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-rw-r--r--include/linux/ftrace_event.h5
-rw-r--r--include/linux/syscalls.h14
-rw-r--r--include/trace/ftrace.h11
-rw-r--r--include/trace/syscall.h4
4 files changed, 19 insertions, 15 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index e665ed38b4b..479c3c1876e 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -130,6 +130,9 @@ struct ftrace_event_class {
#endif
int (*reg)(struct ftrace_event_call *event,
enum trace_reg type);
+ int (*define_fields)(struct ftrace_event_call *);
+ struct list_head *(*get_fields)(struct ftrace_event_call *);
+ struct list_head fields;
};
struct ftrace_event_call {
@@ -142,8 +145,6 @@ struct ftrace_event_call {
int id;
const char *print_fmt;
int (*raw_init)(struct ftrace_event_call *);
- int (*define_fields)(struct ftrace_event_call *);
- struct list_head fields;
int filter_active;
struct event_filter *filter;
void *mod;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index e3348c4c22e..fd0f1f248cd 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -122,7 +122,7 @@ extern struct ftrace_event_class event_class_syscall_enter;
extern struct ftrace_event_class event_class_syscall_exit;
#define SYSCALL_TRACE_ENTER_EVENT(sname) \
- static const struct syscall_metadata __syscall_meta_##sname; \
+ static struct syscall_metadata __syscall_meta_##sname; \
static struct ftrace_event_call \
__attribute__((__aligned__(4))) event_enter_##sname; \
static struct trace_event enter_syscall_print_##sname = { \
@@ -136,12 +136,11 @@ extern struct ftrace_event_class event_class_syscall_exit;
.class = &event_class_syscall_enter, \
.event = &enter_syscall_print_##sname, \
.raw_init = init_syscall_trace, \
- .define_fields = syscall_enter_define_fields, \
.data = (void *)&__syscall_meta_##sname,\
}
#define SYSCALL_TRACE_EXIT_EVENT(sname) \
- static const struct syscall_metadata __syscall_meta_##sname; \
+ static struct syscall_metadata __syscall_meta_##sname; \
static struct ftrace_event_call \
__attribute__((__aligned__(4))) event_exit_##sname; \
static struct trace_event exit_syscall_print_##sname = { \
@@ -155,14 +154,13 @@ extern struct ftrace_event_class event_class_syscall_exit;
.class = &event_class_syscall_exit, \
.event = &exit_syscall_print_##sname, \
.raw_init = init_syscall_trace, \
- .define_fields = syscall_exit_define_fields, \
.data = (void *)&__syscall_meta_##sname,\
}
#define SYSCALL_METADATA(sname, nb) \
SYSCALL_TRACE_ENTER_EVENT(sname); \
SYSCALL_TRACE_EXIT_EVENT(sname); \
- static const struct syscall_metadata __used \
+ static struct syscall_metadata __used \
__attribute__((__aligned__(4))) \
__attribute__((section("__syscalls_metadata"))) \
__syscall_meta_##sname = { \
@@ -172,12 +170,14 @@ extern struct ftrace_event_class event_class_syscall_exit;
.args = args_##sname, \
.enter_event = &event_enter_##sname, \
.exit_event = &event_exit_##sname, \
+ .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
+ .exit_fields = LIST_HEAD_INIT(__syscall_meta_##sname.exit_fields), \
};
#define SYSCALL_DEFINE0(sname) \
SYSCALL_TRACE_ENTER_EVENT(_##sname); \
SYSCALL_TRACE_EXIT_EVENT(_##sname); \
- static const struct syscall_metadata __used \
+ static struct syscall_metadata __used \
__attribute__((__aligned__(4))) \
__attribute__((section("__syscalls_metadata"))) \
__syscall_meta__##sname = { \
@@ -185,6 +185,8 @@ extern struct ftrace_event_class event_class_syscall_exit;
.nb_args = 0, \
.enter_event = &event_enter__##sname, \
.exit_event = &event_exit__##sname, \
+ .enter_fields = LIST_HEAD_INIT(__syscall_meta__##sname.enter_fields), \
+ .exit_fields = LIST_HEAD_INIT(__syscall_meta__##sname.exit_fields), \
}; \
asmlinkage long sys_##sname(void)
#else
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 26d132418f9..c7e3bcd5d52 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -430,6 +430,9 @@ static inline notrace int ftrace_get_offsets_##call( \
*
* static struct ftrace_event_class __used event_class_<template> = {
* .system = "<system>",
+ * .define_fields = ftrace_define_fields_<call>,
+ * .fields = LIST_HEAD_INIT(event_class_##call.fields), \
+ * .probe = ftrace_raw_event_##call, \
* };
*
* static struct ftrace_event_call __used
@@ -438,10 +441,8 @@ static inline notrace int ftrace_get_offsets_##call( \
* .name = "<call>",
* .class = event_class_<template>,
* .raw_init = trace_event_raw_init,
- * .regfunc = ftrace_raw_reg_event_<call>,
- * .unregfunc = ftrace_raw_unreg_event_<call>,
+ * .event = &ftrace_event_type_<call>,
* .print_fmt = print_fmt_<call>,
- * .define_fields = ftrace_define_fields_<call>,
* };
*
*/
@@ -563,6 +564,8 @@ _TRACE_PERF_PROTO(call, PARAMS(proto)); \
static const char print_fmt_##call[] = print; \
static struct ftrace_event_class __used event_class_##call = { \
.system = __stringify(TRACE_SYSTEM), \
+ .define_fields = ftrace_define_fields_##call, \
+ .fields = LIST_HEAD_INIT(event_class_##call.fields),\
.probe = ftrace_raw_event_##call, \
_TRACE_PERF_INIT(call) \
};
@@ -578,7 +581,6 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
.event = &ftrace_event_type_##call, \
.raw_init = trace_event_raw_init, \
.print_fmt = print_fmt_##template, \
- .define_fields = ftrace_define_fields_##template, \
};
#undef DEFINE_EVENT_PRINT
@@ -594,7 +596,6 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
.event = &ftrace_event_type_##call, \
.raw_init = trace_event_raw_init, \
.print_fmt = print_fmt_##call, \
- .define_fields = ftrace_define_fields_##template, \
}
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index e5e5f48dbfb..39647743cd9 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -25,6 +25,8 @@ struct syscall_metadata {
int nb_args;
const char **types;
const char **args;
+ struct list_head enter_fields;
+ struct list_head exit_fields;
struct ftrace_event_call *enter_event;
struct ftrace_event_call *exit_event;
@@ -34,8 +36,6 @@ struct syscall_metadata {
extern unsigned long arch_syscall_addr(int nr);
extern int init_syscall_trace(struct ftrace_event_call *call);
-extern int syscall_enter_define_fields(struct ftrace_event_call *call);
-extern int syscall_exit_define_fields(struct ftrace_event_call *call);
extern int reg_event_syscall_enter(struct ftrace_event_call *call);
extern void unreg_event_syscall_enter(struct ftrace_event_call *call);
extern int reg_event_syscall_exit(struct ftrace_event_call *call);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 22:02:57 +0000