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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>
This commit is contained in:
Gerd Hoffmann 2021-06-24 12:38:19 +02:00 committed by Paolo Bonzini
parent 5111edaf9e
commit 819b8b13c1
2 changed files with 7 additions and 0 deletions
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3
util/module.c
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@ -24,6 +24,7 @@
#ifdef CONFIG_MODULE_UPGRADES #ifdef CONFIG_MODULE_UPGRADES
#include "qemu-version.h" #include "qemu-version.h"
#endif #endif
#include "trace.h"
typedef struct ModuleEntry typedef struct ModuleEntry
{ {
@ -176,6 +177,7 @@ static int module_load_file(const char *fname, bool mayfail, bool export_symbols
ret = 0; ret = 0;
} }
trace_module_load_module(fname);
QTAILQ_FOREACH_SAFE(e, &dso_init_list, node, next) { QTAILQ_FOREACH_SAFE(e, &dso_init_list, node, next) {
QTAILQ_REMOVE(&dso_init_list, e, node); QTAILQ_REMOVE(&dso_init_list, e, node);
g_free(e); g_free(e);
@ -294,6 +296,7 @@ void module_load_qom_one(const char *type)
return; return;
} }
trace_module_lookup_object_type(type);
for (modinfo = module_info; modinfo->name != NULL; modinfo++) { for (modinfo = module_info; modinfo->name != NULL; modinfo++) {
if (!modinfo->objs) { if (!modinfo->objs) {
continue; continue;

4
util/trace-events
View File

@ -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_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_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" 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"