Add logging to Perfetto Java API native (f668feb6) · Commits · e / os / android_frameworks_base

core/jni/android_tracing_PerfettoDataSource.cpp

+52 −1

Original line number	Diff line number	Diff line
		@@ -14,7 +14,7 @@
		* limitations under the License.
		*/

		#define LOG_TAG "Perfetto"
		#define LOG_TAG "NativeJavaPerfettoDs"

		#include "android_tracing_PerfettoDataSource.h"

		@@ -166,16 +166,25 @@ jobject PerfettoDataSource::createIncrementalStateGlobalRef(JNIEnv* env,

		void PerfettoDataSource::trace(JNIEnv* env, jobject traceFunction) {
		PERFETTO_DS_TRACE(dataSource, ctx) {
		ALOG(LOG_DEBUG, LOG_TAG, "\tin native trace callback function %p", this);
		TlsState* tls_state =
		reinterpret_cast<TlsState*>(PerfettoDsGetCustomTls(&dataSource, &ctx));
		IncrementalState* incr_state = reinterpret_cast<IncrementalState*>(
		PerfettoDsGetIncrementalState(&dataSource, &ctx));

		ALOG(LOG_DEBUG, LOG_TAG, "\t tls_state = %p", tls_state);
		ALOG(LOG_DEBUG, LOG_TAG, "\t incr_state = %p", incr_state);

		ALOG(LOG_DEBUG, LOG_TAG, "\t tls_state->jobj = %p", tls_state->jobj);
		ALOG(LOG_DEBUG, LOG_TAG, "\t incr_state->jobj = %p", incr_state->jobj);

		ScopedLocalRef<jobject> jCtx(env,
		env->NewObject(gTracingContextClassInfo.clazz,
		gTracingContextClassInfo.init, &ctx,
		tls_state->jobj, incr_state->jobj));

		ALOG(LOG_DEBUG, LOG_TAG, "\t jCtx = %p", jCtx.get());

		jclass objclass = env->GetObjectClass(traceFunction);
		jmethodID method =
		env->GetMethodID(objclass, "trace", "(Landroid/tracing/perfetto/TracingContext;)V");
		@@ -209,7 +218,9 @@ PerfettoDataSource::~PerfettoDataSource() {

		jlong nativeCreate(JNIEnv* env, jclass clazz, jobject javaDataSource, jstring name) {
		const char* nativeString = env->GetStringUTFChars(name, 0);
		ALOG(LOG_DEBUG, LOG_TAG, "nativeCreate(%p, %s)", javaDataSource, nativeString);
		PerfettoDataSource* dataSource = new PerfettoDataSource(env, javaDataSource, nativeString);
		ALOG(LOG_DEBUG, LOG_TAG, "\tdatasource* = %p", dataSource);
		env->ReleaseStringUTFChars(name, nativeString);

		dataSource->incStrong((void*)nativeCreate);
		@@ -218,33 +229,39 @@ jlong nativeCreate(JNIEnv* env, jclass clazz, jobject javaDataSource, jstring na
		}

		void nativeDestroy(void* ptr) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeCreate(%p)", ptr);
		PerfettoDataSource* dataSource = reinterpret_cast<PerfettoDataSource*>(ptr);
		dataSource->decStrong((void*)nativeCreate);
		}

		static jlong nativeGetFinalizer(JNIEnv* /* env /, jclass / clazz */) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeGetFinalizer()");
		return static_cast<jlong>(reinterpret_cast<uintptr_t>(&nativeDestroy));
		}

		void nativeTrace(JNIEnv* env, jclass clazz, jlong dataSourcePtr, jobject traceFunctionInterface) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeTrace(%p)", (void*)dataSourcePtr);
		sp<PerfettoDataSource> datasource = reinterpret_cast<PerfettoDataSource*>(dataSourcePtr);

		datasource->trace(env, traceFunctionInterface);
		}

		void nativeFlush(JNIEnv* env, jclass clazz, jobject jCtx, jlong ctxPtr) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeFlush(%p, %p)", jCtx, (void*)ctxPtr);
		auto* ctx = reinterpret_cast<struct PerfettoDsTracerIterator*>(ctxPtr);
		traceAllPendingPackets(env, jCtx, ctx);
		PerfettoDsTracerFlush(ctx, nullptr, nullptr);
		}

		void nativeFlushAll(JNIEnv* env, jclass clazz, jlong ptr) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeFlushAll(%p)", (void*)ptr);
		sp<PerfettoDataSource> datasource = reinterpret_cast<PerfettoDataSource*>(ptr);
		datasource->flushAll();
		}

		void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		int buffer_exhausted_policy) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeRegisterDataSource(%p)", (void*)datasource_ptr);
		sp<PerfettoDataSource> datasource = reinterpret_cast<PerfettoDataSource*>(datasource_ptr);

		struct PerfettoDsParams params = PerfettoDsParamsDefault();
		@@ -267,6 +284,9 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		auto* datasource_instance =
		new PerfettoDataSourceInstance(env, java_data_source_instance.get(), inst_id);

		ALOG(LOG_DEBUG, LOG_TAG, "on_setup_cb ds=%p, ds_instance=%p", datasource,
		datasource_instance);

		return static_cast<void*>(datasource_instance);
		};

		@@ -280,6 +300,8 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,

		auto* tls_state = new TlsState(java_tls_state);

		ALOG(LOG_DEBUG, LOG_TAG, "on_create_tls_cb ds=%p, tsl_state=%p", datasource, tls_state);

		return static_cast<void*>(tls_state);
		};

