X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=libkernelctl%2Flibkernelctl.h;h=783f1258d86a273f6f1fb87d6bfb9f60bb8f3b4f;hb=ca3c5ac0cf100d80352a1a81936b5adc47942f35;hp=eb0c7800efcad3c10949dcf70247f1149681d537;hpb=d4a1283e471c152cedf6cb5ebcc74d509009145d;p=lttng-tools.git diff --git a/libkernelctl/libkernelctl.h b/libkernelctl/libkernelctl.h index eb0c7800e..783f1258d 100644 --- a/libkernelctl/libkernelctl.h +++ b/libkernelctl/libkernelctl.h @@ -4,8 +4,8 @@ * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. + * as published by the Free Software Foundation; only version 2 + * of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -20,26 +20,52 @@ #ifndef _LTT_LIBKERNELCTL_H #define _LTT_LIBKERNELCTL_H +#include + #include "lttng-kernel.h" -int kernctl_create_channel(int fd, struct lttng_channel *chops); -int kernctl_create_event(int fd, struct lttng_event *ev); 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_get_max_subbuf_size(int fd, unsigned long *len); +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_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_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 *chops); +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); -int kernctl_put_subbuf(int fd); + +/* snapshot */ 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_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 */