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2026-06-08 - 00:08
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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 20 highest latencies:
System rack7slot3.osadl.org (updated Sun Jun 07, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22402262317sleep2239-21cpufreq07:09:120
226699265236cyclictest20739-21/usr/sbin/munin08:29:160
226699262234cyclictest10561-21chrt12:25:390
226699261237cyclictest20308-1kworker/0:2H09:20:190
226699258233cyclictest2959-21runrttasks09:31:150
226699258232cyclictest13424-21sleep12:38:530
226699256229cyclictest20308-1kworker/0:2H11:27:560
226699253222cyclictest6123-21munin-node0
226699253191cyclictest12895-21ssh10:14:120
226699251221cyclictest2719-21lxpanel07:49:020
22669925064cyclictest59-21jbd2/mmcblk0p2-08:39:460
226699250225cyclictest26693-21runrttasks11:14:490
226699250224cyclictest31734-21apt-get09:16:150
226699250221cyclictest7231-21fschecks_time07:29:470
226699250220cyclictest6879-21latency_hist12:09:500
226699250220cyclictest5502-21netwatch12:02:590
226699250220cyclictest25348-21latency_hist11:09:330
226699250219cyclictest9880-21if_eth010:00:410
226699250217cyclictest9270-21munin-node0
22669924949cyclictest18123-21ntp_states10:36:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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