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Add load_line variable for OSX.

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Matt McCormick 2013-06-11 00:12:51 -04:00 committed by Pawel "l0ner" Soltys
parent 36fefb42f5
commit 80a1709c46
1 changed files with 28 additions and 31 deletions
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59
tmux-mem-cpu-load.cpp
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@ -208,41 +208,38 @@ std::string load_string()
// Linux based system, if it's windows, too much work, they can deal with their compile errors - CMD sucks anyway.
std::string mem_string()
{
unsigned int total_mem;
unsigned int used_mem;
unsigned int unused_mem;
size_t line_start_pos;
size_t line_end_pos;
std::istringstream iss;
std::ostringstream oss;
std::string mem_line;
std::ostringstream oss;
std::ifstream meminfo_file( "/proc/meminfo" );
std::getline( meminfo_file, mem_line );
line_start_pos = mem_line.find_first_of( ':' );
line_start_pos++;
line_end_pos = mem_line.find_first_of( 'k' );
iss.str( mem_line.substr( line_start_pos, line_end_pos - line_start_pos ) );
iss >> total_mem;
#if defined(BSD_BASED) || (defined(__APPLE__) && defined(__MACH__))
// Both apple and BSD style systems have these api calls
used_mem = total_mem;
// Only get 3 load averages
int nelem = 3;
double averages[3];
// based on: http://www.opensource.apple.com/source/Libc/Libc-262/gen/getloadavg.c
if( getloadavg(averages, nelem) < 0 )
{
oss << "0.00 0.00 0.00"; // couldn't get averages.
}
else
{
for(int i = 0; i < nelem; ++i)
{
// Round to nearest, make sure this is only a 0.00 value not a 0.0000
float avg = floorf(static_cast<float>(averages[i]) * 100 + 0.5) / 100;
oss << avg << " ";
}
}
std::string load_line( oss.str() );
oss.str( "" );
for( unsigned int i = 0; i < 3; i++ )
{
std::getline( meminfo_file, mem_line );
line_start_pos = mem_line.find_first_of( ':' );
line_start_pos++;
line_end_pos = mem_line.find_first_of( 'k' );
iss.str( mem_line.substr( line_start_pos, line_end_pos - line_start_pos ) );
iss >> unused_mem;
used_mem -= unused_mem;
}
meminfo_file.close();
#else // Linux
std::ifstream loadavg_file( "/proc/loadavg" );
std::string load_line;
std::getline( loadavg_file, load_line );
loadavg_file.close();
oss << used_mem / 1024 << '/' << total_mem / 1024 << "MB";
return oss.str();
}
#endif // platform
float cpu_percentage( unsigned int cpu_usage_delay )
{