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Instead of a significant number of calls to waitpid, register a SIGCHLD
handler instead.
(Bitbake rev: 76029d08ad56a0a264ff9738a0336971a455b7f5)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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When idle functions finish, its likely we have some other work
to do, so don't sleep in the select call but instead, skip it.
This removes small amounts of latency in common commands.
(Bitbake rev: 069d6538f83b607cb46c6fe21bf6c596e8b99242)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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When the server exits, we no longer appear to need this delay. This
is likely due to improvements in the various exit codepaths. There
is therefore no longer any point in taking the latency hit.
(Bitbake rev: 8e75ee29ae07e13f23525c5c6045fbf6cdbe7675)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Its not possible to notice the change of status of an Event() in
the select call we sleep in. It would be possible in python 3.3 but
for now use a pipe instead. This removes small latency when bitbake
commands finish since the system doesn't sit in the select call.
(Debugging these kind of issues is apparent by setting a long sleep
for the select call)
(Bitbake rev: def28239b0f0d5f1cf13214b263114a5328538b7)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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There is no point in waiting 0.25s for when we should be processing
the shutdown. This simply reordering removes latency from the
bitbake command.
(Bitbake rev: f147b41bcaf9d05b5ba3a70100f1ca799979aee7)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The continue statement was missing for this event and the event was then
listed in the "known safe to ignore list". Clean this up.
(Bitbake rev: c4ee342300bf905e6e3bef581c61b86289461536)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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A run of "bitbake bash -c unpack" when the task has already been
completed resulted in about 9000 calls to logger.debug(). With this
patch which comments out some noisy/less usefull logging and moves
other logging calls outside loops, this number is reduced to 1000
calls. This results in cleaner logs and gives a small but
measurable 0.15s speedup. The log size dropped from 900kb to 160kb.
(Bitbake rev: d2677f084fe1d8846db77d89ef5e6ffb18dc171a)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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If the cooker receives a SIGTERM it currently hangs using 100% CPU,
This patch adds in an intercept for the event and puts the cooker into
shutdown mode allowing it to exit cleanly/safely and avoiding the hang.
(Bitbake rev: 00c22434123739b0819b31d7b1d353901a3e12da)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Currently a SIGTERM to the UI process causes the UI simply to lock up.
By setting an exit flag, the waitEvent can raise a SIGINT, allowing the
UI to break out the event loop and exit. Currently this is results in a
traceback but that is more desirable than a hanging process.
(Bitbake rev: 0d12041eceeae6bba2034b04913bb13abd67bd15)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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of a manger
The use of a manager in the process server causes some issues since it remains
around for the lifetime of the server even though its only used during
initialisation and the system doesn't respond well to SIGTERM events
to the extra process (and two threads) the implementation involves.
Switching to a dedicated command simplifies the server process structure.
(Bitbake rev: 74532a7cf8ccea8b85f1cda5d5bc23d2f3c72a08)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Add a command to allow backends to set particular 'features' on the
cooker (server).
(Bitbake rev: f547d6ec6cfd677d71fa96dd3c69823c00dc6c69)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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If the worker has already gone missing (e.g. SIGTERM), we should
gracefully handle the write failures at exit time rather than throwing
ugly tracebacks.
(Bitbake rev: 1b1672e1ceff17fc4ff8eb7aa46f59fce3593873)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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If the worker (or fakeworker) process disappears for some reason, the
system doesn't currently even notice. To fix this, we call waitpid
periodically, looking for exit events of our children. If these
occur, we can gracefully shutdown the server.
(Bitbake rev: ee28ddadaa7ef91e4d4b7d22fc267382aaad6d01)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Currently if bitbake-worker handles a SIGTERM, it leaves the child
processes to complete or hang. It shouldn't do this so hook the SIGTERM
event and gracefully shutdown any children.
(Bitbake rev: 551406f3f9ee94de09d2da6e16fea054c6dbfdb7)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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When an exception occurred, the terminal parameters (such as echo)
may not be reset correctly. This change ensures they do get
atexit time in all cases, avoiding the terminal corruption issues
that could sometimes occur.
(Bitbake rev: e1d89166f2dfe46412ff9a5610dd57b0cef74fe3)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Applied review edits from Paul Eggleton spanning the entire book.
Small areas affected in all chapters except the "Hello World"
Appendix.
Noteworthy changes in the variables chapter where I added two new
variables: BBINCLUDELOGS_LINES and BB_CONSOLELOG.
(Bitbake rev: 2d4b09be70c6df0c1605f7e291149c682999cf50)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Review of the entire manual by Paul. I have implemented his
suggestions throughout.
(Bitbake rev: 5cd310d1df194cd171691a4bcfb98024e2bc66b8)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: fbbd4cd54753a5d91b5c342d60d007bd2b172570)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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variable
Added some clarification around who would like to set this
variable and why.
(Bitbake rev: 97acce37528ed11165e37996c7076de46c349b0a)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: d4328e2df355252870c3bf01031538a77795cedb)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: 71e314b86957ecc01d77262d0a000f6f31db2bcc)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Applied various changes from Richard Purdie's review of the
"Execution" chapter.
(Bitbake rev: 714c0e93bc2d1ae6227991a1c6e4c88504c1870c)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Applied the comprehensive set of review comments from Richard
Purdie. All files affected. One major point here was that the
"BitBake Command" chapter was eliminated. This information was
folded into various areas of the book. Consequently, the bits
including the file for make had to be updated.
(Bitbake rev: 8ec38c6b456a92a0e0b9b04c2793a5b148be5027)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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I took Bill's chapter and made it into an appendix. I did some
re-writing to make it not so much like a getting-started feel,
although it still leans way that way for an appendix. The content
is not complete.
