/* * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License (not later!) * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see <http://www.gnu.org/licenses> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */#ifndef _PARSE_EVENTS_H#define _PARSE_EVENTS_H #include <stdbool.h>#include <stdarg.h>#include <stdio.h>#include <regex.h>#include <string.h> #ifndef __maybe_unused#define __maybe_unused __attribute__((unused))#endif /* ----------------------- trace_seq ----------------------- */ #ifndef TRACE_SEQ_BUF_SIZE#define TRACE_SEQ_BUF_SIZE 4096#endif #ifndef DEBUG_RECORD#define DEBUG_RECORD 0#endif struct pevent_record { unsigned long long ts; unsigned long long offset; long long missed_events; /* buffer dropped events before */ int record_size; /* size of binary record */ int size; /* size of data */ void *data; int cpu; int ref_count; int locked; /* Do not free, even if ref_count is zero */ void *priv;#if DEBUG_RECORD struct pevent_record *prev; struct pevent_record *next; long alloc_addr;#endif}; enum trace_seq_fail { TRACE_SEQ__GOOD, TRACE_SEQ__BUFFER_POISONED, TRACE_SEQ__MEM_ALLOC_FAILED,}; /* * Trace sequences are used to allow a function to call several other functions * to create a string of data to use (up to a max of PAGE_SIZE). */ struct trace_seq { char *buffer; unsigned int buffer_size; unsigned int len; unsigned int readpos; enum trace_seq_fail state;}; void trace_seq_init(struct trace_seq *s);void trace_seq_reset(struct trace_seq *s);void trace_seq_destroy(struct trace_seq *s); extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args) __attribute__ ((format (printf, 2, 0))); extern int trace_seq_puts(struct trace_seq *s, const char *str);extern int trace_seq_putc(struct trace_seq *s, unsigned char c); extern void trace_seq_terminate(struct trace_seq *s); extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp);extern int trace_seq_do_printf(struct trace_seq *s); /* ----------------------- pevent ----------------------- */ struct pevent;struct event_format; typedef int (*pevent_event_handler_func)(struct trace_seq *s, struct pevent_record *record, struct event_format *event, void *context); typedef int (*pevent_plugin_load_func)(struct pevent *pevent);typedef int (*pevent_plugin_unload_func)(struct pevent *pevent); struct pevent_plugin_option { struct pevent_plugin_option *next; void *handle; char *file; char *name; char *plugin_alias; char *description; const char *value; void *priv; int set;}; /* * Plugin hooks that can be called: * * PEVENT_PLUGIN_LOADER: (required) * The function name to initialized the plugin. * * int PEVENT_PLUGIN_LOADER(struct pevent *pevent) * * PEVENT_PLUGIN_UNLOADER: (optional) * The function called just before unloading * * int PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) * * PEVENT_PLUGIN_OPTIONS: (optional) * Plugin options that can be set before loading * * struct pevent_plugin_option PEVENT_PLUGIN_OPTIONS[] = { * { * .name = "option-name", * .plugin_alias = "override-file-name", (optional) * .description = "description of option to show users", * }, * { * .name = NULL, * }, * }; * * Array must end with .name = NULL; * * * .plugin_alias is used to give a shorter name to access * the vairable. Useful if a plugin handles more than one event. * * If .value is not set, then it is considered a boolean and only * .set will be processed. If .value is defined, then it is considered * a string option and .set will be ignored. * * PEVENT_PLUGIN_ALIAS: (optional) * The name to use for finding options (uses filename if not defined) */#define PEVENT_PLUGIN_LOADER pevent_plugin_loader#define PEVENT_PLUGIN_UNLOADER pevent_plugin_unloader#define PEVENT_PLUGIN_OPTIONS