Your message dated Tue, 07 Apr 2009 01:31:34 -0500 with message-id <[email protected]> and subject line Re: Bug#517293: Speed up generation of the kernel_headers package has caused the Debian Bug report #517293, regarding Speed up generation of the kernel_headers package to be marked as done.
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--- Begin Message ---package: kernel-package version: 11.001 tags: patch severity: wishlist make-kpkg is pretty slow because it does a lot of extra work that isn't necessary. For example, there are no executables in the kernel-image package, so skipping that check saves a lot of time. Other similar changes could be done to speed up the all of the binary-indep packages, but I normally don't build those packages, so I didn't bother to try making that change. It may be worth auditing the make rules to see if there is other extra unnecessary work that is being done. I'm pretty sure this wasn't all of it, but just the bit which was most obvious. Index: kernel-package/ruleset/targets/headers.mk =================================================================== --- kernel-package.orig/ruleset/targets/headers.mk +++ kernel-package/ruleset/targets/headers.mk @@ -178,14 +178,6 @@ debian/$(h_package): testroot $(DEBDIR)/pkg/headers/postinst > $(TMPTOP)/DEBIAN/postinst chmod 755 $(TMPTOP)/DEBIAN/postinst # echo "/etc/kernel/postinst.d/create_link-$(version)" > $(TMPTOP)/DEBIAN/conffiles - cp -pf debian/control debian/control.dist - k=`find $(TMPTOP) -type f | ( while read i; do \ - if file -b $$i | egrep -q "^ELF.*executable.*dynamically linked" ; then \ - j="$$j $$i"; \ - fi; \ - done; echo $$j; )`; test -z "$$k" || dpkg-shlibdeps $$k; \ - test -n "$$k" || perl -pli~ -e 's/\$$\{shlibs:Depends\}\,?//g' debian/control - test ! -e debian/control~ || rm -f debian/control~ ifneq ($(strip $(header_clean_hook)),) (cd $(SRCDIR); test -x $(header_clean_hook) && $(header_clean_hook)) endif @@ -195,7 +187,6 @@ endif chown -R root:root $(TMPTOP) chmod -R og=rX $(TMPTOP) dpkg --build $(TMPTOP) $(DEB_DEST) - cp -pf debian/control.dist debian/control binary/$(h_package): $(REASON)
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--- Begin Message ---Hi, On Thu, Feb 26 2009, Theodore Ts'o wrote: > make-kpkg is pretty slow because it does a lot of extra work that isn't > necessary. For example, there are no executables in the kernel-headers > package, so skipping that check saves a lot of time. I know that is not the case: --8<---------------cut here---------------start------------->8--- [v2.6.29.1]__> find debian/linux-headers-2.6.29.1-anzu -type f | ( while read i; do ~base_dir if file -b $i | egrep -q "^ELF.*executable.*dynamically linked" ; then echo $i fi done ) debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/basic/fixdep debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/basic/hash debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/basic/docproc debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/mod/mk_elfconfig debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/mod/modpost debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/kconfig/conf debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/kconfig/qconf debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/bin2c debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/selinux/mdp/mdp debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/ihex2fw debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/genksyms/genksyms debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/conmakehash debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/kallsyms debian/linux-headers-2.6.29.1-anzu/usr/src/linux-headers-2.6.29.1-anzu/scripts/pnmtologo --8<---------------cut here---------------end--------------->8--- Now, if you can find some other places where k-p is doing extra work, please do let me know. manoj -- Morton's Law: If rats are experimented upon, they will develop cancer. Manoj Srivastava <[email protected]> <http://www.golden-gryphon.com/> 1024D/BF24424C print 4966 F272 D093 B493 410B 924B 21BA DABB BF24 424C
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