20cbf17e0a
Now that we can order packages from biggest to smallest, it makes sense to assign the most aggressive colours to the biggest packages. As such, reorder the current colours so that we have, in order: - red-ish - orange-ish - yellow-ish - purple-ish - eggplant-ish (is that even a colour? :-] ) - some-indeterminate-blue-ish - dark-green-ish - light-green-ish For the previous, smallest-first ordering, it does not matter much what the ordering is: the actual colours are still somewhat-unpredictably assigned to packages, depending on the cut-off limit... Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> Cc: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
309 lines
11 KiB
Python
Executable file
309 lines
11 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (C) 2014 by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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import os
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import os.path
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import argparse
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import csv
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import collections
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import math
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try:
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import matplotlib
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matplotlib.use('Agg')
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import matplotlib.font_manager as fm
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import matplotlib.pyplot as plt
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except ImportError:
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sys.stderr.write("You need python-matplotlib to generate the size graph\n")
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exit(1)
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class Config:
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biggest_first = False
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iec = False
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size_limit = 0.01
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colors = ['#e60004', '#f28e00', '#ffed00', '#940084',
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'#2e1d86', '#0068b5', '#009836', '#97c000']
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#
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# This function adds a new file to 'filesdict', after checking its
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# size. The 'filesdict' contain the relative path of the file as the
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# key, and as the value a tuple containing the name of the package to
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# which the file belongs and the size of the file.
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#
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# filesdict: the dict to which the file is added
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# relpath: relative path of the file
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# fullpath: absolute path to the file
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# pkg: package to which the file belongs
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#
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def add_file(filesdict, relpath, abspath, pkg):
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if not os.path.exists(abspath):
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return
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if os.path.islink(abspath):
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return
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sz = os.stat(abspath).st_size
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filesdict[relpath] = (pkg, sz)
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#
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# This function returns a dict where each key is the path of a file in
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# the root filesystem, and the value is a tuple containing two
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# elements: the name of the package to which this file belongs and the
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# size of the file.
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#
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# builddir: path to the Buildroot output directory
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#
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def build_package_dict(builddir):
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filesdict = {}
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with open(os.path.join(builddir, "build", "packages-file-list.txt")) as f:
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for l in f.readlines():
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pkg, fpath = l.split(",", 1)
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# remove the initial './' in each file path
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fpath = fpath.strip()[2:]
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fullpath = os.path.join(builddir, "target", fpath)
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add_file(filesdict, fpath, fullpath, pkg)
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return filesdict
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#
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# This function builds a dictionary that contains the name of a
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# package as key, and the size of the files installed by this package
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# as the value.
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#
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# filesdict: dictionary with the name of the files as key, and as
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# value a tuple containing the name of the package to which the files
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# belongs, and the size of the file. As returned by
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# build_package_dict.
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#
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# builddir: path to the Buildroot output directory
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#
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def build_package_size(filesdict, builddir):
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pkgsize = collections.defaultdict(int)
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seeninodes = set()
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for root, _, files in os.walk(os.path.join(builddir, "target")):
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for f in files:
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fpath = os.path.join(root, f)
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if os.path.islink(fpath):
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continue
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st = os.stat(fpath)
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if st.st_ino in seeninodes:
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# hard link
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continue
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else:
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seeninodes.add(st.st_ino)
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frelpath = os.path.relpath(fpath, os.path.join(builddir, "target"))
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if frelpath not in filesdict:
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print("WARNING: %s is not part of any package" % frelpath)
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pkg = "unknown"
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else:
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pkg = filesdict[frelpath][0]
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pkgsize[pkg] += st.st_size
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return pkgsize
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#
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# Given a dict returned by build_package_size(), this function
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# generates a pie chart of the size installed by each package.
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#
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# pkgsize: dictionary with the name of the package as a key, and the
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# size as the value, as returned by build_package_size.
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#
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# outputf: output file for the graph
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#
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def draw_graph(pkgsize, outputf):
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def size2string(sz):
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if Config.iec:
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divider = 1024.0
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prefixes = ['', 'Ki', 'Mi', 'Gi', 'Ti']
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else:
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divider = 1000.0
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prefixes = ['', 'k', 'M', 'G', 'T']
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while sz > divider and len(prefixes) > 1:
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prefixes = prefixes[1:]
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sz = sz/divider
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# precision is made so that there are always at least three meaningful
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# digits displayed (e.g. '3.14' and '10.4', not just '3' and '10')
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precision = int(2-math.floor(math.log10(sz))) if sz < 1000 else 0
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return '{:.{prec}f} {}B'.format(sz, prefixes[0], prec=precision)
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total = sum(pkgsize.values())
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labels = []
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values = []
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other_value = 0
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unknown_value = 0
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for (p, sz) in sorted(pkgsize.items(), key=lambda x: x[1],
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reverse=Config.biggest_first):
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if sz < (total * Config.size_limit):
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other_value += sz
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elif p == "unknown":
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unknown_value = sz
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else:
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labels.append("%s (%s)" % (p, size2string(sz)))
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values.append(sz)
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if unknown_value != 0:
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labels.append("Unknown (%s)" % (size2string(unknown_value)))
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values.append(unknown_value)
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if other_value != 0:
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labels.append("Other (%s)" % (size2string(other_value)))
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values.append(other_value)
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plt.figure()
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patches, texts, autotexts = plt.pie(values, labels=labels,
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autopct='%1.1f%%', shadow=True,
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colors=Config.colors)
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# Reduce text size
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proptease = fm.FontProperties()
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proptease.set_size('xx-small')
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plt.setp(autotexts, fontproperties=proptease)
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plt.setp(texts, fontproperties=proptease)
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plt.suptitle("Filesystem size per package", fontsize=18, y=.97)
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plt.title("Total filesystem size: %s" % (size2string(total)), fontsize=10,
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y=.96)
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plt.savefig(outputf)
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#
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# Generate a CSV file with statistics about the size of each file, its
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# size contribution to the package and to the overall system.
