struct lttng_kernel_type_sequence {
struct lttng_kernel_type_common parent;
- const char *length_name; /* Length field name. */
+ const char *length_name; /* Length field name. If NULL, use previous field. */
const struct lttng_kernel_type_common *elem_type;
unsigned int alignment; /* Alignment before elements. */
enum lttng_kernel_string_encoding encoding;
struct lttng_kernel_type_variant {
struct lttng_kernel_type_common parent;
- const char *tag_name;
+ const char *tag_name; /* Tag field name. If NULL, use previous field. */
const struct lttng_kernel_event_field **choices; /* Array of pointers to fields. */
unsigned int nr_choices;
unsigned int alignment;
_fields \
)
-#define lttng_kernel_static_ctx_field(_event_field, _get_size, _get_size_arg, _record, _get_value, _destroy, _priv) \
- __LTTNG_COMPOUND_LITERAL(const struct lttng_kernel_ctx_field, { \
- .event_field = (_event_field), \
- .get_size = (_get_size), \
- .get_size_arg = (_get_size_arg), \
- .record = (_record), \
- .get_value = (_get_value), \
- .destroy = (_destroy), \
- .priv = (_priv), \
- })
-
#define lttng_kernel_static_enum_entry_value(_string, _value) \
__LTTNG_COMPOUND_LITERAL(const struct lttng_kernel_enum_entry, { \
.start = { \
} \
}),
-union lttng_ctx_value {
- int64_t s64;
- const char *str;
- double d;
-};
-
-/*
- * We need to keep this perf counter field separately from struct
- * lttng_kernel_ctx_field because cpu hotplug needs fixed-location addresses.
- */
-struct lttng_perf_counter_field {
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
- struct lttng_cpuhp_node cpuhp_prepare;
- struct lttng_cpuhp_node cpuhp_online;
-#else
- struct notifier_block nb;
- int hp_enable;
-#endif
- struct perf_event_attr *attr;
- struct perf_event **e; /* per-cpu array */
- char *name;
- struct lttng_kernel_event_field *event_field;
-};
-
-struct lttng_probe_ctx {
- struct lttng_event *event;
- struct lttng_event_notifier *event_notifier; // Not sure if we will ever need it.
+struct lttng_kernel_probe_ctx {
+ struct lttng_kernel_event_common *event;
uint8_t interruptible;
};
-struct lttng_kernel_ctx_field {
- const struct lttng_kernel_event_field *event_field;
- size_t (*get_size)(size_t offset);
- size_t (*get_size_arg)(size_t offset, struct lttng_kernel_ctx_field *field,
- struct lib_ring_buffer_ctx *ctx,
- struct lttng_channel *chan);
- void (*record)(struct lttng_kernel_ctx_field *field,
- struct lib_ring_buffer_ctx *ctx,
- struct lttng_channel *chan);
- void (*get_value)(struct lttng_kernel_ctx_field *field,
- struct lttng_probe_ctx *lttng_probe_ctx,
- union lttng_ctx_value *value);
- void (*destroy)(struct lttng_kernel_ctx_field *field);
- void *priv;
-};
-
-struct lttng_kernel_ctx {
- struct lttng_kernel_ctx_field *fields;
- unsigned int nr_fields;
- unsigned int allocated_fields;
- size_t largest_align; /* in bytes */
-};
-
struct lttng_kernel_event_desc {
const char *event_name; /* lttng-modules name */
const char *event_kname; /* Linux kernel name (tracepoints) */
const struct lttng_kernel_event_field **fields; /* event payload */
unsigned int nr_fields;
struct module *owner;
- void *event_notifier_callback;
};
struct lttng_kernel_probe_desc {
struct lttng_krp; /* Kretprobe handling */
-enum lttng_bytecode_node_type {
- LTTNG_BYTECODE_NODE_TYPE_FILTER,
- LTTNG_BYTECODE_NODE_TYPE_CAPTURE,
-};
-
-struct lttng_bytecode_node {
- enum lttng_bytecode_node_type type;
- struct list_head node;
- struct lttng_enabler *enabler;
- struct {
- uint32_t len;
- uint32_t reloc_offset;
- uint64_t seqnum;
- char data[];
- } bc;
-};
-
-/*
- * Bytecode interpreter return value masks.
