* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; only version 2 of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _DEFAULTS_H
#define _DEFAULTS_H
+/* Default unix group name for tracing. */
+#define DEFAULT_TRACING_GROUP "tracing"
+
+/* Environment variable to set session daemon binary path. */
+#define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
+
+/* Default trace output directory name */
+#define DEFAULT_TRACE_DIR_NAME "lttng-traces"
+
/* Default size of a hash table */
#define DEFAULT_HT_SIZE 4
#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait"
#define DEFAULT_HOME_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait-%u"
+/* Default directory where the trace are written in per domain */
+#define DEFAULT_KERNEL_TRACE_DIR "/kernel"
+#define DEFAULT_UST_TRACE_DIR "/ust"
+
+/*
+ * Default session name for the lttng command line. This default value will
+ * get the date and time appended (%Y%m%d-%H%M%S) to it.
+ */
+#define DEFAULT_SESSION_NAME "auto"
+
/* Default consumer paths */
#define DEFAULT_CONSUMERD_RUNDIR "%s"
#define DEFAULT_GLOBAL_APPS_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/apps-lttng-sessiond"
#define DEFAULT_HOME_APPS_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/apps-lttng-sessiond"
#define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
+#define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/health.sock"
+#define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/health.sock"
/*
* Value taken from the hard limit allowed by the kernel when using setrlimit
*/
#define DEFAULT_POLL_SIZE 65535
+/*
+ * Format is %s_%d respectively channel name and CPU number. Eigth bytes
+ * are added here to add space for the CPU number. I guess 2^8 CPUs is more
+ * than enough. We might end up with quantum computing in a cell phone when
+ * reaching this limit.
+ */
+#define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8
+
/* Default channel attributes */
#define DEFAULT_CHANNEL_NAME "channel0"
#define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */
/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
-#define DEFAULT_CHANNEL_SUBBUF_NUM 8
+#define DEFAULT_CHANNEL_SUBBUF_NUM 4
#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
#define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */
-/* DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2 */
-#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM 4
+/*
+ * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
+ * Update help manually if override.
+ */
+#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
/* See lttng-kernel.h enum lttng_kernel_output for channel output */
#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
/* Must be a power of 2 */
#define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
-/* Must be a power of 2 */
-#define DEFAULT_UST_CHANNEL_SUBBUF_NUM 4
+/* Must be a power of 2. Update help manuall if override. */
+#define DEFAULT_UST_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
/* See lttng-ust.h enum lttng_ust_output */
#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
*/
#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
+/* Default network ports for trace streaming support */
+#define DEFAULT_NETWORK_CONTROL_PORT 5342
+#define DEFAULT_NETWORK_DATA_PORT 5343
+
+/*
+ * If a thread stalls for this amount of time, it will be considered bogus (bad
+ * health).
+ */
+#define DEFAULT_HEALTH_CHECK_DELTA_S 20
+#define DEFAULT_HEALTH_CHECK_DELTA_NS 0
+
+/*
+ * Wait period before retrying the lttng_data_pending command in the lttng
+ * stop command of liblttng-ctl.
+ */
+#define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
+
+/*
+ * Default receiving and sending timeout for an application socket.
+ */
+#define DEFAULT_APP_SOCKET_RW_TIMEOUT 5 /* sec */
+#define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
+
+
+extern size_t default_channel_subbuf_size;
+extern size_t default_metadata_subbuf_size;
+extern size_t default_ust_channel_subbuf_size;
+extern size_t default_kernel_channel_subbuf_size;
+
+
+/*
+ * Returns the default subbuf size.
+ *
+ * This function depends on a value that is set at constructor time, so it is
+ * unsafe to call it from another constructor.
+ */
+static inline
+size_t default_get_channel_subbuf_size(void)
+{
+ return default_channel_subbuf_size;
+}
+
+/*
+ * Returns the default metadata subbuf size.
+ *
+ * This function depends on a value that is set at constructor time, so it is
+ * unsafe to call it from another constructor.
+ */
+static inline
+size_t default_get_metadata_subbuf_size(void)
+{
+ return default_metadata_subbuf_size;
+}
+
+/*
+ * Returns the default subbuf size for the kernel domain.
+ *
+ * This function depends on a value that is set at constructor time, so it is
+ * unsafe to call it from another constructor.
+ */
+static inline
+size_t default_get_kernel_channel_subbuf_size(void)
+{
+ return default_kernel_channel_subbuf_size;
+}
+
+/*
+ * Returns the default subbuf size for the UST domain.
+ *
+ * This function depends on a value that is set at constructor time, so it is
+ * unsafe to call it from another constructor.
+ */
+static inline
+size_t default_get_ust_channel_subbuf_size(void)
+{
+ return default_ust_channel_subbuf_size;
+}
+
#endif /* _DEFAULTS_H */
projects / lttng-tools.git / blobdiff