X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng-share.h;h=825456c563cc11077e2c9b88ecc95010f8a9b564;hb=e765105490394ee9f663c7c25d343b9146a023da;hp=cd971c355044d9351dcd42f72f9b086df8f93a12;hpb=b9f1dd6997ea64db8c140c617d2a74cf90767e3b;p=lttng-tools.git

diff --git a/include/lttng-share.h b/include/lttng-share.h
index cd971c355..825456c56 100644
--- a/include/lttng-share.h
+++ b/include/lttng-share.h
@@ -30,13 +30,17 @@ typedef __s64 s64;
 #define LTTNG_RUNDIR        "/var/run/lttng"
 
 /* Default channel attributes */
-#define DEFAULT_CHANNEL_NAME                 "channel0"
-#define DEFAULT_CHANNEL_OVERWRITE            0
-#define DEFAULT_CHANNEL_SUBBUF_SIZE          4096    /* bytes */
-#define DEFAULT_CHANNEL_SUBBUF_NUM           8       /* Must always be a power of 2 */
-#define DEFAULT_CHANNEL_SWITCH_TIMER         0       /* usec */
-#define DEFAULT_CHANNEL_READ_TIMER           200     /* usec */
-#define DEFAULT_CHANNEL_OUTPUT               0       /* splice, mmap (0: SPLICE, 1: MMAP, see lttng.h) */
+#define DEFAULT_CHANNEL_NAME                "channel0"
+#define DEFAULT_CHANNEL_OVERWRITE           0       /* usec */
+/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
+#define DEFAULT_CHANNEL_SUBBUF_SIZE         4096    /* bytes */
+/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
+#define DEFAULT_CHANNEL_SUBBUF_NUM          8
+#define DEFAULT_CHANNEL_SWITCH_TIMER        0       /* usec */
+#define DEFAULT_CHANNEL_READ_TIMER          200     /* usec */
+/* See lttng.h enum lttng_kernel_output for channel output */
+#define DEFAULT_KERNEL_CHANNEL_OUTPUT       LTTNG_KERNEL_SPLICE
+#define DEFAULT_UST_CHANNEL_OUTPUT          LTTNG_UST_MMAP
 
 /*
  * lttng user-space instrumentation type