0cyclictest9-21ksoftirqd/020:53:470
8025992339690,0cyclictest20404-21munin-node00:08:460
8025992329665,0cyclictest9-21ksoftirqd/020:33:470
8025992326218,0cyclictest26074-1kworker/0:1H22:13:470
8025992322629,0cyclictest9-21ksoftirqd/022:33:470
8025992310618,0cyclictest4537-21latency_hist21:48:460
8025992307624,0cyclictest22163-21latency_hist19:33:470
8025992305661,0cyclictest0-21swapper23:28:460
8025992299261,0cyclictest26074-1kworker/0:1H23:33:470
8025992236655,0cyclictest9890-21munin-node18:58:470
8025992183207,0cyclictest26074-1kworker/0:1H21:18:460
8025992174304,0cyclictest26074-1kworker/0:1H23:58:470
8025992156491,0cyclictest9-21ksoftirqd/000:18:460
8025992152267,0cyclictest26074-1kworker/0:1H19:08:470
8025992103204,0cyclictest26074-1kworker/0:1H22:08:460
8025992069138,0cyclictest26074-1kworker/0:1H22:23:520
8025992068469,0cyclictest9-21ksoftirqd/021:38:460
8025992063479,0cyclictest9-21ksoftirqd/021:33:460
8025992034239,0cyclictest26074-1kworker/0:1H23:53:460
8025992032252,0cyclictest26074-1kworker/0:1H20:38:460
8025992017237,0cyclictest26074-1kworker/0:1H21:28:460
8025992015281,0cyclictest26074-1kworker/0:1H23:48:470
8025992006256,0cyclictest26074-1kworker/0:1H21:58:460
8025991973224,0cyclictest26074-1kworker/0:1H19:13:460
8025991967248,0cyclictest26074-1kworker/0:1H19:18:460
8025991967232,0cyclictest26074-1kworker/0:1H22:48:470
8025991964214,0cyclictest26074-1kworker/0:1H19:43:510
8025991905232,0cyclictest26074-1kworker/0:1H00:13:460
8025991883255,0cyclictest26074-1kworker/0:1H19:23:510
8025991825182,0cyclictest26074-1kworker/0:1H21:13:460
8025991809165,0cyclictest26074-1kworker/0:1H22:43:510
8025991794634,0cyclictest0-21swapper18:53:420
802599179328,0cyclictest130742sleep019:06:210
8025991792651,0cyclictest7530-21which20:23:510
8025991782649,0cyclictest16354-21cut20:48:480
8025991758744,0cyclictest5379-21munin-node23:23:510
8025991716643,0cyclictest9-21ksoftirqd/023:03:510
8025991678231,0cyclictest26074-1kworker/0:1H20:03:510
8025991666239,0cyclictest26074-1kworker/0:1H22:03:500
8025991626224,0cyclictest26074-1kworker/0:1H20:18:480
802599158725,0cyclictest26074-1kworker/0:1H19:41:040
8025991580515,0cyclictest9-21ksoftirqd/000:06:240
8025991536278,0cyclictest1595-21jbd2/hda3-823:41:090
8025991502115,0cyclictest26074-1kworker/0:1H20:08:480
802599145827,0cyclictest26074-1kworker/0:1H20:31:030
8025991451390,0cyclictest4320-21ntpd23:16:100
8025991397730,0cyclictest28616-21sendmail-mta22:56:260
8025991396164,0cyclictest26074-1kworker/0:1H22:58:460
8025991392431,0cyclictest9-21ksoftirqd/018:56:270
8025991386351,0cyclictest1595-21jbd2/hda3-822:21:120
8025991379448,0cyclictest21246-21fschecks_count21:01:110
8025991377427,0cyclictest5251-21fschecks_time20:16:120
8025991356149,0cyclictest26074-1kworker/0:1H23:43:520
8025991334286,0cyclictest9-21ksoftirqd/019:31:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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