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classes/buildhistory: optimise getting package size list

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Invoking oe-pkgdata-util in turn for every package in the list was slow
with a large image. Modify oe-pkgdata-util's read-value command to take
an option to read the list of packages from a file, as well as prefix
the value with the package name; we can then use this to get all of the
package sizes at once. This reduces the time to gather this information
from minutes to just a second or two.

Fixes [YOCTO #7339].

(From OE-Core rev: 51c24904cc1bc823bccc3f179b8d7a192dace168)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton
2016-04-04 17:02:19 +12:00
committed by Richard Purdie
parent af5f423887
commit 4d364f27e7
2 changed files with 24 additions and 15 deletions
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26
scripts/oe-pkgdata-util
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@@ -161,8 +161,18 @@ def glob(args):
def read_value(args):
# Handle both multiple arguments and multiple values within an arg (old syntax)
packages = []
for pkgitem in args.pkg:
packages.extend(pkgitem.split())
if args.file:
with open(args.file, 'r') as f:
for line in f:
splitline = line.split()
if splitline:
packages.append(splitline[0])
else:
for pkgitem in args.pkg:
packages.extend(pkgitem.split())
if not packages:
logger.error("No packages specified")
sys.exit(1)
def readvar(pkgdata_file, valuename):
val = ""
@@ -187,9 +197,13 @@ def read_value(args):
qvar = "%s_%s" % (args.valuename, mappedpkg)
# PKGSIZE is now in bytes, but we we want it in KB
pkgsize = (int(readvar(revlink, qvar)) + 1024 // 2) // 1024
print("%d" % pkgsize)
value = "%d" % pkgsize
else:
print(readvar(revlink, qvar))
value = readvar(revlink, qvar)
if args.prefix_name:
print('%s %s' % (pkg_name, value))
else:
print(value)
def lookup_pkglist(pkgs, pkgdata_dir, reverse):
if reverse:
@@ -465,7 +479,9 @@ def main():
help='Read any pkgdata value for one or more packages',
description='Reads the named value from the pkgdata files for the specified packages')
parser_read_value.add_argument('valuename', help='Name of the value to look up')
parser_read_value.add_argument('pkg', nargs='+', help='Runtime package name to look up')
parser_read_value.add_argument('pkg', nargs='*', help='Runtime package name to look up')
parser_read_value.add_argument('-f', '--file', help='Read package names from the specified file (one per line, first field only)')
parser_read_value.add_argument('-n', '--prefix-name', help='Prefix output with package name', action='store_true')
parser_read_value.set_defaults(func=read_value)
parser_glob = subparsers.add_parser('glob',