#define _LTTNG_EVENTS_INTERNAL_H
#include <wrapper/compiler_attributes.h>
+#include <wrapper/uuid.h>
#include <lttng/events.h>
struct list_head filter_bytecode_runtime_head;
struct hlist_node hlist_node; /* node in events hash table */
+ struct list_head node; /* node in event list */
enum lttng_kernel_abi_instrumentation instrumentation;
/* Selected by instrumentation */
struct lttng_kernel_event_common_private parent;
struct lttng_kernel_event_recorder *pub; /* Public event interface */
- struct list_head node; /* Event recorder list */
struct lttng_kernel_ctx *ctx;
unsigned int id;
unsigned int metadata_dumped:1;
struct lttng_event_notifier_group *group; /* weak ref */
size_t num_captures; /* Needed to allocate the msgpack array. */
uint64_t error_counter_index;
- struct list_head node; /* Event notifier list */
struct list_head capture_bytecode_runtime_head;
};
unsigned int enabled:1;
uint64_t user_token; /* User-provided token. */
+
+ struct list_head node; /* list of enablers */
+ bool published; /* published in list. */
};
struct lttng_event_recorder_enabler {
struct lttng_event_enabler_common parent;
- struct list_head node; /* per-session list of enablers */
- bool published; /* published in per-session list. */
struct lttng_kernel_channel_buffer *chan;
};
struct lttng_event_notifier_enabler {
struct lttng_event_enabler_common parent;
uint64_t error_counter_index;
- struct list_head node; /* List of event_notifier enablers */
- bool published; /* published in group list. */
struct lttng_event_notifier_group *group;
/* head list of struct lttng_kernel_bytecode_node */
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) */
+ guid_t uuid; /* Trace session unique ID (copy) */
struct mutex lock; /* Produce/consume lock */
uint64_t version; /* Current version of the metadata */
};
struct list_head events; /* Event list head */
struct list_head list; /* Session list */
unsigned int free_chan_id; /* Next chan ID to allocate */
- uuid_le uuid; /* Trace session unique ID */
+ guid_t uuid; /* Trace session unique ID */
struct lttng_metadata_cache *metadata_cache;
unsigned int metadata_dumped:1,
tstate:1; /* Transient enable state */
}
}
+static inline
+struct list_head *lttng_get_event_list_head_from_enabler(struct lttng_event_enabler_common *event_enabler)
+{
+ switch (event_enabler->enabler_type) {
+ case LTTNG_EVENT_ENABLER_TYPE_RECORDER:
+ {
+ struct lttng_event_recorder_enabler *event_recorder_enabler =
+ container_of(event_enabler, struct lttng_event_recorder_enabler, parent);
+ return &event_recorder_enabler->chan->parent.session->priv->events;
+ }
+ case LTTNG_EVENT_ENABLER_TYPE_NOTIFIER:
+ {
+ struct lttng_event_notifier_enabler *event_notifier_enabler =
+ container_of(event_enabler, struct lttng_event_notifier_enabler, parent);
+ return &event_notifier_enabler->group->event_notifiers_head;
+ }
+ default:
+ return NULL;
+ }
+}
+
int lttng_context_init(void);
void lttng_context_exit(void);
int lttng_kernel_context_append(struct lttng_kernel_ctx **ctx_p,
struct lttng_kernel_abi_filter_bytecode __user *bytecode);
void lttng_event_enabler_destroy(struct lttng_event_enabler_common *event_enabler);
-int lttng_desc_match_enabler(const struct lttng_kernel_event_desc *desc,
+bool lttng_desc_match_enabler(const struct lttng_kernel_event_desc *desc,
struct lttng_event_enabler_common *enabler);
+bool lttng_event_enabler_match_event(struct lttng_event_enabler_common *event_enabler,
+ struct lttng_kernel_event_common *event);
+bool lttng_event_enabler_desc_match_event(struct lttng_event_enabler_common *event_enabler,
+ const struct lttng_kernel_event_desc *desc,
+ struct lttng_kernel_event_common *event);
+bool lttng_event_enabler_event_name_match_event(struct lttng_event_enabler_common *event_enabler,
+ const char *event_name,
+ struct lttng_kernel_event_common *event);
void lttng_enabler_link_bytecode(const struct lttng_kernel_event_desc *event_desc,
struct lttng_kernel_ctx *ctx,
struct list_head *enabler_bytecode_runtime_head);
#if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
-int lttng_syscalls_register_event(struct lttng_event_enabler_common *event_enabler);
+int lttng_event_enabler_create_syscall_events_if_missing(struct lttng_event_enabler_common *event_enabler);
int lttng_syscall_filter_enable_event(struct lttng_kernel_event_common *event);
int lttng_syscall_filter_disable_event(struct lttng_kernel_event_common *event);
long lttng_syscall_table_get_active_mask(struct lttng_kernel_syscall_table *syscall_table,
struct lttng_kernel_abi_syscall_mask __user *usyscall_mask);
+
+void lttng_syscall_table_set_wildcard_all(struct lttng_event_enabler_common *event_enabler);
#else
-static inline int lttng_syscalls_register_event(struct lttng_event_enabler_common *event_enabler)
+static inline int lttng_event_enabler_create_syscall_events_if_missing(struct lttng_event_enabler_common *event_enabler)
{
return -ENOSYS;
}
return -ENOSYS;
}
+static inline void lttng_syscall_table_set_wildcard_all(struct lttng_event_enabler_common *event_enabler)
+{
+}
#endif
#ifdef CONFIG_KPROBES
unsigned int read_timer_interval);
void lttng_metadata_channel_destroy(struct lttng_kernel_channel_buffer *chan);
-struct lttng_kernel_event_recorder *lttng_kernel_event_recorder_create(struct lttng_event_recorder_enabler *event_enabler,
+struct lttng_kernel_event_common *_lttng_kernel_event_create(struct lttng_event_enabler_common *event_enabler,
const struct lttng_kernel_event_desc *event_desc);
-struct lttng_kernel_event_recorder *_lttng_kernel_event_recorder_create(struct lttng_event_recorder_enabler *event_enabler,
+struct lttng_kernel_event_common *lttng_kernel_event_create(struct lttng_event_enabler_common *event_enabler,
const struct lttng_kernel_event_desc *event_desc);
-struct lttng_kernel_event_recorder *lttng_event_compat_old_create(struct lttng_kernel_channel_buffer *chan,
- struct lttng_kernel_abi_old_event *old_event_param,
- const struct lttng_kernel_event_desc *internal_desc);
-
-struct lttng_kernel_event_notifier *lttng_event_notifier_create(struct lttng_event_notifier_enabler *event_enabler,
- const struct lttng_kernel_event_desc *event_notifier_desc);
-struct lttng_kernel_event_notifier *_lttng_event_notifier_create(struct lttng_event_notifier_enabler *event_enabler,
- const struct lttng_kernel_event_desc *event_notifier_desc);
int lttng_channel_enable(struct lttng_kernel_channel_common *channel);
int lttng_channel_disable(struct lttng_kernel_channel_common *channel);
projects / lttng-modules.git / blobdiff