#include <linux/ftrace_event.h>
-#undef TRACE_FORMAT
-#define TRACE_FORMAT(call, proto, args, fmt)
+#undef __field
+#define __field(type, item) type item;
+
+#undef __field_ext
+#define __field_ext(type, item, filter_type) type item;
#undef __array
#define __array(type, item, len) type item[len];
-#undef __field
-#define __field(type, item) type item;
+#undef __dynamic_array
+#define __dynamic_array(type, item, len) u32 __data_loc_##item;
+
+#undef __string
+#define __string(item, src) __dynamic_array(char, item, -1)
#undef TP_STRUCT__entry
#define TP_STRUCT__entry(args...) args
struct ftrace_raw_##name { \
struct trace_entry ent; \
tstruct \
+ char __data[0]; \
}; \
static struct ftrace_event_call event_##name
+#undef __cpparg
+#define __cpparg(arg...) arg
+
+/* Callbacks are meaningless to ftrace. */
+#undef TRACE_EVENT_FN
+#define TRACE_EVENT_FN(name, proto, args, tstruct, \
+ assign, print, reg, unreg) \
+ TRACE_EVENT(name, __cpparg(proto), __cpparg(args), \
+ __cpparg(tstruct), __cpparg(assign), __cpparg(print)) \
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+
/*
* Stage 2 of the trace events.
*
+ * Include the following:
+ *
+ * struct ftrace_data_offsets_<call> {
+ * u32 <item1>;
+ * u32 <item2>;
+ * [...]
+ * };
+ *
+ * The __dynamic_array() macro will create each u32 <item>, this is
+ * to keep the offset of each array from the beginning of the event.
+ * The size of an array is also encoded, in the higher 16 bits of <item>.
+ */
+
+#undef __field
+#define __field(type, item)
+
+#undef __field_ext
+#define __field_ext(type, item, filter_type)
+
+#undef __array
+#define __array(type, item, len)
+
+#undef __dynamic_array
+#define __dynamic_array(type, item, len) u32 item;
+
+#undef __string
+#define __string(item, src) __dynamic_array(char, item, -1)
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
+ struct ftrace_data_offsets_##call { \
+ tstruct; \
+ };
+
+#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 TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, func, print) \
+static int \
+ftrace_format_##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; \
+}
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+
+/*
+ * Stage 3 of the trace events.
+ *
* Override the macros in <trace/trace_events.h> to include the following:
*
* enum print_line_t
* struct trace_seq *s = &iter->seq;
* struct ftrace_raw_<call> *field; <-- defined in stage 1
* struct trace_entry *entry;
+ * struct trace_seq *p;
* int ret;
*
* entry = iter->ent;
*
* field = (typeof(field))entry;
*
+ * p = get_cpu_var(ftrace_event_seq);
+ * trace_seq_init(p);
* ret = trace_seq_printf(s, <TP_printk> "\n");
+ * put_cpu();
* if (!ret)
* return TRACE_TYPE_PARTIAL_LINE;
*
#undef TP_printk
#define TP_printk(fmt, args...) fmt "\n", args
+#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 __print_flags
+#define __print_flags(flag, delim, flag_array...) \
+ ({ \
+ static const struct trace_print_flags __flags[] = \
+ { flag_array, { -1, NULL }}; \
+ ftrace_print_flags_seq(p, delim, flag, __flags); \
+ })
+
+#undef __print_symbolic
+#define __print_symbolic(value, symbol_array...) \
+ ({ \
+ static const struct trace_print_flags symbols[] = \
+ { symbol_array, { -1, NULL }}; \
+ ftrace_print_symbols_seq(p, value, symbols); \
+ })
+
#undef TRACE_EVENT
#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
-enum print_line_t \
+static enum print_line_t \
ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
{ \
struct trace_seq *s = &iter->seq; \
struct ftrace_raw_##call *field; \
struct trace_entry *entry; \
+ struct trace_seq *p; \
int ret; \
\
entry = iter->ent; \
\
field = (typeof(field))entry; \
\
+ p = &get_cpu_var(ftrace_event_seq); \
+ trace_seq_init(p); \
ret = trace_seq_printf(s, #call ": " print); \
