diff options
| -rw-r--r-- | core/java/com/android/internal/os/KernelCpuTotalBpfMapReader.java | 5 | ||||
| -rw-r--r-- | core/jni/com_android_internal_os_KernelCpuTotalBpfMapReader.cpp | 5 |
2 files changed, 6 insertions, 4 deletions
diff --git a/core/java/com/android/internal/os/KernelCpuTotalBpfMapReader.java b/core/java/com/android/internal/os/KernelCpuTotalBpfMapReader.java index fa552e3603c6..50331e3338dc 100644 --- a/core/java/com/android/internal/os/KernelCpuTotalBpfMapReader.java +++ b/core/java/com/android/internal/os/KernelCpuTotalBpfMapReader.java @@ -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); diff --git a/core/jni/com_android_internal_os_KernelCpuTotalBpfMapReader.cpp b/core/jni/com_android_internal_os_KernelCpuTotalBpfMapReader.cpp index 72492381e31a..d8446ca2881d 100644 --- a/core/jni/com_android_internal_os_KernelCpuTotalBpfMapReader.cpp +++ b/core/jni/com_android_internal_os_KernelCpuTotalBpfMapReader.cpp @@ -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) { |