Had to add in a line to the user-manual.xml file so that the
new appendix would be part of the book.
Had to use a different form of the command in the
user-manual-cusomization.xsl file in order to not through a bunch
of errors for an unrecognized parameter value. I commented out
the existing one.
(Bitbake rev: 80e9306c288ca2ab42585f99fb0f396253cb8253)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Based on a Richard Purdie re-write.
(Bitbake rev: fad9a6258f8c04bbe0168e46898dd27b86c39ee0)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changed the title of the chapter to "Syntax and Operators". It
was called "Metadata".
Removed the bulk the "Checksums (Signatures)" section and the
placeholder for "Setscene". These are now in the "Execution"
chapter.
Created a more appropriate overview blurb to start the chapter.
(Bitbake rev: f955171d8468ed987f92146d39f52d9af4a03dbb)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The link no longer applied as it was linking to a removed
section from the "Execution" chapter.
(Bitbake rev: de1c316a3f5f382c66b58ad2539b4fadb0f000db)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Significant review changes implemented from Richard Purdie.
* Eliminated the lifted text from the "Closer Look" chapter
of the YP ref-manual.
* Added the "BitBake" chapter in from the YP ref-manual.
* Significant re-writes and suggestions throughout the
entire chapter.
(Bitbake rev: 4a740385a4720e040af3d329d9c7cc77b03e7f46)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Applied review edits to the introduction chapter as suggested
by Richard Purdie.
(Bitbake rev: c6c912cf875766036b91af785f257f64ff07146c)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This is a rough draft of the chapter. Major sections are in
place. We need to scrub content now.
Seems like the discussion of BBFILES fit better in this
execution flow chapter. So, I moved it above the parsing
section.
(Bitbake rev: 6c4c6fb689b88dbefe63f0062b78d8403fb80d41)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Added the append files and layer subsections.
(Bitbake rev: 38c3ead4ac8036ac88e83a938aa4ce484d4a6a84)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: 5aa6679aa8b5b6b8bf4b43cabde04072498ccea4)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Basic re-write to clean up text and flow.
(Bitbake rev: 0f82dc4c22ce015bef87fd5aae0b6fa3e429016e)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This commit added need files, cleaned up bogus links, and
adjusted the build file, which is user-manual.xml.
The new chapter file is "user-manual-execution.xml". The file
has base text from the bitbake section from the "Closer Look"
chapter of the YP ref-manual. This means that I had to initially
include some figures from that book for now. I am not including
them as part of this commit though as they will likely get renamed.
I made sure that all links were removed that were specific to the
YP ref-manual.
Another change was in the user-manual.xml file to include
the new chapter as part of the build.
Another block of text for the new chapter was the "Running a Task"
section from the user-manual-metadata.xml file. Consequently, that
section was deleted from the "Metafile" chapter.
Another block of text for the new chapter was the "Parsing
and Execution" section from the user-manual-metadata.xml file.
Consequently, that section was deleted from the "Metafile chapter.
(Bitbake rev: f3b21d1fb711f9625d2ac92d4f4fe0f269242bd7)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Describes purpose and qualifies some stuff.
(Bitbake rev: b9704a367cccd85931fa4fb779d273a27361d503)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The note provides some information in general about the variables
that are part of the glossary.
(Bitbake rev: 8bcc6d1f1ef4e647ad6153ed7a9e0bd5bc62cf0b)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: f74045d9ac88aece1d6f8d6a95389d01971ffdac)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Using Python"
Rewrote this section. Used a table instead of the funky list
that was there. I still need to format it some.
Also fixed up the term "datastore". It should not be "data store"
(Bitbake rev: ee23839596102ccd58e028c10471438f2eb37feb)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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General edits and dumping of the useless "Overview" section.
(Bitbake rev: b11ad97b9334a86b2f3b10bdf5597910854475bd)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Mechanism" section.
Some general rewrites here.
(Bitbake rev: 7149ab6f6e936c19d681f05aa64b123c10f2f3da)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: 0ee8e8db8475903754d519c5e6d7ec8e52ba9c85)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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General cleanup of the text.
(Bitbake rev: 112dd4279826dc7587e1b8acb4a107374b5bd0fd)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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I went through and created links for variables we reference that
are in the glossary. I also re-wrote much of the text to just
clean it up.
(Bitbake rev: dd9a4422d387da45f6de945eb4944c2a06bc98a0)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Worked through this section with Richard providing an interactive
review. The changes are after the review. There was also a
small edit to the "Tasks" section.
(Bitbake rev: cba57f8d900d7c3ed8da9fcab0697e3047476325)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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I cleaned up this section with some general improvements.
I also broke this up into a couple sub-sections where it seemed
to logically fall. Also, stole some metadata concept from the
next section ("Running Tasks") that really should be lumped under
"Tasks".
(Bitbake rev: 9673acda2239807e31f4fcda1574b3e5e2d013a6)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Re-organized this around the 3 types of functions that we seem
to be show-casing here. The original organization was not very
good.
(Bitbake rev: 77ef63e5c4a9ea633a1be0f9f90366e0ecf555fa)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: b8472f81387f8b8110cd560d61a4563d53d26859)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: bc2a13ba86a5e01b457209b72608403e6aa12003)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Applied some review edits from Paul to the section.
(Bitbake rev: f4dc71a3ff2c7f2ca6093b751883a1244f8d3847)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(Bitbake rev: cf0ccb26cc7af9f29704bb4c7ada6bf8ef5b0ee6)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Richard Purdie
Scott Rifenbark