<div dir="ltr"><div dir="ltr"><div><p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif"><br></span></p><p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">Hello all,<span></span></span></p>

<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">I am trying t improve my embedded system boot time which
uses systemd. debugging understood that it spends lot time around ~1.3 second
in my iMX6 board running @800MHz on initialization of  the systemd<span></span></span></p>

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<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">plotting  the graph
using “systemd-analyze plot > /tmp/bootime.svg “ i am seeing that, it spend around 1 second
reading config file and generating dyunamic file at /run/systemd. And then it
start executing unit files<span></span></span></p>

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<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">My questions are, since its an embedded system where the
hardware and configuration are always constant once you build the image so all these dynamic stuff reading from files are not required<span></span></span></p>

<p class="gmail-MsoListParagraphCxSpFirst" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">1)<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman"">     
</span></span><span style="font-size:12pt;font-family:"Times New Roman",serif">what all i should be doing to make
the boot faster <span></span></span></p>

<p class="gmail-MsoListParagraphCxSpMiddle" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">2)<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman"">     
</span></span><span style="font-size:12pt;font-family:"Times New Roman",serif">is there a way I can configure the
files statically at compile time, which will reduce the time of reading each file
from eMMC. <span></span></span></p>

<p class="gmail-MsoListParagraphCxSpLast" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">3)<span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman"">     
</span></span><span style="font-size:12pt;font-family:"Times New Roman",serif">How can I disable the mounting of
the root partition from the systemd-generators as I see the kernel mounts it in
my systemd and gets remounted, even though I commented the line in fstab<span></span></span></p>

<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif"><br></span></p><p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman",serif">Thanks for the support<span></span></span></p><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>Dino<br><br><br></div></div></div></div></div></div></div>