#define _LTTNG_EVENTS_INTERNAL_H
#include <wrapper/compiler_attributes.h>
+#include <wrapper/uuid.h>
#include <lttng/events.h>
int has_enablers_without_filter_bytecode;
/* list of struct lttng_kernel_bytecode_runtime, sorted by seqnum */
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 */
union {
struct lttng_kernel_event_common_private parent;
struct lttng_kernel_event_recorder *pub; /* Public event interface */
- struct list_head node; /* Event recorder list */
- struct hlist_node hlist; /* Hash table of event recorders */
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 hlist_node hlist; /* Hash table of event notifiers */
struct list_head capture_bytecode_runtime_head;
-
};
struct lttng_kernel_syscall_table {
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 */
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 lttng_counter_ops *ops;
};
-#define LTTNG_EVENT_NOTIFIER_HT_BITS 12
-#define LTTNG_EVENT_NOTIFIER_HT_SIZE (1U << LTTNG_EVENT_NOTIFIER_HT_BITS)
+#define LTTNG_EVENT_HT_BITS 12
+#define LTTNG_EVENT_HT_SIZE (1U << LTTNG_EVENT_HT_BITS)
-struct lttng_event_notifier_ht {
- struct hlist_head table[LTTNG_EVENT_NOTIFIER_HT_SIZE];
+struct lttng_event_ht {
+ struct hlist_head table[LTTNG_EVENT_HT_SIZE];
};
struct lttng_event_notifier_group {
struct list_head node; /* event notifier group list */
struct list_head enablers_head; /* List of enablers */
struct list_head event_notifiers_head; /* List of event notifier */
- struct lttng_event_notifier_ht event_notifiers_ht; /* Hash table of event notifiers */
+ struct lttng_event_ht events_ht; /* Hash table of event notifiers */
struct lttng_kernel_channel_buffer_ops *ops;
struct lttng_transport *transport;
struct lttng_kernel_ring_buffer_channel *chan; /* Ring buffer channel for event notifier group. */
struct lttng_counter_ops ops;
};
-#define LTTNG_EVENT_HT_BITS 12
-#define LTTNG_EVENT_HT_SIZE (1U << LTTNG_EVENT_HT_BITS)
-
-struct lttng_event_ht {
- struct hlist_head table[LTTNG_EVENT_HT_SIZE];
-};
-
struct lttng_kernel_session_private {
struct lttng_kernel_session *pub; /* Public session interface */
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 */
return &event_notifier_enabler->parent;
}
+static inline
+struct lttng_event_ht *lttng_get_event_ht_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_ht;
+ }
+ 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->events_ht;
+ }
+ default:
+ return NULL;
+ }
+}
+
+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_event_recorder_enabler *event_enabler);
struct lttng_event_notifier_enabler *lttng_event_notifier_enabler_create(
- struct lttng_event_notifier_group *event_notifier_group,
enum lttng_enabler_format_type format_type,
- struct lttng_kernel_abi_event_notifier *event_notifier_param);
+ struct lttng_kernel_abi_event_notifier *event_notifier_param,
+ struct lttng_event_notifier_group *event_notifier_group);
+void lttng_event_notifier_enabler_group_add(struct lttng_event_notifier_group *event_notifier_group,
+ struct lttng_event_notifier_enabler *event_notifier_enabler);
int lttng_event_notifier_enabler_attach_capture_bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_kernel_abi_capture_bytecode __user *bytecode);
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);
int lttng_syscalls_unregister_syscall_table(struct lttng_kernel_syscall_table *syscall_table);
int lttng_syscalls_destroy_syscall_table(struct lttng_kernel_syscall_table *syscall_table);
-long lttng_channel_syscall_mask(struct lttng_kernel_channel_buffer *channel,
+long lttng_syscall_table_get_active_mask(struct lttng_kernel_syscall_table *syscall_table,
struct lttng_kernel_abi_syscall_mask __user *usyscall_mask);
-int lttng_syscalls_create_matching_event_notifiers(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
+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 0;
}
-static inline long lttng_channel_syscall_mask(struct lttng_kernel_channel_buffer *channel,
- struct lttng_kernel_syscall_mask __user *usyscall_mask)
+static inline long lttng_syscall_table_get_active_mask(struct lttng_kernel_syscall_table *syscall_table,
+ struct lttng_kernel_abi_syscall_mask __user *usyscall_mask)
{
return -ENOSYS;
}
return -ENOSYS;
}
+static inline void lttng_syscall_table_set_wildcard_all(struct lttng_event_enabler_common *event_enabler)
+{
+}
#endif
#ifdef CONFIG_KPROBES
const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_kernel_event_recorder *event_entry,
- struct lttng_kernel_event_recorder *event_exit);
-void lttng_kretprobes_unregister(struct lttng_kernel_event_recorder *event);
-void lttng_kretprobes_destroy_private(struct lttng_kernel_event_recorder *event);
+ struct lttng_kernel_event_common *event_entry,
+ struct lttng_kernel_event_common *event_exit);
+void lttng_kretprobes_unregister(struct lttng_kernel_event_common *event);
+void lttng_kretprobes_destroy_private(struct lttng_kernel_event_common *event);
int lttng_kretprobes_event_enable_state(struct lttng_kernel_event_common *event,
int enable);
#else
const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_kernel_event_recorder *event_entry,
- struct lttng_kernel_event_recorder *event_exit)
+ struct lttng_kernel_event_common *event_entry,
+ struct lttng_kernel_event_common *event_exit)
{
return -ENOSYS;
}
static inline
-void lttng_kretprobes_unregister(struct lttng_kernel_event_recorder *event)
+void lttng_kretprobes_unregister(struct lttng_kernel_event_common *event)
{
}
static inline
-void lttng_kretprobes_destroy_private(struct lttng_kernel_event_recorder *event)
+void lttng_kretprobes_destroy_private(struct lttng_kernel_event_common *event)
{
}
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(
- const struct lttng_kernel_event_desc *event_notifier_desc,
- uint64_t id,
- uint64_t error_counter_idx,
- struct lttng_event_notifier_group *event_notifier_group,
- struct lttng_kernel_abi_event_notifier *event_notifier_param,
- enum lttng_kernel_abi_instrumentation itype);
-struct lttng_kernel_event_notifier *_lttng_event_notifier_create(
- const struct lttng_kernel_event_desc *event_notifier_desc,
- uint64_t id,
- uint64_t error_counter_idx,
- struct lttng_event_notifier_group *event_notifier_group,
- struct lttng_kernel_abi_event_notifier *event_notifier_param,
- enum lttng_kernel_abi_instrumentation itype);
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