451 lines
12 KiB
Mathematica
451 lines
12 KiB
Mathematica
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTDefines.h"
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#if RCT_DEV
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#import <dlfcn.h>
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#import <mach/mach.h>
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#import "RCTBridge.h"
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#import "RCTDevMenu.h"
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#import "RCTFPSGraph.h"
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#import "RCTInvalidating.h"
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#import "RCTJavaScriptExecutor.h"
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#import "RCTRootView.h"
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#import "RCTSparseArray.h"
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#import "RCTUIManager.h"
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static NSString *const RCTPerfMonitorKey = @"RCTPerfMonitorKey";
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typedef BOOL (*RCTJSCSetOptionType)(const char *);
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static BOOL RCTJSCSetOption(const char *option)
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{
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static RCTJSCSetOptionType setOption;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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setOption = dlsym(RTLD_DEFAULT, "_ZN3JSC7Options9setOptionEPKc");
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setOption("logGC=1");
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});
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if (setOption) {
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return setOption(option);
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} else {
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return NO;
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}
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}
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static vm_size_t RCTGetResidentMemorySize(void)
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{
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struct task_basic_info info;
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mach_msg_type_number_t size = sizeof(info);
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kern_return_t kerr = task_info(mach_task_self(),
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TASK_BASIC_INFO,
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(task_info_t)&info,
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&size);
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if (kerr != KERN_SUCCESS) {
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return 0;
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}
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return info.resident_size;
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}
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@class RCTDevMenuItem;
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@interface RCTPerfMonitor : NSObject <RCTBridgeModule, RCTInvalidating>
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@property (nonatomic, strong, readonly) RCTDevMenuItem *devMenuItem;
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@property (nonatomic, strong, readonly) UIPanGestureRecognizer *gestureRecognizer;
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@property (nonatomic, strong, readonly) UIView *container;
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@property (nonatomic, strong, readonly) UILabel *memory;
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@property (nonatomic, strong, readonly) UILabel *heap;
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@property (nonatomic, strong, readonly) UILabel *views;
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@property (nonatomic, strong, readonly) RCTFPSGraph *jsGraph;
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@property (nonatomic, strong, readonly) RCTFPSGraph *uiGraph;
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@property (nonatomic, strong, readonly) UILabel *jsGraphLabel;
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@property (nonatomic, strong, readonly) UILabel *uiGraphLabel;
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@end
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@implementation RCTPerfMonitor {
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RCTDevMenuItem *_devMenuItem;
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UIPanGestureRecognizer *_gestureRecognizer;
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UIView *_container;
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UILabel *_memory;
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UILabel *_heap;
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UILabel *_views;
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UILabel *_uiGraphLabel;
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UILabel *_jsGraphLabel;
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RCTFPSGraph *_uiGraph;
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RCTFPSGraph *_jsGraph;
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CADisplayLink *_uiDisplayLink;
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CADisplayLink *_jsDisplayLink;
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NSUInteger _heapSize;
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dispatch_queue_t _queue;
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dispatch_io_t _io;
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int _stderr;
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int _pipe[2];
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NSString *_remaining;
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}
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@synthesize bridge = _bridge;
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RCT_EXPORT_MODULE()
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- (void)invalidate
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{
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[self hide];
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}
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- (RCTDevMenuItem *)devMenuItem
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{
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if (!_devMenuItem) {
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__weak __typeof__(self) weakSelf = self;
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_devMenuItem =
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[RCTDevMenuItem toggleItemWithKey:RCTPerfMonitorKey
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title:@"Show Monitor"
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selectedTitle:@"Hide Monitor"
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handler:
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^(BOOL selected) {
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if (selected) {
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[weakSelf show];
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} else {
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[weakSelf hide];
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}
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}];
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}
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return _devMenuItem;
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}
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- (UIPanGestureRecognizer *)gestureRecognizer
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{
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if (!_gestureRecognizer) {
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_gestureRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self
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action:@selector(gesture:)];
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}
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return _gestureRecognizer;
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}
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- (UIView *)container
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{
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if (!_container) {
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_container = [[UIView alloc] initWithFrame:CGRectMake(10, 25, 180, 50)];
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_container.backgroundColor = UIColor.whiteColor;
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_container.layer.borderWidth = 2;
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_container.layer.borderColor = [UIColor grayColor].CGColor;
