VirtualBox

source: vbox/trunk/src/VBox/Runtime/testcase/tstRTPrfIO.cpp@ 93115

Last change on this file since 93115 was 93115, checked in by vboxsync, 3 years ago

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1/* $Id: tstRTPrfIO.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2/** @file
3 * IPRT Testcase - Profile IPRT I/O APIs.
4 */
5
6/*
7 * Copyright (C) 2010-2022 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include <iprt/file.h>
32#include <iprt/dir.h>
33#include <iprt/fs.h>
34
35#include <iprt/err.h>
36#include <iprt/getopt.h>
37#include <iprt/param.h>
38#include <iprt/path.h>
39#include <iprt/string.h>
40#include <iprt/test.h>
41#include <iprt/time.h>
42
43
44/*********************************************************************************************************************************
45* Global Variables *
46*********************************************************************************************************************************/
47/** The test instance handle. */
48static RTTEST g_hTest;
49/** The max number of nanoseconds to benchmark an operation. */
50static uint64_t g_cNsPerOperation = 1000*1000*1000;
51/** The max operation count. */
52static uint32_t g_cMaxOperations = 1000000;
53/** The path to the test directory. */
54static const char *g_pszTestDir = ".";
55
56/** The path to the primary test file. */
57static char g_szTestFile1[RTPATH_MAX];
58/** The path to the primary test directory. */
59static char g_szTestDir1[RTPATH_MAX];
60
61/** The path to a nonexistent file in an existing directory. */
62static char g_szNotExitingFile[RTPATH_MAX];
63/** The path to a nonexistent directory. */
64static char g_szNotExitingDir[RTPATH_MAX];
65/** The path to a nonexistent file in a nonexistent directory. */
66static char g_szNotExitingDirFile[RTPATH_MAX];
67
68
69/*********************************************************************************************************************************
70* Defined Constants And Macros *
71*********************************************************************************************************************************/
72
73/**
74 * Benchmark an operation.
75 * @param stmt Statement to benchmark.
76 * @param what String literal describing what's being benchmarked..
77 */
78#define TIME_OP(stmt, what) \
79 do \
80 { \
81 /* warm-up */ \
82 stmt; \
83 stmt; \
84 \
85 /* the real thing */ \
86 uint32_t cOps = 0; \
87 uint64_t cNsElapsed = 0; \
88 uint64_t u64StartTS = RTTimeNanoTS(); \
89 for (;;) \
90 { \
91 stmt; \
92 cOps++; \
93 if ((cOps & 127) == 127) \
94 { \
95 cNsElapsed = RTTimeNanoTS() - u64StartTS; \
96 if (cNsElapsed >= g_cNsPerOperation || cOps >= g_cMaxOperations) \
97 break; \
98 } \
99 } \
100 RTTestValue(g_hTest, what, cNsElapsed / cOps, RTTESTUNIT_NS_PER_CALL); \
101 RTTestValue(g_hTest, what " cps", UINT64_C(10000000000) / (cNsElapsed * 10 / cOps), RTTESTUNIT_CALLS_PER_SEC); \
102 } while (0)
103
104
105
106static void benchmarkPathQueryInfo(void)
107{
108 RTTestSub(g_hTest, "RTPathQueryInfo");
109
110 RTFSOBJINFO ObjInfo;
111
112 RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_szNotExitingFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), VERR_FILE_NOT_FOUND);
113 TIME_OP(RTPathQueryInfo(g_szNotExitingFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_szNotExitingFile)");
114
115 int rc = RTPathQueryInfo(g_szNotExitingDirFile, &ObjInfo, RTFSOBJATTRADD_NOTHING);
116 RTTESTI_CHECK_RETV(rc == VERR_PATH_NOT_FOUND || VERR_FILE_NOT_FOUND);
117 TIME_OP(RTPathQueryInfo(g_szNotExitingDirFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_szNotExitingDirFile)");
118
119 RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
120 TIME_OP(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_pszTestDir)");
121
122 RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_UNIX), VINF_SUCCESS);
123 TIME_OP(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_UNIX), "RTPathQueryInfo(g_pszTestDir,UNIX)");
124
125 RTTestSubDone(g_hTest);
126}
127
128
129DECL_FORCE_INLINE(int) benchmarkFileOpenCloseOp(const char *pszFilename)
130{
131 RTFILE hFile;
132 int rc = RTFileOpen(&hFile, pszFilename, RTFILE_O_READ | RTFILE_O_DENY_NONE | RTFILE_O_OPEN);
133 if (RT_SUCCESS(rc))
134 rc = RTFileClose(hFile);
135 return rc;
136}
137
138static void benchmarkFileOpenClose(void)
139{
140 RTTestSub(g_hTest, "RTFileOpen + RTFileClose");
141
142 RTTESTI_CHECK_RC_RETV(benchmarkFileOpenCloseOp(g_szNotExitingFile), VERR_FILE_NOT_FOUND);
143 TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingFile), "RTFileOpen(g_szNotExitingFile)");
144
145 RTTESTI_CHECK_RC_RETV(benchmarkFileOpenCloseOp(g_szNotExitingFile), VERR_FILE_NOT_FOUND);
