Bump up the buffer size and show a warning if the trace might be trun…

…cated Summary: The current buffer size isn't enough even to capture a short TTI trace. Reviewed By: mhorowitz Differential Revision: D10112538 fbshipit-source-id: 266fa6ffa916049245b21d7725a364d75589c776
facebook · Oct 2, 2018 · 1fc8a46 · 1fc8a46
1 parent ff084a4
commit 1fc8a46
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/React/CxxBridge/RCTCxxBridge.mm b/React/CxxBridge/RCTCxxBridge.mm
@@ -1261,6 +1261,10 @@ - (void)stopProfiling:(void (^)(NSData *))callback
       NSData *logData = [log dataUsingEncoding:NSUTF8StringEncoding];
       callback(logData);
       #if WITH_FBSYSTRACE
+      if (![RCTFBSystrace verifyTraceSize:logData.length]) {
+        RCTLogWarn(@"Your FBSystrace trace might be truncated, try to bump up the buffer size"
+                   " in RCTFBSystrace.m or capture a shorter trace");
+      }
       [RCTFBSystrace unregisterCallbacks];
       #endif
     });