/home/fernape/Projects/lkmonitor/src/procinfo.c File Reference

#include <gnome.h>
#include <dirent.h>
#include <errno.h>
#include <glib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "lkmonitor.h"
#include "others.h"
#include "procinfo.h"
#include "update.h"

Go to the source code of this file.

Defines
#define	UNK_STR   _("Unknown")
Functions
int	get_mm_details (const int pid, struct mm_details *details, const char *mmregion)
	Get memory region details.
int	get_process_info (const int pid, struct procinfo *pi, struct dirent ***file_list, int *numfiles)
	Gets process information.

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Define Documentation

#define UNK_STR   _("Unknown")

Definition at line 44 of file procinfo.c.

Referenced by get_mm_details(), and update_fd_info().

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Function Documentation

int get_mm_details	(	const int	pid,
		struct mm_details *	details,
		const char *	mmregion
	)

Get memory region details.

Get memory region details for a process

Parameters:

	pid	The PID of the process
	details	mm_details structure pointer
	mmregion	Region we want details about

Returns:

0 on success, -1 otherwise

Definition at line 312 of file procinfo.c.

References DEF_SZ, find_data_for(), mm_details::priv_clean, mm_details::priv_dirty, mm_details::rss, mm_details::sh_clean, mm_details::sh_dirty, mm_details::size, and UNK_STR.

Referenced by update_mm_details().

{
        g_assert(pid>0 && details!=NULL && mmregion!=NULL);

        /* We use mmregion to make the search */
        GString *smaps_file=g_string_new("");
        gchar *contents;
        char *p;

        /* Construct the path */
        g_string_printf(smaps_file,"/proc/%d/smaps",pid);

        if((g_file_get_contents(smaps_file->str,&contents,NULL,NULL))==FALSE){
                /* Something wrong with the file... 
                 * So put default values
                */
                strncpy(details->size,UNK_STR,DEF_SZ);
                strncpy(details->rss,UNK_STR,DEF_SZ);
                strncpy(details->sh_clean,UNK_STR,DEF_SZ);
                strncpy(details->sh_dirty,UNK_STR,DEF_SZ);
                strncpy(details->priv_clean,UNK_STR,DEF_SZ);
                strncpy(details->priv_dirty,UNK_STR,DEF_SZ);
                
                /* Cleaning up */
                g_string_free(smaps_file,TRUE);
                g_free(contents);

                return -1;
        }

        /* OK, the file is in the buffer */

        if ((p=strstr(contents,mmregion))!=NULL){
                /* Use the find_data_for function again */      
                find_data_for("Size: %[^\n]",details->size,p);
                find_data_for("Rss: %[^\n]",details->rss,p);
                find_data_for("Shared_Clean: %[^\n]",details->sh_clean,p);
                find_data_for("Shared_Dirty: %[^\n]",details->sh_dirty,p);
                find_data_for("Private_Clean: %[^\n]",details->priv_clean,p);
                find_data_for("Private_Dirty: %[^\n]",details->priv_dirty,p);
        }

        /* Clean up ... */

        g_string_free(smaps_file,TRUE);

        return 0;
}

int get_process_info	(	const int	pid,
		struct procinfo *	pi,
		struct dirent ***	file_list,
		int *	numfiles
	)

Gets process information.

Get wide process information by calling auxiliary functions

Parameters:

	pid	The PID of the process
	pi	procinfo structure pointer
	file_list	dirent structure triple pointer
	numfiles	number of opened files by the process (output parameter)

Returns:

0 on success, -1 otherwise

Definition at line 369 of file procinfo.c.

References lkmonitor_itoa().

Referenced by update_process_window().

{
        g_assert(pid>0 && pi!=NULL);

  GString *path=g_string_new("/proc/");

  g_string_append(path,(gchar *)lkmonitor_itoa(pid));

  /* Get cmdline info */
  if(get_cmdline_info(path->str,pi)!=0)
        g_warning("Can't get cmdline info.");

  /* Get environment info */
  if(get_env_info(path->str,pi)!=0)
        g_warning("Can't get environment info for process");
 
  /* Get maps info */
  if(get_maps_info(path->str,pi)!=0)
        g_warning("Can't get memory maps info.");

  /* Get files info */
  if(get_files_info(path->str,pi,file_list,numfiles)!=0)
        g_warning("Can't get file descriptors info.");

        /* Get VM info and other status file information */
        if(get_vm_info(path->str,pi)!=0)
                g_warning("Can't get VM info.");

  /* Cleaning up... */
  g_string_free(path,TRUE);
  
  return 0;
}

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