X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-context.c;h=544e95f836f6cf3ab90119adae77f32608d200b5;hb=7299e758b109db074589f7879ae631b27c25dc05;hp=eca58ce1873b3ab18c25001ac362a086dda6ecbd;hpb=b3699d90c5a746caeade87f86c371d2ed195147c;p=lttng-modules.git

diff --git a/lttng-context.c b/lttng-context.c
index eca58ce1..544e95f8 100644
--- a/lttng-context.c
+++ b/lttng-context.c
@@ -24,9 +24,9 @@
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
-#include "wrapper/vmalloc.h"	/* for wrapper_vmalloc_sync_all() */
-#include "lttng-events.h"
-#include "lttng-tracer.h"
+#include <wrapper/vmalloc.h>	/* for wrapper_vmalloc_sync_all() */
+#include <lttng-events.h>
+#include <lttng-tracer.h>
 
 /*
  * The filter implementation requires that two consecutive "get" for the
@@ -56,14 +56,20 @@ EXPORT_SYMBOL_GPL(lttng_find_context);
 int lttng_get_context_index(struct lttng_ctx *ctx, const char *name)
 {
 	unsigned int i;
+	const char *subname;
 
 	if (!ctx)
 		return -1;
+	if (strncmp(name, "$ctx.", strlen("$ctx.")) == 0) {
+		subname = name + strlen("$ctx.");
+	} else {
+		subname = name;
+	}
 	for (i = 0; i < ctx->nr_fields; i++) {
 		/* Skip allocated (but non-initialized) contexts */
 		if (!ctx->fields[i].event_field.name)
 			continue;
-		if (!strcmp(ctx->fields[i].event_field.name, name))
+		if (!strcmp(ctx->fields[i].event_field.name, subname))
 			return i;
 	}
 	return -1;
@@ -89,12 +95,12 @@ struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p)
 		struct lttng_ctx_field *new_fields;
 
 		ctx->allocated_fields = max_t(size_t, 1, 2 * ctx->allocated_fields);
-		new_fields = kzalloc(ctx->allocated_fields * sizeof(struct lttng_ctx_field), GFP_KERNEL);
+		new_fields = lttng_kvzalloc(ctx->allocated_fields * sizeof(struct lttng_ctx_field), GFP_KERNEL);
 		if (!new_fields)
 			return NULL;
 		if (ctx->fields)
 			memcpy(new_fields, ctx->fields, sizeof(*ctx->fields) * ctx->nr_fields);
-		kfree(ctx->fields);
+		lttng_kvfree(ctx->fields);
 		ctx->fields = new_fields;
 	}
 	field = &ctx->fields[ctx->nr_fields];
@@ -135,6 +141,10 @@ void lttng_context_update(struct lttng_ctx *ctx)
 
 			case atype_array:
 			case atype_sequence:
+			case atype_struct:
+			case atype_array_compound:
+			case atype_sequence_compound:
+			case atype_variant:
 			default:
 				WARN_ON_ONCE(1);
 				break;
@@ -154,6 +164,10 @@ void lttng_context_update(struct lttng_ctx *ctx)
 			case atype_string:
 			case atype_array:
 			case atype_sequence:
+			case atype_struct:
+			case atype_array_compound:
+			case atype_sequence_compound:
+			case atype_variant:
 			default:
 				WARN_ON_ONCE(1);
 				break;
@@ -172,6 +186,10 @@ void lttng_context_update(struct lttng_ctx *ctx)
 
 			case atype_array:
 			case atype_sequence:
+			case atype_struct:
+			case atype_array_compound:
+			case atype_sequence_compound:
+			case atype_variant:
 			default:
 				WARN_ON_ONCE(1);
 				break;
@@ -181,6 +199,12 @@ void lttng_context_update(struct lttng_ctx *ctx)
 		case atype_string:
 			break;
 
+		case atype_struct:
+		case atype_array_compound:
+		case atype_sequence_compound:
+		case atype_variant:
+			break;
+
 		case atype_enum:
 		default:
 			WARN_ON_ONCE(1);
@@ -216,7 +240,7 @@ void lttng_destroy_context(struct lttng_ctx *ctx)
 		if (ctx->fields[i].destroy)
 			ctx->fields[i].destroy(&ctx->fields[i]);
 	}
-	kfree(ctx->fields);
+	lttng_kvfree(ctx->fields);
 	kfree(ctx);
 }
 
@@ -268,6 +292,22 @@ int lttng_context_init(void)
 	if (ret) {
 		printk(KERN_WARNING "Cannot add context lttng_add_cpu_id_to_ctx");
 	}
+	ret = lttng_add_interruptible_to_ctx(&lttng_static_ctx);
+	if (ret) {
+		printk(KERN_WARNING "Cannot add context lttng_add_interruptible_to_ctx");
+	}
+	ret = lttng_add_need_reschedule_to_ctx(&lttng_static_ctx);
+	if (ret) {
+		printk(KERN_WARNING "Cannot add context lttng_add_need_reschedule_to_ctx");
+	}
+	ret = lttng_add_preemptible_to_ctx(&lttng_static_ctx);
+	if (ret && ret != -ENOSYS) {
+		printk(KERN_WARNING "Cannot add context lttng_add_preemptible_to_ctx");
+	}
+	ret = lttng_add_migratable_to_ctx(&lttng_static_ctx);
+	if (ret && ret != -ENOSYS) {
+		printk(KERN_WARNING "Cannot add context lttng_add_migratable_to_ctx");
+	}
 	/* TODO: perf counters for filtering */
 	return 0;
 }