Add disable kernel event support

[lttng-tools.git] / ltt-sessiond / trace.h

diff --git a/ltt-sessiond/trace.h b/ltt-sessiond/trace.h
index 488fd757d3dfabf4d06a894ad2375876f6857cf6..8da147230e22a928ec89b7b33f37c9a84d02cc8c 100644 (file)
--- a/ltt-sessiond/trace.h
+++ b/ltt-sessiond/trace.h
@@ -21,14 +21,10 @@
 
 #include <limits.h>
 #include <urcu/list.h>
-#include "lttng-kernel.h"
 
-/* Default kernel channel attributes */
-#define DEFAULT_KERNEL_OVERWRITE            0
-#define DEFAULT_KERNEL_SUBBUF_SIZE          4096    /* bytes */
-#define DEFAULT_KERNEL_SUBBUF_NUM           8       /* Must always be a power of 2 */
-#define DEFAULT_KERNEL_SWITCH_TIMER         0       /* usec */
-#define DEFAULT_KERNEL_READ_TIMER           200     /* usec */
+#include <lttng/lttng.h>
+
+#include "lttng-kernel.h"
 
 /* Kernel event list */
 struct ltt_kernel_event_list {
@@ -48,6 +44,7 @@ struct ltt_kernel_channel_list {
 /* Kernel event */
 struct ltt_kernel_event {
        int fd;
+       int enabled;
        struct lttng_kernel_event *event;
        struct cds_list_head list;
 };
@@ -57,7 +54,7 @@ struct ltt_kernel_channel {
        int fd;
        char *pathname;
        unsigned int stream_count;
-       struct lttng_kernel_channel *channel;
+       struct lttng_channel *channel;
        struct ltt_kernel_event_list events_list;
        struct ltt_kernel_stream_list stream_list;
        struct cds_list_head list;
@@ -67,7 +64,7 @@ struct ltt_kernel_channel {
 struct ltt_kernel_metadata {
        int fd;
        char *pathname;
-       struct lttng_kernel_channel *conf;
+       struct lttng_channel *conf;
 };
 
 /* Channel stream */
@@ -82,6 +79,7 @@ struct ltt_kernel_stream {
 struct ltt_kernel_session {
        int fd;
        int metadata_stream_fd;
+       int kconsumer_fds_sent;
        unsigned int channel_count;
        unsigned int stream_count_global;
        struct ltt_kernel_metadata *metadata;
@@ -104,23 +102,22 @@ struct ltt_ust_marker {
 };
 
 /*
- * Function prototype
+ * Create functions malloc() the data structure.
  */
-
-/* Kernel session */
 struct ltt_kernel_session *trace_create_kernel_session(void);
-
-/* Kernel channel */
-struct ltt_kernel_channel *trace_create_kernel_channel(void);
-
-/* Kernel event */
-struct ltt_kernel_event *trace_create_kernel_event(char *name,
-               enum lttng_kernel_instrumentation type);
-
-/* Kernel metadata */
+struct ltt_kernel_channel *trace_create_kernel_channel(struct lttng_channel *chan);
+struct ltt_kernel_event *trace_create_kernel_event(struct lttng_event *ev);
 struct ltt_kernel_metadata *trace_create_kernel_metadata(void);
-
-/* Kernel stream */
 struct ltt_kernel_stream *trace_create_kernel_stream(void);
 
+/*
+ * Destroy functions free() the data structure and remove from linked list if
+ * it's applies.
+ */
+void trace_destroy_kernel_session(struct ltt_kernel_session *session);
+void trace_destroy_kernel_metadata(struct ltt_kernel_metadata *metadata);
+void trace_destroy_kernel_channel(struct ltt_kernel_channel *channel);
+void trace_destroy_kernel_event(struct ltt_kernel_event *event);
+void trace_destroy_kernel_stream(struct ltt_kernel_stream *stream);
+
 #endif /* _LTT_TRACE_H */