1 /***************************************************************************
2 *
3 * $Id: StMem.cxx,v 1.5 2012/12/12 23:50:40 fisyak Exp $
4 *
5 ***************************************************************************
6 *
7 * Description:
8 *
9 ***************************************************************************
10 **************************************************************************/
11 #include <stdio.h>
12 #include <stdlib.h>
13 #ifndef __APPLE__
14 #include <malloc.h>
15 #endif
16 #include <unistd.h>
17 #include "StMem.h"
18 double StMem::fUsed=0;
19 double StMem::Used()
20 {
21 #ifndef __APPLE__
22 struct mallinfo info;
23 info = mallinfo();
24 return double(info.uordblks + info.usmblks)/1000000;
25 #else
26 return 0;
27 #endif
28 }
29
30 double StMem::ESize()
31 {
32 static char *ps = 0;
33 double res=0;
34 if (!ps) {
35 int pid = ::getpid();
36 ps = (char*)malloc(20);
37 sprintf(ps,"ps -l -p %d",pid);
38 }
39 FILE *pipe = ::popen(ps,"r");
40 if (!pipe) return 0.;
41
42 char psBuf[130];
43 psBuf[0] = ' ';
44 while( !feof( pipe ) ) {
45 psBuf[1]=0;
46 if(!fgets( psBuf+1, 128, pipe)) continue;
47 // printf("%s\n",psBuf);
48 int ifild=0;char *c;
49
50 for (c=psBuf; c[0]; c++) {
51 if (c[0]==' ' && c[1]!=' ') ifild++;
52 if (ifild == 10) break;
53 }
54 res = (double)atoi(c+1);
55 if (res) break;
56 }
57 ::pclose(pipe);
58 res *=::getpagesize()/(1024.*1024.);
59
60 return res;
61 }
62
63 void StMem::Print(const char *tit)
64 {
65 double used = Used();
66 double exec = ESize();
67
68 if (tit) printf("\nStMem::%s",tit);
69 printf("\t total =%10.6f heap =%10.6f (%+10.6f)\n",exec, used,used-fUsed);
70 fUsed = used;
71 }
72