X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=ltt%2Fbranches%2Fpoly%2Flttv%2Flttv%2Ffilter.h;h=de8a561d8ebe3d59e13ef27c543ed3df51e38677;hb=389ba50ee4e6f47c3e5d118ca8b62cf701e843af;hp=ecf53c1a5fa950bcb912e0c98764c9dc0e2f92a4;hpb=bcacff8e2fc03007501455792b55b793996d336a;p=lttv.git diff --git a/ltt/branches/poly/lttv/lttv/filter.h b/ltt/branches/poly/lttv/lttv/filter.h index ecf53c1a..de8a561d 100644 --- a/ltt/branches/poly/lttv/lttv/filter.h +++ b/ltt/branches/poly/lttv/lttv/filter.h @@ -26,8 +26,6 @@ #include #include -#define AVERAGE_EXPRESSION_LENGTH 6 -#define MAX_FACTOR 1.5 /* A filter expression consists in nested AND, OR and NOT expressions involving boolean relation (>, >=, =, !=, <, <=) between event fields and @@ -53,141 +51,234 @@ */ -extern GQuark +/** + * @enum LttvFieldType + * @brief Structures and their fields + * + * the LttvFieldType enum consists on + * all the hardcoded structures and + * their appropriate fields on which + * filters can be applied. + */ +enum _LttvFieldType { LTTV_FILTER_TRACE, LTTV_FILTER_TRACESET, LTTV_FILTER_TRACEFILE, LTTV_FILTER_STATE, LTTV_FILTER_EVENT, - LTTV_FILTER_NAME, - LTTV_FILTER_CATEGORY, - LTTV_FILTER_TIME, - LTTV_FILTER_TSC, - LTTV_FILTER_PID, - LTTV_FILTER_PPID, - LTTV_FILTER_C_TIME, - LTTV_FILTER_I_TIME, - LTTV_FILTER_P_NAME, - LTTV_FILTER_EX_MODE, - LTTV_FILTER_EX_SUBMODE, - LTTV_FILTER_P_STATUS, - LTTV_FILTER_CPU; + LTTV_FILTER_TRACE_NAME, + LTTV_FILTER_TRACESET_NAME, + LTTV_FILTER_TRACEFILE_NAME, + LTTV_FILTER_STATE_PID, + LTTV_FILTER_STATE_PPID, + LTTV_FILTER_STATE_CT, + LTTV_FILTER_STATE_IT, + LTTV_FILTER_STATE_P_NAME, + LTTV_FILTER_STATE_EX_MODE, + LTTV_FILTER_STATE_EX_SUBMODE, + LTTV_FILTER_STATE_P_STATUS, + LTTV_FILTER_STATE_CPU, + LTTV_FILTER_EVENT_NAME, + LTTV_FILTER_EVENT_CATEGORY, + LTTV_FILTER_EVENT_TIME, + LTTV_FILTER_EVENT_TSC, + LTTV_FILTER_EVENT_FIELD, + LTTV_FILTER_UNDEFINED +// LTTV_FILTER_CATEGORY, +// LTTV_FILTER_TIME, +// LTTV_FILTER_TSC, +// LTTV_FILTER_PID, +// LTTV_FILTER_PPID, +// LTTV_FILTER_C_TIME, +// LTTV_FILTER_I_TIME, +// LTTV_FILTER_P_NAME, +// LTTV_FILTER_EX_MODE, +// LTTV_FILTER_EX_SUBMODE, +// LTTV_FILTER_P_STATUS, +// LTTV_FILTER_CPU +} LttvFieldType; /** - * @enum lttv_expression_op + * @enum LttvExpressionOp */ -typedef enum _lttv_expression_op +typedef enum _LttvExpressionOp { - LTTV_FIELD_EQ, /** equal */ - LTTV_FIELD_NE, /** not equal */ - LTTV_FIELD_LT, /** lower than */ - LTTV_FIELD_LE, /** lower or equal */ - LTTV_FIELD_GT, /** greater than */ - LTTV_FIELD_GE /** greater or equal */ -} lttv_expression_op; - -typedef enum _lttv_expression_type -{ - LTTV_EXPRESSION, - LTTV_SIMPLE_EXPRESSION, - LTTV_EXPRESSION_OP, - LTTV_UNDEFINED_EXPRESSION -} lttv_expression_type; - -typedef enum _lttv_tree_element { - LTTV_TREE_IDLE, - LTTV_TREE_NODE, - LTTV_TREE_LEAF -} lttv_tree_element; - -typedef struct _lttv_simple_expression + LTTV_FIELD_EQ, /** equal */ + LTTV_FIELD_NE, /** not equal */ + LTTV_FIELD_LT, /** lower than */ + LTTV_FIELD_LE, /** lower or equal */ + LTTV_FIELD_GT, /** greater than */ + LTTV_FIELD_GE /** greater or equal */ +} LttvExpressionOp; + +/** + * @enum LttvTreeElement + * @brief element types for the tree nodes + * + * LttvTreeElement defines the possible + * types of nodes which