Add snapshot mode to lttng list session

[lttng-tools.git] / include / lttng / lttng.h

diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h
index ee348df850adb0c4753201595ed2e404b1840a9e..4ffffd84ff237bedddbf1bbc27c325c32136b521 100644 (file)
--- a/include/lttng/lttng.h
+++ b/include/lttng/lttng.h
@@ -126,6 +126,7 @@ enum lttng_event_context_type {
        LTTNG_EVENT_CONTEXT_VPPID             = 9,
        LTTNG_EVENT_CONTEXT_PTHREAD_ID        = 10,
        LTTNG_EVENT_CONTEXT_HOSTNAME          = 11,
+       LTTNG_EVENT_CONTEXT_IP                = 12,
 };
 
 enum lttng_calibrate_type {
@@ -139,6 +140,9 @@ enum lttng_health_component {
        LTTNG_HEALTH_APP_REG,
        LTTNG_HEALTH_KERNEL,
        LTTNG_HEALTH_CONSUMER,
+       LTTNG_HEALTH_HT_CLEANUP,
+       LTTNG_HEALTH_APP_MANAGE_NOTIFY,
+       LTTNG_HEALTH_APP_REG_DISPATCH,
        LTTNG_HEALTH_ALL,
 };
 
@@ -322,12 +326,13 @@ struct lttng_calibrate {
  *
  * The structures should be initialized to zero before use.
  */
-#define LTTNG_SESSION_PADDING1             16
+#define LTTNG_SESSION_PADDING1             12
 struct lttng_session {
        char name[NAME_MAX];
        /* The path where traces are written */
        char path[PATH_MAX];
        uint32_t enabled;       /* enabled/started: 1, disabled/stopped: 0 */
+       uint32_t snapshot_mode;
 
        char padding[LTTNG_SESSION_PADDING1];
 };
@@ -386,6 +391,21 @@ extern void lttng_destroy_handle(struct lttng_handle *handle);
  */
 extern int lttng_create_session(const char *name, const char *url);
 
+/*
+ * Create a tracing session that will exclusively be used for snapshot meaning
+ * the session will be in no output mode and every channel enabled for that
+ * session will be set in overwrite mode and in mmap output since splice is not
+ * supported.
+ *
+ * If an url is given, it will be used to create a default snapshot output
+ * using it as a destination. If NULL, no output will be defined and an
+ * add-output call will be needed.
+ *
+ * Name can't be NULL.
+ */
+extern int lttng_create_session_snapshot(const char *name,
+               const char *snapshot_url);
+
 /*
  * Destroy a tracing session.
  *
@@ -601,13 +621,13 @@ extern int lttng_set_consumer_url(struct lttng_handle *handle,
 /*
  * Enable the consumer for a session and domain.
  */
-extern LTTNG_DEPRECATED("This call is now obselete.")
+extern LTTNG_DEPRECATED("This call is now obsolete.")
 int lttng_enable_consumer(struct lttng_handle *handle);
 
 /*
  * Disable consumer for a session and domain.
  */
-extern LTTNG_DEPRECATED("This call is now obselete.")
+extern LTTNG_DEPRECATED("This call is now obsolete.")
 int lttng_disable_consumer(struct lttng_handle *handle);
 
 /*