/* 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"
#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
-#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"
+/* Subpath for per PID or UID sessions. */
+#define DEFAULT_UST_TRACE_PID_PATH "/pid"
+#define DEFAULT_UST_TRACE_UID_PATH "/uid/%d/%u-bit"
+
/*
* 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_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
-
/* 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"
-#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"
+#define DEFAULT_GLOBAL_APPS_UNIX_SOCK \
+ DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
+#define DEFAULT_HOME_APPS_UNIX_SOCK \
+ DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
+#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
+ "/" LTTNG_UST_WAIT_FILENAME
+#define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
+ DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"
+
/*
* Value taken from the hard limit allowed by the kernel when using setrlimit
* with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
*/
#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_NUM must always be a power of 2 */
#define DEFAULT_CHANNEL_SUBBUF_NUM 4
#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
-#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
+#define DEFAULT_CHANNEL_READ_TIMER 200000 /* usec */
#define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
#define DEFAULT_METADATA_SUBBUF_SIZE 4096
#define DEFAULT_METADATA_SUBBUF_NUM 2
+#define DEFAULT_METADATA_CACHE_SIZE 4096
/* Kernel has different defaults */
/* See lttng-kernel.h enum lttng_kernel_output for channel output */
#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
+#define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER \
+ DEFAULT_CHANNEL_SWITCH_TIMER
+#define DEFAULT_KERNEL_CHANNEL_READ_TIMER 200000 /* usec */
+
/* User space defaults */
/* Must be a power of 2 */
/* See lttng-ust.h enum lttng_ust_output */
#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
+#define DEFAULT_UST_CHANNEL_SWITCH_TIMER \
+ DEFAULT_CHANNEL_SWITCH_TIMER
+#define DEFAULT_UST_CHANNEL_READ_TIMER 0 /* usec */
+
/*
* Default timeout value for the sem_timedwait() call. Blocking forever is not
* wanted so a timeout is used to control the data flow and not freeze the
#define DEFAULT_HEALTH_CHECK_DELTA_NS 0
/*
- * Wait period before retrying the lttng_data_available command in the lttng
+ * 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 */
+/*
+ * Wait period before retrying the lttng_consumer_flushed_cache when
+ * the consumer receives metadata.
+ */
+#define DEFAULT_METADATA_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"
+
+#define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
+
+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