source: git/omalloc/omStats.c @ 8d1432e

spielwiese
Last change on this file since 8d1432e was 00e195, checked in by Hans Schoenemann <hannes@…>, 8 years ago
chg: memeory(0)
  • Property mode set to 100644
File size: 5.1 KB
Line 
1/*******************************************************************
2 *  File:    omStats.c
3 *  Purpose: definitions of stats related stuff
4 *  Author:  obachman (Olaf Bachmann)
5 *  Created: 11/99
6 *******************************************************************/
7#include <unistd.h>
8#include "omConfig.h"
9#include "omDefaultConfig.h"
10#include "omMalloc.h"
11#include "omalloc.h"
12
13omInfo_t om_Info = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
14
15unsigned long om_SbrkInit = 0;
16
17void omInitInfo()
18{
19#ifdef HAVE_SBRK
20  om_SbrkInit = (unsigned long) sbrk(0);
21#endif
22}
23
24void omUpdateInfo()
25{
26#ifdef OM_MALLOC_UPDATE_INFO
27  OM_MALLOC_UPDATE_INFO;
28#endif
29
30  /* this can happen, since sizes are added as requested, and
31     subtracted as the real size of the memory */
32  if (om_Info.CurrentBytesFromMalloc < 0)
33    om_Info.CurrentBytesFromMalloc = 0;
34
35  om_Info.UsedBytesFromValloc = omGetUsedBinBytes();
36  om_Info.AvailBytesFromValloc = om_Info.CurrentBytesFromValloc - om_Info.UsedBytesFromValloc;
37
38#ifdef OM_MALLOC_USED_BYTES
39  om_Info.UsedBytesMalloc = OM_MALLOC_USED_BYTES;
40#else
41  om_Info.UsedBytesMalloc = om_Info.CurrentBytesFromMalloc
42                            -om_Info.InternalUsedBytesMalloc;
43#endif
44#ifdef OM_MALLOC_AVAIL_BYTES
45  om_Info.AvailBytesMalloc = OM_MALLOC_AVAIL_BYTES;
46#endif
47
48  om_Info.UsedBytes = om_Info.UsedBytesMalloc + om_Info.UsedBytesFromValloc;
49  om_Info.AvailBytes = om_Info.AvailBytesMalloc + om_Info.AvailBytesFromValloc;
50
51#ifdef OM_HAVE_VALLOC_MMAP
52  om_Info.CurrentBytesMmap = om_Info.CurrentBytesFromValloc;
53  om_Info.MaxBytesMmap = om_Info.MaxBytesFromValloc;
54#endif
55#ifdef OM_MALLOC_CURRENT_BYTES_MMAP
56  om_Info.CurrentBytesMmap += OM_MALLOC_CURRENT_BYTES_MMAP;
57#endif
58#ifdef OM_MALLOC_MAX_BYTES_MMAP
59  om_Info.MaxBytesMmap += OM_MALLOC_MAX_BYTES_MMAP;
60#endif
61
62#ifndef OM_MALLOC_CURRENT_BYTES_SBRK
63#ifdef HAVE_SBRK
64  if (om_SbrkInit)
65  {
66    om_Info.CurrentBytesSbrk = (unsigned long) sbrk(0) - om_SbrkInit;
67    if (om_Info.CurrentBytesSbrk > om_Info.MaxBytesSbrk)
68      om_Info.MaxBytesSbrk = om_Info.CurrentBytesSbrk;
69  }
70  else
71  {
72    om_SbrkInit = (unsigned long) sbrk(0);
73  }
74#endif
75#else
76  om_Info.CurrentBytesSbrk = OM_MALLOC_CURRENT_BYTES_SBRK;
77#ifdef OM_MALLOC_MAX_BYTES_SBRK
78  om_Info.MaxBytesSbrk = OM_MALLOC_MAX_BYTES_SBRK;
79#else
80    if (om_Info.CurrentBytesSbrk > om_Info.MaxBytesSbrk)
81      om_Info.MaxBytesSbrk = om_Info.CurrentBytesSbrk;
82#endif
83#endif
84
85#ifdef OM_MALLOC_CURRENT_BYTES_SYSTEM
86  om_Info.CurrentBytesSystem = OM_MALLOC_CURRENT_BYTES_SYSTEM;
87#else
88  om_Info.CurrentBytesSystem =
89    (om_Info.CurrentBytesSbrk > om_Info.UsedBytesMalloc ?
