/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "src/trace_processor/thread_table.h"
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#include "src/trace_processor/args_tracker.h"
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#include "src/trace_processor/event_tracker.h"
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#include "src/trace_processor/process_table.h"
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#include "src/trace_processor/process_tracker.h"
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#include "src/trace_processor/scoped_db.h"
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#include "src/trace_processor/trace_processor_context.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace perfetto {
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namespace trace_processor {
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namespace {
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class ThreadTableUnittest : public ::testing::Test {
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public:
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ThreadTableUnittest() {
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sqlite3* db = nullptr;
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PERFETTO_CHECK(sqlite3_open(":memory:", &db) == SQLITE_OK);
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db_.reset(db);
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context_.storage.reset(new TraceStorage());
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context_.args_tracker.reset(new ArgsTracker(&context_));
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context_.process_tracker.reset(new ProcessTracker(&context_));
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context_.event_tracker.reset(new EventTracker(&context_));
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ThreadTable::RegisterTable(db_.get(), context_.storage.get());
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ProcessTable::RegisterTable(db_.get(), context_.storage.get());
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}
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void PrepareValidStatement(const std::string& sql) {
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int size = static_cast<int>(sql.size());
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sqlite3_stmt* stmt;
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ASSERT_EQ(sqlite3_prepare_v2(*db_, sql.c_str(), size, &stmt, nullptr),
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SQLITE_OK);
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stmt_.reset(stmt);
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}
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const char* GetColumnAsText(int colId) {
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return reinterpret_cast<const char*>(sqlite3_column_text(*stmt_, colId));
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}
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~ThreadTableUnittest() override { context_.storage->ResetStorage(); }
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protected:
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TraceProcessorContext context_;
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ScopedDb db_;
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ScopedStmt stmt_;
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};
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TEST_F(ThreadTableUnittest, Select) {
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uint32_t cpu = 3;
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int64_t timestamp = 100;
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uint32_t prev_state = 32;
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static const char kThreadName1[] = "thread1";
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static const char kThreadName2[] = "thread2";
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int32_t prio = 1024;
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context_.event_tracker->PushSchedSwitch(cpu, timestamp, /*tid=*/1,
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kThreadName2, prio, prev_state,
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/*tid=*/4, kThreadName1, prio);
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context_.event_tracker->PushSchedSwitch(cpu, timestamp + 1, /*tid=*/4,
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kThreadName1, prio, prev_state,
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/*tid=*/1, kThreadName2, prio);
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context_.process_tracker->UpdateProcess(2, base::nullopt, "test");
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context_.process_tracker->UpdateThread(4 /*tid*/, 2 /*pid*/);
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PrepareValidStatement("SELECT utid, upid, tid, name FROM thread where tid=4");
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ASSERT_EQ(sqlite3_step(*stmt_), SQLITE_ROW);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 0), 1 /* utid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 1), 1 /* upid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 2), 4 /* tid */);
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ASSERT_STREQ(GetColumnAsText(3), kThreadName1);
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ASSERT_EQ(sqlite3_step(*stmt_), SQLITE_DONE);
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}
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TEST_F(ThreadTableUnittest, SelectWhere) {
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uint32_t cpu = 3;
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int64_t timestamp = 100;
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uint32_t prev_state = 32;
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static const char kThreadName1[] = "thread1";
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static const char kThreadName2[] = "thread2";
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int32_t prio = 1024;
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context_.event_tracker->PushSchedSwitch(cpu, timestamp, /*tid=*/1,
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kThreadName2, prio, prev_state,
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/*tid=*/4, kThreadName1, prio);
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context_.event_tracker->PushSchedSwitch(cpu, timestamp + 1, /*tid=*/4,
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kThreadName1, prio, prev_state,
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/*tid=*/1, kThreadName2, prio);
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context_.event_tracker->PushSchedSwitch(cpu, timestamp + 2, /*tid=*/1,
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kThreadName2, prio, prev_state,
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/*tid=*/4, kThreadName1, prio);
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context_.process_tracker->UpdateProcess(2, base::nullopt, "test");
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context_.process_tracker->UpdateThread(4 /*tid*/, 2 /*pid*/);
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context_.process_tracker->UpdateThread(1 /*tid*/, 2 /*pid*/);
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PrepareValidStatement(
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"SELECT utid, upid, tid, name FROM thread where tid = 4");
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ASSERT_EQ(sqlite3_step(*stmt_), SQLITE_ROW);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 0), 1 /* utid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 1), 1 /* upid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 2), 4 /* tid */);
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ASSERT_STREQ(GetColumnAsText(3), kThreadName1);
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ASSERT_EQ(sqlite3_step(*stmt_), SQLITE_DONE);
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}
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TEST_F(ThreadTableUnittest, JoinWithProcess) {
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uint32_t cpu = 3;
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int64_t timestamp = 100;
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uint32_t prev_state = 32;
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static const char kThreadName1[] = "thread1";
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static const char kThreadName2[] = "thread2";
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int32_t prio = 1024;
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context_.event_tracker->PushSchedSwitch(cpu, timestamp, /*tid=*/1,
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kThreadName2, prio, prev_state,
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/*tid=*/4, kThreadName1, prio);
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context_.event_tracker->PushSchedSwitch(cpu, timestamp + 1, /*tid=*/4,
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kThreadName1, prio, prev_state,
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/*tid=*/1, kThreadName2, prio);
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// Also create a process for which we haven't seen any thread.
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context_.process_tracker->UpdateProcess(7, base::nullopt, "pid7");
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context_.process_tracker->UpdateProcess(2, base::nullopt, "pid2");
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context_.process_tracker->UpdateThread(/*tid=*/4, /*pid=*/2);
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PrepareValidStatement(
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"SELECT utid, thread.tid, thread.name, process.upid, process.pid, "
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"process.name FROM thread INNER JOIN process USING (upid) WHERE pid = 2 "
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"ORDER BY tid");
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// At this point we should see two threads bound to process with pid=2:
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// (1) The (implicitly created) main thread (tid=pid=2).
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ASSERT_EQ(sqlite3_step(*stmt_), SQLITE_ROW);
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auto utid_for_tid2 = sqlite3_column_int(*stmt_, 0);
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ASSERT_GT(utid_for_tid2, 0);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 1), 2 /* tid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 4), 2 /* pid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 3), 2 /* upid */);
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ASSERT_EQ(GetColumnAsText(2), nullptr); // No name seen for main thread.
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ASSERT_STREQ(GetColumnAsText(5), "pid2");
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// (2) A thread with tid=4.
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ASSERT_EQ(sqlite3_step(*stmt_), SQLITE_ROW);
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auto utid_for_tid4 = sqlite3_column_int(*stmt_, 0);
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ASSERT_GT(utid_for_tid4, 0);
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ASSERT_NE(utid_for_tid4, utid_for_tid2);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 1), 4 /* tid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 4), 2 /* pid */);
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ASSERT_EQ(sqlite3_column_int(*stmt_, 3), 2 /* upid */);
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ASSERT_STREQ(GetColumnAsText(2), kThreadName1);
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ASSERT_STREQ(GetColumnAsText(5), "pid2");
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ASSERT_EQ(sqlite3_step(*stmt_), SQLITE_DONE);
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}
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} // namespace
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} // namespace trace_processor
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} // namespace perfetto
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