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Commit 9eb9d90c authored by Jeffrey Huang's avatar Jeffrey Huang Committed by Automerger Merge Worker
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Merge "Avoid timestamp update when data is kept on dump" into rvc-dev am:... 

Merge "Avoid timestamp update when data is kept on dump" into rvc-dev am: 0017b441 am: 3046d458 am: 3c1f62cc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11829658

Change-Id: I5097b9964972eec9960520fba34a7194b9ba51b5
parents 5123bcc4 3c1f62cc

cmds/statsd/src/metrics/MetricsManager.cpp

+6 −2
Original line number Diff line number Diff line
@@ -361,8 +361,12 @@ void MetricsManager::onDumpReport(const int64_t dumpTimeStampNs, 
        protoOutput->end(token);

    }



    // Do not update the timestamps when data is not cleared to avoid timestamps from being

    // misaligned.

    if (erase_data) {

        mLastReportTimeNs = dumpTimeStampNs;

        mLastReportWallClockNs = getWallClockNs();

    }

    VLOG("=========================Metric Reports End==========================");

}

cmds/statsd/tests/StatsLogProcessor_test.cpp

+42 −0
Original line number Diff line number Diff line
@@ -1831,6 +1831,48 @@ TEST(StatsLogProcessorTest_mapIsolatedUidToHostUid, LogIsolatedUidAttributionCha 
    EXPECT_EQ(field2, actualFieldValues->at(5).mValue.int_value);

}



TEST(StatsLogProcessorTest, TestDumpReportWithoutErasingDataDoesNotUpdateTimestamp) {

    int hostUid = 20;

    int isolatedUid = 30;

    sp<MockUidMap> mockUidMap = makeMockUidMapForOneHost(hostUid, {isolatedUid});

    ConfigKey key(3, 4);

    StatsdConfig config = MakeConfig(false);

    sp<StatsLogProcessor> processor =

            CreateStatsLogProcessor(1, 1, config, key, nullptr, 0, mockUidMap);

    vector<uint8_t> bytes;



    int64_t dumpTime1Ns = 1 * NS_PER_SEC;

    processor->onDumpReport(key, dumpTime1Ns, false /* include_current_bucket */,

            true /* erase_data */, ADB_DUMP, FAST, &bytes);



    ConfigMetricsReportList output;

    output.ParseFromArray(bytes.data(), bytes.size());

    EXPECT_EQ(output.reports_size(), 1);

    EXPECT_EQ(output.reports(0).current_report_elapsed_nanos(), dumpTime1Ns);



    int64_t dumpTime2Ns = 5 * NS_PER_SEC;

    processor->onDumpReport(key, dumpTime2Ns, false /* include_current_bucket */,

            false /* erase_data */, ADB_DUMP, FAST, &bytes);



    // Check that the dump report without clearing data is successful.

    output.ParseFromArray(bytes.data(), bytes.size());

    EXPECT_EQ(output.reports_size(), 1);

    EXPECT_EQ(output.reports(0).current_report_elapsed_nanos(), dumpTime2Ns);

    EXPECT_EQ(output.reports(0).last_report_elapsed_nanos(), dumpTime1Ns);



    int64_t dumpTime3Ns = 10 * NS_PER_SEC;

    processor->onDumpReport(key, dumpTime3Ns, false /* include_current_bucket */,

            true /* erase_data */, ADB_DUMP, FAST, &bytes);



    // Check that the previous dump report that didn't clear data did not overwrite the first dump's

    // timestamps.

    output.ParseFromArray(bytes.data(), bytes.size());

    EXPECT_EQ(output.reports_size(), 1);

    EXPECT_EQ(output.reports(0).current_report_elapsed_nanos(), dumpTime3Ns);

    EXPECT_EQ(output.reports(0).last_report_elapsed_nanos(), dumpTime1Ns);



}



#else

GTEST_LOG_(INFO) << "This test does nothing.\n";

#endif