pevent_plugin_options#define PEVENT_PLUGIN_ALIAS pevent_plugin_alias#define _MAKE_STR(x) #x#define MAKE_STR(x) _MAKE_STR(x)#define PEVENT_PLUGIN_LOADER_NAME MAKE_STR(PEVENT_PLUGIN_LOADER)#define PEVENT_PLUGIN_UNLOADER_NAME MAKE_STR(PEVENT_PLUGIN_UNLOADER)#define PEVENT_PLUGIN_OPTIONS_NAME MAKE_STR(PEVENT_PLUGIN_OPTIONS)#define PEVENT_PLUGIN_ALIAS_NAME MAKE_STR(PEVENT_PLUGIN_ALIAS) enum format_flags { FIELD_IS_ARRAY = 1, FIELD_IS_POINTER = 2, FIELD_IS_SIGNED = 4, FIELD_IS_STRING = 8, FIELD_IS_DYNAMIC = 16, FIELD_IS_LONG = 32, FIELD_IS_FLAG = 64, FIELD_IS_SYMBOLIC = 128,}; struct format_field { struct format_field *next; struct event_format *event; char *type; char *name; char *alias; int offset; int size; unsigned int arraylen; unsigned int elementsize; unsigned long flags;}; struct format { int nr_common; int nr_fields; struct format_field *common_fields; struct format_field *fields;}; struct print_arg_atom { char *atom;}; struct print_arg_string { char *string; int offset;}; struct print_arg_bitmask { char *bitmask; int offset;}; struct print_arg_field { char *name; struct format_field *field;}; struct print_flag_sym { struct print_flag_sym *next; char *value; char *str;}; struct print_arg_typecast { char *type; struct print_arg *item;}; struct print_arg_flags { struct print_arg *field; char *delim; struct print_flag_sym *flags;}; struct print_arg_symbol { struct print_arg *field; struct print_flag_sym *symbols;}; struct print_arg_hex { struct print_arg *field; struct print_arg *size;}; struct print_arg_int_array { struct print_arg *field; struct print_arg *count; struct print_arg *el_size;}; struct print_arg_dynarray { struct format_field *field; struct print_arg *index;}; struct print_arg; struct print_arg_op { char *op; int prio; struct print_arg *left; struct print_arg *right;}; struct pevent_function_handler; struct print_arg_func { struct pevent_function_handler *func; struct print_arg *args;}; enum print_arg_type { PRINT_NULL, PRINT_ATOM, PRINT_FIELD, PRINT_FLAGS, PRINT_SYMBOL, PRINT_HEX, PRINT_INT_ARRAY, PRINT_TYPE, PRINT_STRING, PRINT_BSTRING, PRINT_DYNAMIC_ARRAY, PRINT_OP, PRINT_FUNC, PRINT_BITMASK, PRINT_DYNAMIC_ARRAY_LEN, PRINT_HEX_STR,}; struct print_arg { struct print_arg *next; enum print_arg_type type; union { struct print_arg_atom atom; struct print_arg_field field; struct print_arg_typecast typecast; struct print_arg_flags flags; struct print_arg_symbol symbol; struct print_arg_hex hex; struct print_arg_int_array int_array; struct print_arg_func func; struct print_arg_string string; struct print_arg_bitmask bitmask; struct print_arg_op op; struct print_arg_dynarray dynarray; };}; struct print_fmt { char *format; struct print_arg *args;}; struct event_format { struct pevent *pevent; char *name; int id; int flags; struct format format; struct print_fmt print_fmt; char *system; pevent_event_handler_func handler; void *context;}; enum { EVENT_FL_ISFTRACE = 0x01, EVENT_FL_ISPRINT = 0x02, EVENT_FL_ISBPRINT = 0x04, EVENT_FL_ISFUNCENT = 0x10, EVENT_FL_ISFUNCRET = 0x20, EVENT_FL_NOHANDLE = 0x40, EVENT_FL_PRINTRAW = 0x80, EVENT_FL_FAILED = 0x80000000}; enum event_sort_type { EVENT_SORT_ID, EVENT_SORT_NAME, EVENT_SORT_SYSTEM,}; enum event_type { EVENT_ERROR, EVENT_NONE, EVENT_SPACE, EVENT_NEWLINE, EVENT_OP, EVENT_DELIM, EVENT_ITEM, EVENT_DQUOTE, EVENT_SQUOTE,}; typedef unsigned long long (*pevent_func_handler)(struct trace_seq *s, unsigned long long *args); enum pevent_func_arg_type { PEVENT_FUNC_ARG_VOID, PEVENT_FUNC_ARG_INT, PEVENT_FUNC_ARG_LONG, PEVENT_FUNC_ARG_STRING, PEVENT_FUNC_ARG_PTR, PEVENT_FUNC_ARG_MAX_TYPES}; enum pevent_flag { PEVENT_NSEC_OUTPUT = 1, /* output in NSECS */ PEVENT_DISABLE_SYS_PLUGINS = 1 << 1, PEVENT_DISABLE_PLUGINS = 1 << 2,}; #define PEVENT_ERRORS \ _PE(MEM_ALLOC_FAILED, "failed to allocate memory"), \ _PE(PARSE_EVENT_FAILED, "failed to parse event"), \ _PE(READ_ID_FAILED, "failed to read event id"), \ _PE(READ_FORMAT_FAILED, "failed to read event format"), \ _PE(READ_PRINT_FAILED, "failed to read event print fmt"), \ _PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace"),\ _PE(INVALID_ARG_TYPE, "invalid argument type"), \ _PE(INVALID_EXP_TYPE, "invalid expression type"), \ _PE(INVALID_OP_TYPE, "invalid operator type"), \ _PE(INVALID_EVENT_NAME, "invalid event name"), \ _PE(EVENT_NOT_FOUND, "no event found"), \ _PE(SYNTAX_ERROR, "syntax error"), \ _PE(ILLEGAL_RVALUE, "illegal rvalue"), \ _PE(ILLEGAL_LVALUE, "illegal lvalue for string comparison"), \ _PE(INVALID_REGEX, "regex did not compute"), \ _PE(ILLEGAL_STRING_CMP, "illegal comparison for string"), \ _PE(ILLEGAL_INTEGER_CMP,"illegal comparison for integer"), \ _PE(REPARENT_NOT_OP, "cannot reparent other than OP"), \ _PE(REPARENT_FAILED, "failed to reparent filter OP"), \ _PE(BAD_FILTER_ARG, "bad arg in filter tree"), \ _PE(UNEXPECTED_TYPE, "unexpected type (not a value)"), \ _PE(ILLEGAL_TOKEN, "illegal token"), \ _PE(INVALID_PAREN, "open parenthesis cannot come here"), \ _PE(UNBALANCED_PAREN, "unbalanced number of parenthesis"), \ _PE(UNKNOWN_TOKEN, "unknown token"), \ _PE(FILTER_NOT_FOUND, "no filter found"), \ _PE(NOT_A_NUMBER, "must have number field"), \ _PE(NO_FILTER, "no filters exists"), \ _PE(FILTER_MISS, "record does not match to filter") #undef _PE#define _PE(__code, __str) PEVENT_ERRNO__ ## __codeenum pevent_errno { PEVENT_ERRNO__SUCCESS = 0, PEVENT_ERRNO__FILTER_MATCH = PEVENT_ERRNO__SUCCESS, /* * Choose an arbitrary negative big number not to clash with standard * errno since SUS requires the errno has distinct positive values. * See 'Issue 6' in the link below. * * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html */ __PEVENT_ERRNO__START = -100000, PEVENT_ERRORS, __PEVENT_ERRNO__END,};#undef _PE struct plugin_list; #define INVALID_PLUGIN_LIST_OPTION ((char **)((unsigned long)-1)) struct plugin_list *traceevent_load_plugins(struct pevent *pevent);void traceevent_unload_plugins(struct plugin_list *plugin_list, struct pevent *pevent);char **traceevent_plugin_list_options(void);void traceevent_plugin_free_options_list(char **list);int traceevent_plugin_add_options(const char *name, struct pevent_plugin_option *options);void traceevent_plugin_remove_options(struct pevent_plugin_option *options);void traceevent_print_plugins(struct trace_seq *s, const char *prefix, const char *suffix, const struct plugin_list *list); struct cmdline;struct cmdline_list;struct func_map;struct func_list;struct event_handler;struct func_resolver; typedef char *(pevent_func_resolver_t)(void *priv, unsigned long long *addrp, char **modp); struct pevent { int ref_count; int header_page_ts_offset; int header_page_ts_size; int header_page_size_offset; int header_page_size_size; int header_page_data_offset; int header_page_data_size; int header_page_overwrite; int file_bigendian; int host_bigendian; int latency_format; int old_format; int cpus; int long_size; int page_size; struct cmdline *cmdlines; struct cmdline_list *cmdlist; int cmdline_count; struct func_map *func_map; struct func_resolver *func_resolver; struct func_list *funclist; unsigned int func_count; struct printk_map *printk_map; struct printk_list *printklist; unsigned int printk_count; struct event_format **events; int nr_events; struct event_format **sort_events; enum event_sort_type last_type; Lines 1–500 of 991. 