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</o:shapelayout></xml><![endif]--></head><body lang=NL link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Monitoring a install op a RP2 noticed an memory leak.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’s seems to be caused by irq-balance, it is a known issue for rpi2.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>One of the cave cats of the pi (and many arm boards) is it is not capable of reasonable IRQ offloading.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>All hardware IRQ (the vast majority of IRQ’s) are always handled by cpu 0,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Afaik IRQ-balance can’t do anything.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>My question is what is the motivation to include IRQ balance in the User land?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>BTW it could affect the Banana PI too<o:p></o:p></span></p><p class=MsoNormal>http://forum.lemaker.org/thread-5512-1-1.html<o:p></o:p></p></div></body></html>