main.c File Reference

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

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Data Structures
struct	cpu_perfs_t
struct	mem_perfs_t
struct	proc_perfs_t
struct	perfs_t

Macros
#define	SAMPLE_INTERVAL   (CLOCKS_PER_SEC)

Enumerations
enum	sort_mode_t { SORT_PID , SORT_MEMORY , SORT_CPU }

Functions
static void	terminal_size_get (void)
static uint64_t	cpu_perf_count_cpus (void)
static uint64_t	cpu_perf_read (cpu_perfs_t *cpuPerfs)
static uint64_t	mem_perf_read (mem_perfs_t *memPerfs)
static proc_perfs_t *	proc_perfs_read (uint64_t *procAmount)
static void	calculate_cpu_percentages (perfs_t *perfs)
static int	compare_by_pid (const void *a, const void *b)
static int	compare_by_memory (const void *a, const void *b)
static int	compare_by_cpu (const void *a, const void *b)
static void	sort_processes (perfs_t *perfs)
static void	perfs_update (perfs_t *perfs)
static void	perf_percentage (clock_t part, clock_t total, uint64_t *whole, uint64_t *thousandths)
static void	perfs_print (perfs_t *perfs)
int	main (void)

Variables
static uint64_t	terminalColumns
static uint64_t	terminalRows
static uint64_t	processScrollOffset = 0
static clock_t	lastSampleTime = 0
static uint64_t	cpuAmount = 0
static sort_mode_t	currentSortMode = SORT_CPU

Macro Definition Documentation

SAMPLE_INTERVAL

#define SAMPLE_INTERVAL   (CLOCKS_PER_SEC)

Definition at line 10 of file main.c.

Enumeration Type Documentation

sort_mode_t

enum sort_mode_t

Enumerator
SORT_PID
SORT_MEMORY
SORT_CPU

Definition at line 19 of file main.c.

Function Documentation

terminal_size_get()

static void terminal_size_get ( void  )

static

Definition at line 28 of file main.c.

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cpu_perf_count_cpus()

static uint64_t cpu_perf_count_cpus ( void  )

static

Definition at line 103 of file main.c.

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cpu_perf_read()

static uint64_t cpu_perf_read ( cpu_perfs_t *  cpuPerfs )

static

Definition at line 122 of file main.c.

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mem_perf_read()

static uint64_t mem_perf_read ( mem_perfs_t *  memPerfs )

static

Definition at line 154 of file main.c.

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proc_perfs_read()

static proc_perfs_t * proc_perfs_read ( uint64_t *  procAmount )

static

Definition at line 182 of file main.c.

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calculate_cpu_percentages()

static void calculate_cpu_percentages ( perfs_t *  perfs )

static

Definition at line 283 of file main.c.

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compare_by_pid()

static int compare_by_pid ( const void *  a, const void *  b  )

static

Definition at line 304 of file main.c.

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compare_by_memory()

static int compare_by_memory ( const void *  a, const void *  b  )

static

Definition at line 311 of file main.c.

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compare_by_cpu()

static int compare_by_cpu ( const void *  a, const void *  b  )

static

Definition at line 318 of file main.c.

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sort_processes()

static void sort_processes ( perfs_t *  perfs )

static

Definition at line 329 of file main.c.

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perfs_update()

static void perfs_update ( perfs_t *  perfs )

static

Definition at line 345 of file main.c.

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perf_percentage()

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

static

Definition at line 450 of file main.c.

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perfs_print()

static void perfs_print ( perfs_t *  perfs )

static

Definition at line 465 of file main.c.

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main()

int main

(

void

)

Definition at line 714 of file main.c.

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Variable Documentation

terminalColumns

uint64_t terminalColumns

static

Definition at line 12 of file main.c.

terminalRows

uint64_t terminalRows

static

Definition at line 13 of file main.c.

processScrollOffset

uint64_t processScrollOffset = 0

static

Definition at line 14 of file main.c.

lastSampleTime

clock_t lastSampleTime = 0

static

Definition at line 16 of file main.c.

cpuAmount

uint64_t cpuAmount = 0

static

Definition at line 17 of file main.c.

currentSortMode

sort_mode_t currentSortMode = SORT_CPU

static

Definition at line 26 of file main.c.