processtools.c File Reference

Tools to manage processes. More...

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/file.h>
#include <malloc.h>
#include <sys/mman.h>
#include <time.h>
#include <signal.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ncurses.h>
#include <fcntl.h>
#include <ctype.h>
#include <dirent.h>
#include <wchar.h>
#include <locale.h>
#include <pthread.h>
#include "CLIcore.h"
#include <00CORE/00CORE.h>
#include "COREMOD_tools/COREMOD_tools.h"
#include "info/info.h"
#include <processtools.h>

Include dependency graph for processtools.c:

Macros
#define	PROCESSINFO_ENABLED
#define	_GNU_SOURCE
#define	SHAREDPROCDIR   data.shmdir
#define	CMDPROC_CONTEXTSWITCH   1
#define	CMDPROC_CPUUSE   1
#define	CMDPROC_MEMUSE   1
#define	CMDPROC_PROCSTAT   1
#define	NBtopMax   5000

Typedefs
typedef int	errno_t

Functions
errno_t	processinfo_procdirname (char *procdname)
PROCESSINFO *	processinfo_setup (char *pinfoname, char descriptionstring[200], char msgstring[200], const char *functionname, const char *filename, int linenumber)
errno_t	processinfo_error (PROCESSINFO *processinfo, char *errmsgstring)
errno_t	processinfo_loopstart (PROCESSINFO *processinfo)
int	processinfo_loopstep (PROCESSINFO *processinfo)
int	processinfo_compute_status (PROCESSINFO *processinfo)
long	processinfo_shm_list_create ()
PROCESSINFO *	processinfo_shm_create (const char *pname, int CTRLval)
PROCESSINFO *	processinfo_shm_link (const char *pname, int *fd)
int	processinfo_shm_close (PROCESSINFO *pinfo, int fd)
int	processinfo_cleanExit (PROCESSINFO *processinfo)
int	processinfo_SIGexit (PROCESSINFO *processinfo, int SignalNumber)
int	processinfo_WriteMessage (PROCESSINFO *processinfo, const char *msgstring)
int	processinfo_CatchSignals ()
int	processinfo_ProcessSignals (PROCESSINFO *processinfo)
int	processinfo_exec_start (PROCESSINFO *processinfo)
int	processinfo_exec_end (PROCESSINFO *processinfo)
static errno_t	initncurses ()
int	GetNumberCPUs (PROCINFOPROC *pinfop)
static int	GetCPUloads (PROCINFOPROC *pinfop)
static int	PIDcollectSystemInfo (PROCESSINFODISP *pinfodisp, int level)
int	processinfo_CPUsets_List (STRINGLISTENTRY *CPUsetList)
int	processinfo_SelectFromList (STRINGLISTENTRY *StringList, int NBelem)
void *	processinfo_scan (void *thptr)
void	processinfo_CTRLscreen_atexit ()
void	processinfo_CTRLscreen_handle_winch (int __attribute__((unused)) sig)
errno_t	processinfo_CTRLscreen ()

Variables
static int	CTRLscreenExitLine = 0
static PROCESSINFOLIST *	pinfolist
static int	wrow
static int	wcol
static int	wcolmax
static struct timespec	t1
static struct timespec	t2
static struct timespec	tdiff
static double	scantime_cpuset
static double	scantime_status
static double	scantime_stat
static double	scantime_pstree
static double	scantime_top
static double	scantime_CPUload
static double	scantime_CPUpcnt

Detailed Description

Tools to manage processes.

Manages structure PROCESSINFO.

See also

Process Info Structure (processinfo)

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

CMDPROC_CONTEXTSWITCH

#define CMDPROC_CONTEXTSWITCH   1

CMDPROC_CPUUSE

#define CMDPROC_CPUUSE   1

CMDPROC_MEMUSE

#define CMDPROC_MEMUSE   1

CMDPROC_PROCSTAT

#define CMDPROC_PROCSTAT   1

NBtopMax

#define NBtopMax   5000

PROCESSINFO_ENABLED

#define PROCESSINFO_ENABLED

SHAREDPROCDIR

#define SHAREDPROCDIR   data.shmdir

Typedef Documentation

errno_t

typedef int errno_t

Function Documentation

GetCPUloads()

static int GetCPUloads ( PROCINFOPROC *  pinfop )

static

GetNumberCPUs()

int GetNumberCPUs

(

PROCINFOPROC *

pinfop

)

