/* * Stage 1 of the trace events. * * Override the macros in <trace/trace_events.h> to include the following: * * struct trace_event_raw_<call> { * struct trace_entry ent; * <type> <item>; * <type2> <item2>[<len>]; * [...] * }; * * The <type> <item> is created by the __field(type, item) macro or * the __array(type2, item2, len) macro. * We simply do "type item;", and that will create the fields * in the structure. */ #include <linux/trace_events.h> #ifndef TRACE_SYSTEM_VAR#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 \ __attribute__((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 \ __attribute__((section("_ftrace_eval_map"))) \ *TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a /* * 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 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) \ DECLARE_EVENT_CLASS(name, \ PARAMS(proto), \ PARAMS(args), \ PARAMS(tstruct), \ PARAMS(assign), \ 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 __bitmask#define __bitmask(item, nr_bits) __dynamic_array(char, item, -1) #undef TP_STRUCT__entry#define TP_STRUCT__entry(args...) args #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]; \ }; \ \ static struct trace_event_class event_class_##name; #undef DEFINE_EVENT#define DEFINE_EVENT(template, name, proto, args) \ static struct trace_event_call __used \ __attribute__((__aligned__(4))) event_##name #undef DEFINE_EVENT_FN#define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) #undef DEFINE_EVENT_PRINT#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) /* Callbacks are meaningless to ftrace. */#undef TRACE_EVENT_FN#define TRACE_EVENT_FN(name, proto, args, tstruct, \ assign, print, reg, unreg) \ TRACE_EVENT(name, PARAMS(proto), PARAMS(args), \ PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \ #undef TRACE_EVENT_FN_COND#define TRACE_EVENT_FN_COND(name, proto, args, cond, tstruct, \ assign, print, reg, unreg) \ TRACE_EVENT_CONDITION(name, PARAMS(proto), PARAMS(args), PARAMS(cond), \ PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \ #undef TRACE_EVENT_FLAGS#define TRACE_EVENT_FLAGS(name, value) \ __TRACE_EVENT_FLAGS(name, value) #undef TRACE_EVENT_PERF_PERM#define TRACE_EVENT_PERF_PERM(name, expr...) \ __TRACE_EVENT_PERF_PERM(name, expr) #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) /* * Stage 2 of the trace events. * * Include the following: * * struct trace_event_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 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 __bitmask#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1) #undef DECLARE_EVENT_CLASS#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ struct trace_event_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)) #undef TRACE_EVENT_FLAGS#define TRACE_EVENT_FLAGS(event, flag) #undef TRACE_EVENT_PERF_PERM#define TRACE_EVENT_PERF_PERM(event, expr...) #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 * trace_raw_output_<call>(struct trace_iterator *iter, int flags) * { * struct trace_seq *s = &iter->seq; * struct trace_event_raw_<call> *field; <-- defined in stage 1 * struct trace_entry *entry; * struct trace_seq *p = &iter->tmp_seq; * int ret; * * entry = iter->ent; * * if (entry->type != event_<call>->event.type) { * WARN_ON_ONCE(1); * return TRACE_TYPE_UNHANDLED; * } * * field = (typeof(field))entry; * * trace_seq_init(p); * ret = trace_seq_printf(s, "%s: ", <call>); * if (ret) * ret = trace_seq_printf(s, <TP_printk> "\n"); * if (!ret) * return TRACE_TYPE_PARTIAL_LINE; * * return TRACE_TYPE_HANDLED; * } * * This is the method used to print the raw event to the trace * output format. Note, this is not needed if the data is read * 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 DECLARE_EVENT_CLASS#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \static notrace enum print_line_t \trace_raw_output_##call(struct trace_iterator *iter, int flags, \ struct trace_event *trace_event) \{ \ struct trace_seq *s = &iter->seq; \ struct trace_seq __maybe_unused *p = &iter->tmp_seq; \ struct trace_event_raw_##call *field; \ int ret; \ \ field = (typeof(field))iter->ent; \ \ ret = trace_raw_output_prep(iter, trace_event); \ if (ret != TRACE_TYPE_HANDLED) \ return ret; \ \ trace_seq_printf(s, print); \ \ return trace_handle_return(s); \} \static struct trace_event_functions trace_event_type_funcs_##call = { \ .trace = trace_raw_output_##call, \}; #undef DEFINE_EVENT_PRINT#define DEFINE_EVENT_PRINT(template, call, proto, args, print) \static notrace enum print_line_t \trace_raw_output_##call(struct trace_iterator *iter, int flags, \ struct trace_event *event) \{ \ struct trace_event_raw_##template *field; \ struct trace_entry *entry; \ struct trace_seq *p = &iter->tmp_seq; \ \ entry = iter->ent; \ \ if (entry->type != event_##call.event.type) { \ WARN_ON_ONCE(1); \ return TRACE_TYPE_UNHANDLED; \ } \ \ field = (typeof(field))entry; \ \ trace_seq_init(p); \ return trace_output_call(iter, #call, print); \} \static struct trace_event_functions trace_event_type_funcs_##call = { \ .trace = trace_raw_output_##call, \}; #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) #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_struct_ext#define __field_struct_ext(type, item, filter_type) \ ret = trace_define_field(event_call, #type, #item, \ offsetof(typeof(field), item), \ sizeof(field.item), \ 0, filter_type); \ if (ret) \ return ret; #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) \ do { \ char *type_str = #type"["__stringify(len)"]"; \ BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ ret = trace_define_field(event_call, type_str, #item, \ offsetof(typeof(field), item), \ sizeof(field.item), \ is_signed_type(type), FILTER_OTHER); \ if (ret) \ return ret; \ } while (0); #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), \ is_signed_type(type), FILTER_OTHER); #undef __string#define __string(item, src) __dynamic_array(char, item, -1) #undef __bitmask#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1) #undef DECLARE_EVENT_CLASS#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \static int notrace __init \trace_event_define_fields_##call(struct trace_event_call *event_call) \{ \ struct trace_event_raw_##call field; \ int ret; \ \ tstruct; \ \ 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) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) #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) Lines 1–500 of 802. Load more
/* * Stage 1 of the trace events. * * Override the macros in <trace/trace_events.h> to include the following: * * struct trace_event_raw_<call> { * struct trace_entry ent; * <type> <item>; * <type2> <item2>[<len>]; * [...] * }; * * The <type> <item> is created by the __field(type, item) macro or * the __array(type2, item2, len) macro. * We simply do "type item;", and that will create the fields * in the structure. */ #include <linux/trace_events.h> #ifndef TRACE_SYSTEM_VAR #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 \ __attribute__((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 \ __attribute__((section("_ftrace_eval_map"))) \ *TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a /* * 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 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) \ DECLARE_EVENT_CLASS(name, \ PARAMS(proto), \ PARAMS(args), \ PARAMS(tstruct), \ PARAMS(assign), \ 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 __bitmask #define __bitmask(item, nr_bits) __dynamic_array(char, item, -1) #undef TP_STRUCT__entry #define TP_STRUCT__entry(args...) args #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]; \ }; \ \ static struct trace_event_class event_class_##name; #undef DEFINE_EVENT #define DEFINE_EVENT(template, name, proto, args) \ static struct trace_event_call __used \ __attribute__((__aligned__(4))) event_##name #undef DEFINE_EVENT_FN #define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) /* Callbacks are meaningless to ftrace. */ #undef TRACE_EVENT_FN #define TRACE_EVENT_FN(name, proto, args, tstruct, \ assign, print, reg, unreg) \ TRACE_EVENT(name, PARAMS(proto), PARAMS(args), \ PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \ #undef TRACE_EVENT_FN_COND #define TRACE_EVENT_FN_COND(name, proto, args, cond, tstruct, \ assign, print, reg, unreg) \ TRACE_EVENT_CONDITION(name, PARAMS(proto), PARAMS(args), PARAMS(cond), \ PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \ #undef TRACE_EVENT_FLAGS #define TRACE_EVENT_FLAGS(name, value) \ __TRACE_EVENT_FLAGS(name, value) #undef TRACE_EVENT_PERF_PERM #define TRACE_EVENT_PERF_PERM(name, expr...) \ __TRACE_EVENT_PERF_PERM(name, expr) #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) /* * Stage 2 of the trace events. * * Include the following: * * struct trace_event_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 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 __bitmask #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1) #undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ struct trace_event_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)) #undef TRACE_EVENT_FLAGS #define TRACE_EVENT_FLAGS(event, flag) #undef TRACE_EVENT_PERF_PERM #define TRACE_EVENT_PERF_PERM(event, expr...) #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 * trace_raw_output_<call>(struct trace_iterator *iter, int flags) * { * struct trace_seq *s = &iter->seq; * struct trace_event_raw_<call> *field; <-- defined in stage 1 * struct trace_entry *entry; * struct trace_seq *p = &iter->tmp_seq; * int ret; * * entry = iter->ent; * * if (entry->type != event_<call>->event.type) { * WARN_ON_ONCE(1); * return TRACE_TYPE_UNHANDLED; * } * * field = (typeof(field))entry; * * trace_seq_init(p); * ret = trace_seq_printf(s, "%s: ", <call>); * if (ret) * ret = trace_seq_printf(s, <TP_printk> "\n"); * if (!ret) * return TRACE_TYPE_PARTIAL_LINE; * * return TRACE_TYPE_HANDLED; * } * * This is the method used to print the raw event to the trace * output format. Note, this is not needed if the data is read * 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 DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ static notrace enum print_line_t \ trace_raw_output_##call(struct trace_iterator *iter, int flags, \ struct trace_event *trace_event) \ { \ struct trace_seq *s = &iter->seq; \ struct trace_seq __maybe_unused *p = &iter->tmp_seq; \ struct trace_event_raw_##call *field; \ int ret; \ \ field = (typeof(field))iter->ent; \ \ ret = trace_raw_output_prep(iter, trace_event); \ if (ret != TRACE_TYPE_HANDLED) \ return ret; \ \ trace_seq_printf(s, print); \ \ return trace_handle_return(s); \ } \ static struct trace_event_functions trace_event_type_funcs_##call = { \ .trace = trace_raw_output_##call, \ }; #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, call, proto, args, print) \ static notrace enum print_line_t \ trace_raw_output_##call(struct trace_iterator *iter, int flags, \ struct trace_event *event) \ { \ struct trace_event_raw_##template *field; \ struct trace_entry *entry; \ struct trace_seq *p = &iter->tmp_seq; \ \ entry = iter->ent; \ \ if (entry->type != event_##call.event.type) { \ WARN_ON_ONCE(1); \ return TRACE_TYPE_UNHANDLED; \ } \ \ field = (typeof(field))entry; \ \ trace_seq_init(p); \ return trace_output_call(iter, #call, print); \ } \ static struct trace_event_functions trace_event_type_funcs_##call = { \ .trace = trace_raw_output_##call, \ }; #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) #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_struct_ext #define __field_struct_ext(type, item, filter_type) \ ret = trace_define_field(event_call, #type, #item, \ offsetof(typeof(field), item), \ sizeof(field.item), \ 0, filter_type); \ if (ret) \ return ret; #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) \ do { \ char *type_str = #type"["__stringify(len)"]"; \ BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ ret = trace_define_field(event_call, type_str, #item, \ offsetof(typeof(field), item), \ sizeof(field.item), \ is_signed_type(type), FILTER_OTHER); \ if (ret) \ return ret; \ } while (0); #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), \ is_signed_type(type), FILTER_OTHER); #undef __string #define __string(item, src) __dynamic_array(char, item, -1) #undef __bitmask #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1) #undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \ static int notrace __init \ trace_event_define_fields_##call(struct trace_event_call *event_call) \ { \ struct trace_event_raw_##call field; \ int ret; \ \ tstruct; \ \ 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) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) #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)