getrusage的用法(查看内存使用情况)
作者:互联网
https://blog.csdn.net/imred/article/details/50643022
getrusage - get resource usage,该函数可以程序统计对系统资源的使用量。(实际上是统计了进程执行直到调用该函数时的资源用量,如果在不同的时间调用该函数,会得到不同的结果)
#include <unistd.h>
#include <sys/resource.h>
void* MemoryTraceFunc(void*) {
#ifndef WIN32
while (true) {
rusage usage;
getrusage(RUSAGE_SELF, &usage);
int ru_maxrss = static_cast<int>(usage.ru_maxrss / 1024 ); //MB
std::cout << "MemUse now: " << ru_maxrss << " MB." << std::endl;
usleep(1000000);
}
#else
while (true) {
PROCESS_MEMORY_COUNTERS info;
GetProcessMemoryInfo( GetCurrentProcess( ), &info, sizeof(info) );
nimbus::DataVar::procise_peak_used_memory_ = info.PeakWorkingSetSize / 1024 / 1024;
nimbus::DataVar::current_used_memory_ = info.WorkingSetSize / 1024 / 1024;
if (! nimbus::DataVar::cmd_started_)
nimbus::DataVar::cmd_peak_used_memory_ = nimbus::DataVar::current_used_memory_;
else if (nimbus::DataVar::cmd_peak_used_memory_ < nimbus::DataVar::current_used_memory_)
nimbus::DataVar::cmd_peak_used_memory_ = nimbus::DataVar::current_used_memory_;
Sleep(1);
}
#endif
return NULL;
}
标签:ru,void,getrusage,用法,maxrss,内存,usage,include 来源: https://www.cnblogs.com/How-Come/p/15648726.html