projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 20fe2104 DG |
1 | /* |
| 2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
| 3 | * | |
| d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License, version 2 only, | |
| 6 | * as published by the Free Software Foundation. | |
| 20fe2104 DG |
7 | * |
| 8 | * This program is distributed in the hope that it will be useful, | |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| d14d33bf | 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20fe2104 DG |
11 | * GNU General Public License for more details. |
| 12 | * | |
| d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20fe2104 DG |
16 | */ |
| 17 | ||
| 18 | #ifndef _LTT_KERNEL_CTL_H | |
| 19 | #define _LTT_KERNEL_CTL_H | |
| 20 | ||
| 8c0faa1d | 21 | #include "session.h" |
| 6dc3064a | 22 | #include "snapshot.h" |
| 62499ad6 | 23 | #include "trace-kernel.h" |
| f34daff7 | 24 | |
| 2ef84c95 DG |
25 | /* |
| 26 | * Default size for the event list when kernel_list_events is called. This size | |
| 050349bb DG |
27 | * value is based on the initial LTTng 2.0 version set of tracepoints. |
| 28 | * | |
| 29 | * This is NOT an upper bound because if the real event list size is bigger, | |
| 30 | * dynamic reallocation is performed. | |
| 2ef84c95 | 31 | */ |
| 6725fe19 | 32 | #define KERNEL_EVENT_INIT_LIST_SIZE 64 |
| 2ef84c95 | 33 | |
| d65106b1 DG |
34 | int kernel_add_channel_context(struct ltt_kernel_channel *chan, |
| 35 | struct lttng_kernel_context *ctx); | |
| 8c0faa1d | 36 | int kernel_create_session(struct ltt_session *session, int tracer_fd); |
| b082db07 | 37 | int kernel_create_channel(struct ltt_kernel_session *session, |
| fdd9eb17 | 38 | struct lttng_channel *chan); |
| 19e70852 | 39 | int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel); |
| 26cc6b4e | 40 | int kernel_disable_channel(struct ltt_kernel_channel *chan); |
| 19e70852 DG |
41 | int kernel_disable_event(struct ltt_kernel_event *event); |
| 42 | int kernel_enable_event(struct ltt_kernel_event *event); | |
| d36b8583 | 43 | int kernel_enable_channel(struct ltt_kernel_channel *chan); |
| a4b92340 | 44 | int kernel_open_metadata(struct ltt_kernel_session *session); |
| f3ed775e DG |
45 | int kernel_open_metadata_stream(struct ltt_kernel_session *session); |
| 46 | int kernel_open_channel_stream(struct ltt_kernel_channel *channel); | |
| 47 | int kernel_flush_buffer(struct ltt_kernel_channel *channel); | |
| 48 | int kernel_metadata_flush_buffer(int fd); | |
| 8c0faa1d DG |
49 | int kernel_start_session(struct ltt_kernel_session *session); |
| 50 | int kernel_stop_session(struct ltt_kernel_session *session); | |
| 9f19cc17 | 51 | ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list); |
| f3ed775e | 52 | void kernel_wait_quiescent(int fd); |
| d0254c7c | 53 | int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); |
| 096102bd | 54 | int kernel_validate_version(int tracer_fd); |
| 2f77fc4b | 55 | void kernel_destroy_session(struct ltt_kernel_session *ksess); |
| fb5f35b6 | 56 | void kernel_destroy_channel(struct ltt_kernel_channel *kchan); |
| 6dc3064a | 57 | int kernel_snapshot_record(struct ltt_kernel_session *ksess, |
| 5c786ded | 58 | struct snapshot_output *output, int wait, unsigned int nb_streams); |
| 20fe2104 | 59 | |
| 335a95b7 MD |
60 | int init_kernel_workarounds(void); |
| 61 | ||
| 20fe2104 | 62 | #endif /* _LTT_KERNEL_CTL_H */ |