| #!/usr/bin/env python |
| |
| # Copyright (C) 2014 by Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write to the Free Software |
| # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| import sys |
| import os |
| import os.path |
| import argparse |
| import csv |
| import collections |
| import math |
| |
| try: |
| import matplotlib |
| matplotlib.use('Agg') |
| import matplotlib.font_manager as fm |
| import matplotlib.pyplot as plt |
| except ImportError: |
| sys.stderr.write("You need python-matplotlib to generate the size graph\n") |
| exit(1) |
| |
| |
| class Config: |
| biggest_first = False |
| iec = False |
| size_limit = 0.01 |
| colors = ['#e60004', '#f28e00', '#ffed00', '#940084', |
| '#2e1d86', '#0068b5', '#009836', '#97c000'] |
| |
| |
| # |
| # This function adds a new file to 'filesdict', after checking its |
| # size. The 'filesdict' contain the relative path of the file as the |
| # key, and as the value a tuple containing the name of the package to |
| # which the file belongs and the size of the file. |
| # |
| # filesdict: the dict to which the file is added |
| # relpath: relative path of the file |
| # fullpath: absolute path to the file |
| # pkg: package to which the file belongs |
| # |
| def add_file(filesdict, relpath, abspath, pkg): |
| if not os.path.exists(abspath): |
| return |
| if os.path.islink(abspath): |
| return |
| sz = os.stat(abspath).st_size |
| filesdict[relpath] = (pkg, sz) |
| |
| |
| # |
| # This function returns a dict where each key is the path of a file in |
| # the root filesystem, and the value is a tuple containing two |
| # elements: the name of the package to which this file belongs and the |
| # size of the file. |
| # |
| # builddir: path to the Buildroot output directory |
| # |
| def build_package_dict(builddir): |
| filesdict = {} |
| with open(os.path.join(builddir, "build", "packages-file-list.txt")) as f: |
| for l in f.readlines(): |
| pkg, fpath = l.split(",", 1) |
| # remove the initial './' in each file path |
| fpath = fpath.strip()[2:] |
| fullpath = os.path.join(builddir, "target", fpath) |
| add_file(filesdict, fpath, fullpath, pkg) |
| return filesdict |
| |
| |
| # |
| # This function builds a dictionary that contains the name of a |
| # package as key, and the size of the files installed by this package |
| # as the value. |
| # |
| # filesdict: dictionary with the name of the files as key, and as |
| # value a tuple containing the name of the package to which the files |
| # belongs, and the size of the file. As returned by |
| # build_package_dict. |
| # |
| # builddir: path to the Buildroot output directory |
| # |
| def build_package_size(filesdict, builddir): |
| pkgsize = collections.defaultdict(int) |
| |
| seeninodes = set() |
| for root, _, files in os.walk(os.path.join(builddir, "target")): |
| for f in files: |
| fpath = os.path.join(root, f) |
| if os.path.islink(fpath): |
| continue |
| |
| st = os.stat(fpath) |
| if st.st_ino in seeninodes: |
| # hard link |
| continue |
| else: |
| seeninodes.add(st.st_ino) |
| |
| frelpath = os.path.relpath(fpath, os.path.join(builddir, "target")) |
| if frelpath not in filesdict: |
| print("WARNING: %s is not part of any package" % frelpath) |
| pkg = "unknown" |
| else: |
| pkg = filesdict[frelpath][0] |
| |
| pkgsize[pkg] += st.st_size |
| |
| return pkgsize |
| |
| |
| # |
| # Given a dict returned by build_package_size(), this function |
| # generates a pie chart of the size installed by each package. |
| # |
| # pkgsize: dictionary with the name of the package as a key, and the |
| # size as the value, as returned by build_package_size. |
| # |
| # outputf: output file for the graph |
| # |
| def draw_graph(pkgsize, outputf): |
| def size2string(sz): |
| if Config.iec: |
| divider = 1024.0 |
| prefixes = ['', 'Ki', 'Mi', 'Gi', 'Ti'] |
| else: |
| divider = 1000.0 |
| prefixes = ['', 'k', 'M', 'G', 'T'] |
| while sz > divider and len(prefixes) > 1: |
| prefixes = prefixes[1:] |
| sz = sz/divider |
| # precision is made so that there are always at least three meaningful |
| # digits displayed (e.g. '3.14' and '10.4', not just '3' and '10') |
| precision = int(2-math.floor(math.log10(sz))) if sz < 1000 else 0 |
| return '{:.{prec}f} {}B'.format(sz, prefixes[0], prec=precision) |
| |
| total = sum(pkgsize.values()) |
| labels = [] |
| values = [] |
| other_value = 0 |
| unknown_value = 0 |
| for (p, sz) in sorted(pkgsize.items(), key=lambda x: x[1], |
| reverse=Config.biggest_first): |
| if sz < (total * Config.size_limit): |
| other_value += sz |
| elif p == "unknown": |
| unknown_value = sz |
| else: |
| labels.append("%s (%s)" % (p, size2string(sz))) |
| values.append(sz) |
| if unknown_value != 0: |
| labels.append("Unknown (%s)" % (size2string(unknown_value))) |
| values.append(unknown_value) |
| if other_value != 0: |
| labels.append("Other (%s)" % (size2string(other_value))) |
| values.append(other_value) |
| |
| plt.figure() |
