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Commit bcbfe602 authored by Yiwei Zhang's avatar Yiwei Zhang
Browse files

Add blob cache related tracepoints 

Generally useful for getting a sense of blob cache init, cache ejection,
cache flush operations.

Bug: 277861132
Test: build and take traces
Change-Id: I8b1d7beab27845856c13ab8088a3a702553e51b0
parent a8827e9c

opengl/libs/EGL/BlobCache.cpp

+6 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
 */



//#define LOG_NDEBUG 0

#define ATRACE_TAG ATRACE_TAG_GRAPHICS



#include "BlobCache.h"
@@ -22,6 +23,7 @@ 
#include <errno.h>

#include <inttypes.h>

#include <log/log.h>

#include <utils/Trace.h>



#include <chrono>
@@ -230,6 +232,8 @@ int BlobCache::flatten(void* buffer, size_t size) const { 
}



int BlobCache::unflatten(void const* buffer, size_t size) {

    ATRACE_NAME("BlobCache::unflatten");



    // All errors should result in the BlobCache being in an empty state.

    clear();
@@ -293,6 +297,8 @@ long int BlobCache::blob_random() { 
}



void BlobCache::clean() {

    ATRACE_NAME("BlobCache::clean");



    // Remove a random cache entry until the total cache size gets below half

    // the maximum total cache size.

    while (mTotalSize > mMaxTotalSize / 2) {

opengl/libs/EGL/FileBlobCache.cpp

+7 −0
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 
 ** limitations under the License.

 */



#define ATRACE_TAG ATRACE_TAG_GRAPHICS



#include "FileBlobCache.h"



#include <errno.h>
@@ -24,6 +26,7 @@ 
#include <unistd.h>



#include <log/log.h>

#include <utils/Trace.h>



// Cache file header

static const char* cacheFileMagic = "EGL$";
@@ -51,6 +54,8 @@ FileBlobCache::FileBlobCache(size_t maxKeySize, size_t maxValueSize, size_t maxT 
        const std::string& filename)

        : BlobCache(maxKeySize, maxValueSize, maxTotalSize)

        , mFilename(filename) {

    ATRACE_CALL();



    if (mFilename.length() > 0) {

        size_t headerSize = cacheFileHeaderSize;
@@ -117,6 +122,8 @@ FileBlobCache::FileBlobCache(size_t maxKeySize, size_t maxValueSize, size_t maxT 
}



void FileBlobCache::writeToFile() {

    ATRACE_CALL();



    if (mFilename.length() > 0) {

        size_t cacheSize = getFlattenedSize();

        size_t headerSize = cacheFileHeaderSize;