- */
-enum lttng_bytecode_interpreter_ret {
- LTTNG_INTERPRETER_DISCARD = 0,
- LTTNG_INTERPRETER_RECORD_FLAG = (1ULL << 0),
- /* Other bits are kept for future use. */
-};
-
-struct lttng_interpreter_output;
-
-struct lttng_bytecode_runtime {
- /* Associated bytecode */
- struct lttng_bytecode_node *bc;
- union {
- uint64_t (*filter)(void *filter_data,
- struct lttng_probe_ctx *lttng_probe_ctx,
- const char *filter_stack_data);
- uint64_t (*capture)(void *filter_data,
- struct lttng_probe_ctx *lttng_probe_ctx,
- const char *capture_stack_data,
- struct lttng_interpreter_output *output);
- } interpreter_funcs;
- int link_failed;
- struct list_head node; /* list of bytecode runtime in event */
- struct lttng_kernel_ctx *ctx;
-};
-
-/*
- * Objects in a linked-list of enablers, owned by an event.
- */
-struct lttng_enabler_ref {
- struct list_head node; /* enabler ref list */
- struct lttng_enabler *ref; /* backward ref */
-};
-
struct lttng_uprobe_handler {
- union {
- struct lttng_event *event;
- struct lttng_event_notifier *event_notifier;
- } u;
+ struct lttng_kernel_event_common *event;
loff_t offset;
struct uprobe_consumer up_consumer;
struct list_head node;
};
/*
- * lttng_event structure is referred to by the tracing fast path. It must be
- * kept small.
+ * Result of the run_filter() callback.
*/
-struct lttng_event {
- unsigned int id;
- struct lttng_channel *chan;
- int enabled;
- const struct lttng_kernel_event_desc *desc;
- void *filter;
- struct lttng_kernel_ctx *ctx;
- enum lttng_kernel_abi_instrumentation instrumentation;
- union {
- struct lttng_kprobe kprobe;
- struct {
- struct lttng_krp *lttng_krp;
- char *symbol_name;
- } kretprobe;
- struct lttng_uprobe uprobe;
- struct {
- enum lttng_syscall_entryexit entryexit;
- enum lttng_syscall_abi abi;
- struct hlist_node node; /* chain registered syscall event */
- } syscall;
- } u;
- struct list_head list; /* Event list in session */
- unsigned int metadata_dumped:1;
-
- /* Backward references: list of lttng_enabler_ref (ref to enablers) */
- struct list_head enablers_ref_head;
- struct hlist_node hlist; /* session ht of events */
- int registered; /* has reg'd tracepoint probe */
- /* list of struct lttng_bytecode_runtime, sorted by seqnum */
- struct list_head filter_bytecode_runtime_head;
- int has_enablers_without_bytecode;
+enum lttng_kernel_event_filter_result {
+ LTTNG_KERNEL_EVENT_FILTER_ACCEPT = 0,
+ LTTNG_KERNEL_EVENT_FILTER_REJECT = 1,
};
-struct lttng_kernel_notifier_ctx {
- int eval_capture;
-};
+struct lttng_kernel_event_common_private;
-// FIXME: Really similar to lttng_event above. Could those be merged ?
-struct lttng_event_notifier {
- uint64_t user_token;
- uint64_t error_counter_index;
- int enabled;
- int registered; /* has reg'd tracepoint probe */
- const struct lttng_kernel_event_desc *desc;
- void *filter;
- struct list_head list; /* event_notifier list in event_notifier group */
-
- enum lttng_kernel_abi_instrumentation instrumentation;
- union {
- struct lttng_kprobe kprobe;
- struct lttng_uprobe uprobe;
- struct {
- enum lttng_syscall_entryexit entryexit;
- enum lttng_syscall_abi abi;
- struct hlist_node node; /* chain registered syscall event_notifier */
- unsigned int syscall_id;
- } syscall;
-
- } u;
-
- /* Backward references: list of lttng_enabler_ref (ref to enablers) */
- struct list_head enablers_ref_head;
- struct hlist_node hlist; /* session ht of event_notifiers */
- /* list of struct lttng_bytecode_runtime, sorted by seqnum */
- struct list_head filter_bytecode_runtime_head;
- size_t num_captures;
- struct list_head capture_bytecode_runtime_head;
- int has_enablers_without_bytecode;
- int eval_capture; /* Should evaluate capture */
-
- void (*send_notification)(struct lttng_event_notifier *event_notifier,
- struct lttng_probe_ctx *lttng_probe_ctx,
- const char *interpreter_stack_data,
- struct lttng_kernel_notifier_ctx *notif_ctx);
- struct lttng_event_notifier_group *group; /* Weak ref */
+enum lttng_kernel_event_type {
+ LTTNG_KERNEL_EVENT_TYPE_RECORDER = 0,
+ LTTNG_KERNEL_EVENT_TYPE_NOTIFIER = 1,
};
-enum lttng_enabler_format_type {
- LTTNG_ENABLER_FORMAT_STAR_GLOB,
- LTTNG_ENABLER_FORMAT_NAME,
-};
+struct lttng_kernel_event_common {
+ struct lttng_kernel_event_common_private *priv; /* Private event interface */
-/*
- * Enabler field, within whatever object is enabling an event. Target of
- * backward reference.