| patches, texts, autotexts = plt.pie(values, labels=labels, |
| autopct='%1.1f%%', shadow=True, |
| colors=Config.colors) |
| # Reduce text size |
| proptease = fm.FontProperties() |
| proptease.set_size('xx-small') |
| plt.setp(autotexts, fontproperties=proptease) |
| plt.setp(texts, fontproperties=proptease) |
| |
| plt.suptitle("Filesystem size per package", fontsize=18, y=.97) |
| plt.title("Total filesystem size: %s" % (size2string(total)), fontsize=10, |
| y=.96) |
| plt.savefig(outputf) |
| |
| |
| # |
| # Generate a CSV file with statistics about the size of each file, its |
| # size contribution to the package and to the overall system. |
| # |
| # filesdict: dictionary with the name of the files as key, and as |
| # value a tuple containing the name of the package to which the files |
| # belongs, and the size of the file. As returned by |
| # build_package_dict. |
| # |
| # pkgsize: dictionary with the name of the package as a key, and the |
| # size as the value, as returned by build_package_size. |
| # |
| # outputf: output CSV file |
| # |
| def gen_files_csv(filesdict, pkgsizes, outputf): |
| total = 0 |
| for (p, sz) in pkgsizes.items(): |
| total += sz |
| with open(outputf, 'w') as csvfile: |
| wr = csv.writer(csvfile, delimiter=',', quoting=csv.QUOTE_MINIMAL) |
| wr.writerow(["File name", |
| "Package name", |
| "File size", |
| "Package size", |
| "File size in package (%)", |
| "File size in system (%)"]) |
| for f, (pkgname, filesize) in filesdict.items(): |
| pkgsize = pkgsizes[pkgname] |
| |
| if pkgsize == 0: |
| percent_pkg = 0 |
| else: |
| percent_pkg = float(filesize) / pkgsize * 100 |
| |
| percent_total = float(filesize) / total * 100 |
| |
| wr.writerow([f, pkgname, filesize, pkgsize, |
| "%.1f" % percent_pkg, |
| "%.1f" % percent_total]) |
| |
| |
| # |
| # Generate a CSV file with statistics about the size of each package, |
| # and their size contribution to the overall system. |
| # |
| # pkgsize: dictionary with the name of the package as a key, and the |
| # size as the value, as returned by build_package_size. |
| # |
| # outputf: output CSV file |
| # |
| def gen_packages_csv(pkgsizes, outputf): |
| total = sum(pkgsizes.values()) |
| with open(outputf, 'w') as csvfile: |
| wr = csv.writer(csvfile, delimiter=',', quoting=csv.QUOTE_MINIMAL) |
| wr.writerow(["Package name", "Package size", |
| "Package size in system (%)"]) |
| for (pkg, size) in pkgsizes.items(): |
| wr.writerow([pkg, size, "%.1f" % (float(size) / total * 100)]) |
| |
| |
| # |
| # Our special action for --iec, --binary, --si, --decimal |
| # |
| class PrefixAction(argparse.Action): |
| def __init__(self, option_strings, dest, **kwargs): |
| for key in ["type", "nargs"]: |
| if key in kwargs: |
| raise ValueError('"{}" not allowed'.format(key)) |
| super(PrefixAction, self).__init__(option_strings, dest, nargs=0, |
| type=bool, **kwargs) |
| |
| def __call__(self, parser, namespace, values, option_string=None): |
| setattr(namespace, self.dest, option_string in ["--iec", "--binary"]) |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser(description='Draw size statistics graphs') |
| |
| parser.add_argument("--builddir", '-i', metavar="BUILDDIR", required=True, |
| help="Buildroot output directory") |
| parser.add_argument("--graph", '-g', metavar="GRAPH", |
| help="Graph output file (.pdf or .png extension)") |
| parser.add_argument("--file-size-csv", '-f', metavar="FILE_SIZE_CSV", |
| help="CSV output file with file size statistics") |
| parser.add_argument("--package-size-csv", '-p', metavar="PKG_SIZE_CSV", |
| help="CSV output file with package size statistics") |
| parser.add_argument("--biggest-first", action='store_true', |
| help="Sort packages in decreasing size order, " + |
| "rather than in increasing size order") |
| parser.add_argument("--iec", "--binary", "--si", "--decimal", |
| action=PrefixAction, |
| help="Use IEC (binary, powers of 1024) or SI (decimal, " |
| "powers of 1000, the default) prefixes") |
| parser.add_argument("--size-limit", "-l", type=float, |
| help='Under this size ratio, files are accounted to ' + |
| 'the generic "Other" package. Default: 0.01 (1%%)') |
| args = parser.parse_args() |
| |
| Config.biggest_first = args.biggest_first |
| Config.iec = args.iec |
| if args.size_limit is not None: |
| if args.size_limit < 0.0 or args.size_limit > 1.0: |
| parser.error("--size-limit must be in [0.0..1.0]") |
| Config.size_limit = args.size_limit |
| |
| # Find out which package installed what files |
| pkgdict = build_package_dict(args.builddir) |
| |
| # Collect the size installed by each package |
| pkgsize = build_package_size(pkgdict, args.builddir) |
| |
| if args.graph: |
| draw_graph(pkgsize, args.graph) |
| if args.file_size_csv: |
| gen_files_csv(pkgdict, pkgsize, args.file_size_csv) |
| if args.package_size_csv: |
| gen_packages_csv(pkgsize, args.package_size_csv) |
| |
| |
| if __name__ == "__main__": |
| main() |
