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Fix: context alignment not properly handled
[lttng-modules.git]
/
lttng-events.h
diff --git
a/lttng-events.h
b/lttng-events.h
index 6b39304f8d114e92387308cac22d74c72e0f5a98..e8c9afedffc3eb3ac94c1536e72d3943aaf330be 100644
(file)
--- a/
lttng-events.h
+++ b/
lttng-events.h
@@
-167,6
+167,7
@@
struct lttng_ctx {
struct lttng_ctx_field *fields;
unsigned int nr_fields;
unsigned int allocated_fields;
struct lttng_ctx_field *fields;
unsigned int nr_fields;
unsigned int allocated_fields;
+ size_t largest_align; /* in bytes */
};
struct lttng_event_desc {
};
struct lttng_event_desc {
@@
-236,6
+237,10
@@
struct lttng_channel_ops {
const void *src, size_t len);
void (*event_memset)(struct lib_ring_buffer_ctx *ctx,
int c, size_t len);
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
/*
* packet_avail_size returns the available size in the current
* packet. Note that the size returned is only a hint, since it
@@
-307,6
+312,7
@@
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;
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 {
};
struct lttng_session {
@@
-328,6
+334,7
@@
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 */
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);
};
struct lttng_session *lttng_session_create(void);
@@
-399,6
+406,7
@@
static inline int lttng_syscalls_unregister(struct lttng_channel *chan)
#endif
struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
#endif
struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
+void lttng_context_update(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);
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);
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