- */
-struct lttng_enabler {
- enum lttng_enabler_format_type format_type;
+ enum lttng_kernel_event_type type;
+ /* Get child with container_of(). */
- /* head list of struct lttng_bytecode_node */
- struct list_head filter_bytecode_head;
+ int enabled;
+ int eval_filter; /* Need to evaluate filters */
+ int (*run_filter)(const struct lttng_kernel_event_common *event,
+ const char *stack_data,
+ struct lttng_kernel_probe_ctx *probe_ctx,
+ void *filter_ctx);
+};
- struct lttng_kernel_abi_event event_param;
- unsigned int enabled:1;
+struct lttng_kernel_event_recorder_private;
- uint64_t user_token; /* User-provided token. */
-};
+struct lttng_kernel_event_recorder {
+ struct lttng_kernel_event_common parent;
+ struct lttng_kernel_event_recorder_private *priv; /* Private event record interface */
-struct lttng_event_enabler {
- struct lttng_enabler base;
- struct list_head node; /* per-session list of enablers */
struct lttng_channel *chan;
- /*
- * Unused, but kept around to make it explicit that the tracer can do
- * it.
- */
- struct lttng_kernel_ctx *ctx;
};
-struct lttng_event_notifier_enabler {
- struct lttng_enabler base;
- 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_bytecode_node */
- struct list_head capture_bytecode_head;
- uint64_t num_captures;
+struct lttng_kernel_notification_ctx {
+ int eval_capture; /* Capture evaluation available. */
};
+struct lttng_kernel_event_notifier_private;
-static inline
-struct lttng_enabler *lttng_event_enabler_as_enabler(
- struct lttng_event_enabler *event_enabler)
-{
- return &event_enabler->base;
-}
+struct lttng_kernel_event_notifier {
+ struct lttng_kernel_event_common parent;
+ struct lttng_kernel_event_notifier_private *priv; /* Private event notifier interface */
-static inline
-struct lttng_enabler *lttng_event_notifier_enabler_as_enabler(
- struct lttng_event_notifier_enabler *event_notifier_enabler)
-{
- return &event_notifier_enabler->base;
-}
+ int eval_capture; /* Need to evaluate capture */
+ void (*notification_send)(struct lttng_kernel_event_notifier *event_notifier,
+ const char *stack_data,
+ struct lttng_kernel_probe_ctx *probe_ctx,
+ struct lttng_kernel_notification_ctx *notif_ctx);
+};
struct lttng_channel_ops {
struct channel *(*channel_create)(const char *name,
struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
int (*buffer_has_read_closed_stream)(struct channel *chan);
void (*buffer_read_close)(struct lib_ring_buffer *buf);
- int (*event_reserve)(struct lib_ring_buffer_ctx *ctx,
- uint32_t event_id);
+ int (*event_reserve)(struct lib_ring_buffer_ctx *ctx);
void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
void (*event_write)(struct lib_ring_buffer_ctx *ctx, const void *src,
size_t len);
struct lib_ring_buffer *buf; /* Ring buffer for event notifier group. */
wait_queue_head_t read_wait;
struct irq_work wakeup_pending; /* Pending wakeup irq work. */
- struct lttng_event_notifier *sc_unknown; /* for unknown syscalls */
- struct lttng_event_notifier *sc_compat_unknown;
+ struct lttng_kernel_event_notifier *sc_unknown; /* for unknown syscalls */
+ struct lttng_kernel_event_notifier *sc_compat_unknown;
struct lttng_syscall_filter *sc_filter;
struct list_head *lttng_get_probe_list_head(void);
-struct lttng_event_enabler *lttng_event_enabler_create(
- enum lttng_enabler_format_type format_type,
- struct lttng_kernel_abi_event *event_param,
- struct lttng_channel *chan);
-
-int lttng_event_enabler_enable(struct lttng_event_enabler *event_enabler);
-int lttng_event_enabler_disable(struct lttng_event_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);
-
-int lttng_event_notifier_enabler_enable(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
-int lttng_event_notifier_enabler_disable(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
int lttng_fix_pending_events(void);
int lttng_fix_pending_event_notifiers(void);
int lttng_session_active(void);
unsigned int read_timer_interval);
void lttng_metadata_channel_destroy(struct lttng_channel *chan);
-struct lttng_event *lttng_event_create(struct lttng_channel *chan,
+struct lttng_kernel_event_recorder *lttng_kernel_event_recorder_create(struct lttng_channel *chan,
struct lttng_kernel_abi_event *event_param,
- void *filter,
const struct lttng_kernel_event_desc *event_desc,
