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/*
* Copyright (C) 2015 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 <gtest/gtest.h>
#include "event_attr.h"
#include "event_type.h"
#include "record.h"
#include "record_equal_test.h"
class RecordTest : public ::testing::Test {
protected:
virtual void SetUp() {
const EventType* type = FindEventTypeByName("cpu-cycles");
ASSERT_TRUE(type != nullptr);
event_attr = CreateDefaultPerfEventAttr(*type);
}
template <class RecordType>
void CheckRecordMatchBinary(const RecordType& record);
perf_event_attr event_attr;
};
template <class RecordType>
void RecordTest::CheckRecordMatchBinary(const RecordType& record) {
std::vector<char> binary = record.BinaryFormat();
std::vector<std::unique_ptr<Record>> records =
ReadRecordsFromBuffer(event_attr, binary.data(), binary.size());
ASSERT_EQ(1u, records.size());
CheckRecordEqual(record, *records[0]);
}
TEST_F(RecordTest, MmapRecordMatchBinary) {
MmapRecord record =
CreateMmapRecord(event_attr, true, 1, 2, 0x1000, 0x2000, 0x3000, "MmapRecord");
CheckRecordMatchBinary(record);
}
TEST_F(RecordTest, CommRecordMatchBinary) {
CommRecord record = CreateCommRecord(event_attr, 1, 2, "CommRecord");
CheckRecordMatchBinary(record);
}
TEST_F(RecordTest, RecordCache_smoke) {
event_attr.sample_id_all = 1;
event_attr.sample_type |= PERF_SAMPLE_TIME;
RecordCache cache(event_attr, 2, 2);
MmapRecord r1 = CreateMmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300, "mmap_record1");
MmapRecord r2 = r1;
MmapRecord r3 = r1;
MmapRecord r4 = r1;
r1.sample_id.time_data.time = 3;
r2.sample_id.time_data.time = 1;
r3.sample_id.time_data.time = 4;
r4.sample_id.time_data.time = 6;
std::vector<char> buf1 = r1.BinaryFormat();
std::vector<char> buf2 = r2.BinaryFormat();
std::vector<char> buf3 = r3.BinaryFormat();
std::vector<char> buf4 = r4.BinaryFormat();
// Push r1.
cache.Push(buf1.data(), buf1.size());
ASSERT_EQ(nullptr, cache.Pop());
// Push r2.
cache.Push(buf2.data(), buf2.size());
// Pop r2.
std::unique_ptr<Record> popped_r = cache.Pop();
ASSERT_TRUE(popped_r != nullptr);
CheckRecordEqual(r2, *popped_r);
ASSERT_EQ(nullptr, cache.Pop());
// Push r3.
cache.Push(buf3.data(), buf3.size());
ASSERT_EQ(nullptr, cache.Pop());
// Push r4.
cache.Push(buf4.data(), buf4.size());
// Pop r1.
popped_r = cache.Pop();
ASSERT_TRUE(popped_r != nullptr);
CheckRecordEqual(r1, *popped_r);
// Pop r3.
popped_r = cache.Pop();
ASSERT_TRUE(popped_r != nullptr);
CheckRecordEqual(r3, *popped_r);
ASSERT_EQ(nullptr, cache.Pop());
// Pop r4.
std::vector<std::unique_ptr<Record>> last_records = cache.PopAll();
ASSERT_EQ(1u, last_records.size());
CheckRecordEqual(r4, *last_records[0]);
}
TEST_F(RecordTest, RecordCache_FIFO) {
event_attr.sample_id_all = 1;
event_attr.sample_type |= PERF_SAMPLE_TIME;
RecordCache cache(event_attr, 2, 2);
std::vector<MmapRecord> records;
for (size_t i = 0; i < 10; ++i) {
MmapRecord r = CreateMmapRecord(event_attr, true, 1, i, 0x100, 0x200, 0x300, "mmap_record1");
records.push_back(r);
std::vector<char> buf = r.BinaryFormat();
cache.Push(buf.data(), buf.size());
}
std::vector<std::unique_ptr<Record>> out_records = cache.PopAll();
ASSERT_EQ(records.size(), out_records.size());
for (size_t i = 0; i < records.size(); ++i) {
CheckRecordEqual(records[i], *out_records[i]);
}
}
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