Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[deliverable/linux.git] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index 2d537186191f1c93ba39a2df1990741f690f3aac..46580edff0cbb14da6603e6a0201d15486775ae4 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -55,6 +55,11 @@
 #include <linux/percpu.h>
 #include <linux/kmemleak.h>
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/module.h>
+
+EXPORT_TRACEPOINT_SYMBOL(module_get);
+
 #if 0
 #define DEBUGP printk
 #else
@@ -942,6 +947,8 @@ void module_put(struct module *module)
        if (module) {
                unsigned int cpu = get_cpu();
                local_dec(__module_ref_addr(module, cpu));
+               trace_module_put(module, _RET_IP_,
+                                local_read(__module_ref_addr(module, cpu)));
                /* Maybe they're waiting for us to drop reference? */
                if (unlikely(!module_is_live(module)))
                        wake_up_process(module->waiter);
@@ -1497,6 +1504,8 @@ static int __unlink_module(void *_mod)
 /* Free a module, remove from lists, etc (must hold module_mutex). */
 static void free_module(struct module *mod)
 {
+       trace_module_free(mod);
+
        /* Delete from various lists */
        stop_machine(__unlink_module, mod, NULL);
        remove_notes_attrs(mod);
@@ -2364,6 +2373,8 @@ static noinline struct module *load_module(void __user *umod,
        /* Get rid of temporary copy */
        vfree(hdr);
 
+       trace_module_load(mod);
+
        /* Done! */
        return mod;