enum lttng_kernel_abi_instrumentation itype);
-struct lttng_event *_lttng_event_create(struct lttng_channel *chan,
+struct lttng_kernel_event_recorder *_lttng_kernel_event_recorder_create(struct lttng_channel *chan,
struct lttng_kernel_abi_event *event_param,
- void *filter,
const struct lttng_kernel_event_desc *event_desc,
enum lttng_kernel_abi_instrumentation itype);
-struct lttng_event *lttng_event_compat_old_create(struct lttng_channel *chan,
+struct lttng_kernel_event_recorder *lttng_event_compat_old_create(struct lttng_channel *chan,
struct lttng_kernel_abi_old_event *old_event_param,
- void *filter,
const struct lttng_kernel_event_desc *internal_desc);
-struct lttng_event_notifier *lttng_event_notifier_create(
+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,
- void *filter,
enum lttng_kernel_abi_instrumentation itype);
-struct lttng_event_notifier *_lttng_event_notifier_create(
+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,
- void *filter,
enum lttng_kernel_abi_instrumentation itype);
int lttng_channel_enable(struct lttng_channel *channel);
int lttng_channel_disable(struct lttng_channel *channel);
-int lttng_event_enable(struct lttng_event *event);
-int lttng_event_disable(struct lttng_event *event);
-
-int lttng_event_notifier_enable(struct lttng_event_notifier *event_notifier);
-int lttng_event_notifier_disable(struct lttng_event_notifier *event_notifier);
+int lttng_event_enable(struct lttng_kernel_event_common *event);
+int lttng_event_disable(struct lttng_kernel_event_common *event);
void lttng_transport_register(struct lttng_transport *transport);
void lttng_transport_unregister(struct lttng_transport *transport);
void lttng_clock_ref(void);
void lttng_clock_unref(void);
-int lttng_desc_match_enabler(const struct lttng_kernel_event_desc *desc,
- struct lttng_enabler *enabler);
-
-#if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
-int lttng_syscalls_register_event(struct lttng_event_enabler *event_enabler, void *filter);
-int lttng_syscalls_unregister_channel(struct lttng_channel *chan);
-int lttng_syscalls_destroy_event(struct lttng_channel *chan);
-int lttng_syscall_filter_enable_event(
- struct lttng_channel *chan,
- struct lttng_event *event);
-int lttng_syscall_filter_disable_event(
- struct lttng_channel *chan,
- struct lttng_event *event);
-
-long lttng_channel_syscall_mask(struct lttng_channel *channel,
- struct lttng_kernel_abi_syscall_mask __user *usyscall_mask);
-
-int lttng_syscalls_register_event_notifier(
- struct lttng_event_notifier_enabler *event_notifier_enabler,
- void *filter);
-int lttng_syscals_create_matching_event_notifiers(
- struct lttng_event_notifier_enabler *event_notifier_enabler, void *filter);
-int lttng_syscalls_unregister_event_notifier_group(struct lttng_event_notifier_group *group);
-int lttng_syscall_filter_enable_event_notifier(struct lttng_event_notifier *event_notifier);
-int lttng_syscall_filter_disable_event_notifier(struct lttng_event_notifier *event_notifier);
-#else
-static inline int lttng_syscalls_register_event(
- struct lttng_event_enabler *event_enabler, void *filter)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscalls_unregister_channel(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_event(struct lttng_channel *chan,
- struct lttng_event *event);
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscall_filter_disable_event(struct lttng_channel *chan,
- struct lttng_event *event);
-{
- return -ENOSYS;
-}
-
-static inline long lttng_channel_syscall_mask(struct lttng_channel *channel,
- struct lttng_kernel_syscall_mask __user *usyscall_mask)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscalls_register_event_notifier(
- struct lttng_event_notifier_group *group, void *filter)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscalls_unregister_event_notifier_group(
- struct lttng_event_notifier_group *group)
-{
- return 0;
-}
-
-static inline int lttng_syscall_filter_enable_event_notifier(
- struct lttng_event_notifier_group *group,
- const char *name)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscall_filter_disable_event_notifier(
- struct lttng_event_notifier_group *group,
- const char *name)
-{
- return -ENOSYS;
-}
-
-#endif
-
-int lttng_event_enabler_attach_filter_bytecode(struct lttng_event_enabler *event_enabler,
