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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "timing_logger.h"
#include "common_runtime_test.h"
namespace art {
class TimingLoggerTest : public CommonRuntimeTest {};
// TODO: Negative test cases (improper pairing of EndSplit, etc.)
TEST_F(TimingLoggerTest, StartEnd) {
const char* split1name = "First Split";
TimingLogger logger("StartEnd", true, false);
logger.StartTiming(split1name);
logger.EndTiming(); // Ends split1.
const auto& timings = logger.GetTimings();
EXPECT_EQ(2U, timings.size()); // Start, End splits
EXPECT_TRUE(timings[0].IsStartTiming());
EXPECT_STREQ(timings[0].GetName(), split1name);
EXPECT_TRUE(timings[1].IsEndTiming());
}
TEST_F(TimingLoggerTest, StartNewEnd) {
const char* split1name = "First Split";
const char* split2name = "Second Split";
const char* split3name = "Third Split";
TimingLogger logger("StartNewEnd", true, false);
logger.StartTiming(split1name);
logger.NewTiming(split2name);
logger.NewTiming(split3name);
logger.EndTiming();
// Get the timings and verify that they are sane.
const auto& timings = logger.GetTimings();
// 6 timings in the timing logger at this point.
EXPECT_EQ(6U, timings.size());
EXPECT_TRUE(timings[0].IsStartTiming());
EXPECT_STREQ(timings[0].GetName(), split1name);
EXPECT_TRUE(timings[1].IsEndTiming());
EXPECT_TRUE(timings[2].IsStartTiming());
EXPECT_STREQ(timings[2].GetName(), split2name);
EXPECT_TRUE(timings[3].IsEndTiming());
EXPECT_TRUE(timings[4].IsStartTiming());
EXPECT_STREQ(timings[4].GetName(), split3name);
EXPECT_TRUE(timings[5].IsEndTiming());
}
TEST_F(TimingLoggerTest, StartNewEndNested) {
const char* name1 = "First Split";
const char* name2 = "Second Split";
const char* name3 = "Third Split";
const char* name4 = "Fourth Split";
const char* name5 = "Fifth Split";
TimingLogger logger("StartNewEndNested", true, false);
logger.StartTiming(name1);
logger.NewTiming(name2); // Ends timing1.
logger.StartTiming(name3);
logger.StartTiming(name4);
logger.NewTiming(name5); // Ends timing4.
logger.EndTiming(); // Ends timing5.
logger.EndTiming(); // Ends timing3.
logger.EndTiming(); // Ends timing2.
const auto& timings = logger.GetTimings();
EXPECT_EQ(10U, timings.size());
size_t idx_1 = logger.FindTimingIndex(name1, 0);
size_t idx_2 = logger.FindTimingIndex(name2, 0);
size_t idx_3 = logger.FindTimingIndex(name3, 0);
size_t idx_4 = logger.FindTimingIndex(name4, 0);
size_t idx_5 = logger.FindTimingIndex(name5, 0);
size_t idx_6 = logger.FindTimingIndex("Not found", 0);
EXPECT_NE(idx_1, TimingLogger::kIndexNotFound);
EXPECT_NE(idx_2, TimingLogger::kIndexNotFound);
EXPECT_NE(idx_3, TimingLogger::kIndexNotFound);
EXPECT_NE(idx_4, TimingLogger::kIndexNotFound);
EXPECT_NE(idx_5, TimingLogger::kIndexNotFound);
EXPECT_EQ(idx_6, TimingLogger::kIndexNotFound);
TimingLogger::TimingData data = logger.CalculateTimingData();
EXPECT_STREQ(timings[idx_1].GetName(), name1);
EXPECT_STREQ(timings[idx_2].GetName(), name2);
EXPECT_STREQ(timings[idx_3].GetName(), name3);
EXPECT_STREQ(timings[idx_4].GetName(), name4);
EXPECT_STREQ(timings[idx_5].GetName(), name5);
}
TEST_F(TimingLoggerTest, Scoped) {
const char* outersplit = "Outer Split";
const char* innersplit1 = "Inner Split 1";
const char* innerinnersplit1 = "Inner Inner Split 1";
const char* innersplit2 = "Inner Split 2";
TimingLogger logger("Scoped", true, false);
{
TimingLogger::ScopedTiming outer(outersplit, &logger);
{
TimingLogger::ScopedTiming inner1(innersplit1, &logger);
{
TimingLogger::ScopedTiming innerinner1(innerinnersplit1, &logger);
} // Ends innerinnersplit1.