146 TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingFile), "RTFileOpen(g_szNotExitingFile)");
147
148 int rc = benchmarkFileOpenCloseOp(g_szNotExitingDirFile);
149 RTTESTI_CHECK_RETV(rc == VERR_PATH_NOT_FOUND || VERR_FILE_NOT_FOUND);
150 TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingDirFile), "RTFileOpen(g_szNotExitingDirFile)");
151
152 RTTestSubDone(g_hTest);
153}
154
155
156static void benchmarkFileWriteByte(void)
157{
158 RTTestSub(g_hTest, "RTFileWrite(byte)");
159
160 RTFILE hFile;
161
162 RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile, g_szTestFile1,
163 RTFILE_O_WRITE | RTFILE_O_DENY_NONE | RTFILE_O_CREATE_REPLACE
164 | (0655 << RTFILE_O_CREATE_MODE_SHIFT)),
165 VINF_SUCCESS);
166 static const char s_szContent[] = "0123456789abcdef";
167 uint32_t offContent = 0;
168 int rc;;
169 RTTESTI_CHECK_RC(rc = RTFileWrite(hFile, &s_szContent[offContent++ % RT_ELEMENTS(s_szContent)], 1, NULL), VINF_SUCCESS);
170 if (RT_SUCCESS(rc))
171 {
172 TIME_OP(RTFileWrite(hFile, &s_szContent[offContent++ % RT_ELEMENTS(s_szContent)], 1, NULL), "RTFileWrite(byte)");
173 }
174 RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
175
176 RTTestSubDone(g_hTest);
177}
178
179
180
181int main(int argc, char **argv)
182{
183 RTEXITCODE rcExit = RTTestInitAndCreate("tstRTPrfIO", &g_hTest);
184 if (rcExit != RTEXITCODE_SUCCESS)
185 return rcExit;
186 RTTestBanner(g_hTest);
187
188 /*
189 * Parse arguments
190 */
191 static const RTGETOPTDEF s_aOptions[] =
192 {
193 { "--test-dir", 'd', RTGETOPT_REQ_STRING },
194 };
195 bool fFileOpenCloseTest = true;
196 bool fFileWriteByteTest = true;
197 bool fPathQueryInfoTest = true;
198 //bool fFileTests = true;
199 //bool fDirTests = true;
200
201 int ch;
202 RTGETOPTUNION ValueUnion;
203 RTGETOPTSTATE GetState;
204 RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0);
205 while ((ch = RTGetOpt(&GetState, &ValueUnion)))
206 {
207 switch (ch)
208 {
209 case 'd':
210 g_pszTestDir = ValueUnion.psz;
211 break;
212
213 case 'V':
214 RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "$Revision: 93115 $\n");
215 return RTTestSummaryAndDestroy(g_hTest);
216
217 case 'h':
218 RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "usage: testname [-d <testdir>]\n");
219 return RTTestSummaryAndDestroy(g_hTest);
220
221 default:
222 RTTestFailed(g_hTest, "invalid argument");
223 RTGetOptPrintError(ch, &ValueUnion);
224 return RTTestSummaryAndDestroy(g_hTest);
225 }
226 }
227
228 /*
229 * Set up and check the prerequisites.
230 */
231 RTTESTI_CHECK_RC(RTPathJoin(g_szTestFile1, sizeof(g_szTestFile1), g_pszTestDir, "tstRTPrfIO-TestFile1"), VINF_SUCCESS);
232 RTTESTI_CHECK_RC(RTPathJoin(g_szTestDir1, sizeof(g_szTestDir1), g_pszTestDir, "tstRTPrfIO-TestDir1"), VINF_SUCCESS);
233 RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingFile, sizeof(g_szNotExitingFile), g_pszTestDir, "tstRTPrfIO-nonexistent-file"), VINF_SUCCESS);
234 RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingDir, sizeof(g_szNotExitingDir), g_pszTestDir, "tstRTPrfIO-nonexistent-dir"), VINF_SUCCESS);
235 RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingDirFile, sizeof(g_szNotExitingDirFile), g_szNotExitingDir, "nonexistent-file"), VINF_SUCCESS);
236 RTTESTI_CHECK(RTDirExists(g_pszTestDir));
237 if (RTPathExists(g_szTestDir1))
238 RTTestFailed(g_hTest, "The primary test directory (%s) already exist, please remove it", g_szTestDir1);
239 if (RTPathExists(g_szTestFile1))
240 RTTestFailed(g_hTest, "The primary test file (%s) already exist, please remove it", g_szTestFile1);
241 if (RTPathExists(g_szNotExitingFile))
242 RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingFile);
243 if (RTPathExists(g_szNotExitingDir))
244 RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingDir);
245 if (RTPathExists(g_szNotExitingDirFile))
246 RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingDirFile);
247
248 /*
249 * Do the testing.
250 */
251 if (RTTestIErrorCount() == 0)
252 {
253#if 1
254 if (fPathQueryInfoTest)
255 benchmarkPathQueryInfo();
256 if (fFileOpenCloseTest)
257 benchmarkFileOpenClose();
258#endif
259 if (fFileWriteByteTest)
260 benchmarkFileWriteByte();
261 //if (fFileTests)
262 // benchmarkFile();
263 //if (fDirTests)
264 // benchmarkDir();
265
266 /*
267 * Cleanup.
268 */
269 RTFileDelete(g_szTestFile1);
270 RTDirRemoveRecursive(g_szTestDir1, 0);
271 RTTESTI_CHECK(RTDirExists(g_pszTestDir));
272 RTTESTI_CHECK(!RTPathExists(g_szTestDir1));
273 RTTESTI_CHECK(!RTPathExists(g_szTestFile1));
274 }
275
276 return RTTestSummaryAndDestroy(g_hTest);
277}
278
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