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[_container addGestureRecognizer:self.gestureRecognizer];
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}
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return _container;
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}
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- (UILabel *)memory
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{
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if (!_memory) {
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_memory = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 44, 50)];
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_memory.font = [UIFont systemFontOfSize:12];
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_memory.numberOfLines = 3;
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_memory.textAlignment = NSTextAlignmentCenter;
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}
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return _memory;
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}
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- (UILabel *)heap
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{
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if (!_heap) {
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_heap = [[UILabel alloc] initWithFrame:CGRectMake(44, 0, 44, 50)];
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_heap.font = [UIFont systemFontOfSize:12];
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_heap.numberOfLines = 3;
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_heap.textAlignment = NSTextAlignmentCenter;
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}
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return _heap;
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}
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- (UILabel *)views
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{
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if (!_views) {
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_views = [[UILabel alloc] initWithFrame:CGRectMake(88, 0, 44, 50)];
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_views.font = [UIFont systemFontOfSize:12];
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_views.numberOfLines = 3;
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_views.textAlignment = NSTextAlignmentCenter;
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}
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return _views;
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}
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- (RCTFPSGraph *)uiGraph
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{
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if (!_uiGraph) {
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_uiGraph = [[RCTFPSGraph alloc] initWithFrame:CGRectMake(134, 14, 40, 30)
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color:[UIColor lightGrayColor]];
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}
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return _uiGraph;
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}
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- (RCTFPSGraph *)jsGraph
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{
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if (!_jsGraph) {
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_jsGraph = [[RCTFPSGraph alloc] initWithFrame:CGRectMake(178, 14, 40, 30)
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color:[UIColor lightGrayColor]];
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}
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return _jsGraph;
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}
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- (UILabel *)uiGraphLabel
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{
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if (!_uiGraphLabel) {
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_uiGraphLabel = [[UILabel alloc] initWithFrame:CGRectMake(134, 3, 40, 10)];
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_uiGraphLabel.font = [UIFont systemFontOfSize:11];
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_uiGraphLabel.textAlignment = NSTextAlignmentCenter;
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_uiGraphLabel.text = @"UI";
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}
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return _uiGraphLabel;
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}
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- (UILabel *)jsGraphLabel
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{
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if (!_jsGraphLabel) {
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_jsGraphLabel = [[UILabel alloc] initWithFrame:CGRectMake(178, 3, 38, 10)];
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_jsGraphLabel.font = [UIFont systemFontOfSize:11];
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_jsGraphLabel.textAlignment = NSTextAlignmentCenter;
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_jsGraphLabel.text = @"JS";
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}
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return _jsGraphLabel;
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}
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- (dispatch_queue_t)methodQueue
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{
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return dispatch_get_main_queue();
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}
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- (void)setBridge:(RCTBridge *)bridge
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{
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_bridge = bridge;
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[_bridge.devMenu addItem:self.devMenuItem];
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}
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- (void)show
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{
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if (_container) {
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return;
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}
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[self.container addSubview:self.memory];
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[self.container addSubview:self.heap];
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[self.container addSubview:self.views];
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[self.container addSubview:self.uiGraph];
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[self.container addSubview:self.uiGraphLabel];
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[self redirectLogs];
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RCTJSCSetOption("logGC=1");
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[self updateStats];
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UIWindow *window = [UIApplication sharedApplication].delegate.window;
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[window addSubview:self.container];
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_uiDisplayLink = [CADisplayLink displayLinkWithTarget:self
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selector:@selector(threadUpdate:)];
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[_uiDisplayLink addToRunLoop:[NSRunLoop mainRunLoop]
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forMode:NSRunLoopCommonModes];
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id<RCTJavaScriptExecutor> executor = [_bridge valueForKey:@"javaScriptExecutor"];
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if ([executor isKindOfClass:NSClassFromString(@"RCTContextExecutor")]) {
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self.container.frame = (CGRect) {
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self.container.frame.origin, {
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self.container.frame.size.width + 44,
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self.container.frame.size.height
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}
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};
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[self.container addSubview:self.jsGraph];
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[self.container addSubview:self.jsGraphLabel];
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[executor executeBlockOnJavaScriptQueue:^{
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_jsDisplayLink = [CADisplayLink displayLinkWithTarget:self
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selector:@selector(threadUpdate:)];
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[_jsDisplayLink addToRunLoop:[NSRunLoop currentRunLoop]
