ltt-sessiond/ltt-sessiond.h

   1 /* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU General Public License
   5  * as published by the Free Software Foundation; either version 2
   6  * of the License, or (at your option) any later version.
   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
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  16  */
  17
  18 #ifndef _LTT_SESSIOND_H
  19 #define _LTT_SESSIOND_H
  20
  21 #define DEFAULT_HOME_DIR                        "/tmp"
  22 #define DEFAULT_UST_SOCK_DIR            "/tmp/ust-app-socks"
  23 #define DEFAULT_GLOBAL_APPS_PIPE        "/tmp/ust-app-socks/global"
  24
  25 /*
  26  * Kernel tracer defines
  27  */
  28 #define DEFAULT_KERNEL_TRACER_PATH                      "/mnt/debugfs/lttng"
  29 #define DEFAULT_KERNEL_OVERWRITE            0
  30 #define DEFAULT_KERNEL_SUBBUF_SIZE          512         /* bytes */
  31 #define DEFAULT_KERNEL_SUBBUF_NUM           2           /* Must always be a power of 2 */
  32 #define DEFAULT_KERNEL_SWITCH_TIMER         0           /* usec */
  33 #define DEFAULT_KERNEL_READ_TIMER           10000       /* usec */
  34
  35 extern const char default_home_dir[],
  36         default_tracing_group[],
  37         default_ust_sock_dir[],
  38         default_global_apps_pipe[];
  39
  40 /*
  41  * This contains extra data needed for processing a command received by the
  42  * session daemon from the lttng client.
  43  */
  44 struct command_ctx {
  45         int ust_sock;
  46         unsigned int lttng_msg_size;
  47         struct ltt_session *session;
  48         struct lttcomm_lttng_msg *llm;
  49         struct lttcomm_session_msg *lsm;
  50 };
  51
  52 #endif /* _LTT_SESSIOND_H */