main.c File Reference

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/io.h>
#include <sys/proc.h>
#include <threads.h>
#include <time.h>

Go to the source code of this file.

Data Structures
struct	cpu_stats_t
struct	mem_stats_t
struct	stats_t

Macros
#define	SAMPLE_INTERVAL   (CLOCKS_PER_SEC)
#define	PLOT_WIDTH   20

Functions
static uint64_t	terminal_columns_get (void)
static uint64_t	cpu_stat_count_cpus (void)
static uint64_t	cpu_stat_read (cpu_stats_t *cpuStats, uint64_t cpuAmount)
static uint64_t	mem_stat_read (mem_stats_t *memStats)
static void	stats_update (stats_t *stats)
static void	stat_percentage (clock_t part, clock_t total, uint64_t *whole, uint64_t *thousandths)
static void	stats_print (stats_t *stats)
int	main (void)

Variables
static uint64_t	terminalColumns

Macro Definition Documentation

PLOT_WIDTH

#define PLOT_WIDTH   20

Definition at line 12 of file main.c.

SAMPLE_INTERVAL

#define SAMPLE_INTERVAL   (CLOCKS_PER_SEC)

Definition at line 10 of file main.c.

Function Documentation

cpu_stat_count_cpus()

static uint64_t cpu_stat_count_cpus ( void  )

static

Definition at line 67 of file main.c.

References ERR, fclose(), fgets(), file, fopen(), and NULL.

Referenced by main().

cpu_stat_read()

static uint64_t cpu_stat_read ( cpu_stats_t *  cpuStats, uint64_t  cpuAmount  )

static

Definition at line 86 of file main.c.

References cpu_stats_t::activeClocks, ERR, fclose(), fgets(), file, fopen(), cpu_stats_t::id, cpu_stats_t::idleClocks, cpu_stats_t::interruptClocks, NULL, and sscanf().

Referenced by stats_update().

main()

int main

(

void

)

Definition at line 275 of file main.c.

References calloc(), cpu_stat_count_cpus(), stats_t::cpuAmount, stats_t::cpuStats, ERR, EXIT_FAILURE, free(), stats_t::memStats, NULL, stats_t::prevCpuStats, printf(), stats_print(), stats_update(), terminal_columns_get(), and terminalColumns.

mem_stat_read()

static uint64_t mem_stat_read ( mem_stats_t *  memStats )

static

Definition at line 118 of file main.c.

References ERR, fclose(), file, fopen(), mem_stats_t::freeKiB, fscanf(), NULL, mem_stats_t::reservedKiB, and mem_stats_t::totalKiB.

Referenced by stats_update().

stat_percentage()

static void stat_percentage ( clock_t  part, clock_t  total, uint64_t *  whole, uint64_t *  thousandths  )

static

Definition at line 158 of file main.c.

Referenced by stats_print().

stats_print()

static void stats_print ( stats_t *  stats )

static

Definition at line 173 of file main.c.

References cpu_stats_t::activeClocks, stats_t::cpuAmount, stats_t::cpuStats, fflush(), mem_stats_t::freeKiB, cpu_stats_t::idleClocks, cpu_stats_t::interruptClocks, stats_t::memStats, PLOT_WIDTH, stats_t::prevCpuStats, printf(), stat_percentage(), stdout, terminalColumns, and mem_stats_t::totalKiB.

Referenced by main().

stats_update()

static void stats_update ( stats_t *  stats )

static

Definition at line 138 of file main.c.

References cpu_stat_read(), stats_t::cpuAmount, stats_t::cpuStats, ERR, mem_stat_read(), stats_t::memStats, nanosleep(), stats_t::prevCpuStats, printf(), and SAMPLE_INTERVAL.

Referenced by main().

terminal_columns_get()

static uint64_t terminal_columns_get ( void  )

static

Definition at line 16 of file main.c.

References buffer, fflush(), MAX_NAME, printf(), read(), sscanf(), STDIN_FILENO, and stdout.

Variable Documentation

terminalColumns

uint64_t terminalColumns

static

Definition at line 14 of file main.c.

Referenced by main(), and stats_print().