gdal/autotest/cpp/gdallimits.c

62 строки
2.3 KiB
C

/**********************************************************************
*
* Project: GDAL
* Purpose: Display resource limits
* Author: Even Rouault <even dot rouault at spatialys.com>
*
**********************************************************************
* Copyright (c) 2022, Even Rouault <even dot rouault at spatialys.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "cpl_multiproc.h"
#include "cpl_vsi.h"
#include <stdbool.h>
#include <stdio.h>
int main(int argc, char **argv)
{
bool bCPUs = argc == 1;
bool bUsableRAM = argc == 1;
for (int i = 1; i < argc; ++i)
{
if (strcmp(argv[i], "--cpus") == 0)
bCPUs = true;
else if (strcmp(argv[i], "--usable-ram") == 0)
bUsableRAM = true;
}
if (bCPUs)
printf("CPLGetNumCPUs = %d\n", CPLGetNumCPUs());
if (bUsableRAM)
{
GIntBig nUsableRAM = CPLGetUsablePhysicalRAM();
int nUsableRAM_GB = (int)(nUsableRAM >> 30);
if (nUsableRAM_GB > 1)
printf("CPLGetUsablePhysicalRAM = %d GB\n", nUsableRAM_GB);
else
{
int nUsableRAM_MB = (int)(nUsableRAM >> 20);
printf("CPLGetUsablePhysicalRAM = %d MB\n", nUsableRAM_MB);
}
}
return 0;
}