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forMode:NSRunLoopCommonModes];
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}];
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}
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}
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- (void)hide
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{
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if (!_container) {
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return;
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}
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[self.container removeFromSuperview];
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_container = nil;
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_jsGraph = nil;
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_uiGraph = nil;
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RCTJSCSetOption("logGC=0");
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[self stopLogs];
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[_uiDisplayLink invalidate];
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[_jsDisplayLink invalidate];
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_uiDisplayLink = nil;
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_jsDisplayLink = nil;
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}
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- (void)redirectLogs
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{
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_stderr = dup(STDERR_FILENO);
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if (pipe(_pipe) != 0) {
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return;
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}
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dup2(_pipe[1], STDERR_FILENO);
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close(_pipe[1]);
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__weak __typeof__(self) weakSelf = self;
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_queue = dispatch_queue_create("com.facebook.react.RCTPerfMonitor", DISPATCH_QUEUE_SERIAL);
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_io = dispatch_io_create(
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DISPATCH_IO_STREAM,
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_pipe[0],
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_queue,
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^(__unused int error) {});
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dispatch_io_set_low_water(_io, 20);
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dispatch_io_read(
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_io,
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0,
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SIZE_MAX,
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_queue,
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^(__unused bool done, dispatch_data_t data, __unused int error) {
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if (!data) {
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return;
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}
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dispatch_data_apply(
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data,
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^bool(
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__unused dispatch_data_t region,
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__unused size_t offset,
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const void *buffer,
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size_t size
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) {
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write(_stderr, buffer, size);
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NSString *log = [[NSString alloc] initWithBytes:buffer
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length:size
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encoding:NSUTF8StringEncoding];
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[weakSelf parse:log];
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return true;
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});
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});
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}
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- (void)stopLogs
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{
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dup2(_stderr, STDERR_FILENO);
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dispatch_io_close(_io, 0);
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}
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- (void)parse:(NSString *)log
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{
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static NSRegularExpression *GCRegex;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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NSString *pattern = @"\\[GC: (Eden|Full)Collection, (?:Skipped copying|Did copy), ([\\d\\.]+) (\\wb), ([\\d.]+) (\\ws)\\]";
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GCRegex = [NSRegularExpression regularExpressionWithPattern:pattern
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options:0
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error:nil];
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});
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if (_remaining) {
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log = [_remaining stringByAppendingString:log];
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_remaining = nil;
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}
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NSArray *lines = [log componentsSeparatedByString:@"\n"];
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if (lines.count == 1) { // no newlines
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_remaining = log;
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return;
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}
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for (NSString *line in lines) {
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NSTextCheckingResult *match = [GCRegex firstMatchInString:line options:0 range:NSMakeRange(0, line.length)];
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if (match) {
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NSString *heapSizeStr = [line substringWithRange:[match rangeAtIndex:2]];
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_heapSize = [heapSizeStr integerValue];
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}
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}
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}
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- (void)updateStats
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{
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RCTSparseArray *views = [_bridge.uiManager valueForKey:@"viewRegistry"];
|
||
|
|
NSUInteger viewCount = views.count;
|
||
|
|
NSUInteger visibleViewCount = 0;
|
||
|
|
for (UIView *view in views.allObjects) {
|
||
|
|
if (view.window || view.superview.window) {
|
||
|
|
visibleViewCount++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
double mem = (double)RCTGetResidentMemorySize() / 1024 / 1024;
|
||
|
|
self.memory.text =[NSString stringWithFormat:@"RAM\n%.2lf\nMB", mem];
|
||
|
|
self.heap.text = [NSString stringWithFormat:@"JSC\n%.2lf\nMB", (double)_heapSize / 1024];
|
||
|
|
self.views.text = [NSString stringWithFormat:@"Views\n%lu\n%lu", (unsigned long)visibleViewCount, (unsigned long)viewCount];
|
||
|
|
|
||
|
|
__weak __typeof__(self) weakSelf = self;
|
||
|
|
dispatch_after(
|
||
|
|
dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)),
|
||
|
|
dispatch_get_main_queue(),
|
||
|
|
^{
|
||
|
|
__strong __typeof__(weakSelf) strongSelf = weakSelf;
|
||
|
|
if (strongSelf && strongSelf->_container.superview) {
|
||
|
|
[strongSelf updateStats];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)gesture:(UIPanGestureRecognizer *)gestureRecognizer
|
||
|
|
{
|
||
|
|
CGPoint translation = [gestureRecognizer translationInView:self.container.superview];
|
||
|
|
self.container.center = CGPointMake(
|
||
|
|
self.container.center.x + translation.x,
|
||
|
|
self.container.center.y + translation.y
|
||
|
|
);
|
||
|
|
[gestureRecognizer setTranslation:CGPointMake(0, 0)
|
||
|
|
inView:self.container.superview];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)threadUpdate:(CADisplayLink *)displayLink
|
||
|
|
{
|
||
|
|
RCTFPSGraph *graph = displayLink == _jsDisplayLink ? _jsGraph : _uiGraph;
|
||
|
|
[graph onTick:displayLink.timestamp];
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|
||
|
|
|
||
|
|
#endif
|