X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.h;h=884929ac17753a5a90a429c56cd63d6534c1c37a;hp=7c5f8bebefb55b2156b7214b9ef59476aef927a6;hb=8ff4109e3e6089d04c018a10c96c8498f893fdfb;hpb=d3e2ba59faddb31870e2ce29b6a881f7ad5ad883 diff --git a/src/common/kernel-ctl/kernel-ctl.h b/src/common/kernel-ctl/kernel-ctl.h index 7c5f8bebe..884929ac1 100644 --- a/src/common/kernel-ctl/kernel-ctl.h +++ b/src/common/kernel-ctl/kernel-ctl.h @@ -22,6 +22,7 @@ #include #include #include +#include /* for struct lttng_filter_bytecode */ int kernctl_create_session(int fd); int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops); @@ -35,11 +36,38 @@ int kernctl_disable(int fd); int kernctl_start_session(int fd); int kernctl_stop_session(int fd); +/* Apply on event FD */ +int kernctl_filter(int fd, struct lttng_filter_bytecode *filter); +int kernctl_add_callsite(int fd, struct lttng_kernel_event_callsite *callsite); + int kernctl_tracepoint_list(int fd); +int kernctl_syscall_list(int fd); int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v); +int kernctl_tracer_abi_version(int fd, struct lttng_kernel_tracer_abi_version *v); int kernctl_wait_quiescent(int fd); -int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); +/* + * kernctl_syscall_mask - Get syscall mask associated to a channel FD. + * + * The parameter @syscall_mask should initially be either NULL or point + * to memory allocated with malloc(3) or realloc(3). When the function + * returns, it will point to a memory area of the size required for the + * bitmask (using realloc(3) to resize the memory). + * + * It returns 0 if OK, -1 on error. In all cases (error and OK), + * @syscall_mask should be freed by the caller with free(3). + */ +int kernctl_syscall_mask(int fd, char **syscall_mask, + uint32_t *nr_bits); + +/* Process ID tracking can be applied to session FD */ +int kernctl_track_pid(int fd, int pid); +int kernctl_untrack_pid(int fd, int pid); +int kernctl_list_tracker_pids(int fd); + +int kernctl_session_regenerate_metadata(int fd); +int kernctl_session_regenerate_statedump(int fd); +int kernctl_session_set_name(int fd, const char *name); /* Buffer operations */ @@ -60,12 +88,16 @@ int kernctl_put_next_subbuf(int fd); /* snapshot */ int kernctl_snapshot(int fd); +int kernctl_snapshot_sample_positions(int fd); int kernctl_snapshot_get_consumed(int fd, unsigned long *pos); int kernctl_snapshot_get_produced(int fd, unsigned long *pos); int kernctl_get_subbuf(int fd, unsigned long *pos); int kernctl_put_subbuf(int fd); int kernctl_buffer_flush(int fd); +int kernctl_buffer_flush_empty(int fd); +int kernctl_get_metadata_version(int fd, uint64_t *version); +int kernctl_metadata_cache_dump(int fd); /* index */ int kernctl_get_timestamp_begin(int fd, uint64_t *timestamp_begin); @@ -75,5 +107,7 @@ int kernctl_get_content_size(int fd, uint64_t *content_size); int kernctl_get_packet_size(int fd, uint64_t *packet_size); int kernctl_get_stream_id(int fd, uint64_t *stream_id); int kernctl_get_current_timestamp(int fd, uint64_t *ts); +int kernctl_get_sequence_number(int fd, uint64_t *seq); +int kernctl_get_instance_id(int fd, uint64_t *seq); #endif /* _LTTNG_KERNEL_CTL_H */