SoW-2020-0003: Trace Hit Counters

[deliverable/lttng-modules.git] / src / lttng-bytecode.c

diff --git a/src/lttng-bytecode.c b/src/lttng-bytecode.c
index 5702929bd4a44fe9c95dd49ef2f324452c47e0ec..343e53801b09674d4814c1b926095d9e953c02d3 100644 (file)
--- a/src/lttng-bytecode.c
+++ b/src/lttng-bytecode.c
@@ -398,6 +398,7 @@ static
 int link_bytecode(const struct lttng_event_desc *event_desc,
                struct lttng_ctx *ctx,
                struct lttng_bytecode_node *bytecode,
+               struct list_head *bytecode_runtime_head,
                struct list_head *insert_loc)
 {
        int ret, offset, next_offset;
@@ -407,7 +408,7 @@ int link_bytecode(const struct lttng_event_desc *event_desc,
        if (!bytecode)
                return 0;
        /* Bytecode already linked */
-       if (bytecode_is_linked(bytecode, insert_loc))
+       if (bytecode_is_linked(bytecode, bytecode_runtime_head))
                return 0;
 
        dbg_printk("Linking...\n");
@@ -566,7 +567,7 @@ void lttng_enabler_link_bytecode(const struct lttng_event_desc *event_desc,
                insert_loc = instance_bytecode_head;
        add_within:
                dbg_printk("linking bytecode\n");
-               ret = link_bytecode(event_desc, ctx, enabler_bc, insert_loc);
+               ret = link_bytecode(event_desc, ctx, enabler_bc, instance_bytecode_head, insert_loc);
                if (ret) {
                        dbg_printk("[lttng filter] warning: cannot link event bytecode\n");
                }
@@ -603,3 +604,14 @@ void lttng_free_event_filter_runtime(struct lttng_event *event)
                kfree(runtime);
        }
 }
+
+void lttng_free_event_notifier_filter_runtime(struct lttng_event_notifier *event_notifier)
+{
+       struct bytecode_runtime *runtime, *tmp;
+
+       list_for_each_entry_safe(runtime, tmp,
+                       &event_notifier->filter_bytecode_runtime_head, p.node) {
+               kfree(runtime->data);
+               kfree(runtime);
+       }
+}