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2025-10-16 - 14:24
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack9slot4.osadl.org (updated Thu Oct 16, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28327112161sleep0-21swapper/122:14:011
284069911332cyclictest30129-21/usr/sbin/munin02:54:500
284069911232cyclictest12343-21if_err_can000:34:340
284069911229cyclictest0-21swapper/000:54:070
284069911229cyclictest0-21swapper/000:54:070
284069911129cyclictest25593-21latency_hist23:49:060
284069911125cyclictest0-21swapper/003:14:260
28406991109cyclictest0-21swapper/001:02:580
284069910832cyclictest13092-21latency_hist23:09:040
69501070irq/18-mmc07677-21ssh02:17:231
28166110670sleep0-21swapper/022:13:450
284069910536cyclictest568-21sh00:14:320
284069910531cyclictest74-21mmcqd/001:59:090
284069910531cyclictest20920-21latency_hist23:34:050
284069910433cyclictest30699-21latency_hist00:09:060
284069910334cyclictest5235-21latency_hist03:09:120
284069910234cyclictest12058-21kernelversion03:19:410
284069910230cyclictest1271-21idleruntime22:29:270
284069910226cyclictest0-21swapper/000:23:260
284069910210cyclictest0-21swapper/022:34:370
284069910192cyclictest6950irq/18-mmc001:05:280
284069910131cyclictest18671-21needreboot23:24:350
284069910077cyclictest0-21swapper/003:38:590
284069910034cyclictest15284-21ntp_kernel_pll_02:29:450
284069910034cyclictest15284-21ntp_kernel_pll_02:29:450
284069910031cyclictest326-21runrttasks02:06:350
284069910029cyclictest27079-21latency_hist23:54:050
284069910023cyclictest0-21swapper/022:54:320
28406999978cyclictest0-21swapper/003:03:370
28406999977cyclictest0-21swapper/001:23:590
28406999944cyclictest14616-21latency_hist23:14:040
28406999931cyclictest18383-21latency00:44:370
28406999910cyclictest0-21swapper/022:25:010
28406999834cyclictest0-21swapper/002:14:100
28406999828cyclictest0-21swapper/002:44:250
28406999824cyclictest0-21swapper/023:40:200
2840699979cyclictest0-21swapper/001:29:340
28406999727cyclictest0-21swapper/002:36:570
28406999722cyclictest0-21swapper/001:49:090
28406999718cyclictest8552-21sh01:24:090
28406999717cyclictest0-21swapper/000:58:080
2840699968cyclictest0-21swapper/001:09:450
28406999638cyclictest3508-21kernelversion01:14:400
28406999633cyclictest0-21swapper/022:49:040
28406999632cyclictest30454-21ssh01:59:500
28406999529cyclictest31796-21unixbench_multi00:09:410
28406999528cyclictest4209-21ssh03:06:120
2840699949cyclictest0-21swapper/022:59:360
28406999483cyclictest6950irq/18-mmc002:29:100
28406999437cyclictest9870-21threads00:29:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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