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-rw-r--r--include/trace/trace_events.h384
1 files changed, 9 insertions, 375 deletions
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h
index 08810a463880..c2f9cabf154d 100644
--- a/include/trace/trace_events.h
+++ b/include/trace/trace_events.h
@@ -24,42 +24,7 @@
#define TRACE_SYSTEM_VAR TRACE_SYSTEM
#endif
-#define __app__(x, y) str__##x##y
-#define __app(x, y) __app__(x, y)
-
-#define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
-
-#define TRACE_MAKE_SYSTEM_STR() \
- static const char TRACE_SYSTEM_STRING[] = \
- __stringify(TRACE_SYSTEM)
-
-TRACE_MAKE_SYSTEM_STR();
-
-#undef TRACE_DEFINE_ENUM
-#define TRACE_DEFINE_ENUM(a) \
- static struct trace_eval_map __used __initdata \
- __##TRACE_SYSTEM##_##a = \
- { \
- .system = TRACE_SYSTEM_STRING, \
- .eval_string = #a, \
- .eval_value = a \
- }; \
- static struct trace_eval_map __used \
- __section("_ftrace_eval_map") \
- *TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a
-
-#undef TRACE_DEFINE_SIZEOF
-#define TRACE_DEFINE_SIZEOF(a) \
- static struct trace_eval_map __used __initdata \
- __##TRACE_SYSTEM##_##a = \
- { \
- .system = TRACE_SYSTEM_STRING, \
- .eval_string = "sizeof(" #a ")", \
- .eval_value = sizeof(a) \
- }; \
- static struct trace_eval_map __used \
- __section("_ftrace_eval_map") \
- *TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a
+#include "stages/init.h"
/*
* DECLARE_EVENT_CLASS can be used to add a generic function
@@ -80,43 +45,14 @@ TRACE_MAKE_SYSTEM_STR();
PARAMS(print)); \
DEFINE_EVENT(name, name, PARAMS(proto), PARAMS(args));
-
-#undef __field
-#define __field(type, item) type item;
-
-#undef __field_ext
-#define __field_ext(type, item, filter_type) type item;
-
-#undef __field_struct
-#define __field_struct(type, item) type item;
-
-#undef __field_struct_ext
-#define __field_struct_ext(type, item, filter_type) type item;
-
-#undef __array
-#define __array(type, item, len) type item[len];
-
-#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 __string_len
-#define __string_len(item, src, len) __dynamic_array(char, item, -1)
-
-#undef __bitmask
-#define __bitmask(item, nr_bits) __dynamic_array(char, item, -1)
-
-#undef TP_STRUCT__entry
-#define TP_STRUCT__entry(args...) args
+#include "stages/stage1_struct_define.h"
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print) \
struct trace_event_raw_##name { \
struct trace_entry ent; \
tstruct \
- char __data[0]; \
+ char __data[]; \
}; \
\
static struct trace_event_class event_class_##name;
@@ -173,38 +109,7 @@ TRACE_MAKE_SYSTEM_STR();
* The size of an array is also encoded, in the higher 16 bits of <item>.
*/
-#undef TRACE_DEFINE_ENUM
-#define TRACE_DEFINE_ENUM(a)
-
-#undef TRACE_DEFINE_SIZEOF
-#define TRACE_DEFINE_SIZEOF(a)
-
-#undef __field
-#define __field(type, item)
-
-#undef __field_ext
-#define __field_ext(type, item, filter_type)
-
-#undef __field_struct
-#define __field_struct(type, item)
-
-#undef __field_struct_ext
-#define __field_struct_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 __string_len
-#define __string_len(item, src, len) __dynamic_array(char, item, -1)
-
-#undef __bitmask
-#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
+#include "stages/stage2_data_offsets.h"
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
@@ -276,108 +181,7 @@ TRACE_MAKE_SYSTEM_STR();
* in binary.