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/* * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License (not later!) * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see <http://www.gnu.org/licenses> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef _PARSE_EVENTS_H #define _PARSE_EVENTS_H #include <stdbool.h> #include <stdarg.h> #include <stdio.h> #include <regex.h> #include <string.h> #ifndef __maybe_unused #define __maybe_unused __attribute__((unused)) #endif /* ----------------------- trace_seq ----------------------- */ #ifndef TRACE_SEQ_BUF_SIZE #define TRACE_SEQ_BUF_SIZE 4096 #endif #ifndef DEBUG_RECORD #define DEBUG_RECORD 0 #endif struct pevent_record { unsigned long long ts; unsigned long long offset; long long missed_events; /* buffer dropped events before */ int record_size; /* size of binary record */ int size; /* size of data */ void *data; int cpu; int ref_count; int locked; /* Do not free, even if ref_count is zero */ void *priv; #if DEBUG_RECORD struct pevent_record *prev; struct pevent_record *next; long alloc_addr; #endif }; enum trace_seq_fail { TRACE_SEQ__GOOD, TRACE_SEQ__BUFFER_POISONED, TRACE_SEQ__MEM_ALLOC_FAILED, }; /* * Trace sequences are used to allow a function to call several other functions * to create a string of data to use (up to a max of PAGE_SIZE). */ struct trace_seq { char *buffer; unsigned int buffer_size; unsigned int len; unsigned int readpos; enum trace_seq_fail state; }; void trace_seq_init(struct trace_seq *s); void trace_seq_reset(struct trace_seq *s); void trace_seq_destroy(struct trace_seq *s); extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...) __attribute__ ((format (printf, 2, 3))); extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args) __attribute__ ((format (printf, 2, 0))); extern int trace_seq_puts(struct trace_seq *s, const char *str); extern int trace_seq_putc(struct trace_seq *s, unsigned char c); extern void trace_seq_terminate(struct trace_seq *s); extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp); extern int trace_seq_do_printf(struct trace_seq *s); /* ----------------------- pevent ----------------------- */ struct pevent; struct event_format; typedef int (*pevent_event_handler_func)(struct trace_seq *s, struct pevent_record *record, struct event_format *event, void *context); typedef int (*pevent_plugin_load_func)(struct pevent *pevent); typedef int (*pevent_plugin_unload_func)(struct pevent *pevent); struct pevent_plugin_option { struct pevent_plugin_option *next; void *handle; char *file; char *name; char *plugin_alias; char *description; const char *value; void *priv; int set; }; /* * Plugin hooks that can be called: * * PEVENT_PLUGIN_LOADER: (required) * The function name to initialized the plugin. * * int PEVENT_PLUGIN_LOADER(struct pevent *pevent) * * PEVENT_PLUGIN_UNLOADER: (optional) * The function called just before unloading * * int PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) * * PEVENT_PLUGIN_OPTIONS: (optional) * Plugin options that can be set before loading * * struct pevent_plugin_option PEVENT_PLUGIN_OPTIONS[] = { * { * .name = "option-name", * .plugin_alias = "override-file-name", (optional) * .description = "description of option to show users", * }, * { * .name = NULL, * }, * }; * * Array must end with .name = NULL; * * * .plugin_alias is used to give a shorter name to access * the vairable. Useful if a plugin handles more than one event. * * If .value is not set, then it is considered a boolean and only * .set will be processed. If .value is defined, then it is considered * a string option and .set will be ignored. * * PEVENT_PLUGIN_ALIAS: (optional) * The name to use for finding options (uses filename if not defined) */ #define PEVENT_PLUGIN_LOADER pevent_plugin_loader #define