Function main

src/utilities/analyse.cpp:86–201

void main( int argc, char **argv)
{
/**************************************
 *
 *	m a i n
 *
 **************************************
 *
 * Functional description
 *	Replay all I/O to compute overhead of I/O system.
 *
 **************************************/

	bool detail = true;

	char** end;
	for (end = argv + argc, ++argv; argv < end; argv++)
	{
		const char* s = *argv;
		if (*s++ == '-')
		{
			if (UPPER(*s) == 'S')
				detail = false;
		}
	}

	SLONG reads = 0, writes = 0;
	trace = os_utils::fopen("trace.log", "r");
	page_size = 1024;
	SLONG sequence = 0;

	struct tms before;
	time_t elapsed = times(&before);

	SCHAR string[128] = "";

	const pag* page;
	SSHORT event;
	while ((event = getc(trace)) != trace_close && event != EOF)
	{
		switch (event)
		{
		case trace_open:
			{
				const SLONG length = getc(trace);
				SLONG n = length;
				SCHAR* p = string;
				while (--n >= 0)
					*p++ = getc(trace);
				*p = 0;
				db_open(string, length);
			}
			break;

		case trace_page_size:
			page_size = get_long();
			if (global_buffer)
				free(global_buffer);