diff options
Diffstat (limited to 'sysdeps/linux/procmap.c')
| -rw-r--r-- | sysdeps/linux/procmap.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/sysdeps/linux/procmap.c b/sysdeps/linux/procmap.c deleted file mode 100644 index f5638bda..00000000 --- a/sysdeps/linux/procmap.c +++ /dev/null @@ -1,223 +0,0 @@ -/* Copyright (C) 1998-99 Martin Baulig - This file is part of LibGTop 1.0. - - Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998. - - LibGTop 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. - - LibGTop 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 LibGTop; see the file COPYING. If not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. -*/ - -#include <config.h> -#include <glib.h> - -#include <glibtop.h> -#include <glibtop/error.h> -#include <glibtop/procmap.h> - -#include <linux/kdev_t.h> -#include <stddef.h> - -#include "glibtop_private.h" - - -#define MAPS_FILE "/proc/%u/maps" -#define SMAPS_FILE "/proc/%u/smaps" - - -#define PROC_MAPS_FORMAT "%16llx-%16llx %4c %16llx %02hx:%02hx %llu%*[ ]%n" - - -static const unsigned long _glibtop_sysdeps_proc_map = -(1L << GLIBTOP_PROC_MAP_NUMBER) + (1L << GLIBTOP_PROC_MAP_TOTAL) + -(1L << GLIBTOP_PROC_MAP_SIZE); - -static const unsigned long _glibtop_sysdeps_map_entry = -(1L << GLIBTOP_MAP_ENTRY_START) + (1L << GLIBTOP_MAP_ENTRY_END) + -(1L << GLIBTOP_MAP_ENTRY_OFFSET) + (1L << GLIBTOP_MAP_ENTRY_PERM) + -(1L << GLIBTOP_MAP_ENTRY_INODE) + (1L << GLIBTOP_MAP_ENTRY_DEVICE) + -(1L << GLIBTOP_MAP_ENTRY_FILENAME); - -static const unsigned long _glibtop_sysdeps_map_entry_smaps = -(1UL << GLIBTOP_MAP_ENTRY_SIZE) + (1UL << GLIBTOP_MAP_ENTRY_RSS) + -(1UL << GLIBTOP_MAP_ENTRY_SHARED_DIRTY) + (1UL << GLIBTOP_MAP_ENTRY_SHARED_CLEAN) + -(1UL << GLIBTOP_MAP_ENTRY_PRIVATE_DIRTY) + (1UL << GLIBTOP_MAP_ENTRY_PRIVATE_CLEAN); - - -/* Init function. */ - -void -_glibtop_init_proc_map_s (glibtop *server) -{ - server->sysdeps.proc_map = _glibtop_sysdeps_proc_map; -} - -/* Provides detailed information about a process. */ - - -static void -add_smaps(glibtop *server, FILE *smaps, glibtop_map_entry *entry) -{ -#define SMAP_OFFSET(MEMBER) offsetof(glibtop_map_entry, MEMBER) - - struct smap_value { - char name[15]; - ptrdiff_t offset; - }; - - const struct smap_value values[] = { - { "Size:", SMAP_OFFSET(size) }, - { "Rss:", SMAP_OFFSET(rss) }, - { "Shared_Clean:", SMAP_OFFSET(shared_clean) }, - { "Shared_Dirty:", SMAP_OFFSET(shared_dirty) }, - { "Private_Clean:", SMAP_OFFSET(private_clean) }, - { "Private_Dirty:", SMAP_OFFSET(private_dirty) } - }; - - size_t i; - - for (i = 0; i < G_N_ELEMENTS(values); ++i) { - char line[80]; - char *offset; - guint64 *value; - - if (!fgets(line, sizeof line, smaps) || !g_str_has_prefix(line, values[i].name)) { - glibtop_warn_io_r(server, - "Could not read smaps value %s", - values[i].name); - return; - } - - offset = (void*) entry; - offset += values[i].offset; - value = (void*) offset; - - *value = get_scaled(line, values[i].name); - } - - entry->flags |= _glibtop_sysdeps_map_entry_smaps; - -#undef SMAP_OFFSET -} - - - - -glibtop_map_entry * -glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid) -{ - char procfilename[GLIBTOP_MAP_FILENAME_LEN+1]; - - /* - default size of 100 maybe inaccurate. - It's the average number of entry per process on my laptop - */ - - GArray *entry_list = g_array_sized_new(FALSE, FALSE, - sizeof(glibtop_map_entry), - 100); - FILE *maps; - const char *filename; - gboolean has_smaps; - char *line = NULL; - size_t line_size = 0; - - memset (buf, 0, sizeof (glibtop_proc_map)); - - has_smaps = server->os_version_code >= LINUX_VERSION_CODE(2, 6, 14); - - if (has_smaps) - filename = SMAPS_FILE; - else - filename = MAPS_FILE; - - snprintf (procfilename, sizeof procfilename, filename, (unsigned)pid); - - if((maps = fopen (procfilename, "r")) == NULL) { - return (glibtop_map_entry*) g_array_free(entry_list, TRUE); - } - - while(TRUE) - { - unsigned long perm = 0; - guint len; - int line_end; - - unsigned short dev_major, dev_minor; - guint64 start, end, offset, inode; - char flags[4]; - char *filename; - - glibtop_map_entry *entry; - - if (getline(&line, &line_size, maps) == -1) - break; - - if (sscanf(line, PROC_MAPS_FORMAT, - &start, &end, flags, &offset, - &dev_major, &dev_minor, &inode, &line_end) != 7) - continue; - - filename = line + line_end; - g_strstrip(filename); - - /* Compute access permissions. */ - - if (flags [0] == 'r') - perm |= GLIBTOP_MAP_PERM_READ; - - if (flags [1] == 'w') - perm |= GLIBTOP_MAP_PERM_WRITE; - - if (flags [2] == 'x') - perm |= GLIBTOP_MAP_PERM_EXECUTE; - - if (flags [3] == 's') - perm |= GLIBTOP_MAP_PERM_SHARED; - else if (flags [3] == 'p') - perm |= GLIBTOP_MAP_PERM_PRIVATE; - - /* - avoid copying the entry, grow by 1 and point to the last - element. - */ - len = entry_list->len; - g_array_set_size(entry_list, len + 1); - entry = &g_array_index(entry_list, glibtop_map_entry, len); - - entry->flags = _glibtop_sysdeps_map_entry; - entry->start = start; - entry->end = end; - entry->offset = offset; - entry->perm = perm; - entry->device = MKDEV(dev_major, dev_minor); - entry->inode = inode; - g_strlcpy(entry->filename, filename, sizeof entry->filename); - - if (has_smaps) - add_smaps(server, maps, entry); - - } - - free(line); - fclose (maps); - - buf->flags = _glibtop_sysdeps_proc_map; - - buf->number = entry_list->len; - buf->size = sizeof (glibtop_map_entry); - buf->total = buf->number * buf->size; - - return (glibtop_map_entry*) g_array_free(entry_list, FALSE); -} |