#include <linux/ftrace_event.h>
/*
- * TRACE_EVENT_TEMPLATE can be used to add a generic function
+ * DECLARE_EVENT_CLASS can be used to add a generic function
* handlers for events. That is, if all events have the same
* parameters and just have distinct trace points.
* Each tracepoint can be defined with DEFINE_EVENT and that
- * will map the TRACE_EVENT_TEMPLATE to the tracepoint.
+ * will map the DECLARE_EVENT_CLASS to the tracepoint.
*
* TRACE_EVENT is a one to one mapping between tracepoint and template.
*/
#undef TRACE_EVENT
#define TRACE_EVENT(name, proto, args, tstruct, assign, print) \
- TRACE_EVENT_TEMPLATE(name, \
+ DECLARE_EVENT_CLASS(name, \
PARAMS(proto), \
PARAMS(args), \
PARAMS(tstruct), \
#undef TP_STRUCT__entry
#define TP_STRUCT__entry(args...) args
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(name, proto, args, tstruct, assign, print) \
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print) \
struct ftrace_raw_##name { \
struct trace_entry ent; \
tstruct \
#define DEFINE_EVENT(template, name, proto, args) \
static struct ftrace_event_call event_##name
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
+ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+
#undef __cpparg
#define __cpparg(arg...) arg
#undef __string
#define __string(item, src) __dynamic_array(char, item, -1)
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, assign, print) \
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
struct ftrace_data_offsets_##call { \
tstruct; \
};
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, name, proto, args)
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
+ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
/*
#undef __get_str
#undef TP_printk
-#define TP_printk(fmt, args...) "%s, %s\n", #fmt, __stringify(args)
+#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 TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, func, print) \
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \
static int \
-ftrace_format_##call(struct ftrace_event_call *unused, \
- struct trace_seq *s) \
+ftrace_format_setup_##call(struct ftrace_event_call *unused, \
+ struct trace_seq *s) \
{ \
struct ftrace_raw_##call field __attribute__((unused)); \
int ret = 0; \
\
tstruct; \
\
- trace_seq_printf(s, "\nprint fmt: " print); \
+ 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)
/*
ftrace_print_symbols_seq(p, value, symbols); \
})
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, assign, print) \
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
static enum print_line_t \
ftrace_raw_output_id_##call(int event_id, const char *name, \
struct trace_iterator *iter, int flags) \
#name, iter, flags); \
}
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, call, proto, args, print) \
+static enum print_line_t \
+ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
+{ \
+ struct trace_seq *s = &iter->seq; \
+ struct ftrace_raw_##template *field; \
+ struct trace_entry *entry; \
+ struct trace_seq *p; \
+ int ret; \
+ \
+ entry = iter->ent; \
+ \
+ if (entry->type != event_##call.id) { \
+ WARN_ON_ONCE(1); \
+ return TRACE_TYPE_UNHANDLED; \
+ } \
+ \
+ field = (typeof(field))entry; \
+ \
+ p = &get_cpu_var(ftrace_event_seq); \
+ trace_seq_init(p); \
+ ret = trace_seq_printf(s, "%s: ", #call); \
+ if (ret) \
+ ret = trace_seq_printf(s, print); \
+ put_cpu(); \
+ if (!ret) \
+ return TRACE_TYPE_PARTIAL_LINE; \
+ \
+ return TRACE_TYPE_HANDLED; \
+}
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
#undef __field_ext
#undef __string
#define __string(item, src) __dynamic_array(char, item, -1)
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, func, print) \
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \
static int \
ftrace_define_fields_##call(struct ftrace_event_call *event_call) \
{ \
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, name, proto, args)
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
+ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
/*
#undef __string
#define __string(item, src) __dynamic_array(char, item, strlen(src) + 1)
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, assign, print) \
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
static inline int ftrace_get_offsets_##call( \
struct ftrace_data_offsets_##call *__data_offsets, proto) \
{ \
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, name, proto, args)
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
+ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
#ifdef CONFIG_EVENT_PROFILE
*
*/
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, assign, print)
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, name, proto, args) \
unregister_trace_##name(ftrace_profile_##name); \
}
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
+ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
#endif
#define __assign_str(dst, src) \
strcpy(__get_str(dst), src);
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, assign, print) \
+#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, \
proto) \
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) \
+ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)
+
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(template, call, proto, args) \
\
static struct ftrace_event_call __used \
__attribute__((__aligned__(4))) \
_TRACE_PROFILE_INIT(call) \
}
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, call, proto, args, 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, \
+ .regfunc = ftrace_raw_reg_event_##call, \
+ .unregfunc = ftrace_raw_unreg_event_##call, \
+ .show_format = ftrace_format_##call, \
+ .define_fields = ftrace_define_fields_##template, \
+ _TRACE_PROFILE_INIT(call) \
+}
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
/*
#undef __perf_count
#define __perf_count(c) __count = (c)
-#undef TRACE_EVENT_TEMPLATE
-#define TRACE_EVENT_TEMPLATE(call, proto, args, tstruct, assign, print) \
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
static void \
ftrace_profile_templ_##call(struct ftrace_event_call *event_call, \
proto) \
ftrace_profile_templ_##template(event_call, args); \
}
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
+ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
#endif /* CONFIG_EVENT_PROFILE */
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