PEVENT_PLUGIN_UNLOADER pevent_plugin_unloader #define PEVENT_PLUGIN_OPTIONS pevent_plugin_options #define PEVENT_PLUGIN_ALIAS pevent_plugin_alias #define _MAKE_STR(x) #x #define MAKE_STR(x) _MAKE_STR(x) #define PEVENT_PLUGIN_LOADER_NAME MAKE_STR(PEVENT_PLUGIN_LOADER) #define PEVENT_PLUGIN_UNLOADER_NAME MAKE_STR(PEVENT_PLUGIN_UNLOADER) #define PEVENT_PLUGIN_OPTIONS_NAME MAKE_STR(PEVENT_PLUGIN_OPTIONS) #define PEVENT_PLUGIN_ALIAS_NAME MAKE_STR(PEVENT_PLUGIN_ALIAS) enum format_flags { FIELD_IS_ARRAY = 1, FIELD_IS_POINTER = 2, FIELD_IS_SIGNED = 4, FIELD_IS_STRING = 8, FIELD_IS_DYNAMIC = 16, FIELD_IS_LONG = 32, FIELD_IS_FLAG = 64, FIELD_IS_SYMBOLIC = 128, }; struct format_field { struct format_field *next; struct event_format *event; char *type; char *name; char *alias; int offset; int size; unsigned int arraylen; unsigned int elementsize; unsigned long flags; }; struct format { int nr_common; int nr_fields; struct format_field *common_fields; struct format_field *fields; }; struct print_arg_atom { char *atom; }; struct print_arg_string { char *string; int offset; }; struct print_arg_bitmask { char *bitmask; int offset; }; struct print_arg_field { char *name; struct format_field *field; }; struct print_flag_sym { struct print_flag_sym *next; char *value; char *str; }; struct print_arg_typecast { char *type; struct print_arg *item; }; struct print_arg_flags { struct print_arg *field; char *delim; struct print_flag_sym *flags; }; struct print_arg_symbol { struct print_arg *field; struct print_flag_sym *symbols; }; struct print_arg_hex { struct print_arg *field; struct print_arg *size; }; struct print_arg_int_array { struct print_arg *field; struct print_arg *count; struct print_arg *el_size; }; struct print_arg_dynarray { struct format_field *field; struct print_arg *index; }; struct print_arg; struct print_arg_op { char *op; int prio; struct print_arg *left; struct print_arg *right; }; struct pevent_function_handler; struct print_arg_func { struct pevent_function_handler *func; struct print_arg *args; }; enum print_arg_type { PRINT_NULL, PRINT_ATOM, PRINT_FIELD, PRINT_FLAGS, PRINT_SYMBOL, PRINT_HEX, PRINT_INT_ARRAY, PRINT_TYPE, PRINT_STRING, PRINT_BSTRING, PRINT_DYNAMIC_ARRAY, PRINT_OP, PRINT_FUNC, PRINT_BITMASK, PRINT_DYNAMIC_ARRAY_LEN, PRINT_HEX_STR, }; struct print_arg { struct print_arg *next; enum print_arg_type type; union { struct print_arg_atom atom; struct print_arg_field field; struct print_arg_typecast typecast; struct print_arg_flags flags; struct print_arg_symbol symbol; struct print_arg_hex hex; struct print_arg_int_array int_array; struct print_arg_func func; struct print_arg_string string; struct print_arg_bitmask bitmask; struct print_arg_op op; struct print_arg_dynarray dynarray; }; }; struct print_fmt { char *format; struct print_arg *args; }; struct event_format { struct pevent *pevent; char *name; int id; int flags; struct format format; struct print_fmt print_fmt; char *system; pevent_event_handler_func handler; void *context; }; enum { EVENT_FL_ISFTRACE = 0x01, EVENT_FL_ISPRINT = 0x02, EVENT_FL_ISBPRINT = 0x04, EVENT_FL_ISFUNCENT = 0x10, EVENT_FL_ISFUNCRET = 0x20, EVENT_FL_NOHANDLE = 0x40, EVENT_FL_PRINTRAW = 0x80, EVENT_FL_FAILED = 0x80000000 }; enum event_sort_type { EVENT_SORT_ID, EVENT_SORT_NAME, EVENT_SORT_SYSTEM, }; enum event_type { EVENT_ERROR, EVENT_NONE, EVENT_SPACE, EVENT_NEWLINE, EVENT_OP, EVENT_DELIM, EVENT_ITEM, EVENT_DQUOTE, EVENT_SQUOTE, }; typedef unsigned long long (*pevent_func_handler)(struct trace_seq *s, unsigned long long *args); enum pevent_func_arg_type { PEVENT_FUNC_ARG_VOID, PEVENT_FUNC_ARG_INT, PEVENT_FUNC_ARG_LONG, PEVENT_FUNC_ARG_STRING, PEVENT_FUNC_ARG_PTR, PEVENT_FUNC_ARG_MAX_TYPES }; enum