Fix: Add space for stream name CPU number

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

diff --git a/src/common/defaults.h b/src/common/defaults.h
index 3fd74753f1b3c48495da65082e4e2532b81af66c..5495531f6318a5177b9d3e97fb05ff939121075f 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"
 
@@ -81,6 +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 */
@@ -127,4 +141,17 @@
 #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 */
+
 #endif /* _DEFAULTS_H */