*/
-#undef __entry
-#define __entry field
-
-#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_dynamic_array_len
-#define __get_dynamic_array_len(field) \
- ((__entry->__data_loc_##field >> 16) & 0xffff)
-
-#undef __get_str
-#define __get_str(field) ((char *)__get_dynamic_array(field))
-
-#undef __get_bitmask
-#define __get_bitmask(field) \
- ({ \
- void *__bitmask = __get_dynamic_array(field); \
- unsigned int __bitmask_size; \
- __bitmask_size = __get_dynamic_array_len(field); \
- trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \
- })
-
-#undef __print_flags
-#define __print_flags(flag, delim, flag_array...) \
- ({ \
- static const struct trace_print_flags __flags[] = \
- { flag_array, { -1, NULL }}; \
- trace_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 }}; \
- trace_print_symbols_seq(p, value, symbols); \
- })
-
-#undef __print_flags_u64
-#undef __print_symbolic_u64
-#if BITS_PER_LONG == 32
-#define __print_flags_u64(flag, delim, flag_array...) \
- ({ \
- static const struct trace_print_flags_u64 __flags[] = \
- { flag_array, { -1, NULL } }; \
- trace_print_flags_seq_u64(p, delim, flag, __flags); \
- })
-
-#define __print_symbolic_u64(value, symbol_array...) \
- ({ \
- static const struct trace_print_flags_u64 symbols[] = \
- { symbol_array, { -1, NULL } }; \
- trace_print_symbols_seq_u64(p, value, symbols); \
- })
-#else
-#define __print_flags_u64(flag, delim, flag_array...) \
- __print_flags(flag, delim, flag_array)
-
-#define __print_symbolic_u64(value, symbol_array...) \
- __print_symbolic(value, symbol_array)
-#endif
-
-#undef __print_hex
-#define __print_hex(buf, buf_len) \
- trace_print_hex_seq(p, buf, buf_len, false)
-
-#undef __print_hex_str
-#define __print_hex_str(buf, buf_len) \
- trace_print_hex_seq(p, buf, buf_len, true)
-
-#undef __print_array
-#define __print_array(array, count, el_size) \
- ({ \
- BUILD_BUG_ON(el_size != 1 && el_size != 2 && \
- el_size != 4 && el_size != 8); \
- trace_print_array_seq(p, array, count, el_size); \
- })
-
-#undef __print_hex_dump
-#define __print_hex_dump(prefix_str, prefix_type, \
- rowsize, groupsize, buf, len, ascii) \
- trace_print_hex_dump_seq(p, prefix_str, prefix_type, \
- rowsize, groupsize, buf, len, ascii)
-
-#undef __print_ns_to_secs
-#define __print_ns_to_secs(value) \
- ({ \
- u64 ____val = (u64)(value); \
- do_div(____val, NSEC_PER_SEC); \
- ____val; \
- })
-
-#undef __print_ns_without_secs
-#define __print_ns_without_secs(value) \
- ({ \
- u64 ____val = (u64)(value); \
- (u32) do_div(____val, NSEC_PER_SEC); \
- })
+#include "stages/stage3_trace_output.h"
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
@@ -432,44 +236,7 @@ static struct trace_event_functions trace_event_type_funcs_##call = { \
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#undef __field_ext
-#define __field_ext(_type, _item, _filter_type) { \
- .type = #_type, .name = #_item, \
- .size = sizeof(_type), .align = __alignof__(_type), \
- .is_signed = is_signed_type(_type), .filter_type = _filter_type },
-
-#undef __field_struct_ext
-#define __field_struct_ext(_type, _item, _filter_type) { \
- .type = #_type, .name = #_item, \
- .size = sizeof(_type), .align = __alignof__(_type), \
- 0, .filter_type = _filter_type },
-
-#undef __field
-#define __field(type, item) __field_ext(type, item, FILTER_OTHER)
-
-#undef __field_struct
-#define __field_struct(type, item) __field_struct_ext(type, item, FILTER_OTHER)
-
-#undef __array
-#define __array(_type, _item, _len) { \
- .type = #_type"["__stringify(_len)"]", .name = #_item, \
- .size = sizeof(_type[_len]), .align = __alignof__(_type), \
- .is_signed = is_signed_type(_type), .filter_type = FILTER_OTHER },
-
-#undef __dynamic_array
-#define __dynamic_array(_type, _item, _len) { \
- .type = "__data_loc " #_type "[]", .name = #_item, \
- .size = 4, .align = 4, \
- .is_signed = is_signed_type(_type), .filter_type = FILTER_OTHER },
-
-#undef __string
-#define __string(item, src) __dynamic_array(char, item, -1)
-
-#undef __string_len
-#define __string_len(item, src, len) __dynamic_array(char, item, -1)
-
-#undef __bitmask
-#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
+#include "stages/stage4_event_fields.h"
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \
@@ -482,65 +249,7 @@ static struct trace_event_fields trace_event_fields_##call[] = { \
#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)
-
-#undef __field_ext
-#define __field_ext(type, item, filter_type)
-
-#undef __field_struct
-#define __field_struct(type, item)
-
-#undef __field_struct_ext
-#define __field_struct_ext(type, item, filter_type)
-
-#undef __array
-#define __array(type, item, len)
-
-#undef __dynamic_array
-#define __dynamic_array(type, item, len) \
- __item_length = (len) * sizeof(type); \
- __data_offsets->item = __data_size + \
- offsetof(typeof(*entry), __data); \
- __data_offsets->item |= __item_length << 16; \
- __data_size += __item_length;
-
-#undef __string
-#define __string(item, src) __dynamic_array(char, item, \
- strlen((src) ? (const char *)(src) : "(null)") + 1)
-
-#undef __string_len
-#define __string_len(item, src, len) __dynamic_array(char, item, (len) + 1)
-
-/*
- * __bitmask_size_in_bytes_raw is the number of bytes needed to hold
- * num_possible_cpus().
