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[PATCH v4 17/34] modules: add tracepoints
From: |
Gerd Hoffmann |
Subject: |
[PATCH v4 17/34] modules: add tracepoints |
Date: |
Thu, 24 Jun 2021 12:38:19 +0200 |
One for module load and one for qom type lookup.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
util/module.c | 3 +++
util/trace-events | 4 ++++
2 files changed, 7 insertions(+)
diff --git a/util/module.c b/util/module.c
index a9ec2da9972e..acaaecad56c9 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 806cac14a762..c8f53d7d9fc3 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"
--
2.31.1
- [PATCH v4 07/34] modules: add chardev module annotations, (continued)
- [PATCH v4 07/34] modules: add chardev module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 06/34] modules: add virtio-gpu module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 09/34] modules: add usb-redir module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 08/34] modules: add audio module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 10/34] modules: add ccid module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 11/34] modules: add ui module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 12/34] modules: add s390x module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 13/34] modules: add block module annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 14/34] modules: use modinfo for dependencies, Gerd Hoffmann, 2021/06/24
- [PATCH v4 15/34] modules: use modinfo for qom load, Gerd Hoffmann, 2021/06/24
- [PATCH v4 17/34] modules: add tracepoints,
Gerd Hoffmann <=
- [PATCH v4 16/34] modules: use modinfo for qemu opts load, Gerd Hoffmann, 2021/06/24
- [PATCH v4 18/34] modules: check arch and block load on mismatch, Gerd Hoffmann, 2021/06/24
- [PATCH v4 19/34] modules: check arch on qom lookup, Gerd Hoffmann, 2021/06/24
- [PATCH v4 20/34] modules: target-specific module build infrastructure, Gerd Hoffmann, 2021/06/24
- [PATCH v4 23/34] modules: module.h kerneldoc annotations, Gerd Hoffmann, 2021/06/24
- [PATCH v4 21/34] modules: add documentation for module sourcesets, Gerd Hoffmann, 2021/06/24
- [PATCH v4 22/34] modules: add module_obj() note to QOM docs, Gerd Hoffmann, 2021/06/24
- [PATCH v4 24/34] modules: hook up modules.h to docs build, Gerd Hoffmann, 2021/06/24
- [PATCH v4 25/34] accel: autoload modules, Gerd Hoffmann, 2021/06/24
- [PATCH v4 26/34] accel: add qtest module annotations, Gerd Hoffmann, 2021/06/24