X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-events.h;h=cf5acafab8348d7937623bb1376f118ed7827589;hb=b7150b71f0b34c5412d77b7c25bc5b210d5cef87;hp=aeb2a6b25631242f76b81cf7ffb698a93ae9cee3;hpb=0c95667685cf8612eb0d231883874c173b7bb5a1;p=lttng-modules.git

diff --git a/lttng-events.h b/lttng-events.h
index aeb2a6b2..cf5acafa 100644
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -236,6 +236,10 @@ struct lttng_channel_ops {
 				      const void *src, size_t len);
 	void (*event_memset)(struct lib_ring_buffer_ctx *ctx,
 			     int c, size_t len);
+	void (*event_strcpy)(struct lib_ring_buffer_ctx *ctx, const char *src,
+			     size_t len);
+	void (*event_strcpy_from_user)(struct lib_ring_buffer_ctx *ctx,
+				       const char __user *src, size_t len);
 	/*
 	 * packet_avail_size returns the available size in the current
 	 * packet. Note that the size returned is only a hint, since it
@@ -276,6 +280,8 @@ struct lttng_transport {
 	struct lttng_channel_ops ops;
 };
 
+struct lttng_syscall_filter;
+
 struct lttng_channel {
 	unsigned int id;
 	struct channel *chan;		/* Channel buffers */
@@ -290,12 +296,19 @@ struct lttng_channel {
 	struct lttng_transport *transport;
 	struct lttng_event **sc_table;	/* for syscall tracing */
 	struct lttng_event **compat_sc_table;
+	struct lttng_event **sc_exit_table;	/* for syscall exit tracing */
+	struct lttng_event **compat_sc_exit_table;
 	struct lttng_event *sc_unknown;	/* for unknown syscalls */
 	struct lttng_event *sc_compat_unknown;
-	struct lttng_event *sc_exit;	/* for syscall exit */
+	struct lttng_event *sc_exit_unknown;
+	struct lttng_event *compat_sc_exit_unknown;
+	struct lttng_syscall_filter *sc_filter;
 	int header_type;		/* 0: unset, 1: compact, 2: large */
 	enum channel_type channel_type;
-	unsigned int metadata_dumped:1;
+	unsigned int metadata_dumped:1,
+		sys_enter_registered:1,
+		sys_exit_registered:1,
+		syscall_all:1;
 };
 
 struct lttng_metadata_stream {
@@ -307,6 +320,7 @@ struct lttng_metadata_stream {
 	wait_queue_head_t read_wait;	/* Reader buffer-level wait queue */
 	struct list_head list;		/* Stream list */
 	struct lttng_transport *transport;
+	struct mutex lock;
 };
 
 struct lttng_session {
@@ -328,6 +342,7 @@ struct lttng_metadata_cache {
 	unsigned int metadata_written;	/* Number of bytes written in metadata cache */
 	struct kref refcount;		/* Metadata cache usage */
 	struct list_head metadata_stream;	/* Metadata stream list */
+	uuid_le uuid;			/* Trace session unique ID (copy) */
 };
 
 struct lttng_session *lttng_session_create(void);
@@ -386,6 +401,10 @@ int lttng_metadata_output_channel(struct lttng_metadata_stream *stream,
 #if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
 int lttng_syscalls_register(struct lttng_channel *chan, void *filter);
 int lttng_syscalls_unregister(struct lttng_channel *chan);
+int lttng_syscall_filter_enable(struct lttng_channel *chan,
+		const char *name);
+int lttng_syscall_filter_disable(struct lttng_channel *chan,
+		const char *name);
 #else
 static inline int lttng_syscalls_register(struct lttng_channel *chan, void *filter)
 {
@@ -396,6 +415,18 @@ static inline int lttng_syscalls_unregister(struct lttng_channel *chan)
 {
 	return 0;
 }
+
+int lttng_syscall_filter_enable(struct lttng_channel *chan,
+		const char *name)
+{
+	return -ENOSYS;
+}
+
+int lttng_syscall_filter_disable(struct lttng_channel *chan,
+		const char *name)
+{
+	return -ENOSYS;
+}
 #endif
 
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);