react-native/React/Base/RCTPerformanceLogger.m

145 lines
3.6 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <QuartzCore/QuartzCore.h>
#import "RCTPerformanceLogger.h"
#import "RCTRootView.h"
#import "RCTLog.h"
#import "RCTProfile.h"
static int64_t RCTPLData[RCTPLSize][2] = {};
static NSUInteger RCTPLCookies[RCTPLSize] = {};
void RCTPerformanceLoggerStart(RCTPLTag tag)
{
if (RCTProfileIsProfiling()) {
NSString *label = RCTPerformanceLoggerLabels()[tag];
RCTPLCookies[tag] = RCTProfileBeginAsyncEvent(0, label, nil);
}
RCTPLData[tag][0] = CACurrentMediaTime() * 1000;
RCTPLData[tag][1] = 0;
}
void RCTPerformanceLoggerEnd(RCTPLTag tag)
{
if (RCTPLData[tag][0] != 0 && RCTPLData[tag][1] == 0) {
RCTPLData[tag][1] = CACurrentMediaTime() * 1000;
if (RCTProfileIsProfiling()) {
NSString *label = RCTPerformanceLoggerLabels()[tag];
RCTProfileEndAsyncEvent(0, @"native", RCTPLCookies[tag], label, @"RCTPerformanceLogger", nil);
}
} else {
RCTLogInfo(@"Unbalanced calls start/end for tag %li", (unsigned long)tag);
}
}
void RCTPerformanceLoggerSet(RCTPLTag tag, int64_t value)
{
RCTPLData[tag][0] = 0;
RCTPLData[tag][1] = value;
}
void RCTPerformanceLoggerAdd(RCTPLTag tag, int64_t value)
{
RCTPLData[tag][0] = 0;
RCTPLData[tag][1] += value;
}
void RCTPerformanceLoggerAppendStart(RCTPLTag tag)
{
RCTPLData[tag][0] = CACurrentMediaTime() * 1000;
}
void RCTPerformanceLoggerAppendEnd(RCTPLTag tag)
{
if (RCTPLData[tag][0] != 0) {
RCTPLData[tag][1] += CACurrentMediaTime() * 1000 - RCTPLData[tag][0];
RCTPLData[tag][0] = 0;
} else {
RCTLogInfo(@"Unbalanced calls start/end for tag %li", (unsigned long)tag);
}
}
NSArray<NSNumber *> *RCTPerformanceLoggerOutput(void)
{
NSMutableArray *result = [NSMutableArray array];
for (NSUInteger index = 0; index < RCTPLSize; index++) {
[result addObject:@(RCTPLData[index][0])];
[result addObject:@(RCTPLData[index][1])];
}
return result;
}
NSArray *RCTPerformanceLoggerLabels(void)
{
static NSArray *labels;
static dispatch_once_t token;
dispatch_once(&token, ^{
labels = @[
@"ScriptDownload",
@"ScriptExecution",
@"RAMBundleLoad",
@"RAMStartupCodeSize",
@"RAMNativeRequires",
@"RAMNativeRequiresCount",
@"RAMNativeRequiresSize",
@"NativeModuleInit",
@"NativeModuleMainThread",
@"NativeModulePrepareConfig",
@"NativeModuleInjectConfig",
@"NativeModuleMainThreadUsesCount",
@"JSCExecutorSetup",
@"BridgeStartup",
@"RootViewTTI",
@"BundleSize",
];
});
return labels;
}
@interface RCTPerformanceLogger : NSObject <RCTBridgeModule>
@end
@implementation RCTPerformanceLogger
RCT_EXPORT_MODULE()
@synthesize bridge = _bridge;
- (void)setBridge:(RCTBridge *)bridge
{
_bridge = bridge;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(sendTimespans)
name:RCTContentDidAppearNotification
object:nil];
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
- (void)sendTimespans
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[_bridge enqueueJSCall:@"PerformanceLogger.addTimespans" args:@[
RCTPerformanceLoggerOutput(),
RCTPerformanceLoggerLabels(),
]];
}
@end