You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
2.0 KiB
68 lines
2.0 KiB
/*
|
|
* Author: David Robert Nadeau
|
|
* Site: http://NadeauSoftware.com/
|
|
* License: Creative Commons Attribution 3.0 Unported License
|
|
* http://creativecommons.org/licenses/by/3.0/deed.en_US
|
|
*/
|
|
|
|
/*
|
|
* Modified by Tom van Dijk to remove WIN32 and solaris code
|
|
*/
|
|
|
|
#if defined(__APPLE__) && defined(__MACH__)
|
|
#include <unistd.h>
|
|
#include <sys/resource.h>
|
|
#include <mach/mach.h>
|
|
#elif defined(__linux__) || defined(__linux) || defined(linux) || defined(__gnu_linux__)
|
|
#include <unistd.h>
|
|
#include <sys/resource.h>
|
|
#include <stdio.h>
|
|
#else
|
|
#error "Cannot define getPeakRSS( ) or getCurrentRSS( ) for an unknown OS."
|
|
#endif
|
|
|
|
/**
|
|
* Returns the peak (maximum so far) resident set size (physical
|
|
* memory use) measured in bytes, or zero if the value cannot be
|
|
* determined on this OS.
|
|
*/
|
|
size_t
|
|
getPeakRSS()
|
|
{
|
|
struct rusage rusage;
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
#if defined(__APPLE__) && defined(__MACH__)
|
|
return (size_t)rusage.ru_maxrss;
|
|
#else
|
|
return (size_t)(rusage.ru_maxrss * 1024L);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Returns the current resident set size (physical memory use) measured
|
|
* in bytes, or zero if the value cannot be determined on this OS.
|
|
*/
|
|
size_t
|
|
getCurrentRSS()
|
|
{
|
|
#if defined(__APPLE__) && defined(__MACH__)
|
|
/* OSX ------------------------------------------------------ */
|
|
struct mach_task_basic_info info;
|
|
mach_msg_type_number_t infoCount = MACH_TASK_BASIC_INFO_COUNT;
|
|
if (task_info(mach_task_self(), MACH_TASK_BASIC_INFO, (task_info_t)&info, &infoCount) != KERN_SUCCESS)
|
|
return (size_t)0L; /* Can't access? */
|
|
return (size_t)info.resident_size;
|
|
#else
|
|
/* Linux ---------------------------------------------------- */
|
|
long rss = 0L;
|
|
FILE *fp = NULL;
|
|
if ((fp = fopen("/proc/self/statm", "r")) == NULL)
|
|
return (size_t)0L; /* Can't open? */
|
|
if (fscanf(fp, "%*s%ld", &rss) != 1) {
|
|
fclose(fp);
|
|
return (size_t)0L; /* Can't read? */
|
|
}
|
|
fclose(fp);
|
|
return (size_t)rss * (size_t)sysconf(_SC_PAGESIZE);
|
|
#endif
|
|
}
|