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Add trace points for g_malloc/g_free functions 

Derived from a patch submitted by Avi Kivity.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2011-08-20 22:38:31 -05:00
parent 41a748265f
commit 0750112af4
1 changed files with 27 additions and 0 deletions
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27
vl.c
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@ -2075,6 +2075,26 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
return popt;
}
static gpointer malloc_and_trace(gsize n_bytes)
{
void *ptr = malloc(n_bytes);
trace_qemu_malloc(n_bytes, ptr);
return ptr;
}
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
{
void *ptr = realloc(mem, n_bytes);
trace_qemu_realloc(mem, n_bytes, ptr);
return ptr;
}
static void free_and_trace(gpointer mem)
{
trace_qemu_free(mem);
free(mem);
}
int main(int argc, char **argv, char **envp)
{
const char *gdbstub_dev = NULL;
@ -2103,10 +2123,17 @@ int main(int argc, char **argv, char **envp)
const char *trace_file = NULL;
const char *log_mask = NULL;
const char *log_file = NULL;
GMemVTable mem_trace = {
.malloc = malloc_and_trace,
.realloc = realloc_and_trace,
.free = free_and_trace,
};
atexit(qemu_run_exit_notifiers);
error_set_progname(argv[0]);
g_mem_set_vtable(&mem_trace);
init_clocks();
qemu_cache_utils_init(envp);