Merge "Check if CPU time tracking is expected to work" into sc-dev (64454600) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/os/KernelCpuTotalBpfMapReader.java

+1 −4

Original line number	Diff line number	Diff line
		@@ -24,10 +24,7 @@ public final class KernelCpuTotalBpfMapReader {
		}

		/** Returns whether total CPU time is measured. */
		public static boolean isSupported() {
		// TODO(b/174245730): Implement this check.
		return true;
		}
		public static native boolean isSupported();

		/** Reads total CPU time from bpf map. */
		public static native boolean read(Callback callback);

+5 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,10 @@

		namespace android {

		static jboolean KernelCpuTotalBpfMapReader_isSupported(JNIEnv *, jobject) {
		return android::bpf::isTrackingUidTimesSupported() ? JNI_TRUE : JNI_FALSE;
		}

		static jboolean KernelCpuTotalBpfMapReader_read(JNIEnv *env, jobject, jobject callback) {
		jclass callbackClass = env->GetObjectClass(callback);
		jmethodID callbackMethod = env->GetMethodID(callbackClass, "accept", "(IIJ)V");
		@@ -47,6 +51,7 @@ static jboolean KernelCpuTotalBpfMapReader_read(JNIEnv *env, jobject, jobject ca
		static const JNINativeMethod methods[] = {
		{"read", "(Lcom/android/internal/os/KernelCpuTotalBpfMapReader$Callback;)Z",
		(void *)KernelCpuTotalBpfMapReader_read},
		{"isSupported", "()Z", (void *)KernelCpuTotalBpfMapReader_isSupported},
		};

		int register_com_android_internal_os_KernelCpuTotalBpfMapReader(JNIEnv *env) {