};
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, name, proto, args) \
- static struct ftrace_event_call event_##name
+ static struct ftrace_event_call \
+ __attribute__((__aligned__(4))) event_##name
#undef DEFINE_EVENT_PRINT
#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-/*
- * Setup the showing format of trace point.
- *
- * int
- * ftrace_format_##call(struct trace_seq *s)
- * {
- * struct ftrace_raw_##call field;
- * int ret;
- *
- * ret = trace_seq_printf(s, #type " " #item ";"
- * " offset:%u; size:%u;\n",
- * offsetof(struct ftrace_raw_##call, item),
- * sizeof(field.type));
- *
- * }
- */
-
-#undef TP_STRUCT__entry
-#define TP_STRUCT__entry(args...) args
-
-#undef __field
-#define __field(type, item) \
- ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
- "offset:%u;\tsize:%u;\tsigned:%u;\n", \
- (unsigned int)offsetof(typeof(field), item), \
- (unsigned int)sizeof(field.item), \
- (unsigned int)is_signed_type(type)); \
- if (!ret) \
- return 0;
-
-#undef __field_ext
-#define __field_ext(type, item, filter_type) __field(type, item)
-
-#undef __array
-#define __array(type, item, len) \
- ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t" \
- "offset:%u;\tsize:%u;\tsigned:%u;\n", \
- (unsigned int)offsetof(typeof(field), item), \
- (unsigned int)sizeof(field.item), \
- (unsigned int)is_signed_type(type)); \
- if (!ret) \
- return 0;
-
-#undef __dynamic_array
-#define __dynamic_array(type, item, len) \
- ret = trace_seq_printf(s, "\tfield:__data_loc " #type "[] " #item ";\t"\
- "offset:%u;\tsize:%u;\tsigned:%u;\n", \
- (unsigned int)offsetof(typeof(field), \
- __data_loc_##item), \
- (unsigned int)sizeof(field.__data_loc_##item), \
- (unsigned int)is_signed_type(type)); \
- if (!ret) \
- return 0;
-
-#undef __string
-#define __string(item, src) __dynamic_array(char, item, -1)
-
-#undef __entry
-#define __entry REC
-
-#undef __print_symbolic
-#undef __get_dynamic_array
-#undef __get_str
-
-#undef TP_printk
-#define TP_printk(fmt, args...) "\"%s\", %s\n", fmt, __stringify(args)
-
-#undef TP_fast_assign
-#define TP_fast_assign(args...) args
-
-#undef TP_perf_assign
-#define TP_perf_assign(args...)
-
-#undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \
-static int \
-ftrace_format_setup_##call(struct ftrace_event_call *unused, \
- struct trace_seq *s) \
-{ \
- struct ftrace_raw_##call field __attribute__((unused)); \
- int ret = 0; \
- \
- tstruct; \
- \
- return ret; \
-} \
- \
-static int \
-ftrace_format_##call(struct ftrace_event_call *unused, \
- struct trace_seq *s) \
-{ \
- int ret = 0; \
- \
- ret = ftrace_format_setup_##call(unused, s); \
- if (!ret) \
- return ret; \
- \
- ret = trace_seq_printf(s, "\nprint fmt: " print); \
- \
- return ret; \
-}
-
-#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, name, proto, args)
-
-#undef DEFINE_EVENT_PRINT
-#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
-static int \
-ftrace_format_##name(struct ftrace_event_call *unused, \
- struct trace_seq *s) \
-{ \
- int ret = 0; \
- \
- ret = ftrace_format_setup_##template(unused, s); \
- if (!ret) \
- return ret; \
- \
- trace_seq_printf(s, "\nprint fmt: " print); \
- \
- return ret; \
-}
-
-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-
/*
* Stage 3 of the trace events.
