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749 lines
21 KiB
749 lines
21 KiB
/* SPDX-License-Identifier: LGPL-2.1 */ |
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/* |
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* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <[email protected]> |
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* |
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*/ |
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#ifndef _PARSE_EVENTS_H |
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#define _PARSE_EVENTS_H |
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#include <stdbool.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <regex.h> |
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#include <string.h> |
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#include "trace-seq.h" |
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#ifndef __maybe_unused |
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#define __maybe_unused __attribute__((unused)) |
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#endif |
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#ifndef DEBUG_RECORD |
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#define DEBUG_RECORD 0 |
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#endif |
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struct tep_record { |
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unsigned long long ts; |
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unsigned long long offset; |
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long long missed_events; /* buffer dropped events before */ |
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int record_size; /* size of binary record */ |
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int size; /* size of data */ |
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void *data; |
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int cpu; |
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int ref_count; |
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int locked; /* Do not free, even if ref_count is zero */ |
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void *priv; |
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#if DEBUG_RECORD |
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struct tep_record *prev; |
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struct tep_record *next; |
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long alloc_addr; |
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#endif |
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}; |
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/* ----------------------- tep ----------------------- */ |
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struct tep_handle; |
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struct tep_event; |
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typedef int (*tep_event_handler_func)(struct trace_seq *s, |
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struct tep_record *record, |
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struct tep_event *event, |
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void *context); |
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typedef int (*tep_plugin_load_func)(struct tep_handle *tep); |
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typedef int (*tep_plugin_unload_func)(struct tep_handle *tep); |
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struct tep_plugin_option { |
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struct tep_plugin_option *next; |
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void *handle; |
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char *file; |
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char *name; |
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char *plugin_alias; |
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char *description; |
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const char *value; |
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void *priv; |
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int set; |
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}; |
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/* |
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* Plugin hooks that can be called: |
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* |
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* TEP_PLUGIN_LOADER: (required) |
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* The function name to initialized the plugin. |
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* |
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* int TEP_PLUGIN_LOADER(struct tep_handle *tep) |
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* |
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* TEP_PLUGIN_UNLOADER: (optional) |
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* The function called just before unloading |
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* |
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* int TEP_PLUGIN_UNLOADER(struct tep_handle *tep) |
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* |
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* TEP_PLUGIN_OPTIONS: (optional) |
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* Plugin options that can be set before loading |
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* |
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* struct tep_plugin_option TEP_PLUGIN_OPTIONS[] = { |
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* { |
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* .name = "option-name", |
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* .plugin_alias = "override-file-name", (optional) |
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* .description = "description of option to show users", |
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* }, |
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* { |
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* .name = NULL, |
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* }, |
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* }; |
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* |
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* Array must end with .name = NULL; |
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* |
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* |
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* .plugin_alias is used to give a shorter name to access |
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* the vairable. Useful if a plugin handles more than one event. |
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* |
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* If .value is not set, then it is considered a boolean and only |
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* .set will be processed. If .value is defined, then it is considered |
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* a string option and .set will be ignored. |
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* |
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* TEP_PLUGIN_ALIAS: (optional) |
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* The name to use for finding options (uses filename if not defined) |
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*/ |
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#define TEP_PLUGIN_LOADER tep_plugin_loader |
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#define TEP_PLUGIN_UNLOADER tep_plugin_unloader |