Purpose

detects the number of CPU and fill the cpuids

Description

populates cpuids array with the global system PU numbers in the physical order: [PU0 of CPU0, PU1 of CPU0, ... PU0 of CPU1, PU1 of CPU1, ...]

initncurses()

static errno_t initncurses ( )

static

INITIALIZE ncurses

PIDcollectSystemInfo()

static int PIDcollectSystemInfo ( PROCESSINFODISP *  pinfodisp, int  level  )

static

processinfo_CatchSignals()

int processinfo_CatchSignals

(

)

processinfo_cleanExit()

int processinfo_cleanExit

(

PROCESSINFO *

processinfo

)

processinfo_compute_status()

int processinfo_compute_status

(

PROCESSINFO *

processinfo

)

processinfo_CPUsets_List()

int processinfo_CPUsets_List

(

STRINGLISTENTRY *

CPUsetList

)

Purpose

Creates list of CPU sets

Description

Uses command: cset set -l

processinfo_CTRLscreen()

errno_t processinfo_CTRLscreen

(

)

Purpose

Control screen for PROCESSINFO structures

Description

Relies on ncurses for display

Display

processinfo_CTRLscreen_atexit()

void processinfo_CTRLscreen_atexit

(

)

processinfo_CTRLscreen_handle_winch()

void processinfo_CTRLscreen_handle_winch

(

int __attribute__((unused))

sig

)

processinfo_error()

errno_t processinfo_error	(	PROCESSINFO *	processinfo,
		char *	errmsgstring
	)

processinfo_exec_end()

int processinfo_exec_end

(

PROCESSINFO *

processinfo

)

processinfo_exec_start()

int processinfo_exec_start

(

PROCESSINFO *

processinfo

)

processinfo_loopstart()

errno_t processinfo_loopstart

(

PROCESSINFO *

processinfo

)

processinfo_loopstep()

int processinfo_loopstep

(

PROCESSINFO *

processinfo

)

processinfo_procdirname()

errno_t processinfo_procdirname

(

char *

procdname

)

processinfo_ProcessSignals()

int processinfo_ProcessSignals

(

PROCESSINFO *

processinfo

)

processinfo_scan()

void* processinfo_scan

(

void *

thptr

)

Purpose

Scan function for processinfo CTRL

Description

Runs in background loop as thread initiated by processinfo_CTRL

Build a time-sorted list of processes

processinfo_SelectFromList()

int processinfo_SelectFromList	(	STRINGLISTENTRY *	StringList,
		int	NBelem
	)

processinfo_setup()

PROCESSINFO* processinfo_setup	(	char *	pinfoname,
		char	descriptionstring[200],
		char	msgstring[200],
		const char *	functionname,
		const char *	filename,
		int	linenumber
	)

processinfo_shm_close()

int processinfo_shm_close	(	PROCESSINFO *	pinfo,
		int	fd
	)

processinfo_shm_create()

PROCESSINFO* processinfo_shm_create	(	const char *	pname,
		int	CTRLval
	)

Create PROCESSINFO structure in shared memory

The structure holds real-time information about a process, so its status can be monitored and controlled See structure PROCESSINFO in CLLIcore.h for details

processinfo_shm_link()

PROCESSINFO* processinfo_shm_link	(	const char *	pname,
		int *	fd
	)

processinfo_shm_list_create()

long processinfo_shm_list_create

(

)

Purpose

Read/create processinfo list

Description

If list does not exist, create it and return index = 0

If list exists, return first available index

processinfo_SIGexit()

int processinfo_SIGexit	(	PROCESSINFO *	processinfo,
		int	SignalNumber
	)

processinfo_WriteMessage()

int processinfo_WriteMessage	(	PROCESSINFO *	processinfo,
		const char *	msgstring
	)

Variable Documentation

CTRLscreenExitLine

int CTRLscreenExitLine = 0

static

pinfolist

PROCESSINFOLIST* pinfolist

static

scantime_CPUload

double scantime_CPUload

static

scantime_CPUpcnt

double scantime_CPUpcnt

static

scantime_cpuset

double scantime_cpuset

static

scantime_pstree

double scantime_pstree

static

scantime_stat

double scantime_stat

static

scantime_status

double scantime_status

static

scantime_top

double scantime_top

static

t1

struct timespec t1

static

t2

struct timespec t2

static

tdiff

struct timespec tdiff

static

wcol

int wcol

static

wcolmax

int wcolmax

static

wrow

int wrow

static