mike/systeminformation
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optimization fs-speed, CPU-current speed

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Sebastian Hildebrandt 2014-03-14 12:26:12 +01:00
parent 0e93300de6
commit e147db757e
2 changed files with 24 additions and 14 deletions
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3
README.md
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@ -1,6 +1,6 @@
# systeminfo
Simple system monitoring library for node.js - Version 0.0.1
Simple system monitoring library for node.js - Version 0.0.2
## Core concept
@ -49,6 +49,7 @@ systeminfo.cpu(function(data) {
| Version | Date | Comment |
| -------------- | -------------- | -------- |
| 0.0.2 | 2014-03-14 | Optimization FS-Speed & CPU current speed |
| 0.0.1 | 2014-03-13 | initial release |
## Comments

33
systeminfo.js
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@ -57,6 +57,8 @@
//
// Version history
// --------------------------------
// Verion 0.0.2 - 14.03.2014 - Optimization FS-Speed & CPU current speed
//
// Verion 0.0.1 - 13.03.2014 - initial release
//
// ==================================================================================
@ -73,6 +75,7 @@ var os = require('os')
var tmp_cores = 0;
var tmp_platform = os.type();
var tmp_network = {};
var tmp_cpu_speed = 0;
var tmp_fs_speed = {};
exports.time = function() {
@ -193,6 +196,7 @@ exports.cpu = function(callback) {
var line = lines[0].split(':')[1];
result.brand = line.split('@')[0].trim();
result.speed = line.split('@')[1].trim();
tmp_cpu_speed = parseFloat(result.speed) * 1000000000;
}
callback(result);
@ -204,7 +208,7 @@ exports.cpu = function(callback) {
// CPU - current speed
exports.cpu_speed = function(callback) {
var result = {current : 0};
var result = {current : tmp_cpu_speed};
if (tmp_platform == 'Darwin') {
exec("sysctl -n hw.cpufrequency", function(error, stdout, stderr) {
if (!error) {
@ -220,8 +224,10 @@ exports.cpu_speed = function(callback) {
} else if (fs.existsSync("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq")) {
output = fs.readFileSync("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq");
}
var lines = output.toString().split('\n');
result.current = parseInt(lines[0]) * 1000;
if (output.trim()) {
var lines = output.toString().split('\n');
result.current = parseInt(lines[0]) * 1000;
}
callback(result);
}
}
@ -366,6 +372,10 @@ exports.fs_size = function(callback) {
// FS - speed
exports.fs_speed = function(callback) {
var result = {
read_sec : -1,
write_sec : -1
}
var bytes_read = 0;
var bytes_write = 0;
@ -393,24 +403,23 @@ exports.fs_speed = function(callback) {
bytes_write = bytes_write + parseInt(line[9]) * 512;
}
});
if (tmp_fs_speed) {
if (tmp_fs_speed && tmp_fs_speed.ms) {
var ms = Date.now() - tmp_fs_speed.ms;
read_sec = (bytes_read - tmp_fs_speed.bytes_read) / (ms / 1000);
write_sec = (bytes_write - tmp_fs_speed.bytes_write) / (ms / 1000);
result.read_sec = (bytes_read - tmp_fs_speed.bytes_read) / (ms / 1000);
result.write_sec = (bytes_write - tmp_fs_speed.bytes_write) / (ms / 1000);
} else {
read_sec = 0;
write_sec = 0;
result.read_sec = 0;
result.write_sec = 0;
}
tmp_fs_speed.bytes_read = bytes_read;
tmp_fs_speed.bytes_write = bytes_write;
tmp_fs_speed.ms = Date.now();
callback({
read_sec : read_sec,
write_sec : write_sec
});
callback(result);
})
})
} else {
callback(result)
}
}