- struct lttng_kernel_abi_filter_bytecode __user *bytecode);
-int lttng_event_notifier_enabler_attach_filter_bytecode(
- struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_kernel_abi_filter_bytecode __user *bytecode);
-int lttng_event_notifier_enabler_attach_capture_bytecode(
- struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_kernel_abi_capture_bytecode __user *bytecode);
-
-void lttng_enabler_link_bytecode(const struct lttng_kernel_event_desc *event_desc,
- struct lttng_kernel_ctx *ctx,
- struct list_head *instance_bytecode_runtime_head,
- struct list_head *enabler_bytecode_runtime_head);
-void lttng_free_event_filter_runtime(struct lttng_event *event);
-void lttng_free_event_notifier_filter_runtime(struct lttng_event_notifier *event_notifier);
+void lttng_free_event_filter_runtime(struct lttng_kernel_event_common *event);
int lttng_probes_init(void);
-extern struct lttng_kernel_ctx *lttng_static_ctx;
-
-int lttng_context_init(void);
-void lttng_context_exit(void);
-int lttng_kernel_context_append(struct lttng_kernel_ctx **ctx_p,
- const struct lttng_kernel_ctx_field *f);
-void lttng_kernel_context_remove_last(struct lttng_kernel_ctx **ctx_p);
-struct lttng_kernel_ctx_field *lttng_kernel_get_context_field_from_index(struct lttng_kernel_ctx *ctx,
- size_t index);
-int lttng_kernel_find_context(struct lttng_kernel_ctx *ctx, const char *name);
-int lttng_kernel_get_context_index(struct lttng_kernel_ctx *ctx, const char *name);
-void lttng_kernel_destroy_context(struct lttng_kernel_ctx *ctx);
-int lttng_add_pid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_cpu_id_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_procname_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_prio_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_nice_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vpid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_tid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vtid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_ppid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vppid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_hostname_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_interruptible_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_need_reschedule_to_ctx(struct lttng_kernel_ctx **ctx);
-#if defined(CONFIG_PREEMPT_RT_FULL) || defined(CONFIG_PREEMPT)
-int lttng_add_preemptible_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_preemptible_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-#ifdef CONFIG_PREEMPT_RT_FULL
-int lttng_add_migratable_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_migratable_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-int lttng_add_callstack_to_ctx(struct lttng_kernel_ctx **ctx, int type);
-
-#if defined(CONFIG_CGROUPS) && \
- ((LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,6,0)) || \
- LTTNG_UBUNTU_KERNEL_RANGE(4,4,0,0, 4,5,0,0))
-int lttng_add_cgroup_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_cgroup_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_IPC_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_ipc_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_ipc_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if !defined(LTTNG_MNT_NS_MISSING_HEADER) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_mnt_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_mnt_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_NET_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_net_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_net_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_PID_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_pid_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_pid_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_USER_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_user_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_user_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_UTS_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_uts_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_uts_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_TIME_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0))
-int lttng_add_time_ns_to_ctx(struct lttng_kernel_ctx **ctx);
