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/*
* sysinfo.c: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* Date: 03.06.07
*
*/
#include <stdio.h>
#include <unistd.h>
#include <glibtop.h>
#include <glibtop/cpu.h>
#include <glibtop/mem.h>
#ifndef WITHOUT_VDR
# include <vdr/tools.h>
#endif
#include <sysinfo.h>
int Sysinfo::initialized = no;
double Sysinfo::lastIdle = 0;
double Sysinfo::lastTotal = 0;
//***************************************************************************
// Init
//***************************************************************************
int Sysinfo::init()
{
if (initialized)
return done;
#if LIBGTOP_MAJOR_VERSION > 2 || (LIBGTOP_MAJOR_VERSION == 2 && LIBGTOP_MINOR_VERSION >= 14)
tell(0, "init libgtop (%d.%d)",
LIBGTOP_MAJOR_VERSION, LIBGTOP_MINOR_VERSION);
glibtop_init();
#endif
initialized = yes;
return done;
}
//***************************************************************************
// Init
//***************************************************************************
int Sysinfo::exit()
{
if (!initialized)
return done;
#if LIBGTOP_MAJOR_VERSION > 2 || (LIBGTOP_MAJOR_VERSION == 2 && LIBGTOP_MINOR_VERSION >= 14)
glibtop_close();
#endif
initialized = no;
return done;
}
//***************************************************************************
// Get CPU Load
//***************************************************************************
int Sysinfo::cpuLoad()
{
static uint64_t lastCall = 0;
static int lastLoad = na;
if (!initialized)
init();
int load;
glibtop_cpu cpu;
#ifndef WITHOUT_VDR
if (lastCall && lastLoad != na && cTimeMs::Now() - lastCall < 200)
return lastLoad;
#endif
glibtop_get_cpu(&cpu);
double total = ((unsigned long)cpu.total) ? ((double)cpu.total) : 1.0;
double idle = ((unsigned long)cpu.idle) ? ((double)cpu.idle) : 1.0;
total /= (double)cpu.frequency;
idle /= (double)cpu.frequency;
// calc tic deltas (from last)
double loadTics = total- idle - lastTotal;
double idleTics = idle - lastIdle;
// calc load
load = (int) (loadTics * 100 / (loadTics + idleTics));
// remember
lastTotal = total - idle;
lastIdle = idle;
lastLoad = load;
#ifndef WITHOUT_VDR
lastCall = cTimeMs::Now();
#endif
return load;
}
//***************************************************************************
// Get Memory Info
//***************************************************************************
int Sysinfo::memInfoMb(unsigned long& total,
unsigned long& used,
unsigned long& free,
unsigned long& cached)
{
glibtop_mem memory;
if (!initialized)
init();
glibtop_get_mem(&memory);
total = (unsigned long)memory.total/(1024*1024);
used = (unsigned long)memory.used/(1024*1024);
free = (unsigned long)memory.free/(1024*1024);
cached = (unsigned long)memory.cached/(1024*1024);
/*
tell(4, "\nMEMORY USING\n\n"
"Memory Total : %ld MB\n"
"Memory Used : %ld MB\n"
"Memory Free : %ld MB\n"
"Memory Buffered : %ld MB\n"
"Memory Cached : %ld MB\n"
"Memory user : %ld MB\n"
"Memory Locked : %ld MB\n",
total, used, free,
(unsigned long)memory.shared/(1024*1024),
(unsigned long)memory.buffer/(1024*1024),
(unsigned long)memory.cached/(1024*1024),
(unsigned long)memory.user/(1024*1024),
(unsigned long)memory.locked/(1024*1024));
*/
return done;
}
//***************************************************************************
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