include/lttng-share.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 _LTTNG_SHARE_H
  20 #define _LTTNG_SHARE_H
  21
  22 #include <asm/types.h>
  23 #include <stdint.h>
  24
  25 typedef uint32_t u32;
  26 typedef uint64_t u64;
  27
  28 typedef __s64 s64;
  29
  30 #define LTTNG_RUNDIR        "/var/run/lttng"
  31
  32 /* Default channel attributes */
  33 #define DEFAULT_CHANNEL_NAME                "channel0"
  34 #define DEFAULT_CHANNEL_OVERWRITE           0       /* usec */
  35 /* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
  36 #define DEFAULT_CHANNEL_SUBBUF_SIZE         4096    /* bytes */
  37 /* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
  38 #define DEFAULT_CHANNEL_SUBBUF_NUM          8
  39 #define DEFAULT_CHANNEL_SWITCH_TIMER        0       /* usec */
  40 #define DEFAULT_CHANNEL_READ_TIMER          200     /* usec */
  41 /* See lttng-kernel.h enum lttng_kernel_output for channel output */
  42 #define DEFAULT_KERNEL_CHANNEL_OUTPUT       LTTNG_EVENT_SPLICE
  43
  44 /* == NOT IMPLEMENTED ==
  45 #define DEFAULT_UST_CHANNEL_OUTPUT          LTTNG_UST_MMAP
  46 */
  47
  48 /*
  49  * lttng user-space instrumentation type
  50  */
  51 enum lttng_ust_instrumentation {
  52         LTTNG_UST_TRACEPOINT,
  53         LTTNG_UST_MARKER,
  54 };
  55
  56 #endif /* _LTTNG_SHARE_H */