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Commit cec2af51 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
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Merge "SF TimeStats: add a debug function for global present to present time"

parents 5aedec95 91a8638b

services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp

+15 −4
Original line number Diff line number Diff line
@@ -13,8 +13,10 @@ 
 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include "timestatsproto/TimeStatsHelper.h"



#include <android-base/stringprintf.h>

#include <timestatsproto/TimeStatsHelper.h>

#include <inttypes.h>



#include <array>
@@ -46,6 +48,14 @@ void TimeStatsHelper::Histogram::insert(int32_t delta) { 
    hist[*iter]++;

}



int64_t TimeStatsHelper::Histogram::totalTime() const {

    int64_t ret = 0;

    for (const auto& ele : hist) {

        ret += ele.first * ele.second;

    }

    return ret;

}



float TimeStatsHelper::Histogram::averageTime() const {

    int64_t ret = 0;

    int64_t count = 0;
@@ -87,12 +97,13 @@ std::string TimeStatsHelper::TimeStatsLayer::toString() const { 


std::string TimeStatsHelper::TimeStatsGlobal::toString(std::optional<uint32_t> maxLayers) const {

    std::string result = "SurfaceFlinger TimeStats:\n";

    StringAppendF(&result, "statsStart = %lld\n", static_cast<long long int>(statsStart));

    StringAppendF(&result, "statsEnd = %lld\n", static_cast<long long int>(statsEnd));

    StringAppendF(&result, "statsStart = %" PRId64 "\n", statsStart);

    StringAppendF(&result, "statsEnd = %" PRId64 "\n", statsEnd);

    StringAppendF(&result, "totalFrames = %d\n", totalFrames);

    StringAppendF(&result, "missedFrames = %d\n", missedFrames);

    StringAppendF(&result, "clientCompositionFrames = %d\n", clientCompositionFrames);

    StringAppendF(&result, "displayOnTime = %lld ms\n", static_cast<long long int>(displayOnTime));

    StringAppendF(&result, "displayOnTime = %" PRId64 " ms\n", displayOnTime);

    StringAppendF(&result, "totalP2PTime = %" PRId64 " ms\n", presentToPresent.totalTime());

    StringAppendF(&result, "presentToPresent histogram is as below:\n");

    result.append(presentToPresent.toString());

    const auto dumpStats = generateDumpStats(maxLayers);

services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ public: 
        std::unordered_map<int32_t, int32_t> hist;



        void insert(int32_t delta);

        int64_t totalTime() const;

        float averageTime() const;

        std::string toString() const;

    };