X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fevents.h;h=80de505056fe8a265d06c02f43717c92934fc0ea;hb=99d223adfae9b68800e91bda470c92acb14efae6;hp=194e89004cb3b451c17719990c3266e9deb9f139;hpb=183e8b3ade0b58852561b334b3455988c743ebc9;p=lttng-modules.git

diff --git a/include/lttng/events.h b/include/lttng/events.h
index 194e8900..80de5050 100644
--- a/include/lttng/events.h
+++ b/include/lttng/events.h
@@ -232,30 +232,46 @@ enum lttng_event_type {
 	LTTNG_TYPE_ENABLER = 1,
 };
 
-struct lttng_filter_bytecode_node {
+enum lttng_bytecode_node_type {
+	LTTNG_BYTECODE_NODE_TYPE_FILTER,
+	LTTNG_BYTECODE_NODE_TYPE_CAPTURE,
+};
+
+struct lttng_bytecode_node {
+	enum lttng_bytecode_node_type type;
 	struct list_head node;
 	struct lttng_enabler *enabler;
-	/*
-	 * struct lttng_kernel_filter_bytecode has var. sized array, must be
-	 * last field.
-	 */
-	struct lttng_kernel_filter_bytecode bc;
+	struct {
+		uint32_t len;
+		uint32_t reloc_offset;
+		uint64_t seqnum;
+		char data[];
+	} bc;
 };
 
 /*
- * Filter return value masks.
+ * Bytecode interpreter return value masks.
  */
-enum lttng_filter_ret {
-	LTTNG_FILTER_DISCARD = 0,
-	LTTNG_FILTER_RECORD_FLAG = (1ULL << 0),
+enum lttng_bytecode_interpreter_ret {
+	LTTNG_INTERPRETER_DISCARD = 0,
+	LTTNG_INTERPRETER_RECORD_FLAG = (1ULL << 0),
 	/* Other bits are kept for future use. */
 };
 
+struct lttng_interpreter_output;
+
 struct lttng_bytecode_runtime {
 	/* Associated bytecode */
-	struct lttng_filter_bytecode_node *bc;
-	uint64_t (*filter)(void *filter_data, struct lttng_probe_ctx *lttng_probe_ctx,
-			const char *filter_stack_data);
+	struct lttng_bytecode_node *bc;
+	union {
+		uint64_t (*filter)(void *filter_data,
+				struct lttng_probe_ctx *lttng_probe_ctx,
+				const char *filter_stack_data);
+		uint64_t (*capture)(void *filter_data,
+				struct lttng_probe_ctx *lttng_probe_ctx,
+				const char *capture_stack_data,
+				struct lttng_interpreter_output *output);
+	} interpreter_funcs;
 	int link_failed;
 	struct list_head node;	/* list of bytecode runtime in event */
 	struct lttng_ctx *ctx;
@@ -364,9 +380,13 @@ struct lttng_event_notifier {
 	struct hlist_node hlist;	/* session ht of event_notifiers */
 	/* list of struct lttng_bytecode_runtime, sorted by seqnum */
 	struct list_head filter_bytecode_runtime_head;
+	size_t num_captures;
+	struct list_head capture_bytecode_runtime_head;
 	int has_enablers_without_bytecode;
 
-	void (*send_notification)(struct lttng_event_notifier *event_notifier);
+	void (*send_notification)(struct lttng_event_notifier *event_notifier,
+			struct lttng_probe_ctx *lttng_probe_ctx,
+			const char *interpreter_stack_data);
 	struct lttng_event_notifier_group *group; /* Weak ref */
 };
 
@@ -384,7 +404,7 @@ struct lttng_enabler {
 
 	enum lttng_enabler_format_type format_type;
 
-	/* head list of struct lttng_ust_filter_bytecode_node */
+	/* head list of struct lttng_bytecode_node */
 	struct list_head filter_bytecode_head;
 
 	struct lttng_kernel_event event_param;
@@ -408,8 +428,13 @@ struct lttng_event_notifier_enabler {
 	struct lttng_enabler base;
 	struct list_head node;	/* List of event_notifier enablers */
 	struct lttng_event_notifier_group *group;
+
+	/* head list of struct lttng_bytecode_node */
+	struct list_head capture_bytecode_head;
+	uint64_t num_captures;
 };
 
+
 static inline
 struct lttng_enabler *lttng_event_enabler_as_enabler(
 		struct lttng_event_enabler *event_enabler)
@@ -886,17 +911,19 @@ static inline int lttng_syscall_filter_disable_event_notifier(
 
 #endif
 
-void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
 int lttng_event_enabler_attach_filter_bytecode(struct lttng_event_enabler *event_enabler,
 		struct lttng_kernel_filter_bytecode __user *bytecode);
 int lttng_event_notifier_enabler_attach_filter_bytecode(
 		struct lttng_event_notifier_enabler *event_notifier_enabler,
 		struct lttng_kernel_filter_bytecode __user *bytecode);
+int lttng_event_notifier_enabler_attach_capture_bytecode(
+		struct lttng_event_notifier_enabler *event_notifier_enabler,
+		struct lttng_kernel_capture_bytecode __user *bytecode);
 
 void lttng_enabler_link_bytecode(const struct lttng_event_desc *event_desc,
 		struct lttng_ctx *ctx,
-		struct list_head *bytecode_runtime_head,
-		struct lttng_enabler *enabler);
+		struct list_head *instance_bytecode_runtime_head,
+		struct list_head *enabler_bytecode_runtime_head);
 
 int lttng_probes_init(void);