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2025-07-15 - 22:45
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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 Tue Jul 15, 2025 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7491991268cyclictest0-21swapper/009:29:570
7254112594sleep0-21swapper/105:14:361
7491991203cyclictest29777-21latency_hist08:39:560
7491991173cyclictest74-21mmcqd/008:04:540
7491991168cyclictest0-21swapper/006:29:510
7491991149cyclictest0-21swapper/008:14:550
7491991128cyclictest0-21swapper/010:44:590
7491991123cyclictest30126-21runrttasks10:30:260
7491991113cyclictest12192-21aten2.4-expect09:05:090
7365111173sleep0-21swapper/005:14:440
7491991103cyclictest30885-21cat06:29:510
7491991098cyclictest0-21swapper/009:59:580
7491991097cyclictest0-21swapper/007:15:250
7491991078cyclictest0-21swapper/005:25:230
7491991075cyclictest6222-21cat06:54:520
7491991073cyclictest3843-21ssh07:55:090
7491991073cyclictest10090-21kworker/u4:206:47:550
74919910711cyclictest26870-21latency_hist08:34:550
7491991065cyclictest28417-21timerandwakeup07:40:380
74919910610cyclictest18307-21diskstats09:15:180
7491991047cyclictest0-21swapper/010:15:010
7491991044cyclictest480-21systemd-journal06:15:240
7491991044cyclictest304-21snmpd07:10:320
7491991044cyclictest304-21snmpd07:10:320
7491991038cyclictest0-21swapper/007:05:260
7491991038cyclictest0-21swapper/007:05:260
7491991038cyclictest0-21swapper/005:15:230
7491991028cyclictest0-21swapper/008:59:560
7491991027cyclictest0-21swapper/007:27:260
7491991027cyclictest0-21swapper/005:24:500
7491991018cyclictest0-21swapper/010:11:450
7491991013cyclictest15333-21latency_hist05:39:500
7491991013cyclictest14603-21latency_hist10:04:570
74919910117cyclictest23097-21latency_hist06:04:510
74919910112cyclictest16378-21cat07:20:250
7491991008cyclictest0-21swapper/008:45:160
7491991007cyclictest0-21swapper/010:38:010
74919910068cyclictest6950irq/18-mmc005:45:020
749199998cyclictest0-21swapper/007:34:530
749199998cyclictest0-21swapper/006:09:510
749199995cyclictest6088-21latency_hist08:54:560
749199987cyclictest0-21swapper/007:46:370
749199986cyclictest0-21swapper/009:20:210
22150980irq/18-spi_topc749199cyclictest09:40:590
749199973cyclictest24212-21ssh10:20:260
749199973cyclictest15908-21idleruntime08:15:200
749199968cyclictest0-21swapper/009:46:110
749199968cyclictest0-21swapper/007:04:530
7491999672cyclictest0-21swapper/008:09:070
7491999658cyclictest74-21mmcqd/006:55:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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