nsprpub/pr/tests/stat.c@b8a032363ba2 (annotated)
nsprpub/pr/tests/stat.c
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * Program to test different ways to get file info; right now it |
| michael@0 | 8 | * only works for solaris and OS/2. |
| michael@0 | 9 | * |
| michael@0 | 10 | */ |
| michael@0 | 11 | #include "nspr.h" |
| michael@0 | 12 | #include "prpriv.h" |
| michael@0 | 13 | #include "prinrval.h" |
| michael@0 | 14 | |
| michael@0 | 15 | #include <stdio.h> |
| michael@0 | 16 | #include <stdlib.h> |
| michael@0 | 17 | #include <string.h> |
| michael@0 | 18 | |
| michael@0 | 19 | #ifdef XP_OS2 |
| michael@0 | 20 | #include <io.h> |
| michael@0 | 21 | #include <sys/types.h> |
| michael@0 | 22 | #include <sys/stat.h> |
| michael@0 | 23 | #endif |
| michael@0 | 24 | |
| michael@0 | 25 | #define DEFAULT_COUNT 100000 |
| michael@0 | 26 | PRInt32 count; |
| michael@0 | 27 | |
| michael@0 | 28 | #ifndef XP_PC |
| michael@0 | 29 | char *filename = "/etc/passwd"; |
| michael@0 | 30 | #else |
| michael@0 | 31 | char *filename = "..\\stat.c"; |
| michael@0 | 32 | #endif |
| michael@0 | 33 | |
| michael@0 | 34 | static void statPRStat(void) |
| michael@0 | 35 | { |
| michael@0 | 36 | PRFileInfo finfo; |
| michael@0 | 37 | PRInt32 index = count; |
| michael@0 | 38 | |
| michael@0 | 39 | for (;index--;) { |
| michael@0 | 40 | PR_GetFileInfo(filename, &finfo); |
| michael@0 | 41 | } |
| michael@0 | 42 | } |
| michael@0 | 43 | |
| michael@0 | 44 | static void statStat(void) |
| michael@0 | 45 | { |
| michael@0 | 46 | struct stat finfo; |
| michael@0 | 47 | PRInt32 index = count; |
| michael@0 | 48 | |
| michael@0 | 49 | for (;index--;) { |
| michael@0 | 50 | stat(filename, &finfo); |
| michael@0 | 51 | } |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | /************************************************************************/ |
| michael@0 | 55 | |
| michael@0 | 56 | static void Measure(void (*func)(void), const char *msg) |
| michael@0 | 57 | { |
| michael@0 | 58 | PRIntervalTime start, stop; |
| michael@0 | 59 | double d; |
| michael@0 | 60 | PRInt32 tot; |
| michael@0 | 61 | |
| michael@0 | 62 | start = PR_IntervalNow(); |
| michael@0 | 63 | (*func)(); |
| michael@0 | 64 | stop = PR_IntervalNow(); |
| michael@0 | 65 | |
| michael@0 | 66 | d = (double)PR_IntervalToMicroseconds(stop - start); |
| michael@0 | 67 | tot = PR_IntervalToMilliseconds(stop-start); |
| michael@0 | 68 | |
| michael@0 | 69 | printf("%40s: %6.2f usec avg, %d msec total\n", msg, d / count, tot); |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | int main(int argc, char **argv) |
| michael@0 | 73 | { |
| michael@0 | 74 | PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0); |
| michael@0 | 75 | PR_STDIO_INIT(); |
| michael@0 | 76 | |
| michael@0 | 77 | if (argc > 1) { |
| michael@0 | 78 | count = atoi(argv[1]); |
| michael@0 | 79 | } else { |
| michael@0 | 80 | count = DEFAULT_COUNT; |
| michael@0 | 81 | } |
| michael@0 | 82 | |
| michael@0 | 83 | Measure(statPRStat, "time to call PR_GetFileInfo()"); |
| michael@0 | 84 | Measure(statStat, "time to call stat()"); |
| michael@0 | 85 | |
| michael@0 | 86 | PR_Cleanup(); |
| michael@0 | 87 | } |
