X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fkernel.h;h=cf91cab1be8535749ec982df1bb7640db101b84b;hp=0ef083073f32cb7c2baec4e99b3e1074e3a984e9;hb=55c9e7cac24318259d4f2549c97f7577b7b52db4;hpb=d14d33bf091e72b23b1f90ea18a0a01bed098b76 diff --git a/src/bin/lttng-sessiond/kernel.h b/src/bin/lttng-sessiond/kernel.h index 0ef083073..cf91cab1b 100644 --- a/src/bin/lttng-sessiond/kernel.h +++ b/src/bin/lttng-sessiond/kernel.h @@ -19,6 +19,7 @@ #define _LTT_KERNEL_CTL_H #include "session.h" +#include "snapshot.h" #include "trace-kernel.h" /* @@ -29,31 +30,58 @@ * dynamic reallocation is performed. */ #define KERNEL_EVENT_INIT_LIST_SIZE 64 +#define KERNEL_TRACKER_IDS_INIT_LIST_SIZE 64 int kernel_add_channel_context(struct ltt_kernel_channel *chan, - struct lttng_kernel_context *ctx); -int kernel_add_event_context(struct ltt_kernel_event *event, - struct lttng_kernel_context *ctx); -int kernel_create_session(struct ltt_session *session, int tracer_fd); + struct ltt_kernel_context *ctx); +int kernel_create_session(struct ltt_session *session); int kernel_create_channel(struct ltt_kernel_session *session, - struct lttng_channel *chan, char *path); -int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel); + struct lttng_channel *chan); +int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel, + char *filter_expression, struct lttng_filter_bytecode *filter); int kernel_disable_channel(struct ltt_kernel_channel *chan); int kernel_disable_event(struct ltt_kernel_event *event); int kernel_enable_event(struct ltt_kernel_event *event); int kernel_enable_channel(struct ltt_kernel_channel *chan); -int kernel_open_metadata(struct ltt_kernel_session *session, char *path); +int kernel_track_id(enum lttng_tracker_type tracker_type, + struct ltt_kernel_session *session, + const struct lttng_tracker_id *id); +int kernel_untrack_id(enum lttng_tracker_type tracker_type, + struct ltt_kernel_session *session, + const struct lttng_tracker_id *id); +int kernel_open_metadata(struct ltt_kernel_session *session); int kernel_open_metadata_stream(struct ltt_kernel_session *session); int kernel_open_channel_stream(struct ltt_kernel_channel *channel); int kernel_flush_buffer(struct ltt_kernel_channel *channel); int kernel_metadata_flush_buffer(int fd); int kernel_start_session(struct ltt_kernel_session *session); int kernel_stop_session(struct ltt_kernel_session *session); -ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list); -void kernel_wait_quiescent(int fd); -int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); -int kernel_validate_version(int tracer_fd); +ssize_t kernel_list_events(struct lttng_event **event_list); +void kernel_wait_quiescent(void); +int kernel_validate_version(struct lttng_kernel_tracer_version *kernel_tracer_version, + struct lttng_kernel_tracer_abi_version *kernel_tracer_abi_version); +void kernel_destroy_session(struct ltt_kernel_session *ksess); +void kernel_free_session(struct ltt_kernel_session *ksess); +void kernel_destroy_channel(struct ltt_kernel_channel *kchan); +enum lttng_error_code kernel_snapshot_record( + struct ltt_kernel_session *ksess, + const struct consumer_output *output, int wait, + uint64_t nb_packets_per_stream); +int kernel_syscall_mask(int chan_fd, char **syscall_mask, uint32_t *nr_bits); +enum lttng_error_code kernel_rotate_session(struct ltt_session *session); +enum lttng_error_code kernel_clear_session(struct ltt_session *session); int init_kernel_workarounds(void); +ssize_t kernel_list_tracker_ids(enum lttng_tracker_type tracker_type, + struct ltt_kernel_session *session, + struct lttng_tracker_id **_ids); +int kernel_supports_ring_buffer_snapshot_sample_positions(void); +int kernel_supports_ring_buffer_packet_sequence_number(void); +int init_kernel_tracer(void); +void cleanup_kernel_tracer(void); +bool kernel_tracer_is_initialized(void); + +enum lttng_error_code kernel_create_channel_subdirectories( + const struct ltt_kernel_session *ksess); #endif /* _LTT_KERNEL_CTL_H */