ltt-sessiond/trace.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; either version 2
   7  * of the License, or (at your option) any later version.
   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_TRACE_H
  20 #define _LTT_TRACE_H
  21
  22 #include "session.h"
  23
  24 /* LTTng trace representation */
  25 struct ltt_kernel_trace {
  26         struct cds_list_head list;
  27         char name[NAME_MAX];
  28         struct cds_list_head marker_list;
  29 };
  30
  31 /* UST trace representation */
  32 struct ltt_ust_trace {
  33         struct cds_list_head list;
  34         char name[NAME_MAX];
  35         int shmid;
  36         pid_t pid;
  37         struct cds_list_head markers;
  38 };
  39
  40 struct ltt_ust_marker {
  41         struct cds_list_head list;
  42         char *name;
  43         char *channel;
  44 };
  45
  46 int get_trace_count_per_session(struct ltt_session *session);
  47 void get_traces_per_session(struct ltt_session *session, struct lttng_trace *traces);
  48 int ust_create_trace(int sock, pid_t pid);
  49 int ust_start_trace(int sock, pid_t pid);
  50 int ust_stop_trace(int sock, pid_t pid);
  51
  52 #endif /* _LTT_TRACE_H */