760 lines
22 KiB
C
760 lines
22 KiB
C
/*
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* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License (not later!)
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses>
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*
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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_fmt {
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char *format;
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struct tep_print_arg *args;
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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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* http://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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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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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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void tep_plugin_remove_options(struct tep_plugin_option *options);
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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_trace_clock(struct tep_handle *tep, const char *trace_clock);
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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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void tep_print_event_task(struct tep_handle *tep, struct trace_seq *s,
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struct tep_event *event,
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struct tep_record *record);
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void tep_print_event_time(struct tep_handle *tep, struct trace_seq *s,
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struct tep_event *event,
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struct tep_record *record,
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bool use_trace_clock);
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void tep_print_event_data(struct tep_handle *tep, struct trace_seq *s,
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struct tep_event *event,
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struct tep_record *record);
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void tep_print_event(struct tep_handle *tep, struct trace_seq *s,
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struct tep_record *record, bool use_trace_clock);
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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,
|
|
TEP_REGISTER_SUCCESS_OVERWRITE,
|
|
};
|
|
|
|
int tep_register_event_handler(struct tep_handle *tep, int id,
|
|
const char *sys_name, const char *event_name,
|
|
tep_event_handler_func func, void *context);
|
|
int tep_unregister_event_handler(struct tep_handle *tep, int id,
|
|
const char *sys_name, const char *event_name,
|
|
tep_event_handler_func func, void *context);
|
|
int tep_register_print_function(struct tep_handle *tep,
|
|
tep_func_handler func,
|
|
enum tep_func_arg_type ret_type,
|
|
char *name, ...);
|
|
int tep_unregister_print_function(struct tep_handle *tep,
|
|
tep_func_handler func, char *name);
|
|
|
|
struct tep_format_field *tep_find_common_field(struct tep_event *event, const char *name);
|
|
struct tep_format_field *tep_find_field(struct tep_event *event, const char *name);
|
|
struct tep_format_field *tep_find_any_field(struct tep_event *event, const char *name);
|
|
|
|
const char *tep_find_function(struct tep_handle *tep, unsigned long long addr);
|
|
unsigned long long
|
|
tep_find_function_address(struct tep_handle *tep, unsigned long long addr);
