X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fevents.h;h=3ba8525f3f2a7da566f50cc04bfa58ef25320c10;hb=badfe9f5c396efb1b00e5f2abcded2e4ac4a5bac;hp=c9d664f1db86de4e36cb401ad560c8fbd6e3bbd6;hpb=2df37e95fa4303ecc0db41334452665491533641;p=lttng-modules.git

diff --git a/include/lttng/events.h b/include/lttng/events.h
index c9d664f1..3ba8525f 100644
--- a/include/lttng/events.h
+++ b/include/lttng/events.h
@@ -273,6 +273,16 @@ struct lttng_uprobe_handler {
 	struct list_head node;
 };
 
+enum lttng_syscall_entryexit {
+	LTTNG_SYSCALL_ENTRY,
+	LTTNG_SYSCALL_EXIT,
+};
+
+enum lttng_syscall_abi {
+	LTTNG_SYSCALL_ABI_NATIVE,
+	LTTNG_SYSCALL_ABI_COMPAT,
+};
+
 /*
  * lttng_event structure is referred to by the tracing fast path. It must be
  * kept small.
@@ -299,6 +309,11 @@ struct lttng_event {
 			struct inode *inode;
 			struct list_head head;
 		} uprobe;
+		struct {
+			char *syscall_name;
+			enum lttng_syscall_entryexit entryexit;
+			enum lttng_syscall_abi abi;
+		} syscall;
 	} u;
 	struct list_head list;		/* Event list in session */
 	unsigned int metadata_dumped:1;
@@ -438,10 +453,10 @@ struct lttng_channel {
 	struct lttng_syscall_filter *sc_filter;
 	int header_type;		/* 0: unset, 1: compact, 2: large */
 	enum channel_type channel_type;
+	int syscall_all;
 	unsigned int metadata_dumped:1,
 		sys_enter_registered:1,
 		sys_exit_registered:1,
-		syscall_all:1,
 		tstate:1;		/* Transient enable state */
 };
 
@@ -455,6 +470,7 @@ struct lttng_metadata_stream {
 	struct list_head list;		/* Stream list */
 	struct lttng_transport *transport;
 	uint64_t version;		/* Current version of the metadata cache */
+	bool coherent;			/* Stream in a coherent state */
 };
 
 #define LTTNG_DYNAMIC_LEN_STACK_SIZE	128
@@ -529,6 +545,7 @@ struct lttng_metadata_cache {
 	char *data;			/* Metadata cache */
 	unsigned int cache_alloc;	/* Metadata allocated size (bytes) */
 	unsigned int metadata_written;	/* Number of bytes written in metadata cache */
+	atomic_t producing;		/* Metadata being produced (incomplete) */
 	struct kref refcount;		/* Metadata cache usage */
 	struct list_head metadata_stream;	/* Metadata stream list */
 	uuid_le uuid;			/* Trace session unique ID (copy) */
@@ -609,7 +626,7 @@ int lttng_probes_init(void);
 void lttng_probes_exit(void);
 
 int lttng_metadata_output_channel(struct lttng_metadata_stream *stream,
-		struct channel *chan);
+		struct channel *chan, bool *coherent);
 
 int lttng_id_tracker_get_node_id(const struct lttng_id_hash_node *node);
 int lttng_id_tracker_empty_set(struct lttng_id_tracker *lf);
@@ -632,10 +649,11 @@ void lttng_clock_unref(void);
 #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_syscalls_destroy(struct lttng_channel *chan);
 int lttng_syscall_filter_enable(struct lttng_channel *chan,
-		const char *name);
+		struct lttng_event *event);
 int lttng_syscall_filter_disable(struct lttng_channel *chan,
-		const char *name);
+		struct lttng_event *event);
 long lttng_channel_syscall_mask(struct lttng_channel *channel,
 		struct lttng_kernel_syscall_mask __user *usyscall_mask);
 #else
@@ -649,14 +667,19 @@ static inline int lttng_syscalls_unregister(struct lttng_channel *chan)
 	return 0;
 }
 
+static inline int lttng_syscalls_destroy(struct lttng_channel *chan)
+{
+	return 0;
+}
+
 static inline int lttng_syscall_filter_enable(struct lttng_channel *chan,
-		const char *name)
+		struct lttng_event *event);
 {
 	return -ENOSYS;
 }
 
 static inline int lttng_syscall_filter_disable(struct lttng_channel *chan,
-		const char *name)
+		struct lttng_event *event);
 {
 	return -ENOSYS;
 }
@@ -681,11 +704,15 @@ extern struct lttng_ctx *lttng_static_ctx;
 int lttng_context_init(void);
 void lttng_context_exit(void);
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
+ssize_t lttng_append_context_index(struct lttng_ctx **ctx_p);
+struct lttng_ctx_field *lttng_get_context_field_from_index(struct lttng_ctx *ctx,
+		size_t index);
 void lttng_context_update(struct lttng_ctx *ctx);
 int lttng_find_context(struct lttng_ctx *ctx, const char *name);
 int lttng_get_context_index(struct lttng_ctx *ctx, const char *name);
 void lttng_remove_context_field(struct lttng_ctx **ctx,
 				struct lttng_ctx_field *field);
+void lttng_remove_context_field_index(struct lttng_ctx **ctx_p, size_t index);
 void lttng_destroy_context(struct lttng_ctx *ctx);
 int lttng_add_pid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_cpu_id_to_ctx(struct lttng_ctx **ctx);
@@ -799,6 +826,17 @@ int lttng_add_uts_ns_to_ctx(struct lttng_ctx **ctx)
 }
 #endif
 
+#if defined(CONFIG_TIME_NS) && \
+	(LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0))
+int lttng_add_time_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_time_ns_to_ctx(struct lttng_ctx **ctx)
+{
+	return -ENOSYS;
+}
+#endif
+
 int lttng_add_uid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_euid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_suid_to_ctx(struct lttng_ctx **ctx);