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2026-08-17 - 08:18
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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 376 highest latencies:
System rack8slot1.osadl.org (updated Mon Aug 17, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18211992923473,0cyclictest0-21swapper23:15:290
18211992869794,0cyclictest0-21swapper22:40:310
18211992780728,0cyclictest17250-21latency_hist21:55:320
18211992604594,0cyclictest1595-21jbd2/hda3-823:55:310
18211992598125,0cyclictest12194-1kworker/0:1H19:45:350
18211992536412,0cyclictest1222-21cron21:10:310
18211992464640,0cyclictest1946-21munin-node22:45:350
18211992446748,0cyclictest32510-21latency_hist19:35:320
18211992438299,0cyclictest12194-1kworker/0:1H21:30:320
18211992434572,0cyclictest1595-21jbd2/hda3-800:10:310
18211992424281,0cyclictest12194-1kworker/0:1H20:40:320
18211992416556,0cyclictest14400-21seq23:20:320
18211992394613,0cyclictest17947-21munin-node23:30:320
18211992359150,0cyclictest12194-1kworker/0:1H21:45:370
18211992353259,0cyclictest12194-1kworker/0:1H22:20:320
18211992353257,0cyclictest12194-1kworker/0:1H20:55:330
18211992344658,0cyclictest9-21ksoftirqd/019:00:320
18211992324268,0cyclictest12194-1kworker/0:1H22:15:320
18211992323812,0cyclictest24810-21latency_hist20:45:350
18211992321650,0cyclictest15944-21latency_hist20:20:320
18211992300492,0cyclictest0-21swapper20:15:320
18211992280455,0cyclictest0-21swapper20:50:320
18211992278227,0cyclictest12194-1kworker/0:1H20:00:320
18211992276532,0cyclictest9-21ksoftirqd/021:50:320
18211992230528,0cyclictest9-21ksoftirqd/019:40:300
18211992210618,0cyclictest9-21ksoftirqd/018:55:290
18211992101215,0cyclictest12194-1kworker/0:1H19:15:320
18211992080517,0cyclictest9-21ksoftirqd/023:26:360
1821199204327,0cyclictest12194-1kworker/0:1H23:54:470
18211992037288,0cyclictest12194-1kworker/0:1H19:55:320
18211992022273,0cyclictest12194-1kworker/0:1H00:20:320
18211992011278,0cyclictest12194-1kworker/0:1H23:00:310
18211992003283,0cyclictest12194-1kworker/0:1H20:05:360
18211991997278,0cyclictest12194-1kworker/0:1H00:15:310
18211991934250,0cyclictest12194-1kworker/0:1H21:40:340
18211991917213,0cyclictest12194-1kworker/0:1H19:30:320
18211991910568,0cyclictest9-21ksoftirqd/022:00:320
18211991909235,0cyclictest12194-1kworker/0:1H23:16:360
18211991804192,0cyclictest12194-1kworker/0:1H19:05:360
18211991791269,0cyclictest12194-1kworker/0:1H22:30:310
18211991785522,0cyclictest9-21ksoftirqd/023:45:360
18211991764210,0cyclictest12194-1kworker/0:1H23:35:320
18211991759227,0cyclictest12194-1kworker/0:1H20:30:320
18211991736258,0cyclictest12194-1kworker/0:1H19:10:330
18211991711630,0cyclictest1595-21jbd2/hda3-800:00:330
18211991672171,0cyclictest12194-1kworker/0:1H23:06:360
18211991666569,0cyclictest9-21ksoftirqd/022:25:350
18211991626563,0cyclictest10146-21cron21:35:320
18211991613247,0cyclictest12194-1kworker/0:1H20:10:320
18211991586260,0cyclictest12194-1kworker/0:1H21:25:360
1821199158531,0cyclictest12194-1kworker/0:1H20:37:450
18211991579299,0cyclictest12194-1kworker/0:1H21:16:360
18211991575499,0cyclictest9-21ksoftirqd/021:06:370
18211991551389,0cyclictest9-21ksoftirqd/021:02:500
18211991525629,0cyclictest22575-21cron22:10:320
18211991513462,0cyclictest9-21ksoftirqd/000:06:360
18211991501511,0cyclictest9-21ksoftirqd/020:26:360
18211991492219,0cyclictest12194-1kworker/0:1H19:20:330
18211991479278,0cyclictest9-21ksoftirqd/021:22:440
18211991478463,0cyclictest22762-21fschecks_time23:42:480
18211991439520,0cyclictest9-21ksoftirqd/022:56:370
1821199143369,0cyclictest12194-1kworker/0:1H22:08:020
18211991424257,0cyclictest9-21ksoftirqd/019:52:530
18211991406229,0cyclictest12194-1kworker/0:1H22:36:360
10113710,0rcuc/016355-21cron18:50:250
18211991327355,0cyclictest1595-21jbd2/hda3-822:52:500
18211991281265,0cyclictest12194-1kworker/0:1H19:27:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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