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Commit 640261cf authored by Vishnu Nair's avatar Vishnu Nair
Browse files

[sf] add a backdoor to disable transaction tracing 

Test: adb shell service call SurfaceFlinger 1041 i32 -1
Bug: 298240242
Change-Id: If07b1d538d6ae1ec43b8611183085741c281c089
parent d49c9783

services/surfaceflinger/SurfaceFlinger.cpp

+4 −1
Original line number Original line Diff line number Diff line
@@ -7027,7 +7027,10 @@ status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* r 
            }

            }

            case 1041: { // Transaction tracing

            case 1041: { // Transaction tracing

                if (mTransactionTracing) {

                if (mTransactionTracing) {

                    if (data.readInt32()) {

                    int arg = data.readInt32();

                    if (arg == -1) {

                        mTransactionTracing.reset();

                    } else if (arg > 0) {

                        // Transaction tracing is always running but allow the user to temporarily

                        // Transaction tracing is always running but allow the user to temporarily

                        // increase the buffer when actively debugging.

                        // increase the buffer when actively debugging.

                        mTransactionTracing->setBufferSize(

                        mTransactionTracing->setBufferSize(