} // Ends innersplit1.
{
TimingLogger::ScopedTiming inner2(innersplit2, &logger);
} // Ends innersplit2.
} // Ends outersplit.
const size_t idx_outersplit = logger.FindTimingIndex(outersplit, 0);
const size_t idx_innersplit1 = logger.FindTimingIndex(innersplit1, 0);
const size_t idx_innerinnersplit1 = logger.FindTimingIndex(innerinnersplit1, 0);
const size_t idx_innersplit2 = logger.FindTimingIndex(innersplit2, 0);
const auto& timings = logger.GetTimings();
EXPECT_EQ(8U, timings.size()); // 4 start timings and 4 end timings.
EXPECT_GE(timings[idx_innerinnersplit1].GetTime(), timings[idx_innersplit1].GetTime());
EXPECT_GE(timings[idx_innersplit2].GetTime(), timings[idx_innersplit1].GetTime());
TimingLogger::TimingData data(logger.CalculateTimingData());
EXPECT_GE(data.GetTotalTime(idx_outersplit), data.GetTotalTime(idx_innerinnersplit1));
EXPECT_GE(data.GetTotalTime(idx_outersplit),
data.GetTotalTime(idx_innersplit1) + data.GetTotalTime(idx_innersplit2));
EXPECT_GE(data.GetTotalTime(idx_innersplit1), data.GetTotalTime(idx_innerinnersplit1));
}
TEST_F(TimingLoggerTest, ScopedAndExplicit) {
const char* outersplit = "Outer Split";
const char* innersplit = "Inner Split";
const char* innerinnersplit1 = "Inner Inner Split 1";
const char* innerinnersplit2 = "Inner Inner Split 2";
TimingLogger logger("Scoped", true, false);
logger.StartTiming(outersplit);
{
TimingLogger::ScopedTiming inner(innersplit, &logger);
logger.StartTiming(innerinnersplit1);
logger.NewTiming(innerinnersplit2); // Ends innerinnersplit1.
logger.EndTiming();
} // Ends innerinnersplit2, then innersplit.
logger.EndTiming(); // Ends outersplit.
const size_t idx_outersplit = logger.FindTimingIndex(outersplit, 0);
const size_t idx_innersplit = logger.FindTimingIndex(innersplit, 0);
const size_t idx_innerinnersplit1 = logger.FindTimingIndex(innerinnersplit1, 0);
const size_t idx_innerinnersplit2 = logger.FindTimingIndex(innerinnersplit2, 0);
const auto& timings = logger.GetTimings();
EXPECT_EQ(8U, timings.size());
EXPECT_LE(timings[idx_outersplit].GetTime(), timings[idx_innersplit].GetTime());
EXPECT_LE(timings[idx_innersplit].GetTime(), timings[idx_innerinnersplit1].GetTime());
EXPECT_LE(timings[idx_innerinnersplit1].GetTime(), timings[idx_innerinnersplit2].GetTime());
}
TEST_F(TimingLoggerTest, ThreadCpuAndMonotonic) {
TimingLogger mon_logger("Scoped", true, false, TimingLogger::TimingKind::kMonotonic);
TimingLogger cpu_logger("Scoped", true, false, TimingLogger::TimingKind::kThreadCpu);
mon_logger.StartTiming("MON");
cpu_logger.StartTiming("CPU");
sleep(2);
cpu_logger.EndTiming();
mon_logger.EndTiming();
uint64_t mon_timing = mon_logger.GetTimings()[1].GetTime() - mon_logger.GetTimings()[0].GetTime();
uint64_t cpu_timing = cpu_logger.GetTimings()[1].GetTime() - cpu_logger.GetTimings()[0].GetTime();
EXPECT_LT(cpu_timing, MsToNs(1000u));
EXPECT_GT(mon_timing, MsToNs(1000u));
EXPECT_LT(cpu_timing, mon_timing);
}
} // namespace art
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