#ifdef MALLOC_STATS
#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
#include "mstats.h"
-struct _malstats _mstats;
+extern int malloc_free_blocks __P((int));
+
+extern struct _malstats _mstats;
struct bucket_stats
malloc_bucket_stats (size)
if (size < 0 || size >= NBUCKETS)
{
v.blocksize = 0;
- v.nused = v.nmal = v.nmorecore = v.nsplit = 0;
+ v.nused = v.nmal = v.nmorecore = v.nlesscore = v.nsplit = 0;
return v;
}
v.nused = _mstats.nmalloc[size];
v.nmal = _mstats.tmalloc[size];
v.nmorecore = _mstats.nmorecore[size];
+ v.nlesscore = _mstats.nlesscore[size];
v.nsplit = _mstats.nsplit[size];
+ v.ncoalesce = _mstats.ncoalesce[size];
v.nfree = malloc_free_blocks (size); /* call back to malloc.c */
unsigned long totused, totfree;
struct bucket_stats v;
- fprintf (fp, "Memory allocation statistics: %s\n\tsize\tfree\tin use\ttotal\tmorecore\tsplit\n", s ? s : "");
+ fprintf (fp, "Memory allocation statistics: %s\n size\tfree\tin use\ttotal\tmorecore lesscore split\tcoalesce\n", s ? s : "");
for (i = totused = totfree = 0; i < NBUCKETS; i++)
{
v = malloc_bucket_stats (i);
- fprintf (fp, "%12lu\t%4d\t%6d\t%5d\t%8d\t%5d\n", (unsigned long)v.blocksize, v.nfree, v.nused, v.nmal, v.nmorecore, v.nsplit);
+ if (v.nmal > 0)
+ fprintf (fp, "%8lu\t%4d\t%6d\t%5d\t%8d\t%d %5d %8d\n", (unsigned long)v.blocksize, v.nfree, v.nused, v.nmal, v.nmorecore, v.nlesscore, v.nsplit, v.ncoalesce);
totfree += v.nfree * v.blocksize;
totused += v.nused * v.blocksize;
}
fprintf (fp, "\nTotal bytes in use: %lu, total bytes free: %lu\n",
totused, totfree);
+ fprintf (fp, "\nTotal bytes requested by application: %lu\n", _mstats.bytesreq);
fprintf (fp, "Total mallocs: %d, total frees: %d, total reallocs: %d (%d copies)\n",
_mstats.nmal, _mstats.nfre, _mstats.nrealloc, _mstats.nrcopy);
fprintf (fp, "Total sbrks: %d, total bytes via sbrk: %d\n",
}
#define TRACEROOT "/var/tmp/maltrace/trace."
-extern char *inttostr ();
+static char mallbuf[1024];
void
-trace_malloc_stats (s)
- char *s;
+trace_malloc_stats (s, fn)
+ char *s, *fn;
{
- char ibuf[32], *ip;
- char fname[64];
- long p;
+ char defname[sizeof (TRACEROOT) + 64];
+ char fname[1024];
+ long l;
FILE *fp;
- p = getpid();
- ip = inttostr(p, ibuf, sizeof(ibuf));
- strcpy (fname, TRACEROOT);
- strcat (fname, ip);
- fp = fopen(fname, "w");
+ l = (long)getpid ();
+ if (fn == 0)
+ {
+ sprintf (defname, "%s%ld", TRACEROOT, l);
+ fp = fopen(defname, "w");
+ }
+ else
+ {
+ char *p, *q, *r;
+ char pidbuf[32];
+ int sp;
+
+ sprintf (pidbuf, "%ld", l);
+ if ((strlen (pidbuf) + strlen (fn) + 2) >= sizeof (fname))
+ return;
+ for (sp = 0, p = fname, q = fn; *q; )
+ {
+ if (sp == 0 && *q == '%' && q[1] == 'p')
+ {
+ sp = 1;
+ for (r = pidbuf; *r; )
+ *p++ = *r++;
+ q += 2;
+ }
+ else
+ *p++ = *q++;
+ }
+ *p = '\0';
+ fp = fopen (fname, "w");
+ }
+
if (fp)
{
+ setvbuf (fp, mallbuf, _IOFBF, sizeof (mallbuf));
_print_malloc_stats (s, fp);
fflush(fp);
fclose(fp);