projects / lttngtop.git / blame
| Commit | Line | Data |
|---|---|---|
| b1acd2b3 JD |
1 | /* |
| 2 | * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca> | |
| 3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or | |
| 6 | * modify it under the terms of the GNU General Public License | |
| 7 | * as published by the Free Software Foundation; only version 2 | |
| 8 | * of the License. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef _LTTNG_KERNEL_CTL_H | |
| 21 | #define _LTTNG_KERNEL_CTL_H | |
| 22 | ||
| 23 | #include <lttng/lttng.h> | |
| 24 | #include <common/lttng-kernel.h> | |
| 25 | ||
| 26 | int kernctl_create_session(int fd); | |
| 27 | int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops); | |
| 28 | int kernctl_create_channel(int fd, struct lttng_channel_attr *chops); | |
| 29 | int kernctl_create_stream(int fd); | |
| 30 | int kernctl_create_event(int fd, struct lttng_kernel_event *ev); | |
| 31 | int kernctl_add_context(int fd, struct lttng_kernel_context *ctx); | |
| 32 | ||
| 33 | int kernctl_enable(int fd); | |
| 34 | int kernctl_disable(int fd); | |
| 35 | int kernctl_start_session(int fd); | |
| 36 | int kernctl_stop_session(int fd); | |
| 37 | ||
| 38 | int kernctl_tracepoint_list(int fd); | |
| 39 | int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v); | |
| 40 | int kernctl_wait_quiescent(int fd); | |
| 41 | int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); | |
| 42 | ||
| 43 | ||
| 44 | /* Buffer operations */ | |
| 45 | ||
| 46 | /* For mmap mode, readable without "get" operation */ | |
| 47 | int kernctl_get_mmap_len(int fd, unsigned long *len); | |
| 48 | int kernctl_get_max_subbuf_size(int fd, unsigned long *len); | |
| 49 | ||
| 50 | /* | |
| 51 | * For mmap mode, operate on the current packet (between get/put or | |
| 52 | * get_next/put_next). | |
| 53 | */ | |
| 54 | int kernctl_get_mmap_read_offset(int fd, unsigned long *len); | |
| 55 | int kernctl_get_subbuf_size(int fd, unsigned long *len); | |
| 56 | int kernctl_get_padded_subbuf_size(int fd, unsigned long *len); | |
| 57 | ||
| 58 | int kernctl_get_next_subbuf(int fd); | |
| 59 | int kernctl_put_next_subbuf(int fd); | |
| 60 | ||
| 61 | /* snapshot */ | |
| 62 | int kernctl_snapshot(int fd); | |
| 63 | int kernctl_snapshot_get_consumed(int fd, unsigned long *pos); | |
| 64 | int kernctl_snapshot_get_produced(int fd, unsigned long *pos); | |
| 65 | int kernctl_get_subbuf(int fd, unsigned long *pos); | |
| 66 | int kernctl_put_subbuf(int fd); | |
| 67 | ||
| 68 | int kernctl_buffer_flush(int fd); | |
| 69 | ||
| 70 | #endif /* _LTTNG_KERNEL_CTL_H */ |