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#define TEP_PLUGIN_OPTIONS tep_plugin_options |
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#define TEP_PLUGIN_ALIAS tep_plugin_alias |
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#define _MAKE_STR(x) #x |
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#define MAKE_STR(x) _MAKE_STR(x) |
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#define TEP_PLUGIN_LOADER_NAME MAKE_STR(TEP_PLUGIN_LOADER) |
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#define TEP_PLUGIN_UNLOADER_NAME MAKE_STR(TEP_PLUGIN_UNLOADER) |
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#define TEP_PLUGIN_OPTIONS_NAME MAKE_STR(TEP_PLUGIN_OPTIONS) |
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#define TEP_PLUGIN_ALIAS_NAME MAKE_STR(TEP_PLUGIN_ALIAS) |
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enum tep_format_flags { |
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TEP_FIELD_IS_ARRAY = 1, |
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TEP_FIELD_IS_POINTER = 2, |
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TEP_FIELD_IS_SIGNED = 4, |
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TEP_FIELD_IS_STRING = 8, |
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TEP_FIELD_IS_DYNAMIC = 16, |
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TEP_FIELD_IS_LONG = 32, |
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TEP_FIELD_IS_FLAG = 64, |
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TEP_FIELD_IS_SYMBOLIC = 128, |
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}; |
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struct tep_format_field { |
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struct tep_format_field *next; |
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struct tep_event *event; |
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char *type; |
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char *name; |
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char *alias; |
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int offset; |
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int size; |
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unsigned int arraylen; |
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unsigned int elementsize; |
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unsigned long flags; |
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}; |
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struct tep_format { |
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int nr_common; |
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int nr_fields; |
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struct tep_format_field *common_fields; |
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struct tep_format_field *fields; |
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}; |
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struct tep_print_arg_atom { |
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char *atom; |
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}; |
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struct tep_print_arg_string { |
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char *string; |
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int offset; |
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}; |
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struct tep_print_arg_bitmask { |
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char *bitmask; |
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int offset; |
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}; |
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struct tep_print_arg_field { |
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char *name; |
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struct tep_format_field *field; |
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}; |
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struct tep_print_flag_sym { |
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struct tep_print_flag_sym *next; |
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char *value; |
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char *str; |
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}; |
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struct tep_print_arg_typecast { |
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char *type; |
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struct tep_print_arg *item; |
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}; |
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struct tep_print_arg_flags { |
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struct tep_print_arg *field; |
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char *delim; |
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struct tep_print_flag_sym *flags; |
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}; |
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struct tep_print_arg_symbol { |
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struct tep_print_arg *field; |
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struct tep_print_flag_sym *symbols; |
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}; |
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struct tep_print_arg_hex { |
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struct tep_print_arg *field; |
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struct tep_print_arg *size; |
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}; |
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struct tep_print_arg_int_array { |
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struct tep_print_arg *field; |
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struct tep_print_arg *count; |
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struct tep_print_arg *el_size; |
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}; |
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struct tep_print_arg_dynarray { |
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struct tep_format_field *field; |
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struct tep_print_arg *index; |
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}; |
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struct tep_print_arg; |
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struct tep_print_arg_op { |
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char *op; |
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int prio; |
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struct tep_print_arg *left; |
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struct tep_print_arg *right; |
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}; |
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struct tep_function_handler; |
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struct tep_print_arg_func { |
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struct tep_function_handler *func; |
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struct tep_print_arg *args; |
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}; |
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enum tep_print_arg_type { |
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TEP_PRINT_NULL, |
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TEP_PRINT_ATOM, |
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TEP_PRINT_FIELD, |
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TEP_PRINT_FLAGS, |
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TEP_PRINT_SYMBOL, |