*
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
-static enum print_line_t \
+static notrace enum print_line_t \
ftrace_raw_output_id_##call(int event_id, const char *name, \
struct trace_iterator *iter, int flags) \
{ \
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, name, proto, args) \
-static enum print_line_t \
+static notrace enum print_line_t \
ftrace_raw_output_##name(struct trace_iterator *iter, int flags) \
{ \
return ftrace_raw_output_id_##template(event_##name.id, \
#undef DEFINE_EVENT_PRINT
#define DEFINE_EVENT_PRINT(template, call, proto, args, print) \
-static enum print_line_t \
+static notrace enum print_line_t \
ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
{ \
struct trace_seq *s = &iter->seq; \
BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
ret = trace_define_field(event_call, #type "[" #len "]", #item, \
offsetof(typeof(field), item), \
- sizeof(field.item), 0, FILTER_OTHER); \
+ sizeof(field.item), \
+ is_signed_type(type), FILTER_OTHER); \
if (ret) \
return ret;
#define __dynamic_array(type, item, len) \
ret = trace_define_field(event_call, "__data_loc " #type "[]", #item, \
offsetof(typeof(field), __data_loc_##item), \
- sizeof(field.__data_loc_##item), 0, \
- FILTER_OTHER);
+ sizeof(field.__data_loc_##item), \
+ is_signed_type(type), FILTER_OTHER);
#undef __string
#define __string(item, src) __dynamic_array(char, item, -1)
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \
-static int \
+static int notrace \
ftrace_define_fields_##call(struct ftrace_event_call *event_call) \
{ \
struct ftrace_raw_##call field; \
int ret; \
\
- ret = trace_define_common_fields(event_call); \
- if (ret) \
- return ret; \
- \
tstruct; \
\
return ret; \
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
-static inline int ftrace_get_offsets_##call( \
+static inline notrace int ftrace_get_offsets_##call( \
struct ftrace_data_offsets_##call *__data_offsets, proto) \
{ \
int __data_size = 0; \
\
static void ftrace_profile_##name(proto); \
\
-static int ftrace_profile_enable_##name(struct ftrace_event_call *unused)\
+static notrace int \
+ftrace_profile_enable_##name(struct ftrace_event_call *unused) \
{ \
return register_trace_##name(ftrace_profile_##name); \
} \
\
-static void ftrace_profile_disable_##name(struct ftrace_event_call *unused)\
+static notrace void \
+ftrace_profile_disable_##name(struct ftrace_event_call *unused) \
{ \
unregister_trace_##name(ftrace_profile_##name); \
}
*
* static int ftrace_reg_event_<call>(struct ftrace_event_call *unused)
* {
- * int ret;
- *
- * ret = register_trace_<call>(ftrace_event_<call>);
- * if (!ret)
- * pr_info("event trace: Could not activate trace point "
- * "probe to <call>");
- * return ret;
+ * return register_trace_<call>(ftrace_event_<call>);
* }
*
* static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
* .trace = ftrace_raw_output_<call>, <-- stage 2
* };
*
- * static int ftrace_raw_init_event_<call>(struct ftrace_event_call *unused)
- * {
- * int id;
- *
- * id = register_ftrace_event(&ftrace_event_type_<call>);
- * if (!id)
- * return -ENODEV;
- * event_<call>.id = id;
- * return 0;
- * }
- *
* static struct ftrace_event_call __used
* __attribute__((__aligned__(4)))
* __attribute__((section("_ftrace_events"))) event_<call> = {
* .name = "<call>",
* .system = "<system>",
- * .raw_init = ftrace_raw_init_event_<call>,
+ * .raw_init = trace_event_raw_init,
* .regfunc = ftrace_reg_event_<call>,
* .unregfunc = ftrace_unreg_event_<call>,
- * .show_format = ftrace_format_<call>,
* }
*
*/
-#undef TP_FMT
-#define TP_FMT(fmt, args...) fmt "\n", ##args
-
#ifdef CONFIG_EVENT_PROFILE
#define _TRACE_PROFILE_INIT(call) \
- .profile_count = ATOMIC_INIT(-1), \
.profile_enable = ftrace_profile_enable_##call, \
.profile_disable = ftrace_profile_disable_##call,
#define __assign_str(dst, src) \
strcpy(__get_str(dst), src);
+#undef TP_fast_assign
+#define TP_fast_assign(args...) args
+
+#undef TP_perf_assign
+#define TP_perf_assign(args...)
