From 819b8b13c1bc48080f4ca526c6e12d58a27ea887 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 24 Jun 2021 12:38:19 +0200 Subject: [PATCH] modules: add tracepoints One for module load and one for qom type lookup. Signed-off-by: Gerd Hoffmann Reviewed-by: Jose R. Ziviani Message-Id: <20210624103836.2382472-18-kraxel@redhat.com> Signed-off-by: Paolo Bonzini --- util/module.c | 3 +++ util/trace-events | 4 ++++ 2 files changed, 7 insertions(+) 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" -- 2.11.4.GIT