29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
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// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/android/jni_string.h"
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#include "base/base_jni_headers/AnimationFrameTimeHistogram_jni.h"
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#include "base/metrics/histogram_macros.h"
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using base::android::JavaParamRef;
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// static
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void JNI_AnimationFrameTimeHistogram_SaveHistogram(
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JNIEnv* env,
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const JavaParamRef<jstring>& j_histogram_name,
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const JavaParamRef<jlongArray>& j_frame_times_ms,
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jint j_count) {
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jlong* frame_times_ms =
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env->GetLongArrayElements(j_frame_times_ms.obj(), nullptr);
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std::string histogram_name = base::android::ConvertJavaStringToUTF8(
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env, j_histogram_name);
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for (int i = 0; i < j_count; ++i) {
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UMA_HISTOGRAM_TIMES(histogram_name.c_str(),
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base::TimeDelta::FromMilliseconds(frame_times_ms[i]));
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}
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env->ReleaseLongArrayElements(j_frame_times_ms.obj(), frame_times_ms,
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JNI_ABORT);
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}
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