+
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
\
-static void ftrace_raw_event_id_##call(struct ftrace_event_call *event_call, \
+static notrace void \
+ftrace_raw_event_id_##call(struct ftrace_event_call *event_call, \
proto) \
{ \
struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, call, proto, args) \
\
-static void ftrace_raw_event_##call(proto) \
+static notrace void ftrace_raw_event_##call(proto) \
{ \
ftrace_raw_event_id_##template(&event_##call, args); \
} \
\
-static int ftrace_raw_reg_event_##call(struct ftrace_event_call *unused)\
+static notrace int \
+ftrace_raw_reg_event_##call(struct ftrace_event_call *unused) \
{ \
- int ret; \
- \
- ret = register_trace_##call(ftrace_raw_event_##call); \
- if (ret) \
- pr_info("event trace: Could not activate trace point " \
- "probe to " #call "\n"); \
- return ret; \
+ return register_trace_##call(ftrace_raw_event_##call); \
} \
\
-static void ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused)\
+static notrace void \
+ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused) \
{ \
unregister_trace_##call(ftrace_raw_event_##call); \
} \
\
static struct trace_event ftrace_event_type_##call = { \
.trace = ftrace_raw_output_##call, \
-}; \
- \
-static int ftrace_raw_init_event_##call(struct ftrace_event_call *unused)\
-{ \
- int id; \
- \
- id = register_ftrace_event(&ftrace_event_type_##call); \
- if (!id) \
- return -ENODEV; \
- event_##call.id = id; \
- INIT_LIST_HEAD(&event_##call.fields); \
- return 0; \
-}
+};
#undef DEFINE_EVENT_PRINT
#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+#undef __entry
+#define __entry REC
+
+#undef __print_flags
+#undef __print_symbolic
+#undef __get_dynamic_array
+#undef __get_str
+
+#undef TP_printk
+#define TP_printk(fmt, args...) "\"" fmt "\", " __stringify(args)
+
#undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
+static const char print_fmt_##call[] = print;
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, call, proto, args) \
.name = #call, \
.system = __stringify(TRACE_SYSTEM), \
.event = &ftrace_event_type_##call, \
- .raw_init = ftrace_raw_init_event_##call, \
+ .raw_init = trace_event_raw_init, \
.regfunc = ftrace_raw_reg_event_##call, \
.unregfunc = ftrace_raw_unreg_event_##call, \
- .show_format = ftrace_format_##template, \
+ .print_fmt = print_fmt_##template, \
.define_fields = ftrace_define_fields_##template, \
_TRACE_PROFILE_INIT(call) \
}
#undef DEFINE_EVENT_PRINT
#define DEFINE_EVENT_PRINT(template, call, proto, args, print) \
\
+static const char print_fmt_##call[] = print; \
+ \
static struct ftrace_event_call __used \
__attribute__((__aligned__(4))) \
__attribute__((section("_ftrace_events"))) event_##call = { \
.name = #call, \
.system = __stringify(TRACE_SYSTEM), \
.event = &ftrace_event_type_##call, \
- .raw_init = ftrace_raw_init_event_##call, \
+ .raw_init = trace_event_raw_init, \
.regfunc = ftrace_raw_reg_event_##call, \
.unregfunc = ftrace_raw_unreg_event_##call, \
- .show_format = ftrace_format_##call, \
+ .print_fmt = print_fmt_##call, \
.define_fields = ftrace_define_fields_##template, \
_TRACE_PROFILE_INIT(call) \
}
#ifdef CONFIG_EVENT_PROFILE
+#undef __entry
+#define __entry entry
+
+#undef __get_dynamic_array
+#define __get_dynamic_array(field) \
+ ((void *)__entry + (__entry->__data_loc_##field & 0xffff))
+
+#undef __get_str
+#define __get_str(field) (char *)__get_dynamic_array(field)
+
#undef __perf_addr
#define __perf_addr(a) __addr = (a)
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
-static void \
+static notrace void \
ftrace_profile_templ_##call(struct ftrace_event_call *event_call, \
proto) \
{ \
perf_swevent_put_recursion_context(rctx); \
end_recursion: \
local_irq_restore(irq_flags); \
- \
}
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, call, proto, args) \
-static void ftrace_profile_##call(proto) \
+static notrace void ftrace_profile_##call(proto) \
{ \
struct ftrace_event_call *event_call = &event_##call; \
\