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TEP_PRINT_HEX, |
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TEP_PRINT_INT_ARRAY, |
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TEP_PRINT_TYPE, |
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TEP_PRINT_STRING, |
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TEP_PRINT_BSTRING, |
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TEP_PRINT_DYNAMIC_ARRAY, |
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TEP_PRINT_OP, |
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TEP_PRINT_FUNC, |
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TEP_PRINT_BITMASK, |
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TEP_PRINT_DYNAMIC_ARRAY_LEN, |
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TEP_PRINT_HEX_STR, |
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}; |
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struct tep_print_arg { |
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struct tep_print_arg *next; |
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enum tep_print_arg_type type; |
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union { |
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struct tep_print_arg_atom atom; |
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struct tep_print_arg_field field; |
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struct tep_print_arg_typecast typecast; |
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struct tep_print_arg_flags flags; |
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struct tep_print_arg_symbol symbol; |
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struct tep_print_arg_hex hex; |
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struct tep_print_arg_int_array int_array; |
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struct tep_print_arg_func func; |
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struct tep_print_arg_string string; |
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struct tep_print_arg_bitmask bitmask; |
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struct tep_print_arg_op op; |
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struct tep_print_arg_dynarray dynarray; |
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}; |
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}; |
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struct tep_print_parse; |
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struct tep_print_fmt { |
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char *format; |
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struct tep_print_arg *args; |
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struct tep_print_parse *print_cache; |
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}; |
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struct tep_event { |
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struct tep_handle *tep; |
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char *name; |
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int id; |
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int flags; |
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struct tep_format format; |
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struct tep_print_fmt print_fmt; |
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char *system; |
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tep_event_handler_func handler; |
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void *context; |
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}; |
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enum { |
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TEP_EVENT_FL_ISFTRACE = 0x01, |
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TEP_EVENT_FL_ISPRINT = 0x02, |
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TEP_EVENT_FL_ISBPRINT = 0x04, |
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TEP_EVENT_FL_ISFUNCENT = 0x10, |
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TEP_EVENT_FL_ISFUNCRET = 0x20, |
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TEP_EVENT_FL_NOHANDLE = 0x40, |
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TEP_EVENT_FL_PRINTRAW = 0x80, |
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TEP_EVENT_FL_FAILED = 0x80000000 |
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}; |
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enum tep_event_sort_type { |
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TEP_EVENT_SORT_ID, |
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TEP_EVENT_SORT_NAME, |
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TEP_EVENT_SORT_SYSTEM, |
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}; |
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enum tep_event_type { |
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TEP_EVENT_ERROR, |
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TEP_EVENT_NONE, |
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TEP_EVENT_SPACE, |
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TEP_EVENT_NEWLINE, |
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TEP_EVENT_OP, |
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TEP_EVENT_DELIM, |
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TEP_EVENT_ITEM, |
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TEP_EVENT_DQUOTE, |
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TEP_EVENT_SQUOTE, |
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}; |
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typedef unsigned long long (*tep_func_handler)(struct trace_seq *s, |
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unsigned long long *args); |
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enum tep_func_arg_type { |
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TEP_FUNC_ARG_VOID, |
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TEP_FUNC_ARG_INT, |
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TEP_FUNC_ARG_LONG, |
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TEP_FUNC_ARG_STRING, |
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TEP_FUNC_ARG_PTR, |
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TEP_FUNC_ARG_MAX_TYPES |
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}; |
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enum tep_flag { |
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TEP_NSEC_OUTPUT = 1, /* output in NSECS */ |
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TEP_DISABLE_SYS_PLUGINS = 1 << 1, |
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TEP_DISABLE_PLUGINS = 1 << 2, |
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}; |
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#define TEP_ERRORS \ |
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_PE(MEM_ALLOC_FAILED, "failed to allocate memory"), \ |
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_PE(PARSE_EVENT_FAILED, "failed to parse event"), \ |
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_PE(READ_ID_FAILED, "failed to read event id"), \ |
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_PE(READ_FORMAT_FAILED, "failed to read event format"), \ |
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_PE(READ_PRINT_FAILED, "failed to read event print fmt"), \ |
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_PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace"),\ |
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_PE(INVALID_ARG_TYPE, "invalid argument type"), \ |
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_PE(INVALID_EXP_TYPE, "invalid expression type"), \ |
