зеркало из https://github.com/mozilla/pjs.git
89 строки
2.1 KiB
C
89 строки
2.1 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
/*
|
|
* Program to test different ways to get file info; right now it
|
|
* only works for solaris.
|
|
*
|
|
*/
|
|
#include "nspr.h"
|
|
#include "prpriv.h"
|
|
#include "prinrval.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define DEFAULT_COUNT 100000
|
|
PRInt32 count;
|
|
|
|
static void statPRStat(void)
|
|
{
|
|
PRFileInfo finfo;
|
|
PRInt32 index = count;
|
|
|
|
for (;index--;) {
|
|
PR_GetFileInfo("/etc/passwd", &finfo);
|
|
}
|
|
}
|
|
|
|
static void statStat(void)
|
|
{
|
|
struct stat finfo;
|
|
PRInt32 index = count;
|
|
|
|
for (;index--;) {
|
|
stat("/etc/passwd", &finfo);
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
static void Measure(void (*func)(void), const char *msg)
|
|
{
|
|
PRIntervalTime start, stop;
|
|
double d;
|
|
PRInt32 tot;
|
|
|
|
start = PR_IntervalNow();
|
|
(*func)();
|
|
stop = PR_IntervalNow();
|
|
|
|
d = (double)PR_IntervalToMicroseconds(stop - start);
|
|
tot = PR_IntervalToMilliseconds(stop-start);
|
|
|
|
printf("%40s: %6.2f usec avg, %d msec total\n", msg, d / count, tot);
|
|
}
|
|
|
|
void main(int argc, char **argv)
|
|
{
|
|
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
|
|
PR_STDIO_INIT();
|
|
|
|
if (argc > 1) {
|
|
count = atoi(argv[1]);
|
|
} else {
|
|
count = DEFAULT_COUNT;
|
|
}
|
|
|
|
Measure(statPRStat, "time to call PR_GetFileInfo()");
|
|
Measure(statStat, "time to call stat()");
|
|
|
|
PR_Cleanup();
|
|
}
|