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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/documentation/profile-manual/profile-manual-examples.xml | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/documentation/profile-manual/profile-manual-examples.xml')
-rw-r--r-- | yocto-poky/documentation/profile-manual/profile-manual-examples.xml | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/yocto-poky/documentation/profile-manual/profile-manual-examples.xml b/yocto-poky/documentation/profile-manual/profile-manual-examples.xml new file mode 100644 index 000000000..9630c6c30 --- /dev/null +++ b/yocto-poky/documentation/profile-manual/profile-manual-examples.xml @@ -0,0 +1,39 @@ +<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" +"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" +[<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] > + +<chapter id='profile-manual-examples'> + +<title>Real-World Examples</title> + +<para> + This chapter contains real-world examples. +</para> + +<section id='slow-write-speed-on-live-images'> + <title>Slow Write Speed on Live Images</title> + + <para> + In one of our previous releases (denzil), users noticed that booting + off of a live image and writing to disk was noticeably slower. + This included the boot itself, especially the first one, since first + boots tend to do a significant amount of writing due to certain + post-install scripts. + </para> + + <para> + The problem (and solution) was discovered by using the Yocto tracing + tools, in this case 'perf stat', 'perf script', 'perf record' + and 'perf report'. + </para> + + <para> + See all the unvarnished details of how this bug was diagnosed and + solved here: Yocto Bug #3049 + </para> +</section> + +</chapter> +<!-- +vim: expandtab tw=80 ts=4 +--> |