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Expose JS hooks to profile async events

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Summary: public

Expose JS hooks to add async events to Systrace from JS.

Reviewed By: mikearmstrong001

Differential Revision: D2702739

fb-gh-sync-id: 906849d3819a914c521b9315e396c75946c9211d
This commit is contained in:
Tadeu Zagallo
2015-12-01 05:06:45 -08:00
committed by facebook-github-bot-7
parent 7377fdcc70
commit 8ec052a727
1 changed files with 15 additions and 1 deletions
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16
React/Executors/RCTContextExecutor.m
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@@ -352,7 +352,7 @@ static void RCTInstallJSCProfiler(RCTBridge *bridge, JSContextRef context)
[bridge handleBuffer:calls batchEnded:NO];
};
strongSelf->_context.context[@"RCTPerformanceNow"] = ^(){
strongSelf->_context.context[@"RCTPerformanceNow"] = ^{
return CACurrentMediaTime() * 1000 * 1000;
};
@@ -361,6 +361,20 @@ static void RCTInstallJSCProfiler(RCTBridge *bridge, JSContextRef context)
strongSelf->_context.context[@"__RCTProfileIsProfiling"] = @YES;
}
CFMutableDictionaryRef cookieMap = CFDictionaryCreateMutable(NULL, 0, NULL, NULL);
strongSelf->_context.context[@"nativeTraceBeginAsyncSection"] = ^(uint64_t tag, NSString *name, NSUInteger cookie) {
NSUInteger newCookie = RCTProfileBeginAsyncEvent(tag, name, nil);
CFDictionarySetValue(cookieMap, (const void *)cookie, (const void *)newCookie);
return;
};
strongSelf->_context.context[@"nativeTraceEndAsyncSection"] = ^(uint64_t tag, NSString *name, NSUInteger cookie) {
NSUInteger newCookie = (NSUInteger)CFDictionaryGetValue(cookieMap, (const void *)cookie);
RCTProfileEndAsyncEvent(tag, @"js,async", newCookie, name, nil);
CFDictionaryRemoveValue(cookieMap, (const void *)cookie);
return;
};
[strongSelf _addNativeHook:RCTNativeTraceBeginSection withName:"nativeTraceBeginSection"];
[strongSelf _addNativeHook:RCTNativeTraceEndSection withName:"nativeTraceEndSection"];