Allow channel mode override in snapshot sessions
[lttng-tools.git] / include / lttng / channel.h
index 622ce85e9f30bbcf01cd15cb1a3abc418813f3de..732074c3ae99d8c137483cd792e62e4dbafd2da4 100644 (file)
@@ -33,7 +33,7 @@ extern "C" {
  */
 #define LTTNG_CHANNEL_ATTR_PADDING1        LTTNG_SYMBOL_NAME_LEN + 12
 struct lttng_channel_attr {
-       int overwrite;                      /* 1: overwrite, 0: discard */
+       int overwrite;                      /* -1: session default, 1: overwrite, 0: discard */
        uint64_t subbuf_size;               /* bytes, power of 2 */
        uint64_t num_subbuf;                /* power of 2 */
        unsigned int switch_timer_interval; /* usec */
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