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_PE(INVALID_OP_TYPE, "invalid operator type"), \ |
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_PE(INVALID_EVENT_NAME, "invalid event name"), \ |
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_PE(EVENT_NOT_FOUND, "no event found"), \ |
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_PE(SYNTAX_ERROR, "syntax error"), \ |
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_PE(ILLEGAL_RVALUE, "illegal rvalue"), \ |
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_PE(ILLEGAL_LVALUE, "illegal lvalue for string comparison"), \ |
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_PE(INVALID_REGEX, "regex did not compute"), \ |
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_PE(ILLEGAL_STRING_CMP, "illegal comparison for string"), \ |
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_PE(ILLEGAL_INTEGER_CMP,"illegal comparison for integer"), \ |
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_PE(REPARENT_NOT_OP, "cannot reparent other than OP"), \ |
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_PE(REPARENT_FAILED, "failed to reparent filter OP"), \ |
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_PE(BAD_FILTER_ARG, "bad arg in filter tree"), \ |
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_PE(UNEXPECTED_TYPE, "unexpected type (not a value)"), \ |
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_PE(ILLEGAL_TOKEN, "illegal token"), \ |
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_PE(INVALID_PAREN, "open parenthesis cannot come here"), \ |
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_PE(UNBALANCED_PAREN, "unbalanced number of parenthesis"), \ |
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_PE(UNKNOWN_TOKEN, "unknown token"), \ |
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_PE(FILTER_NOT_FOUND, "no filter found"), \ |
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_PE(NOT_A_NUMBER, "must have number field"), \ |
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_PE(NO_FILTER, "no filters exists"), \ |
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_PE(FILTER_MISS, "record does not match to filter") |
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#undef _PE |
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#define _PE(__code, __str) TEP_ERRNO__ ## __code |
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enum tep_errno { |
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TEP_ERRNO__SUCCESS = 0, |
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TEP_ERRNO__FILTER_MATCH = TEP_ERRNO__SUCCESS, |
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/* |
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* Choose an arbitrary negative big number not to clash with standard |
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* errno since SUS requires the errno has distinct positive values. |
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* See 'Issue 6' in the link below. |
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* |
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* https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html |
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*/ |
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__TEP_ERRNO__START = -100000, |
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TEP_ERRORS, |
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__TEP_ERRNO__END, |
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}; |
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#undef _PE |
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struct tep_plugin_list; |
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#define INVALID_PLUGIN_LIST_OPTION ((char **)((unsigned long)-1)) |
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enum tep_plugin_load_priority { |
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TEP_PLUGIN_FIRST, |
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TEP_PLUGIN_LAST, |
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}; |
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int tep_add_plugin_path(struct tep_handle *tep, char *path, |
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enum tep_plugin_load_priority prio); |
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struct tep_plugin_list *tep_load_plugins(struct tep_handle *tep); |
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void tep_unload_plugins(struct tep_plugin_list *plugin_list, |
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struct tep_handle *tep); |
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void tep_load_plugins_hook(struct tep_handle *tep, const char *suffix, |
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void (*load_plugin)(struct tep_handle *tep, |
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const char *path, |
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const char *name, |
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void *data), |
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void *data); |
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char **tep_plugin_list_options(void); |
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void tep_plugin_free_options_list(char **list); |
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int tep_plugin_add_options(const char *name, |
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struct tep_plugin_option *options); |
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int tep_plugin_add_option(const char *name, const char *val); |
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void tep_plugin_remove_options(struct tep_plugin_option *options); |
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void tep_plugin_print_options(struct trace_seq *s); |
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void tep_print_plugins(struct trace_seq *s, |
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const char *prefix, const char *suffix, |
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const struct tep_plugin_list *list); |
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/* tep_handle */ |
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typedef char *(tep_func_resolver_t)(void *priv, |
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unsigned long long *addrp, char **modp); |
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void tep_set_flag(struct tep_handle *tep, int flag); |
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void tep_clear_flag(struct tep_handle *tep, enum tep_flag flag); |
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bool tep_test_flag(struct tep_handle *tep, enum tep_flag flags); |
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static inline int tep_is_bigendian(void) |
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{ |
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unsigned char str[] = { 0x1, 0x2, 0x3, 0x4 }; |
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unsigned int val; |
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memcpy(&val, str, 4); |
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return val == 0x01020304; |
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} |
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/* taken from kernel/trace/trace.h */ |
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enum trace_flag_type { |
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TRACE_FLAG_IRQS_OFF = 0x01, |
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TRACE_FLAG_IRQS_NOSUPPORT = 0x02, |
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TRACE_FLAG_NEED_RESCHED = 0x04, |