+ put_cpu(); \
if (!ret) \
return TRACE_TYPE_PARTIAL_LINE; \
\
#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_ext
+#define __field_ext(type, item, filter_type) \
+ ret = trace_define_field(event_call, #type, #item, \
+ offsetof(typeof(field), item), \
+ sizeof(field.item), \
+ is_signed_type(type), filter_type); \
+ if (ret) \
+ return ret;
#undef __field
-#define __field(type, item) \
- ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
- "offset:%u;\tsize:%u;\n", \
- (unsigned int)offsetof(typeof(field), item), \
- (unsigned int)sizeof(field.item)); \
- if (!ret) \
- return 0;
+#define __field(type, item) __field_ext(type, item, FILTER_OTHER)
#undef __array
-#define __array(type, item, len) \
- ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t" \
- "offset:%u;\tsize:%u;\n", \
- (unsigned int)offsetof(typeof(field), item), \
- (unsigned int)sizeof(field.item)); \
- if (!ret) \
- return 0;
-
-#undef __entry
-#define __entry REC
+#define __array(type, item, len) \
+ 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); \
+ if (ret) \
+ return ret;
-#undef TP_printk
-#define TP_printk(fmt, args...) "%s, %s\n", #fmt, __stringify(args)
+#undef __dynamic_array
+#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);
-#undef TP_fast_assign
-#define TP_fast_assign(args...) args
+#undef __string
+#define __string(item, src) __dynamic_array(char, item, -1)
#undef TRACE_EVENT
#define TRACE_EVENT(call, proto, args, tstruct, func, print) \
static int \
-ftrace_format_##call(struct trace_seq *s) \
+ftrace_define_fields_##call(struct ftrace_event_call *event_call) \
{ \
struct ftrace_raw_##call field; \
int ret; \
\
- tstruct; \
+ ret = trace_define_common_fields(event_call); \
+ if (ret) \
+ return ret; \
\
- trace_seq_printf(s, "\nprint fmt: " print); \
+ tstruct; \
\
return ret; \
}
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+/*
+ * remember the offset of each array from the beginning of the event.
+ */
+
+#undef __entry
+#define __entry entry
+
#undef __field
-#define __field(type, item) \
- ret = trace_define_field(event_call, #type, #item, \
- offsetof(typeof(field), item), \
- sizeof(field.item)); \
- if (ret) \
- return ret;
+#define __field(type, item)
+
+#undef __field_ext
+#define __field_ext(type, item, filter_type)
#undef __array
-#define __array(type, item, len) \
- BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
- ret = trace_define_field(event_call, #type "[" #len "]", #item, \
- offsetof(typeof(field), item), \
- sizeof(field.item)); \
- if (ret) \
- return ret;
+#define __array(type, item, len)
+
+#undef __dynamic_array
+#define __dynamic_array(type, item, len) \
+ __data_offsets->item = __data_size + \
+ offsetof(typeof(*entry), __data); \
+ __data_offsets->item |= (len * sizeof(type)) << 16; \
+ __data_size += (len) * sizeof(type);
+
+#undef __string
+#define __string(item, src) __dynamic_array(char, item, strlen(src) + 1) \
#undef TRACE_EVENT
-#define TRACE_EVENT(call, proto, args, tstruct, func, print) \
-int \
-ftrace_define_fields_##call(void) \
+#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
+static inline int ftrace_get_offsets_##call( \
+ struct ftrace_data_offsets_##call *__data_offsets, proto) \
{ \
- struct ftrace_raw_##call field; \
- struct ftrace_event_call *event_call = &event_##call; \
- int ret; \
- \
- __common_field(unsigned char, type); \
- __common_field(unsigned char, flags); \
- __common_field(unsigned char, preempt_count); \
- __common_field(int, pid); \
- __common_field(int, tgid); \
+ int __data_size = 0; \
+ struct ftrace_raw_##call __maybe_unused *entry; \
\
tstruct; \
\
- return ret; \
+ return __data_size; \
}
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+#ifdef CONFIG_EVENT_PROFILE
+
/*
- * Stage 3 of the trace events.
