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authorAndrew Geissler <geissonator@yahoo.com>2020-10-16 18:22:50 +0300
committerAndrew Geissler <geissonator@yahoo.com>2020-10-19 20:45:27 +0300
commitaf5e4ef732faedf66c6dc1756432e9de2ac72988 (patch)
tree8f49154a7382b1beb2c3a2b50a6e7c632484fa25 /poky/documentation/profile-manual/profile-manual-intro.xml
parent36fe5df200a94e3ce82ba2dcad16c0a4127f6d46 (diff)
downloadopenbmc-af5e4ef732faedf66c6dc1756432e9de2ac72988.tar.xz
poky: subtree update:b23aa6b753..ad30a6d470
Armin Kuster (1): timezone: update to 2020b Bruce Ashfield (7): linux-yocto/5.4: fix kprobes build warning linux-yocto/5.4: update to v5.4.67 linux-yocto/5.8: update to v5.8.11 linux-yocto/5.4: update to v5.4.68 linux-yocto/5.8: update to v5.8.12 linux-yocto/5.4: update to v5.4.69 linux-yocto/5.8: update to v5.8.13 Fabio Berton (1): weston-init: Add environment file support for systemd unit file Jon Mason (5): armv8/tunes: Move TUNECONFLICTS armv8/tunes: reference parent's TUNE_FEATURES armv8/tunes: Add tunes for supported ARMv8a cores armv8/tunes: Add tunes for supported ARMv8.2a cores tune-cortexa32: fix cortexa32 tune Joshua Watt (2): classes/sanity: Bump minimum python version to 3.5 classes/waf: Add build and install arguments Khem Raj (3): systemd: Use ROOTPREFIX without suffixed slash in systemd.pc.in musl: Update to master strace: Fix value of IPPROTO_MAX Martin Jansa (3): base.bbclass: use os.path.normpath instead of just comparing WORKDIR and S as strings mtd-utils: don't use trailing slash in S base.bbclass: warn when there is trailing slash in S or B variables Michael Thalmeier (1): IMAGE_LOCALES_ARCHIVE: add option to prevent locale archive creation Naoki Hayama (3): uninative: Fix typo in error message local.conf.sample: Fix comment typo local.conf.sample.extended: Fix comment typo Naveen Saini (2): linux-yocto: update genericx86* SRCREV for 5.4 linux-yocto: update genericx86* SRCREV for 5.8 Nicolas Dechesne (8): bitbake: docs: ref-variables: add links to terms in glossary bitbake: docs: sphinx: replace special quotes with double quotes bitbake: docs: update README file after migrationg to Sphinx bitbake: docs: sphinx: report errors when dependencies are not met bitbake: sphinx: remove DocBook files bitbake: sphinx: rename Makefile.sphinx sphinx: remove DocBook files sphinx: rename Makefile.sphinx Peter Kjellerstedt (1): tune-cortexa65.inc: Correct TUNE_FEATURES_tune-cortexa65 Quentin Schulz (4): docs: ref-manual: ref-variables: fix one-letter pointer links in glossary docs: ref-manual: ref-variables: fix alphabetical order in glossary docs: ref-manual: ref-variables: add links to terms in glossary bitbake: docs: static: theme_overrides.css: fix responsive design on <640px screens Richard Purdie (25): glibc: do_stash_locale must not delete files from ${D} libtools-cross/shadow-sysroot: Use nopackages inherit pseudo: Ignore mismatched inodes from the db pseudo: Add support for ignoring paths from the pseudo DB pseudo: Abort on mismatch patch psuedo: Add tracking of linked files for fds pseudo: Fix xattr segfault pseudo: Add may unlink patch pseudo: Add pathfix patch base/bitbake.conf: Enable pseudo path filtering wic: Handle new PSEUDO_IGNORE_PATHS variable pseudo: Fix statx function usage bitbake.conf: Extend PSEUDO_IGNORE_PATHS to ${COREBASE}/meta docs: Fix license CC-BY-2.0-UK -> CC-BY-SA-2.0-UK abi_version,sanity: Tell users TMPDIR must be clean after pseudo changes pseudo: Update to account for patches merged on branch pseudo: Upgrade to include mkostemp64 wrapper poky.conf: Drop OELAYOUT_ABI poking bitbake: command: Ensure exceptions inheriting from BBHandledException are visible bitbake: tinfoil: When sending commands we need to process events scripts/oe-build-perf-report: Allow operation with no buildstats oe-build-perf-report: Ensure correct data is shown for multiple branch options skeleton/baremetal-helloworld: Fix trailing slash oeqa/selftest/runtime_test: Exclude gpg directory from pseudo database bitbake: process: Show command exceptions in the server log as well Ross Burton (10): bjam-native: don't do debug builds coreutils: improve coreutils-ptest RDEPENDS parted: improve ptest devtool: remove unused variable selftest: skip npm tests if nodejs-native isn't available selftest: add test for recipes with patches in overrides devtool: fix modify with patches in override directories boost: build a standalone boost.build boost: don't specify gcc version boost: consolidate and update library list Usama Arif (1): kernel-fitimage: generate openssl RSA keys for signing fitimage Victor Kamensky (2): qemu: add 34Kf-64tlb fictitious cpu type qemumips: use 34Kf-64tlb CPU emulation Yann Dirson (1): rngd: fix --debug to also filter syslog() calls Yoann Congal (1): bitbake-bblayers/create: Make the example recipe print its message Signed-off-by: Andrew Geissler <geissonator@yahoo.com> Change-Id: I7139cb04b43f722a2118df5346a7a22a13c6a240
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-<!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; ] >
-<!--SPDX-License-Identifier: CC-BY-2.0-UK-->
-
-<chapter id='profile-manual-intro'>
-
-<title>Yocto Project Profiling and Tracing Manual</title>
- <section id='profile-intro'>
- <title>Introduction</title>
-
- <para>
- Yocto bundles a number of tracing and profiling tools - this 'HOWTO'
- describes their basic usage and shows by example how to make use
- of them to examine application and system behavior.
