Unregister tracepoint probes when not needed

[lttng-ust.git] / include / lttng / ust-events.h

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 05966ff69e344218daf0fa29b9e401843e3b7eac..363fcb5cae6ce228175034e669b358040c4ad4d4 100644 (file)
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -365,6 +365,7 @@ struct lttng_event {
        /* Backward references: list of lttng_enabler_ref (ref to enablers) */
        struct cds_list_head enablers_ref_head;
        struct cds_hlist_node hlist;    /* session ht of events */
+       int registered;                 /* has reg'd tracepoint probe */
 };
 
 struct channel;
@@ -432,6 +433,7 @@ struct lttng_channel {
        unsigned int id;
        enum lttng_ust_chan_type type;
        unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
+       int tstate:1;                   /* Transient enable state */
 };
 
 #define LTTNG_UST_EVENT_HT_BITS                12
@@ -463,6 +465,7 @@ struct lttng_session {
        struct cds_list_head enablers_head;
        struct lttng_ust_event_ht events_ht;    /* ht of events */
        void *owner;                            /* object owner */
+       int tstate:1;                           /* Transient enable state */
 };
 
 struct lttng_transport {