Profiling a core-image-sato-sdk rootfs, we're spending over 40s compiling the same regex over and over again, roughly around 5 million times.
This is suboptimal, fix for a 40s improvement on a 18.5minute task execution time. Signed-off-by: Richard Purdie <[email protected]> diff --git a/meta/lib/oe/package_manager.py b/meta/lib/oe/package_manager.py index f801333..69bef1d 100644 --- a/meta/lib/oe/package_manager.py +++ b/meta/lib/oe/package_manager.py @@ -679,10 +679,10 @@ class RpmPM(PackageManager): def _search_pkg_name_in_feeds(self, pkg, feed_archs): for arch in feed_archs: arch = arch.replace('-', '_') + regex_match = re.compile(r"^%s-[^-]*-[^-]*@%s$" % \ + (re.escape(pkg), re.escape(arch))) for p in self.fullpkglist: - regex_match = r"^%s-[^-]*-[^-]*@%s$" % \ - (re.escape(pkg), re.escape(arch)) - if re.match(regex_match, p) is not None: + if regex_match.match(p) is not None: # First found is best match # bb.note('%s -> %s' % (pkg, pkg + '@' + arch)) return pkg + '@' + arch -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
