mirror of
https://github.com/zhigang1992/react-native.git
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e2bf843d86
Summary: The `RCTBridge` contains numerous definitions of notification names, which we can observe in order to get insights into the React Native performance. The Android implementation is a little different, such that you can listen for any of the [following](https://github.com/facebook/react-native/blob/master/ReactAndroid/src/main/java/com/facebook/react/bridge/ReactMarkerConstants.java) marker constants, simply by including the following code: ```java ReactMarker.addListener(new ReactMarker.MarkerListener() { Override public void logMarker(ReactMarkerConstants name, Nullable String tag, int instanceKey) { Log.d("ReactNativeEvent", "name: "+ name.name() + " tag: " + tag); } }); ``` This will allow you to perform the necessary processing, calculations as required. --- This PR enables observing for the module setup event (`RCTDidSetupModuleNotification`) by including the respective module's name & setup time in milliseconds. [iOS] [Added] - Gain insights on the module setup times by observing `RCTDidSetupModuleNotification`. The `userInfo` dictionary will contain the module name and setup time in milliseconds. These values can be extracted via `RCTDidSetupModuleNotificationModuleNameKey ` and `RCTDidSetupModuleNotificationSetupTimeKey`. Pull Request resolved: https://github.com/facebook/react-native/pull/23859 Differential Revision: D14579066 Pulled By: PeteTheHeat fbshipit-source-id: 52645127c3fc6aa5bd73e3bd471fccd79cb05c14
131 lines
2.9 KiB
Objective-C
131 lines
2.9 KiB
Objective-C
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <QuartzCore/QuartzCore.h>
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#import "RCTPerformanceLogger.h"
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#import "RCTRootView.h"
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#import "RCTLog.h"
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#import "RCTProfile.h"
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@interface RCTPerformanceLogger ()
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{
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int64_t _data[RCTPLSize][2];
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NSUInteger _cookies[RCTPLSize];
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}
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@property (nonatomic, copy) NSArray<NSString *> *labelsForTags;
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@end
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@implementation RCTPerformanceLogger
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- (instancetype)init
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{
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if (self = [super init]) {
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_labelsForTags = @[
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@"ScriptDownload",
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@"ScriptExecution",
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@"RAMBundleLoad",
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@"RAMStartupCodeSize",
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@"RAMStartupNativeRequires",
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@"RAMStartupNativeRequiresCount",
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@"RAMNativeRequires",
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@"RAMNativeRequiresCount",
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@"NativeModuleInit",
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@"NativeModuleMainThread",
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@"NativeModulePrepareConfig",
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@"NativeModuleInjectConfig",
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@"NativeModuleMainThreadUsesCount",
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@"NativeModuleSetup",
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@"JSCWrapperOpenLibrary",
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@"JSCExecutorSetup",
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@"BridgeStartup",
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@"RootViewTTI",
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@"BundleSize",
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];
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}
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return self;
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}
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- (void)markStartForTag:(RCTPLTag)tag
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{
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#if RCT_PROFILE
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if (RCTProfileIsProfiling()) {
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NSString *label = _labelsForTags[tag];
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_cookies[tag] = RCTProfileBeginAsyncEvent(RCTProfileTagAlways, label, nil);
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}
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#endif
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_data[tag][0] = CACurrentMediaTime() * 1000;
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_data[tag][1] = 0;
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}
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- (void)markStopForTag:(RCTPLTag)tag
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{
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#if RCT_PROFILE
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if (RCTProfileIsProfiling()) {
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NSString *label =_labelsForTags[tag];
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RCTProfileEndAsyncEvent(RCTProfileTagAlways, @"native", _cookies[tag], label, @"RCTPerformanceLogger");
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}
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#endif
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if (_data[tag][0] != 0 && _data[tag][1] == 0) {
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_data[tag][1] = CACurrentMediaTime() * 1000;
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} else {
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RCTLogInfo(@"Unbalanced calls start/end for tag %li", (unsigned long)tag);
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}
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}
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- (void)setValue:(int64_t)value forTag:(RCTPLTag)tag
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{
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_data[tag][0] = 0;
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_data[tag][1] = value;
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}
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- (void)addValue:(int64_t)value forTag:(RCTPLTag)tag
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{
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_data[tag][0] = 0;
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_data[tag][1] += value;
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}
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- (void)appendStartForTag:(RCTPLTag)tag
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{
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_data[tag][0] = CACurrentMediaTime() * 1000;
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}
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- (void)appendStopForTag:(RCTPLTag)tag
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{
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if (_data[tag][0] != 0) {
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_data[tag][1] += CACurrentMediaTime() * 1000 - _data[tag][0];
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_data[tag][0] = 0;
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} else {
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RCTLogInfo(@"Unbalanced calls start/end for tag %li", (unsigned long)tag);
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}
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}
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- (NSArray<NSNumber *> *)valuesForTags
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{
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NSMutableArray *result = [NSMutableArray array];
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for (NSUInteger index = 0; index < RCTPLSize; index++) {
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[result addObject:@(_data[index][0])];
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[result addObject:@(_data[index][1])];
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}
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return result;
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}
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- (int64_t)durationForTag:(RCTPLTag)tag
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{
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return _data[tag][1] - _data[tag][0];
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}
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- (int64_t)valueForTag:(RCTPLTag)tag
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{
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return _data[tag][1];
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}
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@end
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