X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=ltt-events.h;h=de6ae0e7c3e20ff315ef4c912d552a6020b52d03;hb=17baffe29814f2508556e498ab8c41a192e76b67;hp=1a5b5d5cf6c196252458ae18ec65d8fb57637baf;hpb=9e7e489272e646b39c51e3074de800e928bb5cec;p=lttng-modules.git

diff --git a/ltt-events.h b/ltt-events.h
index 1a5b5d5c..de6ae0e7 100644
--- a/ltt-events.h
+++ b/ltt-events.h
@@ -7,6 +7,8 @@
  * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * Holds LTTng per-session event registry.
+ *
+ * Dual LGPL v2.1/GPL v2 license.
  */
 
 #include <linux/list.h>
@@ -118,9 +120,11 @@ struct lttng_event_field {
 };
 
 struct lttng_ctx_field {
-	const char *name;
-	struct lttng_type type;
-	void *callback;
+	struct lttng_event_field event_field;
+	size_t (*get_size)(size_t offset);
+	void (*record)(struct lttng_ctx_field *field,
+		       struct lib_ring_buffer_ctx *ctx,
+		       struct ltt_channel *chan);
 	union {
 		struct {
 			struct perf_event **e;	/* per-cpu array */
@@ -161,6 +165,7 @@ struct ltt_event {
 	struct ltt_channel *chan;
 	const struct lttng_event_desc *desc;
 	void *filter;
+	struct lttng_ctx *ctx;
 	enum lttng_kernel_instrumentation instrumentation;
 	union {
 		struct {
@@ -202,6 +207,7 @@ struct ltt_channel_ops {
 struct ltt_channel {
 	unsigned int id;
 	struct channel *chan;		/* Channel buffers */
+	struct lttng_ctx *ctx;
 	/* Event ID management */
 	struct ltt_session *session;
 	struct file *file;		/* File associated to channel */
@@ -215,6 +221,7 @@ struct ltt_channel {
 
 struct ltt_session {
 	int active;			/* Is trace session active ? */
+	int been_active;		/* Has trace session been active ? */
 	struct file *file;		/* File associated to session */
 	struct ltt_channel *metadata;	/* Metadata channel */
 	struct list_head chan;		/* Channel list head */
@@ -267,6 +274,10 @@ int ltt_probes_init(void);
 void ltt_probes_exit(void);
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
 void lttng_destroy_context(struct lttng_ctx *ctx);
+int lttng_add_pid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_comm_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_prio_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_nice_to_ctx(struct lttng_ctx **ctx);
 
 #ifdef CONFIG_KPROBES
 int lttng_kprobes_register(const char *name,