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Commit 30dbaa20 authored by Sungtak Lee's avatar Sungtak Lee
Browse files

bufferpool@2.0 tune eviction params 

bufferpool tries to manage memory consumption as low as 15MB usually.
Since it is too harsh for graphic input buffer use cases, if # of
buffers are under certain threshold make bufferpool ignore total memory
consumption.

Bug: 141605804
Change-Id: I20bd0438fede018e26984e0e3bc9a2007b0bc29b
parent 6112a9c6

media/bufferpool/2.0/AccessorImpl.cpp

+3 −3
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ namespace { 
    static constexpr int64_t kLogDurationUs = 5000000; // 5 secs



    static constexpr size_t kMinAllocBytesForEviction = 1024*1024*15;

    static constexpr size_t kMinBufferCountForEviction = 40;

    static constexpr size_t kMinBufferCountForEviction = 25;

}



// Buffer structure in bufferpool process
@@ -718,8 +718,8 @@ void Accessor::Impl::BufferPool::cleanUp(bool clearCache) { 
                  mStats.mTotalFetches, mStats.mTotalTransfers);

        }

        for (auto freeIt = mFreeBuffers.begin(); freeIt != mFreeBuffers.end();) {

            if (!clearCache && mStats.mSizeCached < kMinAllocBytesForEviction

                    && mBuffers.size() < kMinBufferCountForEviction) {

            if (!clearCache && (mStats.mSizeCached < kMinAllocBytesForEviction

                    || mBuffers.size() < kMinBufferCountForEviction)) {

                break;

            }

            auto it = mBuffers.find(*freeIt);