build the LttvFilterTree. + */ +typedef enum _LttvTreeElement { + LTTV_TREE_IDLE, /** this node does nothing */ + LTTV_TREE_NODE, /** this node contains a logical operator */ + LTTV_TREE_LEAF /** this node is a leaf and contains a simple expression */ +} LttvTreeElement; + +/** + * @enum LttvSimpleExpression + * @brief simple expression structure + * + * An LttvSimpleExpression is the base + * of all filtering operations. It also + * populates the leaves of the + * LttvFilterTree. Each expression + * consists basically in a structure + * field, an operator and a specific + * value. + */ +typedef struct _LttvSimpleExpression { - char *field_name; - lttv_expression_op op; +// char *field_name; + gint field; + gint offset; +// LttvExpressionOp op; + gboolean (*op)(); char *value; -} lttv_simple_expression; +} LttvSimpleExpression; -typedef enum _lttv_logical_op { +/** + * @enum LttvLogicalOp + * @brief logical operators + * + * Contains the possible values taken + * by logical operator used to link + * simple expression. Values are + * AND, OR, XOR or NOT + */ +typedef enum _LttvLogicalOp { LTTV_LOGICAL_OR = 1, /* 1 */ LTTV_LOGICAL_AND = 1<<1, /* 2 */ LTTV_LOGICAL_NOT = 1<<2, /* 4 */ LTTV_LOGICAL_XOR = 1<<3 /* 8 */ -} lttv_logical_op; +} LttvLogicalOp; -/* - * Ah .. that's my tree +/** + * @struct LttvFilterTree + * The filtering tree is used to represent the + * expression string in its entire hierarchy + * composed of simple expressions and logical + * operators */ -//typedef struct _lttv_expression -//{ -// gboolean simple_expression; -// int op; -// lttv_expression_type type; -// union { -// struct lttv_expression *e; - // lttv_field_relation *se; /* --> simple expression */ -// } e; -//} lttv_expression; - -typedef struct _lttv_expression { - lttv_expression_type type; +typedef struct _LttvFilterTree { + int node; /** value of LttvLogicalOp */ + LttvTreeElement left; + LttvTreeElement right; union { - lttv_simple_expression *se; - int op; - } e; -} lttv_expression; - -typedef struct _lttv_filter_tree { -// lttv_expression* node; - int node; - lttv_tree_element left; - lttv_tree_element right; - union { - struct lttv_filter_tree* t; - lttv_simple_expression* leaf; + struct LttvFilter* t; + LttvSimpleExpression* leaf; } l_child; union { - struct lttv_filter_tree* t; - lttv_simple_expression* leaf; + struct LttvFilter* t; + LttvSimpleExpression* leaf; } r_child; -} lttv_filter_tree; +} LttvFilterTree; /** * @struct lttv_filter - * ( will later contain a binary tree of filtering options ) + * Contains a binary tree of filtering options along + * with the expression itself. + */ +typedef struct _LttvFilter { + char *expression; + LttvFilterTree *head; +} LttvFilter; + +/* + * General Data Handling functions */ -typedef struct _lttv_filter_t { - lttv_filter_tree* tree; -} lttv_filter_t; +LttvSimpleExpression* lttv_simple_expression_new(); -lttv_simple_expression* lttv_simple_expression_new(); +void lttv_filter_tree_add_node(GPtrArray* stack, LttvFilterTree* subtree, LttvLogicalOp op); -lttv_filter_tree* lttv_filter_tree_new(); +gboolean parse_field_path(GPtrArray* fp, LttvSimpleExpression* se); -void lttv_filter_tree_destroy(lttv_filter_tree* tree); +gboolean