+ * Generate the functions needed for tracepoint perf_event support.
+ *
+ * NOTE: The insertion profile callback (ftrace_profile_<call>) is defined later
+ *
+ * static int ftrace_profile_enable_<call>(void)
+ * {
+ * return register_trace_<call>(ftrace_profile_<call>);
+ * }
+ *
+ * static void ftrace_profile_disable_<call>(void)
+ * {
+ * unregister_trace_<call>(ftrace_profile_<call>);
+ * }
+ *
+ */
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
+ \
+static void ftrace_profile_##call(proto); \
+ \
+static int ftrace_profile_enable_##call(void) \
+{ \
+ return register_trace_##call(ftrace_profile_##call); \
+} \
+ \
+static void ftrace_profile_disable_##call(void) \
+{ \
+ unregister_trace_##call(ftrace_profile_##call); \
+}
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+
+#endif
+
+/*
+ * Stage 4 of the trace events.
*
* Override the macros in <trace/trace_events.h> to include the following:
*
* unregister_trace_<call>(ftrace_event_<call>);
* }
*
- * For those macros defined with TRACE_FORMAT:
- *
- * static struct ftrace_event_call __used
- * __attribute__((__aligned__(4)))
- * __attribute__((section("_ftrace_events"))) event_<call> = {
- * .name = "<call>",
- * .regfunc = ftrace_reg_event_<call>,
- * .unregfunc = ftrace_unreg_event_<call>,
- * }
- *
*
* For those macros defined with TRACE_EVENT:
*
* {
* struct ring_buffer_event *event;
* struct ftrace_raw_<call> *entry; <-- defined in stage 1
+ * struct ring_buffer *buffer;
* unsigned long irq_flags;
* int pc;
*
* local_save_flags(irq_flags);
* pc = preempt_count();
*
- * event = trace_current_buffer_lock_reserve(event_<call>.id,
+ * event = trace_current_buffer_lock_reserve(&buffer,
+ * event_<call>.id,
* sizeof(struct ftrace_raw_<call>),
* irq_flags, pc);
* if (!event)
* <assign>; <-- Here we assign the entries by the __field and
* __array macros.
*
- * trace_current_buffer_unlock_commit(event, irq_flags, pc);
+ * trace_current_buffer_unlock_commit(buffer, event, irq_flags, pc);
* }
*
* static int ftrace_raw_reg_event_<call>(void)
#define TP_FMT(fmt, args...) fmt "\n", ##args
#ifdef CONFIG_EVENT_PROFILE
-#define _TRACE_PROFILE(call, proto, args) \
-static void ftrace_profile_##call(proto) \
-{ \
- extern void perf_tpcounter_event(int); \
- perf_tpcounter_event(event_##call.id); \
-} \
- \
-static int ftrace_profile_enable_##call(struct ftrace_event_call *call) \
-{ \
- int ret = 0; \
- \
- if (!atomic_inc_return(&call->profile_count)) \
- ret = register_trace_##call(ftrace_profile_##call); \
- \
- return ret; \
-} \
- \
-static void ftrace_profile_disable_##call(struct ftrace_event_call *call) \
-{ \
- if (atomic_add_negative(-1, &call->profile_count)) \
- unregister_trace_##call(ftrace_profile_##call); \
-}
#define _TRACE_PROFILE_INIT(call) \
.profile_count = ATOMIC_INIT(-1), \
.profile_disable = ftrace_profile_disable_##call,
#else
-#define _TRACE_PROFILE(call, proto, args)
#define _TRACE_PROFILE_INIT(call)
#endif
-#define _TRACE_FORMAT(call, proto, args, fmt) \
-static void ftrace_event_##call(proto) \
-{ \
- event_trace_printk(_RET_IP_, #call ": " fmt); \
-} \
- \
-static int ftrace_reg_event_##call(void) \
-{ \
- int ret; \
- \
- ret = register_trace_##call(ftrace_event_##call); \
- if (ret) \
- pr_info("event trace: Could not activate trace point " \
- "probe to " #call "\n"); \
- return ret; \
-} \
- \
-static void ftrace_unreg_event_##call(void) \