-#else
-static inline
-int lttng_add_time_ns_to_ctx(struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-int lttng_add_uid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_euid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_suid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_gid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_egid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_sgid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vuid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_veuid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vsuid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vgid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vegid_to_ctx(struct lttng_kernel_ctx **ctx);
-int lttng_add_vsgid_to_ctx(struct lttng_kernel_ctx **ctx);
-
-#if defined(CONFIG_PERF_EVENTS)
-int lttng_add_perf_counter_to_ctx(uint32_t type,
- uint64_t config,
- const char *name,
- struct lttng_kernel_ctx **ctx);
-int lttng_cpuhp_perf_counter_online(unsigned int cpu,
- struct lttng_cpuhp_node *node);
-int lttng_cpuhp_perf_counter_dead(unsigned int cpu,
- struct lttng_cpuhp_node *node);
-#else
-static inline
-int lttng_add_perf_counter_to_ctx(uint32_t type,
- uint64_t config,
- const char *name,
- struct lttng_kernel_ctx **ctx)
-{
- return -ENOSYS;
-}
-static inline
-int lttng_cpuhp_perf_counter_online(unsigned int cpu,
- struct lttng_cpuhp_node *node)
-{
- return 0;
-}
-static inline
-int lttng_cpuhp_perf_counter_dead(unsigned int cpu,
- struct lttng_cpuhp_node *node)
-{
- return 0;
-}
-#endif
-
int lttng_logger_init(void);
void lttng_logger_exit(void);
const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_event *event);
-void lttng_kprobes_unregister_event(struct lttng_event *event);
-void lttng_kprobes_destroy_event_private(struct lttng_event *event);
+ struct lttng_kernel_event_recorder *event);
+void lttng_kprobes_unregister_event(struct lttng_kernel_event_recorder *event);
+void lttng_kprobes_destroy_event_private(struct lttng_kernel_event_recorder *event);
int lttng_kprobes_register_event_notifier(const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_event_notifier *event_notifier);
-void lttng_kprobes_unregister_event_notifier(struct lttng_event_notifier *event_notifier);
-void lttng_kprobes_destroy_event_notifier_private(struct lttng_event_notifier *event_notifier);
+ struct lttng_kernel_event_notifier *event_notifier);
+void lttng_kprobes_unregister_event_notifier(struct lttng_kernel_event_notifier *event_notifier);
+void lttng_kprobes_destroy_event_notifier_private(struct lttng_kernel_event_notifier *event_notifier);
#else
static inline
int lttng_kprobes_register_event(const char *name,
const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_event *event)
+ struct lttng_kernel_event_recorder *event)
{
return -ENOSYS;
}
static inline
-void lttng_kprobes_unregister_event(struct lttng_event *event)
+void lttng_kprobes_unregister_event(struct lttng_kernel_event_recorder *event)
{
}
static inline
-void lttng_kprobes_destroy_event_private(struct lttng_event *event)
+void lttng_kprobes_destroy_event_private(struct lttng_kernel_event_recorder *event)
{
}
int lttng_kprobes_register_event_notifier(const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_event_notifier *event_notifier)
+ struct lttng_kernel_event_notifier *event_notifier)
{
return -ENOSYS;
}
static inline
-void lttng_kprobes_unregister_event_notifier(struct lttng_event_notifier *event_notifier)
+void lttng_kprobes_unregister_event_notifier(struct lttng_kernel_event_notifier *event_notifier)
{
}
static inline
-void lttng_kprobes_destroy_event_notifier_private(struct lttng_event_notifier *event_notifier)
+void lttng_kprobes_destroy_event_notifier_private(struct lttng_kernel_event_notifier *event_notifier)
{
}
#endif
-int lttng_event_add_callsite(struct lttng_event *event,
- struct lttng_kernel_abi_event_callsite __user *callsite);
-
-int lttng_event_notifier_add_callsite(struct lttng_event_notifier *event_notifier,
+int lttng_event_add_callsite(struct lttng_kernel_event_common *event,
struct lttng_kernel_abi_event_callsite __user *callsite);
#ifdef CONFIG_UPROBES
int lttng_uprobes_register_event(const char *name,
- int fd, struct lttng_event *event);
-int lttng_uprobes_event_add_callsite(struct lttng_event *event,
