X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt-events.h;h=ec70eceadc69986627e2b02031a3b41324185c86;hb=f91fd73b8982db34560bf3fe6da9fdf9a42901a9;hp=b9bb3bb95d8bba919729afabd17f135a76fe9791;hpb=53f1f0ca4eb1890673992697c19e4e1507ec4ac5;p=lttng-modules.git

diff --git a/ltt-events.h b/ltt-events.h
index b9bb3bb9..ec70ecea 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>
@@ -126,7 +128,8 @@ struct lttng_ctx_field {
 	union {
 		struct {
 			struct perf_event **e;	/* per-cpu array */
-			struct list_head head;
+			struct notifier_block nb;
+			int hp_enable;
 			struct perf_event_attr *attr;
 		} perf_counter;
 	} u;
@@ -271,11 +274,17 @@ void ltt_event_put(const struct lttng_event_desc *desc);
 int ltt_probes_init(void);
 void ltt_probes_exit(void);
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
+void lttng_remove_context_field(struct lttng_ctx **ctx,
+				struct lttng_ctx_field *field);
 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);
+int lttng_add_perf_counter_to_ctx(uint32_t type,
+				  uint64_t config,
+				  const char *name,
+				  struct lttng_ctx **ctx);
 
 #ifdef CONFIG_KPROBES
 int lttng_kprobes_register(const char *name,