| 1 | /* |
| 2 | * lttctl.h |
| 3 | * |
| 4 | * Linux Trace Toolkit Control Library Header File |
| 5 | * |
| 6 | * Controls the ltt-control kernel module through debugfs. |
| 7 | * |
| 8 | * Copyright (c) 2005-2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 9 | * |
| 10 | * This library is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU Lesser General Public |
| 12 | * License as published by the Free Software Foundation; either |
| 13 | * version 2.1 of the License, or (at your option) any later version. |
| 14 | * |
| 15 | * This library is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * Lesser General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU Lesser General Public |
| 21 | * License along with this library; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 23 | */ |
| 24 | |
| 25 | #ifndef _LTTCTL_H |
| 26 | #define _LTTCTL_H |
| 27 | |
| 28 | int lttctl_init(void); |
| 29 | int lttctl_destroy(void); |
| 30 | int lttctl_setup_trace(const char *name); |
| 31 | int lttctl_destroy_trace(const char *name); |
| 32 | int lttctl_alloc_trace(const char *name); |
| 33 | int lttctl_start(const char *name); |
| 34 | int lttctl_pause(const char *name); |
| 35 | int lttctl_set_trans(const char *name, const char *trans); |
| 36 | int lttctl_set_channel_enable(const char *name, const char *channel, |
| 37 | int enable); |
| 38 | int lttctl_set_channel_overwrite(const char *name, const char *channel, |
| 39 | int overwrite); |
| 40 | int lttctl_set_channel_subbuf_num(const char *name, const char *channel, |
| 41 | unsigned subbuf_num); |
| 42 | int lttctl_set_channel_subbuf_size(const char *name, const char *channel, |
| 43 | unsigned subbuf_size); |
| 44 | int lttctl_set_channel_switch_timer(const char *name, const char *channel, |
| 45 | unsigned switch_timer); |
| 46 | |
| 47 | /* Helper functions */ |
| 48 | int getdebugfsmntdir(char *mntdir); |
| 49 | |
| 50 | #endif /*_LTTCTL_H */ |