- </para>
-
- <para>
- The tools presented are for the most part completely open-ended and
- have quite good and/or extensive documentation of their own which
- can be used to solve just about any problem you might come across
- in Linux.
- Each section that describes a particular tool has links to that
- tool's documentation and website.
- </para>
-
- <para>
- The purpose of this 'HOWTO' is to present a set of common and
- generally useful tracing and profiling idioms along with their
- application (as appropriate) to each tool, in the context of a
- general-purpose 'drill-down' methodology that can be applied
- to solving a large number (90%?) of problems.
- For help with more advanced usages and problems, please see
- the documentation and/or websites listed for each tool.
- </para>
-
- <para>
- The final section of this 'HOWTO' is a collection of real-world
- examples which we'll be continually adding to as we solve more
- problems using the tools - feel free to add your own examples
- to the list!
- </para>
- </section>
-
- <section id='profile-manual-general-setup'>
- <title>General Setup</title>
-
- <para>
- Most of the tools are available only in 'sdk' images or in images
- built after adding 'tools-profile' to your local.conf.
- So, in order to be able to access all of the tools described here,
- please first build and boot an 'sdk' image e.g.
- <literallayout class='monospaced'>
- $ bitbake core-image-sato-sdk
- </literallayout>
- or alternatively by adding 'tools-profile' to the
- EXTRA_IMAGE_FEATURES line in your local.conf:
- <literallayout class='monospaced'>
- EXTRA_IMAGE_FEATURES = "debug-tweaks tools-profile"
- </literallayout>
- If you use the 'tools-profile' method, you don't need to build an
- sdk image - the tracing and profiling tools will be included in
- non-sdk images as well e.g.:
- <literallayout class='monospaced'>
- $ bitbake core-image-sato
- </literallayout>
- <note><para>
- By default, the Yocto build system strips symbols from the
- binaries it packages, which makes it difficult to use some
- of the tools.
- </para><para>You can prevent that by setting the
- <ulink url='&YOCTO_DOCS_REF_URL;#var-INHIBIT_PACKAGE_STRIP'><filename>INHIBIT_PACKAGE_STRIP</filename></ulink>
- variable to "1" in your
- <filename>local.conf</filename> when you build the image:
- </para>
- </note>
- <literallayout class='monospaced'>
- INHIBIT_PACKAGE_STRIP = "1"
- </literallayout>
- The above setting will noticeably increase the size of your image.
- </para>
-
- <para>
- If you've already built a stripped image, you can generate
- debug packages (xxx-dbg) which you can manually install as
- needed.
- </para>
-
- <para>
- To generate debug info for packages, you can add dbg-pkgs to
- EXTRA_IMAGE_FEATURES in local.conf. For example:
- <literallayout class='monospaced'>
- EXTRA_IMAGE_FEATURES = "debug-tweaks tools-profile dbg-pkgs"
- </literallayout>
- Additionally, in order to generate the right type of
- debuginfo, we also need to set
- <ulink url='&YOCTO_DOCS_REF_URL;#var-PACKAGE_DEBUG_SPLIT_STYLE'><filename>PACKAGE_DEBUG_SPLIT_STYLE</filename></ulink>
- in the <filename>local.conf</filename> file:
- <literallayout class='monospaced'>
- PACKAGE_DEBUG_SPLIT_STYLE = 'debug-file-directory'
- </literallayout>
- </para>
- </section>
-</chapter>
-<!--
-vim: expandtab tw=80 ts=4
--->