ltt-sessiond/ltt-sessiond.h

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; only version 2
   7  * of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17  */
  18
  19 #ifndef _LTT_SESSIOND_H
  20 #define _LTT_SESSIOND_H
  21
  22 #define DEFAULT_HOME_DIR                        "/tmp"
  23 #define DEFAULT_UST_SOCK_DIR            DEFAULT_HOME_DIR "/ust-app-socks"
  24 #define DEFAULT_GLOBAL_APPS_PIPE        DEFAULT_UST_SOCK_DIR "/global"
  25 #define DEFAULT_TRACE_OUTPUT        DEFAULT_HOME_DIR "/lttng"
  26
  27 /* LTTng kernel tracer modules list */
  28 const char *kernel_modules_list[] = {
  29         "lib-ring-buffer",
  30         "ltt-relay",
  31         "ltt-ring-buffer-client-discard",
  32         "ltt-ring-buffer-client-overwrite",
  33         "ltt-ring-buffer-metadata-client",
  34         "ltt-ring-buffer-client-mmap-discard",
  35         "ltt-ring-buffer-client-mmap-overwrite",
  36         "ltt-ring-buffer-metadata-mmap-client",
  37         "lttng-ftrace",
  38         "lttng-kprobes",
  39         "lttng-probe-block",
  40         "lttng-probe-irq",
  41         "lttng-probe-kvm",
  42         "lttng-probe-lttng",
  43         "lttng-probe-sched",
  44         "lttng-probe-syscalls",
  45         "lttng-types",
  46         NULL,
  47 };
  48
  49 extern const char default_home_dir[],
  50         default_tracing_group[],
  51         default_ust_sock_dir[],
  52         default_global_apps_pipe[];
  53
  54 /*
  55  * This contains extra data needed for processing a command received by the
  56  * session daemon from the lttng client.
  57  */
  58 struct command_ctx {
  59         int ust_sock;
  60         unsigned int lttng_msg_size;
  61         struct ltt_session *session;
  62         struct lttcomm_lttng_msg *llm;
  63         struct lttcomm_session_msg *lsm;
  64 };
  65
  66 #endif /* _LTT_SESSIOND_H */