X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fdefaults.h;h=0e3aecf87c7ebcd1b9def4048bb0326aa4fb82c8;hb=4d513a5063879aa41c5ce27d245a7c56ecaa6e79;hp=5ab63d050712e5c5f8641dd4b90f37a74dac1c82;hpb=8809eec0bb55b03862cb1eb128eb39d50104c258;p=lttng-tools.git

diff --git a/src/common/defaults.h b/src/common/defaults.h
index 5ab63d050..0e3aecf87 100644
--- a/src/common/defaults.h
+++ b/src/common/defaults.h
@@ -22,6 +22,13 @@
 /* Default unix group name for tracing. */
 #define DEFAULT_TRACING_GROUP                   "tracing"
 
+/*
+ * This value is defined in the CTF specification (see
+ * git://git.efficios.com/ctf.git in the file
+ * common-trace-format-specification.txt.
+ */
+#define DEFAULT_METADATA_NAME                   "metadata"
+
 /* Environment variable to set session daemon binary path. */
 #define DEFAULT_SESSIOND_PATH_ENV               "LTTNG_SESSIOND_PATH"
 
@@ -44,6 +51,12 @@
 #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"
 
@@ -66,6 +79,7 @@
 /* Default lttng run directory */
 #define DEFAULT_LTTNG_RUNDIR                    "/var/run/lttng"
 #define DEFAULT_LTTNG_HOME_RUNDIR               "%s/.lttng"
+#define DEFAULT_LTTNG_SESSIOND_PIDFILE          "lttng-sessiond.pid"
 
 /* Default unix socket path */
 #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK         DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
@@ -81,6 +95,14 @@
  */
 #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 */
@@ -134,4 +156,71 @@
 #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 */