parse_simple_expression(GString* expression); -lttv_filter* lttv_filter_clone(lttv_filter* tree); +/* + * Logical operators functions + */ -void lttv_filter_tree_add_node(GPtrArray* stack, lttv_filter_tree* subtree, lttv_logical_op op); +gboolean lttv_apply_op_eq_uint64(guint64 v1, guint64 v2); +gboolean lttv_apply_op_eq_uint32(guint32 v1, guint32 v2); +gboolean lttv_apply_op_eq_uint16(guint16 v1, guint16 v2); +gboolean lttv_apply_op_eq_double(double v1, double v2); +gboolean lttv_apply_op_eq_string(char* v1, char* v2); + +gboolean lttv_apply_op_ne_uint64(guint64 v1, guint64 v2); +gboolean lttv_apply_op_ne_uint32(guint32 v1, guint32 v2); +gboolean lttv_apply_op_ne_uint16(guint16 v1, guint16 v2); +gboolean lttv_apply_op_ne_double(double v1, double v2); +gboolean lttv_apply_op_ne_string(char* v1, char* v2); + +gboolean lttv_apply_op_lt_uint64(guint64 v1, guint64 v2); +gboolean lttv_apply_op_lt_uint32(guint32 v1, guint32 v2); +gboolean lttv_apply_op_lt_uint16(guint16 v1, guint16 v2); +gboolean lttv_apply_op_lt_double(double v1, double v2); + +gboolean lttv_apply_op_le_uint64(guint64 v1, guint64 v2); +gboolean lttv_apply_op_le_uint32(guint32 v1, guint32 v2); +gboolean lttv_apply_op_le_uint16(guint16 v1, guint16 v2); +gboolean lttv_apply_op_le_double(double v1, double v2); + +gboolean lttv_apply_op_gt_uint64(guint64 v1, guint64 v2); +gboolean lttv_apply_op_gt_uint32(guint32 v1, guint32 v2); +gboolean lttv_apply_op_gt_uint16(guint16 v1, guint16 v2); +gboolean lttv_apply_op_gt_double(double v1, double v2); + +gboolean lttv_apply_op_ge_uint64(guint64 v1, guint64 v2); +gboolean lttv_apply_op_ge_uint32(guint32 v1, guint32 v2); +gboolean lttv_apply_op_ge_uint16(guint16 v1, guint16 v2); +gboolean lttv_apply_op_ge_double(double v1, double v2); -/* Parse field path contained in list */ -gboolean parse_field_path(GPtrArray* fp); +/* + * Cloning + */ -gboolean parse_simple_expression(GString* expression); +LttvFilterTree* lttv_filter_tree_clone(LttvFilterTree* tree); + +LttvFilter* lttv_filter_clone(LttvFilter* filter); -/* Compile the filter expression into an efficient data structure */ -lttv_filter_tree *lttv_filter_new(char *expression, LttvTraceState *tfs); +/* + * Constructors/Destructors + */ + +/* LttvFilter */ +LttvFilter *lttv_filter_new(char *expression, LttvTraceState *tfs); + +void lttv_filter_destroy(LttvFilter* filter); + +/* LttvFilterTree */ +LttvFilterTree* lttv_filter_tree_new(); -void lttv_filter_destroy(lttv_filter* filter); +void lttv_filter_tree_destroy(LttvFilterTree* tree); + + +/* + * Hook functions + * + * These hook functions will be the one called when filtering + * an event, a trace, a state, etc. + */ /* Check if the tracefile or event satisfies the filter. The arguments are declared as void * to allow these functions to be used as hooks. */ -gboolean lttv_filter_tracefile(lttv_filter_tree *filter, LttTracefile *tracefile); +gboolean lttv_filter_tracefile(LttvFilter *filter, LttTracefile *tracefile); -gboolean lttv_filter_tracestate(lttv_filter_t *filter, LttvTraceState *tracestate); +gboolean lttv_filter_tracestate(LttvFilter *filter, LttvTraceState *tracestate); -gboolean lttv_filter_event(lttv_filter_t *filter, LttEvent *event); +gboolean lttv_filter_event(LttvFilter *filter, LttEvent *event); #endif // FILTER_H