src/utils/residentMem.c

#include <config.h> 
#include <string.h> 
#include <stdio.h>
#include <stdlib.h>
#ifdef __sgi
#include <unistd.h>
#endif

/* 
 * returns an estimate of the resident memory size in kB 
 */
RealType residentMem () {

  FILE* procresults;
  char buf[150];
  char* foo;
  long int myRSS, totRSS;
  char pscommand[150];
  char* psPath;

  STR_DEFINE(psPath, PSCOMMAND );
 
  
  strncpy(pscommand, psPath, strlen(psPath)+1);

#ifdef PSTYPE_IS_BSD
  strcat(pscommand, " ax -o rss");
#else
#ifdef PSTYPE_IS_POSIX
  strcat(pscommand, " -ef -o rss");
#else 
  printf("Unknown ps syntax!\n");
#endif
#endif

  printf("doing %s\n", pscommand);

  procresults = popen(pscommand, "r");

  totRSS = 0;
  while (!feof(procresults)) {
    fgets( buf, 150, procresults);
    if (!strcmp(buf, " RSS")) continue;
        
    foo = strtok(buf, " ,;\t");
    myRSS = atoi(foo);
    totRSS += myRSS;
  } 
  pclose(procresults);

#ifdef __sgi
  
  
  totRSS *= getpagesize() / 1024;
#endif

  
  totRSS *= 1024;
  return(totRSS);

}
Revision:	2759
Committed:	Wed May 17 21:51:42 2006 UTC (18 years, 1 month ago) by tim
Content type:	text/plain
File size:	1010 byte(s)
Log Message:	Adding single precision capabilities to c++ side
#	User	Rev	Content
1	gezelter	2024	#include <config.h>
2			#include <string.h>
3			#include <stdio.h>
4	gezelter	2029	#include <stdlib.h>
5			#ifdef __sgi
6			#include <unistd.h>
7			#endif
8	gezelter	2024
9	gezelter	2029	/*
10			* returns an estimate of the resident memory size in kB
11			*/
12	tim	2759	RealType residentMem () {
13	gezelter	2024
14			FILE* procresults;
15			char buf[150];
16			char* foo;
17			long int myRSS, totRSS;
18	gezelter	2026	char pscommand[150];
19	gezelter	2027	char* psPath;
20	gezelter	2024
21	gezelter	2027	STR_DEFINE(psPath, PSCOMMAND );
22	gezelter	2028
23	tim	2263
24	gezelter	2028	strncpy(pscommand, psPath, strlen(psPath)+1);
25	gezelter	2024
26	gezelter	2029	#ifdef PSTYPE_IS_BSD
27	gezelter	2024	strcat(pscommand, " ax -o rss");
28			#else
29	gezelter	2029	#ifdef PSTYPE_IS_POSIX
30	gezelter	2024	strcat(pscommand, " -ef -o rss");
31	gezelter	2029	#else
32			printf("Unknown ps syntax!\n");
33	gezelter	2024	#endif
34	gezelter	2029	#endif
35	gezelter	2024
36	gezelter	2028	printf("doing %s\n", pscommand);
37
38	gezelter	2024	procresults = popen(pscommand, "r");
39
40			totRSS = 0;
41			while (!feof(procresults)) {
42			fgets( buf, 150, procresults);
43			if (!strcmp(buf, " RSS")) continue;
44
45			foo = strtok(buf, " ,;\t");
46			myRSS = atoi(foo);
47			totRSS += myRSS;
48			}
49			pclose(procresults);
50
51	gezelter	2029	#ifdef __sgi
52	tim	2263
53
54	gezelter	2029	totRSS *= getpagesize() / 1024;
55			#endif
56
57	tim	2263
58	tim	2041	totRSS *= 1024;
59	gezelter	2024	return(totRSS);
60
61			}