89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
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// Copyright 2004-present Facebook. All Rights Reserved.
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#ifdef WITH_JSC_EXTRA_TRACING
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#include <stdio.h>
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#include <string.h>
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#include <JavaScriptCore/JavaScript.h>
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#include <JavaScriptCore/API/JSProfilerPrivate.h>
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#include <jsc_legacy_profiler.h>
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#include "JSCHelpers.h"
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#include "JSCLegacyProfiler.h"
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#include "Value.h"
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static JSValueRef nativeProfilerStart(
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JSContextRef ctx,
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JSObjectRef function,
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JSObjectRef thisObject,
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size_t argumentCount,
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const JSValueRef arguments[],
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JSValueRef* exception) {
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if (argumentCount < 1) {
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if (exception) {
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*exception = facebook::react::makeJSCException(
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ctx,
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"nativeProfilerStart: requires at least 1 argument");
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}
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return JSValueMakeUndefined(ctx);
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}
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JSStringRef title = JSValueToStringCopy(ctx, arguments[0], exception);
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#if WITH_REACT_INTERNAL_SETTINGS
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JSStartProfiling(ctx, title, false);
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#else
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JSStartProfiling(ctx, title);
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#endif
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JSStringRelease(title);
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return JSValueMakeUndefined(ctx);
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}
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static JSValueRef nativeProfilerEnd(
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JSContextRef ctx,
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JSObjectRef function,
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JSObjectRef thisObject,
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size_t argumentCount,
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const JSValueRef arguments[],
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JSValueRef* exception) {
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if (argumentCount < 1) {
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if (exception) {
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*exception = facebook::react::makeJSCException(
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ctx,
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"nativeProfilerEnd: requires at least 1 argument");
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}
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return JSValueMakeUndefined(ctx);
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}
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std::string writeLocation("/sdcard/");
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if (argumentCount > 1) {
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JSStringRef fileName = JSValueToStringCopy(ctx, arguments[1], exception);
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writeLocation += facebook::react::String::ref(fileName).str();
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JSStringRelease(fileName);
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} else {
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writeLocation += "profile.json";
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}
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JSStringRef title = JSValueToStringCopy(ctx, arguments[0], exception);
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JSEndProfilingAndRender(ctx, title, writeLocation.c_str());
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JSStringRelease(title);
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return JSValueMakeUndefined(ctx);
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}
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namespace facebook {
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namespace react {
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void stopAndOutputProfilingFile(
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JSContextRef ctx,
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JSStringRef title,
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const char *filename) {
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JSEndProfilingAndRender(ctx, title, filename);
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}
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void addNativeProfilingHooks(JSGlobalContextRef ctx) {
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JSEnableByteCodeProfiling();
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installGlobalFunction(ctx, "nativeProfilerStart", nativeProfilerStart);
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installGlobalFunction(ctx, "nativeProfilerEnd", nativeProfilerEnd);
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}
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} }
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#endif
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