+/*
+ * Copyright (C) 2010 Timo Kokkonen <timo.t.kokkonen@iki.fi>
+ *
+ * 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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
#ifndef _PAGEMAP_H
#define _PAGEMAP_H
+#include <stdlib.h>
+#include <string.h>
+
#include "utils.h"
#include "list.h"
-#include "bintree.h"
+#include "rbtree.h"
#define PAGE_SHIFT 12
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define BITRANGE(first, last) (((2ll << (last - first)) - 1) << first)
struct pageframe {
- struct bintree tree;
+ struct rb_node tree;
struct list_head ml; /* List of mappings which refer to this pfn */
unsigned long long pf; /* page frame entry from /proc/pid/pagemap */
+ unsigned long long kpageflags;
+ unsigned long long kpagecount;
int refcount;
};
-#define tree_to_pageframe(tree_struct) \
+struct pageframe *pf_insert(struct rb_root *root, struct pageframe *pf);
+struct pageframe *pf_search(struct rb_root *root, struct pageframe *pf);
+
+#define rb_to_pageframe(tree_struct) \
container_of((tree_struct), struct pageframe, tree)
static inline void clear_pageframe(struct pageframe *pf)
return (BITRANGE(5, 54) & p->pf) >> 5;
}
+enum kpageflags {
+ LOCKED,
+ ERROR,
+ REFERENCED,
+ UPTODATE,
+ DIRTY,
+ LRU,
+ ACTIVE,
+ SLAB,
+ WRITEBACK,
+ RECLAIM,
+ BUDDY,
+ MMAP,
+ ANON,
+ SWAPCACHE,
+ SWAPBACKED,
+ COMPOUND_HEAD,
+ COMPOUND_TAIL,
+ HUGE,
+ UNEVICTABLE,
+ HWPOISON,
+ NOPAGE,
+ KSM,
+ THP,
+ __PAGEFLAGS_LAST,
+};
+
+#define KPAGEFLAGS_NUM __PAGEFLAGS_LAST
+
+struct kpageflag_str {
+ int flag;
+ char *str;
+};
+
+extern struct kpageflag_str kpageflag_str[];
+
+static inline int kpageflag_is_set(struct pageframe *p, int flag)
+{
+ return !!(BITRANGE(flag, flag) & p->kpageflags);
+}
+
+static inline char *kpageflag_to_str(int flag)
+{
+ int i;
+
+ for (i = 0; i < KPAGEFLAGS_NUM; i++)
+ if (kpageflag_str[i].flag == flag)
+ return kpageflag_str[i].str;
+
+ return NULL;
+}
+
struct maps {
struct list_head list;
long int pages_present;
long int pages_swapped;
+ long int pages_unique;
int is_initial_pid;
};
#define PARSE_PID 0x1
#define PARSE_MAP_NAME 0x2
-#define PARSE_PROCESS_NAME 0x4
#define PARSE_DUMP 0x8
#define PARSE_NOADD_TREE 0x10
+#define PARSE_SHARED_MAPPING 0x20
struct pidlist {
struct list_head list;
static inline struct pidlist *alloc_pidlist(void)
{
- struct pidlist *p = malloc(sizeof(*p));
+ struct pidlist *p = calloc(sizeof(*p), 1);
if (p == NULL)
return p;
- memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->list);
return p;