- */
-#define __bitmask_size_in_bytes_raw(nr_bits) \
- (((nr_bits) + 7) / 8)
-
-#define __bitmask_size_in_longs(nr_bits) \
- ((__bitmask_size_in_bytes_raw(nr_bits) + \
- ((BITS_PER_LONG / 8) - 1)) / (BITS_PER_LONG / 8))
-
-/*
- * __bitmask_size_in_bytes is the number of bytes needed to hold
- * num_possible_cpus() padded out to the nearest long. This is what
- * is saved in the buffer, just to be consistent.
- */
-#define __bitmask_size_in_bytes(nr_bits) \
- (__bitmask_size_in_longs(nr_bits) * (BITS_PER_LONG / 8))
-
-#undef __bitmask
-#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, \
- __bitmask_size_in_longs(nr_bits))
+#include "stages/stage5_get_offsets.h"
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
@@ -663,57 +372,7 @@ static inline notrace int trace_event_get_offsets_##call( \
#define _TRACE_PERF_INIT(call)
#endif /* CONFIG_PERF_EVENTS */
-#undef __entry
-#define __entry entry
-
-#undef __field
-#define __field(type, item)
-
-#undef __field_struct
-#define __field_struct(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 __string_len
-#define __string_len(item, src, len) __dynamic_array(char, item, -1)
-
-#undef __assign_str
-#define __assign_str(dst, src) \
- strcpy(__get_str(dst), (src) ? (const char *)(src) : "(null)");
-
-#undef __assign_str_len
-#define __assign_str_len(dst, src, len) \
- do { \
- memcpy(__get_str(dst), (src), (len)); \
- __get_str(dst)[len] = '\0'; \
- } while(0)
-
-#undef __bitmask
-#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
-
-#undef __get_bitmask
-#define __get_bitmask(field) (char *)__get_dynamic_array(field)
-
-#undef __assign_bitmask
-#define __assign_bitmask(dst, src, nr_bits) \
- memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
-
-#undef TP_fast_assign
-#define TP_fast_assign(args...) args
-
-#undef __perf_count
-#define __perf_count(c) (c)
-
-#undef __perf_task
-#define __perf_task(t) (t)
+#include "stages/stage6_event_callback.h"
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
@@ -759,32 +418,7 @@ static inline void ftrace_test_probe_##call(void) \
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#undef __entry
-#define __entry REC
-
-#undef __print_flags
-#undef __print_symbolic
-#undef __print_hex
-#undef __print_hex_str
-#undef __get_dynamic_array
-#undef __get_dynamic_array_len
-#undef __get_str
-#undef __get_bitmask
-#undef __print_array
-#undef __print_hex_dump
-
-/*
- * The below is not executed in the kernel. It is only what is
- * displayed in the print format for userspace to parse.
- */
-#undef __print_ns_to_secs
-#define __print_ns_to_secs(val) (val) / 1000000000UL
-
-#undef __print_ns_without_secs
-#define __print_ns_without_secs(val) (val) % 1000000000UL
-
-#undef TP_printk
-#define TP_printk(fmt, args...) "\"" fmt "\", " __stringify(args)
+#include "stages/stage7_class_define.h"
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.