-{ \
- unregister_trace_##call(ftrace_event_##call); \
-} \
- \
-static struct ftrace_event_call event_##call; \
- \
-static int ftrace_init_event_##call(void) \
-{ \
- int id; \
- \
- id = register_ftrace_event(NULL); \
- if (!id) \
- return -ENODEV; \
- event_##call.id = id; \
- return 0; \
-}
-
-#undef TRACE_FORMAT
-#define TRACE_FORMAT(call, proto, args, fmt) \
-_TRACE_FORMAT(call, PARAMS(proto), PARAMS(args), PARAMS(fmt)) \
-_TRACE_PROFILE(call, PARAMS(proto), PARAMS(args)) \
-static struct ftrace_event_call __used \
-__attribute__((__aligned__(4))) \
-__attribute__((section("_ftrace_events"))) event_##call = { \
- .name = #call, \
- .system = __stringify(TRACE_SYSTEM), \
- .raw_init = ftrace_init_event_##call, \
- .regfunc = ftrace_reg_event_##call, \
- .unregfunc = ftrace_unreg_event_##call, \
- _TRACE_PROFILE_INIT(call) \
-}
-
#undef __entry
#define __entry entry
+#undef __field
+#define __field(type, item)
+
+#undef __array
+#define __array(type, item, len)
+
+#undef __dynamic_array
+#define __dynamic_array(type, item, len) \
+ __entry->__data_loc_##item = __data_offsets.item;
+
+#undef __string
+#define __string(item, src) __dynamic_array(char, item, -1) \
+
+#undef __assign_str
+#define __assign_str(dst, src) \
+ strcpy(__get_str(dst), src);
+
#undef TRACE_EVENT
#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
-_TRACE_PROFILE(call, PARAMS(proto), PARAMS(args)) \
\
static struct ftrace_event_call event_##call; \
\
static void ftrace_raw_event_##call(proto) \
{ \
- struct ftrace_event_call *call = &event_##call; \
+ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
+ struct ftrace_event_call *event_call = &event_##call; \
struct ring_buffer_event *event; \
struct ftrace_raw_##call *entry; \
+ struct ring_buffer *buffer; \
unsigned long irq_flags; \
+ int __data_size; \
int pc; \
\
local_save_flags(irq_flags); \
pc = preempt_count(); \
\
- event = trace_current_buffer_lock_reserve(event_##call.id, \
- sizeof(struct ftrace_raw_##call), \
- irq_flags, pc); \
+ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
+ \
+ event = trace_current_buffer_lock_reserve(&buffer, \
+ event_##call.id, \
+ sizeof(*entry) + __data_size, \
+ irq_flags, pc); \
if (!event) \
return; \
entry = ring_buffer_event_data(event); \
\
- assign; \
\
- if (!filter_current_check_discard(call, entry, event)) \
- trace_nowake_buffer_unlock_commit(event, irq_flags, pc); \
+ tstruct \
+ \
+ { assign; } \
+ \
+ if (!filter_current_check_discard(buffer, event_call, entry, event)) \
+ trace_nowake_buffer_unlock_commit(buffer, \
+ event, irq_flags, pc); \
} \
\
-static int ftrace_raw_reg_event_##call(void) \
+static int ftrace_raw_reg_event_##call(void *ptr) \
{ \
int ret; \
\
return ret; \
} \
\
-static void ftrace_raw_unreg_event_##call(void) \
+static void ftrace_raw_unreg_event_##call(void *ptr) \
{ \
unregister_trace_##call(ftrace_raw_event_##call); \
} \
return -ENODEV; \
event_##call.id = id; \
INIT_LIST_HEAD(&event_##call.fields); \
- init_preds(&event_##call); \
return 0; \
} \
\
__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, \
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#undef _TRACE_PROFILE
+/*
+ * Define the insertion callback to profile events
+ *
+ * The job is very similar to ftrace_raw_event_<call> except that we don't
+ * insert in the ring buffer but in a perf counter.
