Add default subbuf sizes getter functions

[lttng-tools.git] / src / common / defaults.h

diff --git a/src/common/defaults.h b/src/common/defaults.h
index 5c5998dde156b36119fa89ff8e30dd3eaa13f75d..efcd7924b1ab16f38752eecca3ddfe6dabb05a92 100644 (file)
--- a/src/common/defaults.h
+++ b/src/common/defaults.h
@@ -44,6 +44,12 @@
 #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"
 
@@ -72,6 +78,8 @@
 #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
@@ -79,6 +87,14 @@
  */
 #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 */
@@ -125,4 +141,78 @@
 #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 */