bac831cd69
- license header in new files - changed "powerline" into "powerline-right" - added braces around one-liners - small fixes concerning whitespace
94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
/* vim: tabstop=2 shiftwidth=2 expandtab textwidth=80 linebreak wrap
|
|
*
|
|
* Copyright 2012 Matthew McCormick
|
|
* Copyright 2013 Justin Crawford <Justasic@gmail.com>
|
|
* Copyright 2015 Pawel 'l0ner' Soltys
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
// Based on: github.com/freebsd/freebsd/blob/master/usr.bin/top/machine.c
|
|
// Based on: Apple.cpp for load_string/mem_string and apple's documentation
|
|
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <stdlib.h> // getloadavg()
|
|
#include <cmath> // floorf()
|
|
#include <sys/types.h>
|
|
|
|
#include "cpu.h"
|
|
#include "load.h"
|
|
#include "luts.h"
|
|
|
|
#include "powerline.h"
|
|
|
|
// Load Averages
|
|
std::string load_string( bool use_colors, bool use_powerline )
|
|
{
|
|
std::ostringstream ss;
|
|
// Get only 3 load averages
|
|
const int nelem = 3;
|
|
double averages[nelem];
|
|
// based on: opensource.apple.com/source/Libc/Libc-262/gen/getloadavg.c
|
|
|
|
if( getloadavg( averages, nelem ) < 0 )
|
|
{
|
|
ss << " 0.00 0.00 0.00"; // couldn't get averages.
|
|
}
|
|
else
|
|
{
|
|
if( use_colors )
|
|
{
|
|
unsigned load_percent = static_cast<unsigned int>( averages[0] /
|
|
get_cpu_count() * 0.5f * 100.0f );
|
|
|
|
if( load_percent > 100 )
|
|
{
|
|
load_percent = 100;
|
|
}
|
|
powerline(ss, load_lut[load_percent], use_powerline);
|
|
}
|
|
|
|
ss << ' ';
|
|
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;
|
|
// Don't print trailing whitespace for last element
|
|
if ( i == nelem-1 )
|
|
{
|
|
ss << avg;
|
|
}
|
|
else
|
|
{
|
|
ss << avg << " ";
|
|
}
|
|
}
|
|
|
|
if( use_colors )
|
|
{
|
|
if( use_powerline )
|
|
{
|
|
ss << ' ';
|
|
}
|
|
else
|
|
{
|
|
ss << "#[fg=default,bg=default]";
|
|
}
|
|
}
|
|
}
|
|
|
|
return ss.str();
|
|
}
|
|
|