diff options
Diffstat (limited to 'src/view/home/proc_smaps.py')
| -rwxr-xr-x | src/view/home/proc_smaps.py | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/src/view/home/proc_smaps.py b/src/view/home/proc_smaps.py deleted file mode 100755 index 6e1680f..0000000 --- a/src/view/home/proc_smaps.py +++ /dev/null @@ -1,107 +0,0 @@ -# Copyright (C) 2007 Red Hat, Inc. -# -# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 -# USA - -import os - -# /proc/PID/maps consists of a number of lines like this: -# 00400000-004b1000 r-xp 00000000 fd:00 5767206 /bin/bash -# 006b1000-006bb000 rw-p 000b1000 fd:00 5767206 /bin/bash -# 006bb000-006c0000 rw-p 006bb000 00:00 0 -# ... -# The fields are: address, permissions, offset, device, inode, and -# (for non-anonymous mappings) pathname. -# -# /proc/PID/smaps gives additional information for each mapping: -# 00400000-004b1000 r-xp 00000000 fd:00 5767206 /bin/bash -# Size: 708 kB -# Rss: 476 kB -# Shared_Clean: 468 kB -# Shared_Dirty: 0 kB -# Private_Clean: 8 kB -# Private_Dirty: 0 kB -# Referenced: 0 kb -# -# The "Referenced" line only appears in kernel 2.6.22 and later. - -def get_shared_mapping_names(pid): - """Returns a set of the files for which PID has a shared mapping""" - - mappings = set() - infile = open("/proc/%s/maps" % pid, "r") - for line in infile: - # sharable mappings are non-anonymous and either read-only - # (permissions "r-..") or writable but explicitly marked - # shared ("rw.s") - fields = line.split() - if len(fields) < 6 or not fields[5].startswith('/'): - continue - if fields[1][0] != 'r' or (fields[1][1] == 'w' and fields[1][3] != 's'): - continue - mappings.add(fields[5]) - infile.close() - return mappings - -_smaps_lines_per_entry = None - -def get_mappings(pid, ignored_shared_mappings): - """Returns a list of (name, private, shared) tuples describing the - memory mappings of PID. Shared mappings named in - ignored_shared_mappings are ignored - """ - - global _smaps_lines_per_entry - if _smaps_lines_per_entry is None: - if os.path.isfile('/proc/%s/clear_refs' % os.getpid()): - _smaps_lines_per_entry = 8 - else: - _smaps_lines_per_entry = 7 - - mappings = [] - - smapfile = "/proc/%s/smaps" % pid - infile = open(smapfile, "r") - input = infile.read() - infile.close() - lines = input.splitlines() - - for line_idx in range(0, len(lines), _smaps_lines_per_entry): - name_idx = lines[line_idx].find('/') - if name_idx == -1: - name = None - else: - name = lines[line_idx][name_idx:] - - private_clean = int(lines[line_idx + 5][14:-3]) - private_dirty = int(lines[line_idx + 6][14:-3]) - if name in ignored_shared_mappings: - shared_clean = 0 - shared_dirty = 0 - else: - shared_clean = int(lines[line_idx + 3][14:-3]) - shared_dirty = int(lines[line_idx + 4][14:-3]) - - mapping = Mapping(name, private_clean + private_dirty, - shared_clean + shared_dirty) - mappings.append (mapping) - - return mappings - -class Mapping: - def __init__ (self, name, private, shared): - self.name = name - self.private = private - self.shared = shared |