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#include <zebra.h>
#include <memory.h>
/* Memory torture tests
*
* Tests below are generic but comments are focused on interaction with
* Paul's proposed memory 'quick' cache, which may never be included in
* CVS
*/
struct thread_master *master;
#if 0 /* set to 1 to use system alloc directly */
#undef XMALLOC
#undef XCALLOC
#undef XREALLOC
#undef XFREE
#define XMALLOC(T,S) malloc((S))
#define XCALLOC(T,S) calloc(1, (S))
#define XREALLOC(T,P,S) realloc((P),(S))
#define XFREE(T,P) free((P))
#endif
#define TIMES 10
int
main(int argc, char **argv)
{
void *a[10];
int i;
printf ("malloc x, malloc x, free, malloc x, free free\n\n");
/* simple case, test cache */
for (i = 0; i < TIMES; i++)
{
a[0] = XMALLOC (MTYPE_VTY, 1024);
memset (a[0], 1, 1024);
a[1] = XMALLOC (MTYPE_VTY, 1024);
memset (a[1], 1, 1024);
XFREE(MTYPE_VTY, a[0]); /* should go to cache */
a[0] = XMALLOC (MTYPE_VTY, 1024); /* should be satisfied from cache */
XFREE(MTYPE_VTY, a[0]);
XFREE(MTYPE_VTY, a[1]);
}
printf ("malloc x, malloc y, free x, malloc y, free free\n\n");
/* cache should go invalid, valid, invalid, etc.. */
for (i = 0; i < TIMES; i++)
{
a[0] = XMALLOC (MTYPE_VTY, 512);
memset (a[0], 1, 512);
a[1] = XMALLOC (MTYPE_VTY, 1024); /* invalidate cache */
memset (a[1], 1, 1024);
XFREE(MTYPE_VTY, a[0]);
a[0] = XMALLOC (MTYPE_VTY, 1024);
XFREE(MTYPE_VTY, a[0]);
XFREE(MTYPE_VTY, a[1]);
/* cache should become valid again on next request */
}
printf ("calloc\n\n");
/* test calloc */
for (i = 0; i < TIMES; i++)
{
a[0] = XCALLOC (MTYPE_VTY, 1024);
memset (a[0], 1, 1024);
a[1] = XCALLOC (MTYPE_VTY, 512); /* invalidate cache */
memset (a[1], 1, 512);
XFREE(MTYPE_VTY, a[1]);
XFREE(MTYPE_VTY, a[0]);
/* alloc == 0, cache can become valid again on next request */
}
printf ("calloc and realloc\n\n");
/* check calloc + realloc */
for (i = 0; i < TIMES; i++)
{
printf ("calloc a0 1024\n");
a[0] = XCALLOC (MTYPE_VTY, 1024);
memset (a[0], 1, 1024/2);
printf ("calloc 1 1024\n");
a[1] = XCALLOC (MTYPE_VTY, 1024);
memset (a[1], 1, 1024/2);
printf ("realloc 0 1024\n");
a[3] = XREALLOC (MTYPE_VTY, a[0], 2048); /* invalidate cache */
if (a[3] != NULL)
a[0] = a[3];
memset (a[0], 1, 1024);
printf ("calloc 2 512\n");
a[2] = XCALLOC (MTYPE_VTY, 512);
memset (a[2], 1, 512);
printf ("free 1 0 2\n");
XFREE(MTYPE_VTY, a[1]);
XFREE(MTYPE_VTY, a[0]);
XFREE(MTYPE_VTY, a[2]);
/* alloc == 0, cache valid next request */
}
return 0;
}
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