#include <set>
#include "base/debug/trace_event.h"
+#include "base/debug/trace_event_impl.h"
#include "base/lazy_instance.h"
#include "jni/TraceEvent_jni.h"
namespace {
const char kJavaCategory[] = "Java";
+const char kToplevelCategory[] = "toplevel";
+const char kLooperDispatchMessage[] = "Looper.dispatchMessage";
// Boilerplate for safely converting Java data to TRACE_EVENT data.
class TraceEventDataConverter {
DISALLOW_COPY_AND_ASSIGN(TraceEventDataConverter);
};
+class TraceEnabledObserver : public debug::TraceLog::EnabledStateObserver {
+ public:
+ virtual void OnTraceLogEnabled() OVERRIDE {
+ JNIEnv* env = base::android::AttachCurrentThread();
+ base::android::Java_TraceEvent_setEnabled(env, true);
+ }
+ virtual void OnTraceLogDisabled() OVERRIDE {
+ JNIEnv* env = base::android::AttachCurrentThread();
+ base::android::Java_TraceEvent_setEnabled(env, false);
+ }
+};
+
+base::LazyInstance<TraceEnabledObserver>::Leaky g_trace_enabled_state_observer_;
+
} // namespace
-static jboolean TraceEnabled(JNIEnv* env, jclass clazz) {
- return base::debug::TraceLog::GetInstance()->IsEnabled();
+static void RegisterEnabledObserver(JNIEnv* env, jclass clazz) {
+ bool enabled = debug::TraceLog::GetInstance()->IsEnabled();
+ base::android::Java_TraceEvent_setEnabled(env, enabled);
+ debug::TraceLog::GetInstance()->AddEnabledStateObserver(
+ g_trace_enabled_state_observer_.Pointer());
}
static void StartATrace(JNIEnv* env, jclass clazz) {
}
}
+static void BeginToplevel(JNIEnv* env, jclass clazz) {
+ TRACE_EVENT_BEGIN0(kToplevelCategory, kLooperDispatchMessage);
+}
+
+static void EndToplevel(JNIEnv* env, jclass clazz) {
+ TRACE_EVENT_END0(kToplevelCategory, kLooperDispatchMessage);
+}
+
static void StartAsync(JNIEnv* env, jclass clazz,
jstring jname, jlong jid, jstring jarg) {
TraceEventDataConverter converter(env, jname, jarg);