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authorGerd Hoffmann <kraxel@redhat.com>2021-06-24 12:38:19 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2021-07-09 18:20:27 +0200
commit819b8b13c1bc48080f4ca526c6e12d58a27ea887 (patch)
tree05ee182d404752b1664bf6214464375a90254a6f
parent5111edaf9e9ffac1a1b46d5942200af13b413ea8 (diff)
modules: add tracepoints
One for module load and one for qom type lookup. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-18-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--util/module.c3
-rw-r--r--util/trace-events4
2 files changed, 7 insertions, 0 deletions
diff --git a/util/module.c b/util/module.c
index a9ec2da997..acaaecad56 100644
--- a/util/module.c
+++ b/util/module.c
@@ -24,6 +24,7 @@
#ifdef CONFIG_MODULE_UPGRADES
#include "qemu-version.h"
#endif
+#include "trace.h"
typedef struct ModuleEntry
{
@@ -176,6 +177,7 @@ static int module_load_file(const char *fname, bool mayfail, bool export_symbols
ret = 0;
}
+ trace_module_load_module(fname);
QTAILQ_FOREACH_SAFE(e, &dso_init_list, node, next) {
QTAILQ_REMOVE(&dso_init_list, e, node);
g_free(e);
@@ -294,6 +296,7 @@ void module_load_qom_one(const char *type)
return;
}
+ trace_module_lookup_object_type(type);
for (modinfo = module_info; modinfo->name != NULL; modinfo++) {
if (!modinfo->objs) {
continue;
diff --git a/util/trace-events b/util/trace-events
index 806cac14a7..c8f53d7d9f 100644
--- a/util/trace-events
+++ b/util/trace-events
@@ -100,3 +100,7 @@ uffd_create_fd_api_failed(int err) "errno: %i"
uffd_create_fd_api_noioctl(uint64_t ioctl_req, uint64_t ioctl_supp) "ioctl_req: 0x%" PRIx64 "ioctl_supp: 0x%" PRIx64
uffd_register_memory_failed(void *addr, uint64_t length, uint64_t mode, int err) "addr: %p length: %" PRIu64 " mode: 0x%" PRIx64 " errno: %i"
uffd_unregister_memory_failed(void *addr, uint64_t length, int err) "addr: %p length: %" PRIu64 " errno: %i"
+
+# module.c
+module_load_module(const char *name) "file %s"
+module_lookup_object_type(const char *name) "name %s"