+ *
+ * static void ftrace_profile_<call>(proto)
+ * {
+ * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
+ * struct ftrace_event_call *event_call = &event_<call>;
+ * extern void perf_tp_event(int, u64, u64, void *, int);
+ * struct ftrace_raw_##call *entry;
+ * u64 __addr = 0, __count = 1;
+ * unsigned long irq_flags;
+ * struct trace_entry *ent;
+ * int __entry_size;
+ * int __data_size;
+ * int __cpu
+ * int pc;
+ *
+ * pc = preempt_count();
+ *
+ * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
+ *
+ * // Below we want to get the aligned size by taking into account
+ * // the u32 field that will later store the buffer size
+ * __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),
+ * sizeof(u64));
+ * __entry_size -= sizeof(u32);
+ *
+ * // Protect the non nmi buffer
+ * // This also protects the rcu read side
+ * local_irq_save(irq_flags);
+ * __cpu = smp_processor_id();
+ *
+ * if (in_nmi())
+ * raw_data = rcu_dereference(trace_profile_buf_nmi);
+ * else
+ * raw_data = rcu_dereference(trace_profile_buf);
+ *
+ * if (!raw_data)
+ * goto end;
+ *
+ * raw_data = per_cpu_ptr(raw_data, __cpu);
+ *
+ * //zero dead bytes from alignment to avoid stack leak to userspace:
+ * *(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL;
+ * entry = (struct ftrace_raw_<call> *)raw_data;
+ * ent = &entry->ent;
+ * tracing_generic_entry_update(ent, irq_flags, pc);
+ * ent->type = event_call->id;
+ *
+ * <tstruct> <- do some jobs with dynamic arrays
+ *
+ * <assign> <- affect our values
+ *
+ * perf_tp_event(event_call->id, __addr, __count, entry,
+ * __entry_size); <- submit them to perf counter
+ *
+ * }
+ */
+
+#ifdef CONFIG_EVENT_PROFILE
+
+#undef __perf_addr
+#define __perf_addr(a) __addr = (a)
+
+#undef __perf_count
+#define __perf_count(c) __count = (c)
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
+static void ftrace_profile_##call(proto) \
+{ \
+ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
+ struct ftrace_event_call *event_call = &event_##call; \
+ extern void perf_tp_event(int, u64, u64, void *, int); \
+ struct ftrace_raw_##call *entry; \
+ u64 __addr = 0, __count = 1; \
+ unsigned long irq_flags; \
+ struct trace_entry *ent; \
+ int __entry_size; \
+ int __data_size; \
+ char *raw_data; \
+ int __cpu; \
+ int pc; \
+ \
+ pc = preempt_count(); \
+ \
+ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
+ __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
+ sizeof(u64)); \
+ __entry_size -= sizeof(u32); \
+ \
+ if (WARN_ONCE(__entry_size > FTRACE_MAX_PROFILE_SIZE, \
+ "profile buffer not large enough")) \
+ return; \
+ \
+ local_irq_save(irq_flags); \
+ __cpu = smp_processor_id(); \
+ \
+ if (in_nmi()) \
+ raw_data = rcu_dereference(trace_profile_buf_nmi); \
+ else \
+ raw_data = rcu_dereference(trace_profile_buf); \
+ \
+ if (!raw_data) \
+ goto end; \
+ \
+ raw_data = per_cpu_ptr(raw_data, __cpu); \
+ \
+ *(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL; \
+ entry = (struct ftrace_raw_##call *)raw_data; \
+ ent = &entry->ent; \
+ tracing_generic_entry_update(ent, irq_flags, pc); \
+ ent->type = event_call->id; \
+ \
+ tstruct \
+ \
+ { assign; } \
+ \
+ perf_tp_event(event_call->id, __addr, __count, entry, \
+ __entry_size); \
+ \
+end: \
+ local_irq_restore(irq_flags); \
+ \
+}
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+#endif /* CONFIG_EVENT_PROFILE */
+
#undef _TRACE_PROFILE_INIT