X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=ltt-events.h;h=955611e969e466e3414f2d7c90149f9833e2a17a;hb=e8951e63e00a0b56d8ce1b0c821e5ebfb1e35d63;hp=6cc4ea3f6fed01bbcc9309dbfcdfbfb33400a21e;hpb=7371f44c2c8ea6e60c0457671af008dd018c0b5f;p=lttng-modules.git

diff --git a/ltt-events.h b/ltt-events.h
index 6cc4ea3f..955611e9 100644
--- a/ltt-events.h
+++ b/ltt-events.h
@@ -14,7 +14,7 @@
 #include <linux/list.h>
 #include <linux/kprobes.h>
 #include "wrapper/uuid.h"
-#include "ltt-debugfs-abi.h"
+#include "lttng-abi.h"
 
 #undef is_signed_type
 #define is_signed_type(type)		(((type)(-1)) < 0)
@@ -67,8 +67,8 @@ struct lttng_enum_entry {
 struct lttng_integer_type {
 	unsigned int size;		/* in bits */
 	unsigned short alignment;	/* in bits */
-	unsigned int signedness:1;
-	unsigned int reverse_byte_order:1;
+	unsigned int signedness:1,
+		reverse_byte_order:1;
 	unsigned int base;		/* 2, 8, 10, 16, for pretty print */
 	enum lttng_string_encodings encoding;
 };
@@ -158,7 +158,7 @@ struct lttng_event_desc {
 };
 
 struct lttng_probe_desc {
-	const struct lttng_event_desc *event_desc;
+	const struct lttng_event_desc **event_desc;
 	unsigned int nr_events;
 	struct list_head head;			/* chain registered probes */
 };
@@ -191,7 +191,7 @@ struct ltt_event {
 		} ftrace;
 	} u;
 	struct list_head list;		/* Event list */
-	int metadata_dumped:1;
+	unsigned int metadata_dumped:1;
 };
 
 struct ltt_channel_ops {
@@ -210,13 +210,17 @@ struct ltt_channel_ops {
 	void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
 	void (*event_write)(struct lib_ring_buffer_ctx *ctx, const void *src,
 			    size_t len);
+	void (*event_write_from_user)(struct lib_ring_buffer_ctx *ctx,
+				      const void *src, size_t len);
+	void (*event_memset)(struct lib_ring_buffer_ctx *ctx,
+			     int c, 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
 	 * may change due to concurrent writes.
 	 */
 	size_t (*packet_avail_size)(struct channel *chan);
-	wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan);
+	wait_queue_head_t *(*get_writer_buf_wait_queue)(struct channel *chan, int cpu);
 	wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan);
 	int (*is_finalized)(struct channel *chan);
 	int (*is_disabled)(struct channel *chan);
@@ -241,8 +245,13 @@ struct ltt_channel {
 	struct list_head list;		/* Channel list */
 	struct ltt_channel_ops *ops;
 	struct ltt_transport *transport;
+	struct ltt_event **sc_table;	/* for syscall tracing */
+	struct ltt_event **compat_sc_table;
+	struct ltt_event *sc_unknown;	/* for unknown syscalls */
+	struct ltt_event *sc_compat_unknown;
+	struct ltt_event *sc_exit;	/* for syscall exit */
 	int header_type;		/* 0: unset, 1: compact, 2: large */
-	int metadata_dumped:1;
+	unsigned int metadata_dumped:1;
 };
 
 struct ltt_session {
@@ -255,7 +264,7 @@ struct ltt_session {
 	struct list_head list;		/* Session list */
 	unsigned int free_chan_id;	/* Next chan ID to allocate */
 	uuid_le uuid;			/* Trace session unique ID */
-	int metadata_dumped:1;
+	unsigned int metadata_dumped:1;
 };
 
 struct ltt_session *ltt_session_create(void);
@@ -277,7 +286,8 @@ struct ltt_channel *ltt_global_channel_create(struct ltt_session *session,
 
 struct ltt_event *ltt_event_create(struct ltt_channel *chan,
 				   struct lttng_kernel_event *event_param,
-				   void *filter);
+				   void *filter,
+				   const struct lttng_event_desc *internal_desc);
 
 int ltt_channel_enable(struct ltt_channel *channel);
 int ltt_channel_disable(struct ltt_channel *channel);
@@ -297,13 +307,29 @@ const struct lttng_event_desc *ltt_event_get(const char *name);
 void ltt_event_put(const struct lttng_event_desc *desc);
 int ltt_probes_init(void);
 void ltt_probes_exit(void);
+
+#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
+int lttng_syscalls_register(struct ltt_channel *chan, void *filter);
+int lttng_syscalls_unregister(struct ltt_channel *chan);
+#else
+static inline int lttng_syscalls_register(struct ltt_channel *chan, void *filter)
+{
+	return -ENOSYS;
+}
+
+static inline int lttng_syscalls_unregister(struct ltt_channel *chan)
+{
+	return 0;
+}
+#endif
+
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
 int lttng_find_context(struct lttng_ctx *ctx, const char *name);
 void lttng_remove_context_field(struct lttng_ctx **ctx,
 				struct lttng_ctx_field *field);
 void lttng_destroy_context(struct lttng_ctx *ctx);
 int lttng_add_pid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_comm_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_procname_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_prio_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_nice_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx);
@@ -311,7 +337,7 @@ int lttng_add_tid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_ppid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_vppid_to_ctx(struct lttng_ctx **ctx);
-#ifdef CONFIG_PERF_EVENTS
+#if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
 int lttng_add_perf_counter_to_ctx(uint32_t type,
 				  uint64_t config,
 				  const char *name,
@@ -415,6 +441,8 @@ void lttng_ftrace_destroy_private(struct ltt_event *event)
 }
 #endif
 
+int lttng_calibrate(struct lttng_kernel_calibrate *calibrate);
+
 extern const struct file_operations lttng_tracepoint_list_fops;
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))