memtest.c

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#include "postgres.h"

#include "funcapi.h"
#include "utils/builtins.h"

PG_MODULE_MAGIC;

extern Datum pgmemtest(PG_FUNCTION_ARGS);

PG_FUNCTION_INFO_V1(pgmemtest);


Datum
pgmemtest(PG_FUNCTION_ARGS)
{
	int result;
	struct timeval start_tp, stop_tp;
	int n;
	void *x;

	gettimeofday(&start_tp, NULL);

	for( n = 0 ; n < 10000000; n++) {
		x = palloc(373);
		pfree(x);
	}
	
	gettimeofday(&stop_tp, NULL);

	result = (stop_tp.tv_sec - start_tp.tv_sec) * 1000000;
	result += (stop_tp.tv_usec - start_tp.tv_usec);

	PG_RETURN_INT32(result);
}