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 9853fbc9e81d7ebaa024d2baeac4be859dfe2eae..5495531f6318a5177b9d3e97fb05ff939121075f 100644 (file)
--- a/src/common/defaults.h
+++ b/src/common/defaults.h
@@ -87,6 +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 */