90     om_Info.CurrentBytesSbrk : om_Info.UsedBytesMalloc);
91#endif
92#ifdef OM_HAVE_VALLOC_MMAP
93  om_Info.CurrentBytesSystem += om_Info.CurrentBytesFromValloc;
94#endif
95
96#if ! (defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM))
97#ifdef OM_MALLOC_MAX_BYTES_SYSTEM
98  om_Info.MaxBytesSystem = OM_MALLOC_MAX_BYTES_SYSTEM;
99#else
100  om_Info.MaxBytesSystem =
101    (om_Info.MaxBytesSbrk + om_Info.MaxBytesMmap >
102     om_Info.MaxBytesFromMalloc + om_Info.MaxBytesFromValloc ?
103     om_Info.MaxBytesSbrk + om_Info.MaxBytesMmap :
104     om_Info.MaxBytesFromMalloc + om_Info.MaxBytesFromValloc);
105#endif
106#endif
107}
108
109omInfo_t omGetInfo()
110{
111  omUpdateInfo();
112  return om_Info;
113}
114
115void omPrintStats(FILE* fd)
116{
117  omUpdateInfo();
118  fprintf(fd, "System %ldk:%ldk Appl %ldk/%ldk Malloc %ldk/%ldk Valloc %ldk/%ldk Pages %ld/%ld Regions %ld:%ld Internal: %ld\n",
119          om_Info.CurrentBytesSystem/1024, om_Info.MaxBytesSystem/1024,
120          om_Info.UsedBytes/1024, om_Info.AvailBytes/1024,
121          om_Info.UsedBytesMalloc/1024, om_Info.AvailBytesMalloc/1024,
122          om_Info.CurrentBytesFromValloc/1024, om_Info.AvailBytesFromValloc/1024,
123          om_Info.UsedPages, om_Info.AvailPages,
124          om_Info.CurrentRegionsAlloc, om_Info.MaxRegionsAlloc,
125          om_Info.InternalUsedBytesMalloc);
126}
127
128
129void omPrintInfo(FILE* fd)
130{
131  omUpdateInfo();
132  fprintf(fd, "                  Current:       Max:\n");
133  fprintf(fd, "BytesSystem:     %8ldk  %8ldk\n", om_Info.CurrentBytesSystem/1024, om_Info.MaxBytesSystem/1024);
134  fprintf(fd, "BytesSbrk:       %8ldk  %8ldk\n", om_Info.CurrentBytesSbrk/1024, om_Info.MaxBytesSbrk/1024);
135  fprintf(fd, "BytesMmap:       %8ldk  %8ldk\n", om_Info.CurrentBytesMmap/1024, om_Info.MaxBytesMmap/1024);
136  fprintf(fd, "BytesFromMalloc: %8ldk  %8ldk\n", om_Info.CurrentBytesFromMalloc/1024, om_Info.MaxBytesFromMalloc/1024);
137  fprintf(fd, "BytesFromValloc: %8ldk  %8ldk\n", om_Info.CurrentBytesFromValloc/1024, om_Info.MaxBytesFromValloc/1024);
138  fprintf(fd, "PagesAlloc:      %8ld   %8ld \n", om_Info.UsedPages, om_Info.MaxPages);
139  fprintf(fd, "RegionsAlloc:    %8ld   %8ld \n", om_Info.CurrentRegionsAlloc, om_Info.MaxRegionsAlloc);
140  fprintf(fd, "                     Used:     Avail:\n");
141  fprintf(fd, "BytesAppl:       %8ldk  %8ldk\n", om_Info.UsedBytes/1024, om_Info.AvailBytes/1024);
142  fprintf(fd, "BytesMalloc:     %8ldk  %8ldk\n", om_Info.UsedBytesMalloc/1024, om_Info.AvailBytesMalloc/1024);
143  fprintf(fd, "BytesValloc:     %8ldk  %8ldk\n", om_Info.UsedBytesFromValloc/1024, om_Info.AvailBytesFromValloc/1024);
144  fprintf(fd, "Pages:           %8ld   %8ld\n", om_Info.UsedPages, om_Info.AvailPages);
145}
Note: See TracBrowser for help on using the repository browser.