|
|
unsigned long long tep_read_number(struct tep_handle *tep, const void *ptr, int size);
|
|
int tep_read_number_field(struct tep_format_field *field, const void *data,
|
|
unsigned long long *value);
|
|
|
|
struct tep_event *tep_get_first_event(struct tep_handle *tep);
|
|
int tep_get_events_count(struct tep_handle *tep);
|
|
struct tep_event *tep_find_event(struct tep_handle *tep, int id);
|
|
|
|
struct tep_event *
|
|
tep_find_event_by_name(struct tep_handle *tep, const char *sys, const char *name);
|
|
struct tep_event *
|
|
tep_find_event_by_record(struct tep_handle *tep, struct tep_record *record);
|
|
|
|
void tep_data_latency_format(struct tep_handle *tep,
|
|
struct trace_seq *s, struct tep_record *record);
|
|
int tep_data_type(struct tep_handle *tep, struct tep_record *rec);
|
|
int tep_data_pid(struct tep_handle *tep, struct tep_record *rec);
|
|
int tep_data_preempt_count(struct tep_handle *tep, struct tep_record *rec);
|
|
int tep_data_flags(struct tep_handle *tep, struct tep_record *rec);
|
|
const char *tep_data_comm_from_pid(struct tep_handle *tep, int pid);
|
|
struct tep_cmdline;
|
|
struct tep_cmdline *tep_data_pid_from_comm(struct tep_handle *tep, const char *comm,
|
|
struct tep_cmdline *next);
|
|
int tep_cmdline_pid(struct tep_handle *tep, struct tep_cmdline *cmdline);
|
|
|
|
void tep_print_field(struct trace_seq *s, void *data,
|
|
struct tep_format_field *field);
|
|
void tep_print_fields(struct trace_seq *s, void *data,
|
|
int size __maybe_unused, struct tep_event *event);
|
|
void tep_event_info(struct trace_seq *s, struct tep_event *event,
|
|
struct tep_record *record);
|
|
int tep_strerror(struct tep_handle *tep, enum tep_errno errnum,
|
|
char *buf, size_t buflen);
|
|
|
|
struct tep_event **tep_list_events(struct tep_handle *tep, enum tep_event_sort_type);
|
|
struct tep_event **tep_list_events_copy(struct tep_handle *tep,
|
|
enum tep_event_sort_type);
|
|
struct tep_format_field **tep_event_common_fields(struct tep_event *event);
|
|
struct tep_format_field **tep_event_fields(struct tep_event *event);
|
|
|
|
enum tep_endian {
|
|
TEP_LITTLE_ENDIAN = 0,
|
|
TEP_BIG_ENDIAN
|
|
};
|
|
int tep_get_cpus(struct tep_handle *tep);
|
|
void tep_set_cpus(struct tep_handle *tep, int cpus);
|
|
int tep_get_long_size(struct tep_handle *tep);
|
|
void tep_set_long_size(struct tep_handle *tep, int long_size);
|
|
int tep_get_page_size(struct tep_handle *tep);
|
|
void tep_set_page_size(struct tep_handle *tep, int _page_size);
|
|
bool tep_is_file_bigendian(struct tep_handle *tep);
|
|
void tep_set_file_bigendian(struct tep_handle *tep, enum tep_endian endian);
|
|
bool tep_is_local_bigendian(struct tep_handle *tep);
|
|
void tep_set_local_bigendian(struct tep_handle *tep, enum tep_endian endian);
|
|
bool tep_is_latency_format(struct tep_handle *tep);
|
|
void tep_set_latency_format(struct tep_handle *tep, int lat);
|
|
int tep_get_header_page_size(struct tep_handle *tep);
|
|
int tep_get_header_timestamp_size(struct tep_handle *tep);
|
|
bool tep_is_old_format(struct tep_handle *tep);
|
|
void tep_set_print_raw(struct tep_handle *tep, int print_raw);
|
|
void tep_set_test_filters(struct tep_handle *tep, int test_filters);
|
|
|
|
struct tep_handle *tep_alloc(void);
|
|
void tep_free(struct tep_handle *tep);
|
|
void tep_ref(struct tep_handle *tep);
|
|
void tep_unref(struct tep_handle *tep);
|
|
int tep_get_ref(struct tep_handle *tep);
|
|
|
|
/* access to the internal parser */
|
|
void tep_buffer_init(const char *buf, unsigned long long size);
|
|
enum tep_event_type tep_read_token(char **tok);
|
|
void tep_free_token(char *token);
|
|
int tep_peek_char(void);
|
|
const char *tep_get_input_buf(void);