		@@ -287,6 +309,9 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		JNIEnv* env = GetOrAttachJNIEnvironment(gVm, JNI_VERSION_1_6);

		TlsState* tls_state = reinterpret_cast<TlsState*>(ptr);

		ALOG(LOG_DEBUG, LOG_TAG, "on_delete_tls_cb %p", tls_state);

		env->DeleteGlobalRef(tls_state->jobj);
		delete tls_state;
		};
		@@ -299,6 +324,9 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		jobject java_incr_state = datasource->createIncrementalStateGlobalRef(env, inst_id);

		auto* incr_state = new IncrementalState(java_incr_state);

		ALOG(LOG_DEBUG, LOG_TAG, "on_create_incr_cb ds=%p, incr_state=%p", datasource, incr_state);

		return static_cast<void*>(incr_state);
		};

		@@ -306,6 +334,9 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		JNIEnv* env = GetOrAttachJNIEnvironment(gVm, JNI_VERSION_1_6);

		IncrementalState* incr_state = reinterpret_cast<IncrementalState*>(ptr);

		ALOG(LOG_DEBUG, LOG_TAG, "on_delete_incr_cb incr_state=%p", incr_state);

		env->DeleteGlobalRef(incr_state->jobj);
		delete incr_state;
		};
		@@ -315,6 +346,9 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		JNIEnv* env = GetOrAttachJNIEnvironment(gVm, JNI_VERSION_1_6);

		auto* datasource_instance = static_cast<PerfettoDataSourceInstance*>(inst_ctx);

		ALOG(LOG_DEBUG, LOG_TAG, "on_start_cb ds_instance=%p", datasource_instance);

		datasource_instance->onStart(env);
		};

		@@ -323,6 +357,9 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		JNIEnv* env = GetOrAttachJNIEnvironment(gVm, JNI_VERSION_1_6);

		auto* datasource_instance = static_cast<PerfettoDataSourceInstance*>(inst_ctx);

		ALOG(LOG_DEBUG, LOG_TAG, "on_flush_cb ds_instance=%p", datasource_instance);

		datasource_instance->onFlush(env);
		};

		@@ -331,12 +368,18 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,
		JNIEnv* env = GetOrAttachJNIEnvironment(gVm, JNI_VERSION_1_6);

		auto* datasource_instance = static_cast<PerfettoDataSourceInstance*>(inst_ctx);

		ALOG(LOG_DEBUG, LOG_TAG, "on_stop_cb ds_instance=%p", datasource_instance);

		datasource_instance->onStop(env);
		};

		params.on_destroy_cb = [](struct PerfettoDsImpl* ds_impl, void* user_arg,
		void* inst_ctx) -> void {
		auto* datasource_instance = static_cast<PerfettoDataSourceInstance*>(inst_ctx);

		ALOG(LOG_DEBUG, LOG_TAG, "on_destroy_cb ds_instance=%p", datasource_instance);

		delete datasource_instance;
		};

		@@ -345,20 +388,28 @@ void nativeRegisterDataSource(JNIEnv* env, jclass clazz, jlong datasource_ptr,

		jobject nativeGetPerfettoInstanceLocked(JNIEnv* env, jclass clazz, jlong dataSourcePtr,
		PerfettoDsInstanceIndex instance_idx) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeGetPerfettoInstanceLocked ds=%p, idx=%d", (void*)dataSourcePtr,
		instance_idx);
		sp<PerfettoDataSource> datasource = reinterpret_cast<PerfettoDataSource*>(dataSourcePtr);
		auto* datasource_instance = static_cast<PerfettoDataSourceInstance*>(
		PerfettoDsImplGetInstanceLocked(datasource->dataSource.impl, instance_idx));

		if (datasource_instance == nullptr) {
		// datasource instance doesn't exist
		ALOG(LOG_WARN, LOG_TAG,
		"DS instance invalid!! nativeGetPerfettoInstanceLocked returning NULL");
		return nullptr;
		}

		ALOG(LOG_DEBUG, LOG_TAG, "\tnativeGetPerfettoInstanceLocked got lock ds=%p, idx=%d",
		(void*)dataSourcePtr, instance_idx);
		return datasource_instance->GetJavaDataSourceInstance();
		}

		void nativeReleasePerfettoInstanceLocked(JNIEnv* env, jclass clazz, jlong dataSourcePtr,
		PerfettoDsInstanceIndex instance_idx) {
		ALOG(LOG_DEBUG, LOG_TAG, "nativeReleasePerfettoInstanceLocked got lock ds=%p, idx=%d",
		(void*)dataSourcePtr, instance_idx);
		sp<PerfettoDataSource> datasource = reinterpret_cast<PerfettoDataSource*>(dataSourcePtr);
		PerfettoDsImplReleaseInstanceLocked(datasource->dataSource.impl, instance_idx);
		}

core/jni/android_tracing_PerfettoDataSource.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -14,8 +14,6 @@
		* limitations under the License.
		*/

		#define LOG_TAG "Perfetto"

		#include <android_runtime/AndroidRuntime.h>
		#include <android_runtime/Log.h>
		#include <nativehelper/JNIHelp.h>

core/jni/android_tracing_PerfettoDataSourceInstance.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -14,8 +14,6 @@
		* limitations under the License.
		*/

		#define LOG_TAG "Perfetto"

		#include <android_runtime/AndroidRuntime.h>
		#include <android_runtime/Log.h>
		#include <nativehelper/JNIHelp.h>