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TRACE_FLAG_HARDIRQ = 0x08, |
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TRACE_FLAG_SOFTIRQ = 0x10, |
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}; |
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int tep_set_function_resolver(struct tep_handle *tep, |
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tep_func_resolver_t *func, void *priv); |
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void tep_reset_function_resolver(struct tep_handle *tep); |
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int tep_register_comm(struct tep_handle *tep, const char *comm, int pid); |
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int tep_override_comm(struct tep_handle *tep, const char *comm, int pid); |
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int tep_register_function(struct tep_handle *tep, char *name, |
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unsigned long long addr, char *mod); |
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int tep_register_print_string(struct tep_handle *tep, const char *fmt, |
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unsigned long long addr); |
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bool tep_is_pid_registered(struct tep_handle *tep, int pid); |
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struct tep_event *tep_get_event(struct tep_handle *tep, int index); |
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#define TEP_PRINT_INFO "INFO" |
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#define TEP_PRINT_INFO_RAW "INFO_RAW" |
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#define TEP_PRINT_COMM "COMM" |
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#define TEP_PRINT_LATENCY "LATENCY" |
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#define TEP_PRINT_NAME "NAME" |
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#define TEP_PRINT_PID 1U |
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#define TEP_PRINT_TIME 2U |
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#define TEP_PRINT_CPU 3U |
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void tep_print_event(struct tep_handle *tep, struct trace_seq *s, |
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struct tep_record *record, const char *fmt, ...) |
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__attribute__ ((format (printf, 4, 5))); |
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int tep_parse_header_page(struct tep_handle *tep, char *buf, unsigned long size, |
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int long_size); |
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enum tep_errno tep_parse_event(struct tep_handle *tep, const char *buf, |
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unsigned long size, const char *sys); |
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enum tep_errno tep_parse_format(struct tep_handle *tep, |
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struct tep_event **eventp, |
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const char *buf, |
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unsigned long size, const char *sys); |
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void *tep_get_field_raw(struct trace_seq *s, struct tep_event *event, |
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const char *name, struct tep_record *record, |
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int *len, int err); |
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int tep_get_field_val(struct trace_seq *s, struct tep_event *event, |
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const char *name, struct tep_record *record, |
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unsigned long long *val, int err); |
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int tep_get_common_field_val(struct trace_seq *s, struct tep_event *event, |
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const char *name, struct tep_record *record, |
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unsigned long long *val, int err); |
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int tep_get_any_field_val(struct trace_seq *s, struct tep_event *event, |
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const char *name, struct tep_record *record, |
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unsigned long long *val, int err); |
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int tep_print_num_field(struct trace_seq *s, const char *fmt, |
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struct tep_event *event, const char *name, |
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struct tep_record *record, int err); |
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int tep_print_func_field(struct trace_seq *s, const char *fmt, |
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struct tep_event *event, const char *name, |
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struct tep_record *record, int err); |
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enum tep_reg_handler { |
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TEP_REGISTER_SUCCESS = 0, |
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TEP_REGISTER_SUCCESS_OVERWRITE, |
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}; |
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int tep_register_event_handler(struct tep_handle *tep, int id, |
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const char *sys_name, const char *event_name, |
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tep_event_handler_func func, void *context); |
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int tep_unregister_event_handler(struct tep_handle *tep, int id, |
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const char *sys_name, const char *event_name, |
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tep_event_handler_func func, void *context); |
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int tep_register_print_function(struct tep_handle *tep, |
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tep_func_handler func, |
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enum tep_func_arg_type ret_type, |
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char *name, ...); |
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int tep_unregister_print_function(struct tep_handle *tep, |
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tep_func_handler func, char *name); |
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struct tep_format_field *tep_find_common_field(struct tep_event *event, const char *name); |
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struct tep_format_field *tep_find_field(struct tep_event *event, const char *name); |
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struct tep_format_field *tep_find_any_field(struct tep_event *event, const char *name); |
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const char *tep_find_function(struct tep_handle *tep, unsigned long long addr); |
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unsigned long long |
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tep_find_function_address(struct tep_handle *tep, unsigned long long addr); |
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unsigned long long tep_read_number(struct tep_handle *tep, const void *ptr, int size); |
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int tep_read_number_field(struct tep_format_field *field, const void *data, |
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unsigned long long *value); |