|
|
unsigned long long tep_get_input_buf_ptr(void);
|
|
|
|
/* for debugging */
|
|
void tep_print_funcs(struct tep_handle *tep);
|
|
void tep_print_printk(struct tep_handle *tep);
|
|
|
|
/* ----------------------- filtering ----------------------- */
|
|
|
|
enum tep_filter_boolean_type {
|
|
TEP_FILTER_FALSE,
|
|
TEP_FILTER_TRUE,
|
|
};
|
|
|
|
enum tep_filter_op_type {
|
|
TEP_FILTER_OP_AND = 1,
|
|
TEP_FILTER_OP_OR,
|
|
TEP_FILTER_OP_NOT,
|
|
};
|
|
|
|
enum tep_filter_cmp_type {
|
|
TEP_FILTER_CMP_NONE,
|
|
TEP_FILTER_CMP_EQ,
|
|
TEP_FILTER_CMP_NE,
|
|
TEP_FILTER_CMP_GT,
|
|
TEP_FILTER_CMP_LT,
|
|
TEP_FILTER_CMP_GE,
|
|
TEP_FILTER_CMP_LE,
|
|
TEP_FILTER_CMP_MATCH,
|
|
TEP_FILTER_CMP_NOT_MATCH,
|
|
TEP_FILTER_CMP_REGEX,
|
|
TEP_FILTER_CMP_NOT_REGEX,
|
|
};
|
|
|
|
enum tep_filter_exp_type {
|
|
TEP_FILTER_EXP_NONE,
|
|
TEP_FILTER_EXP_ADD,
|
|
TEP_FILTER_EXP_SUB,
|
|
TEP_FILTER_EXP_MUL,
|
|
TEP_FILTER_EXP_DIV,
|
|
TEP_FILTER_EXP_MOD,
|
|
TEP_FILTER_EXP_RSHIFT,
|
|
TEP_FILTER_EXP_LSHIFT,
|
|
TEP_FILTER_EXP_AND,
|
|
TEP_FILTER_EXP_OR,
|
|
TEP_FILTER_EXP_XOR,
|
|
TEP_FILTER_EXP_NOT,
|
|
};
|
|
|
|
enum tep_filter_arg_type {
|
|
TEP_FILTER_ARG_NONE,
|
|
TEP_FILTER_ARG_BOOLEAN,
|
|
TEP_FILTER_ARG_VALUE,
|
|
TEP_FILTER_ARG_FIELD,
|
|
TEP_FILTER_ARG_EXP,
|
|
TEP_FILTER_ARG_OP,
|
|
TEP_FILTER_ARG_NUM,
|
|
TEP_FILTER_ARG_STR,
|
|
};
|
|
|
|
enum tep_filter_value_type {
|
|
TEP_FILTER_NUMBER,
|
|
TEP_FILTER_STRING,
|
|
TEP_FILTER_CHAR
|
|
};
|
|
|
|
struct tep_filter_arg;
|
|
|
|
struct tep_filter_arg_boolean {
|
|
enum tep_filter_boolean_type value;
|
|
};
|
|
|
|
struct tep_filter_arg_field {
|
|
struct tep_format_field *field;
|
|
};
|
|
|
|
struct tep_filter_arg_value {
|
|
enum tep_filter_value_type type;
|
|
union {
|
|
char *str;
|
|
unsigned long long val;
|
|
};
|
|
};
|
|
|
|
struct tep_filter_arg_op {
|
|
enum tep_filter_op_type type;
|
|
struct tep_filter_arg *left;
|
|
struct tep_filter_arg *right;
|
|
};
|
|
|
|
struct tep_filter_arg_exp {
|
|
enum tep_filter_exp_type type;
|
|
struct tep_filter_arg *left;
|
|
struct tep_filter_arg *right;
|
|
};
|
|
|
|
struct tep_filter_arg_num {
|
|
enum tep_filter_cmp_type type;
|
|
struct tep_filter_arg *left;
|
|
struct tep_filter_arg *right;
|
|
};
|
|
|
|
struct tep_filter_arg_str {
|
|
enum tep_filter_cmp_type type;
|
|
struct tep_format_field *field;
|
|
char *val;
|
|
char *buffer;
|
|
regex_t reg;
|
|
};
|
|
|
|
struct tep_filter_arg {
|
|
enum tep_filter_arg_type type;
|
|
union {
|
|
struct tep_filter_arg_boolean boolean;
|
|
struct tep_filter_arg_field field;
|
|
struct tep_filter_arg_value value;
|
|
struct tep_filter_arg_op op;
|
|
struct tep_filter_arg_exp exp;
|
|
struct tep_filter_arg_num num;
|
|
struct tep_filter_arg_str str;
|
|
};
|
|
};
|
|
|
|
struct tep_filter_type {
|
|
int event_id;
|
|
struct tep_event *event;
|
|
struct tep_filter_arg *filter;
|
|
};
|
|
|
|
#define TEP_FILTER_ERROR_BUFSZ 1024
|
|
|
|
struct tep_event_filter {
|
|
struct tep_handle *tep;
|
|
int filters;
|
|
struct tep_filter_type *event_filters;
|
|
char error_buffer[TEP_FILTER_ERROR_BUFSZ];
|
|
};
|
|
|
|
struct tep_event_filter *tep_filter_alloc(struct tep_handle *tep);
|
|
|
|
/* 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
|
|
#define FILTER_MATCH TEP_ERRNO__FILTER_MATCH
|
|
|
|
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);
|
|
|
|
void tep_filter_free(struct tep_event_filter *filter);
|
|
|
|
char *tep_filter_make_string(struct tep_event_filter *filter, int event_id);
|
|
|
|
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);
|
|
|
|
int tep_filter_compare(struct tep_event_filter *filter1, struct tep_event_filter *filter2);
|
|
|
|
#endif /* _PARSE_EVENTS_H */
|