X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=libkernelctl%2Flibkernelctl.h;fp=libkernelctl%2Flibkernelctl.h;h=783f1258d86a273f6f1fb87d6bfb9f60bb8f3b4f;hp=026f58d21df89de12faf9b552cd6672d4a7cba47;hb=964ccb604969040d317340d83706d6a6a06d3b3a;hpb=92f34f1f753b8199e27272c414e166dcb9a8a0fd diff --git a/libkernelctl/libkernelctl.h b/libkernelctl/libkernelctl.h index 026f58d21..783f1258d 100644 --- a/libkernelctl/libkernelctl.h +++ b/libkernelctl/libkernelctl.h @@ -24,32 +24,48 @@ #include "lttng-kernel.h" -int kernctl_add_context(int fd, struct lttng_kernel_context *ctx); -int kernctl_buffer_flush(int fd); +int kernctl_create_session(int fd); +int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops); int kernctl_create_channel(int fd, struct lttng_channel_attr *chops); +int kernctl_create_stream(int fd); int kernctl_create_event(int fd, struct lttng_kernel_event *ev); +int kernctl_add_context(int fd, struct lttng_kernel_context *ctx); + int kernctl_enable(int fd); int kernctl_disable(int fd); -int kernctl_create_session(int fd); -int kernctl_create_stream(int fd); -int kernctl_get_max_subbuf_size(int fd, unsigned long *len); -int kernctl_get_mmap_len(int fd, unsigned long *len); -int kernctl_get_mmap_read_offset(int fd, unsigned long *len); -int kernctl_get_next_subbuf(int fd); -int kernctl_get_padded_subbuf_size(int fd, unsigned long *len); -int kernctl_get_subbuf(int fd, unsigned long *len); -int kernctl_get_subbuf_size(int fd, unsigned long *len); -int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops); -int kernctl_put_next_subbuf(int fd); -int kernctl_put_subbuf(int fd); -int kernctl_snapshot(int fd); -int kernctl_snapshot_get_consumed(int fd, unsigned long *len); -int kernctl_snapshot_get_produced(int fd, unsigned long *len); int kernctl_start_session(int fd); int kernctl_stop_session(int fd); + int kernctl_tracepoint_list(int fd); int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v); int kernctl_wait_quiescent(int fd); int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); + +/* Buffer operations */ + +/* For mmap mode, readable without "get" operation */ +int kernctl_get_mmap_len(int fd, unsigned long *len); +int kernctl_get_max_subbuf_size(int fd, unsigned long *len); + +/* + * For mmap mode, operate on the current packet (between get/put or + * get_next/put_next). + */ +int kernctl_get_mmap_read_offset(int fd, unsigned long *len); +int kernctl_get_subbuf_size(int fd, unsigned long *len); +int kernctl_get_padded_subbuf_size(int fd, unsigned long *len); + +int kernctl_get_next_subbuf(int fd); +int kernctl_put_next_subbuf(int fd); + +/* snapshot */ +int kernctl_snapshot(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); + #endif /* _LTT_LIBKERNELCTL_H */