+ int fd, struct lttng_kernel_event_recorder *event);
+int lttng_uprobes_event_add_callsite(struct lttng_kernel_event_common *event,
struct lttng_kernel_abi_event_callsite __user *callsite);
-void lttng_uprobes_unregister_event(struct lttng_event *event);
-void lttng_uprobes_destroy_event_private(struct lttng_event *event);
+void lttng_uprobes_unregister_event(struct lttng_kernel_event_recorder *event);
+void lttng_uprobes_destroy_event_private(struct lttng_kernel_event_recorder *event);
int lttng_uprobes_register_event_notifier(const char *name,
- int fd, struct lttng_event_notifier *event_notifier);
-int lttng_uprobes_event_notifier_add_callsite(struct lttng_event_notifier *event_notifier,
- struct lttng_kernel_abi_event_callsite __user *callsite);
-void lttng_uprobes_unregister_event_notifier(struct lttng_event_notifier *event_notifier);
-void lttng_uprobes_destroy_event_notifier_private(struct lttng_event_notifier *event_notifier);
+ int fd, struct lttng_kernel_event_notifier *event_notifier);
+void lttng_uprobes_unregister_event_notifier(struct lttng_kernel_event_notifier *event_notifier);
+void lttng_uprobes_destroy_event_notifier_private(struct lttng_kernel_event_notifier *event_notifier);
#else
static inline
int lttng_uprobes_register_event(const char *name,
- int fd, struct lttng_event *event)
+ int fd, struct lttng_kernel_event_recorder *event)
{
return -ENOSYS;
}
static inline
-int lttng_uprobes_event_add_callsite(struct lttng_event *event,
+int lttng_uprobes_event_add_callsite(struct lttng_kernel_event_common *event,
struct lttng_kernel_abi_event_callsite __user *callsite)
{
return -ENOSYS;
}
static inline
-void lttng_uprobes_unregister_event(struct lttng_event *event)
+void lttng_uprobes_unregister_event(struct lttng_kernel_event_recorder *event)
{
}
static inline
-void lttng_uprobes_destroy_event_private(struct lttng_event *event)
+void lttng_uprobes_destroy_event_private(struct lttng_kernel_event_recorder *event)
{
}
static inline
int lttng_uprobes_register_event_notifier(const char *name,
- int fd, struct lttng_event_notifier *event_notifier)
+ int fd, struct lttng_kernel_event_notifier *event_notifier)
{
return -ENOSYS;
}
static inline
-int lttng_uprobes_event_notifier_add_callsite(struct lttng_event_notifier *event_notifier,
- struct lttng_kernel_abi_event_callsite __user *callsite)
+void lttng_uprobes_unregister_event_notifier(struct lttng_kernel_event_notifier *event_notifier)
{
- return -ENOSYS;
}
static inline
-void lttng_uprobes_unregister_event_notifier(struct lttng_event_notifier *event_notifier)
-{
-}
-
-static inline
-void lttng_uprobes_destroy_event_notifier_private(struct lttng_event_notifier *event_notifier)
+void lttng_uprobes_destroy_event_notifier_private(struct lttng_kernel_event_notifier *event_notifier)
{
}
#endif
const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_event *event_entry,
- struct lttng_event *event_exit);
-void lttng_kretprobes_unregister(struct lttng_event *event);
-void lttng_kretprobes_destroy_private(struct lttng_event *event);
-int lttng_kretprobes_event_enable_state(struct lttng_event *event,
+ 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);
+int lttng_kretprobes_event_enable_state(struct lttng_kernel_event_common *event,
int enable);
#else
static inline
const char *symbol_name,
uint64_t offset,
uint64_t addr,
- struct lttng_event *event_entry,
- struct lttng_event *event_exit)
+ struct lttng_kernel_event_recorder *event_entry,
+ struct lttng_kernel_event_recorder *event_exit)
{
return -ENOSYS;
}
static inline
-void lttng_kretprobes_unregister(struct lttng_event *event)
+void lttng_kretprobes_unregister(struct lttng_kernel_event_recorder *event)
{
}
static inline
-void lttng_kretprobes_destroy_private(struct lttng_event *event)
+void lttng_kretprobes_destroy_private(struct lttng_kernel_event_recorder *event)
{
}
static inline
-int lttng_kretprobes_event_enable_state(struct lttng_event *event,
+int lttng_kretprobes_event_enable_state(struct lttng_kernel_event_common *event,
int enable)
{
return -ENOSYS;
extern const struct file_operations lttng_tracepoint_list_fops;
extern const struct file_operations lttng_syscall_list_fops;
-#define TRACEPOINT_HAS_DATA_ARG
-
#endif /* _LTTNG_EVENTS_H */
projects / lttng-modules.git / blobdiff