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struct tep_event *tep_get_first_event(struct tep_handle *tep); |
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int tep_get_events_count(struct tep_handle *tep); |
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struct tep_event *tep_find_event(struct tep_handle *tep, int id); |
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struct tep_event * |
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tep_find_event_by_name(struct tep_handle *tep, const char *sys, const char *name); |
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struct tep_event * |
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tep_find_event_by_record(struct tep_handle *tep, struct tep_record *record); |
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int tep_data_type(struct tep_handle *tep, struct tep_record *rec); |
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int tep_data_pid(struct tep_handle *tep, struct tep_record *rec); |
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int tep_data_preempt_count(struct tep_handle *tep, struct tep_record *rec); |
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int tep_data_flags(struct tep_handle *tep, struct tep_record *rec); |
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const char *tep_data_comm_from_pid(struct tep_handle *tep, int pid); |
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struct tep_cmdline; |
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struct tep_cmdline *tep_data_pid_from_comm(struct tep_handle *tep, const char *comm, |
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struct tep_cmdline *next); |
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int tep_cmdline_pid(struct tep_handle *tep, struct tep_cmdline *cmdline); |
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void tep_print_field(struct trace_seq *s, void *data, |
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struct tep_format_field *field); |
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void tep_print_fields(struct trace_seq *s, void *data, |
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int size __maybe_unused, struct tep_event *event); |
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int tep_strerror(struct tep_handle *tep, enum tep_errno errnum, |
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char *buf, size_t buflen); |
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struct tep_event **tep_list_events(struct tep_handle *tep, enum tep_event_sort_type); |
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struct tep_event **tep_list_events_copy(struct tep_handle *tep, |
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enum tep_event_sort_type); |
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struct tep_format_field **tep_event_common_fields(struct tep_event *event); |
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struct tep_format_field **tep_event_fields(struct tep_event *event); |
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|
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enum tep_endian { |
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TEP_LITTLE_ENDIAN = 0, |
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TEP_BIG_ENDIAN |
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}; |
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int tep_get_cpus(struct tep_handle *tep); |
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void tep_set_cpus(struct tep_handle *tep, int cpus); |
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int tep_get_long_size(struct tep_handle *tep); |
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void tep_set_long_size(struct tep_handle *tep, int long_size); |
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int tep_get_page_size(struct tep_handle *tep); |
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void tep_set_page_size(struct tep_handle *tep, int _page_size); |
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bool tep_is_file_bigendian(struct tep_handle *tep); |
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void tep_set_file_bigendian(struct tep_handle *tep, enum tep_endian endian); |
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bool tep_is_local_bigendian(struct tep_handle *tep); |
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void tep_set_local_bigendian(struct tep_handle *tep, enum tep_endian endian); |
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int tep_get_header_page_size(struct tep_handle *tep); |
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int tep_get_header_timestamp_size(struct tep_handle *tep); |
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bool tep_is_old_format(struct tep_handle *tep); |
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void tep_set_test_filters(struct tep_handle *tep, int test_filters); |
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|
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struct tep_handle *tep_alloc(void); |
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void tep_free(struct tep_handle *tep); |
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void tep_ref(struct tep_handle *tep); |
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void tep_unref(struct tep_handle *tep); |
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int tep_get_ref(struct tep_handle *tep); |
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|
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/* for debugging */ |
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void tep_print_funcs(struct tep_handle *tep); |
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void tep_print_printk(struct tep_handle *tep); |
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/* ----------------------- filtering ----------------------- */ |
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|
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enum tep_filter_boolean_type { |
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TEP_FILTER_FALSE, |
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TEP_FILTER_TRUE, |
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}; |
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|
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enum tep_filter_op_type { |
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TEP_FILTER_OP_AND = 1, |
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TEP_FILTER_OP_OR, |
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TEP_FILTER_OP_NOT, |
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}; |
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|
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enum tep_filter_cmp_type { |
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TEP_FILTER_CMP_NONE, |
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TEP_FILTER_CMP_EQ, |
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TEP_FILTER_CMP_NE, |
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TEP_FILTER_CMP_GT, |
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TEP_FILTER_CMP_LT, |
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TEP_FILTER_CMP_GE, |
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TEP_FILTER_CMP_LE, |
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TEP_FILTER_CMP_MATCH, |
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TEP_FILTER_CMP_NOT_MATCH, |
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TEP_FILTER_CMP_REGEX, |
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TEP_FILTER_CMP_NOT_REGEX, |
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}; |
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|