pevent_flag { PEVENT_NSEC_OUTPUT = 1, /* output in NSECS */ PEVENT_DISABLE_SYS_PLUGINS = 1 << 1, PEVENT_DISABLE_PLUGINS = 1 << 2, }; #define PEVENT_ERRORS \ _PE(MEM_ALLOC_FAILED, "failed to allocate memory"), \ _PE(PARSE_EVENT_FAILED, "failed to parse event"), \ _PE(READ_ID_FAILED, "failed to read event id"), \ _PE(READ_FORMAT_FAILED, "failed to read event format"), \ _PE(READ_PRINT_FAILED, "failed to read event print fmt"), \ _PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace"),\ _PE(INVALID_ARG_TYPE, "invalid argument type"), \ _PE(INVALID_EXP_TYPE, "invalid expression type"), \ _PE(INVALID_OP_TYPE, "invalid operator type"), \ _PE(INVALID_EVENT_NAME, "invalid event name"), \ _PE(EVENT_NOT_FOUND, "no event found"), \ _PE(SYNTAX_ERROR, "syntax error"), \ _PE(ILLEGAL_RVALUE, "illegal rvalue"), \ _PE(ILLEGAL_LVALUE, "illegal lvalue for string comparison"), \ _PE(INVALID_REGEX, "regex did not compute"), \ _PE(ILLEGAL_STRING_CMP, "illegal comparison for string"), \ _PE(ILLEGAL_INTEGER_CMP,"illegal comparison for integer"), \ _PE(REPARENT_NOT_OP, "cannot reparent other than OP"), \ _PE(REPARENT_FAILED, "failed to reparent filter OP"), \ _PE(BAD_FILTER_ARG, "bad arg in filter tree"), \ _PE(UNEXPECTED_TYPE, "unexpected type (not a value)"), \ _PE(ILLEGAL_TOKEN, "illegal token"), \ _PE(INVALID_PAREN, "open parenthesis cannot come here"), \ _PE(UNBALANCED_PAREN, "unbalanced number of parenthesis"), \ _PE(UNKNOWN_TOKEN, "unknown token"), \ _PE(FILTER_NOT_FOUND, "no filter found"), \ _PE(NOT_A_NUMBER, "must have number field"), \ _PE(NO_FILTER, "no filters exists"), \ _PE(FILTER_MISS, "record does not match to filter") #undef _PE #define _PE(__code, __str) PEVENT_ERRNO__ ## __code enum pevent_errno { PEVENT_ERRNO__SUCCESS = 0, PEVENT_ERRNO__FILTER_MATCH = PEVENT_ERRNO__SUCCESS, /* * Choose an arbitrary negative big number not to clash with standard * errno since SUS requires the errno has distinct positive values. * See 'Issue 6' in the link below. * * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html */ __PEVENT_ERRNO__START = -100000, PEVENT_ERRORS, __PEVENT_ERRNO__END, }; #undef _PE struct plugin_list; #define INVALID_PLUGIN_LIST_OPTION ((char **)((unsigned long)-1)) struct plugin_list *traceevent_load_plugins(struct pevent *pevent); void traceevent_unload_plugins(struct plugin_list *plugin_list, struct pevent *pevent); char **traceevent_plugin_list_options(void); void traceevent_plugin_free_options_list(char **list); int traceevent_plugin_add_options(const char *name, struct pevent_plugin_option *options); void traceevent_plugin_remove_options(struct pevent_plugin_option *options); void traceevent_print_plugins(struct trace_seq *s, const char *prefix, const char *suffix, const struct plugin_list *list); struct cmdline; struct cmdline_list; struct func_map; struct func_list; struct event_handler; struct func_resolver; typedef char *(pevent_func_resolver_t)(void *priv, unsigned long long *addrp, char **modp); struct pevent { int ref_count; int header_page_ts_offset; int header_page_ts_size; int header_page_size_offset; int header_page_size_size; int header_page_data_offset; int header_page_data_size; int header_page_overwrite; int file_bigendian; int host_bigendian; int latency_format; int old_format; int cpus; int long_size; int page_size; struct cmdline *cmdlines; struct cmdline_list *cmdlist; int cmdline_count; struct func_map *func_map; struct func_resolver *func_resolver; struct func_list *funclist; unsigned int func_count; struct printk_map *printk_map; struct printk_list *printklist; unsigned int printk_count; struct event_format **events; int nr_events; struct event_format **sort_events; enum event_sort_type last_type;