1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "system_call_table.h"
17
18 namespace SysTuning {
19 namespace TraceStreamer {
20 enum class Index : int32_t { SYSCALL_NUMBER, TS, DUR, ITID, ARGS, RET };
SystemCallTable(const TraceDataCache * dataCache)21 SystemCallTable::SystemCallTable(const TraceDataCache *dataCache) : TableBase(dataCache)
22 {
23 tableColumn_.push_back(TableBase::ColumnInfo("syscall_number", "INTEGER"));
24 tableColumn_.push_back(TableBase::ColumnInfo("ts", "INTEGER"));
25 tableColumn_.push_back(TableBase::ColumnInfo("dur", "INTEGER"));
26 tableColumn_.push_back(TableBase::ColumnInfo("itid", "INTEGER"));
27 tableColumn_.push_back(TableBase::ColumnInfo("args", "TEXT"));
28 tableColumn_.push_back(TableBase::ColumnInfo("ret", "INTEGER"));
29 tablePriKey_.push_back("ts");
30 }
31
~SystemCallTable()32 SystemCallTable::~SystemCallTable() {}
33
CreateCursor()34 std::unique_ptr<TableBase::Cursor> SystemCallTable::CreateCursor()
35 {
36 return std::make_unique<Cursor>(dataCache_, this);
37 }
38
Cursor(const TraceDataCache * dataCache,TableBase * table)39 SystemCallTable::Cursor::Cursor(const TraceDataCache *dataCache, TableBase *table)
40 : TableBase::Cursor(dataCache, table, static_cast<uint32_t>(dataCache->GetConstSysCallData().Size())),
41 sysCallObj_(dataCache->GetConstSysCallData())
42 {
43 }
44
~Cursor()45 SystemCallTable::Cursor::~Cursor() {}
46
Column(int32_t column) const47 int32_t SystemCallTable::Cursor::Column(int32_t column) const
48 {
49 switch (static_cast<Index>(column)) {
50 case Index::SYSCALL_NUMBER:
51 sqlite3_result_int(context_, dataCache_->GetConstSysCallData().SysCallNumbersData()[CurrentRow()]);
52 break;
53 case Index::TS:
54 sqlite3_result_int64(context_, dataCache_->GetConstSysCallData().TimeStampData()[CurrentRow()]);
55 break;
56 case Index::DUR:
57 sqlite3_result_int64(context_, dataCache_->GetConstSysCallData().DursData()[CurrentRow()]);
58 break;
59 case Index::ITID:
60 sqlite3_result_int(context_, dataCache_->GetConstSysCallData().ItidsData()[CurrentRow()]);
61 break;
62 case Index::ARGS:
63 SetTypeColumnText(dataCache_->GetConstSysCallData().ArgsData()[CurrentRow()], INVALID_UINT64);
64 break;
65 case Index::RET:
66 sqlite3_result_int64(context_, dataCache_->GetConstSysCallData().RetsData()[CurrentRow()]);
67 break;
68 default:
69 TS_LOGF("Unregistered column : %d", column);
70 break;
71 }
72 return SQLITE_OK;
73 }
74 } // namespace TraceStreamer
75 } // namespace SysTuning
76