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#
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# filesdict: dictionary with the name of the files as key, and as
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# value a tuple containing the name of the package to which the files
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# belongs, and the size of the file. As returned by
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# build_package_dict.
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#
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# pkgsize: dictionary with the name of the package as a key, and the
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# size as the value, as returned by build_package_size.
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#
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# outputf: output CSV file
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#
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def gen_files_csv(filesdict, pkgsizes, outputf):
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total = 0
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for (p, sz) in pkgsizes.items():
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total += sz
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with open(outputf, 'w') as csvfile:
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wr = csv.writer(csvfile, delimiter=',', quoting=csv.QUOTE_MINIMAL)
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wr.writerow(["File name",
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"Package name",
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"File size",
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"Package size",
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"File size in package (%)",
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"File size in system (%)"])
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for f, (pkgname, filesize) in filesdict.items():
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pkgsize = pkgsizes[pkgname]
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if pkgsize == 0:
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percent_pkg = 0
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else:
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percent_pkg = float(filesize) / pkgsize * 100
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percent_total = float(filesize) / total * 100
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wr.writerow([f, pkgname, filesize, pkgsize,
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"%.1f" % percent_pkg,
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"%.1f" % percent_total])
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#
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# Generate a CSV file with statistics about the size of each package,
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# and their size contribution to the overall system.
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#
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# pkgsize: dictionary with the name of the package as a key, and the
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# size as the value, as returned by build_package_size.
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#
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# outputf: output CSV file
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#
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def gen_packages_csv(pkgsizes, outputf):
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total = sum(pkgsizes.values())
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with open(outputf, 'w') as csvfile:
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wr = csv.writer(csvfile, delimiter=',', quoting=csv.QUOTE_MINIMAL)
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wr.writerow(["Package name", "Package size",
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"Package size in system (%)"])
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for (pkg, size) in pkgsizes.items():
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wr.writerow([pkg, size, "%.1f" % (float(size) / total * 100)])
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#
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# Our special action for --iec, --binary, --si, --decimal
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#
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class PrefixAction(argparse.Action):
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def __init__(self, option_strings, dest, **kwargs):
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for key in ["type", "nargs"]:
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if key in kwargs:
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raise ValueError('"{}" not allowed'.format(key))
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super(PrefixAction, self).__init__(option_strings, dest, nargs=0,
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type=bool, **kwargs)
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def __call__(self, parser, namespace, values, option_string=None):
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setattr(namespace, self.dest, option_string in ["--iec", "--binary"])
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def main():
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parser = argparse.ArgumentParser(description='Draw size statistics graphs')
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parser.add_argument("--builddir", '-i', metavar="BUILDDIR", required=True,
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help="Buildroot output directory")
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parser.add_argument("--graph", '-g', metavar="GRAPH",
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help="Graph output file (.pdf or .png extension)")
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parser.add_argument("--file-size-csv", '-f', metavar="FILE_SIZE_CSV",
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help="CSV output file with file size statistics")
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parser.add_argument("--package-size-csv", '-p', metavar="PKG_SIZE_CSV",
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help="CSV output file with package size statistics")
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parser.add_argument("--biggest-first", action='store_true',
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help="Sort packages in decreasing size order, " +
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"rather than in increasing size order")
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parser.add_argument("--iec", "--binary", "--si", "--decimal",
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action=PrefixAction,
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help="Use IEC (binary, powers of 1024) or SI (decimal, "
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"powers of 1000, the default) prefixes")
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parser.add_argument("--size-limit", "-l", type=float,
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help='Under this size ratio, files are accounted to ' +
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'the generic "Other" package. Default: 0.01 (1%%)')
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args = parser.parse_args()
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Config.biggest_first = args.biggest_first
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Config.iec = args.iec
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if args.size_limit is not None:
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if args.size_limit < 0.0 or args.size_limit > 1.0:
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parser.error("--size-limit must be in [0.0..1.0]")
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Config.size_limit = args.size_limit
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# Find out which package installed what files
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pkgdict = build_package_dict(args.builddir)
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# Collect the size installed by each package
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pkgsize = build_package_size(pkgdict, args.builddir)
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if args.graph:
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draw_graph(pkgsize, args.graph)
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if args.file_size_csv:
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gen_files_csv(pkgdict, pkgsize, args.file_size_csv)
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if args.package_size_csv:
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gen_packages_csv(pkgsize, args.package_size_csv)
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if __name__ == "__main__":
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main()
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