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+2006-10-25 Soren Sandmann <sandmann@daimi.au.dk> + + * process.c

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+2006-10-25  Soren Sandmann <sandmann@daimi.au.dk>
+
+       * process.c (free_maps): Take a pointer to a variable that
+
+       * process.c: Stop coalescing processes with the same cmdline.
+
+       * TODO: updates.
+
This commit is contained in:
Søren Sandmann Pedersen
2006-10-25 04:47:06 +00:00
parent a715b55029
commit c6978f660b
3 changed files with 28 additions and 33 deletions
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44
process.c
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@ -30,7 +30,6 @@
#include "process.h"
#include "binfile.h"
static GHashTable *processes_by_cmdline;
static GHashTable *processes_by_pid;
typedef struct Map Map;
@ -65,11 +64,8 @@ struct Process
static void
initialize (void)
{
if (!processes_by_cmdline)
{
processes_by_cmdline = g_hash_table_new (g_str_hash, g_str_equal);
if (!processes_by_pid)
processes_by_pid = g_hash_table_new (g_direct_hash, g_direct_equal);
}
}
static Map *
@ -140,12 +136,12 @@ read_maps (int pid, int *n_maps)
}
static void
free_maps (int n_maps,
free_maps (int *n_maps,
Map *maps)
{
int i;
for (i = 0; i < n_maps; ++i)
for (i = 0; i < *n_maps; ++i)
{
Map *map = &(maps[i]);
@ -157,6 +153,7 @@ free_maps (int n_maps,
}
g_free (maps);
*n_maps = 0;
}
const guint8 *
@ -185,7 +182,7 @@ process_get_vdso_bytes (gsize *length)
}
has_data = TRUE;
free_maps (n_maps, maps);
free_maps (&n_maps, maps);
}
if (length)
@ -207,15 +204,14 @@ create_process (const char *cmdline, int pid)
p->cmdline = g_strdup_printf ("[pid %d]", pid);
p->bad_pages = NULL;
p->n_maps = 0;
p->maps = NULL;
p->pid = pid;
p->undefined = NULL;
g_assert (!g_hash_table_lookup (processes_by_pid, GINT_TO_POINTER (pid)));
g_assert (!g_hash_table_lookup (processes_by_cmdline, cmdline));
g_hash_table_insert (processes_by_pid, GINT_TO_POINTER (pid), p);
g_hash_table_insert (processes_by_cmdline, g_strdup (cmdline), p);
return p;
}
@ -242,14 +238,12 @@ process_locate_map (Process *process, gulong addr)
static void
free_process (gpointer key, gpointer value, gpointer data)
{
char *cmdline = key;
Process *process = value;
free_maps (process->n_maps, process->maps);
free_maps (&(process->n_maps), process->maps);
g_free (process->cmdline);
g_list_free (process->bad_pages);
g_free (cmdline);
g_free (process);
}
@ -257,15 +251,12 @@ free_process (gpointer key, gpointer value, gpointer data)
void
process_flush_caches (void)
{
if (!processes_by_cmdline)
if (!processes_by_pid)
return;
g_hash_table_foreach (processes_by_cmdline, free_process, NULL);
g_hash_table_destroy (processes_by_cmdline);
g_hash_table_foreach (processes_by_pid, free_process, NULL);
g_hash_table_destroy (processes_by_pid);
processes_by_cmdline = NULL;
processes_by_pid = NULL;
}
@ -309,10 +300,10 @@ process_ensure_map (Process *process, int pid, gulong addr)
/* a map containing addr was not found */
if (process->maps)
free_maps (process->n_maps, process->maps);
process->maps = read_maps (pid, &process->n_maps);
free_maps (&(process->n_maps), process->maps);
process->maps = read_maps (pid, &(process->n_maps));
if (!process_has_page (process, addr))
{
#if 0
@ -408,22 +399,13 @@ Process *
process_get_from_pid (int pid)
{
Process *p;
gchar *cmdline = NULL;
initialize();
p = g_hash_table_lookup (processes_by_pid, GINT_TO_POINTER (pid));
if (p)
return p;
cmdline = get_name (pid);
idle_free (cmdline);
p = g_hash_table_lookup (processes_by_cmdline, cmdline);
if (!p)
p = create_process (cmdline, pid);
p = create_process (idle_free (get_name (pid)), pid);
return p;
}