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2026-05-09 - 11:13
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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 rack4slot2.osadl.org (updated Sat May 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502450,0irq/45-4a100000309512sleep019:02:530
312029913240,0cyclictest21311-21/usr/sbin/munin23:20:200
312029913139,0cyclictest18152-21/usr/sbin/munin23:10:300
312029912736,0cyclictest10904-21/usr/sbin/munin21:15:060
312029912638,0cyclictest0-21swapper00:05:560
312029912632,0cyclictest32166-21runrttasks22:16:420
312029912629,0cyclictest4716-21runrttasks22:30:510
312029912442,0cyclictest0-21swapper21:26:250
312029912441,0cyclictest0-21swapper22:59:200
312029912340,0cyclictest0-21swapper23:27:330
312029912339,0cyclictest0-21swapper19:32:570
312029912334,0cyclictest31544-21memory20:40:170
312029912330,0cyclictest16864-21runrttasks19:57:310
312029912328,0cyclictest16739-21runrttasks23:06:260
312029912242,0cyclictest0-21swapper21:07:400
312029912238,0cyclictest6549-21runrttasks21:01:560
312029912238,0cyclictest28851-21runrttasks23:42:340
312029912234,0cyclictest21037-21seq21:45:000
312029912231,0cyclictest32457-21runrttasks23:54:090
312029912141,0cyclictest18596-21runrttasks21:37:390
312029912141,0cyclictest0-21swapper00:00:090
312029912134,0cyclictest31656-21fschecks_count19:05:000
312029912134,0cyclictest27521-21cut22:04:440
312029912133,0cyclictest5386-21aten_r4power_vo19:24:480
312029912042,0cyclictest0-21swapper20:57:350
312029912038,0cyclictest1853-21latency_hist20:49:390
312029912033,0cyclictest22009-21runrttasks20:12:470
312029912033,0cyclictest14361-21if_eth023:00:110
312029912028,0cyclictest575-21munin-node19:09:420
312029911948,0cyclictest12-21ksoftirqd/000:30:070
312029911944,0cyclictest0-21swapper22:14:010
312029911939,0cyclictest0-21swapper23:37:560
312029911934,0cyclictest10329-21latency_hist22:49:370
312029911841,0cyclictest0-21swapper19:14:450
312029911830,0cyclictest5581-21df_abs22:34:520
312029911830,0cyclictest15582-21aten_r4power_en21:29:450
312029911830,0cyclictest12014-21idleruntime-cro22:54:350
312029911747,0cyclictest12-21ksoftirqd/019:39:550
312029911743,0cyclictest0-21swapper23:55:190
312029911741,0cyclictest0-21swapper23:15:360
312029911740,0cyclictest0-21swapper22:00:080
312029911740,0cyclictest0-21swapper20:48:250
312029911739,0cyclictest0-21swapper21:56:260
312029911642,0cyclictest12-21ksoftirqd/000:15:150
312029911642,0cyclictest0-21swapper20:20:210
312029911641,0cyclictest0-21swapper00:12:430
312029911635,0cyclictest19012-21aten_r4power_en20:04:460
312029911632,0cyclictest1161-21timerandwakeup22:20:300
312029911631,0cyclictest0-21swapper20:18:150
312029911547,0cyclictest0-21swapper19:53:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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