*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#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 {
/* Kernel event */
struct ltt_kernel_event {
int fd;
+ int enabled;
+ struct lttng_kernel_context *ctx;
struct lttng_kernel_event *event;
struct cds_list_head list;
};
/* Kernel channel */
struct ltt_kernel_channel {
int fd;
+ int enabled;
char *pathname;
unsigned int stream_count;
- struct lttng_kernel_channel *channel;
+ unsigned int event_count;
+ struct lttng_kernel_context *ctx;
+ struct lttng_channel *channel;
struct ltt_kernel_event_list events_list;
struct ltt_kernel_stream_list stream_list;
struct cds_list_head list;
struct ltt_kernel_metadata {
int fd;
char *pathname;
- struct lttng_kernel_channel *conf;
+ struct lttng_channel *conf;
};
/* Channel stream */
struct ltt_kernel_session {
int fd;
int metadata_stream_fd;
+ int kconsumer_fds_sent;
unsigned int channel_count;
unsigned int stream_count_global;
+ char *trace_path;
struct ltt_kernel_metadata *metadata;
struct ltt_kernel_channel_list channel_list;
};
};
/*
- * Function prototype
+ * Get functions.
*/
+struct ltt_kernel_event *get_kernel_event_by_name(
+ char *name, struct ltt_kernel_channel *channel);
+struct ltt_kernel_channel *get_kernel_channel_by_name(
+ char *name, struct ltt_kernel_session *session);
-/* Kernel session */
+/*
+ * Create functions malloc() the data structure.
+ */
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_metadata *trace_create_kernel_metadata(void);
-
-/* Kernel stream */
+struct ltt_kernel_channel *trace_create_kernel_channel(struct lttng_channel *chan, char *path);
+struct ltt_kernel_event *trace_create_kernel_event(struct lttng_event *ev);
+struct ltt_kernel_metadata *trace_create_kernel_metadata(char *path);
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 */