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Commit c486ab38 authored by Peter Collingbourne's avatar Peter Collingbourne
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Add support for a hw_timeout_multiplier system property. 

In order to test the platform in emulators that are orders of magnitude
slower than real hardware we need to be able to avoid hitting timeouts
that prevent it from coming up properly. For this purpose introduce
a system property, ro.hw_timeout_multiplier, which may be set to
an integer value that acts as a multiplier for various timeouts on
the system.

Bug: 178231152
Change-Id: I6d7710beed0c4c5b1720e74e7abe3a586778c678
Merged-In: I6d7710beed0c4c5b1720e74e7abe3a586778c678
parent 682f459f

services/inputflinger/dispatcher/InputDispatcher.cpp

+3 −1
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@ static constexpr bool DEBUG_FOCUS = false; 
#include <sstream>



#include <android-base/chrono_utils.h>

#include <android-base/properties.h>

#include <android-base/stringprintf.h>

#include <binder/Binder.h>

#include <input/InputDevice.h>
@@ -72,13 +73,14 @@ static constexpr bool DEBUG_FOCUS = false; 
#define INDENT3 "      "

#define INDENT4 "        "



using android::base::HwTimeoutMultiplier;

using android::base::StringPrintf;



namespace android::inputdispatcher {



// Default input dispatching timeout if there is no focused application or paused window

// from which to determine an appropriate dispatching timeout.

constexpr std::chrono::nanoseconds DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5s;

const std::chrono::nanoseconds DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5s * HwTimeoutMultiplier();



// Amount of time to allow for all pending events to be processed when an app switch

// key is on the way.  This is used to preempt input dispatch and drop input events