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enum tep_filter_exp_type { |
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TEP_FILTER_EXP_NONE, |
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TEP_FILTER_EXP_ADD, |
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TEP_FILTER_EXP_SUB, |
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TEP_FILTER_EXP_MUL, |
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TEP_FILTER_EXP_DIV, |
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TEP_FILTER_EXP_MOD, |
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TEP_FILTER_EXP_RSHIFT, |
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TEP_FILTER_EXP_LSHIFT, |
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TEP_FILTER_EXP_AND, |
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TEP_FILTER_EXP_OR, |
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TEP_FILTER_EXP_XOR, |
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TEP_FILTER_EXP_NOT, |
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}; |
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|
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enum tep_filter_arg_type { |
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TEP_FILTER_ARG_NONE, |
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TEP_FILTER_ARG_BOOLEAN, |
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TEP_FILTER_ARG_VALUE, |
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TEP_FILTER_ARG_FIELD, |
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TEP_FILTER_ARG_EXP, |
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TEP_FILTER_ARG_OP, |
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TEP_FILTER_ARG_NUM, |
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TEP_FILTER_ARG_STR, |
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}; |
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|
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enum tep_filter_value_type { |
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TEP_FILTER_NUMBER, |
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TEP_FILTER_STRING, |
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TEP_FILTER_CHAR |
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}; |
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|
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struct tep_filter_arg; |
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|
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struct tep_filter_arg_boolean { |
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enum tep_filter_boolean_type value; |
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}; |
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|
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struct tep_filter_arg_field { |
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struct tep_format_field *field; |
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}; |
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|
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struct tep_filter_arg_value { |
|
enum tep_filter_value_type type; |
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union { |
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char *str; |
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unsigned long long val; |
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}; |
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}; |
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|
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struct tep_filter_arg_op { |
|
enum tep_filter_op_type type; |
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struct tep_filter_arg *left; |
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struct tep_filter_arg *right; |
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}; |
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|
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struct tep_filter_arg_exp { |
|
enum tep_filter_exp_type type; |
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struct tep_filter_arg *left; |
|
struct tep_filter_arg *right; |
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}; |
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|
|
struct tep_filter_arg_num { |
|
enum tep_filter_cmp_type type; |
|
struct tep_filter_arg *left; |
|
struct tep_filter_arg *right; |
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}; |
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|
|
struct tep_filter_arg_str { |
|
enum tep_filter_cmp_type type; |
|
struct tep_format_field *field; |
|
char *val; |
|
char *buffer; |
|
regex_t reg; |
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}; |
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|
|
struct tep_filter_arg { |
|
enum tep_filter_arg_type type; |
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union { |
|
struct tep_filter_arg_boolean boolean; |
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struct tep_filter_arg_field field; |
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struct tep_filter_arg_value value; |
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struct tep_filter_arg_op op; |
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struct tep_filter_arg_exp exp; |
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struct tep_filter_arg_num num; |
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struct tep_filter_arg_str str; |
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}; |
|
}; |
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|
|
struct tep_filter_type { |
|
int event_id; |
|
struct tep_event *event; |
|
struct tep_filter_arg *filter; |
|
}; |
|
|
|
#define TEP_FILTER_ERROR_BUFSZ 1024 |
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|
|
struct tep_event_filter { |
|
struct tep_handle *tep; |
|
int filters; |
|
struct tep_filter_type *event_filters; |
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char error_buffer[TEP_FILTER_ERROR_BUFSZ]; |
|
}; |
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|
|
struct tep_event_filter *tep_filter_alloc(struct tep_handle *tep); |
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|
|
/* for backward compatibility */ |
|
#define FILTER_NONE TEP_ERRNO__NO_FILTER |
|
#define FILTER_NOEXIST TEP_ERRNO__FILTER_NOT_FOUND |
|
#define FILTER_MISS TEP_ERRNO__FILTER_MISS |
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#define FILTER_MATCH TEP_ERRNO__FILTER_MATCH |
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|
|
enum tep_errno tep_filter_add_filter_str(struct tep_event_filter *filter, |
|
const char *filter_str); |
|
|
|
enum tep_errno tep_filter_match(struct tep_event_filter *filter, |
|
struct tep_record *record); |
|
|
|
int tep_filter_strerror(struct tep_event_filter *filter, enum tep_errno err, |
|
char *buf, size_t buflen); |
|
|
|
int tep_event_filtered(struct tep_event_filter *filter, |
|
int event_id); |
|
|
|
void tep_filter_reset(struct tep_event_filter *filter); |
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|
|
void tep_filter_free(struct tep_event_filter *filter); |
|
|
|
char *tep_filter_make_string(struct tep_event_filter *filter, int event_id); |
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|
|
int tep_filter_remove_event(struct tep_event_filter *filter, |
|
int event_id); |
|
|
|
int tep_filter_copy(struct tep_event_filter *dest, struct tep_event_filter *source); |
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|
|
int tep_filter_compare(struct tep_event_filter *filter1, struct tep_event_filter *filter2); |
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|
|
#endif /* _PARSE_EVENTS_H */
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