From 0750112af49b6f1a91a26d76e99badbca1e27b41 Mon Sep 17 00:00:00 2001 From: Anthony Liguori Date: Sat, 20 Aug 2011 22:38:31 -0500 Subject: [PATCH] Add trace points for g_malloc/g_free functions Derived from a patch submitted by Avi Kivity. Signed-off-by: Anthony Liguori --- vl.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/vl.c b/vl.c index 84054295fb..06a6f807a4 100644 --- a/vl.c +++ b/vl.c @@ -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); -- 2.30.2